Lithium ion transport and affective disorders within families of bipolar patients. Identification of a major gene locus.

Dorus E, Cox NJ, Gibbons RD, Shaughnessy R, Pandey GN, Cloninger CR
Arch Gen Psychiatry. 1983 40 (5): 545-52

PMID: 6838332 · DOI:10.1001/archpsyc.1983.01790050071009

We have identified a genetic polymorphism in which one allele results in elevated RBC lithium ion ratios and also contributes to vulnerability to some forms of affective disorders. Interindividual variability in the lithium ion ratio (the ratio of the RBC to the plasma lithium ion concentration) is determined by variability in a lithium ion ratio (the ratio of the RBC to the plasma lithium ion concentration) is determined by variability in a lithium-sodium ion counterflow mechanism. Segregation analyses were conducted on lithium ion ratios in vitro in members of 120 normal families and on both the lithium ion ratio and the history of affective disorder in first-degree relatives of 31 bipolar patients. These analyses provided evidence for an autosomal major gene locus that influences the lithium ion ratio both in members of normal families and in relatives of bipolar patients. The allele at the major locus resulting in elevated lithium ion ratios was associated with an increased likelihood of psychiatric hospitalization among relatives of bipolar patients.

MeSH Terms (12)

Alleles Bipolar Disorder Chromosome Mapping Erythrocytes Female Hospitalization Hospitals, Psychiatric Humans Lithium Male Mood Disorders Polymorphism, Genetic

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