In vitro study of novel collagenase (Xiaflex®) on dupuytren's disease fibroblasts displays unique drug related properties

Syed Farhatullah, Alexis Thomas, Subir Singh, Venkatesh Kolluru, Susan G Emeigh Hart, Ardeshir Bayat

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    Dupuytren's disease (DD) is a benign, fibroproliferative disease of the palmar fascia, with excessive extracellular matrix (ECM) deposition and over-production of cytokines and growth factors, resulting in digital fixed flexion contractures limiting hand function and patient quality of life. Surgical fasciectomy is the gold standard treatment but is invasive and has associated morbidity without limiting disease recurrence. Injectable Collagenase Clostridium histolyticum (CCH) - Xiaflex® - is a novel, nonsurgical option with clinically proven in vivo reduction of DD contractures but with limited in vitro data demonstrating its cellular and molecular effects. The aim of this study was to delineate the effects of CCH on primary fibroblasts isolated from DD and non-DD anatomical sites (using RTCA, LDH, WST-1, FACS, qRT-PCR, ELISA and In-Cell Quantitative Western Blotting) to compare the efficacy of varying concentrations of Xiaflex® against a reagent grade Collagenase, Collagenase A. Results demonstrated that DD nodule and cord fibroblasts had greater proliferation than those from fat and skin. Xiaflex® exposure resulted in dose- and time-dependent inhibition of cellular spreading, attachment and proliferation, with cellular recovery after enzyme removal. Unlike Collagenase A, Xiaflex® did not cause apoptosis. Collagen expression patterns were significantly (p
    Original languageEnglish
    Article numbere31430
    JournalPLoS ONE
    Issue number2
    Publication statusPublished - 24 Feb 2012


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