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Liu C, Li X, Zhu H, Wang K, Rong X, Ma L, Zhang X, Liu M, Li W, Sheng W, Zhu B. A simple mitochondria-immobilized fluorescent probe for the detection of hydrogen peroxide. Talanta 2024; 275:126091. [PMID: 38678922 DOI: 10.1016/j.talanta.2024.126091] [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: 01/25/2024] [Revised: 04/07/2024] [Accepted: 04/08/2024] [Indexed: 05/01/2024]
Abstract
Hydrogen peroxide (H2O2), as one of reactive oxygen species (ROS) widely present in the human body, is involved in a variety of physiological activities. Many human diseases are associated with abnormal levels of H2O2 in the body. Mitochondria are the main organelles producing H2O2 in the human body, and monitoring the level of H2O2 in mitochondria can help to deepen the understanding of the detailed functions of H2O2 in physiological activities. However, due to the highly dynamic nature of the cells, real-time quantitative monitoring of H2O2 levels in mitochondria remains an ongoing challenge. Herein, a novel highly immobilized mitochondria-targeting fluorescent probe (QHCl) for detection of H2O2 was reasonably constructed based on quinolinium dye containing benzyl chloride moiety. Spectral experimental results demonstrated QHCl possessed outstanding selectivity toward H2O2 (λex/em = 380/513 nm). In addition, QHCl can quantitatively detect H2O2 in the concentration range of 0-20 μM with excellent sensitivity (LOD = 0.58 μM) under the PBS buffer solution (10 mM, pH = 7.4). Finally, bioimaging experiments demonstrated that the probe QHCl was able to be used for accurately detecting both endogenous and exogenous H2O2 in the mitochondria of living cells and zebrafish by its unique mitochondrial immobilization.
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Affiliation(s)
- Caiyun Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China.
| | - Xinke Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Hanchuang Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Kun Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Xiaodi Rong
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Lixue Ma
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Xiaohui Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Mengyuan Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Wenzhai Li
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250103, China
| | - Wenlong Sheng
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250103, China.
| | - Baocun Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China.
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Deepak K, Roy PK, Das CK, Mukherjee B, Mandal M. Mitophagy at the crossroads of cancer development: Exploring the role of mitophagy in tumor progression and therapy resistance. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119752. [PMID: 38776987 DOI: 10.1016/j.bbamcr.2024.119752] [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: 01/17/2024] [Revised: 04/27/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024]
Abstract
Preserving a functional mitochondrial network is crucial for cellular well-being, considering the pivotal role of mitochondria in ensuring cellular survival, especially under stressful conditions. Mitophagy, the selective removal of damaged mitochondria through autophagy, plays a pivotal role in preserving cellular homeostasis by preventing the production of harmful reactive oxygen species from dysfunctional mitochondria. While the involvement of mitophagy in neurodegenerative diseases has been thoroughly investigated, it is becoming increasingly evident that mitophagy plays a significant role in cancer biology. Perturbations in mitophagy pathways lead to suboptimal mitochondrial quality control, catalyzing various aspects of carcinogenesis, including establishing metabolic plasticity, stemness, metabolic reconfiguration of cancer-associated fibroblasts, and immunomodulation. While mitophagy performs a delicate balancing act at the intersection of cell survival and cell death, mounting evidence indicates that, particularly in the context of stress responses induced by cancer therapy, it predominantly promotes cell survival. Here, we showcase an overview of the current understanding of the role of mitophagy in cancer biology and its potential as a target for cancer therapy. Gaining a more comprehensive insight into the interaction between cancer therapy and mitophagy has the potential to reveal novel targets and pathways, paving the way for enhanced treatment strategies for therapy-resistant tumors in the near future.
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Affiliation(s)
- K Deepak
- Cancer Biology Lab, School of Medical Science & Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
| | - Pritam Kumar Roy
- Cancer Biology Lab, School of Medical Science & Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
| | - Chandan Kanta Das
- Cancer Biology Lab, School of Medical Science & Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India; Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, 421 Curie Boulevard, BRBII/III, Philadelphia, PA, 19104, USA
| | - Budhaditya Mukherjee
- Infectious Disease and Immunology Lab, School of Medical Science & Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
| | - Mahitosh Mandal
- Cancer Biology Lab, School of Medical Science & Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
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3
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Guo X, Zhang Z, Gu J, Ke P, Liu J, Meng Y, Zheng W, Que W, Fan R, Luo J, Xiao F. FUDNC1-dependent mitophagy ameliorate motor neuron death in an amyotrophic lateral sclerosis mouse model. Neurobiol Dis 2024; 197:106534. [PMID: 38759931 DOI: 10.1016/j.nbd.2024.106534] [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: 01/11/2024] [Revised: 05/04/2024] [Accepted: 05/13/2024] [Indexed: 05/19/2024] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is one of the most common neurodegenerative diseases, yet effective treatment is lacking. Moreover, the underlying pathomechanisms of ALS remain unclear, with impaired mitophagy function being increasingly recognized as a contributing factor. FUN14 domain-containing protein 1 (FUNDC1) is an autophagy receptor localized to the outer mitochondrial membrane and a mitochondrial membrane protein that mediates mitophagy and therefore considered as important factor in neurodegenerative diseases. However, its specific role in ALS is not yet clear. Therefore, this study aimed to investigate the regulatory role of FUNDC1 in ALS and determine its regulatory mechanisms. ALS transgenic mice were obtained and maintained under standard conditions. Cell lines were generated by stable transfection with hSOD1G93A or control vectors. Mice received intrathecal injections of AAV9 vectors expressing FUNDC1 or EGFP. Motor function was assessed through behavioral tests, and histological and immunostaining analyses were performed. Colocalization analysis was conducted in transfected cells, and protein expression was evaluated via western blotting. We first observed that FUNDC1 was significantly downregulated in the spinal cord tissues of SOD1G93A mice. FUNDC1 overexpression considerably improved locomotor activity and prolonged survival time in SOD1G93A mice. Mechanistically, reduced expression of FUNDC1 resulted in decreased mitophagy, as indicated by decreased recruitment through LC3 in SOD1G93A mice and cellular models. Consequently, this led to increased mitochondrial accumulation and cell apoptosis, exacerbating the ALS phenotype. Furthermore, we identified transcription factor FOXD3 as an essential upstream factor of FUNDC1, resulting in reduced transcription of FUNDC1 in ALS lesions. This study suggests a novel strategy of targeting FUNDC1-mediated mitophagy for developing therapeutic interventions to mitigate disease progression and improve outcomes for ALS patients.
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Affiliation(s)
- Xia Guo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China; Department of Neurology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Zhuo Zhang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - Juan Gu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China; Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - PingYang Ke
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - Jing Liu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - Yuan Meng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - Wei Zheng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - WenJun Que
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - Rui Fan
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China
| | - Jing Luo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China.
| | - Fei Xiao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing 400016, China.
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Tan S, Ge Y, Bi J. Methylation regulation for FUNDC1 stability in childhood leukemia was up-regulated and facilitates metastasis and reduces ferroptosis of leukemia through mitochondrial damage by FBXL2. Open Med (Wars) 2024; 19:20230810. [PMID: 38947217 PMCID: PMC11211875 DOI: 10.1515/med-2023-0810] [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: 06/18/2023] [Revised: 08/21/2023] [Accepted: 09/04/2023] [Indexed: 07/02/2024] Open
Abstract
Leukemia, the most common malignant tumor in childhood, can be categorized into acute leukemia and chronic leukemia. However, the role of FUNDC1 in childhood leukemia (CL) remains unknown. This study aims to investigate the effects of FUNDC1 on patients with CL and its underlying mechanism both in vivo and in vitro. The mRNA expression levels of FUNDC1 were found to be up-regulated in serum samples from CL patients as well as in leukemia cell lines. Furthermore, it was observed that the mRNA expression of FUNDC1 was lower in stage I-II CL patients compared to stage III-IV patients. The up-regulation of FUNDC1 was found to promote leukemia metastasis. Additionally, it was discovered that FUNDC1 up-regulation reduces ferroptosis by inhibiting mitochondrial damage. In a leukemia model, FUNDC1 up-regulation induces the expression of FBXL2. Moreover, FUNDC1 up-regulation reduces FBXL2 ubiquitination, thus maintaining FBXL2 protein expression in leukemia. By inducing FBXL2, FUNDC1 reduces ferroptosis in leukemia through the inhibition of mitochondrial damage. The stability of FUNDC1 is controlled by METTL3 methylation. Overall, this study sheds light on the role of FUNDC1 in CL and provides insights into its underlying mechanisms.
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Affiliation(s)
- Sihai Tan
- Department of Pediatric, Hubei Enshi Tujia and Miao Autonomous Prefecture Central Hospital, Hubei Province, Enshi445000, China
| | - Yirong Ge
- Department of Pediatric, Hubei Enshi Tujia and Miao Autonomous Prefecture Central Hospital, Hubei Province, Enshi445000, China
| | - Jing Bi
- Department of Pediatric, Hubei Enshi Tujia and Miao Autonomous Prefecture Central Hospital, Hubei Province, Enshi445000, China
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Liu J, Li H, Dong Q, Liang Z. Multi omics analysis of mitophagy subtypes and integration of machine learning for predicting immunotherapy responses in head and neck squamous cell carcinoma. Aging (Albany NY) 2024; 16:205964. [PMID: 38913914 DOI: 10.18632/aging.205964] [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: 12/12/2023] [Accepted: 03/29/2024] [Indexed: 06/26/2024]
Abstract
Mitophagy serves as a critical mechanism for tumor cell death, significantly impacting the progression of tumors and their treatment approaches. There are significant challenges in treating patients with head and neck squamous cell carcinoma, underscoring the importance of identifying new targets for therapy. The function of mitophagy in head and neck squamous carcinoma remains uncertain, thus investigating its impact on patient outcomes and immunotherapeutic responses is especially crucial. We initially analyzed the differential expression, prognostic value, intergene correlations, copy number variations, and mutation frequencies of mitophagy-related genes at the pan-cancer level. Through unsupervised clustering, we divided head and neck squamous carcinoma into three subtypes with distinct prognoses, identified the signaling pathway features of each subtype using ssGSEA, and characterized subtype B as having features of an immune desert using various immune infiltration calculation methods. Using multi-omics data, we identified the genomic variation characteristics, mutated gene pathway features, and drug sensitivity features of the mitophagy subtypes. Utilizing a combination of 10 machine learning algorithms, we have developed a prognostic scoring model called Mitophagy Subgroup Risk Score (MSRS), which is used to predict patient survival and the response to immune checkpoint blockade therapy. Simultaneously, we applied MSRS to single-cell analysis to explore intercellular communication. Through laboratory experiments, we validated the biological function of SLC26A9, one of the genes in the risk model. In summary, we have explored the significant role of mitophagy in head and neck tumors through multi-omics data, providing new directions for clinical treatment.
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Affiliation(s)
- Junzhi Liu
- Department of Otorhinolaryngology, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Huimin Li
- Laboratory of Cancer Cell Biology, National Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Qiuping Dong
- Laboratory of Cancer Cell Biology, National Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Zheng Liang
- Department of Otorhinolaryngology, Tianjin Medical University General Hospital, Tianjin 300052, China
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Hao XN, Zhao N, Huang JM, Li SY, Wei D, Pu N, Peng GH, Tao Y. Intravitreal Injection of ZYAN1 Restored Autophagy and Alleviated Oxidative Stress in Degenerating Retina via the HIF-1α/BNIP3 Pathway. Antioxidants (Basel) 2023; 12:1914. [PMID: 38001767 PMCID: PMC10669006 DOI: 10.3390/antiox12111914] [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: 09/06/2023] [Revised: 10/06/2023] [Accepted: 10/08/2023] [Indexed: 11/26/2023] Open
Abstract
Mitochondrial autophagy plays a contributary role in the pathogenesis of retina degeneration (RD). ZYAN1 is a novel proline hydroxylase domain (PHD) inhibitor that can enhance the expression of hypoxia-inducible factor 1-alpha (HIF-1α). This study investigated whether ZYAN1 could alleviate progressive photoreceptor loss and oxidative damage in a pharmacologically induced RD model via the modulation of mitophagy. ZYAN1 was injected into the vitreous body of the RD model, and the retinal autophagy level was analyzed. The therapeutic effects of ZYAN1 were evaluated via a function examination, a morphological assay, in situ reactive oxygen species (ROS) detection, and an immunofluorescence assay. It was shown that the thickness of the outer nuclear layer (ONL) increased significantly, and visual function was efficiently preserved via ZYAN1 treatment. The mitochondria structure of photoreceptors was more complete in the ZYAN1-treated mice, and the number of autophagosomes also increased significantly. Membrane disc shedding and ROS overproduction were alleviated after ZYAN1 treatment, and the axonal cilia were more structurally intact. A Western blot analysis showed that the expression levels of the autophagy-related proteins LC3-B, Beclin-1, and ATG5 increased significantly after ZYAN1 treatment, while the expression of P62 was down-regulated. Moreover, the expression levels of HIF-1α and BNIP3 were up-regulated after ZYAN1 treatment. Therefore, an intravitreal injection of ZYAN1 can act as part of the pharmacologic strategy to modulate mitophagy and alleviate oxidative stress in RD. These findings enrich our knowledge of RD pathology and provide insights for the discovery of a therapeutic molecule.
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Affiliation(s)
| | | | | | | | | | | | - Guang-Hua Peng
- Department of Physiology and Neurobiology, Laboratory of Visual Cell Differentiation and Regulation, School of Basic Medical Sciences, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China; (X.-N.H.); (N.Z.); (J.-M.H.); (S.-Y.L.); (D.W.); (N.P.)
| | - Ye Tao
- Department of Physiology and Neurobiology, Laboratory of Visual Cell Differentiation and Regulation, School of Basic Medical Sciences, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China; (X.-N.H.); (N.Z.); (J.-M.H.); (S.-Y.L.); (D.W.); (N.P.)
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7
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Fang L, Zhang M, Li J, Zhou L, Tamm M, Roth M. Airway Smooth Muscle Cell Mitochondria Damage and Mitophagy in COPD via ERK1/2 MAPK. Int J Mol Sci 2022; 23:ijms232213987. [PMID: 36430467 PMCID: PMC9694999 DOI: 10.3390/ijms232213987] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by irreversible deterioration of the airway wall. Cigarette smoking is the major trigger, and in vitro studies showed that cigarette smoke extract (CSE) induced mitophagy in airway epithelial cells via oxidative stress, but this mechanism was not studied in airway smooth muscle cells (ASMCs). Primary ASMCs isolated from COPD patients or non-disease donors were investigated for CSE-induced remodeling and mitochondria structure. Proteins were assessed by Western blots for remodeling: collagen type-I, α-smooth muscle actin (α-SMA) and fibronectin; autophagy: beclin-1, protein62 (p62), light chain (LC)3A/B; mitochondria activity: mitochondrially encoded cytochrome c oxidase II & -IV (MTCO2, MTCO4), peroxisome proliferator activated receptor gamma coactivator 1α (PGC-1α); lysosomes: early endosome antigen 1, lysosome activated membrane protein 1; and cell signaling: extracellular signal regulated kinase (ERK1/2). Lysotracker and Mitotracker were used to monitor mitochondria morphology and organelle co-localization. Compared with controls, untreated COPD ASMCs showed lower collagen type-I and α-SMA expressions, but increased fibronectin levels. CSE further downregulated collagen type-I and α-SMA expression, but upregulated fibronectin. CSE decreased PGC-1α, MTCO2, and MTCO4, but increased beclin-1, p62, and LC3. CSE upregulated mitophagy and lysosomes activity via ERK1/2 phosphorylation. In vitro, cigarette smoke induced the deterioration of ASMCs, which might explain the tissue loss and structural remodeling in COPD bronchi. The results suggest that preventing exceeded mitophagy in ASMCs might present a novel therapeutic target for COPD.
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Affiliation(s)
- Lei Fang
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Ming Zhang
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710049, China
| | - Junling Li
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- The First Dongguan Affiliated Hospital of Guangdong Medical University, Dongguan 523000, China
| | - Liang Zhou
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Michael Tamm
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Michael Roth
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
- Correspondence:
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8
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Song C, Pan S, Zhang J, Li N, Geng Q. Mitophagy: A novel perspective for insighting into cancer and cancer treatment. Cell Prolif 2022; 55:e13327. [PMID: 36200262 DOI: 10.1111/cpr.13327] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/13/2022] [Accepted: 08/02/2022] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND Mitophagy refers to the selective self-elimination of mitochondria under damaged or certain developmental conditions. As an important regulatory mechanism to remove damaged mitochondria and maintain the internal and external cellular balance, mitophagy plays pivotal roles in carcinogenesis and progression as well as treatment. MATERIALS AND METHODS Here, we combined data from recent years to comprehensively describe the regulatory mechanisms of mitophagy and its multifaceted significance in cancer, and discusse the potential of targeted mitophagy as a cancer treatment strategy. RESULTS The molecular mechanisms regulating mitophagy are complex, diverse, and cross-talk. Inducing or blocking mitophagy has the same or completely different effects in different cancer contexts. Mitophagy plays an indispensable role in regulating cancer metabolic reprogramming, cell stemness, and chemotherapy resistance for better adaptation to tumor microenvironment. In cancer cell biology, mitophagy is considered to be a double-edged sword. And to fully understand the role of mitophagy in cancer development can provide new targets for cancer treatment in clinical practice. CONCLUSIONS This review synthesizes a large body of data to comprehensively describe the molecular mechanisms of mitophagy and its multidimensional significance in cancer and cancer treatment, which will undoubtedly deepen the understanding of mitophagy.
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Affiliation(s)
- Congkuan Song
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shize Pan
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jinjin Zhang
- Department of Emergency, Taihe Hospital, Shiyan, China
| | - Ning Li
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qing Geng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
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Fialova JL, Hönigova K, Raudenska M, Miksatkova L, Zobalova R, Navratil J, Šmigová J, Moturu TR, Vicar T, Balvan J, Vesela K, Abramenko N, Kejik Z, Kaplanek R, Gumulec J, Rosel D, Martasek P, Brábek J, Jakubek M, Neuzil J, Masarik M. Pentamethinium salts suppress key metastatic processes by regulating mitochondrial function and inhibiting dihydroorotate dehydrogenase respiration. Biomed Pharmacother 2022; 154:113582. [DOI: 10.1016/j.biopha.2022.113582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 11/02/2022] Open
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Tan N, Liu T, Wang X, Shao M, Zhang M, Li W, Ling G, Jiang J, Wang Q, Li J, Li C, Wang W, Wang Y. The multi-faced role of FUNDC1 in mitochondrial events and human diseases. Front Cell Dev Biol 2022; 10:918943. [PMID: 35959490 PMCID: PMC9358025 DOI: 10.3389/fcell.2022.918943] [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: 04/14/2022] [Accepted: 06/28/2022] [Indexed: 11/29/2022] Open
Abstract
Mitophagy plays a vital role in the selective elimination of dysfunctional and unwanted mitochondria. As a receptor of mitophagy, FUN14 domain containing 1 (FUNDC1) is attracting considerably critical attention. FUNDC1 is involved in the mitochondria fission, the clearance of unfolded protein, iron metabolism in mitochondria, and the crosstalk between mitochondria and endoplasmic reticulum besides mitophagy. Studies have demonstrated that FUNDC1 is associated with the progression of ischemic disease, cancer, and metabolic disease. In this review, we systematically examine the recent advancements in FUNDC1 and the implications of this protein in health and disease.
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Affiliation(s)
- Nannan Tan
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Tianhua Liu
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoping Wang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Mingyan Shao
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Miao Zhang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Weili Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Guanjing Ling
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jinchi Jiang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Qiyan Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Li
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Chun Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Chun Li, ; Wei Wang, ; Yong Wang,
| | - Wei Wang
- School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Chun Li, ; Wei Wang, ; Yong Wang,
| | - Yong Wang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Chun Li, ; Wei Wang, ; Yong Wang,
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11
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Ma N, Shangguan F, Zhou H, Huang H, Lei J, An J, Jin G, Zhuang W, Zhou S, Wu S, Xia H, Yang H, Lan L. 6-methoxydihydroavicine, the alkaloid extracted from Macleaya cordata (Willd.) R. Br. (Papaveraceae), triggers RIPK1/Caspase-dependent cell death in pancreatic cancer cells through the disruption of oxaloacetic acid metabolism and accumulation of reactive oxygen species. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 102:154164. [PMID: 35597026 DOI: 10.1016/j.phymed.2022.154164] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/04/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Many extracts and purified alkaloids of M. cordata (Papaveraceae family) have been reported to display promising anti-tumor effects by inhibiting cancer cell growth and inducing apoptosis in many cancer types. However, no evidence currently exists for anti-pancreatic cancer activity of alkaloids extracted from M. cordata, including a novel alkaloid named 6‑methoxy dihydrosphingosine (6-Methoxydihydroavicine, 6-ME) derived from M. cordata fruits. PURPOSE The aim of this study was to investigate the anti-tumor effects of 6-ME on PC cells and the underlying mechanism. METHODS CCK-8, RTCA, and colony-formation assays were used to analyze PC cell growth. Cell death ratios, changes in MMP and ROS levels were measured by flow cytometry within corresponding detection kits. A Seahorse XFe96 was employed to examine the effects of 6-ME on cellular bioenergetics. Western blot and q-RT-PCR were conducted to detect changes in target molecules. RESULTS 6-ME effectively reduced the growth of PC cells and promoted PCD by activating RIPK1, caspases, and GSDME. Specifically, 6-ME treatment caused a disruption of OAA metabolism and increased ROS production, thereby affecting mitochondrial homeostasis and reducing aerobic glycolysis. These responses resulted in mitophagy and RIPK1-mediated cell death. CONCLUSION 6-ME exhibited specific anti-tumor effects through interrupting OAA metabolic homeostasis to trigger ROS/RIPK1-dependent cell death and mitochondrial dysfunction, suggesting that 6-ME could be considered as a highly promising compound for PC intervention.
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Affiliation(s)
- Nengfang Ma
- School of Life and Environmental Sciences, Wenzhou University, Wenzhou 325000, China; Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Fugen Shangguan
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Hongfei Zhou
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Huimin Huang
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, University Town, Ouhai District, Wenzhou 325000, China
| | - Jun Lei
- State Key Laboratory of Virology, Hubei Key Laboratory of Cell Homeostasis, Department of Biochemistry and Molecular Biology, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Jing An
- Division of Infectious Diseases and Global Health, School of Medicine, University of California San Diego (UCSD), LaJolla, CA 92037, United States of America
| | - Guihua Jin
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Weiwei Zhuang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Shipeng Zhou
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Shijia Wu
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Hongping Xia
- Henan Medical School & Huaihe Hospital & The First Affiliated Hospital, Henan University, Kaifeng, China.
| | - Hailong Yang
- School of Life and Environmental Sciences, Wenzhou University, Wenzhou 325000, China.
| | - Linhua Lan
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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12
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Popov LD. Mitochondrial-derived vesicles: Recent insights. J Cell Mol Med 2022; 26:3323-3328. [PMID: 35582908 PMCID: PMC9189329 DOI: 10.1111/jcmm.17391] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/10/2022] [Accepted: 04/28/2022] [Indexed: 11/25/2022] Open
Abstract
The generation of vesicles is a constitutive attribute of mitochondria inherited from bacterial ancestors. The physiological conditions and mild oxidative stress promote oxidation and dysfunction of certain proteins and lipids within the mitochondrial membranes; these constituents are subsequently packed as small mitochondrial‐derived vesicles (MDVs) (70–150 nm in diameter) and are transported intracellularly to lysosomes and peroxisomes to be degraded. In this way, MDVs remove the damaged mitochondrial components, preserve mitochondrial structural and functional integrity and restore homeostasis. An outline of the current knowledge on MDVs seems to be necessary for understanding the potential impact of this research area in cellular (patho)physiology. The present synopsis is an attempt towards the accomplishment of this demand, highlighting also the still unclear issues related to MDVs. Here, we discuss (i) MDVs budding and generation (molecules and mechanisms), (ii) the distinct cargoes packed and transported by MDVs, (iii) the MDVs trafficking pathways and (iv) the biological role of MDVs, from quality controllers to the involvement in organellar crosstalk, mitochondrial antigen presentation and peroxisome de novo biogenesis. These complex roles uncover also mitochondria integration into the cellular environment. As the therapeutic exploitation of MDVs is currently limited, future insights into MDVs cell biology are expected to direct to novel diagnostic tools and treatments.
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Affiliation(s)
- Lucia-Doina Popov
- "Nicolae Simionescu" Institute of Cellular Biology and Pathology of the Romanian Academy, Bucharest, Romania
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13
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Induction and Detection of Mitophagy. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2445:227-239. [PMID: 34972995 DOI: 10.1007/978-1-0716-2071-7_14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Mitophagy, a process of selective elimination of mitochondria by autophagy, is a mechanism of mitochondrial quality control that maintains mitochondrial network functionality. The elimination of damaged mitochondria through autophagy requires two steps: induction of general autophagy and priming of damaged mitochondria for selective autophagic recognition. Mitophagy impairment is linked to various pathologies; thus, removal of malfunctioning or even harmful mitochondria is vital to cellular physiology. Here, we describe methods that can be applied to the investigation of mitophagy.
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14
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Chemotherapy Resistance: Role of Mitochondrial and Autophagic Components. Cancers (Basel) 2022; 14:cancers14061462. [PMID: 35326612 PMCID: PMC8945922 DOI: 10.3390/cancers14061462] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Chemotherapy resistance is a common occurrence during cancer treatment that cancer researchers are attempting to understand and overcome. Mitochondria are a crucial intracellular signaling core that are becoming important determinants of numerous aspects of cancer genesis and progression, such as metabolic reprogramming, metastatic capability, and chemotherapeutic resistance. Mitophagy, or selective autophagy of mitochondria, can influence both the efficacy of tumor chemotherapy and the degree of drug resistance. Regardless of the fact that mitochondria are well-known for coordinating ATP synthesis from cellular respiration in cellular bioenergetics, little is known its mitophagy regulation in chemoresistance. Recent advancements in mitochondrial research, mitophagy regulatory mechanisms, and their implications for our understanding of chemotherapy resistance are discussed in this review. Abstract Cancer chemotherapy resistance is one of the most critical obstacles in cancer therapy. One of the well-known mechanisms of chemotherapy resistance is the change in the mitochondrial death pathways which occur when cells are under stressful situations, such as chemotherapy. Mitophagy, or mitochondrial selective autophagy, is critical for cell quality control because it can efficiently break down, remove, and recycle defective or damaged mitochondria. As cancer cells use mitophagy to rapidly sweep away damaged mitochondria in order to mediate their own drug resistance, it influences the efficacy of tumor chemotherapy as well as the degree of drug resistance. Yet despite the importance of mitochondria and mitophagy in chemotherapy resistance, little is known about the precise mechanisms involved. As a consequence, identifying potential therapeutic targets by analyzing the signal pathways that govern mitophagy has become a vital research goal. In this paper, we review recent advances in mitochondrial research, mitophagy control mechanisms, and their implications for our understanding of chemotherapy resistance.
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15
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Wang L, Jiang W, Wang J, Xie Y, Wang W. Puerarin inhibits FUNDC1-mediated mitochondrial autophagy and CSE-induced apoptosis of human bronchial epithelial cells by activating the PI3K/AKT/mTOR signaling pathway. Aging (Albany NY) 2022; 14:1253-1264. [PMID: 35134750 PMCID: PMC8876910 DOI: 10.18632/aging.203317] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 03/27/2021] [Indexed: 12/30/2022]
Abstract
Increasing evidence suggests that the pathogenesis of chronic obstructive pulmonary disease (COPD) is associated with FUN14 domain protein 1 (FUNDC1)-mediated mitophagy. Recently, studies have reported that puerarin has protective effects against excessive oxidative damage in cells. Therefore, we hypothesized that puerarin may be involved in COPD progression via regulating FUNDC1 mediated mitophagy. We found that the viability of cigarette smoke extract (CSE)-stimulated human bronchial epithelial cells (HBECs) was enhanced and apoptosis was reduced after treatment with different concentrations of puerarin. Puerarin reversed mitochondrial membrane potential (MMP) levels and ATP content, and decreased reactive oxygen species (ROS) content in CSE stimulated HBECs. Moreover, puerarin significantly inhibited apoptosis related proteins, as well as the expression of mitophagy related proteins. After inhibition of FUNDC1 phosphorylation by protein phosphatase inhibitor (PH0321), puerarin restored MMP level, decreased ROS content, promoted ATP synthesis, and downregulated autophagy related protein expression in HBECs. In addition, mitochondrial division inhibitor (Mdivi) inhibited the expression of autophagy related proteins and reduced apoptosis after blocking cell autophagy, which was the same as the inhibition of puerarin. Finally, puerarin activated the PI3K/Akt/mTOR signaling pathway to participate in COPD progression by up regulating the phosphorylation levels of PI3K, Akt and mTOR.
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Affiliation(s)
- Li Wang
- Department of Respiratory Medicine, Yan’an University Affiliated Hospital, Yan’an 716000, China
| | - Weizhou Jiang
- Department of Pulmonology, Weifang Traditional Chinese Hospital, Weifang 261041, China
| | - Jing Wang
- Endoscopy Room, Tai’an Maternal and Child Health Hospital, Tai’an 271000, China
| | - Yuanyuan Xie
- Department of Geriatrics, Yan’an University Affiliated Hospital, Yan’an 716000, China
| | - Weisi Wang
- Department of Respiratory Medicine, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310005, China
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16
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Choubey V, Zeb A, Kaasik A. Molecular Mechanisms and Regulation of Mammalian Mitophagy. Cells 2021; 11:38. [PMID: 35011599 PMCID: PMC8750762 DOI: 10.3390/cells11010038] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 02/07/2023] Open
Abstract
Mitochondria in the cell are the center for energy production, essential biomolecule synthesis, and cell fate determination. Moreover, the mitochondrial functional versatility enables cells to adapt to the changes in cellular environment and various stresses. In the process of discharging its cellular duties, mitochondria face multiple types of challenges, such as oxidative stress, protein-related challenges (import, folding, and degradation) and mitochondrial DNA damage. They mitigate all these challenges with robust quality control mechanisms which include antioxidant defenses, proteostasis systems (chaperones and proteases) and mitochondrial biogenesis. Failure of these quality control mechanisms leaves mitochondria as terminally damaged, which then have to be promptly cleared from the cells before they become a threat to cell survival. Such damaged mitochondria are degraded by a selective form of autophagy called mitophagy. Rigorous research in the field has identified multiple types of mitophagy processes based on targeting signals on damaged or superfluous mitochondria. In this review, we provide an in-depth overview of mammalian mitophagy and its importance in human health and diseases. We also attempted to highlight the future area of investigation in the field of mitophagy.
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Affiliation(s)
- Vinay Choubey
- Department of Pharmacology, Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 19, 50411 Tartu, Estonia; (A.Z.); (A.K.)
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17
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Zhang X, Feng J, Li X, Wu D, Wang Q, Li S, Shi C. Mitophagy in Diabetic Kidney Disease. Front Cell Dev Biol 2021; 9:778011. [PMID: 34957109 PMCID: PMC8703169 DOI: 10.3389/fcell.2021.778011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/10/2021] [Indexed: 12/17/2022] Open
Abstract
Diabetic kidney disease (DKD) is the most common cause of end-stage kidney disease worldwide and is the main microvascular complication of diabetes. The increasing prevalence of diabetes has increased the need for effective treatment of DKD and identification of new therapeutic targets for better clinical management. Mitophagy is a highly conserved process that selectively removes damaged or unnecessary mitochondria via the autophagic machinery. Given the important role of mitophagy in the increased risk of DKD, especially with the recent surge in COVID-19-associated diabetic complications, in this review, we provide compelling evidence for maintaining homeostasis in the glomeruli and tubules and its underlying mechanisms, and offer new insights into potential therapeutic approaches for treatment of DKD.
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Affiliation(s)
| | | | | | | | | | - Shuyu Li
- School of Basic Medical Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Changhua Shi
- School of Basic Medical Sciences, Beijing University of Chinese Medicine, Beijing, China
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18
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Denisenko TV, Gogvadze V, Zhivotovsky B. Mitophagy in carcinogenesis and cancer treatment. Discov Oncol 2021; 12:58. [PMID: 35201480 PMCID: PMC8777571 DOI: 10.1007/s12672-021-00454-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 11/17/2021] [Indexed: 02/07/2023] Open
Abstract
In order to maintain a functional mitochondrial network, cells have developed a quality control mechanism, namely mitophagy. This process can be induced through different pathways. The most studied is the so-called PINK1/Parkin pathway, which is associated with ubiquitylation of several mitochondrial proteins that were initially found to be related to Parkinson's disease. Another type of mitophagy is known as receptor-mediated mitophagy, which includes proteins, such as BNIP3 and BNIP3L, also known as Nix. Through these two mechanisms, mitophagy fulfills its functions and maintains cellular homeostasis. Here, we summarize the current knowledge about the mechanisms of mitophagy regulation and their interplay with cancer progression as well as anticancer treatment.
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Affiliation(s)
| | - Vladimir Gogvadze
- MV Lomonosov Moscow State University, 119991, Moscow, Russia
- Institute of Environmental Medicine, Division of Toxicology, Karolinska Institutet, Box 210, 171 77, Stockholm, Sweden
| | - Boris Zhivotovsky
- MV Lomonosov Moscow State University, 119991, Moscow, Russia.
- Institute of Environmental Medicine, Division of Toxicology, Karolinska Institutet, Box 210, 171 77, Stockholm, Sweden.
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19
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Chen G, Chen L, Huang Y, Zhu X, Yu Y. Increased FUN14 domain containing 1 (FUNDC1) ubiquitination level inhibits mitophagy and alleviates the injury in hypoxia-induced trophoblast cells. Bioengineered 2021; 13:3620-3633. [PMID: 34699308 PMCID: PMC8974051 DOI: 10.1080/21655979.2021.1997132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Preeclampsia (PE) is a pregnancy disorder characterized by excessive trophoblast cell death. This study aims to explore the exact mechanism of the ubiquitination level of FUN14 domain containing 1 (FUNDC1) in mitophagy and injury in hypoxic trophoblast cells. In this study, HTR-8/SVneo trophoblast cells were cultured under normoxic and hypoxic conditions and PE mouse model was established. We found low ubiquitination level of FUNDC1 in hypoxic trophoblast cells and placenta of pregnant women with PE. Proteasome inhibitor MG-132 and protease activator MF-094 were added into HTR-8/SVneo trophoblast cells. Proteasome inhibitor MG-132 decreased FUNDC1 ubiquitination level while protease activator MF-094 increased FUNDC1 ubiquitination level. Inhibition of FUNDC1 ubiquitination promoted mitophagy and mitochondrial membrane potential (Δψm) in normoxic trophoblast cells, increased levels of reactive oxygen species (ROS) and malondialdehyde (MDA) and decreased levels of glutathione (GSH) and superoxide dismutase (SOD). In addition, FUNDC1 ubiquitination alleviated cell injury in PE mice in vivo. In conclusion, increased FUNDC1 ubiquitination level inhibited mitophagy and Δψm changes in hypoxic trophoblast cells, and thus alleviated oxidative injury.
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Affiliation(s)
- GuoQing Chen
- Department of Obstetrics, Shenzhen Maternity & Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, Guangdong 518028; China
| | - Lu Chen
- Department of Obstetrics, Shenzhen Maternity & Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, Guangdong 518028; China
| | - Yan Huang
- Department of Obstetrics, Shenzhen Maternity & Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, Guangdong 518028; China
| | - XiongShan Zhu
- Department of Obstetrics, Shenzhen Maternity & Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, Shenzhen, Guangdong 518028; China
| | - YuanLan Yu
- Department of Emergency, Shenzhen Children's Hospital, Shenzhen, Guangdong 518026, China
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20
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Li Y, Li W, Hoffman AR, Cui J, Hu JF. The Nucleus/Mitochondria-Shuttling LncRNAs Function as New Epigenetic Regulators of Mitophagy in Cancer. Front Cell Dev Biol 2021; 9:699621. [PMID: 34568319 PMCID: PMC8455849 DOI: 10.3389/fcell.2021.699621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 08/20/2021] [Indexed: 12/18/2022] Open
Abstract
Mitophagy is a specialized autophagic pathway responsible for the selective removal of damaged or dysfunctional mitochondria by targeting them to the autophagosome in order to maintain mitochondria quality. The role of mitophagy in tumorigenesis has been conflicting, with the process both supporting tumor cell survival and promoting cell death. Cancer cells may utilize the mitophagy pathway to augment their metabolic requirements and resistance to cell death, thereby leading to increased cell proliferation and invasiveness. This review highlights major regulatory pathways of mitophagy involved in cancer. In particular, we summarize recent progress regarding how nuclear-encoded long non-coding RNAs (lncRNAs) function as novel epigenetic players in the mitochondria of cancer cells, affecting the malignant behavior of tumors by regulating mitophagy. Finally, we discuss the potential application of regulating mitophagy as a new target for cancer therapy.
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Affiliation(s)
- Yan Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China.,Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA, United States
| | - Wei Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China
| | - Andrew R Hoffman
- Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA, United States
| | - Jiuwei Cui
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China
| | - Ji-Fan Hu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China.,Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA, United States
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21
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Zhang W. The mitophagy receptor FUN14 domain-containing 1 (FUNDC1): A promising biomarker and potential therapeutic target of human diseases. Genes Dis 2021; 8:640-654. [PMID: 34291135 PMCID: PMC8278526 DOI: 10.1016/j.gendis.2020.08.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 08/22/2020] [Accepted: 08/26/2020] [Indexed: 01/11/2023] Open
Abstract
Mitochondrial autophagy (mitophagy) is the selective clearance of damaged or incomplete mitochondria by autophagy, which is critical for the functional integrity of the entire mitochondrial network and cell survival. Because dysfunction of mitophagy is closely related to many diseases, it is important to study the specific molecular mechanism and pathophysiological significance of mitophagy. FUN14 domain-containing 1 (FUNDC1) is a newly identified mitochondrial outer membrane protein that induces receptor-mediated mitophagy by its interaction with LC3 during hypoxia. The expression, phosphorylation, regulation and significance of FUNDC1 are reviewed in the context of a large number of pathophysiological conditions. Emerging evidence has demonstrated that levels and phosphorylation states of FUNDC1 are closely related to occurrence, progression and prognosis of various diseases including heart diseases and cancers, indicating that FUNDC1 may serve as a promising biomarker and potential therapeutic target.
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Affiliation(s)
- Weilin Zhang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100864, PR China
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22
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He C, Lu S, Wang XZ, Wang CC, Wang L, Liang SP, Luo TF, Wang ZC, Piao MH, Chi GF, Ge PF. FOXO3a protects glioma cells against temozolomide-induced DNA double strand breaks via promotion of BNIP3-mediated mitophagy. Acta Pharmacol Sin 2021; 42:1324-1337. [PMID: 33879840 PMCID: PMC8285492 DOI: 10.1038/s41401-021-00663-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 03/17/2021] [Indexed: 02/02/2023] Open
Abstract
FOXO3a (forkhead box transcription factor 3a) is involved in regulating multiple biological processes in cancer cells. BNIP3 (Bcl-2/adenovirus E1B 19-kDa-interacting protein 3) is a receptor accounting for priming damaged mitochondria for autophagic removal. In this study we investigated the role of FOXO3a in regulating the sensitivity of glioma cells to temozolomide (TMZ) and its relationship with BNIP3-mediated mitophagy. We showed that TMZ dosage-dependently inhibited the viability of human U87, U251, T98G, LN18 and rat C6 glioma cells with IC50 values of 135.75, 128.26, 142.65, 155.73 and 111.60 μM, respectively. In U87 and U251 cells, TMZ (200 μM) induced DNA double strand breaks (DSBs) and nuclear translocation of apoptosis inducing factor (AIF), which was accompanied by BNIP3-mediated mitophagy and FOXO3a accumulation in nucleus. TMZ treatment induced intracellular ROS accumulation in U87 and U251 cells via enhancing mitochondrial superoxide, which not only contributed to DNA DSBs and exacerbated mitochondrial dysfunction, but also upregulated FOXO3a expression. Knockdown of FOXO3a aggravated TMZ-induced DNA DSBs and mitochondrial damage, as well as glioma cell death. TMZ treatment not only upregulated BNIP3 and activated autophagy, but also triggered mitophagy by prompting BNIP3 translocation to mitochondria and reinforcing BNIP3 interaction with LC3BII. Inhibition of mitophagy by knocking down BNIP3 with SiRNA or blocking autophagy with 3MA or bafilomycin A1 exacerbated mitochondrial superoxide and intracellular ROS accumulation. Moreover, FOXO3a knockdown inhibited TMZ-induced BNIP3 upregulation and autophagy activation. In addition, we showed that treatment with TMZ (100 mg·kg-1·d-1, ip) for 12 days in C6 cell xenograft mice markedly inhibited tumor growth accompanied by inducing FOXO3a upregulation, oxidative stress and BNIP3-mediated mitophagy in tumor tissues. These results demonstrate that FOXO3a attenuates temozolomide-induced DNA double strand breaks in human glioma cells via promoting BNIP3-mediated mitophagy.
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Affiliation(s)
- Chuan He
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Shan Lu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Xuan-Zhong Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Chong-Cheng Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Lei Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Shi-Peng Liang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Tian-Fei Luo
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
- Department of Neurology, First Hospital of Jilin University, Changchun, 130021, China
| | - Zhen-Chuan Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Mei-Hua Piao
- Department of Anesthesiology, First hospital of Jilin University, Changchun, 130021, China
| | - Guang-Fan Chi
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, China
| | - Peng-Fei Ge
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China.
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China.
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23
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Dankó T, Petővári G, Sztankovics D, Moldvai D, Raffay R, Lőrincz P, Visnovitz T, Zsiros V, Barna G, Márk Á, Krencz I, Sebestyén A. Rapamycin Plus Doxycycline Combination Affects Growth Arrest and Selective Autophagy-Dependent Cell Death in Breast Cancer Cells. Int J Mol Sci 2021; 22:ijms22158019. [PMID: 34360785 PMCID: PMC8347279 DOI: 10.3390/ijms22158019] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/20/2021] [Accepted: 07/22/2021] [Indexed: 12/22/2022] Open
Abstract
Metabolic alteration is characteristic during tumour growth and therapy; however, targeting metabolic rewiring could overcome therapy resistance. mTOR hyperactivity, autophagy and other metabolic processes, including mitochondrial functions, could be targeted in breast cancer progression. We investigated the growth inhibitory mechanism of rapamycin + doxycycline treatment in human breast cancer model systems. Cell cycle and cell viability, including apoptotic and necrotic cell death, were analysed using flow cytometry, caspase activity measurements and caspase-3 immunostainings. mTOR-, autophagy-, necroptosis-related proteins and treatment-induced morphological alterations were analysed by WesTM, Western blot, immunostainings and transmission electron microscopy. The rapamycin + doxycycline combination decreased tumour proliferation in about 2/3rd of the investigated cell lines. The continuous treatment reduced tumour growth significantly both in vivo and in vitro. The effect after short-term treatment was reversible; however, autophagic vacuoles and degrading mitochondria were detected simultaneously, and the presence of mitophagy was also observed after the long-term rapamycin + doxycycline combination treatment. The rapamycin + doxycycline combination did not cause apoptosis or necrosis/necroptosis, but the alterations in autophagy- and mitochondria-related protein levels (LC3-B-II/I, p62, MitoTracker, TOM20 and certain co-stainings) were correlated to autophagy induction and mitophagy, without mitochondria repopulation. Based on these results, we suggest considering inducing metabolic stress and targeting mTOR hyperactivity and mitochondrial functions in combined anti-cancer treatments.
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Affiliation(s)
- Titanilla Dankó
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Gábor Petővári
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Dániel Sztankovics
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Dorottya Moldvai
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Regina Raffay
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Péter Lőrincz
- Department of Anatomy, Cell and Developmental Biology, Eotvos Lorand University, Pázmány Péter sétány 1/c, H-1117 Budapest, Hungary;
| | - Tamás Visnovitz
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad tér 4, H-1089 Budapest, Hungary;
| | - Viktória Zsiros
- Department of Anatomy, Histology and Embryology, Semmelweis University, Tűzoltó utca 58, H-1094 Budapest, Hungary;
| | - Gábor Barna
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Ágnes Márk
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Ildikó Krencz
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
| | - Anna Sebestyén
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői út 26, H-1085 Budapest, Hungary; (T.D.); (G.P.); (D.S.); (D.M.); (R.R.); (G.B.); (Á.M.); (I.K.)
- Correspondence:
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Zhu H, Toan S, Mui D, Zhou H. Mitochondrial quality surveillance as a therapeutic target in myocardial infarction. Acta Physiol (Oxf) 2021; 231:e13590. [PMID: 33270362 DOI: 10.1111/apha.13590] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/06/2020] [Accepted: 11/27/2020] [Indexed: 12/22/2022]
Abstract
Myocardial infarction (MI) is a leading cause of morbidity and mortality worldwide. As mitochondrial dysfunction critically contributes to the pathogenesis of MI, intensive research is focused on the development of therapeutic strategies targeting mitochondrial homeostasis. Mitochondria possess a quality control system which maintains and restores their structure and function by regulating mitochondrial fission, fusion, biogenesis, degradation and death. In response to slight damage such as transient hypoxia or mild oxidative stress, mitochondrial metabolism shifts from oxidative phosphorylation to glycolysis, in order to reduce oxygen consumption and maintain ATP output. Mitochondrial dynamics are also activated to modify mitochondrial shape and structure, in order to meet cardiomyocyte energy requirements through augmenting or reducing mitochondrial mass. When damaged mitochondria cannot be repaired, poorly structured mitochondria will be degraded through mitophagy, a process which is often accompanied by mitochondrial biogenesis. Once the insult is severe enough to induce lethal damage in the mitochondria and the cell, mitochondrial death pathway activation is an inevitable consequence, and the cardiomyocyte apoptosis or necrosis program will be initiated to remove damaged cells. Mitochondrial quality surveillance is a hierarchical system preserving mitochondrial function and defending cardiomyocytes against stress. A failure of this system has been regarded as one of the potential pathologies underlying MI. In this review, we discuss the recent findings focusing on the role of mitochondrial quality surveillance in MI, and highlight the available therapeutic approaches targeting mitochondrial quality surveillance during MI.
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Affiliation(s)
- Hang Zhu
- Department of Cardiology Chinese PLA General HospitalMedical School of Chinese PLA Beijing China
| | - Sam Toan
- Department of Chemical Engineering University of Minnesota‐Duluth Duluth MN USA
| | - David Mui
- Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
| | - Hao Zhou
- Department of Cardiology Chinese PLA General HospitalMedical School of Chinese PLA Beijing China
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25
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Yu H, Sun C, Gong Q, Feng D. Mitochondria-Associated Endoplasmic Reticulum Membranes in Breast Cancer. Front Cell Dev Biol 2021; 9:629669. [PMID: 33634130 PMCID: PMC7902067 DOI: 10.3389/fcell.2021.629669] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 01/08/2021] [Indexed: 11/23/2022] Open
Abstract
Mitochondria-associated ER membranes (MAMs) represent a crucial intracellular signaling hub, that regulates various cellular events including Ca2+ homeostasis, lipid metabolism, mitochondrial function, and cellular survival and death. All of these MAM-mediated cellular events contribute to carcinogenesis. Indeed, altered functions of MAMs in several types of cancers have been documented, in particular for breast cancer. Over the past years, altered expression of many MAM-resident proteins have been reported in breast cancer. These MAM-resident proteins play an important role in regulation of breast cancer initiation and progression. In the current review, we discuss our current knowledge about the functions of MAMs, and address the underlying mechanisms through which MAM-resident proteins regulate breast cancer. A fuller understanding of the pathways through which MAMs regulate breast cancer, and identification of breast cancer-specific MAM-resident proteins may help to develop novel therapeutic strategies for breast cancer.
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Affiliation(s)
- Hongjiao Yu
- Department of Biochemistry and Molecular Biology, Guangzhou Medical University-Guangzhou Institutes of Biomedicine and Health (GMU-GIBH) Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Chaonan Sun
- Department of Biochemistry and Molecular Biology, Guangzhou Medical University-Guangzhou Institutes of Biomedicine and Health (GMU-GIBH) Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Qing Gong
- Department of Biochemistry and Molecular Biology, Guangzhou Medical University-Guangzhou Institutes of Biomedicine and Health (GMU-GIBH) Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Du Feng
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
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26
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Gil-Hernández A, Silva-Palacios A. Relevance of endoplasmic reticulum and mitochondria interactions in age-associated diseases. Ageing Res Rev 2020; 64:101193. [PMID: 33069818 DOI: 10.1016/j.arr.2020.101193] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/29/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023]
Abstract
Although the elixir of youth remains in the darkness, medical and scientific advances have succeeded in increasing human longevity; however, the predisposition to disease and its high economic cost are raising. Different strategies (e.g., antioxidants) and signaling pathways (e.g., Nrf2) have been identified to help regulate disease progression, nevertheless, there are still missing links that we need to understand. Contact sites called mitochondria-associated membranes (MAM) allow bi-directional communication between organelles as part of the essential functions in the cell to maintain its homeostasis. Different groups have deeply studied the role of MAM in aging; however, it's necessary to analyze their involvement in the progression of age-related diseases. In this review, we highlight the role of contact sites in these conditions, as well as the morphological and functional changes of mitochondria and ER in aging. We emphasize the intimate relationship between both organelles as a reflection of the biological processes that take place in the cell to try to regulate the deterioration characteristic of the aging process; proposing MAM as a potential target to help limit the disease progression with age.
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27
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Xie Y, Liu J, Kang R, Tang D. Mitophagy Receptors in Tumor Biology. Front Cell Dev Biol 2020; 8:594203. [PMID: 33262988 PMCID: PMC7686508 DOI: 10.3389/fcell.2020.594203] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/21/2020] [Indexed: 12/13/2022] Open
Abstract
Mitochondria are multifunctional organelles that regulate cancer biology by synthesizing macromolecules, producing energy, and regulating cell death. The understanding of mitochondrial morphology, function, biogenesis, fission and fusion kinetics, and degradation is important for the development of new anticancer strategies. Mitophagy is a type of selective autophagy that can degrade damaged mitochondria under various environmental stresses, especially oxidative damage and hypoxia. The key regulator of mitophagy is the autophagy receptor, which recognizes damaged mitochondria and allows them to enter autophagosomes by binding to MAP1LC3 or GABARAP, and then undergo lysosomal-dependent degradation. Many components of mitochondria, including mitochondrial membrane proteins (e.g., PINK1, BNIP3L, BNIP3, FUNDC1, NIPSNAP1, NIPSNAP2, BCL2L13, PHB2, and FKBP8) and lipids (e.g., cardiolipin and ceramides), act as mitophagy receptors in a context-dependent manner. Dysfunctional mitophagy not only inhibits, but also promotes, tumorigenesis. Similarly, mitophagy plays a dual role in chemotherapy, radiotherapy, and immunotherapy. In this review, we summarize the latest advances in the mechanisms of mitophagy and highlight the pathological role of mitophagy receptors in tumorigenesis and treatment.
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Affiliation(s)
- Yangchun Xie
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jiao Liu
- The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Rui Kang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Daolin Tang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, United States
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28
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Genovese I, Vezzani B, Danese A, Modesti L, Vitto VAM, Corazzi V, Pelucchi S, Pinton P, Giorgi C. Mitochondria as the decision makers for cancer cell fate: from signaling pathways to therapeutic strategies. Cell Calcium 2020; 92:102308. [PMID: 33096320 DOI: 10.1016/j.ceca.2020.102308] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023]
Abstract
As pivotal players in cellular metabolism, mitochondria have a double-faceted role in the final decision of cell fate. This is true for all cell types, but it is even more important and intriguing in the cancer setting. Mitochondria regulate cell fate in many diverse ways: through metabolism, by producing ATP and other metabolites deemed vital or detrimental for cancer cells; through the regulation of Ca2+ homeostasis, especially by the joint participation of the endoplasmic reticulum in a membranous tethering system for Ca2+ signaling called mitochondria-ER associated membranes (MAMs); and by regulating signaling pathways involved in the survival of cancer cells such as mitophagy. Recent studies have shown that mitochondria can also play a role in the regulation of inflammatory pathways in cancer cells, for example, through the release of mitochondrial DNA (mtDNA) involved in the activation of the cGAS-cGAMP-STING pathway. In this review, we aim to explore the role of mitochondria as decision makers in fostering cancer cell death or survival depending on the tumor cell stage and describe novel anticancer therapeutic strategies targeting mitochondria.
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Affiliation(s)
- Ilaria Genovese
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Bianca Vezzani
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Alberto Danese
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Lorenzo Modesti
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Veronica Angela Maria Vitto
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Virginia Corazzi
- ENT & Audiology Department, University Hospital of Ferrara, Ferrara, Italy
| | - Stefano Pelucchi
- ENT & Audiology Department, University Hospital of Ferrara, Ferrara, Italy
| | - Paolo Pinton
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Carlotta Giorgi
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy.
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29
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Wang Y, Liu HH, Cao YT, Zhang LL, Huang F, Yi C. The Role of Mitochondrial Dynamics and Mitophagy in Carcinogenesis, Metastasis and Therapy. Front Cell Dev Biol 2020; 8:413. [PMID: 32587855 PMCID: PMC7297908 DOI: 10.3389/fcell.2020.00413] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/04/2020] [Indexed: 12/24/2022] Open
Abstract
Mitochondria are key cellular organelles and play vital roles in energy metabolism, apoptosis regulation and cellular homeostasis. Mitochondrial dynamics refers to the varying balance between mitochondrial fission and mitochondrial fusion that plays an important part in maintaining mitochondrial homeostasis and quality. Mitochondrial malfunction is involved in aging, metabolic disease, neurodegenerative disorders, and cancers. Mitophagy, a selective autophagy of mitochondria, can efficiently degrade, remove and recycle the malfunctioning or damaged mitochondria, and is crucial for quality control. In past decades, numerous studies have identified a series of factors that regulate mitophagy and are also involved in carcinogenesis, cancer cell migration and death. Therefore, it has become critically important to analyze signal pathways that regulate mitophagy to identify potential therapeutic targets. Here, we review recent progresses in mitochondrial dynamics, the mechanisms of mitophagy regulation, and the implications for understanding carcinogenesis, metastasis, treatment, and drug resistance.
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Affiliation(s)
- Yigang Wang
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Hui-Hui Liu
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Yu-Ting Cao
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Lei-Lei Zhang
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Fang Huang
- Department of Pathology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Cong Yi
- Department of Biochemistry, Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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30
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Yuan Q, Sun N, Zheng J, Wang Y, Yan X, Mai W, Liao Y, Chen X. Prognostic and Immunological Role of FUN14 Domain Containing 1 in Pan-Cancer: Friend or Foe? Front Oncol 2020; 9:1502. [PMID: 31998650 PMCID: PMC6966411 DOI: 10.3389/fonc.2019.01502] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 12/16/2019] [Indexed: 01/16/2023] Open
Abstract
Background: FUN14 domain containing 1 (FUNDC1) plays a pivotal role in mitochondrial autophagy (mitophagy), which is closely associated with human immunity. However, the role of FUNDC1 in cancers remains unclear. This study aimed to visualize the prognostic landscape of FUNDC1 in pan-cancer and investigate the relationship between FUNDC1 expression and immune infiltration. Methods: In this study, we explored the expression pattern and prognostic value of FUNDC1 in pan-cancer across multiple databases, including ONCOMINE, PrognoScan, GEPIA, and Kaplan-Meier Plotter. Then, using the GEPIA and TIMER databases, we investigated the correlations between FUNDC1 expression and immune infiltration in cancers, especially liver hepatocellular carcinoma (LIHC), and lung squamous cell carcinoma (LUSC). Results: In general, compared with that in normal tissue, tumor tissue had a higher expression level of FUNDC1. Although FUNDC1 showed a protective effect on pan-cancer, a high expression level of FUNDC1 was detrimental to the survival of LIHC patients. Although different from what was found for LUSC, for LIHC, there were significant positive correlations between FUNDC1 expression and immune infiltrates, including B cells, CD8+ T cells, CD4+ T cells, neutrophils, macrophages, and dendritic cells. Furthermore, markers of infiltrating immune cells, such as tumor-associated-macrophages (TAMs), exhibited different FUNDC1-related immune infiltration patterns. Conclusion: The mitophagy regulator FUNDC1 can serve as a prognostic biomarker in pan-cancer and is correlated with immune infiltrates.
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Affiliation(s)
- Qingchen Yuan
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Na Sun
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiayu Zheng
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Yingxuan Wang
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaole Yan
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Wuqian Mai
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Yuhua Liao
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xiao Chen
- Department of Cardiology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Key Lab of Molecular Biological Targeted Therapies of the Ministry of Education, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
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Panigrahi DP, Praharaj PP, Bhol CS, Mahapatra KK, Patra S, Behera BP, Mishra SR, Bhutia SK. The emerging, multifaceted role of mitophagy in cancer and cancer therapeutics. Semin Cancer Biol 2019; 66:45-58. [PMID: 31351198 DOI: 10.1016/j.semcancer.2019.07.015] [Citation(s) in RCA: 149] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/26/2019] [Accepted: 07/22/2019] [Indexed: 12/18/2022]
Abstract
Mitophagy is an evolutionarily conserved cellular process which selectively eliminates dysfunctional mitochondria by targeting them to the autophagosome for degradation. Dysregulated mitophagy results in the accumulation of damaged mitochondria, which plays an important role in carcinogenesis and tumor progression. The role of mitophagy receptors and adaptors including PINK1, Parkin, BNIP3, BNIP3L/NIX, and p62/SQSTM1, and the signaling pathways that govern mitophagy are impaired in cancer. Furthermore, the contribution of mitophagy in regulating the metabolic switch may establish a balance between aerobic glycolysis and oxidative phosphorylation for cancer cell survival. Moreover, ROS-driven mitophagy achieves different goals depending on the stage of tumorigenesis. Mitophagy promotes plasticity in the cancer stem cell through the metabolic reconfiguration for better adaption to the tumor microenvironment. In addition, the present review sheds some light on the role of mitophagy in stemness and differentiation during the transition of cell's fate, which could have a crucial role in cancer progression and metastasis. In conclusion, this review deals with the detailed molecular mechanisms underlying mitophagy, along with highlighting the dual role of mitophagy in different aspects of cancer, suggesting it as a possible target in the mitophagy-modulated cancer therapy.
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Affiliation(s)
- Debasna P Panigrahi
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Prakash P Praharaj
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Chandra S Bhol
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Kewal K Mahapatra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Srimanta Patra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Bishnu P Behera
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Soumya R Mishra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India
| | - Sujit K Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Odisha, India.
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32
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Mitophagy in Cancer: A Tale of Adaptation. Cells 2019; 8:cells8050493. [PMID: 31121959 PMCID: PMC6562743 DOI: 10.3390/cells8050493] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 02/07/2023] Open
Abstract
:In the past years, we have learnt that tumors co-evolve with their microenvironment, and that the active interaction between cancer cells and stromal cells plays a pivotal role in cancer initiation, progression and treatment response. Among the players involved, the pathways regulating mitochondrial functions have been shown to be crucial for both cancer and stromal cells. This is perhaps not surprising, considering that mitochondria in both cancerous and non-cancerous cells are decisive for vital metabolic and bioenergetic functions and to elicit cell death. The central part played by mitochondria also implies the existence of stringent mitochondrial quality control mechanisms, where a specialized autophagy pathway (mitophagy) ensures the selective removal of damaged or dysfunctional mitochondria. Although the molecular underpinnings of mitophagy regulation in mammalian cells remain incomplete, it is becoming clear that mitophagy pathways are intricately linked to the metabolic rewiring of cancer cells to support the high bioenergetic demand of the tumor. In this review, after a brief introduction of the main mitophagy regulators operating in mammalian cells, we discuss emerging cell autonomous roles of mitochondria quality control in cancer onset and progression. We also discuss the relevance of mitophagy in the cellular crosstalk with the tumor microenvironment and in anti-cancer therapy responses.
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33
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Wu L, Zhang D, Zhou L, Pei Y, Zhuang Y, Cui W, Chen J. FUN14 domain-containing 1 promotes breast cancer proliferation and migration by activating calcium-NFATC1-BMI1 axis. EBioMedicine 2019; 41:384-394. [PMID: 30803933 PMCID: PMC6442990 DOI: 10.1016/j.ebiom.2019.02.032] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 02/15/2019] [Accepted: 02/15/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND FUN14 domain-containing 1 (FUNDC1), as a novel member of mitochondria-associated endoplasmic reticulum (ER) membranes associates with mitochondrial division and mitophagy. However, the expression profile and functional roles of FUNDC1 remain largely unclear in human cancer biology, including breast cancer (BC). METHODS Immunohistochemistry and western blot analysis were used to determine the expression of FUNDC1 and BMI1 polycomb ring finger oncogene (BMI1). CCK8, cell counting and transwell assays were used to analyze cell proliferation, migration and invasion, respectively. Luciferase reporter and chromatin immunoprecipitation (ChIP) assays were used to detect the transcriptional regulation of Nuclear factor of activated T-cells, cytoplasmic 1 (NFATC1). The prognostic merit of NFATC1 expression was assessed by Kaplan-Meier assay. FINDINGS Immunohistochemistry revealed strong immunostaining for FUNDC1 in cytoplasmic and nuclear membrane distribution in BC tissues as compared with normal breast epithelium. Kaplan-Meier survival analysis showed worse outcome for BC patients with high FUNDC1 expression. In vitro assay of gain- and loss-of-function of FUNDC1 suggested that FUNDC1 could stimulate BC cell proliferation, migration and invasion. Furthermore, elevated FUNDC1 level promoted Ca2+ cytosol influx from ER and extracellular, as well as NFATC1 nuclear translocation and activity. Nuclear NFATC1 bound to the BMI1 gene promoter and transcriptionally upregulated its expression. Notably, BMI1 overexpression could rescue the loss of function of FUNDC1. Co-expression of FUNDC1 and BMI1 in BC patients predicted worse prognosis than without either expression. INTERPRETATION FUNDC1 might promote BC progression by activating the Ca2+-NFATC1-BMI1 axis. This pathway may be promising for developing multiple targets for BC therapy.
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Affiliation(s)
- Lianpin Wu
- Department of Cardiology, The Second Affiliated Hospital of Wenzhou Medical University, 109 Xueyuan Road, Wenzhou 325027, Zhejiang, PR China
| | - Donghong Zhang
- Center for Molecular and Translational Medicine, Georgia State University, Research Science Center, 157 Decatur St SE, Atlanta, GA 30303. USA
| | - Li Zhou
- Department of Gynecological Oncology, Cancer Hospital of Shantou University Medical College, No. 7 Raoping Road, Shantou 515031, PR China
| | - Yuqing Pei
- Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, PR China
| | - Yixuan Zhuang
- Oncological Research Lab, Cancer Hospital of Shantou University Medical College, No. 7 Raoping Road, Shantou 515031, PR China
| | - Wei Cui
- Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, PR China
| | - Jiongyu Chen
- Oncological Research Lab, Cancer Hospital of Shantou University Medical College, No. 7 Raoping Road, Shantou 515031, PR China.
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