Abstract:
:Heme oxygenase-1 (HO-1) is an inducible form of heme oxygenase that catabolizes heme to carbon monoxide, biliverdin, and ferrous iron. We have investigated whether HO-1 can induce angiogenic effects in vivo. Rats were subjected to a bolus injection of either wild type adenovirus (ad-wt) or adenovirus encoding HO-1 (ad-HO-1) through the right femoral artery, which was then removed immediately. HO-1 gene transfer resulted in about a sixfold increase in HO-1 protein levels as compared to the non-treated animals. The increase in both blood flow and capillary density was significantly greater in the ischemic hindlimbs that had been injected with ad-HO-1 than in those injected with ad-wt. These angiogenic effects of ad-HO-1 infection could be completely abolished by treating the animals with the HO inhibitor, zinc protoporphyrin, indicating that they were specifically due to the expression of HO-1. Thus, HO-1 gene transfer improves the blood flow in ischemic hindlimb, at least in part, via angiogenesis facilitated by the induction of this molecule.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Suzuki M,Iso-o N,Takeshita S,Tsukamoto K,Mori I,Sato T,Ohno M,Nagai R,Ishizaka Ndoi
10.1016/s0006-291x(03)00114-1subject
Has Abstractpub_date
2003-02-28 00:00:00pages
138-43issue
1eissn
0006-291Xissn
1090-2104pii
S0006291X03001141journal_volume
302pub_type
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