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Biochem Biophys Res Commun. 2005 Dec 9;338(1):568-77. Epub 2005 Aug 24.

30 some years of heme oxygenase: from a "molecular wrecking ball" to a "mesmerizing" trigger of cellular events.

Author information

1
University of Rochester Medical Center, Department of Biochemistry and Biophysics, 601 Elmwood Avenue Rochester, NY 14624, USA. mahin_maines@urmc.rochester.edu

Abstract

In the beginning, the microsomal HO system was presumed to be made of one isozymes, now known as HO-1, which was cytP450-dependent; and, was thought to be of physiological significance solely in the context of catalysis of hemoglobin heme to bile pigments and CO. A succession of discoveries including characterization of the system as an independent mono-oxygenase, identification of a second form, called HO-2, free radical quenching activity of bile pigments, analogous function of CO in cell signaling to NO, and characterization of the system as HSP32 cognates has led to such an impressive expansion in the number of reports dealing with the HO system that surpass anyone's expectation. This review is a compilation of certain older findings and recent events that together ensure placement of the HO system in the mainstream research for decades to come.

PMID:
16183036
DOI:
10.1016/j.bbrc.2005.08.121
[Indexed for MEDLINE]

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