Multi-ancestry GWAS of severe pregnancy nausea and vomiting identifies risk loci associated with appetite, insulin signaling, and brain plasticity
2024

Genetic Study of Severe Pregnancy Nausea and Vomiting

Sample size: 472435 publication 10 minutes Evidence: high

Author Information

Author(s): Fejzo Marlena, Wang Xinran, Zöllner Julia, Pujol-Gualdo Natàlia, Laisk Triin, Finer Sarah, van Heel David A., Brumpton Ben, Bhatta Laxmi, Hveem Kristian, Jasper Elizabeth A., Velez Edwards Digna R., Hellwege Jacklyn N., Edwards Todd, Jarvik Gail P., Luo Yuan, Khan Atlas, MacGibbon Kimber, Gao Yuan, Ge Gaoxiang, Averbukh Inna, Soon Erin, Angelo Michael, Magnus Per, Johansson Stefan, Njølstad Pål R., Vaudel Marc, Shu Chang, Mancuso Nicholas

Primary Institution: University of Southern California Keck School of Medicine

Hypothesis

What genetic factors contribute to severe nausea and vomiting during pregnancy?

Conclusion

The study identified ten genetic loci associated with severe pregnancy nausea and vomiting, providing insights into potential biological mechanisms and therapeutic targets.

Supporting Evidence

  • Ten genetic loci were identified as significantly associated with severe nausea and vomiting during pregnancy.
  • Six of the loci were novel and not previously reported.
  • The study confirmed known associations with genes linked to appetite and insulin signaling.

Takeaway

Scientists found genes that might make some pregnant people feel really sick. Understanding these genes can help doctors find better treatments.

Methodology

A multi-ancestry genome-wide association study (GWAS) was performed using data from 10,974 cases and 461,461 controls across various ancestries.

Potential Biases

Potential biases may arise from the self-reported nature of nausea and vomiting diagnoses.

Limitations

The study may not fully represent all populations due to its focus on specific ancestries.

Participant Demographics

Participants included individuals from European, Asian, African, and Latino ancestries.

Statistical Information

P-Value

p<5×10−8

Statistical Significance

p<5×10−8

Digital Object Identifier (DOI)

10.21203/rs.3.rs-5487737

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