[논문]Polydeoxyribonucleotide (PDRN) restores blood flow in an experimental model of peripheral artery occlusive disease

Bitto, A.; Polito, F.; Altavilla, D.; Minutoli, L.; Migliorato, A.; Squadrito, F.

doi:10.1016/j.jvs.2008.06.041

Polydeoxyribonucleotide (PDRN) restores blood flow in an experimental model of peripheral artery occlusive disease 원문보기

Journal of vascular surgery, v.48 no.5, 2008년, pp.1292 - 1300

Bitto, A. , Polito, F. , Altavilla, D. , Minutoli, L. , Migliorato, A. , Squadrito, F.

Abstract ▼ AI-Helper

Objective: This study investigated whether polydeoxyribonucleotide (PDRN) may be efficacious in the treatment of peripheral artery occlusive diseases, which are a major cause of morbidity in Western countries and still lack standardized treatment. Methods: We investigated the effects of PDRN, a mixture of deoxyribonucleotides, in an experimental model of hind limb ischemia (HLI) in rats to stimulate vascular endothelial growth factor (VEGF)-A production and to avoid critical ischemia. The femoral artery was excised to induce HLI. Sham-operated on rats (sham HLI) were used as controls. Animals were treated daily with intraperitoneal PDRN (8 mg/kg) or its vehicle. Animals were euthanized at day 7, 14, and 21 after the evaluation of blood flow by laser Doppler. Dissected muscles were used to measure VEGF-A messenger RNA (mRNA) and protein expression, to evaluate edema, and to assess histologic damage. Results: Administration of PDRN dramatically increased VEGF mRNA throughout the study (day 14: HLI, 7 +/- 2.2 n-fold/β-actin; HLI + PDRN, 13.3 +/- 3.8 n-fold/β-actin; P < .0001) and protein expression (HLI, 11 +/- 3.4 integrated intensity; HLI + PDRN, 16 +/- 3.8 integrated intensity; P < .0001). The compound stimulated revascularization, as confirmed by blood flow restoration (P < .005 vs HLI + vehicle), and blunted the histologic damage and the degree of edema. PDRN did not modify VEGF-A expression and blood flow in sham HLI animals. Furthermore, the concomitant administration of 3,7-dimethyl-1-propargilxanthine (DMPX), a selective adenosine A2A receptor antagonist, abolished the positive effects of PDRN, confirming that PDRN acts through this receptor. Conclusion: These results led us to hypothesize a role for PDRN in treating peripheral artery occlusive diseases.

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Polydeoxyribonucleotide (PDRN) restores blood flow in an experimental model of peripheral artery occlusive disease 원문보기

Abstract ▼ AI-Helper

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