期刊
BEHAVIOURAL PHARMACOLOGY
卷 25, 期 1, 页码 71-79出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/FBP.0000000000000013
关键词
fluoxetine; Lactobacillus rhamnosus; locomotor activity; mice; OCD; open field; perseveration; probiotics; RU 24969; SRI
资金
- Department of Biological Sciences
- College of Arts and Sciences at Lehigh University, Bethlehem, Pennsylvania
Two experiments examined probiotic pretreatment (Lactobacillus rhamnosus GG) on obsessive-compulsive disorder (OCD)-like behavior induction by RU 24969 in BALB/cJ house mice. In the first experiment, two groups were defined by their daily pretreatment by oral gavage of either (a) L. rhamnosus (1x10(9) CFU/day) or (b) the saline vehicle. Both a 2- and 4-week probiotic pretreatment attenuated OCD-like behavior induction (increased perseverative open-field locomotion, stereotypic turning, and marble burying) relative to saline pretreatment. Experiment 2 re-examined the 2-week probiotic pretreatment while also comparing it to a 4-week fluoxetine pretreatment. Again, groups were defined by daily pretreatment of either (a) L. rhamnosus for 2 weeks, (b) the saline vehicle for 2 weeks, or (c) fluoxetine (10 mg/kg) for 4 weeks. Pretreatment by either L. rhamnosus or fluoxetine blocked the induction of OCD-like behavior compared with saline pretreatment. Thus the 2-week probiotic pretreatment was again effective. Although side effects of fluoxetine or L. rhamnosus on androgen-dependent behaviors could not be demonstrated, L. rhamnosus treatment appeared comparable to fluoxetine treatment in attenuating mouse OCD-like behaviors.
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