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Bone & Joint Research
Vol. 9, Issue 4 | Pages 173 - 181
1 Apr 2020
Schon J Chahla J Paudel S Manandhar L Feltham T Huard J Philippon M Zhang Z

Aims

Femoroacetabular impingement (FAI) is a potential cause of hip osteoarthritis (OA). The purpose of this study was to investigate the expression profile of matrix metalloproteinases (MMPs) in the labral tissue with FAI pathology.

Methods

In this study, labral tissues were collected from four FAI patients arthroscopically and from three normal hips of deceased donors. Proteins extracted from the FAI and normal labrums were separately applied for MMP array to screen the expression of seven MMPs and three tissue inhibitors of metalloproteinases (TIMPs). The expression of individual MMPs and TIMPs was quantified by densitometry and compared between the FAI and normal labral groups. The expression of selected MMPs and TIMPs was validated and localized in the labrum with immunohistochemistry.


Bone & Joint Research
Vol. 7, Issue 9 | Pages 539 - 540
5 Sep 2018
Murray IR Geeslin AG Chahla J Murray AD Goudie EB Petrigliano FA Simpson AHRW LaPrade RF