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Study on correlation of glucagons, type 2 diabetes and impaired glucose regulation / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 2356-2363, 2014.
Artigo em Chinês | WPRIM | ID: wpr-330290
ABSTRACT
<p><b>OBJECTIVE</b>To analyze the changes of patients with type 2 diabetes in different stages in glucagon (GC) and free fatty acid (FFA) in fasting, OGT and L-Arg experiments, and discusses the role of pancreatic alphabeta cells in diabetes pathogenesis by studying the relations among indexes such as glucagon (GC), free fatty acid (FFA) and blood glucose (BG), insulin, insulin homeostasis model (HOMA) and glucose metabolism hormone secretion curve, in order to provide theoretical basis for the treatment of diabetes.</p><p><b>METHOD</b>Study objects were divided into the T2DM group (45 cases), the IGT group (28 cases) and the NGT group (30 cases) for an OGTT experiment and then an L-Arg experiment on the next day. Under the fasting state, their blood glucose (FBG), insulin (F), glucagon (FGC), free fatty acid (FFA) were detected to calculate HOMA-beta, insulin sensitivity index (ISI) and HOMA-IR of different groups. Meanwhile, efforts were made to calculate different time quantum detected in OGTT and L-Arg experiments and area under the curve AUC(BG), AUC(INS) and AUC(GC).</p><p><b>RESULT</b>Obvious overall differences were observed in FFA and FGC of the three groups. FGC of each group was negatively correlated with HOMA-beta and ISI. Among all of the 103 study objects, FGC was positively correlated with FBG and HOMA-IR and negatively correlated with HOMA-beta and ISI, with no correlation with FINS; FFA was positively correlated with FBG, HOMA-IR and negatively correlated with FINS, HOMA-beta, ISI. FGC and FFA were positively correlated in the T2DM group and the IGT group, but with no statistical correlation in the NGT group. The sequence of the three study objects was T2DM > IGR > NGT in AUC(GC) in the OGTT experiment and T2DM > IGR > NGT in in AUC(GC) in the L-Arg experiment, with the significant positive correlation between AUC(GC) and AUC(BG) and significant negative correlation with AUC(INS).</p><p><b>CONCLUSION</b>Glucagon and free fatty acid of T2DM and IGT patients increased, which was positively correlated with blood glucose and HOMA-IR and negatively correlated with INS, HOMA-beta and ISI. The increase in glucagons of T2DM and IGT patients indicated inappropriate secretion of pancreatic alphabeta cells among patients with type 2 diabetes.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Sangue / Glicemia / Glucagon / Ilhotas Pancreáticas / Secreções Corporais / Diabetes Mellitus Tipo 2 / Ácidos Graxos não Esterificados / Insulina / Metabolismo Tipo de estudo: Estudo prognóstico Limite: Adulto / Feminino / Humanos / Masculino Idioma: Chinês Revista: China Journal of Chinese Materia Medica Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Sangue / Glicemia / Glucagon / Ilhotas Pancreáticas / Secreções Corporais / Diabetes Mellitus Tipo 2 / Ácidos Graxos não Esterificados / Insulina / Metabolismo Tipo de estudo: Estudo prognóstico Limite: Adulto / Feminino / Humanos / Masculino Idioma: Chinês Revista: China Journal of Chinese Materia Medica Ano de publicação: 2014 Tipo de documento: Artigo