Abstract
Recent findings from several groups demonstrate that ABC-A1 participates in the pathogenesis of the metabolic syndrome and type 2 diabetes. A variant of the ABC-A1 gene (R230C) is associated with the metabolic syndrome and its co-morbidities in Mexicans. Its presence is associated with an increased risk for obesity, the metabolic syndrome and type 2 diabetes. R230C is found exclusively in Amerindian and Amerindian-derived populations. Moreover, animal models confirm the participation of ABC-A1 in the pathogenesis of diabetes. Mice lacking AbcA1 specifically in beta cells had glucose intolerance at 8 weeks of age. The absence of ABC-A1 led to cholesterol accumulation within the beta cell plasma membrane, suggesting that cholesterol may play a role in the insulin secretory pathway. In conclusion, ABC-A1 may be more than a determinant of HDL-cholesterol. It may provide a link between components of the metabolic syndrome and atherosclerosis.
Keywords: ABC A1, Metabolic syndrome, Mexico, Abdominal obesity, LXR
Current Diabetes Reviews
Title: The ATP-Binding Cassette Transporter Subfamily A Member 1 (ABC-A1) and Type 2 Diabetes: An Association Beyond HDL Cholesterol
Volume: 3 Issue: 4
Author(s): Carlos A. Aguilar Salinas, Ivette Cruz-Bautista, Roopa Mehta, Ma T. Villarreal-Molina, Francisco J. G. Perez, Ma T. Tusie-Luna and Samuel Canizales-Quinteros
Affiliation:
Keywords: ABC A1, Metabolic syndrome, Mexico, Abdominal obesity, LXR
Abstract: Recent findings from several groups demonstrate that ABC-A1 participates in the pathogenesis of the metabolic syndrome and type 2 diabetes. A variant of the ABC-A1 gene (R230C) is associated with the metabolic syndrome and its co-morbidities in Mexicans. Its presence is associated with an increased risk for obesity, the metabolic syndrome and type 2 diabetes. R230C is found exclusively in Amerindian and Amerindian-derived populations. Moreover, animal models confirm the participation of ABC-A1 in the pathogenesis of diabetes. Mice lacking AbcA1 specifically in beta cells had glucose intolerance at 8 weeks of age. The absence of ABC-A1 led to cholesterol accumulation within the beta cell plasma membrane, suggesting that cholesterol may play a role in the insulin secretory pathway. In conclusion, ABC-A1 may be more than a determinant of HDL-cholesterol. It may provide a link between components of the metabolic syndrome and atherosclerosis.
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Aguilar Salinas A. Carlos, Cruz-Bautista Ivette, Mehta Roopa, Villarreal-Molina T. Ma, Perez J. G. Francisco, Tusie-Luna T. Ma and Canizales-Quinteros Samuel, The ATP-Binding Cassette Transporter Subfamily A Member 1 (ABC-A1) and Type 2 Diabetes: An Association Beyond HDL Cholesterol, Current Diabetes Reviews 2007; 3 (4) . https://dx.doi.org/10.2174/157339907782329979
DOI https://dx.doi.org/10.2174/157339907782329979 |
Print ISSN 1573-3998 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6417 |
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