Abstract Title:

In vitro effects of fermented papaya (Carica papaya, L.) on platelets obtained from patients with type 2 diabetes.

Abstract Source:

Nutr Metab Cardiovasc Dis. 2015 Feb ;25(2):224-9. Epub 2014 Nov 1. PMID: 25511784

Abstract Author(s):

F Raffaelli, L Nanetti, G Montecchiani, F Borroni, E Salvolini, E Faloia, G Ferretti, L Mazzanti, A Vignini

Article Affiliation:

F Raffaelli

Abstract:

BACKGROUND AND AIM: Oxidative stress is associated with insulin resistance pathogenesis, insulin secretion deficiency, and complication onset. Fermented papaya preparation (FPP), a dietary supplement obtained by fermentation of the papaya fruit, may be used as an antioxidant in the prevention of diabetic complications.

METHODS AND RESULTS: Platelets from 30 patients with type 2 diabetes mellitus (DM 2) and 15 healthy subjects were analyzed to evaluate the in vitro effects of FPP incubation. Na(+)/K(+)-adenosine triphosphatase (ATPase) activity, membrane fluidity, total antioxidant capacity (TAC), superoxide dismutase (SOD) activity, and conjugated diene levels were determined. In vitro FPP incubation improved platelet function, by enhancing Na(+)/K(+)-ATPase activity and membrane fluidity, and ameliorated the antioxidant system functionality, through an increase in TAC and SOD activity and a parallel decrease in conjugated diene levels in patients with DM 2.

CONCLUSION: Our data suggest that the incubation with FPP may have a protective effect on platelets from patients with DM 2, by preventing the progression of oxidative damage associated with diabetes and its complications.

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