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Iranian Journal of Allergy, Asthma and Immunology، جلد ۲۱، شماره ۱، صفحات ۷۳-۸۰
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عنوان انگلیسی Prototypic P2X7 Receptor Agonist, BzATP, Induced the Expression of Unfolded Protein Response Genes in Human M1 Macrophages
چکیده انگلیسی مقاله Purinergic receptors stimulation by adenosine triphosphate (ATP) contributes significantly to macrophage activation, and also macrophage cell death. Upon the macrophage activation, the protein load of the endoplasmic reticulum is increased which is resulted in the activation of unfolded protein response (UPR). In the current study, we aimed to evaluate the connection between prototypic P2X7 receptor agonist, extracellular 2ʹ(3ʹ)-O-(4-Benzoylbenzoyl)-ATP (BzATP), and the UPR pathway in macrophages. The monocyte-derived macrophages from blood samples of 14 healthy volunteers were skewed toward M1 macrophages after incubation with LPS and IFN-γ. M1 macrophages were treated with 200 µM BzATP. The expression levels of UPR genes, including CHOP, HERP, GADD34, XBP1, and ATF6 in macrophages before and after treatment were measured using real-time polymerase chain reaction. The results demonstrated that the expression of CHOP, HERP, and ATF6 is significantly decreased and the expression level of GADD34 and XBP1 is significantly increased after M1 polarization. BzATP not only significantly increased the expression levels of CHOP, GADD34, ATF6, and HERP but also significantly decreases the XBP1 expression level in M1 macrophages. The present study showed that BzATP induces cellular stress in M1 macrophages by elevating the expression levels of UPR genes including CHOP, GADD34, ATF6, and reducing cell viability.
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نویسندگان مقاله | Maryam Akhtari
Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran AND Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran AND Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Seyed Jalal Zargar
Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran


| Ali Javinani
Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Amir Ashraf-Ganjouei
Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Mahdi Vojdanian
Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Ahmadreza Jamshidi
Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Mahdi Mahmoudi
Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran 3 Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran
نشانی اینترنتی https://ijaai.tums.ac.ir/index.php/ijaai/article/view/3149
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