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Thrombospondin 2, matrix Gla protein and digital analysis identified distinct fibroblast populations in fibrostenosing Crohn's disease [Elektronski vir]Jerala, Miha ...Fibrosis is an important complication in inflammatory bowel diseases. Previous studies suggest an important role of matrix Gla protein (MGP) and thrombospondin 2 (THBS2) in fibrosis in various ... organs. Our aim was to analyse their expression together with regulatory miRNAs in submucosal and subserosal fibroblasts in ulcerative colitis (UC) and Crohn's disease (CD) using immunohistochemistry and qPCR. Digital pathology was used to compare collagen fibre characteristics of submucosal and subserosal fibrosis. Immunohistochemistry showed expression of MGP, but not THBS2 in submucosa in UC and CD. In the subserosa, there was strong staining for both proteins in CD but not in UC. qPCR showed significant upregulation of THBS2 and MGP genes in CD subserosa compared to the submucosa. Digital pathology analysis revealed higher proportion of larger and thicker fibres that were more tortuous and reticulated in subserosal fibrosis compared to submucosal fibrosis. These results suggest distinct fibroblast populations in fibrostenosing CD, and are further supported by image analysis showing significant differences in the morphology and architecture of collagen fibres in submucosal fibrosis in comparison to subserosal fibrosis. Our study is the first to describe differences in submucosal and subserosal fibroblast populations, contributing to understanding of the pathogenesis of fibrostenosis in CD.Vir: Scientific reports [Elektronski vir]. - ISSN 2045-2322 (Vol. 14, iss. 1, [article no.] 13810, 2024, str. 1-13)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2024Jezik - angleškiCOBISS.SI-ID - 199720195
Avtor
Jerala, Miha |
Remic, Tinkara |
Hauptman, Nina |
Homan, Pia |
Zajšek, Neža |
Petitjean, Mathieu |
Chen, Li, računalništvo |
Zidar, Nina, 1960-
Teme
Crohn’s diseases |
digital analysis |
fibrostenosis |
matrix Gla protein |
myofibroblasts |
thrombospondin 2 |
Crohnove bolezni |
digitalna analiza |
fibrostenoza |
matrični Gla protein |
miofibroblasti |
trombospondin 2
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Jerala, Miha | ![]() |
Remic, Tinkara | 50593 |
Hauptman, Nina | 27704 |
Homan, Pia | ![]() |
Zajšek, Neža | ![]() |
Petitjean, Mathieu | ![]() |
Chen, Li, računalništvo | ![]() |
Zidar, Nina, 1960- | 12955 |
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