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GLP-1 reduces metalloproteinase-9 induced by both hyperglycemia and hypoglycemia in type 1 diabetes. The possible role of oxidative stress

Authors Ceriello A, La Sala L, De Nigris V, Pujadas G, Rondinelli M, Genovese S

Received 21 February 2015

Accepted for publication 20 March 2015

Published 4 June 2015 Volume 2015:11 Pages 901—903


Checked for plagiarism Yes

Editor who approved publication: Professor Garry Walsh

Antonio Ceriello,1,2 Lucia La Sala,1 Valeria De Nigris,1 Gemma Pujadas,1 Maurizio Rondinelli,3 Stefano Genovese3

1Institut d’Investigación Biomédiques August Pi i Sunyer (IDIBAPS), 2Centro de Investigación Biomedica en Red de Diabetes y Enfermedades Metabolicas Asociadas (CIBERDEM), Hospital Clinic, Barcelona, Spain; 3Department of Cardiovascular and Metabolic Diseases, IRCCS Gruppo Multimedica, Sesto San Giovanni (MI), Italy

Dear editor

MMP-9 has been involved in favoring cardiovascular disease, and evidence suggests that oxidative stress favors its release. Previous studies demonstrated that during both acute hyperglycemia and hypoglycemia an oxidative stress is produced in type 1 diabetes. On the other hand, GLP-1 has shown an antioxidant power. In this study an acute hyperglycemia and hypoglycemia, with or without the simultaneous infusion of GLP-1, were produced. During both hyperglycemia and hypoglycemia, an acute increase of MMP-9 and 8-iso-PGF2α plasma levels was observed. GLP-1 significantly reduced this increase. This study suggests that metalloproteinase-9 is activated by acute hyperglycemia and hypoglycemia because they generate an oxidative stress and that GLP-1 counteracts this effect.

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