eISSN: 2353-9461
ISSN: 0860-7796
BioTechnologia
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2/2011
vol. 92
 
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abstract:

REVIEW PAPER
Therapeutic potential of heme oxygenase-1 in cardiovascular disease

Agnieszka Jazwa
,
Urszula Florczyk
,
Jacek Stepniewski
,
Alicja Jozkowicz
,
Jozef Dulak

BioTechnologia vol. 92(2) C pp. 166-179 C 2011
Online publish date: 2014/10/28
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Heme oxygenase-1 (HO1) degrades heme to carbon monoxide (CO), biliverdin, and ferrous iron. Through these

products, HO1 mitigates cellular injury by exerting anti-oxidant, anti-apoptotic, and anti-inflammatory effects.

Several lines of evidence indicate that angiogenic factors, such as vascular endothelial growth factor A (VEGF)

and stromal cell-derived factor 1 (SDF1), mediate their proangiogenic action in endothelial cells and endothelial

progenitor cells through induction of HO1, and reciprocally, VEGF and SDF1 are enhanced by HO1 overexpression.

Ferrous iron released during the breakdown of free heme by HO1 is an extremely pro-oxidative molecule

that can be rapidly removed by ferritin. Of note, this iron sequestering protein also has been shown to exert some

proangiogenic effects. Moreover, our recent data indicate that HO1 is an important mediator of differentiation

and function of stem cells, including endothelial and myoblasts progenitors. All of this makes HO1 a promising

target for novel cardiovascular therapies. The aim of this review is to discuss the existing knowledge and to propose

the therapeutic approaches, which have to consider the necessity of tight regulation of HO1 expression.
keywords:

angiogenesis, cytoprotection, heme oxygenase 1, iron, hypoxia

 
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