AI Article Synopsis
- Recent studies indicate that reproductive hormones have functions beyond the hypothalamus-pituitary-gonad axis, including potential neuroprotective roles.
- In experiments involving ischemia-reperfusion injury in the hippocampus, both in vivo and in vitro models showed that GnRH analogue significantly reduced neuron apoptosis compared to control groups.
- These findings suggest that GnRH analogue could serve as a protective agent for hippocampal neurons under stress conditions, highlighting its potential therapeutic effects.
Article Abstract
The expression and new functions of reproductive hormones in organs beyond hypothalamus-pituitary-gonad axis have been reported. So far, there is no report about the protective effects of GnRH analogue to hippocampal neurons suffering from ischemia-reperfusion injury. Middle cerebral artery occlusion model together with TUNEL staining were made in vivo and oxygen-glucose deprivation model together with double staining of Annexin V/PI with flow cytometer were made in vitro to observe the anti-apoptotic effects of GnRH analogue to hippocampal neurons after ischemia-reperfusion injury. The results found that the number of TUNEL positive pyramidal neurons in CA1 region in GnRH analogue experiment group was less than that in control group in vivo; the percentage of apoptotic neurons in GnRH analogue experiment group was less than that in control group in vitro. These findings suggested that pretreatment with certain concentration of GnRH analogue could attenuate apoptosis of hippocampal neurons. GnRH analogue has the protective effects to neurons.
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| http://dx.doi.org/10.1007/s10735-010-9300-8 | DOI Listing |
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