Searchable abstracts of presentations at key conferences in endocrinology

ea0026p346 | Obesity | ECE2011

AM251, a CB1 receptor antagonist, increases GLUT4 expression in adipocytes

Furuya D T , Poletto A C , Freitas H S , Machado U F

Evidences have suggested that the endocannabinoid system is overactive in obesity, resulting in enhanced endocannabinoid levels in both circulation and visceral adipose tissue. The cannabinoid CB1 receptor is expressed in the adipose tissue besides the brain. Few studies in vitro suggest that CB1 activation increases glucose uptake in adipocytes. The objective of the present study was to investigate the CB1 receptor modulation on glucose transporter GLUT4 expression, which is ...

ea0026p358 | Steroid metabolism | ECE2011

Chronic effect of 17β estradiol on GLUT4 expression in 3T3-L1 adipocytes

Campello R S , Poletto A C , Furuya D T , Mori R C T , Machado U F

Introduction: Insulin resistance results from a combination of genetic and environmental factors and it may be considered the primary cause of the development of metabolic disorders, such as type 2 diabetes mellitus. It is characterized by a reduced ability of insulin sensitivity tissues to respond to normal levels of the hormone. In these tissues, glucose transport stimulated by insulin occurs through the glucose transporter 4 and alterations in its expression are related to ...

ea0026p359 | Nuclear receptors | ECE2011

Oleic and linoleic fatty acids reduce the SLC2A4 gene expression: the involvement of the NFkappaB and HIF-1a transcriptional factors

Poletto A C , Furuya D T , dos Santos R A , Anhe G F , Silva A D , Campello R S , Machado U F

Introduction: High circulating levels of some but not all unsaturated fatty acids (UFAs) can be related with reduced insulin sensitivity and glucose uptake in skeletal muscle. The real mechanisms by which UFAs impair the insulin sensitivity need to be clarified; nevertheless the UFA’s effects in the regulation of activity and/or expression of some transcriptional factors such as, nuclear factor κB (NFκB), hypoxia inducible factor-1a (HIF-1a), peroxisome prolifer...