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Your search keyword '"Elbialy, Abdalla"' showing total 12 results
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12 results on '"Elbialy, Abdalla"'

1. Patient-Derived Conditionally Reprogrammed Cells in Prostate Cancer Research

Author

Elbialy, Abdalla, primary, Kappala, Deepthi, additional, Desai, Dhruv, additional, Wang, Peng, additional, Fadiel, Ahmed, additional, Wang, Shang-Jui, additional, Makary, Mina S., additional, Lenobel, Scott, additional, Sood, Akshay, additional, Gong, Michael, additional, Dason, Shawn, additional, Shabsigh, Ahmad, additional, Clinton, Steven, additional, Parwani, Anil V., additional, Putluri, Nagireddy, additional, Shvets, Gennady, additional, Li, Jenny, additional, and Liu, Xuefeng, additional

Published
2024
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3. Antioxidants and azd0156 Rescue Inflammatory Response in Autophagy-Impaired Macrophages.

Author

Elbialy, Abdalla, Kitauchi, Mai, and Yamanouchi, Dai

Subjects
*ABDOMINAL aortic aneurysms, *INFLAMMATION, *MACROPHAGES, *ATAXIA telangiectasia, *ANIMAL rescue, *ACTIVATION (Chemistry)
Abstract

Autophagy is a lysosomal degradation system that eliminates and recycles damaged intracellular organelles and proteins. Inflammatory macrophages play a critical role in the development of various age-related inflammatory illnesses such as abdominal aortic aneurysm, atherosclerosis, and rheumatoid arthritis; therefore, identifying the mechanisms that cause macrophage inflammation is crucial for a better understanding of and developing therapeutics for inflammatory diseases. Previous research has linked autophagy to macrophage inflammation; Atg16L1-deficient macrophages increase IL-1 and IL-18 production via inflammasome activation. In this study, however, we show an alternative pathway of macrophage inflammation in an autophagy-deficient environment. We found that inhibiting autophagy in THP1 macrophages progressively increased the expression of p65-mediated inflammatory genes. This effect was reversed by treatment with antioxidants or azd0156, an ataxia telangiectasia mutated (ATM) inhibitor. In addition, our results showed that M1 macrophages inhibit autophagy and induce DNA damage, whereas M2 macrophages activate autophagy and reduce DNA damage. Importantly, the chemical activation of autophagy or ATM inhibition during M1 polarization reduced the M1 phenotype and inflammation, whereas inhibiting autophagy during M2 polarization also reduced the M2 phenotype. Thus, our findings highlight the importance of the autophagy–ATM pathway in driving macrophage inflammation. [ABSTRACT FROM AUTHOR]

Published
2024
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