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Lookup NU author(s): Professor Debra Bevitt, Dr Jonathan Catterall, Dr Christine Arris, Michael Clarke, Dr Norman Balfour-McKie
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ADAMTS (A Disintegrin-like And Metalloprotease domain with ThromboSpondin type I motifs) are multidomain proteins with demonstrated metalloproteinase functionality and have potential roles in embryonic development, angiogenesis and cartilage degradation. We present here investigations of ADAMTS expression in an ocular cell type, ARPE-19, with a view to implicating them in retinal matrix turnover. Expression analysis was undertaken using a combination of reverse transcription polymerase chain reaction (RT-PCR) and Northern blotting experiments, which together detected the expression of mRNAs for several ADAMTS proteins, all of which have active site motifs characteristic of matrix metalloproteases (MMPs). These included ADAMTS1, ADAMTS2, ADAMTS3, ADAMTS5, ADAMTS6, ADAMTS7 and ADAMTS9. The expression of mRNA isoforms for ADAMTS7 and ADAMTS9 were also detected. Following stimulation with TNFα, ADAMTS1, ADAMTS6 and both ADAMTS9 transcripts expressed in ARPE-19 cells showed a potent upregulation. The expression of ADAMTS genes in ARPE-19 cells and the transcriptional stimulation of some family members by TNFα may implicate them in inflammatory eye disease and the compromise of retinal matrix structure, which is evident in age-related macular degeneration (ARMD) and other retinal pathologies. © 2003 Elsevier Science B.V. All rights reserved.
Author(s): Bevitt DJ, Mohamed J, Catterall JB, Li Z, Arris CE, Hiscott P, Sheridan C, Langton KP, Barker MD, Clarke MP, McKie N
Publication type: Article
Publication status: Published
Journal: Biochimica et Biophysica Acta - Gene Structure and Expression
Year: 2003
Volume: 1626
Issue: 1-3
Pages: 83-91
ISSN (print): 0167-4781
ISSN (electronic): 0006-3002
Publisher: Elsevier BV
URL: http://dx.doi.org/10.1016/S0167-4781(03)00047-2
DOI: 10.1016/S0167-4781(03)00047-2
PubMed id: 12697333
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