Effect of short-term food deprivation on reproduction in female mice.
F. H. Bronson,F A Marsteller +1 more
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The results are discussed in terms of the complexity of interacting factors that determine the degree to which each stage of the female's reproductive cycle is susceptible to disruption by acute food deprivation.Abstract:
CF-1 female mice were subjected to 24 or 48 h of food deprivation beginning when they were in estrus or diestrus, or when they were 2 or 12 days pregnant, or on Days 2 or 12 of lactation. Ovulation was delayed by a week or more when 48 h of food deprivation was initiated when the female was in diestrus; lesser delays occurred when food deprivation began in estrus. There was little effect of acute food deprivation on pregnancy. Most females deprived of food beginning on Day 2 of lactation ate their young, but females deprived on Day 12 of lactation rarely did so. These results are discussed in terms of the complexity of interacting factors that determine the degree to which each stage of the female's reproductive cycle is susceptible to disruption by acute food deprivation.read more
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Journal ArticleDOI
Role of leptin in the neuroendocrine response to fasting
Rexford S. Ahima,Daniel Prabakaran,Christos S. Mantzoros,Daqing Qu,Bradford B. Lowell,Eleftheria Maratos-Flier,Jeffrey S. Flier +6 more
TL;DR: It is proposed that regulation of the neuroendocrine system during starvation could be the main physiological role of leptin, and preventing the starvation-induced fall in leptin with exogenous leptin substantially blunts the changes in gonadal, adrenal and thyroid axes in male mice, and prevents the starve-induced delay in ovulation in female mice.
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