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CACNA1C, schizophrenia and major depressive disorder in the Han Chinese population

  • Kuanjun He (a1), Zhiguo An (a2), Qingzhong Wang (a3), Tao Li (a3), Zhiqiang Li (a3), Jianhua Chen (a4), Wenjin Li (a1), Ti Wang (a1), Jue Ji (a1), Guoyin Feng (a5), He Lin (a3), Qizhong Yi (a2) and Yongyong Shi (a6)...

Common psychiatric disorders are highly heritable, indicating that genetic factors play an important role in their aetiology. The CACNA1C gene, which codes for subunit alpha-1C of the Cav1.2 voltage-dependent L-type calcium channel, has been consistently found to be the shared risk gene for several kinds of mental disorder.


To investigate whether CACNA1C is a susceptibility gene for schizophrenia and major depressive disorder in the Han Chinese population.


We carried out a case–control study of 1235 patients with schizophrenia, 1045 with major depressive disorder and 1235 healthy controls. A tag single nucleotide polymorphism (SNP) rs1006737 along with another 10 tag SNPs in the CACNA1C gene were genotyped in all samples.


We found that rs1006737 was associated with both schizophrenia (P allele = 0.0014, P genotype = 0.006, odds ratio (OR) = 1.384, 95% CI 1.134–1.690) and major depressive disorder (P allele = 0.0007, P genotype = 0.003, OR = 1.425, 95% CI 1.160–1.752).


Our findings support CACNA1C being a risk gene for both schizophrenia and major depressive disorder in the Han Chinese population.

Corresponding author
Yongyong Shi or Qizhong Yi or Lin He, Bio-X Institutes, Shanghai Jiao Tong University, The Central Little White House, 1954 Huashan Road, Shanghai 200030 or Department of Psychiatry, the First Teaching Hospital of Xinjiang Medical University, Urumqi 830002, People's Republic of China. Tel./fax: +86 2162822491. Email: (Y. Shi) or (Q. Yi) or (L. He).
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These authors contributed equally to the work.

This work was supported by the Natural Science Foundation of China (81130022, 81272302, 31000553, 81121001), the National 863 project (2012AA02A515), the 973 Program (2010CB529600), Program for Changjiang Scholars and Innovative Research Team in University (IRT1025), the Foundation for the Author of National Excellent Doctoral Dissertation of China (201026), Shanghai Rising-Star Program (12QA1401900) and ‘Shu Guang’ project supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation (12SG17).

Declaration of interest


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CACNA1C, schizophrenia and major depressive disorder in the Han Chinese population

  • Kuanjun He (a1), Zhiguo An (a2), Qingzhong Wang (a3), Tao Li (a3), Zhiqiang Li (a3), Jianhua Chen (a4), Wenjin Li (a1), Ti Wang (a1), Jue Ji (a1), Guoyin Feng (a5), He Lin (a3), Qizhong Yi (a2) and Yongyong Shi (a6)...
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