Synergistic effect of selenium and melatonin on neuroprotection in cerebral ischemia in rats

Ajmal Ahmad, Mohd Moshahid Khan, Tauheed Ishrat, Mohammad Badruzzaman Khan, Gulrana Khuwaja, Syed Shadab Raza, Pallavi Shrivastava, Fakhrul Islam

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The synergistic scavenger effects of selenium and melatonin collectively we called Se-Mel was studied on the prevention of neuronal injury induced by ischemia/reperfusion. Male Wistar rats were treated with sodium selenite (0.1 mg/kg, i.p.) and melatonin (10 mg/kg, i.p.) 30 min before the middle carotid artery occlusion (MCAO) and immediately after MCAO to male Wistar rats and was continued for 3 days once daily at the interval of 24 h. Behavioral activity (spontaneous motor activity and motor deficit) was improved in Se-Mel-treated rats as compared to MCAO group rats. The level of glutathione and the activity of antioxidant enzymes was depleted significantly while the content of thiobarbituric acid reactive substances, protein carbonyl, and nitric oxide radical (NO) was increased significantly in MCAO group. Systemic administration of Se-Mel ameliorated oxidative stress and improves ischemia/reperfusion-induced focal cerebral ischemia. Se-Mel also inhibited inducible nitric oxide synthase expression in Se-Mel+MCAO group as compared to MCAO group rats. Thus, Se-Mel has shown an excellent neuroprotective effect against ischemia/reperfusion injury through an anti-ischemic pathway. In conclusion, we demonstrated that the pretreatment with Se-Mel at the onset of reperfusion, reduced post-ischemic damage, and improved neurological outcome following transient focal cerebral ischemia in male Wistar rat.

Original languageEnglish (US)
Pages (from-to)81-96
Number of pages16
JournalBiological Trace Element Research
Volume139
Issue number1
DOIs
StatePublished - Jan 1 2011

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Melatonin
Selenium
Brain Ischemia
Carotid Arteries
Rats
Wistar Rats
Reperfusion Injury
Reperfusion
Sodium Selenite
Oxidative stress
Thiobarbituric Acid Reactive Substances
Transient Ischemic Attack
Neuroprotective Agents
Nitric Oxide Synthase Type II
Glutathione
Neuroprotection
Nitric Oxide
Motor Activity
Oxidative Stress
Ischemia

Keywords

  • Middle carotid artery occlusion
  • Neurobehavior
  • Neuroprotection
  • Oxidative stress
  • Se-Mel

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Clinical Biochemistry
  • Inorganic Chemistry
  • Biochemistry, medical

Cite this

Synergistic effect of selenium and melatonin on neuroprotection in cerebral ischemia in rats. / Ahmad, Ajmal; Khan, Mohd Moshahid; Ishrat, Tauheed; Khan, Mohammad Badruzzaman; Khuwaja, Gulrana; Raza, Syed Shadab; Shrivastava, Pallavi; Islam, Fakhrul.

In: Biological Trace Element Research, Vol. 139, No. 1, 01.01.2011, p. 81-96.

Research output: Contribution to journalArticle

Ahmad, A, Khan, MM, Ishrat, T, Khan, MB, Khuwaja, G, Raza, SS, Shrivastava, P & Islam, F 2011, 'Synergistic effect of selenium and melatonin on neuroprotection in cerebral ischemia in rats', Biological Trace Element Research, vol. 139, no. 1, pp. 81-96. https://doi.org/10.1007/s12011-010-8643-z
Ahmad, Ajmal ; Khan, Mohd Moshahid ; Ishrat, Tauheed ; Khan, Mohammad Badruzzaman ; Khuwaja, Gulrana ; Raza, Syed Shadab ; Shrivastava, Pallavi ; Islam, Fakhrul. / Synergistic effect of selenium and melatonin on neuroprotection in cerebral ischemia in rats. In: Biological Trace Element Research. 2011 ; Vol. 139, No. 1. pp. 81-96.
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