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A sex-specific role of type VII adenylyl cyclase in depression.


ABSTRACT: Major depression represents a complex mental disorder. The identification of biological markers that define subtypes of major depressive disorder would greatly facilitate appropriate medical treatments, as well as provide insight into etiology. Reduced activity of the cAMP signaling system has been implicated in the etiology of major depression. Previous work has shown low adenylyl cyclase activity in platelets and postmortem brain tissue of depressed individuals. Here, we investigate the role of the brain type VII isoform of adenylyl cyclase (AC7) in the manifestation of depressive symptoms in genetically modified animals, using a combination of in vivo behavioral experiments, gene expression profiling, and bioinformatics. We also completed studies with humans on the association of polymorphisms in the AC7 gene with major depressive illness (unipolar depression) based on Diagnostic and Statistical Manual of Mental Disorders IV criteria. Collectively, our results demonstrate a sex-specific influence of the AC7 gene on a heritable form of depressive illness.

SUBMITTER: Hines LM 

PROVIDER: S-EPMC6674903 | biostudies-literature | 2006 Nov

REPOSITORIES: biostudies-literature

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A sex-specific role of type VII adenylyl cyclase in depression.

Hines Lisa M LM   Hoffman Paula L PL   Bhave Sanjiv S   Saba Laura L   Kaiser Alan A   Snell Larry L   Goncharov Igor I   LeGault Lucie L   Dongier Maurice M   Grant Bridget B   Pronko Sergey S   Martinez Larry L   Yoshimura Masami M   Tabakoff Boris B  

The Journal of neuroscience : the official journal of the Society for Neuroscience 20061101 48


Major depression represents a complex mental disorder. The identification of biological markers that define subtypes of major depressive disorder would greatly facilitate appropriate medical treatments, as well as provide insight into etiology. Reduced activity of the cAMP signaling system has been implicated in the etiology of major depression. Previous work has shown low adenylyl cyclase activity in platelets and postmortem brain tissue of depressed individuals. Here, we investigate the role o  ...[more]

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