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Lookup NU author(s): Professor Gerard Stansby, Dr Christoph Berwanger
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Introduction: we have tested the hypothesis that treatment with a mycobacterial preparation that modulates the antibody response, would diminish restenosis ire a rat angioplasty model. Materials/Methods: male Sprague-Dawley rats were used. All immunisations were given subcutaneously. Group A (control) received normal saline on days 0, 21, and 42. Group B received SRL172 on days 0, 21, and 42. Group C received SRL172 on days 0, 21, and 42, arid hsp65/Incomplete Freund's on days 21 and 42. Group D received hsp65/Freund's on days 21 and 42. Right common carotid arteries were balloon-injured on day 63 rising a standard technique known to produce MIH and animals were sacrificed on day 77. For each carotid 61 mum cross sections were cut from paraffin blocks. Cross-sectional areas were measured by computerised planimetry. Results: balloon injury resulted in MIH in all animals. Data represents mean +/-SEM for the percentage of area enclosed within the internal elastic lamina occupied by MIH (% MIH); which for groups A, B, C, and D was 85+/-11, 24+/-3, 27+/-7, and 17+/-3 respectively. All the treatment groups had significantly less MIH when compared to the control group brat no statistically significant difference was found between arty of the treatment groups. Conclusions: this is the first report that immunomodulation with mycobacterial material suitable for use in roan, can reduce MIH. Since such modulation has low risk, this raises the prospect of an important new therapeutic modality to combat restenosis.
Author(s): Stansby G; Berwanger CS; Chan YC; Shurey S; Rook GAW; Stanford JL
Publication type: Article
Publication status: Published
Journal: European Journal of Vascular and Endovascular Surgery
Year: 2002
Volume: 23
Issue: 1
Pages: 23-28
ISSN (print): 1078-5884
ISSN (electronic): 1532-2165
Publisher: Elsevier Ltd
URL: http://dx.doi.org/10.1053/ejvs.2001.1549
DOI: 10.1053/ejvs.2001.1549
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