Compositions and methods for inhibiting endothelial cell...

A - Human Necessities – 61 – K

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A61K 38/16 (2006.01) A61K 38/48 (2006.01) A61K 38/55 (2006.01) C07K 14/00 (2006.01) C07K 14/81 (2006.01)

Patent

CA 2327541

Compositions and methods for regulating angiogenic activity wherein the compositions comprise serine proteases including kallikreins such as prostate- specific antigen (PSA), serine protease homologs, or active fragments thereof. Serine proteases and kallikreins exhibit potent antiangiogenic activity on human and other animal cells, particularly endothelial cells. More particularly, PSA, PSA homologs, and inhibitory fragments thereof may be combined with a pharmaceutically acceptable excipient or carrier and used to inhibit angiogenesis and angiogenesis-related diseases such as cancer, arthritis, macular degeneration, and diabetic retinopathy.

L'invention concerne des compositions et des méthodes de régulation de l'activité angiogénique, les compositions comprennent des sérine-protéases renfermant des kallikréines telles que l'antigène prostatique spécifique (PSA), des homologues de sérine-protéases ou leurs fragments actifs. Les sérines-protéases et les kallikréines présentent une puissante activité anti-angiogénique sur les cellules humaines et autres cellules animales, notamment les cellules endothéliales. Plus particulièrement, des PSA, des homologues de PSA et leurs fragments inhibiteurs peuvent être combinés à un excipient ou un support acceptable sur le plan pharmaceutique et utilisés pour inhiber l'angiogénèse ainsi que des maladies liées à l'angiogénèse telles que le cancer, l'arthrite, la dégénérescence maculaire et la rétinopathie diabétique.

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