Spots Global Cancer Trial Database for Association Study Between VDR Gene Polymorphisms and Risk and Features of MG in Han Chinese Population

Study Description

Brief Summary: The Vitamin D receptor gene (VDR) polymorphisms are the candidate genetic variants for susceptibility to autoimmune diseases. In the present study, the investigators aimed to assess the association between VDR polymorphisms and myasthenia gravis (MG) susceptibility and disease features in Chinese Han population.The patients with MG and healthy controls were genotyped for VDR rs1544410, rs2228570, rs731236, and rs7975232 polymorphisms using the improved multiple ligase detection reaction. Information on age at onset, acetylcholine receptor antibody (AChR-Ab) and muscle-specific kinase antibody (MuSK-Ab) status, thymus status, involved muscles at onset and Osserman type at the maximum worsening during 2 years follow-up were obtained and used as the grouping basis of sub-classifications. Intergroup comparisons of allele and genotype frequencies, haplotype distributions were performed between MG group and the control group, and between each pair of MG subgroups.

Detailed Description:

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Eligibility

Minimum Age: 16 Years

Eligible Ages: CHILD, ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: Yes

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