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The effect of Halofuginone in the amelioration of radiation induced-lung fibrosis
(CHURCHILL LIVINGSTONE, 2013) Yavas, Guler; Calik, Mustafa; Calik, Goknil; Yavas, Cagdas; Ata, Ozlem; Esme, Hidir
The lung is one of the most sensitive organs to ionizing radiation, and damage to normal lung tissue remains a major dose limiting factor for patients receiving radiation to the thorax. Radiation induced lung injury (RILI) which is also named as "radiation pneumonpathy" is a continuous process and regarded as the result of an abnormal healing response. It has been shown that transforming growth factor beta-1 (TGF-beta 1) plays an integral role in the radiation induced lung fibrosis formation by promoting the chemoattraction of fibroblasts and their conversion to myofibroblasts. Halofuginone is a, low molecular weight plant derived alkaloid, isolated from the Dichroa febnfuga plant that exhibits antifibrotic activity and inhibition of type I collagen synthesis. Halofuginone has been shown to protect against radiation induced soft tissue fibrosis by virtue of inhibiting various members of TFG-beta signaling pathway. By the light of these findings, we hypothesize that Halofuginone may be able to ameliorate the radiation induced lung fibrosis. (C) 2013 Elsevier Ltd. All rights reserved.