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Zheng Y, Ren X, Qi X, Song R, Zhao C, Ma J, Li X, Deng Q, He Y, Kong L, Qian L, Zhang F, Li M, Sun M, Liu W, Liu H, She G. Bao Yuan decoction alleviates fatigue by restraining inflammation and oxidative stress via the AMPK/CRY2/PER1 signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:118058. [PMID: 38513778 DOI: 10.1016/j.jep.2024.118058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/28/2024] [Accepted: 03/13/2024] [Indexed: 03/23/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Baoyuan Decoction (BYD) was initially recorded in the classic of "Bo Ai Xin Jian" in the Ming dynasty. It is traditionally used for treating weakness and cowardice, and deficiency of vital energy. In researches related to anti-fatigue effects, the reciprocal regulation of AMPK and circadian clocks likely plays an important role in anti-fatigue mechanism, while it has not yet been revealed. Therefore, we elucidated the anti-fatigue mechanism of BYD through AMPK/CRY2/PER1 pathway. AIM OF THE STUDY To investigate the effect and mechanism of BYD in reducing fatigue, using pharmacodynamics, network pharmacology and transcriptomics through the AMPK/CRY2/PER1 signaling pathway. MATERIALS AND METHODS Firstly, the chemical constituents of BYD were qualitatively identified by UHPLC-Q-Exactive Orbitrap/MS, establishing a comprehensive strategy with an in-house library, Xcalibur software and Pubchem combined. Secondly, a Na2SO3-induced fatigue model and 2,2'-Azobis (2-methylpropionamidine) dihydrochloride (AAPH)-induced oxidative stress model were developed to evaluate the anti-fatigue and anti-oxidant activities of BYD using AB zebrafish. The anti-inflammatory activity of BYD was evaluated using CuSO4-induced and tail cutting-induced Tg (lyz: dsRed) transgenic zebrafish inflammation models. Then, target screening was performed by Swiss ADME, GeneCards, OMIM and DrugBank databases, the network was constructed using Cytoscape 3.9.0. Transcriptome and network pharmacology technology were used to investigate the related signaling pathways and potential mechanisms after treatment with BYD, which were verified by real-time quantitative PCR (RT-qPCR). RESULTS In total, 114 compounds from the water extract of BYD were identified as major compounds. Na₂SO₃-induced fatigue model and AAPH-induced oxidative stress model indicated that BYD has significant anti-fatigue and antioxidant effects. Meanwhile, BYD showed significant anti-inflammatory effects on CuSO4-induced and tail cutting-induced zebrafish inflammation models. The KEGG result of network pharmacology showed that the anti-fatigue function of BYD was mainly effected through AMPK signaling pathway. Besides, transcriptome analysis indicated that the circadian rhythm, AMPK and IL-17 signaling pathways were recommended as the main pathways related to the anti-fatigue effect of BYD. The RT-qPCR results showed that compared with a model control group, the treatment of BYD significantly elevated the expression mRNA of AMPK, CRY2 and PER1. CONCLUSION Herein, we identified 114 chemical constituents of BYD, performed zebrafish activity validation, while demonstrated that BYD can relieve fatigue by AMPK/CRY2/PER1 signaling pathway through network pharmacology and transcriptome.
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Affiliation(s)
- Yuan Zheng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Xueyang Ren
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Xiaodan Qi
- Dong'e Ejiao Co., Ltd., Liaocheng, 252200, China; Shandong Key Laboratory of Gelatine TCM Research and Development, Liaocheng, 252200, China; Shandong Technology Innovation Center of Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China; National Engineering Technology Research Center for Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China
| | - Ruolan Song
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Chongjun Zhao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Jiamu Ma
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Xianxian Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Qingyue Deng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Yingyu He
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Lingmei Kong
- Dong'e Ejiao Co., Ltd., Liaocheng, 252200, China; Shandong Key Laboratory of Gelatine TCM Research and Development, Liaocheng, 252200, China; Shandong Technology Innovation Center of Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China; National Engineering Technology Research Center for Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China
| | - Liyan Qian
- Dong'e Ejiao Co., Ltd., Liaocheng, 252200, China; Shandong Key Laboratory of Gelatine TCM Research and Development, Liaocheng, 252200, China; Shandong Technology Innovation Center of Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China; National Engineering Technology Research Center for Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China
| | - Feng Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Mingxia Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Mengyu Sun
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Wei Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Haibin Liu
- Dong'e Ejiao Co., Ltd., Liaocheng, 252200, China; Shandong Key Laboratory of Gelatine TCM Research and Development, Liaocheng, 252200, China; Shandong Technology Innovation Center of Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China; National Engineering Technology Research Center for Gelatin-based Traditional Chinese Medicine, Liaocheng, 252200, China.
| | - Gaimei She
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
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Cun Y, Guo C, Jin Y, Zhou L, Zhang C, Chen N, Peng Y, Zhang P, Guo Y. Breviscapine ameliorates autophagy by activating the JAK2/STAT5/BCL2 pathway in a transient cerebral ischemia rat model. J Neuropathol Exp Neurol 2024:nlae045. [PMID: 38804899 DOI: 10.1093/jnen/nlae045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024] Open
Abstract
Breviscapine (Bre), an extract from Erigeron breviscapus, has been widely used to treat cerebral ischemia but the mechanisms of its neuroprotective effects need to be clarified. The present study investigated whether Bre could alleviate excessive autophagy induced by cerebral ischemia in the rat middle cerebral artery occlusion (MCAO) ischemia model via activating the Janus kinase 2 (JAK2)/signal transducer and activator of transcription 5 (STAT5)/B-cell lymphoma 2 (BCL2) pathway. Rats were randomly divided into 5 groups, i.e. Sham group, MCAO+saline group, MCAO+Bre group, MCAO+DMSO (Dimethyl sulfoxide) group, and MCAO+Bre+AG490 (Tyrphostin AG490, the inhibitor of STAT5) group. The model was established and neuroprotection was evaluated by determining infarct volumes and conducting neurological behavioral tests. Autophagy levels in the infarct penumbra were detected using transmission electron microscopy and Western blotting. The expression of proteins in the JAK2/STAT5/BCL2 pathway was tested by Western blotting. Compared to the MCAO+saline group, the infarct volumes in the MCAO+Bre group were significantly reduced and neurological behavior improved. Breviscapine administration also significantly increased p-JAK2, p-STAT5, and BCL2 expression but decreased autolysosome numbers; it also downregulated Beclin-1 expression and the LC3II/LCI ratio. The JAK2 inhibitor AG490 reversed these effects. These findings indicate that breviscapine can improve neural recovery following ischemia through alleviating excessive autophagy and activation of the JAK2/STAT5/BCL2 axis.
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Affiliation(s)
- Yongdan Cun
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
- Yunnan College of Business Management, Kunming, China
| | - Cunxiao Guo
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Yaju Jin
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Li Zhou
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Chengcai Zhang
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Na Chen
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Yicheng Peng
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Pengyue Zhang
- Yunnan Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Key Laboratory of Acupuncture and Massage for Treatment of Encephalopathy, College of Acupuncture, Tuina and Rehabilitation, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Yiting Guo
- Department of Traditional Chinese Medicine, The 920th Hospital of the PLA Joint Service Support Force, Kunming, China
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3
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Marzook H, Gupta A, Jayakumar MN, Saleh MA, Tomar D, Qaisar R, Ahmad F. GSK-3α-BNIP3 axis promotes mitophagy in human cardiomyocytes under hypoxia. Free Radic Biol Med 2024; 221:235-244. [PMID: 38815772 DOI: 10.1016/j.freeradbiomed.2024.05.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/24/2024] [Accepted: 05/25/2024] [Indexed: 06/01/2024]
Abstract
Dysregulated autophagy/mitophagy is one of the major causes of cardiac injury in ischemic conditions. Glycogen synthase kinase-3alpha (GSK-3α) has been shown to play a crucial role in the pathophysiology of cardiac diseases. However, the precise role of GSK-3α in cardiac mitophagy remains unknown. Herein, we investigated the role of GSK-3α in cardiac mitophagy by employing AC16 human cardiomyocytes under the condition of acute hypoxia. We observed that the gain-of-GSK-3α function profoundly induced mitophagy in the AC16 cardiomyocytes post-hypoxia. Moreover, GSK-3α overexpression led to increased ROS generation and mitochondrial dysfunction in cardiomyocytes, accompanied by enhanced mitophagy displayed by increased mt-mKeima intensity under hypoxia. Mechanistically, we identified that GSK-3α promotes mitophagy through upregulation of BNIP3, caused by GSK-3α-mediated increase in expression of HIF-1α and FOXO3a in cardiomyocytes post-hypoxia. Moreover, GSK-3α displayed a physical interaction with BNIP3 and, inhibited PINK1 and Parkin recruitment to mitochondria was observed specifically under hypoxia. Taken together, we identified a novel mechanism of mitophagy in human cardiomyocytes. GSK-3α promotes mitochondrial dysfunction and regulates FOXO3a -mediated BNIP3 overexpression in cardiomyocytes to facilitate mitophagy following hypoxia. An interaction between GSK-3α and BNIP3 suggests a role of GSK-3α in BNIP3 recruitment to the mitochondrial membrane where it enhances mitophagy in stressed cardiomyocytes independent of the PINK1/Parkin.
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Affiliation(s)
- Hezlin Marzook
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Anamika Gupta
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Manju N Jayakumar
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Mohamed A Saleh
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Dhanendra Tomar
- Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Rizwan Qaisar
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Firdos Ahmad
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates.
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4
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Cai H, Ma G, Zhang Z, Liu G, Lu R, Liu Y, Wang J, Wang S, Sun S, E M, Li Z, Fang S, Yu B. A potential early-atheroprotective target: Irgm1 mediates lymphangiogenesis through LEC autophagy by Tfeb translocation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167238. [PMID: 38759815 DOI: 10.1016/j.bbadis.2024.167238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 05/08/2024] [Accepted: 05/10/2024] [Indexed: 05/19/2024]
Abstract
Lymphatic dysfunction is a pivotal pathological mechanism underlying the development of early atherosclerotic plaques. Potential targets of lymphatic function must be identified to realize the early prevention and treatment of atherosclerosis (AS). The immunity-related GTPase Irgm1 is involved in orchestrating cellular autophagy and apoptosis. However, the effect of Irgm1 on early AS progression, particularly through alterations in lymphatic function, remains unclear. In this study, we confirmed the protective effect of lymphangiogenesis on early-AS in vivo. Subsequently, an in vivo model of early AS mice with Irgm1 knockdown shows that Irgm1 reduces early atherosclerotic plaque burden by promoting lymphangiogenesis. Given that lymphatic endothelial cell (LEC) autophagy significantly contributes to lymphangiogenesis, Irgm1 may enhance lymphatic circulation by promoting LEC autophagy. Moreover, Irgm1 orchestrates autophagy in LECs by inhibiting mTOR and facilitating nuclear translocation of Tfeb. Collectively, these processes lead to lymphangiogenesis. Thus, this study establishes a link between Irgm1 and early AS, thus revealing a novel mechanism by which Irgm1 exerts an early protective influence on AS within the context of lymphatic circulation. The insights gained from this study have the potential to revolutionize the approach and management of AS onset.
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Affiliation(s)
- Hengxuan Cai
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Guanpeng Ma
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Zhenming Zhang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Guojie Liu
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Rongzhe Lu
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Yige Liu
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Jiaxin Wang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Shanjie Wang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China
| | - Song Sun
- Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan 250012, China
| | - Mingyan E
- Department of Thoracic Radiotherapy, Harbin Medical University Cancer Hospital, Nangang District, Harbin, China
| | - Zhaoying Li
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China.
| | - Shaohong Fang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China.
| | - Bo Yu
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China; National Key Laboratory of Frigid Zone Cardiovascular Diseases (NKLFZCD), Harbin 150086, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin 150086, China.
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5
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Kang C, Sang Q, Liu D, Wang L, Li J, Liu X. Polyphyllin I alleviates neuroinflammation after cerebral ischemia-reperfusion injury via facilitating autophagy-mediated M2 microglial polarization. Mol Med 2024; 30:59. [PMID: 38745316 PMCID: PMC11094947 DOI: 10.1186/s10020-024-00828-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 05/06/2024] [Indexed: 05/16/2024] Open
Abstract
Microglial activation and polarization play a central role in poststroke inflammation and neuronal damage. Modulating microglial polarization from pro-inflammatory to anti-inflammatory phenotype is a promising therapeutic strategy for the treatment of cerebral ischemia. Polyphyllin I (PPI), a steroidal saponin, shows multiple bioactivities in various diseases, but the potential function of PPI in cerebral ischemia is not elucidated yet. In our study, the influence of PPI on cerebral ischemia-reperfusion injury was evaluated. Mouse middle cerebral artery occlusion (MCAO) model and oxygen-glucose deprivation and reoxygenation (OGD/R) model were constructed to mimic cerebral ischemia-reperfusion injury in vivo and in vitro. TTC staining, TUNEL staining, RT-qPCR, ELISA, flow cytometry, western blot, immunofluorescence, hanging wire test, rotarod test and foot-fault test, open-field test and Morris water maze test were performed in our study. We found that PPI alleviated cerebral ischemia-reperfusion injury and neuroinflammation, and improved functional recovery of mice after MCAO. PPI modulated microglial polarization towards anti-inflammatory M2 phenotype in MCAO mice in vivo and post OGD/R in vitro. Besides, PPI promoted autophagy via suppressing Akt/mTOR signaling in microglia, while inhibition of autophagy abrogated the effect of PPI on M2 microglial polarization after OGD/R. Furthermore, PPI facilitated autophagy-mediated ROS clearance to inhibit NLRP3 inflammasome activation in microglia, and NLRP3 inflammasome reactivation by nigericin abolished the effect of PPI on M2 microglia polarization. In conclusion, PPI alleviated post-stroke neuroinflammation and tissue damage via increasing autophagy-mediated M2 microglial polarization. Our data suggested that PPI had potential for ischemic stroke treatment.
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Affiliation(s)
- Chunyang Kang
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China
| | - Qiuling Sang
- Department of Neuroelectrophysiology, China-Japan Union Hospital of Jilin University, Changchun, 130000, China
| | - Dingxi Liu
- Department of Clinical Medicine, Zunyi Medical University, Zhuhai, 519041, China
| | - Libo Wang
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China
| | - Jia Li
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China.
| | - Xiaoyang Liu
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China.
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6
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Wu C, Xiong Y, Fu F, Zhang F, Qin F, Yuan J. The Role of Autophagy in Erectile Dysfunction. World J Mens Health 2024; 42:42.e44. [PMID: 38606869 DOI: 10.5534/wjmh.230145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 01/18/2024] [Accepted: 01/28/2024] [Indexed: 04/13/2024] Open
Abstract
Autophagy is a conservative lysosome-dependent material catabolic pathway, and exists in all eukaryotic cells. Autophagy controls cell quality and survival by eliminating intracellular dysfunction substances, and plays an important role in various pathophysiology processes. Erectile dysfunction (ED) is a common male disease. It is resulted from a variety of causes and pathologies, such as diabetes, hypertension, hyperlipidemia, aging, spinal cord injury, or cavernous nerve injury caused by radical prostatectomy, and others. In the past decade, autophagy has begun to be investigated in ED. Subsequently, an increasing number of studies have revealed the regulation of autophagy contributes to the recovery of ED, and which is mainly involved in improving endothelial function, smooth muscle cell apoptosis, penile fibrosis, and corpus cavernosum nerve injury. Therefore, in this review, we aim to summarize the possible role of autophagy in ED from a cellular perspective, and we look forward to providing a new idea for the pathogenesis investigation and clinical treatment of ED in the future.
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Affiliation(s)
- Changjing Wu
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Yang Xiong
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Fudong Fu
- Institutes for Systems Genetics, West China Hospital, Sichuan University, Chengdu, China
| | - Fuxun Zhang
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Feng Qin
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Jiuhong Yuan
- Andrology Laboratory, West China Hospital, Sichuan University, Chengdu, China
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China.
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7
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Li C, Deng C, Wang S, Dong X, Dai B, Guo W, Guo Q, Feng Y, Xu H, Song X, Cao L. A novel role for the ROS-ATM-Chk2 axis mediated metabolic and cell cycle reprogramming in the M1 macrophage polarization. Redox Biol 2024; 70:103059. [PMID: 38316066 PMCID: PMC10862067 DOI: 10.1016/j.redox.2024.103059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/10/2024] [Accepted: 01/24/2024] [Indexed: 02/07/2024] Open
Abstract
Reactive oxygen species (ROS) play a pivotal role in macrophage-mediated acute inflammation. However, the precise molecular mechanism by which ROS regulate macrophage polarization remains unclear. Here, we show that ROS function as signaling molecules that regulate M1 macrophage polarization through ataxia-telangiectasia mutated (ATM) and cell cycle checkpoint kinase 2 (Chk2), vital effector kinases in the DNA damage response (DDR) signaling pathway. We further demonstrate that Chk2 phosphorylates PKM2 at the T95 and T195 sites, promoting glycolysis and facilitating macrophage M1 polarization. In addition, Chk2 activation increases the Chk2-dependent expression of p21, inducing cell cycle arrest for subsequent macrophage M1 polarization. Finally, Chk2-deficient mice infected with lipopolysaccharides (LPS) display a significant decrease in lung inflammation and M1 macrophage counts. Taken together, these results suggest that inhibiting the ROS-Chk2 axis can prevent the excessive inflammatory activation of macrophages, and this pathway can be targeted to develop a novel therapy for inflammation-associated diseases and expand our understanding of the pathophysiological functions of DDR in innate immunity.
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Affiliation(s)
- Chunlu Li
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Chengsi Deng
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Siwei Wang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiang Dong
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Bing Dai
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Wendong Guo
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Qiqiang Guo
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Yanling Feng
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Hongde Xu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiaoyu Song
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Liu Cao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China.
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8
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Wu M, Fan Y, Li L, Yuan J. Bi-directional regulation of type I interferon signaling by heme oxygenase-1. iScience 2024; 27:109185. [PMID: 38420586 PMCID: PMC10901085 DOI: 10.1016/j.isci.2024.109185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 12/23/2023] [Accepted: 02/06/2024] [Indexed: 03/02/2024] Open
Abstract
Moderate activation of IFN-I contributes to the body's immune response, but its abnormal expression, stimulated by oxidative stress or other factors causes pathological damage. Heme oxygenase-1 (HO-1), induced by stress stimuli in the body, exerts a central role in cellular protection. Here we showed that HO-1 could promote IFN-1 under Spring Viremia of Carp virus (SVCV) infection and concomitantly attenuate the replication of SVCV. Further characterization of truncated mutants of HO-1 confirmed that intact HO-1 was essential for its antiviral function via IFN-I. Importantly, HO-1 inhibited the IFN-I signal by degrading the IRF3/7 through the autophagy pathway when it was triggered by H2O2 treatment. The iron ion-binding site (His28) was critical for HO-1 to degrade IRF3/7. HO-1 degradation of IRF3/7 is conserved in fish and mammals. Collectively, HO-1 regulates IFN-I positively under viral infection and negatively under oxidative stress, elucidating a mechanism by which HO-1 regulates IFN-I signaling in bi-directions.
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Affiliation(s)
- Miaomiao Wu
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
- Hubei Engineering Research Center for Aquatic Animal Diseases Control and Prevention, Wuhan 430070, People’s Republic of China
| | - Yihui Fan
- Hubei Engineering Research Center for Aquatic Animal Diseases Control and Prevention, Wuhan 430070, People’s Republic of China
- National Aquatic Animal Diseases Para-reference laboratory (HZAU), Wuhan 430070, People’s Republic of China
| | - Lijuan Li
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
- Hubei Engineering Research Center for Aquatic Animal Diseases Control and Prevention, Wuhan 430070, People’s Republic of China
- National Aquatic Animal Diseases Para-reference laboratory (HZAU), Wuhan 430070, People’s Republic of China
| | - Junfa Yuan
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
- Hubei Engineering Research Center for Aquatic Animal Diseases Control and Prevention, Wuhan 430070, People’s Republic of China
- National Aquatic Animal Diseases Para-reference laboratory (HZAU), Wuhan 430070, People’s Republic of China
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9
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Zhang Y, Yang J, Ouyang C, Meng N. The association between ferroptosis and autophagy in cardiovascular diseases. Cell Biochem Funct 2024; 42:e3985. [PMID: 38509716 DOI: 10.1002/cbf.3985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/05/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
Autophagy is a process in which cells degrade intracellular substances and play a variety of roles in cells, such as maintaining intracellular homeostasis, preventing cell overgrowth, and removing pathogens. It is highly conserved during the evolution of eukaryotic cells. So far, the study of autophagy is still a hot topic in the field of cytology. Ferroptosis is an iron-dependent form of cell death, accompanied by the accumulation of reactive oxygen species and lipid peroxides. With the deepening of research, it has been found that ferroptosis, like autophagy, is involved in the occurrence and development of cardiovascular diseases. The relationship between autophagy and ferroptosis is complex, and the association between the two in cardiovascular disease remains to be clarified. This article reviews the mechanism of autophagy and ferroptosis and their correlation, and discusses the relationship between them in cardiovascular diseases, which is expected to provide new and important treatment strategies for cardiovascular diseases.
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Affiliation(s)
- Yifan Zhang
- School of Biological Science and Technology, University of Jinan, Jinan, China
| | - Junjun Yang
- School of Biological Science and Technology, University of Jinan, Jinan, China
| | - Chenxi Ouyang
- Department of Vascular Surgery, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ning Meng
- School of Biological Science and Technology, University of Jinan, Jinan, China
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10
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Ren H, Su P, Zhao F, Zhang Q, Huang X, He C, Wu Q, Wang Z, Ma J, Wang Z. Adipose mesenchymal stem cell-derived exosomes promote skin wound healing in diabetic mice by regulating epidermal autophagy. BURNS & TRAUMA 2024; 12:tkae001. [PMID: 38434722 PMCID: PMC10905655 DOI: 10.1093/burnst/tkae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 11/11/2023] [Accepted: 01/08/2024] [Indexed: 03/05/2024]
Abstract
Background Adipose mesenchymal stem cell-derived exosomes (ADSC-Exos) have great potential in the field of tissue repair and regenerative medicine, particularly in cases of refractory diabetic wounds. Interestingly, autophagy plays a role in wound healing, and recent research has demonstrated that exosomes are closely associated with intracellular autophagy in biogenesis and molecular signaling mechanisms. Therefore, this study aimed to investigate whether ADSC-Exos promote the repair of diabetic wounds by regulating autophagy to provide a new method and theoretical basis for the treatment of diabetic wounds. Methods Western blot analysis and autophagy double-labelled adenovirus were used to monitor changes in autophagy flow in human immortalized keratinocyte cell line (HaCaT) cells. ADSC-Exos were generated from ADSC supernatants via ultracentrifugation. The effectiveness of ADSC-Exos on HaCaT cells was assessed using a live-cell imaging system, cell counting kit-8 and cell scratch assays. The cells were treated with the autophagy inhibitor bafilomycin A1 to evaluate the effects of autophagy on cell function. The recovery of diabetic wounds after ADSC-Exo treatment was determined by calculating the healing rates and performing histological analysis. High-throughput transcriptome sequencing was used to analyze changes in mRNA expression after the treatment of HaCaT cells with ADSC-Exos. Results ADSC-Exos activated autophagy in HaCaT cells, which was inhibited by high glucose levels, and potentiated their cellular functions. Moreover, ADSC-Exos in combination with the autophagy inhibitor bafilomycin A1 showed that autophagy defects further impaired the biological function of epidermal cells under high-glucose conditions and partially weakened the healing effect of ADSC-Exos. Using a diabetes wound model, we found that ADSC-Exos promoted skin wound healing in diabetic mice, as evidenced by increased epidermal autophagy and rapid re-epithelialization. Finally, sequencing results showed that increased expression of autophagy-related genes nicotinamide phosphoribosyltransferase (NAMPT), CD46, vesicle-associated membrane protein 7 (VAMP7), VAMP3 and eukaryotic translation initiation factor 2 subunit alpha (EIF2S1) may contribute to the underlying mechanism of ADSC-Exo action. Conclusions This study elucidated the molecular mechanism through which ADCS-Exos regulate autophagy in skin epithelial cells, thereby providing a new theoretical basis for the treatment and repair of skin epithelial damage by ADSC-Exos.
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Affiliation(s)
- Haiyue Ren
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
- Department of Pathology, Wuhan Hospital of Traditional Chinese and Western Medicine (Wuhan No.1 Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Peng Su
- Medical Research Center, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Feng Zhao
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China
| | - Qiqi Zhang
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Xing Huang
- Department of General Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Cai He
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Quan Wu
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Zitong Wang
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Jiajie Ma
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
| | - Zhe Wang
- Department of Pathology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang City 110004, Liaoning Province, China
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11
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Zhang LM, Liang XL, Xiong GF, Xing XL, Zhang QJ, Zhang BR, Liu MW. Analysis and identification of oxidative stress-ferroptosis related biomarkers in ischemic stroke. Sci Rep 2024; 14:3803. [PMID: 38360841 PMCID: PMC10869843 DOI: 10.1038/s41598-024-54555-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 02/14/2024] [Indexed: 02/17/2024] Open
Abstract
Studies have shown that a series of molecular events caused by oxidative stress is associated with ferroptosis and oxidation after ischemic stroke (IS). Differential analysis was performed to identify differentially expressed mRNA (DEmRNAs) between IS and control groups. Critical module genes were identified using weighted gene co-expression network analysis (WGCNA). DEmRNAs, critical module genes, oxidative stress-related genes (ORGs), and ferroptosis-related genes (FRGs) were crossed to screen for intersection mRNAs. Candidate mRNAs were screened based on the protein-protein interaction (PPI) network and the MCODE plug-in. Biomarkers were identified based on two types of machine learning algorithms, and the intersection was obtained. Functional items and related pathways of the biomarkers were identified using gene set enrichment analysis (GSEA). Finally, single-sample GSEA (ssGSEA) and Wilcoxon tests were used to identify differential immune cells. An miRNA-mRNA-TF network was created. Quantitative real-time polymerase chain reaction (qRT-PCR) was performed to verify the expression levels of biomarkers in the IS and control groups. There were 8287 DE mRNAs between the IS and control groups. The genes in the turquoise module were selected as critical module genes for IS. Thirty intersecting mRNAs were screened for overlaps. Seventeen candidate mRNAs were also identified. Four biomarkers (CDKN1A, GPX4, PRDX1, and PRDX6) were identified using two types of machine-learning algorithms. GSEA results indicated that the biomarkers were associated with steroid biosynthesis. Nine types of immune cells (activated B cells and neutrophils) were markedly different between the IS and control groups. We identified 3747 miRNA-mRNA-TF regulatory pairs in the miRNA-mRNA-TF regulatory network, including hsa-miR-4469-CDKN1A-BACH2 and hsa-miR-188-3p-GPX4-ATF2. CDKN1A, PRDX1, and PRDX6 were upregulated in IS samples compared with control samples. This study suggests that four biomarkers (CDKN1A, GPX4, PRDX1, and PRDX6) are significantly associated with IS. This study provides a new reference for the diagnosis and treatment of IS.
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Affiliation(s)
- Lin-Ming Zhang
- Department of Neurology, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Xing-Ling Liang
- Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Gui-Fei Xiong
- Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Xuan-Lin Xing
- Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Qiu-Juan Zhang
- Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Bing-Ran Zhang
- Department of Emergency, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Ming-Wei Liu
- Department of Emergency, People's Hospital of Dali Bai Autonomous Prefecture, No. 35 Renmin South Road, Xiaguan Street, Dalí, 671000, Yunnan, China.
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12
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Sun Y, Jiang X, Gao J. Stem cell-based ischemic stroke therapy: Novel modifications and clinical challenges. Asian J Pharm Sci 2024; 19:100867. [PMID: 38357525 PMCID: PMC10864855 DOI: 10.1016/j.ajps.2023.100867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/25/2023] [Accepted: 10/07/2023] [Indexed: 02/16/2024] Open
Abstract
Ischemic stroke (IS) causes severe disability and high mortality worldwide. Stem cell (SC) therapy exhibits unique therapeutic potential for IS that differs from current treatments. SC's cell homing, differentiation and paracrine abilities give hope for neuroprotection. Recent studies on SC modification have enhanced therapeutic effects for IS, including gene transfection, nanoparticle modification, biomaterial modification and pretreatment. These methods improve survival rate, homing, neural differentiation, and paracrine abilities in ischemic areas. However, many problems must be resolved before SC therapy can be clinically applied. These issues include production quality and quantity, stability during transportation and storage, as well as usage regulations. Herein, we reviewed the brief pathogenesis of IS, the "multi-mechanism" advantages of SCs for treating IS, various SC modification methods, and SC therapy challenges. We aim to uncover the potential and overcome the challenges of using SCs for treating IS and convey innovative ideas for modifying SCs.
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Affiliation(s)
- Yuankai Sun
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xinchi Jiang
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jianqing Gao
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou 310058, China
- Department of Pharmacy, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
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13
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Zhou Z, Zhang X, Wang S, Wang X, Mao J. A Powerful Tool in the Treatment of Myocardial Ischemia-Reperfusion Injury: Natural and Nanoscale Modified Small Extracellular Vesicles Derived from Mesenchymal Stem Cells. Int J Nanomedicine 2023; 18:8099-8112. [PMID: 38164265 PMCID: PMC10758182 DOI: 10.2147/ijn.s443716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 12/12/2023] [Indexed: 01/03/2024] Open
Abstract
Myocardial ischemia-reperfusion injury (MI/RI) constitutes a pivotal determinant impacting the long-term prognosis of individuals afflicted by ischemic cardiomyopathy subsequent to reperfusion therapy. Stem cells have garnered extensive application within the realm of MI/RI investigation, yielding tangible outcomes. Stem cell therapy encounters certain challenges in its application owing to the complexities associated with stem cell acquisition, a diminished homing rate, and a brief in vivo lifespan. Small extracellular vesicles (sEV) originating from mesenchymal stem cells (MSCs) have been demonstrated to possess the benefits of abundant availability, reduced immunogenicity, and a diminished tumorigenic incidence. They can exert their effects on damaged organs, improving injuries by transporting a lot of constituents, including proteins, RNA, lipid droplets, and more. This phenomenon has garnered substantial attention in the context of MI/RI treatment. Simultaneously, MSC-derived sEV (MSC-sEV) can exhibit enhanced therapeutic advantages through bioengineering modifications, biomaterial incorporation, and natural drug interventions. Within this discourse, we shall appraise the utilization of MSC-sEV and their derivatives in the context of MI/RI treatment, aiming to offer valuable insights for future research endeavors related to MI/RI.
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Affiliation(s)
- Zhou Zhou
- Cardiovascular Department, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine/National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, People’s Republic of China
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, People’s Republic of China
| | - Xuan Zhang
- Cardiovascular Department, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine/National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, People’s Republic of China
| | - Shuai Wang
- Cardiovascular Department, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine/National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, People’s Republic of China
| | - Xianliang Wang
- Cardiovascular Department, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine/National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, People’s Republic of China
| | - Jingyuan Mao
- Cardiovascular Department, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine/National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, People’s Republic of China
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14
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Pandya K, Singh N. In silico study reveals unconventional interactions between MDC1 of DDR and Beclin-1 of autophagy. Mol Divers 2023; 27:2789-2802. [PMID: 36482226 DOI: 10.1007/s11030-022-10579-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022]
Abstract
DNA damage response (DDR) and autophagy are concerned with maintaining cellular homeostasis and dysregulation of these two pathways lead to pathologic conditions including tumorigenesis. Autophagy is activated as a protective mechanism during DDR which is indicative of their functional cooperativity but the molecular mechanism leading to the convergence of these two pathways during genotoxic stress remains elusive. In this study, through in silico analysis, we have shown an interaction between the Mediator of DNA damage checkpoint 1 (MDC1), an important DDR-associated protein, and Beclin-1, an autophagy inducer. MDC1 is an adaptor or scaffold protein known to regulate DDR, apoptosis, and cell cycle progression. While, Beclin-1 is involved in autophagosome nucleation and exhibits affinity for binding to Fork-head-associated domain (FHA) containing proteins. The FHA domain is commonly conserved in DDR-related proteins including MDC1. Through molecular docking, we have predicted the modeled complex between the MDC1 FHA domain and the Beclin-1 Coiled coil domain (CCD). The docking complex was modeled using ClusPro2.0, based on the crystal structure for the dimerized MDC1 FHA domain and Beclin-1 CCD. The complex stability and binding affinities were assessed using a Ramachandran plot, MD simulation, MM/GBSA, and PRODIGY webserver. Finally, the hot-spot residues at the interface were determined using computational alanine scanning by the DrugScorePPI webserver. Our analysis unveils significant interaction between MDC1 and Beclin-1, involving hydrogen bonds, non-bonded contacts, and salt bridges and indicates MDC1 possibly recruits Beclin-1 to the DSBs, as a consequence of which Beclin-1 is able to modulate DDR.
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Affiliation(s)
- Kavya Pandya
- Department of Biotechnology and Bioengineering, Indian Institute of Advanced Research, Gandhinagar, India
| | - Neeru Singh
- Department of Biotechnology and Bioengineering, Indian Institute of Advanced Research, Gandhinagar, India.
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15
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Gupta S, Silveira DA, Mombach JCM, Hashimoto RF. The lncRNA DLX6-AS1/miR-16-5p axis regulates autophagy and apoptosis in non-small cell lung cancer: A Boolean model of cell death. Noncoding RNA Res 2023; 8:605-614. [PMID: 37767112 PMCID: PMC10520667 DOI: 10.1016/j.ncrna.2023.08.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/25/2023] [Accepted: 08/06/2023] [Indexed: 09/29/2023] Open
Abstract
Long non-coding RNA (lncRNA) distal-less homeobox 6 antisense RNA 1 (DLX6-AS1) is elevated in a variety of cancers, including non-small cell lung cancer (NSCLC) and cervical cancer. Although it was found that the microRNA-16-5p (miR-16), which is known to regulate autophagy and apoptosis, had been downregulated in similar cancers. Recent research has shown that in tumors with similar characteristics, DLX6-AS1 acts as a sponge for miR-16 expression. However, the cell death-related molecular mechanism of the DLX6-AS1/miR-16 axis has yet to be investigated. Therefore, we propose a dynamic Boolean model to investigate gene regulation in cell death processes via the DLX6-AS1/miR-16 axis. We found the finest concordance when we compared our model to many experimental investigations including gain-of-function genes in NSCLC and cervical cancer. A unique positive circuit involving BMI1/ATM/miR-16 is also something we predict. Our results suggest that this circuit is essential for regulating autophagy and apoptosis under stress signals. Thus, our Boolean network enables an evident cell-death process coupled with NSCLC and cervical cancer. Therefore, our results suggest that DLX6-AS1 targeting may boost miR-16 activity and thereby restrict tumor growth in these cancers by triggering autophagy and apoptosis.
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Affiliation(s)
- Shantanu Gupta
- Instituto de Matemática e Estatística, Departamento de Ciência da Computação, Universidade de São Paulo, Rua Do Matão 1010, São Paulo, SP, 05508-090, Brazil
| | - Daner A. Silveira
- Children's Cancer Institute, Porto Alegre, Rio Grande do Sul, Brazil
| | - José Carlos M. Mombach
- Departamento de Física, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Ronaldo F. Hashimoto
- Instituto de Matemática e Estatística, Departamento de Ciência da Computação, Universidade de São Paulo, Rua Do Matão 1010, São Paulo, SP, 05508-090, Brazil
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16
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Liu J, Lu S, Zheng L, Guo Q, Cao L, Xiao Y, Chen D, Zou Y, Liu X, Deng C, Zhang S, Yang R, Wang Y, Zhang Y, Zhang N, Song X, Xing C, Wang Z, Cao L. ATM-CHK2-TRIM32 axis regulates ATG7 ubiquitination to initiate autophagy under oxidative stress. Cell Rep 2023; 42:113402. [PMID: 37943659 DOI: 10.1016/j.celrep.2023.113402] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 10/01/2023] [Accepted: 10/23/2023] [Indexed: 11/12/2023] Open
Abstract
Oxidative stress-induced autophagy helps to prevent cellular damage and to maintain homeostasis. However, the regulatory pathway that initiates autophagy remains unclear. We previously showed that reactive oxygen species (ROS) function as signaling molecules to activate the ATM-CHK2 pathway and promote autophagy. Here, we find that the E3 ubiquitin ligase TRIM32 functions downstream of ATM-CHK2 to regulate ATG7 ubiquitination. Under metabolic stress, ROS induce ATM phosphorylation at S1981, which in turn phosphorylates CHK2 at T68. We show that CHK2 binds and phosphorylates TRIM32 at the S55 site, which then mediates K63-linked ubiquitination of ATG7 at the K45 site to initiate autophagy. In addition, Chk2-/- mice show an aggravated infarction phenotype and reduced phosphorylation of TRIM32 and ubiquitination of ATG7 in a stroke model. We propose a molecular mechanism for autophagy initiation by ROS via the ATM-CHK2-TRIM32-ATG7 axis to maintain intracellular homeostasis and to protect cells exposed to pathological conditions from stress-induced tissue damage.
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Affiliation(s)
- Jingwei Liu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Songming Lu
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Lixia Zheng
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Qiqiang Guo
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Liangzi Cao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Yutong Xiao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Di Chen
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Yu Zou
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Xu Liu
- Department of Neurology, First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province 110001, China
| | - Chengsi Deng
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Siyi Zhang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Ruohan Yang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Yubang Wang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Ying Zhang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Naijin Zhang
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China
| | - Xiaoyu Song
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China.
| | - Chengzhong Xing
- Department of Anus and Intestine Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province 110001, China.
| | - Zhenning Wang
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China.
| | - Liu Cao
- The College of Basic Medical Science, Health Sciences Institute, China Medical University, Shenyang, Liaoning Province 110122, China; Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors of Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province 110122, China.
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17
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Lin W, Zhao XY, Cheng JW, Li LT, Jiang Q, Zhang YX, Han F. Signaling pathways in brain ischemia: Mechanisms and therapeutic implications. Pharmacol Ther 2023; 251:108541. [PMID: 37783348 DOI: 10.1016/j.pharmthera.2023.108541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 09/18/2023] [Accepted: 09/25/2023] [Indexed: 10/04/2023]
Abstract
Ischemic stroke occurs when the arteries supplying blood to the brain are narrowed or blocked, inducing damage to brain tissue due to a lack of blood supply. One effective way to reduce brain damage and alleviate symptoms is to reopen blocked blood vessels in a timely manner and reduce neuronal damage. To achieve this, researchers have focused on identifying key cellular signaling pathways that can be targeted with drugs. These pathways include oxidative/nitrosative stress, excitatory amino acids and their receptors, inflammatory signaling molecules, metabolic pathways, ion channels, and other molecular events involved in stroke pathology. However, evidence suggests that solely focusing on protecting neurons may not yield satisfactory clinical results. Instead, researchers should consider the multifactorial and complex mechanisms underlying stroke pathology, including the interactions between different components of the neurovascular unit. Such an approach is more representative of the actual pathological process observed in clinical settings. This review summarizes recent research on the multiple molecular mechanisms and drug targets in ischemic stroke, as well as recent advances in novel therapeutic strategies. Finally, we discuss the challenges and future prospects of new strategies based on the biological characteristics of stroke.
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Affiliation(s)
- Wen Lin
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, China; International Joint Laboratory for Drug Target of Critical Illnesses, Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Xiang-Yu Zhao
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, China; International Joint Laboratory for Drug Target of Critical Illnesses, Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Jia-Wen Cheng
- Department of Physiology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - Li-Tao Li
- Department of Neurology, Hebei General Hospital, Shijiazhuang 050051, Hebei, China
| | - Quan Jiang
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Yi-Xuan Zhang
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, China; International Joint Laboratory for Drug Target of Critical Illnesses, Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China; Gusu School, Nanjing Medical University, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou 215002, China.
| | - Feng Han
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, China; International Joint Laboratory for Drug Target of Critical Illnesses, Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China; Gusu School, Nanjing Medical University, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou 215002, China; Institute of Brain Science, the Affiliated Brain Hospital of Nanjing Medical University, Nanjing 211166, China.
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18
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Gonzalez Suarez N, Fernandez-Marrero Y, Hébert MPA, Roy ME, Boudreau LH, Annabi B. EGCG inhibits the inflammation and senescence inducing properties of MDA-MB-231 triple-negative breast cancer (TNBC) cells-derived extracellular vesicles in human adipose-derived mesenchymal stem cells. Cancer Cell Int 2023; 23:240. [PMID: 37833751 PMCID: PMC10576371 DOI: 10.1186/s12935-023-03087-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND Triple-negative breast cancer (TNBC) cells' secretome can induce a pro-inflammatory phenotype in human adipose-derived mesenchymal stem cells (hADMSC). This can be prevented by the green tea polyphenol epigallocatechin-3-gallate (EGCG). The impact of EGCG on the paracrine regulation that the extracellular vesicles (EVs) specifically exert within the TNBC secretome remains unknown. METHODS EVs were obtained from a TNBC-derived serum-starved MDA-MB-231 cell model treated or not with EGCG under normoxic or hypoxic (< 1% O2) culture conditions. RNA-Seq analysis was used to assess the EVs' genetic content. The modulation of inflammatory and senescence markers in hADMSC was evaluated by RT-qPCR using cDNA arrays and validated by immunoblotting. A protein profiler phospho-kinase array was used to explore signaling pathways. RESULTS While hypoxic culture conditions did not significantly alter the genetic content of MDA-MB-231-secreted EVs, the addition of EGCG significantly modified EVs genetic material at low oxygen tension. Gene expression of cancer-associated adipocyte pro-inflammatory markers CXCL8, CCL2 and IL-1β was increased in hADMSC treated with EVs. Concomitantly, EVs isolated from MDA-MB-231 treated with EGCG (EGCG-EVs) downregulated CCL2 and IL-1β, while inducing higher expression of CXCL8 and IL-6 levels. EVs activated CHK-2, c-Jun, AKT and GSK-3β signaling pathways in hADMSC, whereas EGCG-EVs specifically reduced the latter two as well as the serum starvation-induced senescence markers p21 and β-galactosidase. Finally, the mitochondrial content within the TNBC cells-derived EVs was found reduced upon EGCG treatment. CONCLUSION This proof of concept study demonstrates that the chemopreventive properties of diet-derived polyphenols may efficiently target the paracrine regulation that TNBC cells could exert upon their surrounding adipose tissue microenvironment.
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Affiliation(s)
- Narjara Gonzalez Suarez
- Laboratoire d'Oncologie Moléculaire, Département de Chimie, Université du Québec À Montréal and CERMO-FC, C.P. 8888, Succ. Centre-Ville, Montreal, QC, H3C 3P8, Canada
| | | | - Mathieu P A Hébert
- Department of Chemistry and Biochemistry, Université de Moncton and New Brunswick Center for Precision Medicine, Moncton, NB, Canada
| | - Marie-Eve Roy
- Laboratoire d'Oncologie Moléculaire, Département de Chimie, Université du Québec À Montréal and CERMO-FC, C.P. 8888, Succ. Centre-Ville, Montreal, QC, H3C 3P8, Canada
| | - Luc H Boudreau
- Department of Chemistry and Biochemistry, Université de Moncton and New Brunswick Center for Precision Medicine, Moncton, NB, Canada
| | - Borhane Annabi
- Laboratoire d'Oncologie Moléculaire, Département de Chimie, Université du Québec À Montréal and CERMO-FC, C.P. 8888, Succ. Centre-Ville, Montreal, QC, H3C 3P8, Canada.
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19
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Walther J, Kirsch EM, Hellwig L, Schmerbeck SS, Holloway PM, Buchan AM, Mergenthaler P. Reinventing the Penumbra - the Emerging Clockwork of a Multi-modal Mechanistic Paradigm. Transl Stroke Res 2023; 14:643-666. [PMID: 36219377 PMCID: PMC10444697 DOI: 10.1007/s12975-022-01090-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/16/2022] [Accepted: 09/21/2022] [Indexed: 11/25/2022]
Abstract
The concept of the ischemic penumbra was originally defined as the area around a necrotic stroke core and seen as the tissue at imminent risk of further damage. Today, the penumbra is generally considered as time-sensitive hypoperfused brain tissue with decreased oxygen and glucose availability, salvageable tissue as treated by intervention, and the potential target for neuroprotection in focal stroke. The original concept entailed electrical failure and potassium release but one short of neuronal cell death and was based on experimental stroke models, later confirmed in clinical imaging studies. However, even though the basic mechanisms have translated well, conferring brain protection, and improving neurological outcome after stroke based on the pathophysiological mechanisms in the penumbra has yet to be achieved. Recent findings shape the modern understanding of the penumbra revealing a plethora of molecular and cellular pathophysiological mechanisms. We now propose a new model of the penumbra, one which we hope will lay the foundation for future translational success. We focus on the availability of glucose, the brain's central source of energy, and bioenergetic failure as core pathophysiological concepts. We discuss the relation of mitochondrial function in different cell types to bioenergetics and apoptotic cell death mechanisms, autophagy, and neuroinflammation, to glucose metabolism in what is a dynamic ischemic penumbra.
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Affiliation(s)
- Jakob Walther
- Charité - Universitätsmedizin Berlin, Department of Neurology with Experimental Neurology, Charitéplatz 1, 10117, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Center for Stroke Research Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Elena Marie Kirsch
- Charité - Universitätsmedizin Berlin, Department of Neurology with Experimental Neurology, Charitéplatz 1, 10117, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Center for Stroke Research Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Lina Hellwig
- Charité - Universitätsmedizin Berlin, Department of Neurology with Experimental Neurology, Charitéplatz 1, 10117, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Center for Stroke Research Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Sarah S Schmerbeck
- Charité - Universitätsmedizin Berlin, Department of Neurology with Experimental Neurology, Charitéplatz 1, 10117, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Center for Stroke Research Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Paul M Holloway
- Acute Stroke Programme, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Alastair M Buchan
- Charité - Universitätsmedizin Berlin, Center for Stroke Research Berlin, Charitéplatz 1, 10117, Berlin, Germany.
- Acute Stroke Programme, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK.
| | - Philipp Mergenthaler
- Charité - Universitätsmedizin Berlin, Department of Neurology with Experimental Neurology, Charitéplatz 1, 10117, Berlin, Germany.
- Charité - Universitätsmedizin Berlin, Center for Stroke Research Berlin, Charitéplatz 1, 10117, Berlin, Germany.
- Charité - Universitätsmedizin Berlin, NeuroCure Clinical Research Center, Charitéplatz 1, 10117, Berlin, Germany.
- Acute Stroke Programme, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK.
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20
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Chen X, Gao R, Song Y, Xu T, Jin L, Zhang W, Chen Z, Wang H, Wu W, Zhang S, Zhang G, Zhang N, Chang L, Liu H, Li H, Wu Y. Astrocytic AT1R deficiency ameliorates Aβ-induced cognitive deficits and synaptotoxicity through β-arrestin2 signaling. Prog Neurobiol 2023; 228:102489. [PMID: 37355221 DOI: 10.1016/j.pneurobio.2023.102489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 06/20/2023] [Indexed: 06/26/2023]
Abstract
Alzheimer's disease (AD) seriously influences human health, and there is no effective treatment to prevent or cure AD. Recent studies have shown that angiotensin II type 1 receptor (AT1R) blockers significantly reduce the prevalence of AD, while the precise role and mechanism of AT1R in AD remain obscure. In this study, for the first time, we identified that astrocytic but not neuronal AT1R levels were significantly increased in AD model rats and found that astrocyte-specific knockout of AT1R significantly ameliorated amyloid β (Aβ)-induced cognitive deficits and synaptotoxicity. Pretreating astrocytes with an AT1R blocker also alleviated Aβ-induced synaptotoxicity in the coculture system of hippocampal neurons and astrocytes. Moreover, AT1R could directly bind to Aβ1-42 and activate the astrocytic β-arrestin2 pathway in a biased manner, and biased inhibition of the astrocytic AT1R/β-arrestin2 pathway relieved Aβ-induced neurotoxicity. Furthermore, we demonstrated that astrocytic AT1R/β-arrestin2 pathway-mediated synaptotoxicity was associated with the aggregation of autophagosomes, which triggered the disordered degradation of Aβ. Our findings reveal a novel molecular mechanism of astrocytic AT1R in Aβ-induced neurodegeneration and might contribute to establishing new targets for AD prevention and therapy.
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Affiliation(s)
- Xinyue Chen
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ruiqi Gao
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Yizhi Song
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Tao Xu
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Liangyun Jin
- Electron Microscope Room of Central Laboratory, Capital Medical University, Beijing 100069, China
| | - Wanning Zhang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ziyan Chen
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Hongqi Wang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Wenxing Wu
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Suli Zhang
- Department of Physiology & Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Guitao Zhang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Ning Zhang
- Department of Neuropsychiatry and Behavioral Neurology and Clinical Psychology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Lirong Chang
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Huirong Liu
- Department of Physiology & Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Hui Li
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China.
| | - Yan Wu
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Anatomy, School of Basic Medical Sciences, Beijing Institute of Brain Disorders, Capital Medical University, Beijing 100069, China.
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21
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Hwang M, Jun DW, Song BR, Shim H, Lee CH, Kim S. Ataxia-Telangiectasia Mutated Is Involved in Autolysosome Formation. Biomol Ther (Seoul) 2023; 31:559-565. [PMID: 36941082 PMCID: PMC10468418 DOI: 10.4062/biomolther.2023.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/15/2023] [Accepted: 02/22/2023] [Indexed: 03/23/2023] Open
Abstract
Ataxia-telangiectasia mutated (ATM), a master kinase of the DNA damage response (DDR), phosphorylates a multitude of substrates to activate signaling pathways after DNA double-strand breaks (DSBs). ATM inhibitors have been evaluated as anticancer drugs to potentiate the cytotoxicity of DNA damage-based cancer therapy. ATM is also involved in autophagy, a conserved cellular process that maintains homeostasis by degrading unnecessary proteins and dysfunctional organelles. In this study, we report that ATM inhibitors (KU-55933 and KU-60019) provoked accumulation of autophagosomes and p62 and restrained autolysosome formation. Under autophagy-inducing conditions, the ATM inhibitors caused excessive autophagosome accumulation and cell death. This new function of ATM in autophagy was also observed in numerous cell lines. Repression of ATM expression using an siRNA inhibited autophagic flux at the autolysosome formation step and induced cell death under autophagy-inducing conditions. Taken together, our results suggest that ATM is involved in autolysosome formation and that the use of ATM inhibitors in cancer therapy may be expanded.
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Affiliation(s)
- Mihwa Hwang
- Research Institute, National Cancer Center, Goyang 10408, Republic of Korea
| | - Dong Wha Jun
- Research Institute, National Cancer Center, Goyang 10408, Republic of Korea
| | - Bo Ram Song
- Research Institute, National Cancer Center, Goyang 10408, Republic of Korea
| | - Hanna Shim
- Research Institute, National Cancer Center, Goyang 10408, Republic of Korea
| | - Chang-Hun Lee
- Research Institute, National Cancer Center, Goyang 10408, Republic of Korea
| | - Sunshin Kim
- Research Institute, National Cancer Center, Goyang 10408, Republic of Korea
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22
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Wang X, Hou X, Wu Y, Guo J, Tai H, Zhang Y, Feng N. D-α-tocopherol polyethylene glycol succinate and Poloxamer 188 modified liposomal chrysin hydrogel for enhanced topical treatment of ultraviolet-induced skin photoaging damage. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
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23
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Wu H, Liu Q, Shan X, Gao W, Chen Q. ATM orchestrates ferritinophagy and ferroptosis by phosphorylating NCOA4. Autophagy 2023; 19:2062-2077. [PMID: 36752571 PMCID: PMC10283418 DOI: 10.1080/15548627.2023.2170960] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 01/12/2023] [Accepted: 01/17/2023] [Indexed: 02/09/2023] Open
Abstract
Ferroptosis is a newly characterized form of programmed cell death, which is driven by the lethal accumulation of lipid peroxides catalyzed by the intracellular bioactive iron. Targeted induction of ferroptotic cell death holds great promise for therapeutic design against other therapy-resistant cancers. To date, multiple post-translational modifications have been elucidated to impinge on the ferroptotic sensitivity. Here we report that the Ser/Thr protein kinase ATM, the major sensor of DNA double-strand break damage, is indispensable for ferroptosis execution. Pharmacological inhibition or genetic ablation of ATM significantly antagonizes ferroptosis. Besides, ATM ablation-induced ferroptotic resistance is largely independent of its downstream target TRP53, as cells defective in both Trp53 and Atm are still more insensitive to ferroptotic inducers than the trp53 single knockout cells. Mechanistically, ATM dominates the intracellular labile free iron by phosphorylating NCOA4, facilitating NCOA4-ferritin interaction and therefore sustaining ferritinophagy, a selective type of macroautophagy/autophagy specifically degrading ferritin for iron recycling. Our results thus uncover a novel regulatory circuit of ferroptosis comprising ATM-NCOA4 in orchestrating ferritinophagy and iron bioavailability.Abbreviations: AMPK: AMP-activated protein kinase; ATM: ataxia telangiectasia mutated; BSO: buthionine sulphoximine; CDKN1A: cyclin-dependent kinase inhibitor 1A (P21); CQ: chloroquine; DFO: deferoxamine; DFP: deferiprone; Fer: ferrostatin-1; FTH1: ferritin heavy polypeptide 1; GPX4: glutathione peroxidase 4; GSH: glutathione; MEF: mouse embryonic fibroblast; NCOA4: nuclear receptor coactivator 4; PFTα: pifithrin-α; PTGS2: prostaglandin-endoperoxide synthase 2; Slc7a11: solute carrier family 7 member 11; Sul: sulfasalazine; TFRC: transferrin receptor; TRP53: transformation related protein 53.
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Affiliation(s)
- Hao Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, Hubei, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Qian Liu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, Hubei, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Xinyi Shan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, Hubei, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Weihua Gao
- Hubei Hongshan Laboratory, Wuhan, Hubei, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, Hubei, China
- State Key Laboratory of Agricultural Microbiology, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Quan Chen
- State key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, China
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24
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Wang XD, Wang JX, Yu BY, Zhang SQ, Hu MH. Non-fused imidazole-biphenyl analogs repress triple-negative breast cancer growth by mainly stabilizing the c-MYC G-quadruplex via a multi-site binding mode. Bioorg Med Chem 2023; 88-89:117336. [PMID: 37209638 DOI: 10.1016/j.bmc.2023.117336] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 05/08/2023] [Accepted: 05/12/2023] [Indexed: 05/22/2023]
Abstract
As oncogene c-MYC is abnormally expressed during TNBC pathogenesis, stabilizing its promoter G-quadruplex (G4), which may thus inhibit c-MYC expression and promote DNA damage, may be a potential anti-TNBC strategy. However, large quantities of potential G4-forming sites exist in the human genome, which represents a potential drug selectivity problem. In order to achieve better recognition for c-MYC G4, we herein presented a new approach of designing small-molecule ligands by linking tandem aromatic rings with the c-MYC G4 selective binding motifs. Thus, a series of non-fused, conformation-tunable imidazole-biphenyl analogs were designed and synthesized. Among them, the optimal ligand appeared more effective on stabilizing c-MYC G4 than other types of G4s possibly through an adaptive, multi-site binding mode involved of end-stacking, groove-binding and loop-interacting. Then, the optimal ligand exerted good inhibitory activity on c-MYC expression and induced remarkable DNA damage, leading to the occurrence of G2/M phase arrest, apoptosis and autophagy. Furthermore, the optimal ligand exhibited potent antitumor effects in a TNBC xenograft tumor model. To sum up, this work offers new insights for the development of selective c-MYC G4 ligands against TNBC.
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Affiliation(s)
- Xiao-Dong Wang
- Nation-Regional Engineering Lab for Synthetic Biology of Medicine, International Cancer Center, School of Pharmacy, Shenzhen University Medical School, Shenzhen 518060, China
| | - Jia-Xin Wang
- Nation-Regional Engineering Lab for Synthetic Biology of Medicine, International Cancer Center, School of Pharmacy, Shenzhen University Medical School, Shenzhen 518060, China
| | - Bing-Ying Yu
- Nation-Regional Engineering Lab for Synthetic Biology of Medicine, International Cancer Center, School of Pharmacy, Shenzhen University Medical School, Shenzhen 518060, China
| | - Shu-Quan Zhang
- Nation-Regional Engineering Lab for Synthetic Biology of Medicine, International Cancer Center, School of Pharmacy, Shenzhen University Medical School, Shenzhen 518060, China
| | - Ming-Hao Hu
- Nation-Regional Engineering Lab for Synthetic Biology of Medicine, International Cancer Center, School of Pharmacy, Shenzhen University Medical School, Shenzhen 518060, China.
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25
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Maudsley S, Schrauwen C, Harputluoğlu İ, Walter D, Leysen H, McDonald P. GPR19 Coordinates Multiple Molecular Aspects of Stress Responses Associated with the Aging Process. Int J Mol Sci 2023; 24:ijms24108499. [PMID: 37239845 DOI: 10.3390/ijms24108499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/15/2023] [Accepted: 04/15/2023] [Indexed: 05/28/2023] Open
Abstract
G protein-coupled receptors (GPCRs) play a significant role in controlling biological paradigms such as aging and aging-related disease. We have previously identified receptor signaling systems that are specifically associated with controlling molecular pathologies associated with the aging process. Here, we have identified a pseudo-orphan GPCR, G protein-coupled receptor 19 (GPR19), that is sensitive to many molecular aspects of the aging process. Through an in-depth molecular investigation process that involved proteomic, molecular biological, and advanced informatic experimentation, this study found that the functionality of GPR19 is specifically linked to sensory, protective, and remedial signaling systems associated with aging-related pathology. This study suggests that the activity of this receptor may play a role in mitigating the effects of aging-related pathology by promoting protective and remedial signaling systems. GPR19 expression variation demonstrates variability in the molecular activity in this larger process. At low expression levels in HEK293 cells, GPR19 expression regulates signaling paradigms linked with stress responses and metabolic responses to these. At higher expression levels, GPR19 expression co-regulates systems involved in sensing and repairing DNA damage, while at the highest levels of GPR19 expression, a functional link to processes of cellular senescence is seen. In this manner, GPR19 may function as a coordinator of aging-associated metabolic dysfunction, stress response, DNA integrity management, and eventual senescence.
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Affiliation(s)
- Stuart Maudsley
- Receptor Biology Lab, University of Antwerp, 2610 Antwerpen, Belgium
| | - Claudia Schrauwen
- Receptor Biology Lab, University of Antwerp, 2610 Antwerpen, Belgium
| | - İrem Harputluoğlu
- Receptor Biology Lab, University of Antwerp, 2610 Antwerpen, Belgium
| | - Deborah Walter
- Receptor Biology Lab, University of Antwerp, 2610 Antwerpen, Belgium
| | - Hanne Leysen
- Receptor Biology Lab, University of Antwerp, 2610 Antwerpen, Belgium
| | - Patricia McDonald
- Moffitt Cancer Center, Department of Metabolism & Physiology, 12902 Magnolia Drive, Tampa, FL 33612, USA
- Lexicon Pharmaceuticals Inc. Research & Development, 2445 Technology Forest, The Woodlands, TX 77381, USA
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26
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Liu J, Zhou T, Dong X, Guo Q, Zheng L, Wang X, Zhang N, Li D, Ren L, Yi F, Zhang Y, Li Z, Wang X, Deng C, Li C, Xu H, Guan Y, Li X, Yu Y, Guo W, Wang Z, Jiang B, Wu X, Bai N, Feng Y, Ma M, Kong Q, Wei J, Wang Z, Li H, Lu S, Cao L, Xiao Y, Song X, Wang Z, Xing C, Cao L. De-ubiquitination of SAMHD1 by USP7 promotes DNA damage repair to overcome oncogenic stress and affect chemotherapy sensitivity. Oncogene 2023:10.1038/s41388-023-02667-w. [PMID: 37081042 DOI: 10.1038/s41388-023-02667-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 03/02/2023] [Accepted: 03/13/2023] [Indexed: 04/22/2023]
Abstract
Oncogenic stress induces DNA damage repair (DDR) that permits escape from mitotic catastrophe and allows early precursor lesions during the evolution of cancer. SAMHD1, a dNTPase protecting cells from viral infections, has been recently found to participate in DNA damage repair process. However, its role in tumorigenesis remains largely unknown. Here, we show that SAMHD1 is up-regulated in early-stage human carcinoma tissues and cell lines under oxidative stress or genotoxic insults. We further demonstrate that de-ubiquitinating enzyme USP7 interacts with SAMHD1 and de-ubiquitinates it at lysine 421, thus stabilizing SAMHD1 protein expression for further interaction with CtIP for DDR, which promotes tumor cell survival under genotoxic stress. Furthermore, SAMHD1 levels positively correlates with USP7 in various human carcinomas, and is associated with an unfavorable survival outcome in patients who underwent chemotherapy. Moreover, USP7 inhibitor sensitizes tumor cells to chemotherapeutic agents by decreasing SAMHD1 in vitro and in vivo. These findings suggest that de-ubiquitination of SAMHD1 by USP7 promotes DDR to overcome oncogenic stress and affect chemotherapy sensitivity.
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Affiliation(s)
- Jingwei Liu
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Tingting Zhou
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiang Dong
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Qiqiang Guo
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Lixia Zheng
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiaoxun Wang
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Naijin Zhang
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Danni Li
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Ling Ren
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Fei Yi
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Ying Zhang
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Ziwei Li
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiwen Wang
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Chengsi Deng
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Chunlu Li
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Hongde Xu
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Yi Guan
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiaoman Li
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Yang Yu
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Wendong Guo
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Zhuo Wang
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Bo Jiang
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xuan Wu
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Ning Bai
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Yanling Feng
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Mengtao Ma
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Qingquan Kong
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Jiayi Wei
- Department of Developmental Cell Biology, Key Laboratory of Cell Biology, Ministry of Public Health, and Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning Province, China
| | - Zhenshuang Wang
- Department of Anus and Intestine Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Hao Li
- Department of Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Songming Lu
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Liangzi Cao
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Yutong Xiao
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China
| | - Xiaoyu Song
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China.
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China.
| | - Zhenning Wang
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China.
| | - Chengzhong Xing
- Department of Anus and Intestine Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China.
| | - Liu Cao
- The College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, China.
- Key Laboratory of Cell Biology of Ministry of Public Health, Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, China Medical University, Shenyang, Liaoning Province, China.
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Ajouaou Y, Magnani E, Madakashira B, Jenkins E, Sadler KC. atm Mutation and Oxidative Stress Enhance the Pre-Cancerous Effects of UHRF1 Overexpression in Zebrafish Livers. Cancers (Basel) 2023; 15:cancers15082302. [PMID: 37190230 DOI: 10.3390/cancers15082302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 03/29/2023] [Indexed: 05/17/2023] Open
Abstract
The ataxia-telangiectasia mutated (atm) gene is activated in response to genotoxic stress and leads to activation of the tp53 tumor suppressor gene which induces either senescence or apoptosis as tumor suppressive mechanisms. Atm also serves non-canonical functions in the response to oxidative stress and chromatin reorganization. We previously reported that overexpression of the epigenetic regulator and oncogene Ubiquitin Like with PHD and Ring Finger Domains 1 (UHRF1) in zebrafish hepatocytes resulted in tp53-dependent hepatocyte senescence, a small liver and larval lethality. We investigated the role of atm on UHRF1-mediated phenotypes by generating zebrafish atm mutants. atm-/- adults were viable but had reduction in fertility. Embryos developed normally but were protected from lethality caused by etoposide or H2O2 exposure and failed to fully upregulate Tp53 targets or oxidative stress response genes in response to these treatments. In contrast to the finding that Tp53 prevents the small liver phenotype caused by UHRF1 overexpression, atm mutation and exposure to H2O2 further reduced the liver size in UHRF1 overexpressing larvae whereas treatment with the antioxidant N-acetyl cysteine suppressed this phenotype. We conclude that UHRF1 overexpression in hepatocytes causes oxidative stress, and that loss of atm further enhances this, triggering elimination of these precancerous cells, leading to a small liver.
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Affiliation(s)
- Yousra Ajouaou
- Program in Biology, New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
- Center for Genomics and Systems Biology (CGSB), New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
| | - Elena Magnani
- Program in Biology, New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
| | - Bhavani Madakashira
- Program in Biology, New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
| | - Eleanor Jenkins
- Program in Biology, New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
| | - Kirsten C Sadler
- Program in Biology, New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
- Center for Genomics and Systems Biology (CGSB), New York University Abu Dhabi, Abu Dhabi P.O. 129188, United Arab Emirates
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28
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Xiaoqing S, Yinghua C, Xingxing Y. The autophagy in ischemic stroke: A regulatory role of non-coding-RNAs. Cell Signal 2023; 104:110586. [PMID: 36608737 DOI: 10.1016/j.cellsig.2022.110586] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/17/2022] [Accepted: 12/31/2022] [Indexed: 01/05/2023]
Abstract
Ischemic stroke (IS) is a central nervous system neurological disorder ascribed to an acute focal trauma, with high mortality and disability, leading to a heavy burden on family and society. Autophagy is a self-digesting process by which damaged organelles and useless proteins are recycled to maintain cellular homeostasis, and plays a pivotal role in the process of IS. Non-coding RNAs (ncRNAs), mainly contains microRNA, long non-coding RNA and circular RNA, have been extensively investigated on regulation of autophagy in human diseases. Recent studies have implied that ncRNAs-regulating autophagy participates in pathophysiological process of IS, including cell apoptosis, inflammation, oxidative stress, blood-brain barrier damage and glial activation, which indicates that regulating autophagy by ncRNAs may be beneficial for IS treatment. This review summarizes the role of autophagy in IS, as well as focuses on the role of ncRNAs-mediated autophagy in IS, for the development of potential therapeutic strategies in this disease.
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Affiliation(s)
- Su Xiaoqing
- The Fifth Department of Acupuncture, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, PR China
| | - Chen Yinghua
- The Fifth Department of Acupuncture, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, PR China.
| | - Yuan Xingxing
- Heilongjiang University of traditional Chinese Medicine, Harbin, Heilongjiang 150040, PR China; Department of internal medicine, Heilongjiang Academy of traditional Chinese Medicine, Harbin, Heilongjiang 150001, PR China.
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29
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Hypoxia-induced autophagy in triple negative breast cancer: association with prognostic variables, patients' survival and response to neoadjuvant chemotherapy. Virchows Arch 2023; 482:823-837. [PMID: 36939902 PMCID: PMC10156790 DOI: 10.1007/s00428-023-03527-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/03/2023] [Accepted: 03/07/2023] [Indexed: 03/21/2023]
Abstract
Autophagy is a cellular response to diverse stresses within tumor microenvironment (TME) such as hypoxia. It enhances cell survival and triggers resistance to therapy. This study investigated the prognostic importance of HIF-1α and miR-210 in triple negative breast cancer (TNBC). Also, we studied the relation between beclin-1 and Bcl-2 and their prognostic relevance in triple negative breast cancer. Furthermore, the involvement of hypoxia-related markers, beclin-1 and Bcl-2 in mediating resistance to neoadjuvant chemotherapy (NACT) in TNBC was evaluated. Immunohistochemistry was performed to evaluate HIF-1α, beclin-1 and Bcl-2 expression whereas, miR-210 mRNA was detected by quantitative reverse transcription PCR (q-PCR) in 60 TNBC patients. High HIF-1α expression was related to larger tumors, grade III cases, positive lymphovascular invasion, advanced stage, high Ki-67 and poor overall survival (OS). High miR-210 and negative Bcl-2 expression were related to nodal metastasis, advanced stage and poor OS. High beclin-1 was associated with grade III, nodal metastasis, advanced stage and poor OS. Also, high beclin-1 and negative Bcl-2 were significantly associated with high HIF-1α and high miR-210. High HIF- 1α, miR-210 and beclin-1 as well as negative Bcl-2 were inversely related to pathologic complete response following NACT. High beclin-1 and lack of Bcl-2 are significantly related to hypoxic TME in TNBC. High HIF-1α, miR-210, and beclin-1 expression together with lack of Bcl-2 are significantly associated with poor prognosis as well as poor response to NACT. HIF-1α and miR-210 could accurately predict response to NACT in TNBC.
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Callaghan CM, Abukhiran IM, Masaadeh A, Van Rheeden RV, Kalen AL, Rodman SN, Petronek MS, Mapuskar KA, George BN, Coleman MC, Goswami PC, Allen BG, Spitz DR, Caster JM. Manipulation of Redox Metabolism Using Pharmacologic Ascorbate Opens a Therapeutic Window for Radio-Sensitization by ATM Inhibitors in Colorectal Cancer. Int J Radiat Oncol Biol Phys 2023; 115:933-944. [PMID: 36228747 PMCID: PMC9974877 DOI: 10.1016/j.ijrobp.2022.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/30/2022] [Accepted: 10/05/2022] [Indexed: 11/11/2022]
Abstract
PURPOSE Ataxia telangiectasia mutated kinase (ATM) inhibitors are potent radiosensitizers that regulate DNA damage responses and redox metabolism, but they have not been translated clinically because of the potential for excess normal tissue toxicity. Pharmacologic ascorbate (P-AscH-; intravenous administration achieving mM plasma concentrations) selectively enhances H2O2-induced oxidative stress and radiosensitization in tumors while acting as an antioxidant and mitigating radiation damage in normal tissues including the bowel. We hypothesized that P-AscH- could enhance the therapeutic index of ATM inhibitor-based chemoradiation by simultaneously enhancing the intended effects of ATM inhibitors in tumors and mitigating off-target effects in adjacent normal tissues. METHODS AND MATERIALS Clonogenic survival was assessed in human (human colon tumor [HCT]116, SW480, HT29) and murine (CT26, MC38) colorectal tumor lines and normal cells (human umbilical vein endothelial cell, FHs74) after radiation ± DNA repair inhibitors ± P-AscH-. Tumor growth delay was assessed in mice with HCT116 or MC38 tumors after fractionated radiation (5 Gy × 3) ± the ATM inhibitor KU60019 ± P-AscH-. Intestinal injury, oxidative damage, and transforming growth factor β immunoreactivity were quantified using immunohistochemistry after whole abdominal radiation (10 Gy) ± KU60019 ± P-AscH-. Cell cycle distribution and ATM subcellular localization were assessed using flow cytometry and immunohistochemistry. The role of intracellular H2O2 fluxes was assessed using a stably expressed doxycycline-inducible catalase transgene. RESULTS KU60019 with P-AscH- enhanced radiosensitization in colorectal cancer models in vitro and in vivo by H2O2-dependent oxidative damage to proteins and enhanced DNA damage, abrogation of the postradiation G2 cell cycle checkpoint, and inhibition of ATM nuclear localization. In contrast, concurrent P-AscH- markedly reduced intestinal toxicity and oxidative damage with KU60019. CONCLUSIONS We provide evidence that redox modulating drugs, such as P-AscH-, may facilitate the clinical translation of ATM inhibitors by enhancing tumor radiosensitization while simultaneously protecting normal tissues.
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Affiliation(s)
- Cameron M Callaghan
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa
| | - Ibrahim M Abukhiran
- Department of Pathology, University of Iowa Hospitals and Clinics and Carver College of Medicine, Iowa City, Iowa
| | - Amr Masaadeh
- Department of Pathology, University of Iowa Hospitals and Clinics and Carver College of Medicine, Iowa City, Iowa
| | | | - Amanda L Kalen
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Samuel N Rodman
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Michael S Petronek
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Kranti A Mapuskar
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Benjamin N George
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa
| | - Mitchell C Coleman
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Prabhat C Goswami
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Bryan G Allen
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Douglas R Spitz
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
| | - Joseph M Caster
- Department of Radiation Oncology, University of Iowa Hospital and Clinics, Iowa City, Iowa; Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa.
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31
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Yan R, Gao W, Chen W, Liu Y, Shen L, Dai Y, Xu R, Chang Q, Fu Y, Zhao Y. rTFPI Protects Cardiomyocytes from Hypoxia/Reoxygenation Injury through Inhibiting Autophagy and the Class III PI3K/Beclin-1 Pathway. Cell Biochem Biophys 2023; 81:97-104. [PMID: 36309623 DOI: 10.1007/s12013-022-01113-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 10/15/2022] [Indexed: 11/25/2022]
Abstract
Autophagy plays various roles at different stages of ischemia reperfusion (I/R) injury in cardiomyocytes. It has been reported that tissue factor pathway inhibitor (TFPI) has a protective effect on I/R injury. This study aimed to determine the roles of TFPI in autophagy during the I/R injury process in cardiomyocytes and the possible mechanisms. An isolated hypoxia/reoxygenation (H/R) pattern of cardiomyocytes was established by the MIC101 system. The cell viability and oxidative stress of cardiomyocytes were detected by an MTT assay and ROS assay, respectively. The autophagy level was measured by Ad-mCherry-GFP-LC3B and MDC. We detected the expression levels of autophagy-related proteins by western blotting. After 2 h of hypoxia and 12 h of reoxygenation, the cardiomyocyte viability in the H/R group was significantly lower than that in the control group (p < 0.05) than in the H/R group. According to intracellular ROS production, the fluorescence intensity in the H/R group was enhanced compared with that in the negative control group, and it was weaker in the H/R + rTFPI group compared with the H/R group. The level of autophagy and the expression levels of autophagy-related proteins (LC3-II/LC3-I, Beclin-1 and PI3K) were markedly increased in the H/R group compared to the control group (p < 0.05) whereas the levels were markedly decreased in the H/R + rTFPI group compared to the H/R group (p < 0.05). TFPI could relieve cardiomyocyte injury by inhibiting the Class III PI3K/Beclin-1 pathway and oxidative stress; thus, TFPI decreased autophagy and protected cardiomyocytes induced by H/R injury. In conclusion, TFPI may be a new direction for the prevention of myocardial I/R injury.
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Affiliation(s)
- Runan Yan
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wei Gao
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wenjia Chen
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yue Liu
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Li Shen
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yue Dai
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Rui Xu
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qing Chang
- Department of Cardiology, Heilongjiang Provincial Hospital, Harbin, China
| | - Yu Fu
- Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Yong Zhao
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
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32
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Li J, Wang Y, Luo Y, Liu Y, Yi Y, Li J, Pan Y, Li W, You W, Hu Q, Zhao Z, Zhang Y, Cao Y, Zhang L, Yuan J, Xiao ZXJ. USP5-Beclin 1 axis overrides p53-dependent senescence and drives Kras-induced tumorigenicity. Nat Commun 2022; 13:7799. [PMID: 36528652 PMCID: PMC9759531 DOI: 10.1038/s41467-022-35557-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022] Open
Abstract
Non-small cell lung cancers (NSCLC) frequently contain KRAS mutation but retain wild-type TP53. Abundant senescent cells are observed in premalignant but not in malignant tumors derived from the Kras-driven mouse model, suggesting that KRAS oncogenic signaling would have to overcome the intrinsic senescence burden for cancer progression. Here, we show that the nuclear Beclin 1-mediated inhibition of p53-dependent senescence drives Kras-mediated tumorigenesis. KRAS activates USP5 to stabilize nuclear Beclin 1, leading to MDM2-mediated p53 protein instability. KrasG12D mice lacking Beclin 1 display retarded lung tumor growth. Knockdown of USP5 or knockout of Becn1 leads to increased senescence and reduced autophagy. Mechanistically, KRAS elevates ROS to induce USP5 homodimer formation by forming the C195 disulfide bond, resulting in stabilization and activation of USP5. Together, these results demonstrate that activation of the USP5-Beclin 1 axis is pivotal in overriding intrinsic p53-dependent senescence in Kras-driven lung cancer development.
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Affiliation(s)
- Juan Li
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yang Wang
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yue Luo
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yang Liu
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yong Yi
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Jinsong Li
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yang Pan
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Weiyuxin Li
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Wanbang You
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Qingyong Hu
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Zhiqiang Zhao
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yujun Zhang
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Yang Cao
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China
| | - Lingqiang Zhang
- grid.419611.a0000 0004 0457 9072State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 100850 China
| | - Junying Yuan
- grid.9227.e0000000119573309Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 100 Haike Rd, Pudong, Shanghai 201210 China
| | - Zhi-Xiong Jim Xiao
- grid.13291.380000 0001 0807 1581Center of Growth, Metabolism and Aging, College of Life Sciences, Sichuan University, Chengdu, 610065 China ,grid.13291.380000 0001 0807 1581State Key Laboratory of Biotherapy, Sichuan University, Chengdu, 610041 China
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4-Methylguaiacol alleviated alcoholic liver injury by increasing antioxidant capacity and enhancing autophagy through the Nrf2-Keap1 pathway. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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34
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Hasan A, Rizvi SF, Parveen S, Mir SS. Molecular chaperones in DNA repair mechanisms: Role in genomic instability and proteostasis in cancer. Life Sci 2022; 306:120852. [DOI: 10.1016/j.lfs.2022.120852] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/14/2022] [Accepted: 07/27/2022] [Indexed: 01/09/2023]
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35
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Chen DQ, Guo Y, Li X, Zhang GQ, Li P. Small molecules as modulators of regulated cell death against ischemia/reperfusion injury. Med Res Rev 2022; 42:2067-2101. [PMID: 35730121 DOI: 10.1002/med.21917] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 11/11/2021] [Accepted: 06/07/2022] [Indexed: 12/13/2022]
Abstract
Ischemia/reperfusion (IR) injury contributes to disability and mortality worldwide. Due to the complicated mechanisms and lack of proper therapeutic targets, few interventions are available that specifically target the pathogenesis of IR injury. Regulated cell death (RCD) of endothelial and parenchymal cells is recognized as the promising intervening target. Recent advances in IR injury suggest that small molecules exhibit beneficial effects on various RCD against IR injury, including apoptosis, necroptosis, autophagy, ferroptosis, pyroptosis, and parthanatos. Here, we describe the mechanisms behind these novel promising therapeutic targets and explain the machinery powering the small molecules. These small molecules exert protection by targeting endothelial or parenchymal cells to alleviate IR injury. Therapies of the ideal combination of small molecules targeting multiple cell types have shown potent synergetic therapeutic effects, laying the foundation for novel strategies to attenuate IR injury.
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Affiliation(s)
- Dan-Qian Chen
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China.,Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Yan Guo
- Department of Internal Medicine, University of New Mexico, Albuquerque, New Mexico, USA
| | - Xin Li
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Guo-Qiang Zhang
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
| | - Ping Li
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
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36
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Rahman MA, Ahmed KR, Rahman MDH, Parvez MAK, Lee IS, Kim B. Therapeutic Aspects and Molecular Targets of Autophagy to Control Pancreatic Cancer Management. Biomedicines 2022; 10:biomedicines10061459. [PMID: 35740481 PMCID: PMC9220066 DOI: 10.3390/biomedicines10061459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 12/29/2022] Open
Abstract
Pancreatic cancer (PC) begins within the organ of the pancreas, which produces digestive enzymes, and is one of the formidable cancers for which appropriate treatment strategies are urgently needed. Autophagy occurs in the many chambers of PC tissue, including cancer cells, cancer-related fibroblasts, and immune cells, and can be fine-tuned by various promotive and suppressive signals. Consequently, the impacts of autophagy on pancreatic carcinogenesis and progression depend greatly on its stage and conditions. Autophagy inhibits the progress of preneoplastic damage during the initial phase. However, autophagy encourages tumor formation during the development phase. Several studies have reported that both a tumor-promoting and a tumor-suppressing function of autophagy in cancer that is likely cell-type dependent. However, autophagy is dispensable for pancreatic ductal adenocarcinoma (PDAC) growth, and clinical trials with autophagy inhibitors, either alone or in combination with other therapies, have had limited success. Autophagy’s dual mode of action makes it therapeutically challenging despite autophagy inhibitors providing increased longevity in medical studies, highlighting the need for a more rigorous review of current findings and more precise targeting strategies. Indeed, the role of autophagy in PC is complicated, and numerous factors must be considered when transitioning from bench to bedside. In this review, we summarize the evidence for the tumorigenic and protective role of autophagy in PC tumorigenesis and describe recent advances in the understanding of how autophagy may be regulated and controlled in PDAC.
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Affiliation(s)
- Md. Ataur Rahman
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
- Global Biotechnology & Biomedical Research Network (GBBRN), Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia 7003, Bangladesh
- Correspondence: (M.A.R.); (B.K.)
| | - Kazi Rejvee Ahmed
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
| | - MD. Hasanur Rahman
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
| | | | - In-Seon Lee
- Acupuncture & Meridian Science Research Center, Kyung Hee University, Seoul 02447, Korea;
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
- Correspondence: (M.A.R.); (B.K.)
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37
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CHK2 Promotes Metabolic Stress-Induced Autophagy through ULK1 Phosphorylation. Antioxidants (Basel) 2022; 11:antiox11061166. [PMID: 35740063 PMCID: PMC9219861 DOI: 10.3390/antiox11061166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 06/03/2022] [Accepted: 06/09/2022] [Indexed: 01/27/2023] Open
Abstract
Reactive oxygen species (ROS) act as a signaling intermediate to promote cellular adaptation to maintain homeostasis by regulating autophagy during pathophysiological stress. However, the mechanism by which ROS promotes autophagy is still largely unknown. Here, we show that the ATM/CHK2/ULK1 axis initiates autophagy to maintain cellular homeostasis by sensing ROS signaling under metabolic stress. We report that ULK1 is a physiological substrate of CHK2, and that the binding of CHK2 to ULK1 depends on the ROS signal and the phosphorylation of threonine 68 of CHK2 under metabolic stress. Further, CHK2 phosphorylates ULK1 on serine 556, and this phosphorylation is dependent on the ATM/CHK2 signaling pathway. CHK2-mediated phosphorylation of ULK1 promotes autophagic flux and inhibits apoptosis induced by metabolic stress. Taken together, these results demonstrate that the ATM/CHK2/ULK1 axis initiates an autophagic adaptive response by sensing ROS, and it protects cells from metabolic stress-induced cellular damage.
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38
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Diclofenac: A Nonsteroidal Anti-Inflammatory Drug Inducing Cancer Cell Death by Inhibiting Microtubule Polymerization and Autophagy Flux. Antioxidants (Basel) 2022; 11:antiox11051009. [PMID: 35624874 PMCID: PMC9138099 DOI: 10.3390/antiox11051009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/15/2022] [Accepted: 05/19/2022] [Indexed: 12/12/2022] Open
Abstract
Diclofenac, a nonsteroidal anti-inflammatory drug (NSAID) used to treat inflammatory diseases induces cellular toxicity by increasing the production of reactive oxygen species (ROS) and impairing autophagic flux. In this study, we investigated whether diclofenac induces cancer cell death and the mechanism by which diclofenac causes cell death. We observed that diclofenac induces mitotic arrest with a half-maximal effective concentration of 170 μM and cell death with a half-maximal lethal dose of 200 µM during 18-h incubation in HeLa cells. Cellular microtubule imaging and in vitro tubulin polymerization assays demonstrated that treatment with diclofenac elicits microtubule destabilization. Autophagy relies on microtubule-mediated transport and the fusion of autophagic vesicles. We observed that diclofenac inhibits both phagophore movement, an early step of autophagy, and the fusion of autophagosomes and lysosomes, a late step of autophagy. Diclofenac also induces the fragmentation of mitochondria and the Golgi during cell death. We found that diclofenac induces cell death further in combination with 5-fuorouracil, a DNA replication inhibitor than in single treatment in cancer cells. Pancreatic cancer cells, which have high basal autophagy, are particularly sensitive to cell death by diclofenac. Our study suggests that microtubule destabilization by diclofenac induces cancer cell death via compromised spindle assembly checkpoints and increased ROS through impaired autophagy flux. Diclofenac may be a candidate therapeutic drug in certain type of cancers by inhibiting microtubule-mediated cellular events in combination with clinically utilized nucleoside metabolic inhibitors, including 5-fluorouracil, to block cancer cell proliferation.
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39
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Yuan Y, Xia F, Gao R, Chen Y, Zhang Y, Cheng Z, Zhao H, Xu L. Kaempferol Mediated AMPK/mTOR Signal Pathway Has a Protective Effect on Cerebral Ischemic-Reperfusion Injury in Rats by Inducing Autophagy. Neurochem Res 2022; 47:2187-2197. [PMID: 35524892 DOI: 10.1007/s11064-022-03604-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 04/05/2022] [Accepted: 04/07/2022] [Indexed: 11/30/2022]
Abstract
Ischemia/reperfusion (I/R) caused by ischemic stroke treatments leads to brain injury and its pathological mechanism is related to autophagy. The underlying mechanism of kaempferol on cerebral I/R injury needs to be explored. To establish I/R injury, we used a middle cerebral artery occlusion-reperfusion (MCAO) model in rats. MCAO rats were treated with the same amount of saline (I/R group); Treatment group rats were treated orally with kaempferol (50, 100, 200 mg/kg) for 7 days before surgery. After reperfusion for 24 h, the scores of neurological deficits and infarct volume in each group were evaluated. LC3, Beclin-1 p62, AMPK and mTOR protein expression levels were examined by TTC staining, immunofluorescence staining, qRT-PCR and western blotting assay. H&E and TTC staining showed that compared with model group, the infarction size of rats in kaempferol group was markedly reduced. Meanwhile, the results showed that kaempferol had a dose-dependent nerve function repairability. Nissl and TUNEL staining showed that kaempferol could reduce neuronal apoptosis and ameliorate neuronal impairment after I/R. Western blotting and qRT-PCR results showed that kaempferol could protect the brain from ischemia reperfusion by activating autophagy. In addition, add AMPK inhibitor, western blotting and immumohistochemical staining showed that kaempferol mediated AMPK/mTOR signal pathway in MCAO rats. Kaempferol could mediate the AMPK signal pathway to regulate autophagy and inhibit apoptosis to protect brain against I/R injury.
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Affiliation(s)
- Yajing Yuan
- Department of Anesthesia, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300052, People's Republic of China
| | - Fei Xia
- Department of Anesthesia, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300052, People's Republic of China
| | - Rong Gao
- Department of Pathology, Gansu Medical College, Lanzhou, 730050, Gansu, People's Republic of China
| | - Yang Chen
- Department of Radiation Oncology, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
| | - Yu Zhang
- Department of Anesthesia, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300052, People's Republic of China
| | - Zhongping Cheng
- Department of Anesthesia, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300052, People's Republic of China
| | - Hongwei Zhao
- Department of Anesthesia, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300052, People's Republic of China
| | - Liming Xu
- Department of Radiation Oncology, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.
- Tianjin Medical University Cancer Institute & Hospital, HuanhuXi Road, TiYuanBei, He Xi District, Tianjin, 300060, China.
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40
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Prerna K, Dubey VK. Beclin1-mediated interplay between autophagy and apoptosis: New understanding. Int J Biol Macromol 2022; 204:258-273. [PMID: 35143849 DOI: 10.1016/j.ijbiomac.2022.02.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 01/04/2023]
Abstract
The definition for autophagy holds a 'single' meaning as a conserved cellular process that constitutes a recycling pathway for damaged organelles and long-lived proteins to maintain nutrient homeostasis and mediate quality control within the cell. But this process of autophagy may behave ambiguously depending on the physiological stress as the stress progresses in the cellular microenvironment; the 'single' meaning of the autophagy changes from the 'cytoplasmic turnover process' to 'tumor suppressive' and a farther extent, 'tumor promoter' process. In a tumorigenic state, the chemotherapy-mediated resistance and intolerance due to upregulated autophagy in cancer cells have become a significant concern. This concern has provided insight to the scientific community to enter into the arena of cross-talk between autophagy and apoptosis. Recent findings and ongoing research have provided insights on some of the key regulators of this cross-talk; one of them is Beclin1 and their involvement in the physiological and the pathophysiological processes; however, reconciliation of these two forms of death remains an arena to be explored extensively. This review sheds light on the interplay between autophagy and apoptosis, emphasizing one of the key players, Beclin1, and its importance in health and diseases.
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Affiliation(s)
- Kumari Prerna
- School of Biochemical Engineering, Indian Institute of Technology (BHU) Varanasi, UP-221005, India
| | - Vikash Kumar Dubey
- School of Biochemical Engineering, Indian Institute of Technology (BHU) Varanasi, UP-221005, India.
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41
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The Interplay between Autophagy and Redox Signaling in Cardiovascular Diseases. Cells 2022; 11:cells11071203. [PMID: 35406767 PMCID: PMC8997791 DOI: 10.3390/cells11071203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 12/20/2022] Open
Abstract
Reactive oxygen and nitrogen species produced at low levels under normal cellular metabolism act as important signal molecules. However, at increased production, they cause damage associated with oxidative stress, which can lead to the development of many diseases, such as cardiovascular, metabolic, neurodegenerative, diabetes, and cancer. The defense systems used to maintain normal redox homeostasis plays an important role in cellular responses to oxidative stress. The key players here are Nrf2-regulated redox signaling and autophagy. A tight interface has been described between these two processes under stress conditions and their role in oxidative stress-induced diseases progression. In this review, we focus on the role of Nrf2 as a key player in redox regulation in cell response to oxidative stress. We also summarize the current knowledge about the autophagy regulation and the role of redox signaling in this process. In line with the focus of our review, we describe in more detail information about the interplay between Nrf2 and autophagy pathways in myocardium and the role of these processes in cardiovascular disease development.
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42
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Feng L, Tian R, Mu X, Chen C, Zhang Y, Cui J, Song Y, Liu Y, Zhang M, Shi L, Sun Y, Li L, Yi W. Identification of Genes Linking Natural Killer Cells to Apoptosis in Acute Myocardial Infarction and Ischemic Stroke. Front Immunol 2022; 13:817377. [PMID: 35432334 PMCID: PMC9012496 DOI: 10.3389/fimmu.2022.817377] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 03/11/2022] [Indexed: 12/27/2022] Open
Abstract
Natural killer (NK) cells are a type of innate lymphoid cell that are involved in the progression of acute myocardial infarction and ischemic stroke. Although multiple forms of programmed cell death are known to play important roles in these diseases, the correlation between NK cells and apoptosis-related genes during acute myocardial infarction and ischemic stroke remains unclear. In this study, we explored the distinct patterns of NK cell infiltration and apoptosis during the pathological progression of acute myocardial infarction and ischemic stroke using mRNA expression microarrays from the Gene Expression Omnibus database. Since the abundance of NK cells correlated positively with apoptosis in both diseases, we further examined the correlation between NK cell abundance and the expression of apoptosis-related genes. Interestingly, APAF1 and IRAK3 expression correlated negatively with NK cell abundance in both acute myocardial infarction and ischemic stroke, whereas ATM, CAPN1, IL1B, IL1R1, PRKACA, PRKACB, and TNFRSF1A correlated negatively with NK cell abundance in acute myocardial infarction. Together, these findings suggest that these apoptosis-related genes may play important roles in the mechanisms underlying the patterns of NK cell abundance and apoptosis in acute myocardial infarction and ischemic stroke. Our study, therefore, provides novel insights for the further elucidation of the pathogenic mechanism of ischemic injury in both the heart and the brain, as well as potential useful therapeutic targets.
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Affiliation(s)
- Lele Feng
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Ruofei Tian
- National Translational Science Center for Molecular Medicine and Department of Cell Biology, Fourth Military Medical University, Xi’an, China
| | - Xingdou Mu
- Department of Breast and Thyroid Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Cheng Chen
- Department of Geriatrics, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- Department of Internal Medicine, Central Health Center of Huilong Town, Shangluo, China
| | - Yuxi Zhang
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Jun Cui
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Yujie Song
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Yingying Liu
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- College of Life Science, Northwest University, Xi’an, China
| | - Miao Zhang
- Department of Geriatrics, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- The Second Clinical Medicine College, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Lei Shi
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Yang Sun
- Department of Geriatrics, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- *Correspondence: Yang Sun, ; Ling Li, ; Wei Yi,
| | - Ling Li
- National Translational Science Center for Molecular Medicine and Department of Cell Biology, Fourth Military Medical University, Xi’an, China
- *Correspondence: Yang Sun, ; Ling Li, ; Wei Yi,
| | - Wei Yi
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- *Correspondence: Yang Sun, ; Ling Li, ; Wei Yi,
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Metabolic Stress and Mitochondrial Dysfunction in Ataxia-Telangiectasia. Antioxidants (Basel) 2022; 11:antiox11040653. [PMID: 35453338 PMCID: PMC9032508 DOI: 10.3390/antiox11040653] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 02/04/2023] Open
Abstract
The ataxia-telangiectasia mutated (ATM) protein kinase is, as the name implies, mutated in the human genetic disorder ataxia-telangiectasia (A-T). This protein has its “finger in many pies”, being responsible for the phosphorylation of many thousands of proteins in different signaling pathways in its role in protecting the cell against a variety of different forms of stress that threaten to perturb cellular homeostasis. The classical role of ATM is the protection against DNA damage, but it is evident that it also plays a key role in maintaining cell homeostasis in the face of oxidative and other forms of non-DNA damaging stress. The presence of ATM is not only in the nucleus to cope with damage to DNA, but also in association with other organelles in the cytoplasm, which suggests a greater protective role. This review attempts to address this greater role of ATM in protecting the cell against both external and endogenous damage.
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44
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Rg1 Protects Hematopoietic Stem Cells from LiCl-Induced Oxidative Stress via Wnt Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:2875583. [PMID: 35388306 PMCID: PMC8977299 DOI: 10.1155/2022/2875583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 01/09/2022] [Accepted: 02/11/2022] [Indexed: 11/22/2022]
Abstract
Background Ginsenoside Rg1 is a major component of ginseng with antioxidative and antiaging effects, which is a traditional Chinese medicine. In this study, we investigated the potential spillover and mechanism of action of Rg1 on LiCl-driven hematopoietic stem cell aging. Results Collect the purified Sca-1+ hematopoietic cells for differentiation ability detection and biochemical and molecular labeling. The experiment found that Rg1 plays an antiaging role in reversing the SA-β-gal staining associated with LiCl-induced hematopoietic stem cell senescence, the increase in p53 and p21 proteins, and sustained DNA damage. At the same time, Rg1 protects hematopoietic cells from the reduced differentiation ability caused by LiCl. In addition, Rg1 increased the excessive inhibition of intracellular GSK-3β protein, resulting in the maintenance of β-catenin protein levels in hematopoietic cells after LiCl treatment. Then, the target gene level of β-catenin can be maintained. Conclusions Rg1 exerts the pharmacological effect of maintaining the activity of GSK-3β in Sca-1+ hematopoietic cells, enhances the antioxidant potential of cells, improves the redox homeostasis, and thus protects cells from the decline in differentiation ability caused by aging. This study provides a potential therapeutic strategy to reduce stem cell pool failure caused by chronic oxidative damage to hematopoietic stem cells.
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45
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Hua Y, Zhang J, Liu Q, Su J, Zhao Y, Zheng G, Yang Z, Zhuo D, Ma C, Fan G. The Induction of Endothelial Autophagy and Its Role in the Development of Atherosclerosis. Front Cardiovasc Med 2022; 9:831847. [PMID: 35402552 PMCID: PMC8983858 DOI: 10.3389/fcvm.2022.831847] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 02/08/2022] [Indexed: 12/29/2022] Open
Abstract
Increasing attention is now being paid to the important role played by autophagic flux in maintaining normal blood vessel walls. Endothelial cell dysfunction initiates the development of atherosclerosis. In the endothelium, a variety of critical triggers ranging from shear stress to circulating blood lipids promote autophagy. Furthermore, emerging evidence links autophagy to a range of important physiological functions such as redox homeostasis, lipid metabolism, and the secretion of vasomodulatory substances that determine the life and death of endothelial cells. Thus, the promotion of autophagy in endothelial cells may have the potential for treating atherosclerosis. This paper reviews the role of endothelial cells in the pathogenesis of atherosclerosis and explores the molecular mechanisms involved in atherosclerosis development.
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Affiliation(s)
- Yunqing Hua
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing Zhang
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qianqian Liu
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing Su
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yun Zhao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guobin Zheng
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Zhihui Yang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Danping Zhuo
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chuanrui Ma
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guanwei Fan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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46
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Guo Y, Tsai HI, Zhang L, Zhu H. Mitochondrial DNA on Tumor-Associated Macrophages Polarization and Immunity. Cancers (Basel) 2022; 14:cancers14061452. [PMID: 35326602 PMCID: PMC8946090 DOI: 10.3390/cancers14061452] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/26/2022] [Accepted: 03/09/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary As the most abundant cell in the tumor microenvironment (TME), tumor-associated macrophages (TAMs) drive tumor progress by inducing angiogenesis, fibrosis, invasion, metastasis, and immunosuppression, which makes these cells an important target for tumor treatment. Recently, the role of free mitochondrial DNA (mtDNA) has attracted increased attention in the regulation of immune cells in the TME. In this review, we first summarize the functional characteristics of macrophages in tumor progression. The release and regulation mechanisms of tumor cell-derived mtDNA in TME are also introduced. Then, the biological effects of endogenous and exogenous mtDNA on macrophages are discussed. Finally, we propose that the effect of mtDNA on macrophages is worthy of attention in the process of tumor treatment, especially in immunotherapy. Our review provides a systematic summary of the effects of mtDNA on the survival, function, and phenotypes of TAMs in the TME. Abstract As the richest immune cells in most tumor microenvironments (TMEs), tumor-associated macrophages (TAMs) play an important role in tumor development and treatment sensitivity. The phenotypes and functions of TAMs vary according to their sources and tumor progression. Different TAM phenotypes display distinct behaviors in terms of tumor immunity and are regulated by intracellular and exogenous molecules. Additionally, dysfunctional and oxidatively stressed mitochondrial-derived mitochondrial DNA (mtDNA) plays an important role in remodeling the phenotypes and functions of TAMs. This article reviews the interactions between mtDNA and TAMs in the TME and further discusses the influence of their performance on tumor genesis and development.
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Affiliation(s)
- Yaxin Guo
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China;
| | - Hsiang-i Tsai
- Laboratory of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China;
| | - Lirong Zhang
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China;
- Correspondence: (L.Z.); (H.Z.); Tel.: +86-18-7960-01735 (H.Z.)
| | - Haitao Zhu
- Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China;
- Laboratory of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China;
- Correspondence: (L.Z.); (H.Z.); Tel.: +86-18-7960-01735 (H.Z.)
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Li Z, Wang S, Li L. Advanced Oxidative Protein Products Drive Trophoblast Cells Into Senescence by Inhibiting the Autophagy: The Potential Implication of Preeclampsia. Front Cell Dev Biol 2022; 10:810282. [PMID: 35356282 PMCID: PMC8959373 DOI: 10.3389/fcell.2022.810282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 02/24/2022] [Indexed: 01/07/2023] Open
Abstract
Introduction: Advanced oxidation protein products (AOPPs), the novel marker of oxidative stress, have been found to be elevated in preeclampsia (PE). To date, the effect of AOPPs on the senescence of trophoblast cells is still unclear. In this study, we investigated whether AOPPs promoted the senescence of trophoblast cells and explored the underlying mechanisms of AOPPs-induced aging process which may facilitate the progression of PE.Methods: The trophoblast cell line HTR-8/SV neo cells were cultured in the presence of PBS, AOPPs, AOPPs plus an anti-oxidant N-acetyl-L-cysteine (NAC). In some experiments, cells were pre-treated with rapamycin (an activator of autophagy), 3-MA (an inhibitor of autophagy), or cyclic pifithrin-α (PFT-α, an antagonist of p53), and then treated with AOPPs. Cellular senescence was analyzed by measuring the levels of senescence-associated β-galactosidase (SA β-Gal), senescence-associated heterochromatin foci (SAHF), mitochondrial membrane potential (ΔΨm), and cell cycle. Cell autophagic flux was analyzed by measuring tandem fluorescence-tagged LC3 reporter (mCherry-EGFP-LC3). Levels of p53, phosphorylated p53 (p-p53), p21, BECN1, p62, p-mTOR and p-p70S6K were measured by western blot.Results: Treatment with AOPPs significantly increased the levels of SA β-Gal and SAHF, the percentage of cells in the G0/G1 phase, and decreased cell ΔΨm compared with the control group. Co-treatment with NAC and AOPPs significantly reversed AOPPs-induced senescence. Pre-treatment with rapamycin or 3-MA significantly inhibited or promoted AOPPs-induced senescence, respectively. In addition, administration of AOPPs significantly decreased the numbers of mCherry+EGFP+ autophagosomes and mCherry+EGFP- autolysosomes in cells compared with cells treated with PBS. Furthermore, AOPPs significantly increased the levels of proteins p-p53, p21, p-mTOR and p-p70S6K compared with the control group. Pre-treatment with rapamycin or PFT-α significantly down-regulated the levels of SA β-Gal, SAHF, p-p53, p21, autophagy related protein p62, the percentage of cells in the G0/G1 phase, and significantly up-regulated ΔΨm, autophagy related protein BECN1, autophagosomes and autolysosomes compared with cells only treated with AOPPs.Conclusion: AOPPs may induce trophoblast cell senescence by inhibiting the autophagy process in a p53/mTOR/p70S6K-dependent pathway.
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Affiliation(s)
- Zhengjuan Li
- Department of Obstetrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Shuoshi Wang
- Department of Obstetrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
| | - Liping Li
- Department of Obstetrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, China
- *Correspondence: Liping Li,
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Magalhaes-Novais S, Blecha J, Naraine R, Mikesova J, Abaffy P, Pecinova A, Milosevic M, Bohuslavova R, Prochazka J, Khan S, Novotna E, Sindelka R, Machan R, Dewerchin M, Vlcak E, Kalucka J, Stemberkova Hubackova S, Benda A, Goveia J, Mracek T, Barinka C, Carmeliet P, Neuzil J, Rohlenova K, Rohlena J. Mitochondrial respiration supports autophagy to provide stress resistance during quiescence. Autophagy 2022; 18:2409-2426. [PMID: 35258392 PMCID: PMC9542673 DOI: 10.1080/15548627.2022.2038898] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Mitochondrial oxidative phosphorylation (OXPHOS) generates ATP, but OXPHOS also supports biosynthesis during proliferation. In contrast, the role of OXPHOS during quiescence, beyond ATP production, is not well understood. Using mouse models of inducible OXPHOS deficiency in all cell types or specifically in the vascular endothelium that negligibly relies on OXPHOS-derived ATP, we show that selectively during quiescence OXPHOS provides oxidative stress resistance by supporting macroautophagy/autophagy. Mechanistically, OXPHOS constitutively generates low levels of endogenous ROS that induce autophagy via attenuation of ATG4B activity, which provides protection from ROS insult. Physiologically, the OXPHOS-autophagy system (i) protects healthy tissue from toxicity of ROS-based anticancer therapy, and (ii) provides ROS resistance in the endothelium, ameliorating systemic LPS-induced inflammation as well as inflammatory bowel disease. Hence, cells acquired mitochondria during evolution to profit from oxidative metabolism, but also built in an autophagy-based ROS-induced protective mechanism to guard against oxidative stress associated with OXPHOS function during quiescence. Abbreviations: AMPK: AMP-activated protein kinase; AOX: alternative oxidase; Baf A: bafilomycin A1; CI, respiratory complexes I; DCF-DA: 2′,7′-dichlordihydrofluorescein diacetate; DHE: dihydroethidium; DSS: dextran sodium sulfate; ΔΨmi: mitochondrial inner membrane potential; EdU: 5-ethynyl-2’-deoxyuridine; ETC: electron transport chain; FA: formaldehyde; HUVEC; human umbilical cord endothelial cells; IBD: inflammatory bowel disease; LC3B: microtubule associated protein 1 light chain 3 beta; LPS: lipopolysaccharide; MEFs: mouse embryonic fibroblasts; MTORC1: mechanistic target of rapamycin kinase complex 1; mtDNA: mitochondrial DNA; NAC: N-acetyl cysteine; OXPHOS: oxidative phosphorylation; PCs: proliferating cells; PE: phosphatidylethanolamine; PEITC: phenethyl isothiocyanate; QCs: quiescent cells; ROS: reactive oxygen species; PLA2: phospholipase A2, WB: western blot.
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Affiliation(s)
- Silvia Magalhaes-Novais
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.,Faculty of Science, Charles University, Prague, Czech Republic
| | - Jan Blecha
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Ravindra Naraine
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Jana Mikesova
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Pavel Abaffy
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Alena Pecinova
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Mirko Milosevic
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.,Faculty of Science, Charles University, Prague, Czech Republic
| | - Romana Bohuslavova
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Jan Prochazka
- Institute of Molecular Genetics, Czech Academy of Sciences, Prague, Czech Republic
| | - Shawez Khan
- VIB-KU Leuven Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Eliska Novotna
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.,Faculty of Science, Charles University, Prague, Czech Republic
| | - Radek Sindelka
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Radek Machan
- Faculty of Science, Charles University, Prague, Czech Republic
| | - Mieke Dewerchin
- VIB-KU Leuven Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Erik Vlcak
- Institute of Molecular Genetics, Czech Academy of Sciences, Prague, Czech Republic
| | - Joanna Kalucka
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus C, Denmark
| | - Sona Stemberkova Hubackova
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.,Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Ales Benda
- Faculty of Science, Charles University, Prague, Czech Republic
| | - Jermaine Goveia
- VIB-KU Leuven Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Tomas Mracek
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Cyril Barinka
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Peter Carmeliet
- VIB-KU Leuven Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium.,Department of Biomedicine, Aarhus University, Aarhus, Denmark.,State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, P. R. China
| | - Jiri Neuzil
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.,School of Medical Science, Griffith University, Southport, Qld, Australia
| | - Katerina Rohlenova
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.,VIB-KU Leuven Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Jakub Rohlena
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
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Zhang S, Peng X, Yang S, Li X, Huang M, Wei S, Liu J, He G, Zheng H, Yang L, Li H, Fan Q. The regulation, function, and role of lipophagy, a form of selective autophagy, in metabolic disorders. Cell Death Dis 2022; 13:132. [PMID: 35136038 PMCID: PMC8825858 DOI: 10.1038/s41419-022-04593-3] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 01/07/2022] [Accepted: 01/27/2022] [Indexed: 12/15/2022]
Abstract
Autophagy is a conserved method of quality control in which cytoplasmic contents are degraded via lysosomes. Lipophagy, a form of selective autophagy and a novel type of lipid metabolism, has recently received much attention. Lipophagy is defined as the autophagic degradation of intracellular lipid droplets (LDs). Although much remains unknown, lipophagy appears to play a significant role in many organisms, cell types, metabolic states, and diseases. It participates in the regulation of intracellular lipid storage, intracellular free lipid levels (e.g., fatty acids), and energy balance. However, it remains unclear how intracellular lipids regulate autophagy. Impaired lipophagy can cause cells to become sensitive to death stimuli and may be responsible for the onset of a variety of diseases, including nonalcoholic fatty liver disease and metabolic syndrome. Like autophagy, the role of lipophagy in cancer is poorly understood, although analysis of specific autophagy receptors has helped to expand the diversity of chemotherapeutic targets. These studies have stimulated increasing interest in the role of lipophagy in the pathogenesis and treatment of cancer and other human diseases.
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Affiliation(s)
- Sheng Zhang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Xueqiang Peng
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shuo Yang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Xinyu Li
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Mingyao Huang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shibo Wei
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Jiaxing Liu
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Guangpeng He
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Hongyu Zheng
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Liang Yang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Hangyu Li
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Qing Fan
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China.
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50
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Ueno S, Sudo T, Hirasawa A. ATM: Functions of ATM Kinase and Its Relevance to Hereditary Tumors. Int J Mol Sci 2022; 23:523. [PMID: 35008949 PMCID: PMC8745051 DOI: 10.3390/ijms23010523] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 02/04/2023] Open
Abstract
Ataxia-telangiectasia mutated (ATM) functions as a key initiator and coordinator of DNA damage and cellular stress responses. ATM signaling pathways contain many downstream targets that regulate multiple important cellular processes, including DNA damage repair, apoptosis, cell cycle arrest, oxidative sensing, and proliferation. Over the past few decades, associations between germline ATM pathogenic variants and cancer risk have been reported, particularly for breast and pancreatic cancers. In addition, given that ATM plays a critical role in repairing double-strand breaks, inhibiting other DNA repair pathways could be a synthetic lethal approach. Based on this rationale, several DNA damage response inhibitors are currently being tested in ATM-deficient cancers. In this review, we discuss the current knowledge related to the structure of the ATM gene, function of ATM kinase, clinical significance of ATM germline pathogenic variants in patients with hereditary cancers, and ongoing efforts to target ATM for the benefit of cancer patients.
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Affiliation(s)
- Sayaka Ueno
- Section of Translational Research, Hyogo Cancer Center, 13-70 Kita-Oji-cho, Akashi-shi 673-8558, Japan;
- Department of Clinical Genomic Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan;
| | - Tamotsu Sudo
- Section of Translational Research, Hyogo Cancer Center, 13-70 Kita-Oji-cho, Akashi-shi 673-8558, Japan;
| | - Akira Hirasawa
- Department of Clinical Genomic Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan;
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