Resveratrol prevents streptozotocin-induced diabetes by inhibiting the apoptosis of pancreatic β-cell and the cleavage of poly(ADP-ribose) polymerase

Cheol Ryong Ku, Hyeon Jeong Lee, Suk Kyoung Kim, Eun Young Lee, Mi Kyung Lee, Eunjig Lee

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Resveratrol (3,5,4′-trihydroxystilbene; RSV) is one kind of polyphenolic phytoalexin that has many effects on metabolic diseases. This study aimed to evaluate the protective effect of RSV pretreatment on β-cell. Male Sprague Dawley rats weighing 200-230 g were divided into 4 groups: (1) RSV; (2) streptozotocin (STZ, 70 mg/kg, intraperitoneally); (3) STZ after 7 days pretreatment with RSV; and (4) STZ pretreated with nicotinamide. Fasting glucose concentration was measured and an intraperitoneal glucose tolerance test was performed 72 h after STZ injection to determine the diabetic condition. The pancreas was removed 3, 6, 36, and 48 h after STZ injection. STZ induced diabetes in all rats not given RSV pretreatment, whereas none of the RSV-pretreated rats developed diabetes. Pretreatment with RSV inhibited apoptosis and reduced the activation of caspase-3 and poly(ADP-ribose) polymerase (PARP). However, expression of the total length PARP was not affected by pretreatment. Our findings suggest that RSV protects β-cells from STZ simultaneously with inhibiting the activation of PARP.

Original languageEnglish
Pages (from-to)103-109
Number of pages7
JournalEndocrine Journal
Volume59
Issue number2
DOIs
Publication statusPublished - 2012 Mar 7

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Experimental Diabetes Mellitus
Poly(ADP-ribose) Polymerases
Apoptosis
Injections
Niacinamide
Metabolic Diseases
Glucose Tolerance Test
Streptozocin
Caspase 3
Sprague Dawley Rats
Pancreas
Fasting
Glucose
resveratrol

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Ku, Cheol Ryong ; Lee, Hyeon Jeong ; Kim, Suk Kyoung ; Lee, Eun Young ; Lee, Mi Kyung ; Lee, Eunjig. / Resveratrol prevents streptozotocin-induced diabetes by inhibiting the apoptosis of pancreatic β-cell and the cleavage of poly(ADP-ribose) polymerase. In: Endocrine Journal. 2012 ; Vol. 59, No. 2. pp. 103-109.
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Resveratrol prevents streptozotocin-induced diabetes by inhibiting the apoptosis of pancreatic β-cell and the cleavage of poly(ADP-ribose) polymerase. / Ku, Cheol Ryong; Lee, Hyeon Jeong; Kim, Suk Kyoung; Lee, Eun Young; Lee, Mi Kyung; Lee, Eunjig.

In: Endocrine Journal, Vol. 59, No. 2, 07.03.2012, p. 103-109.

Research output: Contribution to journalArticle

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