Decreased Hepatic Phosphatidylinositol-3,4,5-Triphosphate (PIP3) Levels and Impaired Glucose Homeostasis in Type 1 and Type 2 Diabetic Rats
Author(s) -
Prasenjit Manna,
Sushil K. Jain
Publication year - 2012
Publication title -
cellular physiology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.486
H-Index - 87
eISSN - 1421-9778
pISSN - 1015-8987
DOI - 10.1159/000343325
Subject(s) - glut2 , medicine , endocrinology , glucose homeostasis , protein kinase b , phosphatidylinositol , phosphorylation , inositol , biology , homeostasis , signal transduction , chemistry , glucose transporter , insulin , biochemistry , insulin resistance , receptor
Phosphatidylinositol-3,4,5-triphosphate (PIP3) and phosphatidylinositol-4,5-biphosphate (PIP2) are two well-known lipid second messengers. Polyphosphoinositides have been implicated in the regulation of the signal transduction pathways involved in glucose metabolism using cell culture studies. However, there are no in vivo studies in the literature investigating the status of PIP3 and PIP2 in any of the tissues of diabetic animals. The liver plays an important role in the regulation of whole body glucose homeostasis. This study investigated whether hepatic PIP3 and/or PIP2 levels are altered in diabetes.
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