Association between the PPP3CC gene, coding for the calcineurin gamma catalytic subunit, and bipolar disorder
2008

PPP3CC Gene and Bipolar Disorder

Sample size: 212 publication Evidence: moderate

Author Information

Author(s): Mathieu Flavie, Miot Stéphanie, Etain Bruno, El Khoury Marie-Anne, Chevalier Fabien, Bellivier Frank, Leboyer Marion, Giros Bruno, Tzavara Eleni T

Primary Institution: INSERM U-513, Faculté de Médecine, Créteil, France

Hypothesis

Variants in the PPP3CC gene might predispose individuals to bipolar affective disorder (BPAD).

Conclusion

The PPP3CC gene may be a susceptibility gene for BPAD, suggesting a link between calcineurin dysregulation and affective disorders.

Supporting Evidence

  • Carrying 'CT' or 'TT' genotypes of the PPP3CC-CC33 polymorphism increased the risk of developing BPAD.
  • For the PPP3CC-CCS3 polymorphism, 'AG' or 'GG' carriers had a higher risk of developing BPAD than 'AA' carriers.
  • The CC33 and CCS3 polymorphisms were in significant linkage disequilibrium.
  • Haplotype frequencies were significantly different in BPAD patients compared to controls.

Takeaway

Scientists studied a gene called PPP3CC to see if it makes people more likely to have bipolar disorder, and they found it might be important.

Methodology

The study involved genetic association analysis of two polymorphisms in the PPP3CC gene among 115 BPAD patients and 97 healthy controls.

Potential Biases

Ethnographic bias cannot be excluded due to the specific population studied.

Limitations

The study has a small sample size and potential ethnographic bias, which may affect the replicability of the results.

Participant Demographics

115 BPAD patients and 97 healthy controls, primarily Caucasian French individuals.

Statistical Information

P-Value

0.05

Confidence Interval

[1.01–3.0]

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1744-9081-4-2

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