World J Gastroenterol. 2012 Apr 14;18(14):1672-9.
Bai YH, Lu H, Hong D, Lin CC, Yu Z, Chen BC.
Yong-Heng Bai, Dan Hong, Cheng-Cheng Lin, Bi-Cheng Chen, Wenzhou Key Laboratory of Surgery, The First Affiliated Hospital of Wenzhou Medical College, Wenzhou 325000, Zhejiang Province, China.
To investigate the relationship between polymorphisms present in the vitamin D receptor (VDR) gene and colorectal cancer risk, a systematic meta-analysis of population-based studies was performed.
A total of 38 relevant reports published between January 1990 and August 2010 were identified, of which only 23 qualified for this meta-analysis based on our selection criteria. Five polymorphic variants of the VDR gene, including Cdx-2 (intron 1e) and FokI (exon 2) present in the 5' region of the gene, and BsmI (intron 8), ApaI (intron 8), and TaqI (exon 9) sites present in the 3' untranslated region (UTR), were evaluated for possible associations with colorectal cancer risk. Review manager 4.2 was used to perform statistical analyses.
In the meta-analysis performed, only the BsmI polymorphism was found to be associated with colorectal cancer risk. In particular, the BsmI B genotype was found to be related to an overall decrease in the risk for colorectal cancer [BB vs bb: odds ratio (OR) = 0.87, 95% CI: 0.80-0.94, P = 3 × 10(-4); BB vs Bb + bb: OR = 0.90, 95% CI: 0.84-0.97, P = 5 × 10(-4)]. Moreover, in subgroup analyses, the BsmI B genotype was significantly associated with colon cancer, and not rectal cancer. An absence of between-study heterogeneity was also observed.
A meta-analysis of 23 published studies identified the BsmI polymorphism of the VDR gene to be associated with an increased risk of colon cancer.
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- Colon Cancer and vitamin D
- Overview Cancer-Colon and vitamin D
- Vitamin D Receptor
The items in both Colon Cancer and Vitamin D Receptor categories are listed here:
- Colorectal Cancer Patients 2.4 X more likely to have poor Vitamin D receptors (less D to cells) – April 2020
- Colorectal cancer linked to poor Vitamin D Receptor (yet again) – Jan 2020
- Colorectal Cancer risk increases when genes reduce the vitamin D levels – Aug 2019
- Risks of Colorectal Cancer, IBD, etc slightly increased if poor Vitamin D Receptor – Aug 2018
- Cancer and the Vitamin D Receptor, a primer – Sept 2017
- Advanced Colon Cancer risk is doubled or halved with 1000 IU of Vitamin D, depends on Vitamin D Receptors – RCT May 2017
- Colon Cancer survival 3.1 X less likely if poor Vitamin D Receptor – Aug 2017
- Risk of Cancer increased if poor Vitamin D Receptor – meta-analysis of 73 studies Jan 2016
- 10 percent of colon cancer linked to Vitamin D Receptor – meta-analysis April 2012
10 percent of colon cancer linked to Vitamin D Receptor – meta-analysis April 2012
- Clinical Trials of Colon with vitamin D intervention 29 trials listed as of Sept 2016
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