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Miscarriage (Recurrent Spontaneous) associated with poor CYP27B1 gene - Jan 2024


Heliyon 2024 Jan 13;10(2):e24499. doi: 10.1016/j.heliyon.2024.e24499
Chaoyan Yue 1, Yanhui Ma 2, Mingyan Wang 1, Minmin Yuan 1, Yi Meng 1, Zhiheng Wang 1, Chunmei Ying 1

Table of Contents

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Chart of Treg vs Vitamin D

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The study aimed to explore the relationship between the expression of cytochrome P450 family 27 subfamily B member 1 (CYP27B1), vitamin D, and impaired T cell subsets in recurrent spontaneous miscarriage (RSM). A Total of 779 healthy women of childbearing age and 1031 women with a history of RSM were involved in this study. The results of flow cytometry showed that the proportion of Tregs was higher in healthy women than in the women with RSM. For cytokines, the levels of interleukin-17 (IL-17) and interferon-gamma (IFN-γ) were significantly higher in RSM patients than in healthy women, while IL-10 was notably lower in RSM patients. Furthermore, compared to healthy individuals, RSM patients had lower levels of serum 25(OH)D detected by chemiluminescence. The frequency of Tregs was negatively correlated with 25(OH)D.
Specifically, for every 10 ng/ml increase in 25(OH)D, the percentage of Tregs increased by 0.58 as calculated. IL-17 and IFN-γ were inversely correlated with 25(OH)D, while the serum interleukin-10 (IL-10) level was positively correlated with 25(OH)D. CYP27B1 was found to be expressed in both cytotrophoblast and extracellular villi trophoblast cells. However, reduced expression of CYP27B1 was observed in the placenta with RSM. Notably, the level of 25(OH)D increased in the supernatant of CYP27B1 knockdown BeWo compared to normal cells, while human chorionic gonadotropin (hCG) was significantly reduced. The hCG secretion of CYP27B1 KO BeWo cells was partially restored after 1,25(OH)2D3 supplementation. In addition, 1,25(OH)2D3 treatment could induce more CD4+ T cells to convert to Foxp3+iTreg, which in turn inhibited the secretion of IL-17, IFN-γ. In summary, this research unveiled a connection between reduced CYP27B1 and vitamin D deficiency in RSM. Our study underscores the potential benefits of vitamin D treatment supplementation in the context of RSM. However, it is important to note that further research is imperative to validate these observations.
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VitaminDWiki - 4 studies in both categories Pregnancy and CYP27B1

This list is automatically updated


VitaminDWiki – CYP27B1 category contains

The CYP27B1 gene activates Vitamin D in the Kidney,    Skin,    Lungs,    Brain,   Eyes   Breasts   etc.
CYtochrome P450 family 27 subfamily B member 1    = 25-Hydroxyvitamin D3 1-alpha-hydroxylase

What can be done if have a poor CYP27B1

  • Larger doses of Vitamin D
  • More Bio-available: Gut-friendly form, Topical form, taken with fatty meal, taken with evening meal
  • Additional sources: UV
  • Increase Vitamin D metabolism: additional Magnesium, Omega-3
  • Increase the amount of Vitamin D in the blood that gets to cells: increase activation of VDR

Vitamin D blood test misses CYP27B1 and other genes
in Visio for 2023


Attached files

ID Name Comment Uploaded Size Downloads
20725 TReg vs Vitamin D.png admin 01 Feb, 2024 54.09 Kb 7
20724 CYP27B1 miscarriage.png admin 01 Feb, 2024 25.82 Kb 8
20723 CPY27B1 miscarriage_CompressPdf.pdf admin 01 Feb, 2024 521.58 Kb 4