期刊
BIOMACROMOLECULES
卷 5, 期 3, 页码 895-902出版社
AMER CHEMICAL SOC
DOI: 10.1021/bm034463j
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资金
- NIDCD NIH HHS [DC 04336] Funding Source: Medline
A cross-linked hyaluronan (HA) hydrogel that contained a covalently bound derivative of the anti-proliferative drug mitomycin C (MMC) was synthesized and evaluated in vitro and in vivo. The HA-MMC hydrogel was prepared by coupling MMC-aziridinyl-N-acrylate with thiol-modified HA followed by cross-linking C, with poly(ethylene glycol) diacrylate (PEGDA). MMC was released from 0.5% and 2.0% MMC films by hydrolysis in proportion to the MMC loading. When incubated in vitro with human T31 tracheal scar fibroblasts, 0.5% MMC films inhibited proliferation, whereas 2.0% MMC films were cytotoxic. When implanted in vivo into a rat peritoneal cavity, neither 0.5% nor 2.0% HA-MMC films elicited a severe peritoneal fluid leukocyte response. Importantly, MMC reduced the thickness of fibrous tissue formed surrounding the implanted films. Thus, cross-linked HA-MMC films have strong potential as anti-fibrotic barriers for the prevention of post-surgical adhesions.
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