rs34330(T;T)

1.2x higher breast cancer risk; 1.3x higher risk for endometrial cancer (in Chinese women)

Magnitude
1.3Minor
Repute
Bad
Frequency
13%Average of 11 populations
On SNPedia
rs34330(T;T)
Gene
GPR19

Frequency

Share of people with T;T in each HapMap population.

  • Japanese (Tokyo)26%
  • Han Chinese (Beijing)22%
  • Chinese (Denver)19%
  • Yoruba (Nigeria)18%
  • African ancestry (Southwest US)16%
  • Luhya (Kenya)15%
  • Gujarati Indian8%
  • Mexican ancestry (Los Angeles)7%
  • European ancestry (Utah)6%
  • Maasai (Kenya)6%
  • Tuscan5%

Other genotypes of rs34330

  1. C;CGoodnormal risk for endometrial/breast cancerTypical · 0.043% of people
  2. C;TMost notableBad1.3x higher risk for endometrial cancer (in Chinese women)Minor · 1.344% of people
  3. C;TNot ratedNo summary available.Typical · 0.044% of people

All about rs34330

Source and license

Adapted from rs34330(T;T) on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.