کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5561868 1562294 2017 30 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mitochondrial reactive oxygen species regulate fungal protease-induced inflammatory responses
ترجمه فارسی عنوان
گونه های اکسیژن واکنش پذیری میتوکندری، پاسخ های التهابی ناشی از پروتئاز قارچی را تنظیم می کنند
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست بهداشت، سم شناسی و جهش زایی
چکیده انگلیسی
Epidemiological studies have shown that fungal infections are a main cause of respiratory tract diseases, such as asthma, bronchopneumonia, intoxication, and invasive fungal disease. Fungi such as Aspergillus and Candida species have become increasingly important pathogens as the global climate changes. Accordingly, in this study, we evaluated the toxicological potential of Aspergillus protease in the lower respiratory tract. Exposure of Aspergillus protease to A549 cells induced upregulation of tumor necrosis factor (TNF)-α, monocyte chemoattractant protein (MCP)-1, and intercellular adhesion molecule (ICAM)-1 mRNAs and increased production of interleukin (IL)-8 and MCP-1 protein through enhanced mitochondrial reactive oxygen species (ROS) generation and activation of mitogen-activated protein kinase (MAPK) and activator protein (AP)-1. Furthermore, the mitochondrial ROS scavenger Mito-TEMPO, which inhibited MAPK and AP-1, significantly reduced MCP-1 and IL-1β mRNA expression and reduced HL-60 cell migration through the suppression of MCP-1 and IL-8 protein secretion. Thus, our results demonstrated that mitochondria were an important source of Aspergillus protease-stimulated ROS and that regulation of mitochondrial ROS modulated inflammatory responses by preventing activation of MAPK and AP-1 in A549 cells.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Toxicology - Volume 378, 1 March 2017, Pages 86-94
نویسندگان
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