Genetic Determinant of Lithium Ion Distribution: I. An in Vitro Monozygotic-Dizygotic Twin Study

Elizabeth Dorus, Ghanshayam N. Pandey, Alan Frazer, Joe Mendels

Research output: Contribution to journalArticle

45 Scopus citations

Abstract

Research in pharmacogenetics has provided evidence that individual variation in rate of metabolism of various drugs is genetically controlled. To evaluate the possibility of a genetic determinant of lithium ion distribution, a monozygotic (MZ)-dizygotic (DZ) twin study method was used. Red blood cell (RBC) lithium ion concentrations were assessed for ten MZ and seven DZ twin pairs following a 24-hour incubation in vitro. The distributions of intrapair difference scores of MZ twin pairs and DZ twin pairs were relatively nonoverlapping, with MZ intrapair difference scores being smaller on the average. A heritability index of 0.85, calculated as a function of intrapair difference scores, indicated that a substantial genetic factor is operative in RBC uptake of lithium ion.

Original languageEnglish (US)
Pages (from-to)463-465
Number of pages3
JournalArchives of General Psychiatry
Volume31
Issue number4
DOIs
StatePublished - Oct 1974
Externally publishedYes

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Psychiatry and Mental health

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