Saadia Zainab, Umar Ali Khan, Ghulam Mustafa Lodhi, Munazza Asad.
Effect of alpha tocopherol on chronic stress induced derangements inn neuropeptidey on sprague dawley rats.
Pak Armed Forces Med J Jan ;70(3):776-80.

Objective:To determine the chronic stress induced decline in plasma Neuropeptide Y (NPY) level and protective effects of Alpha Tocopherol (AT) on maintenance of Neuropeptide Y level. Study Design: Quasi-experimental study. Place and Duration of Study: The study settings were Al-Nafees Medical College and animal center of National Institute of Health Islamabad (NIH). Duration of research was one year from May 2015 to May 2016. Methodology: After taking approval of institutional review board 45 male Sprague Dawley rats with inclusion criteria were chosen and allocated to three groups comprised of n=15. Group I was control, group II restraint stress and group III (restraint stress with supplementation of alpha-tocopherol). After 28 days of restraining stress induction plasma Neuropeptide Y level was determined by sandwich Enzyme Linked Immunosorbent Assay (ELISA). Results: There was a statistically significant decline (p<0.05) in plasma Neuropeptide Y levels in restraint group as compared to control group and with alpha-tocopherol supplementation group. Conclusion: Chronic restraint stress induction led to decline in Neuropeptide Y levels and alpha-tocopherol prevented fall in Neuropeptide Y levels.

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