Inactivating KISS1 mutation and hypogonadotropic hypogonadism.
Topaloglu. A Kemal AK; Tello. Javier A JA; Kotan. L Damla LD; Ozbek. Mehmet N MN; Yilmaz. M Bertan MB; Erdogan. Seref S; Gurbuz. Fatih F; Temiz. Fatih F; Millar. Robert P RP; Yuksel. Bilgin B
Key Findings
- An inactivating KISS1 mutation was identified in a large consanguineous family
- The mutation leads to hypogonadotropic hypogonadism and failure of pubertal progression
- This is the first human loss‑of‑function evidence confirming kisspeptin’s crucial role in puberty and reproduction
Practical Outcomes
- For biohackers, the study confirms kisspeptin’s central role in triggering GnRH and downstream sex hormones. It doesn’t provide dosing or protocol guidance, but suggests that any kisspeptin‑based interventions could affect fertility or hormone balance, so further research is needed before practical use.
Summary
A genetic mutation that disables the kisspeptin protein caused a family to fail puberty, proving that functional kisspeptin is essential for the hormone signals that start reproduction.
Abstract
Gonadotropin-releasing hormone (GnRH) is the central regulator of gonadotropins, which stimulate gonadal function. Hypothalamic neurons that produce kisspeptin and neurokinin B stimulate GnRH release. Inactivating mutations in the genes encoding the human kisspeptin receptor (KISS1R, formerly called GPR54), neurokinin B (TAC3), and the neurokinin B receptor (TACR3) result in pubertal failure. However, human kisspeptin loss-of-function mutations have not been described, and contradictory findings have been reported in Kiss1-knockout mice. We describe an inactivating mutation in KISS1 in a large consanguineous family that results in failure of pubertal progression, indicating that functional kisspeptin is important for puberty and reproduction in humans. (Funded by the Scientific and Technological Research Council of Turkey [TÜBİTAK] and others.).
Study Information
pubmed
2012
2012-02-16T00:00:00.000Z
10.1056/nejmoa1111184