Title : Role of NO in enhancing the expression of HO-1 in LPS-stimulated macrophages.

Pub. Date : 2005

PMID : 16291246






5 Functional Relationships(s)
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1 The NO-derived induction of HO-1 caused (a) rapid elimination of toxic heme to inhibit lipid peroxidation and to prevent further induction of iNOS, (b) rapid production of bile pigment antioxidants to scavenge reactive oxygen (O2-) and nitrogen (NO) metabolites, and (c) rapid production of carbon monoxide (CO) to inhibit further production of O2- and NO by blocking the activities of NADPH-oxidase and iNOS, respectively. Oxygen heme oxygenase 1 Homo sapiens
2 The NO-derived induction of HO-1 caused (a) rapid elimination of toxic heme to inhibit lipid peroxidation and to prevent further induction of iNOS, (b) rapid production of bile pigment antioxidants to scavenge reactive oxygen (O2-) and nitrogen (NO) metabolites, and (c) rapid production of carbon monoxide (CO) to inhibit further production of O2- and NO by blocking the activities of NADPH-oxidase and iNOS, respectively. Oxygen heme oxygenase 1 Homo sapiens
3 The NO-derived induction of HO-1 caused (a) rapid elimination of toxic heme to inhibit lipid peroxidation and to prevent further induction of iNOS, (b) rapid production of bile pigment antioxidants to scavenge reactive oxygen (O2-) and nitrogen (NO) metabolites, and (c) rapid production of carbon monoxide (CO) to inhibit further production of O2- and NO by blocking the activities of NADPH-oxidase and iNOS, respectively. Oxygen heme oxygenase 1 Homo sapiens
4 Thus, the NO overproduced by the O2- -dependent induction of iNOS expression can scavenge O2- to produce ONOO-, first to kill the invading pathogens and second to enhance the HO-1 expression in macrophages. Oxygen heme oxygenase 1 Homo sapiens
5 Thus, the NO overproduced by the O2- -dependent induction of iNOS expression can scavenge O2- to produce ONOO-, first to kill the invading pathogens and second to enhance the HO-1 expression in macrophages. Oxygen heme oxygenase 1 Homo sapiens