2002
DOI: 10.1590/s0104-42302002000400039
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Ativação da proteína TGFbetaI latente em pulmão irradiado in vivo

Abstract: RESUMO -OBJETIVO. Investigar no pulmão, por imunohistoquímica, a localização das proteínas TGFβ β β β β1 latente e TGFβ β β β β1 ativa, se ocorre ativação radioinduzida da proteína TGFβ β β β β1 latente e a distribuição das fibras colágenas em diversos períodos de tempo após irradiação.MÉTODOS. 32 camundongos isogênicos (C57BL) foram divididos em dois grupos: GI (não irradiado) com 12 animais e GII (irradiado) com 20 animais. Os animais do GII receberam radiação gama (telecobaltoterapia, 60Co, com rendimento d… Show more

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Cited by 8 publications
(8 citation statements)
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References 31 publications
(42 reference statements)
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“…These findings are similar to those of Mattos et al 23 and contradict others, such as Rübe et al 17 .…”
Section: Discussionsupporting
confidence: 90%
“…These findings are similar to those of Mattos et al 23 and contradict others, such as Rübe et al 17 .…”
Section: Discussionsupporting
confidence: 90%
“…Studies have demonstrated that the irradiation of bronchi and alveoli weakly activated TGF-β1 on day 1 and strongly activated it on day 14 post-irradiation. This indicated that particular bronchial and alveolar cells may participate in the complex process of radiation-induced lung fibrosis by acting as cellular sources of active TGF-β [65]. It has been suggested that the irradiation-induced activation of TGF-β1 is rapid [66-68].…”
Section: Cytokines and Related Factors In The Development Of Rilfmentioning
confidence: 99%
“…In additional studies, involving electromagnetic radiation such as cell phone signal or computer, Karinem et al, 2008, based on a female volunteer group, showed small changes in skin protein expressions although not conclusive 17 . In addition, Fragopoulou et al, 2012, demonstrated through 2D-PAGE electrophoresis, changes in the expression and function of 100 proteins in blood 18 . On many of those 1D and 2D electrophoresis studies, special kits previously remove immunoglobulins and albumin proteins, since its band covers large space of the gel and it is stained easily, creating difficulty in separating small spots of low expression proteins.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, Mattos et al, 2002, performed protein activation studies, specifically on transforming growth factor -TGF in lung from in vivo irradiated mice 19 . They demonstrated the existence of two isoforms of TGFβ1 cytokines, being latent and another active.…”
Section: Discussionmentioning
confidence: 99%
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