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연구성과 1핵심 1-1협동
[SCI] ▶5년차◀ [국제] Reproducible hindlimb ischemia model based on photochemically induced thrombosis to evaluate angiogenic effects, 2019, Microvascular research,126;1-6.
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  • 작성일 2020-12-31 19:43:04
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Critical limb ischemia is one of the most common types of peripheral arterial disease. Preclinical development of ischemia therapeutics relies on the availability of a relevant and reproducible  in vivo  disease model. Thus, establishing appropriate animal disease models is essential for the development of new therapeutic strategies. Currently, the most commonly employed model of hindlimb ischemia is the surgical induction method with ligation of the femoral artery and its branches after skin incision. However, the efficiency of the method is highly variable depending on the availability of skilled technicians. In addition, after surgical procedures, animals can quickly and spontaneously recover from damage, limiting observations of the therapeutic effect of potential agents. The aim of this study was to develop a hindlimb ischemia mouse model with similarities to human ischemic disease. To that end, a photochemical reaction was used to induce thrombosis in the hindlimb. After the photochemical reaction was induced by light irradiation, thrombotic plugs and adjacent red blood cell stasis were observed in hindlimb vessels in the light-irradiated zone. Additionally, the photochemically induced thrombosis maintained the ischemic condition and did not cause notable side effects in mice.  Highlights  Photochemically induced thrombosis using erythrosinb B is new hindlimb ischemia model.  A new model which has is an ischemic disease mimic, with several advantages compared to the conventional ligation model.  Our strategy will be highly useful for developing novel therapies for critical limb ischemia.
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