Abstract
It was recently reported that ventromedial hypothalamic lesions change the expression of cell proliferation-related genes and morphology-related genes in rat pancreatic islets. This study has examined how gene families involved in metabolism are regulated in rat pancreatic islets after VMH lesions formation. Total pancreatic islets RNA was extracted, and differences in the gene expression profiles between rats at day 3 after VMH lesioning and sham–VMH-lesioned rats were investigated using DNA microarray and real-time polymerase chain reaction. The VMH lesions regulated the genes that are involved in functions related to metabolism in the pancreas islets. Real-time polymerase chain reaction also confirmed that gene expressions of arachidonate 15-lipoxygenase (Alox15) was up-regulated and pancreatic lipase (Pnlip) was downregulated at day 3 after the VMH lesions. Ventromedial hypothalamic lesions may change the expression of multiple metabolism genes in rat pancreatic islets.
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