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Case-control study, 2007

Are there genes that increase the risk of PMDD?

Genetic variations in the ESR1 gene (which codes for estrogen receptor alpha) appear linked to PMDD mood symptoms, suggesting genetic factors contribute to who develops the condition. This was found in a study of women with PMDD and unaffected controls.

Moderate study design About 91 women with PMDD and control subjects (study abstract incomplete)

What they did

Case-control genetic study analyzing three genes (ESR1, ESR2, and COMT) in women with PMDD and control women. Researchers looked for common genetic variations and tested if they appeared more often in women with PMDD.

What they found

Specific genetic variations in the ESR1 gene were linked to PMDD. The study helps explain why PMDD runs in families and why different women respond differently to the condition. The underlying cause appears to involve how the brain handles estrogen, not abnormal hormone levels.

What it means for you

PMDD has a genetic component related to estrogen sensitivity in the brain. However, the study is small and was not completed (abstract cuts off), so results need to be confirmed in larger studies.

5-8%

Of women affected by PMDD

91

Women with PMDD studied

3

Genes tested (ESR1, ESR2, COMT)

About the study

Original title
Genes Linked to Mood Symptoms of Premenstrual Dysphoric Disorder
Authors
Jun Yan
Journal
Psychiatric News
Year
2007
Study design
Case-control study
Participants
56
What was tested
Genetic analysis and comparison (no treatment tested)

Topics