http://www.cnr.it/ontology/cnr/individuo/prodotto/ID13920
A Vascular Endothelial Growth Factor Mimetic Accelerates Gastric Ulcer Healing in an iNOS-Dependent Manner (Articolo in rivista)
- Type
- Label
- A Vascular Endothelial Growth Factor Mimetic Accelerates Gastric Ulcer Healing in an iNOS-Dependent Manner (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1152/ajpgi.90325.2008 (literal)
- Alternative label
Dudar G.K., D'Andrea L.D., Di Stasi R., Pedone C.; John L. Wallace (2008)
A Vascular Endothelial Growth Factor Mimetic Accelerates Gastric Ulcer Healing in an iNOS-Dependent Manner
in American journal of physiology: Gastrointestinal and liver physiology
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Dudar G.K., D'Andrea L.D., Di Stasi R., Pedone C.; John L. Wallace (literal)
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- Rivista
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- Pubblicazione su rivista internazionale (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dudar G.K., Univ Calgary, Dept Pharmacol & Therapeut, Calgary, Canada
D'Andrea L.D., CNR, Ist Biostrutture & Bioimmagini, I-80125 Naples, Italy
Di Stasi R., CNR, Ist Biostrutture & Bioimmagini, I-80125 Naples, Italy
Pedone C., CNR, Ist Biostrutture & Bioimmagini, I-80125 Naples, Italy
John L. Wallace, Univ Calgary, Dept Pharmacol & Therapeut, Calgary, Canada (literal)
- Titolo
- A Vascular Endothelial Growth Factor Mimetic Accelerates Gastric Ulcer Healing in an iNOS-Dependent Manner (literal)
- Abstract
- Angiogenesis is crucial to all types of wound healing, including gastric ulcer healing. The most potent promoter of angiogenesis is vascular endothelial growth factor (VEGF). We hypothesized that a 15-amino acid peptide designed to mimic the angiogenic action of VEGF would accelerate gastric ulcer healing. Gastric ulcers were induced in mice by serosal application of acetic acid. Treatment with the VEGF mimetic accelerated gastric ulcer healing when administered orally or intraperitoneally, at a dose of 50 ng/kg or greater. Such healing was not observed when the reverse sequence pentadecapeptide or the full-length VEGF protein was administered. Contrary to our hypothesis, the VEGF mimetic did not significantly increase angiogenesis in the ulcerated stomach. The enhancement of ulcer healing by the VEGF mimetic occurred independently of cyclooxygenase-2 (COX-2) activity but was blocked by inhibitors of inducible nitric oxide synthase (iNOS). These results demonstrate that a VEGF mimetic is a potent stimulus for gastric ulcer healing, even when given orally. The effects of the mimetic were independent of stimulatory effects on angiogenesis and COX-2 activity but were dependent on iNOS-derived NO production. (literal)
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