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Derma Sciences, Inc.
Drug Names(s): DSC127, Angiotensin, DSC-127, NorLeu3-A(1-7), USB-001, USB001
Description: DSC127 is an analog of a naturally occurring peptide, Angiotensin II. It consists of a fragment of angiotensin II with modifications (NorLeu3-Angiotensin(1-7)). Angiotensin(1-7) apparently does not raise blood pressure like angiotensin, but rather has a vasodilatory effect (it also may inhibit cyclooxygenase 2 (COX-2)).
DSC127 has been shown to increase keratinocyte proliferation, increase extracellular matrix production, and increase vascularization. Additionally, histological examination has shown that DSC127 accelerated collagen deposition six-fold.
The action of NorLeu3-A(1-7) in healing in a couple of rodent models was blocked by the A(1-7) receptor antagonist d-Ala7-angiotensin(1-7), so the specific receptor appears to be involved.Up-regulation of mesenchymal stem cells (MSCs) at the site of injury may also be involved. While there is some evidence of similar effects of angiotensin (1-7) and angiotensin II on wound healing, there is also evidence for opposing effects on fibrovascular tissue growth, which was ehanced by angiotensin II but reduced by angiotensin (1-7).
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