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Erratum Free access | 10.1172/JCI77652

Leptin-dependent neuronal NO signaling in the preoptic hypothalamus facilitates reproduction

Nicole Bellefontaine, Konstantina Chachlaki, Jyoti Parkash, Charlotte Vanacker, William Colledge, Xavier d’Anglemont de Tassigny, John Garthwaite, Sebastien G. Bouret, and Vincent Prevot

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Published August 1, 2014 - More info

Published in Volume 124, Issue 8 on August 1, 2014
J Clin Invest. 2014;124(8):3678–3678. https://doi.org/10.1172/JCI77652.
© 2014 The American Society for Clinical Investigation
Published August 1, 2014 - Version history
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Leptin-dependent neuronal NO signaling in the preoptic hypothalamus facilitates reproduction
Nicole Bellefontaine, … , Sebastien G. Bouret, Vincent Prevot
Nicole Bellefontaine, … , Sebastien G. Bouret, Vincent Prevot
Research Article

Leptin-dependent neuronal NO signaling in the preoptic hypothalamus facilitates reproduction

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Abstract

The transition to puberty and adult fertility both require a minimum level of energy availability. The adipocyte-derived hormone leptin signals the long-term status of peripheral energy stores and serves as a key metabolic messenger to the neuroendocrine reproductive axis. Humans and mice lacking leptin or its receptor fail to complete puberty and are infertile. Restoration of leptin levels in these individuals promotes sexual maturation, which requires the pulsatile, coordinated delivery of gonadotropin-releasing hormone to the pituitary and the resulting surge of luteinizing hormone (LH); however, the neural circuits that control the leptin-mediated induction of the reproductive axis are not fully understood. Here, we found that leptin coordinated fertility by acting on neurons in the preoptic region of the hypothalamus and inducing the synthesis of the freely diffusible volume-based transmitter NO, through the activation of neuronal NO synthase (nNOS) in these neurons. The deletion of the gene encoding nNOS or its pharmacological inhibition in the preoptic region blunted the stimulatory action of exogenous leptin on LH secretion and prevented the restoration of fertility in leptin-deficient female mice by leptin treatment. Together, these data indicate that leptin plays a central role in regulating the hypothalamo-pituitary-gonadal axis in vivo through the activation of nNOS in neurons of the preoptic region.

Authors

Nicole Bellefontaine, Konstantina Chachlaki, Jyoti Parkash, Charlotte Vanacker, William Colledge, Xavier d’Anglemont de Tassigny, John Garthwaite, Sebastien G. Bouret, Vincent Prevot

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Original citation: J Clin Invest. 2014;124(6):2550–2559. doi:10.1172/JCI65928.

Citation for this erratum: J Clin Invest. 2014;124(8):3678. doi:10.1172/JCI77652.

During the preparation of this manuscript, incorrect units were entered for the y axis label of Figure 6C. The correct figure part is below.

Figure 6

The JCI regrets the error.

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