General Information of Drug Transporter (DT)
DT ID DTD0519 Transporter Info
Gene Name CACNA1B
Protein Name Voltage-gated calcium channel alpha Cav2.2
Gene ID
774
UniProt ID
Q00975
Genetic Polymorphisms of DT (GPD)
Genetic Polymorphism rs2229949
Site of GPD chr9:138122079 (GRCh38.p12)
GPD Type SNP
Allele(s) in dbSNP C>T
Minor Allele Frequency C=0.1375/510 (Global)
 Genotype CC Click to Show/Hide the Full List of Affected Drugs:           2 Drugs in Total
Antipsychotics N.A. Major Depressive Disorder Genotype CC is associated with increased response to antipsychotics in people with Schizophrenia as compared to genotype TT. [ 1]
Antipsychotics N.A. Schizophrenia Correlated with the increased drug response in patients (compare with genotype TT) [ 1]
Genetic Polymorphism rs2739260
Site of GPD chr9:138117612 (GRCh38.p12)
GPD Type SNP
Allele(s) in dbSNP A>G
Minor Allele Frequency A=0.6440/1274 (Global)
 Genotypes AG + GG Click to Show/Hide the Full List of Affected Drugs:           2 Drugs in Total
Nicardipine N.A. Major Depressive Disorder Genotypes AG + GG is associated with increased clinical benefit to nicardipine or nimodipine in people with Bipolar Disorder as compared to genotype AA. [ 2]
Nimodipine N.A. Major Depressive Disorder Genotypes AG + GG is associated with increased clinical benefit to nicardipine or nimodipine in people with Bipolar Disorder as compared to genotype AA. [ 2]
Genetic Polymorphism rs2739258
Site of GPD chr9:138116189 (GRCh38.p12)
GPD Type SNP
Allele(s) in dbSNP A>G
Minor Allele Frequency A=0.6470/1280 (Global)
 Genotypes AG + GG Click to Show/Hide the Full List of Affected Drugs:           2 Drugs in Total
Nicardipine N.A. Major Depressive Disorder Genotypes AG + GG is associated with increased clinical benefit to nicardipine or nimodipine in people with Bipolar Disorder as compared to genotype AA. [ 2]
Nimodipine N.A. Major Depressive Disorder Genotypes AG + GG is associated with increased clinical benefit to nicardipine or nimodipine in people with Bipolar Disorder as compared to genotype AA. [ 2]
References
1 Variation within voltage-gated calcium channel genes and antipsychotic treatment response in a South African first episode schizophrenia cohort. Pharmacogenomics J. 2019 Feb;19(1):109-114.
2 A pilot pharmacogenetic study of calcium channel blocker treatment of bipolar mania. Psychiatry Res. 2023 Aug;326:115281.

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