Functional Integration of Different-Sex Gonad Transplants into the Adult Mouse Hypothalamic Pituitary Gonadal Axis.

Gender-affirming hormone therapy (GAHT) relies on exogenous hormones to produce hormonal milieus that achieve and/or maintain embodiment goals. Another potential route to these endpoints is transplantation of novel steroidogenic tissue. To develop a pre-clinical model, we asked whether different-sex gonad transplants can be functionally integrated into the adult mouse hypothalamic-pituitary-gonadal (HPG) axis.