In animals, kisspeptin has been shown to play a role in reproduction as well. In seasonally breeding rodents, such as the Siberian hamster, researchers have shown that shorter days lead to diminished production of kisspeptin, which is accompanied by the loss of the reproductive urge. Injecting the hormone into the animals in winter restores the ability to mate.
Read more: http://www.tdn.com/articles/2009/05/05/this_day/doc49ff7321056b6044759653.txt
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