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The downmodulation of the foreign body reaction by cytomegalovirus encoded interleukin-10

Paper ID Volume ID Publish Year Pages File Format Full-Text
9414 629 2009 6 PDF Available
Title
The downmodulation of the foreign body reaction by cytomegalovirus encoded interleukin-10
Abstract

The foreign body reaction (FBR) is of great importance for the function and turnover of biomaterial scaffolds. The development of biological tools that modulate the FBR will augment scaffold functionality and benefit regenerative medicine. The human cytomegalovirus encodes a functional homolog of the potent anti-inflammatory human cytokine interleukin-10 (cmvIL-10). We hypothesized that cmvIL-10 downmodulates the FBR, impairing degradation of biomaterial. We studied the effect of cmvIL-10 on the FBR to subcutaneously implanted hexamethylenediisocyanate-crosslinked dermal sheep collagen (HDSC) discs in rats. CmvIL-10 impaired macrophage influx, vascularization and ingrowth into the discs up to 21 days. It also impaired the formation of giant cells and the degradation of HDSC. At day 10, deposited fibrin fibers were still present in cmvIL-10 discs. Impaired collagenase activity coincided with the impaired HDSC degradation. These results indicate that cmvIL-10 downmodulates the FBR, impairing the progression of the FBR. This study demonstrates the feasibility of interleukin-10 as a biomolecular tool in biomaterials for regenerative medicine.

Keywords
Foreign body reaction; Immunomodulation; Cytomegalovirus; Interleukin-10; CmvIL-10
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 30, Issue 5, February 2009, Pages 730–735
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us