February 24, 2026 · Reproductive biology and endocrinology : RB&E · DOI: 10.1186/s12958-026-01536-x

In vitro differentiation of the hypothalamic KNDy neuron, a master regulator for reproduction, from mouse embryonic stem cells

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The authors aimed to establish a method for differentiating hypothalamic KNDy neurons from mouse embryonic stem cells (mESCs) to create cellular models for studying reproductive disorders linked to KNDy peptide deficiencies. They successfully generated kisspeptin-expressing cells and demonstrated their functionality through kisspeptin secretion, providing a foundation for future research into the mechanisms regulating reproduction and potential therapeutic interventions. This study represents the first successful differentiation of KNDy neurons from pluripotent stem cells.

Natsuki Miyake, Hidetaka Suga, Satoko Osuka, Tomomi Seki, Reina Sonehara, Ayako Muraoka, Tomoko Nakamura, None Bayasula, Tsutomu Miwata, Mika Soen, Mayu Sakakibara, Shiori Go, Saki Hasegawa, Naoko Inoue, Yoshihisa Uenoyama, Hiroko Tsukamura, Hiroshi Arima, Hiroaki Kajiyama

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