Genetic Background of Patients from a University Medical Center in Manhattan: Implications for Personalized Medicine
2011

Genetic Diversity in Patients from a Manhattan Medical Center

Sample size: 977 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tayo Bamidele O., Teil Marie, Tong Liping, Qin Huaizhen, Khitrov Gregory, Zhang Weijia, Song Quinbin, Gottesman Omri, Zhu Xiaofeng, Pereira Alexandre C., Cooper Richard S., Bottinger Erwin P.

Primary Institution: Mount Sinai School of Medicine

Hypothesis

How does genetic diversity among patients from different racial/ethnic backgrounds affect personalized medicine?

Conclusion

The study found that conventional racial/ethnic labels are not useful for individual genetic analysis in clinical settings.

Supporting Evidence

  • The study included a diverse sample of 977 patients from a major medical center in New York City.
  • Genetic analysis revealed substantial variation in ancestry among African American and Hispanic patients.
  • The findings suggest that traditional racial/ethnic categories do not accurately reflect genetic diversity.

Takeaway

This study shows that people from different backgrounds can have very mixed genetic traits, making it hard to use simple labels like 'black' or 'white' to understand their health.

Methodology

The study genotyped 1030 self-identified patients using the Affymetrix 6.0 gene array chip and analyzed genetic diversity across different racial/ethnic groups.

Potential Biases

The reliance on self-identified racial/ethnic categories may introduce bias in understanding genetic diversity.

Limitations

The study's findings may not be generalizable to all urban centers in the US due to varying racial/ethnic compositions.

Participant Demographics

Participants included 324 African Americans, 326 European Americans, and 327 Hispanics, with a mean age of approximately 52 years.

Digital Object Identifier (DOI)

10.1371/journal.pone.0019166

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