Influences of Extract of Peony Radix Alba on Behavior and Hypothalamic-pituitary-adrenocortical Axis in Depressive Rats Model with Damaged Olfactory Bulb
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Influences of Extract of Peony Radix Alba on Behavior and Hypothalamic-pituitary-adrenocortical Axis in Depressive Rats Model with Damaged Olfactory Bulb
Chinese Journal of Experimental Traditional Medical FormulaeVol. 17, Issue 3, Pages: 155-158(2011)
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Published:2011
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WANG Jing-xia, ZHANG Jian-jun, MIAO Chun-ping, et al. Influences of Extract of Peony Radix Alba on Behavior and Hypothalamic-pituitary-adrenocortical Axis in Depressive Rats Model with Damaged Olfactory Bulb[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(3): 155-158.
DOI:
WANG Jing-xia, ZHANG Jian-jun, MIAO Chun-ping, et al. Influences of Extract of Peony Radix Alba on Behavior and Hypothalamic-pituitary-adrenocortical Axis in Depressive Rats Model with Damaged Olfactory Bulb[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(3): 155-158.DOI:
Influences of Extract of Peony Radix Alba on Behavior and Hypothalamic-pituitary-adrenocortical Axis in Depressive Rats Model with Damaged Olfactory Bulb
Objective: To investigate the influences of extract from Peony Radix Alba on the behavioral and hypothalamic-pituitary-adrenocortical (HPA) axis changes in rats with damaged olfactory bulb (DOB). Method: The tests of open-field and step-down passive avoidance were used to observe the behaviors of rats. Radioimmunoassay (RIA) was used to analyze the level of corticotropin releasing hormone (CRH) in hypothalamus
adrenocorticotropic hormone (ACTH) in pituitary gland and cortisol (CORT) in serum of rats with DOB. Result: The rats had a characteristic hyperactivity in the test of "open-field" and learning deficits in step-down passive avoidance (P<0.05)
and their levels of CRH
ACTH and CORT increased significantly (P<0.05). The extract of Peony Radix Alba at the dose of 70
35 mg ·kg-1 corrected the behavioral changes (P<0.05) and decreased the levels of CRH
ACTH and CORT (P<0.05). Conclusion: The extract of Peony Radix Alba can correct behavioral changes in rats with DOB
and its regulating effect on HPA axis is one of the mechanisms for treating depression.