Abstract：
:Intranasal oxytocin produces anorectic effects on snack intake in men when tested in the absence of deprivation-induced hunger, but its effects on food intake in women without eating disorders have not been reported. Oxytocin may reduce food intake by reducing stress eating, since it inhibits ACTH release. The present study adopted a double-blind, repeated measures and fully concealed crossover protocol in which 38 women self-administered 24 IU of oxytocin or placebo intranasally, ate lunch, and underwent two consecutive stress tests. Snack intake was assessed 15-20 min after lunch, via a sham taste test. Salivary cortisol was measured throughout the test period every 15 min. Oxytocin significantly reduced sweet fatty snack intake independently of any effect on salivary cortisol, which declined over time at a similar rate after either drug or placebo. Ratings of sweet taste were slightly reduced by oxytocin, but only in self-reported stress eaters. These results differ from previous studies with men that found an effect of oxytocin on postprandial cortisol levels. However, previous research assayed the less active form of plasma cortisol and did not control for protein intake, which can drive elevated cortisol. The finding that oxytocin reduces snack intake in females after acute stress has important implications for appetite regulation and its treatment in obese people and in those with eating disorders.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Burmester V,Gibson EL,Butler G,Bailey A,Terry Pdoi
10.1016/j.physbeh.2019.112704subject
Has Abstractpub_date
2019-12-01 00:00:00pages
112704eissn
0031-9384issn
1873-507Xpii
S0031-9384(19)30652-3journal_volume
212pub_type
杂志文章,随机对照试验abstract：:This study measured plasma corticosterone levels in male rats during repeated daily presentations of two intensities of restraint stress. The corticosterone response to a stress session was defined as the change from pre-stress levels to levels after 60 minutes of restraint. With the relatively intense stress imposed ...
journal_title：Physiology & behavior
pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Physiology & behavior
pub_type： 杂志文章,随机对照试验
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journal_title：Physiology & behavior
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journal_title：Physiology & behavior
pub_type： 杂志文章
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