RAM Memory Speeds & Compatibility
Adding more memory to your PC is one of the best and easiest ways to improve system performance. But before clicking that “buy” button on this or any website, it’s important to make sure the memory you are buying is compatible with your PC.
DDR4 memory is the latest generation of memory for computing applications and offers many benefits over previous generations of memory including lower latencies, higher speeds, and more. One thing to keep in mind is that memory needs to be the same type — memory modules are not forward or backward compatible in terms of generation types so DDR3 will not work in DDR2 or DDR4.
Memory is designed to be backward compatible within its generation, so generally speaking, you can safely add faster memory to a computer that was designed to run slower memory. However, your system will operate at the speed of the slowest memory module installed.
We recommend that you use either the Crucial Memory Advisor™ or Crucial System Scanner to find the right memory for your computer. Rather than give memory modules catchy names, the industry refers to modules by their specifications. But if you don’t know a lot about memory, the numbers can be confusing. Here’s a short summary of the most popular types of memory and what the numbers refer to.
Generations of memory explained
For double-data-rate memory, the higher the number, the faster the memory and higher bandwidth. Occasionally DDR memory is referred to by a «friendly name» like «DDR3-1066» or «DDR4-4000.» When written this way, the number after «DDR» represents the generation. The number after the generation refers to the component’s data transfer rate per second (/s). When referenced by the industry name, the numbers that follow «PC» and the generation refer to the total bandwidth of the module.
DDR4 speeds
Friendly name | Industry name | Peak Transfer Rate | Data transfers/second (in millions) |
---|---|---|---|
DDR4-2400 | PC4-19200 | 19200 MB/s | 2400 |
DDR4-2666 | PC4-21300 | 21300 MB/s | 2666 |
DDR4-2933 | PC4-23400 | 23400 MB/s | 2933 |
DDR4-3000 | PC4-24000 | 24000 MB/s | 3000 |
DDR4-3200 | PC4-25600 | 25600 MB/s | 3200 |
DDR4-3600 | PC4-28800 | 28800 MB/s | 3600 |
DDR4-4000 | PC4-32000 | 32000 MB/s | 4000 |
DDR4-4400 | PC4-35200 | 35200 MB/s | 4400 |
DDR4 speeds start at 2400 MT/s and offer faster speeds and responsiveness than all other generations of memory. Optimized for gamers, professional designers, and enthusiasts who need to maximize data rates, DDR4 is for those who want the most from their system. Gaming modules typically have faster speeds, lower latencies, and unique design and heat spreaders.
DDR3 speeds
Friendly name | Industry name | Peak Transfer Rate | Data transfers/second (in millions) |
---|---|---|---|
DDR3-800 | PC3-6400 | 6400 MB/s | 800 |
DDR3-1066 | PC3-8500 | 8533 MB/s | 1066 |
DDR3-1333 | PC3-10600 | 10667 MB/s | 1333 |
DDR3-1600 | PC3-12800 | 12800 MB/s | 1600 |
Since 2007, DDR3 has been offering higher performance while requiring less power than DDR2 and DDR generations.
DDR2 speeds
Friendly name | Industry name | Peak Transfer Rate | Data transfers/second (in millions) |
---|---|---|---|
DDR2-400 | PC2-3200 | 3200 MB/s | 400 |
DDR2-533 | PC2-4200 | 4266 MB/s | 533 |
DDR2-667 | PC2-5300 | 5333 MB/s | 667 |
DDR2-800 | PC2-6400 | 6400 MB/s | 800 |
DDR2-1000 | PC2-8000 | 8000 MB/s | 1000 |
DDR2 PC2-4200 (commonly referred to as DDR2-533) memory is DDR2 designed for use in systems with a 266MHz front-side bus (providing a 533MT/s data transfer rate). The «4200» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 4200MB/s, or 4.2GB/s.
DDR2 PC2-5300 (commonly referred to as DDR2-667) memory is DDR2 designed for use in systems with a 333MHz front-side bus (providing a 667MT/s data transfer rate). The «5300» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 5300MB/s, or 5.3GB/s. PC2-5300 is backward-compatible for PC2-4200.
DDR2 PC2-6400 (commonly referred to as DDR2-800) memory is DDR2 designed for use in systems with a 400MHz front-side bus (providing an 800MT/s data transfer rate). The «6400» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 6400MB/s, or 6.4GB/s. PC2-6400 is backward-compatible for PC2-4200 and PC2-5300.
DDR2 PC2-8000 (commonly referred to as DDR2-1000) memory is DDR2 providing a 1,000MT/s data transfer rate). The «8000» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 8000MB/s, or 8GB/s. PC2-8000 is backward-compatible for PC2-4200, PC2-5300, and PC2-6400.
DDR speeds
Friendly name | Industry name | Peak Transfer Rate | Data transfers/second (in millions) |
---|---|---|---|
DDR-200 | PC-1600 | 1600 MB/s | 200 |
DDR-266 | PC-2100 | 2100 MB/s | 266 |
DDR-300 | PC-2400 | 2400 MB/s | 300 |
DDR-333 | PC-2700 | 2700 MB/s | 333 |
DDR-400 | PC-3200 | 3200 MB/s | 400 |
PC1600 memory — which Crucial no longer carries — is DDR designed for use in systems with a 100MHz front-side bus, (providing 200 mega transfers per second [MT/s] data transfer rate). The «1600» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 1600MB/s, or 1.6GB/s. PC1600 has been replaced by PC2700, which is backward-compatible.
PC2100 memory — which Crucial no longer carries — is DDR designed for use in systems with a 133MHz front-side bus (providing a 266 MT/s data transfer rate). The «2100» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 2100MB/s, or 2.1GB/s. PC2100 is used primarily in AMD® Athlon® systems, Pentium® III systems, and Pentium IV systems. PC2100 has been replaced by PC2700, which is backward-compatible.
PC2700 memory — the slowest DDR memory speed that Crucial now carries — is DDR designed for use in systems with a 166MHz front-side bus (providing a 333 MT/s data transfer rate). The «2700» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 2700MB/s, or 2.7GB/s. PC2700 is backward-compatible for PC1600 and PC2100.
PC3200 (commonly referred to as DDR400) memory is DDR designed for use in systems with a 200MHz front-side bus (providing a 400 MT/s data transfer rate). The «3200» refers to the module’s bandwidth (the maximum amount of data it can transfer each second), which is 3200MB/s, or 3.2GB/s. PC3200 is backward-compatible for PC1600, PC2100, and PC2700.
In SDRAM modules, the numbers that come after the «PC» refer to the speed of the system’s front-side bus.
PC100 memory — which Crucial no longer carries — is SDRAM designed for use in systems with a 100MHz front-side bus. It is used in many Pentium II, Pentium III, AMD K6-III, AMD Athlon, AMD Duron, and Power Mac G4 systems. PC100 has been replaced by PC133, which is backward-compatible.
125MHz memory is SDRAM designed for use in systems with a 125MHz front-side bus. 125MHz has been replaced by PC133, which is backward-compatible.
PC133 memory is SDRAM designed for use in systems with a 133MHz front-side bus. It is used in many Pentium III B, AMD Athlon, and Power Mac G4 systems. PC133 is backward-compatible for PC100 and 125MHz.
PC66 memory is SDRAM designed for use in systems with a 66MHz front-side bus. It is used in the Pentium 133MHz systems and Power Macintosh G3 systems. FPM and EDO speeds are written in nanoseconds (ns), which indicates their access time; the lower the number, the faster the memory (it takes fewer nanoseconds to process data).
About adding faster memory …
It may seem confusing, but faster memory will not necessarily make your system faster. You can’t speed up your computer by adding faster memory if any of the other components in your computer (your processor or other memory modules) operate at a slower speed.
Keep in mind, that the right memory for your computer is the kind of memory it was designed to take. Check your system manual or look up your system in the Crucial Advisor tool™ or System Scanner to find the memory guaranteed to be 100 percent compatible or your money back!
Super Talent Technology — DDR, DDR2, DDR3 Value Memory and Upgrade Memory
Home > Products > Desktop Memory
Super Talent desktop memory is fully compliant with industry standards to ensure compatibility with
motherboards and OEM systems. All new products, new component suppliers, and technology
changes are subjected to stringent hardware and software testing in our Compatibility Labs
prior to production.
Features
- DDR, DDR2, DDR3 offerings
- Available with or without ECC
- Optional heat spreaders provide thermal dissipation
Unbuffered DDR3Unbuffered DDR2Unbuffered DDRRelated Resources
Memory Search Filter:
Density:
128 MB 256 MB 512 MB 1 GB 2 GB 3 GB 4 GB 6 GB 8 GB 12 GB
Speed:
266 Mhz 333 Mhz 400 Mhz 433 Mhz 500 Mhz 533 Mhz 667 Mhz 800 Mhz 1066 Mhz 1333 Mhz 1600 Mhz 1866 Mhz
Data Rate:
PC-2100 PC-2700 PC-3200 PC-3500 PC-4000 PC2-3200 PC2-4300 PC2-5300 PC2-6400 PC3-8500 PC3-10600 PC3-12800 PC3-14900
Part Number | Density | Speed | Data Rate | Module Config | Chip Config | CL | ECC | Reg | Heat spreader |
Voltage | Package Config |
---|---|---|---|---|---|---|---|---|---|---|---|
W1066UA1GS |
1 GB | 1066 Mhz | PC3-8500 | 128M x 64 | 128M x 8 | 7 | N | N | N | 1. 5V | |
W1066UA1G7 |
1 GB | 1066 Mhz | PC3-8500 | 128M x 64 | 128M x 8 | 7 | N | N | Y | 1.5V | |
W1066UA1GM |
1 GB | 1066 Mhz | PC3-8500 | 128M x 64 | 128M x 8 | 7 | N | N | N | 1. 5V | |
W1066UB2GE |
2 GB | 1066 Mhz | PC3-8500 | 256M x 64 | 128M x 8 | 7 | N | N | N | 1.5V | |
W1066UX2GS |
2 GB | 1066 Mhz | PC3-8500 | 128M x 64 | 128M x 8 | 7 | N | N | N | 1. 5V | Dual Channel Kit of 2 |
W1066UB2GM |
2 GB | 1066 Mhz | PC3-8500 | 256M x 64 | 128M x 8 | 7 | N | N | N | 1.5V | |
W1066UX2G7 |
2 GB | 1066 Mhz | PC3-8500 | 128M x 64 | 128M x 8 | 7 | N | N | Y | 1. 5V | Dual Channel Kit of 2 |
W1066UX4G7 |
4 GB | 1066 Mhz | PC3-8500 | 256M x 64 | 128M x 8 | 7 | N | N | Y | 1.5V | Dual Channel Kit of 2 |
W1066UA4GV |
4 GB | 1066 Mhz | PC3-8500 | 512M x 64 | 512M x 8 | 7 | N | N | N | 1. 5V | |
W1066UB4Gx |
4 GB | 1066 Mhz | PC3-8500 | 512M x 64 | 256M x 8 | 7 | N | N | N | 1.5V | |
W1066UB8Gx |
8 GB | 1066 Mhz | PC3-8500 | 1G x 64 | 512M x8 | 7 | N | N | N | 1. 5V | |
W1333UA1G9 |
1 GB | 1333 Mhz | PC3-10600 | 128M x64 | 128M x 8 | 9 | N | N | N | 1.5V | |
W1333UA1GS |
1 GB | 1333 Mhz | PC3-10600 | 128M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | |
W1333UA1GM |
1 GB | 1333 Mhz | PC3-10600 | 128M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | |
W1333UA1GV |
1 GB | 1333 Mhz | PC3-10600 | 128M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | |
W1333LB2Gx |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 8 | N | N | N | 1.5V | VLP |
W1333UB2GV |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | |
W1333UB2GE |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | |
W13UB2GLx |
2 GB | 1333 Mhz | PC3-10600 | 256M x 72 | 128M x 8 | 9 | N | N | N | 1. 35V | |
WA133UB2G9 |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | Y | 1.5V | |
W1333UA2GV |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 256M x 8 | 9 | N | N | N | 1. 5V | |
W1333UB2GM |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | |
W1333UB2G9 |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | |
W1333UX2GV | 2 GB | 1333 Mhz | PC3-10600 | 128M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | Dual Channel Kit of 2 |
W1333UB2GS |
2 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | |
W1333UX3GV | 3 GB | 1333 Mhz | PC3-10600 | 128M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | Triple Channel kit of 3 |
W1333UX4GE |
4 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | Dual Channel Kit of 2 |
W1333UB4Gx |
4 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1. 5V | |
WA133UB4G9 |
4 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | Y | 1.5V | |
W1333UX4GV | 4 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | Dual Channel Kit of 2 |
W1333UX4GM |
4 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | Dual Channel Kit of 2 |
W1333UA4GX | 4 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 512M x 8 | 9 | N | N | N | 1.5V | |
W1333UX4GS |
4 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | Dual Channel Kit of 2 |
W1333LB4Gx |
4 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1. 5V | VLP |
WA133UX4G9 | 4 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | Y | 1.5V | Dual Channel Kit of 2 |
W1333UB4GV |
4 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | |
WA133UX6G9 | 6 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | Y | 1. 5V | Triple Channel Kit of 3 |
W1333UX6G9 | 6 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | Triple Channel Kit of 3 |
W1333UX6G8 | 6 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 8 | N | N | N | 1.5V | Triple Channel Kit of 3 |
W1333UX6GV | 6 GB | 1333 Mhz | PC3-10600 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | Triple Channel Kit of 3 |
W1333UX8GV | 8 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | Dual Channel Kit of 2 |
WA133UX8G9 | 8 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | Y | 1.5V | Dual Channel Kit of 2 |
W1333UB8Gx |
8 GB | 1333 Mhz | PC3-10600 | 1G x 64 | 512M x8 | 9 | N | N | N | 1. 5V | |
W133UX12GV | 12 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | Triple Channel Kit of 3 |
WA13UX12G9 | 12 GB | 1333 Mhz | PC3-10600 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | Triple Channel Kit of 3 |
W1600UA2Gx |
2 GB | 1600 Mhz | PC3-12800 | 256M x 64 | 256M x 8 | 11 | N | N | N | 1. 5V | |
W16UB2GLx |
2 GB | 1600 Mhz | PC3-12800 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.35V | |
W1600UB2Gx |
2 GB | 1600 Mhz | PC3-12800 | 256M x 64 | 128M x 8 | 11 | N | N | N | 1. 5V | |
W1600UB2GV |
2 GB | 1600 Mhz | PC3-12800 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1.5V | |
W160UA4GSL |
4 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 512M x 8 | 11 | N | N | N | 1. 35V | |
W1600UB4GV |
4 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | |
W160UA4G11 | 4 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 512M x 8 | 11 | N | N | N | 1.5V | |
W1600UX4GV | 4 GB | 1600 Mhz | PC3-12800 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | Dual Channel Kit of 2 |
W1600UA4GX | 4 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 512M x 8 | 11 | N | N | N | 1.5V | |
W1600UB4Gx |
4 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 256M x 8 | 11 | N | N | N | 1.5V | |
W1600UX6GV | 6 GB | 1600 Mhz | PC3-12800 | 256M x 64 | 128M x 8 | 9 | N | N | N | 1. 5V | Triple Channel Kit of 3 |
W1600UB8Gx |
8 GB | 1600 Mhz | PC3-12800 | 1G x 64 | 512M x8 | 11 | N | N | N | 1.5V | |
W1600UB8GV |
8 GB | 1600 Mhz | PC3-12800 | 1G x 64 | 512M x 8 | 11 | N | N | N | 1. 5V | |
W1600UX8GV | 8 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | Dual Channel Kit of 2 |
W160UX12GV | 12 GB | 1600 Mhz | PC3-12800 | 512M x 64 | 256M x 8 | 9 | N | N | N | 1.5V | Triple Channel Kit of 3 |
W1866UA2Gx |
2 GB | 1866 Mhz | PC3-14900 | 256M x 64 | 256M x 8 | 13 | N | N | N | 1. 5V | |
W1866UA4GxL |
4 GB | 1866 Mhz | PC3-14900 | 512M x 64 | 512M x 8 | 13 | N | N | N | 1.35V | |
W1866UB4Gx |
4 GB | 1866 Mhz | PC3-14900 | 512M x 64 | 256M x 8 | 13 | N | N | N | 1. 5V | |
W1866UA4Gx |
4 GB | 1866 Mhz | PC3-14900 | 512M x 64 | 512M x 8 | 13 | N | N | N | 1.5V | |
W1866UB8Gx |
8 GB | 1866 Mhz | PC3-14900 | 1G x 64 | 512M x 8 | 13 | N | N | N | 1. 5V | |
W186UB8GxL |
8 GB | 1866 Mhz | PC3-14900 | 1G x 64 | 512M x 8 | 13 | N | N | N | 1.35V |
Note: Last Character X of the Part Number stands for the DRAM vendor. See datasheets for additional details and valid ordering part numbers.
Copyright© 2022 Super Talent Technology Corporation. 2077 North Capitol Avenue, San Jose, CA 95132 U.S.A. All Rights Reserved
DDR3 | DRAM | Specs & Features
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Levels of cytokines in postmenopausal women depending on individual polymorphisms of the VDR, COL1A1, LRP5 genes | Maylyan
Introduction
Osteoporosis (OP) is a chronic systemic progressive metabolic disease of the skeleton, which is characterized by a decrease in bone mineral density and a violation of its microarchitectonics, resulting in an increased risk of fractures. The most relevant in terms of prevalence, social and economic significance is postmenopausal OP.
Currently, the main objective approach in the diagnosis of OP is the determination of bone mineral density by densitometry, which significantly depends on external and genetic factors [1]. Moreover, the contribution of the genetic component to the etiopathogenesis of the disease reaches 60-80% [2][3][4]. The performed studies have shown that mineral density indices of various parts of the skeleton in postmenopausal women are associated with certain polymorphisms of the genes of the vitamin D receptor (VDR), type 1 collagen 1-alpha chain (COL1A1), protein associated with the type 5 low-density lipoprotein receptor ( LRP5). It was found that postmenopausal OP in the region of the lumbar vertebrae L1-L4 is associated with the GG genotype of the rs1544410 polymorphism of the VDR gene [5]. Osteoporotic changes in the zone of the proximal parts of the right and left femurs, as well as the necks of the right and left femurs, develop less frequently in women with the CC genotype and more often in carriers of the CA genotype and the A allele of the rs11079 polymorphism46 of the COL1A1 gene [6]. An increased risk of developing postmenopausal OP is characteristic of women with the GT genotype and the T allele of the rs1800012 polymorphism of the COL1A1 gene, while the GG genotype of this polymorphism is combined with a low probability of developing the disease [7]. In addition, among women with OP of the lumbar vertebrae L1-L4 and the left femur, the frequency of registration of the CT genotype and the T allele of the rs3736228 polymorphism, the GA genotype and the A allele of the rs4988321 polymorphism of the LRP5 gene is increased, and among healthy women, the CC and GG genotypes of the above are more often recorded. polymorphisms [8].
Recent advances in the study of the pathogenesis of postmenopausal OP indicate a key role in the development of the disease of immune factors. Changes in the balance of cytokines in postmenopausal women caused by estrogen deficiency cause inhibition of osteoblastogenesis, an increase in the activity and number of osteoclasts, which contributes to increased bone resorption [9][10]. Given the genetic component in the etiopathogenesis of OP and the important role of cytokines in the regulation of bone metabolism, however, to date there are no studies aimed at studying the features of the cytokine status in postmenopausal women with various polymorphic variants of the VDR, COL1A1 and LRP5 genes.
Purpose of the study: to study the serum levels of pro-inflammatory and anti-inflammatory cytokines in postmenopausal osteoporosis, as well as their changes depending on the polymorphisms rs1544410 of the VDR gene, rs1107946 and rs1800012 of the COL1A1 gene, rs3736228 and rs4988321 of the LRP5 gene.
Materials and methods
The work was carried out at the Donetsk National Medical University. 180 postmenopausal women (60.0±0.77 years) were examined. The study did not select women who took hormone replacement and anti-osteoporotic therapy, glucocorticosteroid drugs. Patients with ovariectomy, endocrine and metabolic disorders, hematological diseases, neoplastic conditions, chronic kidney and liver diseases, autoimmune pathology, systemic connective tissue diseases, and chronic inflammatory diseases were also excluded.
Women underwent osteodensitometry of the lumbar vertebrae L1-L4, proximal sections and necks of the left and right femurs using dual-energy X-ray absorptiometry. Densitometers Discovery W QDR Series X-Ray Bone Densitometer (HOLOGIC Inc., USA) and Prodigy (GE Medical Systems LUNAR, USA) were used. The results were expressed as bone mineral density and T-score.
The levels of interleukins (IL) -1β, -4, -6, -8, -10, -17A, tumor necrosis factor alpha (TNF-α), interferon gamma (INF-γ), osteoprotegerin (OPG), nuclear factor receptor activator ligand kB (RANKL). The studies were carried out using enzyme immunoassay test systems manufactured by Vector-Best (Koltsovo village, Novosibirsk region, RF), eBiosciences (San Diego, CA, USA), Biomedica Medizinprodukte (GmbH & Co KG, A- 1210 Vienna, Germany).
Testing of polymorphisms 283 A>G (BsmI, rs1544410) of the VDR gene, -1997 C>A (rs1107946) and 1546 (6252) G>T (Sp1 S>s, rs1800012) of the COL1A1 gene, 3989 C>T (Ala- 1330Val, rs3736228) and 1999 G>A (Val667Met, rs4988321) of the LRP5 gene were carried out by polymerase chain reaction using the appropriate kits and a DT-96 amplifier manufactured by DNA-Technology (Moscow, RF).
Statistical processing of the obtained results was performed using the programs «MedStat» and «STATISTICA for Windows 6.0» (StatSoft, Inc.). To test the distribution of indicators for normality, we used the chi-square test (χ 2 ). Due to the fact that the distribution of most of the studied indicators differed from the normal one, nonparametric methods were used in descriptive statistics. Median (Me) and median error (m) were calculated. For pairwise comparisons of centers of independent samples, the Wilcoxon W-test was used. Differences were considered statistically significant at P<0.05.
Results
At the first stage of the statistical analysis of the obtained data, the levels of cytokines in the blood serum of women were assessed depending on the state of their skeletal system. To do this, based on the results of osteodensitometry, all examined were divided into 3 groups — healthy (n=37, T-criterion values up to -1.0 standard deviations from peak bone mass), with osteopenia (n=84, T-criterion values below -1. 0 to -2.5 standard deviations) and OD (n=59, T-test is -2.5 standard deviations and below). At the same time, the control group, groups of women with osteopenia and OP did not differ significantly in age (59.0+1.71, 60.5+1.09 and 60.0+1.44 years, respectively, P>0.05) and the duration of the postmenopausal period (respectively 10.0+1.73, 10.0+1.09 and 12.0+1.22 years, P>0.05).
It was found that patients with OP, compared with the control group, were characterized (Table 1) by higher serum levels of IL-1-β (P<0.001), IL-8 (P=0.048), IL-17A (P=0.002), TNF-α (P=0.031), RANKL (P=0.032) and reduced levels of IL-4 (P=0.027), IL-10 (P<0.001). Similar differences were also found between groups of women with OP and osteopenia in terms of levels of IL-1-β (P=0.017), IL-8 (P=0.031), IL-10 (P=0.018), IL-17A (P <0.001), TNF-α (P=0.002), RANKL (P=0.023). It should be noted that patients with osteopenia also differed from the control group in the values of IL-1-β (increase, P=0.004) and IL-10 (decrease, P=0. 008).
In addition, there were no specific features of the three groups of women in terms of serum INF-γ and OPG (P>0.05). In addition, no differences were found between the selected groups and in the OPG / RANKL index, the values of which in healthy women and patients with OP and osteopenia were 28.0+21.1, 25.1+6.65 and 23.1+, respectively. 16.6 (P>0.05).
To study the associations of the rs1107946 polymorphism of the COL1A1 gene with cytokine levels, the examined women were divided into 2 groups. Separately, women with the CC genotype (n=126) were identified, which, in previous studies, was associated with a low risk of developing OP [6]. The second group (n=54) consisted of patients with the CA genotype (n=46) and a small number of individuals with the AA genotype (n=8). Similarly, two groups of women were distinguished according to the rs1800012 polymorphism of the COL1A1 gene, based on the fact that an increased risk of developing postmenopausal OP is associated with the GT genotype and the T allele, while the GG genotype, on the contrary, is associated with a low probability of the disease [7].
Table 1.
Cytokines serum concentrations in postmenopausal women with osteopenia and osteoporosis.
Index Indexes |
Indicator levels (Me±m, pg/ml) among women: Indexes level (Me±m, pg/ml) among women: |
R between groups P between groups |
||
---|---|---|---|---|
healthy healthy (group 1) (group 1), n=37 |
with osteopenia with osteopenia (group 2) (group 2), n=84 |
with osteoporosis with osteoporosis (group 3) (group 3), n=59 |
||
IL-1-β |
1.7+0.29 |
2.2+0.20 |
2.8+0.18 |
1-2: 0.004; 1-3: <0.001 2-3: 0.017 |
IL-4 |
2.2+0.40 |
2.1+0.15 |
1. 6+0.19 |
1-3: 0.027 |
IL-6 |
0.4+0.65 |
0.9+0.25 |
1.3+0.83 |
1-3: 0.052 |
IL-8 |
5.7+4.36 |
8.05+1.10 |
10.3+3.11 |
1-3: 0.048; 2-3: 0.031 |
IL-10 |
4.1+0.69 |
3.05+0.30 |
2.0+0.27 |
1-2: 0.008; 1-3: <0.001 2-3: 0.018 |
y-17A |
1.4+0.49 |
1.65+0.327 |
3.0+0.772 |
1-3: 0.002; 2-3: <0.001 |
TNF-α |
0.0+0.50 |
0.0+0.26 |
0.0+0.70 |
1-3: 0.031; 2-3: 0.002 |
INF-γ |
9. 5+1.21 |
8.8+0.63 |
9.6+0.72 |
— |
OPG |
74.7+9.85 |
73.35+6.95 |
94.2+9.73 |
— |
RANKL |
2.5+0.32 |
2.6+0.21 |
3.3+0.47 |
1-3: 0.032; 2-3: 0.023 |
Table/Table 2.
concentration of cytokines in the blood serum of postmenopausal women depending on polymorphism genotypes 283 A> g (BSMI, RS1544410) postmenopausal women depending on vitamin D receptor gene (VDR) 283 A>G (BsmI, rs1544410) polymorphism genotypes
Index Indexes |
Levels of indicators (Me±m) among women with genotypes of polymorphism 283 A>G (BsmI, rs1544410) of the VDR gene: Indexes level (Me±m) among women with VDR gene 283 A>G (BsmI, rs1544410) polymorphism genotypes: |
R between groups P between groups |
||
---|---|---|---|---|
AA, n=26 (group 1) (group 1) |
AG, n=84 (group 2) (group 2) |
GG, n=70 (group 3) (group 3) |
||
IL-1-β (pg/ml) (pg/ml) |
1. 95±0.22 |
2.0±0.14 |
2.8±0.23 |
1-3: <0.001 2-3: <0.001 |
IL-4 (pg/ml) (pg/ml) |
1.1±0.24 |
2.05±0.20 |
1.85±0.19 |
1-2: 0.004 1-3: 0.035 |
IL-8 (pg/ml) (pg/ml) |
8.65±5.23 |
6.8±1.94 |
11.8±2.21 |
2-3: 0.012 |
IL-10 (pg/ml) (pg/ml) |
3.1±0.74 |
3.3±0.35 |
2.1±0.28 |
1-3: 0.019 2-3: <0.001 |
RANKL (pg/ml) (pg/ml) |
1.9±0.54 |
2.4±0.21 |
3.3±0.36 |
1-3: <0.001 2-3: <0.001 |
OPG/RANKL |
33. 2±16.13 |
29.6±15.55 |
17.4±3.07 |
1-3: 0.009 2-3: <0.001 |
Comparative analysis of women with different variants of the rs1107946 polymorphism of the COL1A1 gene (Table 3) showed that individuals with CA or AA genotypes, compared with carriers of the CC genotype, had higher levels of IL-4 (P = 0.006), IL- 6 (P=0.023), IL-8 (P=0.023), IL-10 (P=0.012), RANKL (P=0.022). Women with GT or TT genotypes of the rs1800012 polymorphism of the COL1A1 gene were distinguished from those with the GG genotype by reduced values of IL-10 (P=0.007), OPG (P=0.013), OPG/RANKL index (P=0.042).
It should be noted that none of the above polymorphisms of the COL1A1 gene showed associations (P>0.05) with IL-1, Zh-17A, TNF-α, INF-γ. No differences were found among women depending on the polymorphisms of the LRP5 gene (Table 4) both in the concentrations of the above cytokines and a number of others (IL-4, IL-6, IL-8, OPG, RANKL). At the same time, individuals with the GA genotype of the rs4988321 polymorphism had lower IL-10 values than those with the GG genotype (P=0.003). A similar decrease in the content of IL-10 in the blood serum was determined (P=0.007) in women with CT or TT genotypes of the rs3736228 polymorphism.
Discussion
Thus, the performed studies demonstrate significant changes in the status of cytokines in postmenopausal OP, which are characterized by an increase in serum concentrations of pro-inflammatory cytokines IL-1-β, IL-8, Zh-17A, TNF-α, RANKL and a decrease in the levels of anti-inflammatory cytokines IL-4, IL-10. The results obtained are consistent with modern ideas about the role of the immune system in the development of postmenopausal OP [9][10][11]. It has now been proven that a decrease in postmenopausal estrogen levels is accompanied by increased proliferation and activation of T cells, as well as inhibition of their apoptosis. As a result, the number of activated T-lymphocytes increases and their production of pro-inflammatory cytokines increases. The result of these changes is chronic stimulation of osteoclasts, leading to increased bone resorption and the development of OP. In this regard, it is believed that immune disorders play a key role in the pathogenesis of bone loss, and OP is called a chronic immune-mediated disease [9].][ten].
Analysis of cytokine levels depending on genetic markers showed that those genotypes of VDR, COL1A1 and LRP5 gene polymorphisms, which in previous studies showed an association with an increased risk of OP [5][6][7][8], for the most part found associations with increased concentrations of pro-inflammatory cytokines and decreased anti-inflammatory cytokines. And this is natural, since the above genotypes (the GG genotype of the BsmI polymorphism of the VDR gene, etc.) are more often registered among patients with OP.
Indexes level (Me ± m) among women with different genotypes of COL1A1 gene polymorphisms:
-1997 C>A (rsl 107946)
1546 (6252) G>T (Spl S>s, rsl800012)
CC
(n=126)
CA (n=46) + AA (n=8)
P
GG
(n=130)
GT (n=47) + TT (n=3)
P
IL-4 (pg/ml) (pg/ml)
1. 7±0.14
2.4±0.25
0.006
1.9±0.16
1.8±0.21
0.699
IL-6 (pg/ml) (pg/ml)
0.75±0.36
1.4±0.69
0.023
0.9±0.40
1.1 ±0.57
0.791
IL-8 (pg/ml) (pg/ml)
7.85±1.66
10.9±2.93
0.023
7.9±1.93
10.25±1.6
0.280
IL-10 (pg/ml) (pg/ml)
2.7±0.27
3.6±0.42
0.012
3.1±0.29
2.3±0.30
0.007
OPG (pg/ml) (pg/ml)
75.4±5.83
84. 5±9.53
0.281
85.5±5.88
60.1±8.99
0.013
RANKL(nrAvui) (pg/ml)
2.7±0.21
3.1 ±0.44
0.022
2.9±0.20
2.85±0.51
0.742
OPG/RANKL
24.4±10.9
26.0±7.59
0.419
28.0±10.2
9
Indicator levels (Me±m) among women with different genotypes of LRP5 gene polymorphisms:
Indexes level (Me±t) among women with different genotypes ofLRP5gene polymorphisms:
1999 G>A (Val667Met, rs4988321)
3989 C>T (Alal330Val, rs3736228)
GG (n=157)
GA (n=23) + AA (n=0)
P
CC (n=125)
CT (n=51) + TT (n=4)
P
IL-4 (pg/ml) (pg/ml)
1. 9±0.14
1.7±0.30
0.479
1.8±0.16
2.2±0.21
0.287
IL-6 (pg/ml) (pg/ml)
0.9±0.32
1.3±1.39
0.594
0.8±0.37
1.0±0.66
0.497
IL-8 (pg/ml) (pg/ml)
8.2±1.62
10.0±3.04
0.419
8.2±1.93
8.9±1.92
0.981
IL-10 (pg/ml) (pg/ml)
3.1±0.24
1.7±0.70
0.003
3.1±0.27
2.2±0.43
0.007
OPG (pg/ml) (pg/ml)
80.3±5.54
76.2±9. 42
0.530
82.1±6.29
76.2±7.96
0.959
RANKL (pg/ml) (pg/ml)
2.8±0.22
3.1±0.40
0.689
2.8±0.25
3.0±0.34
0.589
OPG/ RANKL
25.4±9.05
21.0±7.78
0.589
27.4±10.81
23.6±8.70
0.650
At the same time, it is necessary to note the peculiarities of the cytokine status of women with some polymorphic variants of the studied genes. For example, the rs3736228 and rs4988321 polymorphisms of the LRP5 gene were associated with changes in the levels of only one cytokine (IL-10), while the rs1800012 polymorphism of the COL1A1 gene was associated with only two cytokines (IL-10 and OPG). It is important to note that significant associations of OPG serum concentrations were characteristic only with the genotypes of the rs1800012 polymorphism of the COL1A1 gene. At the same time, there were no changes in OPG levels depending on other studied polymorphisms, as well as on the state of the skeletal system of women.
To date, possible mechanisms that could explain the association of genotypes of COL1A1 and LRP5 gene polymorphisms with changes in immune parameters remain unknown. It is possible that the role of these polymorphisms in the development of OP is not even due to their direct effect on the production of cytokines. And the revealed links with the levels of cytokines are mediated by other reasons, due to complex interactions in the «gene-gene», «gene-external factors» systems. After all, OP is a polygenic disease. Its etiopathogenesis involves many genes that mutually influence each other, the phenotypic manifestations of which are realized under the influence of a wide range of external factors (the presence and severity of estrogen, vitamin D and calcium deficiency, physical inactivity, smoking, racial differences, etc. ). This is confirmed by the opinion that mutations in the COL1A1 gene involved in the formation of collagen cause structural and functional changes in the main component of the connective tissue and thus contribute to the development of OP. In particular, one of these mutations is the rs1800012 polymorphism in the COL1A1 gene, which leads to an increase in the ratio of α-1 and α-2 collagen chains and, ultimately, to a deterioration in bone microarchitecture and an increase in the risk of fractures [12][13].
Mutations in the LRP5 gene are known to have a direct effect on bone cell function, bone formation and bone tissue resorption. The protein associated with the type 5 low density lipoprotein receptor, which is encoded by the LRP5 gene, is an important factor in signaling via the canonical Wnt signaling pathway [14]. The canonical (β-catenin-dependent) Wnt signaling pathway is one of the most important molecular signaling pathways that regulates embryonic development and differentiation of cells, including cells of the skeletal system. Disturbances in Wnt signaling, which may be caused by mutations in the LRP5 gene, are accompanied by an increase in the intensity of bone formation in the direction of increase, and in the direction of decrease, by a decrease in bone mass and skeletal disorders [15]. At the same time, it is necessary to point out the important role of the canonical Wnt signaling pathway in the regulation of not only bone cells, but also cells of the immune system [16]. Based on this, it can be assumed that the effect of LRP5 gene polymorphisms on the risk of developing AP may be indirect and through the impact on the function of dendritic cells and lymphocytes. Among other things, it has been shown that a decrease in LRP5/6-mediated signaling in dendritic cells leads to an increase in the differentiation of effector T cells, an increase in the production of pro-inflammatory cytokines, and a decrease in the production of IL-10 [17][18][19]. This is consistent with our results demonstrating an association between the GA genotype of the 1999 G>A polymorphism (Val667Met, rs4988321) and the CT or TT genotypes of the 3989 C>T polymorphism (Ala1330Val, rs3736228) of the LRP5 gene with a decrease in serum levels of IL-10.
The mechanisms by which VDR gene mutations, including the BsmI polymorphism, are involved in the development of osteoporotic changes are still debatable. It is assumed that risk alleles cause a decrease in the expression of this receptor [15], which is accompanied by a decrease in the regulatory effects of vitamin D on the cell. There is a picture of vitamin D deficiency even with its sufficient amount. The result of this is the inhibition of the genomic effects of the vitamin on calcium absorption in the intestinal epithelium. Deficiency of the direct mechanisms of vitamin action on the cells of the skeletal system, including osteoblasts, also develops [20]. All of these may be important links in the pathogenesis of OP. In addition, the regulating effect of vitamin D on immune cells also suffers. To date, its important function in providing an immune response, including the suppression of excessive production of pro-inflammatory cytokines and an increase in the formation of IL-10, has been established [21]. Apparently, the presence of the GG genotype of the 283 A>G polymorphism (BsmI, rs1544410) is combined with a decrease in the effects of vitamin D on cells of the immune system, which may be accompanied by the changes in the cytokine balance that were identified in our work, namely, an increase in the levels of IL- 1-β, RANKL, OPG/RANKL index and a decrease in IL-10.
Conclusion
Thus, it was found that women with postmenopausal osteoporosis are characterized by a significant (P<0.05) increase in serum concentrations of IL-1-β, IL-8, IL-17A, TNF-α, RANKL and a decrease levels IL-4, IL-10. Polymorphic variants of the VDR, COL1A1 and LRP5 genes, which were associated with the development of postmenopausal osteoporosis, in most cases had a similar association with changes in the levels of the above cytokines. At the same time, features of the cytokine status in women depending on genetic polymorphisms were also found. The data obtained reflect important pathogenetic aspects of postmenopausal osteoporosis, including those depending on genetic factors, and can be used to develop individualized schemes for treatment and prevention.
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Characteristics of reproductive function in women suffering from recurrent depressive disorder » Obstetrics and Gynecology
DOI
https://dx.doi.org/10.18565/aig.2019.3.92-97
First Moscow State Medical University. I.M. Sechenov” of the Ministry of Health of Russia (Sechenov University), Russia, Moscow
Purpose of the study. The study of the ratio of reproductive function (FR) and recurrent depressive disorder (RDD) in women.
Material and methods. 120 women with RDD and 120 mentally healthy women, 18–65 years old, were examined.
Results. Quantitative characteristics of RF in women with RDR and healthy women are presented. With depression, there is a later onset and irregularity of menstruation, earlier recovery of menstrual function after childbirth, the occurrence of PMS and premenopause, which leads to a decrease in the number of pregnancies, childbirth, and children. Depression negatively affects social and family adaptation. The most malignant in terms of the effect on FR are depressions that debuted in puberty, the least — with a debut in postmenopause.
Conclusion. Depressive disorders are associated with periods of hormonal adjustment. Depressive symptoms in PMS predict future depression or indicate incomplete remission. In women with RDR, menstrual and reproductive function is disturbed.
recurrent depressive disorder
female depression
menstrual function
reproductive function
puberty
postpartum period
menopause
premenstrual syndrome
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is available in the Doctor’s Library
- Tyuvina N. A. Depression in women. M.: Publishing house «Servier»; 2006.
- Nolen-Hoekesma S. Gender differences in depression. Curr. Direct. Psychol. sci. 2001; 10(5): 173-6.
- Zhilyaeva T.V. Premenstrual mood disorders: etiology, pathogenesis, diagnosis and treatment (literature review). reproduction problems. 2015; 21(4): 76-85.
- Smetnik V.P., Kulakov V.I. Guide to menopause. M.: MIA; 2001.
- Smetnik V.P., Tkachenko N.M., Glezer G.A., Moskalenko N.P. Climacteric syndrome. M.; 1988.
- Yureneva S.V., Kamenetskaya T.Ya. Depressive disorders in peri- and postmenopausal women. Gynecology. 2007; 9(2): 40-3.
- Bennett H.A., Einarson A., Taddio A., Koren G., Einarson T.R. Prevalence of depression during pregnancy: a systematic review. obstet. Gynecol. 2004; 103(4): 698-709.
- Bromberger J.T., Kravitz H.M., Chang Y.F., Cyranowski J.M., Brown C., Matthews K.A. Major depression during and after the menopausal transition: Study of Women’s Health Across the Nation (SWAN). Psychol. Med. 2011; 41(9): 1879-88.
- Bromberger J.T., Matthews K.A., Schott L.L., Brockwell S., Avis N.E., Kravitz H.M. et al. Depressive symptoms during the menopausal transition: the Study of Women’s Health Across the Nation (SWAN). affect. Discord. 2007; 103(1-3): 267-72.
- Epperson C.N., Steiner M., Hartlage S.A., Eriksson E., Schmidt P.J., Jones I., Yonkers K.A. Premenstrual dysphoric disorder: evidence for a new category for DSM-5. Am. J. Psychiatry. 2012; 169(5): 465-75.
- Ross L., Steiner M. A biopsychosocial approach to premenstrual dysphoric disorder. Psychiatr. Clin. North Am. 2003; 26(3): 529-46.
- Tyuvina N.A., Balabanova V.V., Voronina E.O. Gender characteristics of depressive disorders in women. Neurology, neuropsychiatry, psychosomatics. 2015; 7(2): 75-8.
- Romans S.E., Kreindler D., Asllani E., Einstein G., Laredo S., Levitt A. et al. Mood and the menstrual cycle. Psychother. Psychosom. 2013; 82(1): 53-60.
- Woods N. F., Smith-Dijulio K., Percival D.B., Tao E.Y., Taylor H.J., Mitchell E.S. Symptoms during the menopausal transition and and early postmenopause and their relation to endocrine levels over time: observations from the Seattle Midlife Women’s Health Study. J. Women’s Health (Larchmt). 2007; 16(5): 667-77.
- Viviand-Taylor J., Hickey M. Menopause and depression: is there a link? Maturitas. 2014; 79(2): 142-6.
- Romans S., Clarkson R., Einstein G., Petrovic M., Stewart D. Mood and the menstrual cycle: a review of prospective data studies. Gend. Med. 2012; 9(5): 361-84.
- Rubinow D.R., Schmidt P.J. Gonadal steroid regulation of mood: the lessons of premenstrual syndrome. front. Neuroendocrinol. 2006; 27(2): 210-6.
- Lokuge S., Frey B.N., Foster J.A., Soares C.N., Steiner M. Depression in women: windows of vulnerability and new insights into the link between estrogen and serotonin. J.Clin. Psychiatry. 2011; 72(11): 1563-9.
- Weiss E.L., Longhurst J. G., Mazure C.M. Childhood sexual abuse as a risk factor for depression in women: Psychosocial and neurobiological correlates. Am. J. Psychiatry. 1999; 156(6): 816-28.
- Young E., Korszun A. Women, stress, and depression: Sex differences in hypothalamic-pituitary-adrenal axis regulation. J. Gend. specif. Med. 1998; 1(1): 21-7.
- Tyuvina N.A. Clinical features of premenstrual syndrome in major mental illnesses: diss. … cand. honey. Sciences. M.; 1983.
Received 06/15/2018
Accepted for publication 06/22/2018
Ivanets Nikolai Nikolaevich, Doctor of Medical Sciences, Professor, Corresponding Member. RAS; Honored Worker of Science of the Russian Federation; Honorary Head. Department of Psychiatry and Narcology
Federal State Autonomous Educational Institution of Higher Education “First Moscow State Medical University named after I.I. THEM. Sechenov” of the Ministry of Health of Russia (Sechenov University).
Address: 119021, Russia, Moscow, st. Rossolimo, 11, building 9. Phone: +79859998294. ORCID: http://orcid.org/0000-0002-0013-5031
Tyuvina Nina Arkadievna, Doctor of Medical Sciences, Professor of the Department of Psychiatry and Narcology, First Moscow State Medical University
them. THEM. Sechenov” of the Ministry of Health of Russia (Sechenov University).
Address: 119021, Russia, Moscow, st. Rossolimo, 11, building 9. Phone: +7
30020. E-mail: [email protected]. ORCID: https://orcid.org/0000-0002-5202-1407
Voronina Ekaterina Olegovna, Candidate of Medical Sciences, Assistant of the Department of Psychiatry and Narcology, First Moscow State Medical University. I.M. Sechenov” of the Ministry of Health of Russia (Sechenov University).
Address: 119021, Russia, Moscow, st. Rossolimo, 11, building 9. Phone: +79660656900. E-mail: [email protected]. ORCID https://orcid.org/0000-0001-5751-0579
Balabanova Vera Vladimirovna, Candidate of Medical Sciences, Associate Professor at the Department of Psychiatry and Medical Psychology; Associate Professor of the Department of Psychiatry and Narcology, Federal State Autonomous Educational Institution of Higher Education
«First Moscow State Medical University named after I. I. THEM. Sechenov” of the Ministry of Health of Russia (Sechenov University).
Address: 119021, Russia, Moscow, st. Rossolimo, 11, building 9. Phone: +7
41257. E-mail: [email protected]. ORCID: https://orcid.org/0000-0001-7420-9585
For citation: Ivanets N.N., Tyuvina N.A., Voronina E.O., Balabanova V.V. Characteristics of reproductive function in women suffering from recurrent depressive disorder. Obstetrics and gynecology. 2019; 3:92-7.
https://dx.doi.org/10.18565/aig.2019.3.92-97
Our escort service — School N307 of the Admiralteisky district of St. Petersburg
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Our Escort Service
The results of an independent assessment of the quality of the provision of services by organizations of the social sphere
can be found here
deadlines for the holidays
Autumn holidays — 10. 10.2022 — 06.11.2022;
winter holidays — 12/28/2022 — 01/08/2023;
spring break — 03/24/2023 — 04/02/2023.
Additional holidays for first-graders — from 02/13/2023 to 02/19/2023.
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SOCIAL TEACHER’S PAGE
Social teacher — Fix Ekaterina Olegovna
tel. 316-69-92
Pedagogical experience — 5 years. 10 months Education — higher pedagogical.
A social educator is a person in a school whose activity is designed to unite the efforts of the family, school, community to provide comprehensive assistance and support in the development and upbringing of children.
The activity of a social pedagogue involves interaction with children, in the process of socialization of which various kinds of problems arise. The success of a child in school, the upbringing of a socially active person who can make independent decisions is the key to a person’s success in life. Every child is talented, every child is a whole world, it is only necessary to notice in time and help him discover his talent, based on his individuality and personal qualities.
The purpose of the work of a social pedagogue is to create conditions for the successful socialization of a child.
Areas of activity of a social pedagogue: diagnostic; consultative and educational; preventive; organizational and methodological.
In his socio-pedagogical activities, the social teacher is guided by the following legal documents:
- the UN Convention on the Rights of the Child;
- Constitution of the Russian Federation;
- Civil, Family, Criminal Code;
- Code of Administrative Offenses;
- RF Law “On Education in the Russian Federation”;
- Federal Law “On the fundamentals of the system of prevention, neglect and juvenile delinquency” dated June 24, 1999 No. 120-FZ
- Federal Law “On the Basic Guarantees of the Rights of the Child in the Russian Federation” dated July 24, 1998 No. 124-FZ
- Plan of social and pedagogical work of GBOU secondary school No. 307 of the Admiralteisky district of St. Petersburg for the 2021/2022 academic year
- Work plan of the psychological and pedagogical support service of the GBOU secondary school No. 307 of the Admiralteisky district of St. Petersburg for the 2021/2022 academic year
Work of the Council for the Prevention of Delinquency
Work plan of the Council for the Prevention of Juvenile Delinquency for the 2021/2022 academic year — here is
Regulation on the Council for the prevention of offenses among minors — here
Methodological materials
Parents to Parents — here 9004
Parent’s application form for the absence of a child at school — here0041 here
Information for large families — here
What is dromania — here
— here
Guide for parents on identifying early signs of suicidal behavior in minors — here
Guide for parents on providing psychological assistance to children and adolescents in crisis — here is
Hot Line phone 667-82-82
9000
Navigator for prevention of deviant behavior
INTERNET SAFETY
0041 here
Letter of the Ministry of Education and Science of the Russian Federation dated April 28, 2014 No. DL-115/03 «On sending methodological materials to ensure the information security of children when using Internet resources» — here
Memo for parents (legal representatives) issues of identifying early signs of suicidal behavior in minors — here
Social partners
Center for psychological and pedagogical support of the Admiralteysky District of St. Petersburg S.S. here is
- Cooperation Agreement from the State Budgetary Institution of the Admiraltay district of St. Petersburg on the conduct of diagnostic, correction and developmental work of narrow specialists for 2020 /20121 academic year
- Cooperation agreement with the State Budgetary Institution of Education and Science of the Admiralteisky District of St. Petersburg
Activities 2021/2022 of the academic year
18. 11.2021 For students of the 7th, 8th grades of the State Budgetary Institution to the CPPS of the Admiralty District, preventive measures were held: in the 7-B class of class-class an hour on the topic «Legal Education», in which students got acquainted with the basic rights and obligations of a person and a citizen, connected parts of proverbs on legal topics, determined what is a right and what is an obligation. In the 8th grade — a classroom hour dedicated to the prevention of extremist and terrorist tendencies among the youth, during which the students brought out the definition of tolerance for themselves and each participant presented his own project of the emblem of a tolerant society.
19.11.2021 specialists of the school escort service (social teacher, teacher-psychologist) conducted a lesson of kindness in the 1st grade. The purpose of the lesson is to cultivate a respectful attitude towards people, a caring attitude towards animals and the environment. As part of the kindness lesson, the students determined for themselves what qualities are included in the concept of kindness, watched a cartoon on a given topic, and made a portrait of a kind person. At the end of the lesson, a communicative game «Compliments» was held, aimed at establishing a favorable atmosphere in the classroom and rallying the children’s team.
December 10 is celebrated as Human Rights Day around the world. It was on this day in 1948 that the United Nations Assembly adopted the Universal Declaration of Human Rights. Today, the school has carried out activities aimed at shaping the legal culture of young citizens of our country: For students 5-a, 5-b, 7-c, 11-a, the juvenile inspector of the ODN of the Ministry of Internal Affairs of Russia for the Admiralteysky district Javadyan R. R. gave lectures on legal topics. The event was very active and informative, the students asked their questions and offered their options for solving legal problems.
On January 26, 2022, specialists conducted class hours «Personality Builder» in grades 8, as well as a preventive lesson «Consciousness» for grade 7.