Abstract
Insulin is the main glucoregulator that promotes the uptake of glucose by tissues and the subsequent utilization of glucose as an energy source. In this paper, we describe a novel glucoregulator, the alpha-synuclein (SNCA) protein, that has previously been linked to Parkinson’s disease. Treatment with recombinant SNCA promotes glucose uptake in vitro in preadipocytes and in vivo in the adipose tissues and skeletal muscles of mice through the LPAR2/Gab1/PI3K/Akt pathway; these effects occur independently of the insulin receptor. This function of SNCA represents a new mechanistic insight that creates novel avenues of research with respect to the process of glucose regulation.
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Acknowledgments
This project was supported by the Grant-in-Aid for Scientific Research and the Ministry of Education, Culture, Sports, Science and Technology of the Japanese Government (Monbukagakusho).
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The authors declare that they have no competing financial interests with respect to this study.
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Rodriguez-Araujo, G., Nakagami, H., Hayashi, H. et al. Alpha-synuclein elicits glucose uptake and utilization in adipocytes through the Gab1/PI3K/Akt transduction pathway. Cell. Mol. Life Sci. 70, 1123–1133 (2013). https://doi.org/10.1007/s00018-012-1198-8
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DOI: https://doi.org/10.1007/s00018-012-1198-8