Publications by authors named "Maria A Gonzalez-Zavala"

Background And Aims: Obesity is a complex, chronic, and multifactorial disease that has become a major, and worldwide, public health problem contributing to an increased number of pathologies, including type 2 diabetes, cardiovascular disease, hyperlipidemia, and metabolic syndrome, thus suggesting a commolon origin. A diet high in sugar and fats coupled with a sedentary lifestyle has a major role in the development of obesity. However, the genetic background has also been associated with body fat accumulation.

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Moxonidine centrally inhibits the sympathetic activity through the I1-imidazoline receptor and nitric oxide. In addition, inhibits the peripheral cardiac sympathetic outflow by α2-adrenoceptors/I1-imidazoline receptors, although the role of α2-adrenoceptor subtypes or nitric oxide in the cardiac sympatho-inhibition induced by moxonidine are unknown. Therefore, the cardiac sympatho-inhibition induced by moxonidine (10μg/kgmin) was evaluated before and after of the treatment with the following antagonists/inhibitor: (1) BRL 44408, (300μg/kg, α2A), imiloxan, (3000μg/kg, α2B), and JP-1302, (300μg/kg, α2C), in animals pretreated with AGN 192403 (3000μg/kg, I1 antagonist); (2) N(ω)-nitro-l-arginine methyl ester (l-NAME; 34, 100, and 340μg/kgmin); and (3) the combinations of the highest dose of l-NAME plus AGN 192403 or BRL 44408.

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Obesity is currently considered an inflammatory condition associated with autoimmune diseases, suggesting a common origin. Among other factors, candidate genes may explain the development of this disease. Polymorphisms in the tumor necrosis factor α (TNFα) and lymphoid protein tyrosine phosphatase (PTPN22) genes lead to an increased risk to development of immune and inflammatory diseases.

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