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Geniposide Alleviates Depression-Like Behavior via Enhancing BDNF Expression in Hippocampus of Streptozotocin-Evoked Mice

Geniposide Alleviates Depression-Like Behavior via Enhancing BDNF Expression in Hippocampus of Streptozotocin-Evoked Mice

Junming Wang, Peili Duan, Ying Cui, Qing Li, Yanran Shi

Metab Brain Dis. 2016 Oct;31(5):1113-22.

PMID: 27311609

Abstract:

Clinical and preclinical data suggest that diabetes is often psychological complications such as depression. Geniposide (GP), a major compound in Gardenia jasminoides Ellis with both medicinal and nutritional values, has been previously confirmed to exert anti-diabetic and anti-depressive activities. The present study attempted to observe anti-depressive mechanisms of GP in streptozotocin (STZ) evoked diabetic mice by involving brain-derived neurotrophic factor (BDNF), for the first time. Mice were given GP daily (50, and 100 mg/kg, ig) or reference drugs FHMH [fluoxetine hydrochloride (FH, 10 mg/kg, ig) combined with metformin hydrochloride (MH, 100 mg/kg, ig)] for 3 weeks. The forced swimming test (FST) was performed to observe depression-like behavior, and serum and brain tissues were used for neurochemical and fluorescent quantitative reverse transcription PCR analyses. STZ induced excessively increased blood sugar and immobility time in FST, in a manner attenuated by GP and FHMH administration. GP administration further elevated BDNF levels, and up-regulated the mRNA expression of BDNF and tropomyosin-related kinase B (TrkB) in hippocampus of diabetic mice. In addition, STZ induced the excessive level of serum corticosterone (CORT), while GP did not influence on it in diabetic mice. Taken together, these findings indicate that GP can alleviate depression-like behavior in STZ-evoked diabetic mice, and suggest its mechanisms may partially be ascribed to up-regulating BDNF expression in brain.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1674620	Metformin Related Compound B		1674-62-0	Price
AP23580894	Fluoxetine Related Compound B		23580-89-4	Price

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