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      Berberine, an isoquinoline alkaloid, inhibits streptozotocin-induced apoptosis in mouse pancreatic islets through down-regulating Bax/Bcl-2 gene expression ratio

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      Food Chemistry
      Elsevier BV

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          Abstract

          Diabetes may cause apoptosis in pancreatic islets. Berberine is an isoquinoline alkaloid used for its pharmacological functions including anti-inflammation. However, the berberine effect on pancreatic islets is still not clear. This study is aimed at clarifying the protective mechanism in berberine against islet cell apoptosis. This study established in vitro experimental models using streptozotocin (STZ)-treated primary pancreatic islet cells from ICR mice to unravel the protective mechanism of berberine on islets. The Bax/Bcl-2 (pro-/anti-apoptotic) genes expression in the islets was determined using real-time quantitative polymerase chain reaction assay. The results showed that berberine administration at one time or before STZ-stimulation significantly (P<0.05) down-regulated the Bax/Bcl-2 genes expression ratio, compared to those in STZ-treatment alone group. Our results suggest that berberine's anti-apoptotic effect on pancreatic primary islets is through down-regulating the Bax/Bcl-2 genes expression ratio in both concurrent and preventive manners.

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          Author and article information

          Journal
          Food Chemistry
          Food Chemistry
          Elsevier BV
          03088146
          May 2012
          May 2012
          : 132
          : 1
          : 252-260
          Article
          10.1016/j.foodchem.2011.10.065
          26434288
          9ea1b2d4-45fb-4937-bade-cb56c414eb9a
          © 2012

          https://www.elsevier.com/tdm/userlicense/1.0/

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