... genes by tumour necrosis factor- alpha. Nature 19 89, 337:6 61- 663.33. Unemori EN, Hibbs MS, Amento EP: Constitutive expression of a 92-kD gelatinase (type V collagenase) by rheumatoid syno-vial ... infectionsSiva Kanangat 1, 2, Arnold Postlethwaite 1, 2, Karen Hasty 1, 2,3, Andrew Kang 1, 2, Mark Smeltzer4, Whitney Appling 1 and Dennis Schaberg 1, 5 1 Department of Medicine, University of Tennessee ... Revisions received: 18 Oct 2006 Accepted: 27 Nov 2006 Published: 27 Nov 2006 Arthritis Research & Therapy 2006, 8:R176 (doi :10 .11 86/ar2086)This article is online at: http:/ /arthritis- research.com/content/8/6/R176©...