A common risk variant in CACNA1C supports a sex-dependent effect on longitudinal functioning and functional recovery from episodes of schizophrenia-spectrum but not bipolar disorder

Urs Heilbronner, Dörthe Malzahn, Jana Strohmaier, Sandra Maier, Josef Frank, Jens Treutlein, Thomas W. Mühleisen, Andreas J. Forstner, Stephanie H. Witt, Sven Cichon, Peter Falkai, Markus M. Nöthen, Marcella Rietschel, Thomas G. Schulze

Research output: Contribution to journalArticle

Abstract

Sex is a powerful modulator of disease susceptibility, course and outcome. The gene CACNA1C is among the best replicated vulnerability genes of bipolar disorder and schizophrenia. The aim of the present study was to investigate whether sex and a variant in CACNA1C (rs10774035 as a proxy for the well-acknowledged risk variant rs1006737) influence psychosocial adaptation in a large German patient sample with schizophrenia-spectrum (n=297) and bipolar (n=516) disorders. We analyzed Global Assessment of Functioning (GAF) scores, retrospectively collected for different time points during disease course. We investigated whether CACNA1C sex-dependently modulates longitudinal GAF scores and recovery from episodes of psychiatric disturbance in the above mentioned disorders. Psychosocial recovery was measured as difference score between the current GAF score (assessing the last remission) and the worst GAF score ever during an illness episode. Covariate- adjusted association analyses revealed a sex × rs10774035 genotype interaction on longitudinal GAF and recovery from illness episodes only in schizophrenia-spectrum but not in bipolar disorders. In schizophrenia-spectrum affected males, rs10774035 minor allele (T) carriers had higher GAF scores at three time points (premorbid, worst ever, current). In contrast, females carrying rs10774035 minor alleles had impaired recovery from schizophrenia-spectrum episodes. These results encourage further investigations of gene × sex interactions and longitudinal quantitative phenotypes to unravel the rich variety of behavioral consequences of genetic individuality.

Original languageEnglish (US)
Pages (from-to)2262-2270
Number of pages9
JournalEuropean Neuropsychopharmacology
Volume25
Issue number12
DOIs
StatePublished - Dec 1 2015
Externally publishedYes

Fingerprint

Bipolar Disorder
Schizophrenia
Alleles
Genes
Behavioral Genetics
Disease Susceptibility
Proxy
Individuality
Psychiatry
Genotype
Phenotype

Keywords

  • Calcium channel
  • GAF
  • GAS
  • Global assessment of functioning
  • Recovery
  • Schizoaffective

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health
  • Pharmacology (medical)
  • Biological Psychiatry
  • Neurology
  • Pharmacology

Cite this

A common risk variant in CACNA1C supports a sex-dependent effect on longitudinal functioning and functional recovery from episodes of schizophrenia-spectrum but not bipolar disorder. / Heilbronner, Urs; Malzahn, Dörthe; Strohmaier, Jana; Maier, Sandra; Frank, Josef; Treutlein, Jens; Mühleisen, Thomas W.; Forstner, Andreas J.; Witt, Stephanie H.; Cichon, Sven; Falkai, Peter; Nöthen, Markus M.; Rietschel, Marcella; Schulze, Thomas G.

In: European Neuropsychopharmacology, Vol. 25, No. 12, 01.12.2015, p. 2262-2270.

Research output: Contribution to journalArticle

Heilbronner, U, Malzahn, D, Strohmaier, J, Maier, S, Frank, J, Treutlein, J, Mühleisen, TW, Forstner, AJ, Witt, SH, Cichon, S, Falkai, P, Nöthen, MM, Rietschel, M & Schulze, TG 2015, 'A common risk variant in CACNA1C supports a sex-dependent effect on longitudinal functioning and functional recovery from episodes of schizophrenia-spectrum but not bipolar disorder', European Neuropsychopharmacology, vol. 25, no. 12, pp. 2262-2270. https://doi.org/10.1016/j.euroneuro.2015.09.012
Heilbronner, Urs ; Malzahn, Dörthe ; Strohmaier, Jana ; Maier, Sandra ; Frank, Josef ; Treutlein, Jens ; Mühleisen, Thomas W. ; Forstner, Andreas J. ; Witt, Stephanie H. ; Cichon, Sven ; Falkai, Peter ; Nöthen, Markus M. ; Rietschel, Marcella ; Schulze, Thomas G. / A common risk variant in CACNA1C supports a sex-dependent effect on longitudinal functioning and functional recovery from episodes of schizophrenia-spectrum but not bipolar disorder. In: European Neuropsychopharmacology. 2015 ; Vol. 25, No. 12. pp. 2262-2270.
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