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2015 ; 2015
(ä): 604208
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Redox Signaling in Diabetic Nephropathy: Hypertrophy versus Death Choices in
Mesangial Cells and Podocytes
#MMPMID26491232
Manda G
; Checherita AI
; Comanescu MV
; Hinescu ME
Mediators Inflamm
2015[]; 2015
(ä): 604208
PMID26491232
show ga
This review emphasizes the role of oxidative stress in diabetic nephropathy,
acting as trigger, modulator, and linker within the complex network of pathologic
events. It highlights key molecular pathways and new hypothesis in diabetic
nephropathy, related to the interferences of metabolic, oxidative, and
inflammatory stresses. Main topics this review is addressing are biomarkers of
oxidative stress in diabetic nephropathy, the sources of reactive oxygen species
(mitochondria, NADPH-oxidases, hyperglycemia, and inflammation), and the
redox-sensitive signaling networks (protein kinases, transcription factors, and
epigenetic regulators). Molecular switches deciding on the renal cells fate in
diabetic nephropathy are presented, such as hypertrophy versus death choices in
mesangial cells and podocytes. Finally, the antioxidant response of renal cells
in diabetic nephropathy is tackled, with emphasis on targeted therapy. An
integrative approach is needed for identifying key molecular networks which
control cellular responses triggered by the array of stressors in diabetic
nephropathy. This will foster the discovery of reliable biomarkers for early
diagnosis and prognosis, and will guide the discovery of new therapeutic
approaches for personalized medicine in diabetic nephropathy.