Abstract
Objective
To explore susceptibility genes associated with yang-deficiency constitution using single nucleotide polymorphism (SNP) genotyping.
Methods
Based on an epidemiological survey, 30 volunteers with yang-deficiency constitution and 30 volunteers with a balanced constitution were included according to the Classification and Determination Standards of Constitutions in Traditional Chinese Medicine. Peripheral blood was collected and DNA was extracted from white blood cells. A genome-wide association study (GWAS) was conducted by SNP 6.0 genotyping at the Beijing CapitalBio Corporation Ltd. A minimum association P-value (Fisher’s exact value) of less than 10-4 in the allele, genotype, dominant, and recessive models served as the standard for significant association of SNP with yang-deficiency constitution.
Results
Among the four genetic models, a total of 42 SNPs were significantly associated with yang-deficiency constitution (Fisher’s exact P-values P<10-4). These SNPs were adjacent to more than 20 genes, including RGS6, mGluR5, GAPDHL19, and IKZF1.
Conclusion
Yang-deficiency constitution exhibits the characteristics of polygenic inheritance. This pilot study suggests that the polymorphisms in RGS6, mGluR5, GAPDHL19, and IKZF1 are associated with changes in cyclic adenosine monophosphate and cyclic guanosine monophosphate levels, memory, metabolic energy status, and immune function, respectively in people with yang-deficiency constitution.
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Supported by the National Natural Science Foundation of China (No. 81072715)
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Yao, Sl., Wang, Q., Zhang, Zz. et al. Genome-wide association study on susceptibility genes associated with yang-deficiency constitution: A small sample case-control study. Chin. J. Integr. Med. 21, 601–609 (2015). https://doi.org/10.1007/s11655-014-1957-5
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DOI: https://doi.org/10.1007/s11655-014-1957-5