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Serum brain-derived neurotrophic factor (BDNF) is not regulated by testosterone in transmen

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Auer,  Matthias K.
Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Stalla,  Günter K.
Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Citation

Auer, M. K., Hellweg, R., Briken, P., Stalla, G. K., T'Sjoen, G., & Fuss, J. (2016). Serum brain-derived neurotrophic factor (BDNF) is not regulated by testosterone in transmen. BIOLOGY OF SEX DIFFERENCES, 7: 1. doi:10.1186/s13293-015-0055-5.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-0BA1-E
Abstract
Brain morphology significantly differs between the sexes. It has been shown before that some of these differences are attributable to the sex-specific hormonal milieu. Brain-derived neurotrophic factor (BDNF) is involved in myriads of neuroplastic processes and shows a sexual dimorphism. Transsexual persons may serve as a model to study sex steroid-mediated effects on brain plasticity. We have recently demonstrated that serum levels of BDNF are reduced in transwomen following 12 months of cross-sex hormone treatment. We now wanted to look at the effects of testosterone treatment on BDNF in transmen. In contrast to our initial hypothesis, BDNF levels did not significantly change, despite dramatic changes in the sex-hormonal milieu. Our data indicate that testosterone does not seem to play a major role in the regulation of BDNF in females.