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https://hdl.handle.net/10316/33276
Título: | The incretin abc's in helath and disease-novel approaches to obesity and diabetes treatment | Autor: | João, Ana Luísa de Natividade Faria | Orientador: | Fernandes, Rosa Cristina Simões Reis, Flávio Nelson Fernandes |
Palavras-chave: | Incretin-based therapies; Glucagon-like peptide-1 (GLP-1); Dipeptidyl peptidase-4 (DPP-4); Obesity; Type 2 diabetes mellitus (T2DM),; Bariatric surgery; Inflammation | Data: | Jan-2016 | Resumo: | Abstract Incretins are gastrointestinal-derived hormones released in response to a meal that play a key role in the regulation of postprandial secretion of insulin (incretin effect) and glucagon by the pancreas. Both incretins, glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) have several other actions. GLP-1 regulates body weight by inhibiting appetite and delaying gastric emptying, actions that are dependent on central nervous system GLP-1 receptor activation. Several other hormones and gut peptides, including leptin and ghrelin, interact with GLP-1 to modulate appetite. GLP-1 is labile, being rapidly degraded by dipeptidyl peptidase-4 (DPP-4), a multifunction molecule whose role in obesity dynamics extends beyond incretin metabolism. DPP-4 is involved in adipose tissue inflammation, which is a pivotal event in insulin resistance and a key pathophysiological mechanism in the genesis of obesity-related complications. Furthermore, the incretin system appears to provide the basis for understanding the high weight loss efficacy of bariatric surgery, a current employed obesity treatment that also benefits diabetes. The present review brings together new insights into obesity pathogenesis, integrating GLP-1 and DPP-4 in the complex interplay between obesity epidemics and inflammation, namely in diabetic patients. This will in turn provide the basis for new perspectives regarding GLP-1 receptor agonists and DPP-4 inhibitors therapeutic potential. | Descrição: | Trabalho de revisão do 6º ano médico com vista á atribuição do grau de mestre (área científica de farmacologia) no âmbito do ciclo de estudos de Mestrado Integrado em Medicina. | URI: | https://hdl.handle.net/10316/33276 | Direitos: | openAccess |
Aparece nas coleções: | UC - Dissertações de Mestrado FMUC Medicina - Teses de Mestrado |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Ana Luísa João FMUC 2016.pdf | Ana Luísa João FMUC 2016 | 1.05 MB | Adobe PDF | Ver/Abrir |
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