Title : Overexpression of manganese superoxide dismutase suppresses increases in collagen accumulation induced by culture of mesangial cells in high-media glucose.

Pub. Date : 2001 Sep

PMID : 11555836






10 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Manganese (Mn)(2+)-dependent superoxide dismutase (SOD-2) is primarily responsible for metabolism of superoxide produced in mitochondria by respiratory chain activity during aerobic metabolism of glucose and other substrates. Glucose superoxide dismutase 2 Homo sapiens
2 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
3 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
4 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
5 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
6 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
7 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
8 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
9 In cells infected with SOD-2 (SOD-2-Ad) and cultured in low glucose, SOD-2 activity was 5-fold higher than in cells infected with GFP (GFP-Ad), whereas Cu(2+)/Zn(2+) cytoplasmic SOD (SOD-1) did not differ; culture in high-glucose media did not alter SOD-2 or SOD-1 activity in either GFD-Ad or SOD-2-Ad. Glucose superoxide dismutase 2 Homo sapiens
10 These results support a role for increased cellular superoxide production derived from NAD(P)H oxidase activity in the stimulation of collagen accumulation induced in MC by high glucose and demonstrate that an increase in mitochondrial SOD-2 activity suppresses this response. Glucose superoxide dismutase 2 Homo sapiens