Gender-dimorphic regulation of DJ1 and its interactions with metabolic proteins in streptozotocin-induced diabetic rats

Journal of Cellular and Molecular Medicine
Harmesh N ChaudhariJong Won Yun

Abstract

Regulation of DJ1 is associated with a number of human diseases. To determine the involvement of DJ1 in progression of diabetes in a gender-dependent manner, we investigated its tissue-specific expression in streptozotocin (STZ)-induced diabetic male and female rats in this study. In animal experiments, females showed greater susceptibility towards developing diabetes because of lower insulin secretion and higher blood glucose levels as compared to male diabetic rats upon exposure to STZ. Immunoblotting confirmed sexually dimorphic regulation of DJ1 in various metabolic tissues such as the liver, pancreas and skeletal muscle. Immunofluorescence analysis revealed the location as well as reinforced the gender-dependent expression of DJ1 in hepatic tissue. Co-immunoprecipitation assay identified several interacting proteins with DJ1 whose functions were shown to be involved in various metabolic pathways viz. antioxidative and stress defence system, protein and methionine metabolism, nitrogen metabolism, urea metabolism, etc. Using GeneMANIA, a predictive web interface for gene functions, we showed for the first time that DJ1 may regulate T1DM via the JNK1 pathway, suggesting DJ1 interacts with other proteins from various metabolic...Continue Reading

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Citations

Sep 2, 2018·Journal of Cellular Physiology·Sireesh DornadulaRamkumar K Mohanram
Feb 26, 2016·Molecular and Cellular Biochemistry·Sang Woo KimJong Won Yun

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Methods Mentioned

BETA
fluorescence imaging
Co-immunoprecipitation
Co-IP
PCR
Immunoprecipitation
protein modification

Software Mentioned

GeneMANIA
MASCOT Mascot Sever
KODAK
Co
IP
analySIS FIVE Digital Imaging Solutions
ImageMaster 2D
Statistical Package of Social Science ( SPSS

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