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June 1989

Angiotropin Treatment Prevents Flap Necrosis and Enhances Dermal Regeneration in Rabbits

Author Affiliations

From the Universitätsfrauenklinik Mainz, West Germany (Dr Höckel), and the Department of Surgery, Harvard Medical School, Massachusetts General Hospital, Boston (Dr Burke).

Arch Surg. 1989;124(6):693-698. doi:10.1001/archsurg.1989.01410060059012

• Angiotropin is a potent angiogenesis factor isolated from the serum-free media of cultured, lectin-activated peripheral monocytes. In vitro, the purified substance stimulates migration, phenotypic differentiation, and tube formation, but not proliferation of capillary endothelial cells. When injected intradermally, angiotropin induces, in dose-dependent fashion, angiogenesis associated with skin hyperplasia. We have developed a flap model with insufficient blood supply and a model for contraction-free defect healing in rabbit skin. We show that (1) local pretreatment with angiotropin can prevent flap necrosis and (2) dermal regeneration after wounding can be augmented by angiotropin. From these results, we conclude that angiotropin might be of use as an adjuvant to healing in surgery.

(Arch Surg 1989;124:693-698)

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