The Fruiting Bodies, Submerged Culture Biomass, and Acidic Polysaccharide Glucuronoxylomannan of Yellow Brain Mushroom Tremella mesenterica Modulate the Immunity of Peripheral Blood Leukocytes and Splenocytes in Rats with Impaired Glucose Tolerance (original) (raw)

Journal of traditional and complementary medicine, 2014

Abstract

The prevalence of diabetes mellitus (DM), a chronic disease with hyperglycemia and impaired immune function, is increasing worldwide. Progression from impaired glucose tolerance (IGT) to type 2 DM has recently become a target for early intervention. The fruiting bodies (FB) and submerged culture mycelium (CM) of Tremella mesenterica, an edible and medicinal mushroom, have been demonstrated to have antihyperglycemic and immunomodulatory activities in type 1 DM rats. Herein, we investigated the effects of acidic polysaccharide glucuronoxylomannan (GX) extracted from CM on the immunocyte responses. Male Wistar rats were injected with streptozotocin (65 mg/kg) plus nicotinamide (200 mg/kg) for the induction of IGT, and gavaged daily with vehicle, FB, CM, or GX (1 g/kg/day). Rats injected with saline and gavaged vehicle were used as controls. Two weeks later, peripheral blood leukocytes (PBLs) and splenocytes were collected. Ingestion of FB, CM, and GX significantly decreased blood gluco...

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