A fibroblast a kötőszövet egyik fontos sejtje. Ma már több fenotípusa ismert, melyek számos reparatív és patológiás folyamatban vesznek részt. Ezek során sejtes és molekuláris történések zajlanak le, melyekben a fibroblastok fontos szerepet játszanak. A molekuláris tényezők közül az integrinek, növekedési faktorok, citokinek, mátrixmolekulák említendők elsősorban. A jelen munka célja ismertetést adni a laza és tömött rostos kötőszövetben a fibroblastok morfológiai, biokémiai és funkcionális szerepéről a fiziológiás történéseken túlmenően olyan reparatív és patológiás folyamatokban, mint a sebgyógyulás, Dupuytren-betegség, rheumatoid arthritis, Graves-ophthalmopathia és a carcinogenesis. Az ismertetésből kiderül, hogy a fibroblastok milyen dinamikus kapcsolatban vannak más sejtekkel és a sejt közti állománnyal. Az új kutatások eredményei jobban megvilágítják a szövetekben lezajló fiziológiás és patológiás folyamatokat, ugyanekkor potenciálisan segítséget nyújthatnak egyes betegségek új terápiás lehetőségeihez. A szerzők irodalmi adatok és saját vizsgálataik alapján foglalják össze a témakör fontosabb kérdéseit.
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