TGF-beta plasma levels in chromoblastomycosis patients during itraconazole treatment

Cytokine
Jorge Pereira da SilvaClaudio Guedes Salgado

Abstract

Chromoblastomycosis (CBM) is a dermal mycosis. The disease evolves to a chronic state, presenting a suppurative granulomatous dermatitis, combined with variable dermal fibrosis. Pathogenesis of the inflammation and tissue repair in CBM are poorly understood. To quantify Transforming Growth Factor-beta (TGF-beta) plasma levels of CBM patients during itraconazole (ITZ) treatment. Blood plasma of 12 CBM patients was subjected to TGF-beta titration with ELISA at 0, 3, 6 and 12months of 200mg per day of ITZ therapy, and correlated with the clinical aspects. Plasma of 12 healthy individuals were used for control. CBM patients present high plasma levels of TGF-beta (7.016+/-1988pg/ml), decreasing after 03months (4.625+/-645pg/ml) of ITZ treatment, which correlates with a rapid clinical improvement. However, after 6 (6.566+/-777pg/ml) and 12months (6.908+/-776) of treatment, TGF-beta levels increase to almost the same levels observed before treatment, which is related to a slow clinical improvement, fungal persistence on the lesion, and fibrotic scars. TGF-beta plasma levels are high in CBM patients. Fungal destruction by ITZ correlates with TGF-beta downregulation, but tissue remodeling and fungal persistence probably raises its level...Continue Reading

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Jun 12, 2012·Clinics in Dermatology·Lucio Vera-CabreraOliverio Welsh
Sep 19, 2014·PLoS Neglected Tropical Diseases·Aline Alves de Lima SilvaCarla Pagliari
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Sep 28, 2017·Anais Brasileiros De Dermatologia·Kátia Sheylla Malta PurimMarcia Olandoski

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