Understanding the Genetic Basis of Transgender Identity

Study Description: The biological basis for transgender identity is unknown, but there does appear to be a genetic component especially involved in sex steroid metabolism in the brain during development. Transgender subjects who enter the study will be asked to provide us with their medical records related to their condition. Transgender individuals and their non transgender family members will also be asked to have a small amount of blood drawn on one occasion. DNA will be directly extracted from a portion of the sample. Additionally, white blood cells will be collected from another portion of the sample to create a permanent cell line. These cells will be frozen for future use in these studies. Occasionally we may also obtain skin cells, cheek cells, discarded tissue from surgery, a semen sample or cell lines that have already been established in a cell bank in NIGMS (National Institute of General Medical Sciences /www.nigms.nih.gov/). We will use these samples to do Whole Exome Sequencing (WES) to discover and study variants in relavent genes and compare to non transgender control subjects.

Contact for Enrollment

     (706) 721-7591

    Submit Information Online

Principal Investigator: Lawrence Layman

Eligibility Criteria: Subjects will be chosen who are transgender. Controls will be subjects who are either non-transgender family members or unrelated persons. Any available and interested subject can participate (16 years of age and older, races, and genders).

Compensation: No, subjects will not be compensated.


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