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Balbisi M, Sugár S, Schlosser G, Szeitz B, Fillinger J, Moldvay J, Drahos L, Szász AM, Tóth G, Turiák L. Inter- and intratumoral proteomics and glycosaminoglycan characterization of ALK rearranged lung adenocarcinoma tissues: a pilot study. Sci Rep 2023; 13:6268. [PMID: 37069213 PMCID: PMC10110559 DOI: 10.1038/s41598-023-33435-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/12/2023] [Indexed: 04/19/2023] Open
Abstract
Lung cancer is one of the most common types of cancer with limited therapeutic options, therefore a detailed understanding of the underlying molecular changes is of utmost importance. In this pilot study, we investigated the proteomic and glycosaminoglycan (GAG) profile of ALK rearranged lung tumor tissue regions based on the morphological classification, mucin and stromal content. Principal component analysis and hierarchical clustering revealed that both the proteomic and GAG-omic profiles are highly dependent on mucin content and to a lesser extent on morphology. We found that differentially expressed proteins between morphologically different tumor types are primarily involved in the regulation of protein synthesis, whereas those between adjacent normal and different tumor regions take part in several other biological processes (e.g. extracellular matrix organization, oxidation-reduction processes, protein folding) as well. The total amount and the sulfation profile of heparan sulfate and chondroitin sulfate showed small differences based on morphology and larger differences based on mucin content of the tumor, while an increase was observed in both the total amount and the average rate of sulfation in tumors compared to adjacent normal regions.
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Affiliation(s)
- Mirjam Balbisi
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., Budapest, 1117, Hungary
- Doctoral School of Pharmaceutical Sciences, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Simon Sugár
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., Budapest, 1117, Hungary
- Doctoral School of Pharmaceutical Sciences, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Gitta Schlosser
- MTA-ELTE Lendület Ion Mobility Mass Spectrometry Research Group, Eötvös Loránd University, Pázmány Péter sétány 1, Budapest, 1117, Hungary
| | - Beáta Szeitz
- Division of Oncology, Department of Internal Medicine and Oncology, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - János Fillinger
- Department of Pathology, National Korányi Institute of Pulmonology, Korányi Frigyes út 1., Budapest, 1121, Hungary
| | - Judit Moldvay
- 1st Department of Pulmonology, National Korányi Institute of Pulmonology, Korányi Frigyes út 1., Budapest, 1121, Hungary
| | - László Drahos
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., Budapest, 1117, Hungary
| | - A Marcell Szász
- Division of Oncology, Department of Internal Medicine and Oncology, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary
| | - Gábor Tóth
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., Budapest, 1117, Hungary.
| | - Lilla Turiák
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., Budapest, 1117, Hungary.
- Doctoral School of Pharmaceutical Sciences, Semmelweis University, Üllői út 26., Budapest, 1085, Hungary.
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52
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Zhang L, Sun L, Wang L, Wang J, Wang D, Jiang J, Zhang J, Zhou Q. Mitochondrial division inhibitor (mdivi-1) inhibits proliferation and epithelial-mesenchymal transition via the NF-κB pathway in thyroid cancer cells. Toxicol In Vitro 2023; 88:105552. [PMID: 36621616 DOI: 10.1016/j.tiv.2023.105552] [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: 06/14/2022] [Revised: 01/01/2023] [Accepted: 01/03/2023] [Indexed: 01/07/2023]
Abstract
Excessively fragmented mitochondria have been reported in thyroid cancer (TC). Mitochondrial division inhibitor (mdivi-1), a putative inhibitor of dynamin-related protein 1 (Drp1), prevents mitochondrial fission and thereby restricts cell proliferation across several types of primary cancer. However, the role of mdivi-1 on TC has not been sufficiently studied. This research is intended to explore the therapeutic effect of mdivi-1 in TC cells. Results demonstrated that highly invasive TC cells displayed excessive mitochondrial fission with more fragmented mitochondria. Treatment with mdivi-1 inhibited mitochondrial fission in 8505C cells as indicated by transmission electron microscope (TEM). It also impaired the proliferation and increased apoptosis in 8505C and K1 cells as shown by plate cloning assay, cell viability assay, and apoptosis assay. Mdivi-1 treatment also attenuated migratory and invasive abilities in 8505C and K1 cells as shown by the transwell assay and the wound healing assay. And we noticed the same inhibition of mdivi-1 in cell migration and cell viability after the knockdown of Drp1 in 8505C cells. This demonstrated that mdivi-1 exerted an anti-tumor effect independently of Drp1 in 8505C cells. Moreover, mdivi-1 treatment reversed epithelial-mesenchymal transition (EMT) by inhibiting the NF-κB pathway in 8505C cells. The present findings demonstrate that mdivi-1 has a therapeutic role in thyroid carcinoma.
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Affiliation(s)
- Lin Zhang
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Lei Sun
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Lirong Wang
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Juan Wang
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Dan Wang
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Jue Jiang
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Jinhui Zhang
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China
| | - Qi Zhou
- Department of Ultrasound, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, PR China.
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53
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Zhang S, Gong H, Xie H, Huangfu Z, Tang Y, Xiao M, Li M, Li Q, Wang Y. An integrated analysis of Dynamin 1 Like: A new potential prognostic indicator in hepatocellular carcinoma. Mol Carcinog 2023; 62:786-802. [PMID: 36929853 DOI: 10.1002/mc.23524] [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: 07/15/2022] [Revised: 01/29/2023] [Accepted: 02/25/2023] [Indexed: 03/18/2023]
Abstract
Dynamin 1 Like (DNM1L), a member of dynamin superfamily capable of mediating mitochondrial outer membrane division, plays a key role in the progression of different types of tumors. However, the prognostic value, clinical significance of DNM1L and its specific mechanism involved in tumorigenesis of hepatocellular carcinoma (HCC) have not been investigated clearly. In this study, we found that the expression of DNM1L were significantly higher in HCC tissues than adjacent/normal liver tissues based on multiple data sets obtained from TCGA, GEO and ONCOMINE database, also its protein expression form Drp1 is significantly higher in HCC tissues than adjacent tissues, and is related to the degree of differentiation. Kaplan-Meier curves suggested that high DNM1L expression prominently correlated with poorer overall survival, progression-free survival, relapse-free survival and disease-specific survival. Multivariate analysis showed that higher DNM1L expression was independent prognostic factors of shorter overall survival and disease-free survival. Kyoto Encyclopedia of Genes and Genomes and Gene set enrichment analysis analysis combined with validation experiments revealed the regulatory role of DNM1L on key molecules in the metabolism of xenobiotics by cytochrome p450 pathway, and DNM1L may also affects invasion and metastasis capability of HCC by mediating extracellular matrix -receptor interaction pathway. Moreover, analysis showed that higher DNM1L, CYP2C9, CYP3A4, CYP1A2 expression were associated with the resistance to sorafenib therapy. TIMER and CIBERSORT analysis indicated that the increase of DNM1L expression may affect the infiltration of immune cells in the tumor microenvironment. Taken together, the above results indicated that DNM1L could be able to serve as a promising independent predictor and therapeutic target for HCC patients.
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Affiliation(s)
- Shuxian Zhang
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China.,Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, People's Republic of China.,Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Hanjuan Gong
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China
| | - Hailun Xie
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China
| | - Zhimin Huangfu
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China
| | - Yi Tang
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China.,Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, People's Republic of China.,Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Ming Xiao
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China.,Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, People's Republic of China.,Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Ming Li
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China.,Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, People's Republic of China.,Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Qingshu Li
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China.,Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, People's Republic of China.,Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Yalan Wang
- Molecular Medicine and Cancer Research Center, Basic Medicine College, Chongqing Medical University, Chongqing, People's Republic of China.,Molecular Medicine Diagnostic and Testing Center, Chongqing Medical University, Chongqing, People's Republic of China.,Department of Pathology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
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Satoh AO, Fujioka Y, Kashiwagi S, Yoshida A, Fujioka M, Sasajima H, Nanbo A, Amano M, Ohba Y. Interaction between PI3K and the VDAC2 channel tethers Ras-PI3K-positive endosomes to mitochondria and promotes endosome maturation. Cell Rep 2023; 42:112229. [PMID: 36906852 DOI: 10.1016/j.celrep.2023.112229] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/01/2023] [Accepted: 02/21/2023] [Indexed: 03/13/2023] Open
Abstract
Intracellular organelles of mammalian cells communicate with one another during various cellular processes. The functions and molecular mechanisms of such interorganelle association remain largely unclear, however. We here identify voltage-dependent anion channel 2 (VDAC2), a mitochondrial outer membrane protein, as a binding partner of phosphoinositide 3-kinase (PI3K), a regulator of clathrin-independent endocytosis downstream of the small GTPase Ras. VDAC2 tethers endosomes positive for the Ras-PI3K complex to mitochondria in response to cell stimulation with epidermal growth factor and promotes clathrin-independent endocytosis, as well as endosome maturation at membrane association sites. With an optogenetics system to induce mitochondrion-endosome association, we find that, in addition to its structural role in such association, VDAC2 is functionally implicated in the promotion of endosome maturation. The mitochondrion-endosome association thus plays a role in the regulation of clathrin-independent endocytosis and endosome maturation.
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Affiliation(s)
- Aya O Satoh
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan
| | - Yoichiro Fujioka
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; Global Station for Biosurfaces and Drug Discovery, Hokkaido University, N12W6, Kita-ku, Sapporo 060-0812, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan
| | - Sayaka Kashiwagi
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; Global Station for Biosurfaces and Drug Discovery, Hokkaido University, N12W6, Kita-ku, Sapporo 060-0812, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan
| | - Aiko Yoshida
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; Global Station for Biosurfaces and Drug Discovery, Hokkaido University, N12W6, Kita-ku, Sapporo 060-0812, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan
| | - Mari Fujioka
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan
| | - Hitoshi Sasajima
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan
| | - Asuka Nanbo
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan
| | - Maho Amano
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan
| | - Yusuke Ohba
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15W7, Kita-ku, Sapporo 060-8638, Japan; Global Station for Biosurfaces and Drug Discovery, Hokkaido University, N12W6, Kita-ku, Sapporo 060-0812, Japan; AMED-CREST, Japan Agency for Medical Research and Development, Kita-ku, Sapporo 060-8638, Japan.
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55
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Zhang J, Pan L, Zhang Q, Zhao Y, Wang W, Lin N, Zhang S, Wu Q. MFN2 deficiency affects calcium homeostasis in lung adenocarcinoma cells via downregulation of UCP4. FEBS Open Bio 2023. [PMID: 36877954 DOI: 10.1002/2211-5463.13591] [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: 08/09/2022] [Revised: 12/29/2022] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Mitofusin-2 (MFN2) is a transmembrane GTPase that regulates mitochondrial fusion and thereby modulates mitochondrial function. However, the role of MFN2 in lung adenocarcinoma remains controversial. Here, we investigated the effect of MFN2 regulation on mitochondria in lung adenocarcinoma. We found that MFN2 deficiency resulted in decreased UCP4 expression and mitochondrial dysfunction in A549 and H1975 cells. UCP4 overexpression restored ATP and intracellular calcium concentration, but not mtDNA copy number, mitochondrial membrane potential or reactive oxygen species level. Furthermore, mass spectrometry analysis identified 460 overlapping proteins after independent overexpression of MFN2 and UCP4; these proteins were significantly enriched in the cytoskeleton, energy production, and calponin homology (CH) domains. Moreover, the calcium signaling pathway was confirmed to be enriched in KEGG pathway analysis. We also found by protein-protein interaction network analysis that PINK1 may be a key regulator of MFN2- and UCP4-mediated calcium homeostasis. Furthermore, PINK1 increased MFN2/UCP4-mediated intracellular Ca2+ concentration in A549 and H1975 cells. Finally, we demonstrated that low expression levels of MFN2 and UCP4 in lung adenocarcinoma are associated with poor clinical prognosis. In conclusion, our data suggest not only a potential role of MFN2 and UCP4 in co-regulating calcium homeostasis in lung adenocarcinoma but also their potential use as therapeutic targets in lung cancer.
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Affiliation(s)
- Jingjing Zhang
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Oncology, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
| | - Lifang Pan
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qiang Zhang
- Department of Pharmaceutical and Chemical Engineering, Zhengzhou Business Technicians Institute, China
| | - Yanyan Zhao
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Oncology, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenwen Wang
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Oncology, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
| | - Nengming Lin
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Oncology, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
| | - Shirong Zhang
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Oncology, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiong Wu
- Department of Integrated Chinese and Western Medicine, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
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Rickard BP, Overchuk M, Obaid G, Ruhi MK, Demirci U, Fenton SE, Santos JH, Kessel D, Rizvi I. Photochemical Targeting of Mitochondria to Overcome Chemoresistance in Ovarian Cancer †. Photochem Photobiol 2023; 99:448-468. [PMID: 36117466 PMCID: PMC10043796 DOI: 10.1111/php.13723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 08/29/2022] [Indexed: 11/30/2022]
Abstract
Ovarian cancer is the most lethal gynecologic malignancy with a stubborn mortality rate of ~65%. The persistent failure of multiline chemotherapy, and significant tumor heterogeneity, has made it challenging to improve outcomes. A target of increasing interest is the mitochondrion because of its essential role in critical cellular functions, and the significance of metabolic adaptation in chemoresistance. This review describes mitochondrial processes, including metabolic reprogramming, mitochondrial transfer and mitochondrial dynamics in ovarian cancer progression and chemoresistance. The effect of malignant ascites, or excess peritoneal fluid, on mitochondrial function is discussed. The role of photodynamic therapy (PDT) in overcoming mitochondria-mediated resistance is presented. PDT, a photochemistry-based modality, involves the light-based activation of a photosensitizer leading to the production of short-lived reactive molecular species and spatiotemporally confined photodamage to nearby organelles and biological targets. The consequential effects range from subcytotoxic priming of target cells for increased sensitivity to subsequent treatments, such as chemotherapy, to direct cell killing. This review discusses how PDT-based approaches can address key limitations of current treatments. Specifically, an overview of the mechanisms by which PDT alters mitochondrial function, and a summary of preclinical advancements and clinical PDT experience in ovarian cancer are provided.
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Affiliation(s)
- Brittany P. Rickard
- Curriculum in Toxicology & Environmental Medicine, University of North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Marta Overchuk
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; North Carolina State University, Raleigh, NC 27606, USA
| | - Girgis Obaid
- Department of Bioengineering, University of Texas at Dallas, Richardson TX 95080, USA
| | - Mustafa Kemal Ruhi
- Institute of Biomedical Engineering, Boğaziçi University, Istanbul, Turkey
| | - Utkan Demirci
- Canary Center at Stanford for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, CA 94305, USA
| | - Suzanne E. Fenton
- Curriculum in Toxicology & Environmental Medicine, University of North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Mechanistic Toxicology Branch, Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Janine H. Santos
- Mechanistic Toxicology Branch, Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - David Kessel
- Department of Pharmacology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Imran Rizvi
- Curriculum in Toxicology & Environmental Medicine, University of North Carolina School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; North Carolina State University, Raleigh, NC 27606, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA
- Center for Environmental Health and Susceptibility, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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57
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Jin X, Guo X, Chen J, Li J, Zhang S, Zheng S, Wang Y, Peng Y, Zhang K, Liu Y, Liu B. The complete mitochondrial genome of Hemigrapsus sinensis (Brachyura, Grapsoidea, Varunidae) and its phylogenetic position within Grapsoidea. Genes Genomics 2023; 45:377-391. [PMID: 36346542 DOI: 10.1007/s13258-022-01319-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 09/24/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND In this study, the complete mitogenome of Hemigrapsus sinensis was the first identified and analyzed. OBJECTIVE The complete mitochondrial genome of Hemigrapsus sinensis (Brachyura, Grapsoidea, Varunidae) and its phylogenetic position within Grapsoidea. METHODS The sample of Hemigrapsus sinensis was collected and DNA was extracted. After sequencing, NOVOPlasty was used for sequence assembly. Annotate sequences with MITOS WebServer, tRNAscan-SE2.0, and NCBI database. MEGA was used for sequence analysis and Phylosuite was used for phylogenetic tree construction. DnaSP was used to calculate Ka/Ks. RESULTS This mitochondrial genome shows that it was 15,900 bp and encoded 13 PCGs, 22 tRNA genes, two rRNA genes, and one control region. The genome composition tends to A + T (74.34%) and presents a negative GC-skew (- 0.22) and AT-skew (- 0.03). The PCGs initiation codon was the typical ATN and termination codon was the typical TAN, incomplete T or missing. The ML and BI trees showed that H. sinensis was most closely related to Hemigrapsus and clustered together with the Varunidae. And our phylogenetic trees provide proof that Ocypodoidea and Grapsoidea may be of common origin. Meanwhile, in the phylogenetic tree, parallel mixing of Chiromantes and Orisarma raised doubts over the traditional classification system. Besides, Incomplete Lineage sorting (ILS) was observed in Varunidae. In the subsequent analysis of evolution rate, we found that all of the PCGs (NAD4 was not calculated) had undergone negative selections, indicating the conservation of mitochondrial genes of H. sinensis during the evolution. CONCLUSION Therefore, researching the complete mitogenome of H. sinensis would be contributing to molecular taxonomy, phylogenetic relationship, and breeding optimization within the Grapsoidea superfamily.
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Affiliation(s)
- Xun Jin
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Xingle Guo
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Jian Chen
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Jiasheng Li
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Shufei Zhang
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Guangzhou, 510300, Guangdong, China
| | - Sixu Zheng
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Yunpeng Wang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Ying Peng
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Kun Zhang
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Yifan Liu
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China.,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China
| | - Bingjian Liu
- National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization, Zhejiang Ocean University, Zhoushan, 316022, China. .,National Engineering Research Center for Facilitated Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, No. 1, Haida South Road, Zhoushan, 316022, Zhejiang, China.
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Zheng Y, Zhang J, Zhu X, Wei Y, Zhao W, Si S, Li Y. A Mitochondrial Perspective on Noncommunicable Diseases. Biomedicines 2023; 11:biomedicines11030647. [PMID: 36979626 PMCID: PMC10045938 DOI: 10.3390/biomedicines11030647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/05/2023] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
Mitochondria are the center of energy metabolism in eukaryotic cells and play a central role in the metabolism of living organisms. Mitochondrial diseases characterized by defects in oxidative phosphorylation are the most common congenital diseases. Meanwhile, mitochondrial dysfunction caused by secondary factors such as non-inherited genetic mutations can affect normal physiological functions of human cells, induce apoptosis, and lead to the development of various diseases. This paper reviewed several major factors and mechanisms that contribute to mitochondrial dysfunction and discussed the development of diseases closely related to mitochondrial dysfunction and drug treatment strategies discovered in recent years.
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Affiliation(s)
- Yifan Zheng
- Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jing Zhang
- Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiaohong Zhu
- Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yuanjuan Wei
- Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wuli Zhao
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Correspondence: (W.Z.); (S.S.); (Y.L.)
| | - Shuyi Si
- Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Correspondence: (W.Z.); (S.S.); (Y.L.)
| | - Yan Li
- Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Correspondence: (W.Z.); (S.S.); (Y.L.)
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59
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Mitochondrial fusion is a therapeutic vulnerability of acute myeloid leukemia. Leukemia 2023; 37:765-775. [PMID: 36739349 PMCID: PMC10079528 DOI: 10.1038/s41375-023-01835-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 02/05/2023]
Abstract
Mitochondrial metabolism recently emerged as a critical dependency in acute myeloid leukemia (AML). The shape of mitochondria is tightly regulated by dynamin GTPase proteins, which drive opposing fusion and fission forces to consistently adapt bioenergetics to the cellular context. Here, we showed that targeting mitochondrial fusion was a new vulnerability of AML cells, when assayed in patient-derived xenograft (PDX) models. Genetic depletion of mitofusin 2 (MFN2) or optic atrophy 1 (OPA1) or pharmacological inhibition of OPA1 (MYLS22) blocked mitochondrial fusion and had significant anti-leukemic activity, while having limited impact on normal hematopoietic cells ex vivo and in vivo. Mechanistically, inhibition of mitochondrial fusion disrupted mitochondrial respiration and reactive oxygen species production, leading to cell cycle arrest at the G0/G1 transition. These results nominate the inhibition of mitochondrial fusion as a promising therapeutic approach for AML.
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60
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Breault NM, Wu D, Dasgupta A, Chen KH, Archer SL. Acquired disorders of mitochondrial metabolism and dynamics in pulmonary arterial hypertension. Front Cell Dev Biol 2023; 11:1105565. [PMID: 36819102 PMCID: PMC9933518 DOI: 10.3389/fcell.2023.1105565] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/09/2023] [Indexed: 02/05/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is an orphan disease of the cardiopulmonary unit that reflects an obstructive pulmonary vasculopathy and presents with hypertrophy, inflammation, fibrosis, and ultimately failure of the right ventricle (RVF). Despite treatment using pulmonary hypertension (PH)-targeted therapies, persistent functional impairment reduces the quality of life for people with PAH and death from RVF occurs in approximately 40% of patients within 5 years of diagnosis. PH-targeted therapeutics are primarily vasodilators and none, alone or in combination, are curative. This highlights a need to therapeutically explore molecular targets in other pathways that are involved in the pathogenesis of PAH. Several candidate pathways in PAH involve acquired mitochondrial dysfunction. These mitochondrial disorders include: 1) a shift in metabolism related to increased expression of pyruvate dehydrogenase kinase and pyruvate kinase, which together increase uncoupled glycolysis (Warburg metabolism); 2) disruption of oxygen-sensing related to increased expression of hypoxia-inducible factor 1α, resulting in a state of pseudohypoxia; 3) altered mitochondrial calcium homeostasis related to impaired function of the mitochondrial calcium uniporter complex, which elevates cytosolic calcium and reduces intramitochondrial calcium; and 4) abnormal mitochondrial dynamics related to increased expression of dynamin-related protein 1 and its binding partners, such as mitochondrial dynamics proteins of 49 kDa and 51 kDa, and depressed expression of mitofusin 2, resulting in increased mitotic fission. These acquired mitochondrial abnormalities increase proliferation and impair apoptosis in most pulmonary vascular cells (including endothelial cells, smooth muscle cells and fibroblasts). In the RV, Warburg metabolism and induction of glutaminolysis impairs bioenergetics and promotes hypokinesis, hypertrophy, and fibrosis. This review will explore our current knowledge of the causes and consequences of disordered mitochondrial function in PAH.
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Affiliation(s)
- Nolan M. Breault
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Danchen Wu
- Department of Medicine, Queen’s University, Kingston, ON, Canada,*Correspondence: Danchen Wu, ; Stephen L. Archer,
| | - Asish Dasgupta
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Kuang-Hueih Chen
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Stephen L. Archer
- Department of Medicine, Queen’s University, Kingston, ON, Canada,Queen’s Cardiopulmonary Unit (QCPU), Translational Institute of Medicine (TIME), Department of Medicine, Queen’s University, Kingston, ON, Canada,*Correspondence: Danchen Wu, ; Stephen L. Archer,
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DRP1 Inhibition Enhances Venetoclax-Induced Mitochondrial Apoptosis in TP53-Mutated Acute Myeloid Leukemia Cells through BAX/BAK Activation. Cancers (Basel) 2023; 15:cancers15030745. [PMID: 36765703 PMCID: PMC9913445 DOI: 10.3390/cancers15030745] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
Although TP53 mutations in acute myeloid leukemia (AML) are associated with poor response to venetoclax, the underlying resistance mechanism remains unclear. Herein, we investigated the functional role of dynamin-related protein 1 (DRP1) in venetoclax sensitivity in AML cells with respect to TP53 mutation status. Effects of DRP1 inhibition on venetoclax-induced cell death were compared in TP53-mutated (THP-1 and Kasumi-1) and TP53 wild-type leukemia cell lines (MOLM-13 and MV4-11), as well as in primary AML cells obtained from patients. Venetoclax induced apoptosis in TP53 wild-type AML cells but had limited effects in TP53-mutated AML cells. DRP1 expression was downregulated in MOLM-13 cells after venetoclax treatment but was unaffected in THP-1 cells. Cotreatment of THP-1 cells with venetoclax and a TP53 activator NSC59984 downregulated DRP1 expression and increased apoptosis. Combination treatment with the DRP1 inhibitor Mdivi-1 and venetoclax significantly increased mitochondria-mediated apoptosis in TP53-mutated AML cells. The combination of Mdivi-1 and venetoclax resulted in noticeable downregulation of MCL-1 and BCL-xL, accompanied by the upregulation of NOXA, PUMA, BAK, and BAX. These findings suggest that DRP1 is functionally associated with venetoclax sensitivity in TP53-mutated AML cells. Targeting DRP1 may represent an effective therapeutic strategy for overcoming venetoclax resistance in TP53-mutated AML.
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Ji Y, Zhang X, Chen J, Song S, Fang S, Wang Z, Xu S, Xu Y, Liu J, Jiang C, Pan K, Zhang J, Wang L, Yin Z. Asiatic acid attenuates tubular injury in diabetic kidney disease by regulating mitochondrial dynamics via the Nrf-2 pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 109:154552. [PMID: 36610157 DOI: 10.1016/j.phymed.2022.154552] [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: 08/09/2022] [Revised: 11/03/2022] [Accepted: 11/15/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Mitochondrial dynamics plays a crucial role in tubular injury in diabetic kidney disease (DKD). Asiatic acid (AA) has demonstrated renal protective effects in DKD; however, its therapeutic effect on tubular injury in DKD remains unclear. PURPOSE This study aimed to verify the effects of AA on tubular injury in DKD and underlying mechanisms. STUDY DESIGN In the present study, the effects of AA on tubular injury were assessed in rats with streptozotocin-induced diabetes and advanced glycation end products (AGEs)-stimulated HK-2 cells models. METHODS After oral administration with or without AA for ten weeks, body weight and levels of fast blood glucose, serum creatinine (sCr), blood urea nitrogen (BUN), urinary albumin, and kidney injury molecule-1 (KIM-1) were detected. Histological analysis was performed to evaluate the renal function of rats. Moreover, the expression of proteins associated with the Nrf-2 pathway and mitochondrial dynamics was analyzed. AGEs-stimulated HK-2 cells were examined to evaluate the tubular protection and the mechanism of AA in vitro. RESULTS AA remarkably decreased albumin levels, KIM-1 levels in urine, and serum Cr, and BUN levels. In addition, AA prevented tubular injury and mitochondrial injury by regulating the Nrf-2 pathway and mitochondrial dynamics. Furthermore, the effects of AA on mitochondrial dynamics and tubular protection were eliminated after treatment with ML385 (Nrf2 inhibitor). CONCLUSION These findings suggested that AA might be developed as a potential candidate for the treatment of tubular injury in DKD, and its effects are potentially mediated via the regulation of the Nrf-2 pathway and mitochondrial dynamics.
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Affiliation(s)
- Yali Ji
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China; Department of Nephrology, Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjing 211200, China
| | - Xuanxuan Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Jicong Chen
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Sijia Song
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Siyang Fang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Zihan Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Susu Xu
- Department of Nephrology, Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjing 211200, China
| | - Yinying Xu
- Department of Nephrology, Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjing 211200, China
| | - Jianjing Liu
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Cuihua Jiang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Ke Pan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Jian Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Lei Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Zhiqi Yin
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
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Punter KB, Chu C, Chan EYW. Mitochondrial dynamics and oxidative phosphorylation as critical targets in cancer. Endocr Relat Cancer 2023; 30:ERC-22-0229. [PMID: 36356297 DOI: 10.1530/erc-22-0229] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/03/2022] [Indexed: 11/12/2022]
Abstract
It has long been recognised that cancer cells critically depend on reprogrammed patterns of metabolism that can enable robust and abnormally high levels of cell proliferation. As mitochondria form hubs of cellular metabolic activity, it is reasonable to propose that pathways within these organelles can form targets that can be manipulated to compromise the ability of cancer cells to cause disease. However, mitochondria are highly multi-functional, and the full range of mechanistic inter-connections are still being unravelled to enable the full potential of targeting mitochondria in cancer therapeutics. Here, we aim to highlight the potential of modulating mitochondrial dynamics to target key metabolic or apoptotic pathways in cancer cells. Distinct roles have been demonstrated for mitochondrial fission and fusion in different cancer contexts. Targeting of factors mediating mitochondrial dynamics may be directly related to impairment of oxidative phosphorylation, which is essential to sustain cancer cell growth and can also alter sensitivity to chemotherapeutic compounds. This area is still lacking a unified model, although further investigation will more comprehensively map the underlying molecular mechanisms to enable better rational therapeutic strategies based on these pathways.
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Affiliation(s)
- Kaylee B Punter
- Department of Biomedical and Medical Sciences, Queen's University, Kingston, Canada
| | - Charles Chu
- Department of Biomedical and Medical Sciences, Queen's University, Kingston, Canada
| | - Edmond Y W Chan
- Department of Biomedical and Medical Sciences, Queen's University, Kingston, Canada
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Weiss JG, Gallob F, Rieder P, Villunger A. Apoptosis as a Barrier against CIN and Aneuploidy. Cancers (Basel) 2022; 15:cancers15010030. [PMID: 36612027 PMCID: PMC9817872 DOI: 10.3390/cancers15010030] [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: 10/20/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
Aneuploidy is the gain or loss of entire chromosomes, chromosome arms or fragments. Over 100 years ago, aneuploidy was described to be a feature of cancer and is now known to be present in 68-90% of malignancies. Aneuploidy promotes cancer growth, reduces therapy response and frequently worsens prognosis. Chromosomal instability (CIN) is recognized as the main cause of aneuploidy. CIN itself is a dynamic but stochastic process consisting of different DNA content-altering events. These can include impaired replication fidelity and insufficient clearance of DNA damage as well as chromosomal mis-segregation, micronuclei formation, chromothripsis or cytokinesis failure. All these events can disembogue in segmental, structural and numerical chromosome alterations. While low levels of CIN can foster malignant disease, high levels frequently trigger cell death, which supports the "aneuploidy paradox" that refers to the intrinsically negative impact of a highly aberrant karyotype on cellular fitness. Here, we review how the cellular response to CIN and aneuploidy can drive the clearance of karyotypically unstable cells through the induction of apoptosis. Furthermore, we discuss the different modes of p53 activation triggered in response to mitotic perturbations that can potentially trigger CIN and/or aneuploidy.
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Affiliation(s)
- Johannes G. Weiss
- Institute for Developmental Immunology, Biocenter, Medical University of Innsbruck, 6020 Innsbruck, Austria
- Department of Paediatrics I, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Filip Gallob
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090 Vienna, Austria
| | - Patricia Rieder
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090 Vienna, Austria
| | - Andreas Villunger
- Institute for Developmental Immunology, Biocenter, Medical University of Innsbruck, 6020 Innsbruck, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090 Vienna, Austria
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, 1090 Vienna, Austria
- Correspondence: ; Tel.: +43–512-9003-70380; Fax: +43–512-9003-73960
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65
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Sessions DT, Kim KB, Kashatus JA, Churchill N, Park KS, Mayo MW, Sesaki H, Kashatus DF. Opa1 and Drp1 reciprocally regulate cristae morphology, ETC function, and NAD + regeneration in KRas-mutant lung adenocarcinoma. Cell Rep 2022; 41:111818. [PMID: 36516772 DOI: 10.1016/j.celrep.2022.111818] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/28/2022] [Accepted: 11/22/2022] [Indexed: 12/15/2022] Open
Abstract
Oncogenic KRas activates mitochondrial fission through Erk-mediated phosphorylation of the mitochondrial fission GTPase Drp1. Drp1 deletion inhibits tumorigenesis of KRas-driven pancreatic cancer, but the role of mitochondrial dynamics in other Ras-driven malignancies is poorly defined. Here we show that in vitro and in vivo growth of KRas-driven lung adenocarcinoma is unaffected by deletion of Drp1 but is inhibited by deletion of Opa1, the GTPase that regulates inner membrane fusion and proper cristae morphology. Mechanistically, Opa1 knockout disrupts cristae morphology and inhibits electron transport chain (ETC) assembly and activity, which inhibits tumor cell proliferation through loss of NAD+ regeneration. Simultaneous inactivation of Drp1 and Opa1 restores cristae morphology, ETC activity, and cell proliferation indicating that mitochondrial fission activity drives ETC dysfunction induced by Opa1 knockout. Our results support a model in which mitochondrial fission events disrupt cristae structure, and tumor cells with hyperactive fission activity require Opa1 activity to maintain ETC function.
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Affiliation(s)
- Dane T Sessions
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Kee-Beom Kim
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Jennifer A Kashatus
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Nikolas Churchill
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Kwon-Sik Park
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Marty W Mayo
- Department of Biochemistry and Molecular Genetics, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Hiromi Sesaki
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - David F Kashatus
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA.
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MiR-125b-5p Targets MTFP1 to Inhibit Cell Proliferation, Migration, and Invasion and Facilitate Cell Apoptosis in Endometrial Carcinoma. Mol Biotechnol 2022; 65:961-969. [DOI: 10.1007/s12033-022-00601-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 10/29/2022] [Indexed: 11/16/2022]
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67
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Chen XJ, Cui QX, Wang GL, Li XL, Zhou XL, Zhao HJ, Zhang MQ, Li MJ, He XJ, Zheng QS, Wang YL, Li D, Hong P. Sanggenon C Suppresses Tumorigenesis of Gastric Cancer by Blocking ERK-Drp1-Mediated Mitochondrial Fission. JOURNAL OF NATURAL PRODUCTS 2022; 85:2351-2362. [PMID: 36256535 DOI: 10.1021/acs.jnatprod.2c00524] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Sanggenon C is a flavonoid extracted from the root bark of white mulberry, which is a traditional Chinese medicine with anti-inflammatory, antioxidative, and antitumor pharmacological effects. In this study, sanggenon C was found to inhibit human gastric cancer (GC) cell proliferation and colony formation, induce GC cell cycle arrest in the G0-G1 phase, and promote GC cell apoptosis. Moreover, sanggenon C was found to decrease the level of mitochondrial membrane potential in GC cells and inhibit mitochondrial fission. Mechanistically, RNA sequencing, bioinformatics analysis, and a series of functional analyses confirmed that sanggenon C inhibited mitochondrial fission to induce apoptosis by blocking the extracellular regulated protein kinases (ERK) signaling pathway, and constitutive activation of ERK significantly abrogated these effects. Finally, sanggenon C was found to suppress the growth of tumor xenografts in nude mice without obvious side effects to the vital organs of animals. This study reveals that sanggenon C could be a novel therapeutic strategy for GC treatment.
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Affiliation(s)
- Xiao-Jie Chen
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Qi-Xiao Cui
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- College of Stomatology, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Guo-Li Wang
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Xiao-Li Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Xiao-Lin Zhou
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Hui-Jie Zhao
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Ming-Qian Zhang
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Min-Jing Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Xiao-Juan He
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, People's Republic of China
| | - Qiu-Sheng Zheng
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Yu-Liang Wang
- College of Stomatology, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Defang Li
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
| | - Pan Hong
- Yantai Key Laboratory of Pharmacology of Traditional Chinese Medicine in Tumor Metabolism, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
- Collaborative Innovation Platform for Modernization and Industrialization of Regional Characteristic Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, People's Republic of China
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Moss DY, McCann C, Kerr EM. Rerouting the drug response: Overcoming metabolic adaptation in KRAS-mutant cancers. Sci Signal 2022; 15:eabj3490. [PMID: 36256706 DOI: 10.1126/scisignal.abj3490] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Mutations in guanosine triphosphatase KRAS are common in lung, colorectal, and pancreatic cancers. The constitutive activity of mutant KRAS and its downstream signaling pathways induces metabolic rewiring in tumor cells that can promote resistance to existing therapeutics. In this review, we discuss the metabolic pathways that are altered in response to treatment and those that can, in turn, alter treatment efficacy, as well as the role of metabolism in the tumor microenvironment (TME) in dictating the therapeutic response in KRAS-driven cancers. We highlight metabolic targets that may provide clinical opportunities to overcome therapeutic resistance and improve survival in patients with these aggressive cancers.
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Affiliation(s)
- Deborah Y Moss
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT9 7AE Northern Ireland, UK
| | - Christopher McCann
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT9 7AE Northern Ireland, UK
| | - Emma M Kerr
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT9 7AE Northern Ireland, UK
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69
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Alshahrani S, Ali Thubab HM, Ali Zaeri AM, Anwer T, Ahmed RA, Jali AM, Qadri M, Nomier Y, Moni SS, Alam MF. The Protective Effects of Sesamin against Cyclophosphamide-Induced Nephrotoxicity through Modulation of Oxidative Stress, Inflammatory-Cytokines and Apoptosis in Rats. Int J Mol Sci 2022; 23:ijms231911615. [PMID: 36232918 PMCID: PMC9569534 DOI: 10.3390/ijms231911615] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 09/23/2022] [Accepted: 09/27/2022] [Indexed: 11/09/2022] Open
Abstract
Cyclophosphamide is an anticancer drug with a wide spectrum of clinical uses, but its typical side effects are multiple complications, including nephron toxicity. The possible molecular mechanism of the nephroprotective action of sesamin (SM) against cyclophosphamide (CP) induced renal toxicity was investigated in rats by understanding oxidative stress and inflammatory cytokines. In this study, rats were arbitrarily grouped into the following four groups: a normal control group (CNT); a CP-induced toxicity group; a treatment group with two doses of sesamin SM10 and SM20; a group with sesamin (SM20) alone. A single dose of CP (150 mg/kg body, i.p.) was administered on day 4 of the experiments, while treatment with SM was given orally for seven days from day 1. The group treated with SM showed a significant protective effect against CP-induced renal damage in rats. Treatment with SM significantly increased the antioxidant enzymes (GSH, CAT, and SOD) and reduced malondialdehyde (MDA) levels. Thus, SM significantly overcame the elevated kidney function markers (creatinine, blood urea nitrogen, and uric acid) by attenuating oxidative stress. The SM also significantly reduced the elevated cytokines (IL-1β and TNFα) and caspase-3 in the treated group. Histopathological studies confirmed the protective effect of sesamin (SM) on CP-induced nephrotoxicity. In conclusion, the current findings support the nephroprotective effect of sesamin against CP-induced renal injury.
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Affiliation(s)
- Saeed Alshahrani
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
- Correspondence: (S.A.); (M.F.A.)
| | - Hani M. Ali Thubab
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Abdulrahman M. Ali Zaeri
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Tarique Anwer
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Rayan A. Ahmed
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Abdulmajeed M. Jali
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Marwa Qadri
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Yousra Nomier
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Sivakumar S. Moni
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Mohammad F. Alam
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
- Correspondence: (S.A.); (M.F.A.)
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70
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Qiao Y, Zhang X, Li Z, Song Y, Sun Z. Assembly and comparative analysis of the complete mitochondrial genome of Bupleurum chinense DC. BMC Genomics 2022; 23:664. [PMID: 36131243 PMCID: PMC9490909 DOI: 10.1186/s12864-022-08892-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 09/15/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Bupleurum chinense(B. chinense) is a plant that is widely distributed globally and has strong pharmacological effects. Though the chloroplast(cp) genome of B. chinense has been studied, no reports regarding the mitochondrial(mt) genome of B. chinense have been published yet. RESULTS The mt genome of B.chinense was assembled and functionally annotated. The circular mt genome of B. chinense was 435,023 bp in length, and 78 genes, including 39 protein-coding genes, 35 tRNA genes, and 4 rRNA genes, were annotated. Repeat sequences were analyzed and sites at which RNA editing would occur were predicted. Gene migration was observed to occur between the mt and cp genomes of B. chinense via the detection of homologous gene fragments. In addition, the sizes of plant mt genomes and their GC content were analyzed and compared. The sizes of mt genomes of plants varied greatly, but their GC content was conserved to a greater extent during evolution. Ka/Ks analysis was based on code substitutions, and the results showed that most of the coding genes were negatively selected. This indicates that mt genes were conserved during evolution. CONCLUSION In this study, we assembled and annotated the mt genome of the medicinal plant B. chinense. Our findings provide extensive information regarding the mt genome of B. chinense, and help lay the foundation for future studies on the genetic variations, phylogeny, and breeding of B. chinense via an analysis of the mt genome.
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Affiliation(s)
- Yonggang Qiao
- College of Life Sciences, Shanxi Agricultural University, Taigu, 030801, Shanxi, China.
| | - Xinrui Zhang
- College of Life Sciences, Shanxi Agricultural University, Taigu, 030801, Shanxi, China
| | - Zheng Li
- College of Life Sciences, Shanxi Agricultural University, Taigu, 030801, Shanxi, China
| | - Yun Song
- College of Life Sciences, Shanxi Agricultural University, Taigu, 030801, Shanxi, China
| | - Zhe Sun
- College of Life Sciences, Shanxi Agricultural University, Taigu, 030801, Shanxi, China
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Ramaiah P, Patra I, Abbas A, Fadhil AA, Abohassan M, Al-Qaim ZH, Hameed NM, Al-Gazally ME, Kemil Almotlaq SS, Mustafa YF, Shiravand Y. Mitofusin-2 in cancer: Friend or foe? Arch Biochem Biophys 2022; 730:109395. [PMID: 36176224 DOI: 10.1016/j.abb.2022.109395] [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: 07/02/2022] [Revised: 08/30/2022] [Accepted: 09/07/2022] [Indexed: 11/19/2022]
Abstract
Cancer is a category of disorders characterized by excessive cell proliferation with the ability to infiltrate or disseminate to other organs of the body. Mitochondrial dysfunction, as one of the most prominent hallmarks of cancer cells, has been related to the onset and development of various cancers. Mitofusin 2 (MFN2) is a major mediator of mitochondrial fusion, endoplasmic reticulum (ER)-mitochondria interaction, mitophagy and axonal transport of mitochondria. Available data have shown that MFN2, which its alterations have been associated with mitochondrial dysfunction, could affect cancer initiation and progression. In fact, it showed that MFN2 may have a double-edged sword effect on cancer fate. Precisely, it demonstrated that MFN2, as a tumor suppressor, induces cancer cell apoptosis and inhibits cell proliferation via Ca2+ and Bax-mediated apoptosis and increases P21 and p27 levels, respectively. It also could suppress cell survival via inhibiting PI3K/Akt, Ras-ERK1/2-cyclin D1 and mTORC2/Akt signaling pathways. On the other hand, MFN2, as an oncogene, could increase cancer invasion via snail-mediated epithelial-mesenchymal transition (EMT) and in vivo tumorigenesis. While remarkable progress has been achieved in recent decades, further exploration is required to elucidate whether MFN2 could be a friend or it's an enemy. This study aimed to highlight the different functions of MFN2 in various cancers.
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Affiliation(s)
| | | | - Anum Abbas
- Basic Health Unit, Foundation University Medical College, Islamabad, Pakistan.
| | - Ali Abdulhussain Fadhil
- College of Medical Technology, Medical Lab Techniques, Al-farahidi University, Baghdad, Iraq
| | - Mohammad Abohassan
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, 9088, Saudi Arabia
| | | | | | | | | | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul-41001, Iraq
| | - Yavar Shiravand
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80138, Naples, Italy.
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Oanh N, Lee HS, Kim YH, Min S, Park YJ, Heo J, Park YY, Lim WC, Cho H. Regulation of nuclear DNA damage response by mitochondrial morphofunctional pathway. Nucleic Acids Res 2022; 50:9247-9259. [PMID: 35979947 PMCID: PMC9458461 DOI: 10.1093/nar/gkac690] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/22/2022] [Accepted: 08/03/2022] [Indexed: 12/24/2022] Open
Abstract
Cells are constantly challenged by genotoxic stresses that can lead to genome instability. The integrity of the nuclear genome is preserved by the DNA damage response (DDR) and repair. Additionally, these stresses can induce mitochondria to transiently hyperfuse; however, it remains unclear whether canonical DDR is linked to these mitochondrial morphological changes. Here, we report that the abolition of mitochondrial fusion causes a substantial defect in the ATM-mediated DDR signaling. This deficiency is overcome by the restoration of mitochondria fusion. In cells with fragmented mitochondria, genotoxic stress-induced activation of JNK and its translocation to DNA lesion are lost. Importantly, the mitochondrial fusion machinery of MFN1/MFN2 associates with Sab (SH3BP5) and JNK, and these interactions are indispensable for the Sab-mediated activation of JNK and the ATM-mediated DDR signaling. Accordingly, the formation of BRCA1 and 53BP1 foci, as well as homology and end-joining repair are impaired in cells with fragmented mitochondria. Together, these data show that mitochondrial fusion-dependent JNK signaling is essential for the DDR, providing vital insight into the integration of nuclear and cytoplasmic stress signals.
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Affiliation(s)
| | | | - Yong-Hyun Kim
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, Republic of Korea,Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, Republic of Korea
| | - Sunwoo Min
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Yeon-Ji Park
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - June Heo
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, Republic of Korea,Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, Republic of Korea
| | - Yong-Yea Park
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Won-Chung Lim
- Correspondence may also be addressed to Won-Chung Lim.
| | - Hyeseong Cho
- To whom correspondence should be addressed. Tel: +82 312195052; Fax: +82 312195059;
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m6A RNA methylation-mediated NDUFA4 promotes cell proliferation and metabolism in gastric cancer. Cell Death Dis 2022; 13:715. [PMID: 35977935 PMCID: PMC9385701 DOI: 10.1038/s41419-022-05132-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 01/21/2023]
Abstract
Gastric cancer (GC) is a malignancy with poor prognosis. NDUFA4 is reported to correlate with the progression of GC. However, its underlying mechanism in GC is unknown. Our study was to reveal the pathogenic mechanism of NDUFA4 in GC. NDUFA4 expression was explored in single-cell and bulk RNA-seq data as well as GC tissue microarray. Mitochondrial respiration and glycolysis were estimated by oxygen consumption rate and extracellular acidification rate, respectively. The interaction between NDUFA4 and METTL3 was validated by RNA immunoprecipitation. Flow cytometry was used to estimate cell cycle, apoptosis and mitochondrial activities. NDUFA4 was highly expressed in GC and its high expression indicated a poor prognosis. The knockdown of NDUFA4 could reduce cell proliferation and inhibit tumor growth. Meanwhile, NDUFA4 could promote glycolytic and oxidative metabolism in GC cells, whereas the inhibition of glycolysis suppressed the proliferation and tumor growth of GC. Besides, NDUFA4 inhibited ROS level and promoted MMP level in GC cells, whereas the inhibition of mitochondrial fission could reverse NDUFA4-induced glycolytic and oxidative metabolism and tumor growth of GC. Additionally, METTL3 could increase the m6A level of NDUFA4 mRNA via the m6A reader IGF2BP1 to promote NDUFA4 expression in GC cells. Our study revealed that NDUFA4 was increased by m6A methylation and could promote GC development via enhancing cell glycolysis and mitochondrial fission. NDUFA4 was a potential target for GC treatment.
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74
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Lin H, Gao Y, Sun K, Zhang Q, Li Y, Chen M, Jin F. COA3 overexpression promotes non-small cell lung cancer metastasis by reprogramming glucose metabolism. Am J Cancer Res 2022; 12:3662-3678. [PMID: 36119836 PMCID: PMC9442012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023] Open
Abstract
Recent advances in cancer research have revealed a close relationship between mitochondrial dysfunction and cancer development. Human COX assembly factor 3 (COA3), also known as CCDC56, is a mitochondrial transmembrane protein responsible for cytochrome c oxidase (COX) protein complex assembly. However, the clinical implication and biological functions of COA3 remain unexplored in human cancers, including non-small cell lung cancer (NSCLC). Here, we found that COA3 is overexpressed at both mRNA and protein levels in human NSCLC cells, mainly as a result of decreased miR-338-3p level. The protein expression level of COA3 is positively associated with lymph node metastasis and predicts poor survival in patients with NSCLC. Silencing of COA3 significantly attenuated, while forced COA3 expression enhanced the migration and invasiveness of NSCLC cells. Mechanistically, we found that aerobic glycolysis, induced at least in part by dynamic-related protein 1 (DRP1) phosphorylation-mediated mitochondrial fragmentation, contributed to COA3-promoted NSCLC metastasis. Together, our study illustrates that COA3 plays a crucial role in NSCLC carcinogenesis, implying COA3 as a prognostic marker and treatment target in NSCLC.
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Affiliation(s)
- Hongwei Lin
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, The Air Force Medical UniversityXi’an 710038, Shaanxi Province, China
| | - Yanjun Gao
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, The Air Force Medical UniversityXi’an 710038, Shaanxi Province, China
| | - Kang Sun
- Department of Respiratory and Critical Care Medicine, The 989th Hospital of Joint Logistics Support Force of Chinese People’s Liberation ArmyLuoyang 471000, Henan Province, China
| | - Qian Zhang
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, The Air Force Medical UniversityXi’an 710038, Shaanxi Province, China
| | - Yujuan Li
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, The Air Force Medical UniversityXi’an 710038, Shaanxi Province, China
| | - Min Chen
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, The Air Force Medical UniversityXi’an 710038, Shaanxi Province, China
| | - Faguang Jin
- Department of Respiratory and Critical Care Medicine, Tangdu Hospital, The Air Force Medical UniversityXi’an 710038, Shaanxi Province, China
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Du Y, Zhu YJ, Zeng B, Mu XL, Liu JY. Super-Resolution Quantification of T2DM-Induced Mitochondrial Morphology Changes and Their Implications in Pharmacodynamics of Metformin and Sorafenib. Front Pharmacol 2022; 13:932116. [PMID: 35873543 PMCID: PMC9298863 DOI: 10.3389/fphar.2022.932116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/07/2022] [Indexed: 02/05/2023] Open
Abstract
Mitochondria, as the powerhouse of cells, are involved in various processes of cellular homeostasis, especially energy metabolism. The morphology of mitochondria is a critical indicator for their functions, referring to mitochondrial fusion and fission. Here, we performed structured illumination microscopy (SIM) to measure the mitochondrial morphology in living cells. Benefitting from its nano-scale resolution, this SIM-based strategy can quantify the fusion and fission of mitochondria with high sensitivity. Furthermore, as type 2 diabetes mellitus (T2DM) is caused by a disorder of energy substrate utilization, this strategy has the potential to study T2DM by analyzing the mitochondrial morphology of insulin-resistant (IR) cells. With SIM, we found that mitochondrial fission was increased in IR MRC-5, LO2, FHs 74 Int, and HepG2 cells but not in IR Huh7 cells with high-invasiveness ability. Furthermore, we found that metformin could inhibit mitochondrial fission in IR cells, and sorafenib could promote mitochondrial fusion in HepG2 cancer cells, especially in those IR cells. To conclude, mitochondrial fission is involved in T2DM, and cancer cells with high-invasiveness ability may be equipped with stronger resistance to energy metabolism disorder. In addition, the pharmacodynamics of metformin and sorafenib in cancer may be related to the inhibition of mitochondrial fission, especially for patients with T2DM.
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Affiliation(s)
- Yang Du
- Cancer Center, State Key Laboratory of Biotherapy, Department of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Ya-Juan Zhu
- Cancer Center, State Key Laboratory of Biotherapy, Department of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Bo Zeng
- Dean's Office, West China Hospital, Sichuan University, Chengdu, China
| | - Xiao-Li Mu
- Cancer Center, State Key Laboratory of Biotherapy, Department of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Ji-Yan Liu
- Cancer Center, State Key Laboratory of Biotherapy, Department of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
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Zhai F, Li J, Ye M, Jin X. The functions and effects of CUL3-E3 ligases mediated non-degradative ubiquitination. Gene X 2022; 832:146562. [PMID: 35580799 DOI: 10.1016/j.gene.2022.146562] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/30/2022] [Accepted: 05/06/2022] [Indexed: 02/09/2023] Open
Abstract
Ubiquitination of substrates usually have two fates: one is degraded by 26S proteasome, and the other is non-degradative ubiquitination modification which is associated with cell cycle regulation, chromosome inactivation, protein transportation, tumorigenesis, achondroplasia, and neurological diseases. Cullin3 (CUL3), a scaffold protein, binding with the Bric-a-Brac-Tramtrack-Broad-complex (BTB) domain of substrates recognition adaptor and RING-finger protein 1 (RBX1) form ubiquitin ligases (E3). Based on the current researches, this review has summarized the functions and effects of CUL3-E3 ligases mediated non-degradative ubiquitination.
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Affiliation(s)
- Fengguang Zhai
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathphysiology, Medical School of Ningbo University, Ningbo 315211, China
| | - Jingyun Li
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathphysiology, Medical School of Ningbo University, Ningbo 315211, China
| | - Meng Ye
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathphysiology, Medical School of Ningbo University, Ningbo 315211, China.
| | - Xiaofeng Jin
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathphysiology, Medical School of Ningbo University, Ningbo 315211, China.
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Mitochondrial Elongation and OPA1 Play Crucial Roles during the Stemness Acquisition Process in Pancreatic Ductal Adenocarcinoma. Cancers (Basel) 2022; 14:cancers14143432. [PMID: 35884493 PMCID: PMC9322438 DOI: 10.3390/cancers14143432] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/04/2022] [Accepted: 07/13/2022] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal neoplasia and the currently used treatments are not effective in a wide range of patients. Presently, the evidence points out that cancer stem cells (CSCs) are key players during tumor development, metastasis, chemoresistance, and tumor relapse. The study of the metabolism of CSCs, specifically the mitochondrial alterations, could pave the way to the discovery of new therapeutical targets. In this study, we show that during progressive de-differentiation, pancreatic CSCs undergo changes in mitochondrial mass, dynamics, and function. Interestingly, the silencing of OPA1, a protein involved in mitochondrial fusion, significantly inhibits the formation of CSCs. These results reveal new insight into mitochondria and stemness acquisition that could be useful for the design of novel potential therapies in PDAC. Abstract Pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer with an overall 5-year survival rate of less than 9%. The high aggressiveness of PDAC is linked to the presence of a subpopulation of cancer cells with a greater tumorigenic capacity, generically called cancer stem cells (CSCs). CSCs present a heterogeneous metabolic profile that might be supported by an adaptation of mitochondrial function; however, the role of this organelle in the development and maintenance of CSCs remains controversial. To determine the role of mitochondria in CSCs over longer periods, which may reflect more accurately their quiescent state, we studied the mitochondrial physiology in CSCs at short-, medium-, and long-term culture periods. We found that CSCs show a significant increase in mitochondrial mass, more mitochondrial fusion, and higher mRNA expression of genes involved in mitochondrial biogenesis than parental cells. These changes are accompanied by a regulation of the activities of OXPHOS complexes II and IV. Furthermore, the protein OPA1, which is involved in mitochondrial dynamics, is overexpressed in CSCs and modulates the tumorsphere formation. Our findings indicate that CSCs undergo mitochondrial remodeling during the stemness acquisition process, which could be exploited as a promising therapeutic target against pancreatic CSCs.
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Li S, Han S, Zhang Q, Zhu Y, Zhang H, Wang J, Zhao Y, Zhao J, Su L, Li L, Zhou D, Ye C, Feng XH, Liang T, Zhao B. FUNDC2 promotes liver tumorigenesis by inhibiting MFN1-mediated mitochondrial fusion. Nat Commun 2022; 13:3486. [PMID: 35710796 PMCID: PMC9203792 DOI: 10.1038/s41467-022-31187-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 06/07/2022] [Indexed: 11/09/2022] Open
Abstract
Mitochondria generate ATP and play regulatory roles in various cellular activities. Cancer cells often exhibit fragmented mitochondria. However, the underlying mechanism remains elusive. Here we report that a mitochondrial protein FUN14 domain containing 2 (FUNDC2) is transcriptionally upregulated in primary mouse liver tumors, and in approximately 40% of human hepatocellular carcinoma (HCC). Importantly, elevated FUNDC2 expression inversely correlates with patient survival, and its knockdown inhibits liver tumorigenesis in mice. Mechanistically, the amino-terminal region of FUNDC2 interacts with the GTPase domain of mitofusin 1 (MFN1), thus inhibits its activity in promoting fusion of outer mitochondrial membrane. As a result, loss of FUNDC2 leads to mitochondrial elongation, decreased mitochondrial respiration, and reprogrammed cellular metabolism. These results identified a mechanism of mitochondrial fragmentation in cancer through MFN1 inhibition by FUNDC2, and suggested FUNDC2 as a potential therapeutic target of HCC.
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Affiliation(s)
- Shuaifeng Li
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Shixun Han
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Qi Zhang
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Yibing Zhu
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
| | - Haitao Zhang
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Junli Wang
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Yang Zhao
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, China
| | - Jianhui Zhao
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Lin Su
- Department of Ultrasound Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 518053, China
| | - Li Li
- Institute of Aging Research, Hangzhou Normal University, Hangzhou, 311121, China
| | - Dawang Zhou
- School of Life Sciences, Xiamen University, Xiamen, 361102, China
| | - Cunqi Ye
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
| | - Xin-Hua Feng
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, China
- Shaoxing Institute, Zhejiang University, Shaoxing, 321000, China
| | - Tingbo Liang
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Bin Zhao
- The MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China.
- Cancer Center, Zhejiang University, Hangzhou, 310058, China.
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310058, China.
- Shaoxing Institute, Zhejiang University, Shaoxing, 321000, China.
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Jiang Y, Krantz S, Qin X, Li S, Gunasekara H, Kim YM, Zimnicka A, Bae M, Ma K, Toth PT, Hu Y, Shajahan-Haq AN, Patel HH, Gentile S, Bonini MG, Rehman J, Liu Y, Minshall RD. Caveolin-1 controls mitochondrial damage and ROS production by regulating fission - fusion dynamics and mitophagy. Redox Biol 2022; 52:102304. [PMID: 35413643 PMCID: PMC9018165 DOI: 10.1016/j.redox.2022.102304] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/23/2022] [Indexed: 12/22/2022] Open
Abstract
As essential regulators of mitochondrial quality control, mitochondrial dynamics and mitophagy play key roles in maintenance of metabolic health and cellular homeostasis. Here we show that knockdown of the membrane-inserted scaffolding and structural protein caveolin-1 (Cav-1) and expression of tyrosine 14 phospho-defective Cav-1 mutant (Y14F), as opposed to phospho-mimicking Y14D, altered mitochondrial morphology, and increased mitochondrial matrix mixing, mitochondrial fusion and fission dynamics as well as mitophagy in MDA-MB-231 triple negative breast cancer cells. Further, we found that interaction of Cav-1 with mitochondrial fusion/fission machinery Mitofusin 2 (Mfn2) and Dynamin related protein 1 (Drp1) was enhanced by Y14D mutant indicating Cav-1 Y14 phosphorylation prevented Mfn2 and Drp1 translocation to mitochondria. Moreover, limiting mitochondrial recruitment of Mfn2 diminished formation of the PINK1/Mfn2/Parkin complex required for initiation of mitophagy resulting in accumulation of damaged mitochondria and ROS (mtROS). Thus, these studies indicate that phospho-Cav-1 may be an important switch mechanism in cancer cell survival which could lead to novel strategies for complementing cancer therapies.
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Affiliation(s)
- Ying Jiang
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | - Sarah Krantz
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Xiang Qin
- Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | - Shun Li
- Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | | | - Young-Mee Kim
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Adriana Zimnicka
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Misuk Bae
- Anesthesiology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Ke Ma
- Research Resources Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Peter T Toth
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Research Resources Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Ying Hu
- Chemistry, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Ayesha N Shajahan-Haq
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, 20057, USA
| | - Hemal H Patel
- VA San Diego Health System and Department of Anesthesiology, University of California at San Diego, San Diego, CA, 92161, USA
| | - Saverio Gentile
- Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Marcelo G Bonini
- Department of Medicine, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, 60614, USA
| | - Jalees Rehman
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Yiyao Liu
- Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | - Richard D Minshall
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Anesthesiology, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA.
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80
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Lian Z, Pang P, Zhu Y, Du W, Zhou J. Prognostic Value and Potential Mechanism of MTFR2 in Lung Adenocarcinoma. Front Oncol 2022; 12:832517. [PMID: 35600359 PMCID: PMC9117628 DOI: 10.3389/fonc.2022.832517] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 04/01/2022] [Indexed: 12/24/2022] Open
Abstract
Mitochondrial fission regulator 2 (MTFR2) belongs to the MTFR1 family, which plays a crucial role in regulating oxidative phosphorylation. Recent studies indicate that it also participates in cancer carcinogenesis and development; however, the clinical significance of MTFR2 in lung adenocarcinoma has not been fully confirmed. Our current study investigated the relationships between clinical characteristics and MTFR2 expression based on The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GSE31210) dataset, and clinical histopathological sample cohort. In addition, Kaplan–Meier and Cox regression analyses were additionally performed to evaluate the association between MTFR2 expression and patient survival. Gene set enrichment analysis (GESA) was conducted to spot possible pathways associated with MTFR2. Moreover, a single-sample GESA (ssGESA) was performed to evaluate the association between MTFR2 expression and immune cell infiltration. Cell colony formation assay, CCK-8 assay, cell cycle assay, and transwell assay were performed to verify the cell proliferation, migration, and invasion abilities after interfering with MTFR2 in lung cancer cells. Western blot assay was applied to identify the underlying protein levels. The results indicated that the elevated MTFR2 expression in lung adenocarcinoma samples correlated with T stage (P < 0.001), N stage (P = 0.005), M stage (P = 0.015), pathological stage (P = 0.002), and TP53 status (P < 0.001). Patients with a higher MTFR2 expression correlated with poorer overall survival (P < 0.01) and progression-free survival (P = 0.002). Knockdown of MTFR2 inhibited cell proliferation, migration, and invasion via AKT-cyclin D1 signaling and EMT pathways. Moreover, MTFR2 expression significantly positively correlated with Th2 cells (P < 0.001). Taken together, MTFR2 could serve as a novel prognostic indicator and therapeutic target for lung adenocarcinoma.
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Affiliation(s)
- Zengzhi Lian
- Department of Pulmonary and Critical Care Medicine, Taicang Affiliated Hospital of Soochow University, Suzhou, China
| | - Pei Pang
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yan Zhu
- Department of Emergency and Critical Care Medicine, Changzheng Hospital of Second Military Medical University, Shanghai, China
| | - Wenwen Du
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jintao Zhou
- Department of Pulmonary and Critical Care Medicine, Taicang Affiliated Hospital of Soochow University, Suzhou, China
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81
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Expression status and prognostic significance of mitochondrial dynamics OPA3 in human ovarian cancer. Aging (Albany NY) 2022; 14:3874-3886. [PMID: 35507809 PMCID: PMC9134952 DOI: 10.18632/aging.204050] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 04/25/2022] [Indexed: 11/30/2022]
Abstract
Early diagnosis of ovarian cancer and the discovery of prognostic markers can significantly improve survival and reduce mortality. OPA3 protein exists in a structure called mitochondria, which is the energy production center of cells, but its molecular and biological functions in ovarian cancer are still unclear. Here, the expression of OPA3 mRNA in ovarian cancer was estimated using TCGA, Oncomine, TIMER databases. We found that functional OPA3 activation caused by mutations and profound deletions predicted poor prognosis in OV patients. OPA3 was highly expressed in both OV tissues and cells compared to normal ovarian tissues/cells. High OPA3 expression is associated with poorer overall survival (OS). The association between OPA3 and immune infiltration of ovarian cancer was assessed by TIMER and CIBERSORT algorithms. OPA3 showed a strong correlation with various immune marker sets. Most importantly, pharmacogenetic analysis of OV cell lines revealed that OPA3 inactivation was associated with increased sensitivity to PFI-1, and WZ4003. Therefore, we investigated the clinical application of OPA3 to provide a basis for sensitive diagnosis, prognosis and targeted treatment of ovarian cancer.
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82
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Niu Y, Lu Y, Song W, He X, Liu Z, Zheng C, Wang S, Shi C, Liu J. Assembly and comparative analysis of the complete mitochondrial genome of three Macadamia species (M. integrifolia, M. ternifolia and M. tetraphylla). PLoS One 2022; 17:e0263545. [PMID: 35503755 PMCID: PMC9064092 DOI: 10.1371/journal.pone.0263545] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 04/19/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Macadamia is a true dicotyledonous plant that thrives in a mild, humid, low wind environment. It is cultivated and traded internationally due to its high-quality nuts thus, has significant development prospects and scientific research value. However, information on the genetic resources of Macadamia spp. remains scanty. RESULTS The mitochondria (mt) genomes of three economically important Macadamia species, Macadamia integrifolia, M. ternifolia and M. tetraphylla, were assembled through the Illumina sequencing platform. The results showed that each species has 71 genes, including 42 protein-coding genes, 26 tRNAs, and 3 rRNAs. Repeated sequence analysis, RNA editing site prediction, and analysis of genes migrating from chloroplast (cp) to mt were performed in the mt genomes of the three Macadamia species. Phylogenetic analysis based on the mt genome of the three Macadamia species and 35 other species was conducted to reveal the evolution and taxonomic status of Macadamia. Furthermore, the characteristics of the plant mt genome, including genome size and GC content, were studied through comparison with 36 other plant species. The final non-synonymous (Ka) and synonymous (Ks) substitution analysis showed that most of the protein-coding genes in the mt genome underwent negative selections, indicating their importance in the mt genome. CONCLUSION The findings of this study provide a better understanding of the Macadamia genome and will inform future research on the genus.
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Affiliation(s)
- Yingfeng Niu
- Yunnan Institute of Tropical Crops, Xishuangbanna, China
| | - Yongjie Lu
- Qingdao University of Science & Technology, Qingdao, China
| | - Weicai Song
- Qingdao University of Science & Technology, Qingdao, China
| | - Xiyong He
- Yunnan Institute of Tropical Crops, Xishuangbanna, China
| | - Ziyan Liu
- Yunnan Institute of Tropical Crops, Xishuangbanna, China
| | - Cheng Zheng
- Yunnan Institute of Tropical Crops, Xishuangbanna, China
| | - Shuo Wang
- Qingdao University of Science & Technology, Qingdao, China
| | - Chao Shi
- Qingdao University of Science & Technology, Qingdao, China
| | - Jin Liu
- Yunnan Institute of Tropical Crops, Xishuangbanna, China
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83
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Huang YL, Chen YJ, Juan YH, Wu SG, Chung KP. Prognostic significance of dynamin-related protein 1 expression in advanced lung adenocarcinoma. Pathol Res Pract 2022; 234:153931. [PMID: 35523103 DOI: 10.1016/j.prp.2022.153931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/13/2022] [Accepted: 03/22/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Dynamin-related protein 1 (DRP1) is a key regulator of mitochondrial fission and is activated by phosphorylation at serine 616. We previously demonstrated that DRP1 activation is regulated by epidermal growth factor receptor (EGFR) signaling and multiple kinases in lung adenocarcinoma, and is significantly associated with an increased risk of postoperative recurrence in early stage lung adenocarcinoma. However, it is unclear whether DRP1 activation is associated with worse prognosis in patients with advanced lung adenocarcinoma. This study is aimed to examine whether P(S616)-DRP1 expression is significantly related to the survival of patients with advanced lung adenocarcinoma. MATERIALS AND METHODS Biopsy samples were obtained from patients with stage IV lung adenocarcinoma. The activation status of DRP1 in cancer cells was quantified based on the immunohistochemical stain of phosphorylated DRP1 at serine 616 [P(S616)-DRP1]. Results of EGFR, ALK, ROS1, and KRAS mutations were retrieved from the medical records. The staining intensity and the histological scores (H-scores) of P(S616)-DRP1 were analyzed for association with progression-free survival (PFS) under first-line tyrosine-kinase inhibitors (TKIs) and with overall survival (OS). RESULTS Overall, 123 patients with stage IV lung adenocarcinoma constituted the study population, and 90 (73.2%) patients received TKIs as the first-line treatments. The median P(S616)-DRP1H-score was used to dichotomize the study population into the high (n = 61) and low (n = 62) DRP1 activation groups. DRP1 was significantly less phosphorylated in lung adenocarcinoma with EGFR, ALK, ROS1, and KRAS mutations. Importantly, in patients who received first-line TKIs, DRP1 phosphorylation was not significantly correlated with PFS and OS. Multivariate Cox proportional hazard models showed that high DRP1 activation in cancer cells was not significantly associated with worse OS in the study population (adjusted hazard ratio: 1.402, 95% confidence interval: 0.865-2.271, p = 0.170). Similar results were obtained in the analysis based on the intensities of P(S616)-DRP1 in cancer cells. CONCLUSIONS Our data demonstrate that DRP1 phosphorylation is not related to the prognosis of patients with advanced lung adenocarcinoma.
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Affiliation(s)
- Yen-Lin Huang
- Department of Pathology, National Taiwan University Cancer Center, Taipei, Taiwan; Department of Pathology, National Taiwan University Hospital, Taipei, Taiwan
| | - Yi-Jung Chen
- Department of Laboratory Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Yi-Hsiu Juan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Shang-Gin Wu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Internal Medicine, National Taiwan University Cancer Center, Taipei, Taiwan
| | - Kuei-Pin Chung
- Department of Laboratory Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan.
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84
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Wang D, Wan B, Zhang X, Sun P, Lu S, Liu C, Zhu L. Nuclear respiratory factor 1 promotes the growth of liver hepatocellular carcinoma cells via E2F1 transcriptional activation. BMC Gastroenterol 2022; 22:198. [PMID: 35448958 PMCID: PMC9027447 DOI: 10.1186/s12876-022-02260-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background Recent studies have shown that functional mitochondria are essential for cancer cells. Nuclear respiratory factor 1 (NRF1) is a transcription factor that activates mitochondrial biogenesis and the expression of the respiratory chain, but little is known about its role and underlying mechanism in liver hepatocellular carcinoma (LIHC). Methods NRF1 expression was analyzed via public databases and 24 paired LIHC samples. Clinical-pathological information and follow-up data were collected from 165 patients with LIHC or online datasets. Furthermore, cellular proliferation and the cell cycle were analyzed by MTT, Clone-forming assay and flow cytometric analyses. NRF1 target genes were analyzed by Chromatin immunoprecipitation sequencing (ChIP-Seq). PCR and WB analysis was performed to detect the expression of related genes. ChIP and luciferase activity assays were used to identify NRF1 binding sites. Results Our results showed that NRF1 expression was upregulated in LIHC compared to normal tissues. NRF1 expression was associated with tumour size and poor prognosis in patients. Knockdown of NRF1 repressed cell proliferation and overexpression of NRF1 accelerated the G1/S phase transition. Additionally, data from ChIP-seq pointed out that some NRF1 target genes are involved in the cell cycle. Our findings indicated that NRF1 directly binds to the E2F1 promoter as a transcription factor and regulates its gene expression. Conclusion Therefore, this study revealed that NRF1 promotes cancer cell growth via the indirect transcriptional activation of E2F1 and is a potential biomarker in LIHC. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-022-02260-7.
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Affiliation(s)
- Dan Wang
- Institute of Special Environmental Medicine, Nantong University, 9 Se Yuan Road, Nantong, 226019, Jiangsu, China
| | - Baolan Wan
- Institute of Special Environmental Medicine, Nantong University, 9 Se Yuan Road, Nantong, 226019, Jiangsu, China
| | - Xiaojing Zhang
- Department of Clinical Biobank, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China
| | - Pingping Sun
- Department of Clinical Biobank, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China
| | - Shu Lu
- Department of Intensive Care Unit, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China
| | - Chenxu Liu
- Department of Biochemistry and Molecular Biology, Medical School, Nantong University, Nantong, 226001, Jiangsu, China
| | - Li Zhu
- Institute of Special Environmental Medicine, Nantong University, 9 Se Yuan Road, Nantong, 226019, Jiangsu, China.
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Extracellular Vesicle-Mediated Mitochondrial Reprogramming in Cancer. Cancers (Basel) 2022; 14:cancers14081865. [PMID: 35454774 PMCID: PMC9032679 DOI: 10.3390/cancers14081865] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/01/2022] [Accepted: 04/02/2022] [Indexed: 02/08/2023] Open
Abstract
Simple Summary Mitochondria are important organelles involved in several key cellular processes including energy production and cell death regulation. For this reason, it is unsurprising that mitochondrial function and structure are altered in several pathological states including cancer. Cancer cells present variate strategies to generate sufficient energy to sustain their high proliferation rates. These adaptative strategies can be mediated by extracellular signals such as extracellular vesicles. These vesicles can alter recipient cellular behavior by delivering their molecular cargo. This review explores the different EV-mediated mitochondrial reprogramming mechanisms supporting cancer survival and progression. Abstract Altered metabolism is a defining hallmark of cancer. Metabolic adaptations are often linked to a reprogramming of the mitochondria due to the importance of these organelles in energy production and biosynthesis. Cancer cells present heterogeneous metabolic phenotypes that can be modulated by signals originating from the tumor microenvironment. Extracellular vesicles (EVs) are recognized as key players in intercellular communications and mediate many of the hallmarks of cancer via the delivery of their diverse biological cargo molecules. Firstly, this review introduces the most characteristic changes that the EV-biogenesis machinery and mitochondria undergo in the context of cancer. Then, it focuses on the EV-driven processes which alter mitochondrial structure, composition, and function to provide a survival advantage to cancer cells in the context of the hallmarks of cancers, such as altered metabolic strategies, migration and invasiveness, immune surveillance escape, and evasion of apoptosis. Finally, it explores the as yet untapped potential of targeting mitochondria using EVs as delivery vectors as a promising cancer therapeutic strategy.
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86
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Abdel-Hamid NM, Abass SA, Eldomany RA, Abdel-Kareem MA, Zakaria S. Dual regulating of mitochondrial fusion and Timp-3 by leflunomide and diallyl disulfide combination suppresses diethylnitrosamine-induced hepatocellular tumorigenesis in rats. Life Sci 2022; 294:120369. [DOI: 10.1016/j.lfs.2022.120369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/25/2022] [Accepted: 01/28/2022] [Indexed: 12/28/2022]
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87
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Huang Y, Chu X, Zhang Y, Yang S, Shi Y, Chen Q. Transformation of Mitochondrial Architecture and Dynamics in the Chinese Soft-Shelled Turtle ( Pelodiscus sinensis) During Hibernation. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2022; 28:1-11. [PMID: 35317875 DOI: 10.1017/s1431927622000484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Hibernation is a biological status during which hibernating animals acclimatize themselves to reduced energy consumption through extreme but governed decline in self-metabolism. The role of mitochondria (Mt) in metabolic suppression during hibernation has already been elaborated in different organs and species. Nonetheless, the concretely changing process of mitochondrial architecture and the mechanism underlying this transformation during hibernation remains unclear. Herein, the present study was aimed at clarifying the detailed alteration of mitochondrial morphology and its potential role in the Chinese soft-shelled turtle (Pelodiscus sinensis) during different stages of hibernation. Compared with the nonhibernation period, the mitochondrial architecture was changing from round to crescent, and lipid droplet (LD)/Mt interaction was enhanced during hibernation, as observed by transmission electron microscopy (TEM). Further ultrastructural analysis uncovered that mitochondrial fusion was promptly accelerated in the early stage of hibernation, followed by mitochondrial fission in the middle stage, and mitophagy was boosted in the late stage. Moreover, gene and protein expression related to mitochondrial fusion, fission, and mitophagy accorded closely with the mitochondrial ultrastructural changes in different stages of hibernation. Taken together, our results clarified that the transformation of mitochondrial architecture and mitochondrial dynamics are of vital importance in maintaining internal environment homeostasis of Pelodiscus sinensis.
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Affiliation(s)
- Yufei Huang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province210095, P.R. China
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu Province225009, P.R. China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu Province 225009, P.R. China
| | - Xiaoya Chu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province210095, P.R. China
| | - Yafei Zhang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province210095, P.R. China
| | - Sheng Yang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province210095, P.R. China
| | - Yonghong Shi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province210095, P.R. China
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai200241, P.R. China
| | - Qiusheng Chen
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province210095, P.R. China
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Huang TL, Chang CR, Chien CY, Huang GK, Chen YF, Su LJ, Tsai HT, Lin YS, Fang FM, Chen CH. DRP1 contributes to head and neck cancer progression and induces glycolysis through modulated FOXM1/MMP12 axis. Mol Oncol 2022; 16:2585-2606. [PMID: 35313071 PMCID: PMC9251862 DOI: 10.1002/1878-0261.13212] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 02/19/2022] [Accepted: 03/18/2022] [Indexed: 12/24/2022] Open
Abstract
Abnormal DRP1 expression has been identified in a variety of human cancers. However, the prognostic potential and mechanistic role of DRP1 in head and neck cancer (HNC) are currently poorly understood. Here, we demonstrated a significant upregulation of DRP1 in HNC tissues, and that DRP1 expression correlates with poor survival of HNC patients. Diminished DRP1 expression suppressed tumor growth and metastasis in both in vitro and in vivo models. DRP1 expression was positively correlated with FOXM1 and MMP12 expression in HNC patient samples, suggesting pathological relevance in the context of HNC development. Moreover, DRP1 depletion affected aerobic glycolysis through the downregulation of glycolytic genes, and overexpression of MMP12 in DRP1‐depleted cells could help restore glucose consumption and lactate production. Using ChIP‐qPCR, we showed that DRP1 modulates FOXM1 expression, which can enhance MMP12 transcription by binding to its promoter. We also showed that miR‐575 could target 3’UTR of DRP1 mRNA and suppress DRP1 expression. Collectively, our study provides mechanistic insights into the role of DRP1 in HNC and highlights the potential of targeting the miR‐575/DRP1/FOXM1/MMP12 axis as a novel therapy for the prevention of HNC progression.
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Affiliation(s)
- Tai-Lin Huang
- Division of Hematology-Oncology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan.,Kaohsiung Chang Gung Head and Neck Oncology Group, Cancer Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Chuang-Rung Chang
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan
| | - Chih-Yen Chien
- Kaohsiung Chang Gung Head and Neck Oncology Group, Cancer Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.,Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Gong-Kai Huang
- Department of Anatomic Pathology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Yi-Fan Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Li-Jen Su
- Department of Biomedical Sciences and Engineering, Education and Research Center for Technology Assisted Substance Abuse Prevention and Management, and Core Facilities for High Throughput Experimental Analysis, National Central University, Taoyuan County, Jhongli City, Taiwan
| | - Hsin-Ting Tsai
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Yu-Sheng Lin
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, China
| | - Fu-Min Fang
- Kaohsiung Chang Gung Head and Neck Oncology Group, Cancer Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.,Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chang-Han Chen
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
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Cheng J, Sha Z, Zhang R, Ge J, Chen P, Kuang X, Chang J, Ren K, Luo X, Chen S, Gou X. L22 ribosomal protein is involved in dynamin-related protein 1-mediated gastric carcinoma progression. Bioengineered 2022; 13:6650-6664. [PMID: 35230214 PMCID: PMC9208493 DOI: 10.1080/21655979.2022.2045842] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Mitochondrial fission depends on dynamin-related protein 1 (Drp1) guanosine triphosphatase activity. Although there is some association between Drp1 and gastric cancer, the detailed mechanism remains largely unknown. In this study, the elevation of Drp1 was observed in human gastric carcinoma specimens including gastric mixed adenocarcinoma tissues, gastric intestinal-type adenocarcinoma tissues, and human gastric cancer cells compared to normal control, but not in diffuse gastric adenocarcinoma tissues. Gastric cancer patients with high Drp1 harbored advanced pathological stages and poor progression-free survival probability compared to those with low Drp1. Mdivi-1-mediated inactivation of Drp1 robustly inhibited cell viability and tumor growth but conversely induced cell apoptotic events in vitro and in vivo. Based on the Encyclopedia of RNA Interactomes Starbase, L22 ribosomal protein (RPL22) was recognized as the potential downstream oncogene of Drp1. Clinically, the significant correlation of Drp1 and RPL22 was also verified. Mechanistically, Drp1 inactivation did not affect the accumulation of RPL22 in gastric carcinoma. However, the intracellular distribution of RPL22 had an endonuclear location in Drp1-inactivated tumors. Of note, Drp1 inactivation notably reduced the expression of cytoplasmic RPL22 and increased its nuclear level in gastric cancer cells. Collectively, Drp1 had high levels in human gastric carcinoma specimens and could serve as a potential diagnostic and prognostic biomarker in gastric carcinoma. The Drp1 inactivation-mediated anti-proliferative and pro-apoptosis effects on gastric cancer were possibly associated with nuclear import of RPL22. This knowledge may provide new therapeutic tools for treating gastric carcinoma via targeting mitochondria-related ribosome pathway.
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Affiliation(s)
- Jianghong Cheng
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical UniversityChina , Xi'an, China
| | - Zizhuo Sha
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical UniversityChina , Xi'an, China
| | - Ruisan Zhang
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical UniversityChina , Xi'an, China
| | - Jinghao Ge
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Peng Chen
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical UniversityChina , Xi'an, China
| | - Xuefeng Kuang
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jiazhi Chang
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Kai Ren
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical UniversityChina , Xi'an, China
| | - Xianyang Luo
- Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, China.,Xiamen Key Laboratory of Otolaryngology Head and Neck Surgery, Xiamen, China
| | - Shuai Chen
- Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, China.,Xiamen Key Laboratory of Otolaryngology Head and Neck Surgery, Xiamen, China
| | - Xingchun Gou
- Shaanxi Key Laboratory of Brain Disorders and School of Basic Medical Science, Xi'an Medical UniversityChina , Xi'an, China.,Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, China.,Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, China
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90
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Li Y, Chen H, Yang Q, Wan L, Zhao J, Wu Y, Wang J, Yang Y, Niu M, Liu H, Liu J, Yang H, Wan S, Wang Y, Bao D. Increased Drp1 promotes autophagy and ESCC progression by mtDNA stress mediated cGAS-STING pathway. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2022; 41:76. [PMID: 35209954 PMCID: PMC8867650 DOI: 10.1186/s13046-022-02262-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 01/14/2022] [Indexed: 12/30/2022]
Abstract
Background Mitochondrial dynamics homeostasis is important for cell metabolism, growth, proliferation, and immune responses. The critical GTPase for mitochondrial fission, Drp1 is frequently upregulated in many cancers and is closely implicated in tumorigenesis. However, the mechanism underling Drp1 to influence tumor progression is largely unknown, especially in esophageal squamous cell carcinoma (ESCC). Methods Immunohistochemistry was used to examine Drp1 and LC3B expression in tissues of ESCC patients. Autophagic vesicles were investigated by transmission electron microscopy. Fluorescent LC3B puncta and mitochondrial nucleoid were observed by fluorescent and confocal microscopy. Mitochondrial function was evaluated by mitochondrial membrane potential, ROS and ATP levels. Xenograft tumor model was performed in BALB/c nude mice to analyze the role of Drp1 on ESCC progression. Results We found that Drp1 high expression is correlated with poor overall survival of ESCC patients. Drp1 overexpression promotes cell proliferation and xenograft ESCC tumor growth by triggering autophagy. Furthermore, we demonstrated that Drp1 overexpression disturbs mitochondrial function and subsequent induces mitochondrial DNA (mtDNA) released into the cytosol thereby inducing cytosolic mtDNA stress. Mechanistically, cytosolic mtDNA activates the cGAS-STING pathway and facilitates autophagy, which promotes ESCC cancer growth. Moreover, mtDNA digestion with DNase I and autophagy inhibition with chloroquine attenuates the cGAS-STING pathway activation and ESCC cancer growth. Conclusions Our finding reveals that Drp1 overexpression induces mitochondrial dysfunction and cytosolic mtDNA stress, which subsequently activates the cGAS-STING pathway, triggers autophagy and promotes ESCC progression. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-022-02262-z.
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Affiliation(s)
- Yujia Li
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China.,School of Life Sciences, Henan University, Kaifeng, 475004, Henan, China
| | - Hui Chen
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Qi Yang
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China.,School of Life Sciences, Henan University, Kaifeng, 475004, Henan, China
| | - Lixin Wan
- Nanyang Central Hospital, Henan University, Nanyang, 473000, Henan, China
| | - Jing Zhao
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Yuanyuan Wu
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Jiaxin Wang
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Yating Yang
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Menglan Niu
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Hongliang Liu
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China
| | - Junqi Liu
- Department of Radiation Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Hushan Yang
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Shaogui Wan
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China. .,Center for Molecular Pathology, First Affiliated Hospital, Gannan Medical University, Ganzhou, 341000, Jiangxi, China.
| | - Yanming Wang
- School of Life Sciences, Henan University, Kaifeng, 475004, Henan, China.
| | - Dengke Bao
- Laboratory of Cancer Biomarkers and Liquid Biopsy, School of Pharmacy, Henan University, Kaifeng, 475004, Henan, China. .,Nanyang Central Hospital, Henan University, Nanyang, 473000, Henan, China.
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91
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Lee YG, Park DH, Chae YC. Role of Mitochondrial Stress Response in Cancer Progression. Cells 2022; 11:cells11050771. [PMID: 35269393 PMCID: PMC8909674 DOI: 10.3390/cells11050771] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 02/07/2023] Open
Abstract
Mitochondria are subcellular organelles that are a hub for key biological processes, such as bioenergetic, biosynthetic, and signaling functions. Mitochondria are implicated in all oncogenic processes, from malignant transformation to metastasis and resistance to chemotherapeutics. The harsh tumor environment constantly exposes cancer cells to cytotoxic stressors, such as nutrient starvation, low oxygen, and oxidative stress. Excessive or prolonged exposure to these stressors can cause irreversible mitochondrial damage, leading to cell death. To survive hostile microenvironments that perturb mitochondrial function, cancer cells activate a stress response to maintain mitochondrial protein and genome integrity. This adaptive mechanism, which is closely linked to mitochondrial function, enables rapid adjustment and survival in harsh environmental conditions encountered during tumor dissemination, thereby promoting cancer progression. In this review, we describe how the mitochondria stress response contributes to the acquisition of typical malignant traits and highlight the potential of targeting the mitochondrial stress response as an anti-cancer therapeutic strategy.
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Affiliation(s)
- Yu Geon Lee
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (Y.G.L.); (D.H.P.)
- Korea Food Research Institute, Wanju 55365, Korea
| | - Do Hong Park
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (Y.G.L.); (D.H.P.)
| | - Young Chan Chae
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (Y.G.L.); (D.H.P.)
- Correspondence: ; Tel.: +82-52-217-2524 or +82-52-217-2638
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92
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Metabolism, Mitochondrial Dysfunction, and Redox Homeostasis in Pulmonary Hypertension. Antioxidants (Basel) 2022; 11:antiox11020428. [PMID: 35204311 PMCID: PMC8869288 DOI: 10.3390/antiox11020428] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 02/05/2023] Open
Abstract
Pulmonary hypertension (PH) represents a group of disorders characterized by elevated mean pulmonary artery (PA) pressure, progressive right ventricular failure, and often death. Some of the hallmarks of pulmonary hypertension include endothelial dysfunction, intimal and medial proliferation, vasoconstriction, inflammatory infiltration, and in situ thrombosis. The vascular remodeling seen in pulmonary hypertension has been previously linked to the hyperproliferation of PA smooth muscle cells. This excess proliferation of PA smooth muscle cells has recently been associated with changes in metabolism and mitochondrial biology, including changes in glycolysis, redox homeostasis, and mitochondrial quality control. In this review, we summarize the molecular mechanisms that have been reported to contribute to mitochondrial dysfunction, metabolic changes, and redox biology in PH.
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93
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Singh J, Dandapath I, Jha P, Shukla N, Gupta R, Katiyar A, Sharma V, Mahajan S, Chaturvedi S, Ahuja A, Bhardwaj M, Saran R, Garg A, Sharma MC, Manjunath N, Suri A, Kulshreshtha R, Sarkar C, Suri V. Gene expression based profiling of pleomorphic xanthoastrocytoma highlights two prognostic subgroups. Am J Transl Res 2022; 14:1010-1023. [PMID: 35273703 PMCID: PMC8902531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 11/19/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Pleomorphic xanthoastrocytomas (PXAs) are rare, accounting for less than 1% of astrocytomas, and commonly occur in young patients. The majority are WHO grade II. A fraction of tumors that present or recur with malignant change are classified as anaplastic (APXA, grade III). Limited data are available on their molecular characteristics. METHODOLOGY Genome-wide expression profiling of 14 PXA and 6 APXAs was performed by microarray. Among differentially expressed genes (DEGs), Cyclin-Dependent Kinase 14 (CDK14) and Mitochondrial Fission Process 1 (MTFP1) were validated by qRT PCR. RESULT Unsupervised hierarchical clustering revealed two distinct molecular clusters (Cluster 1: 10 PXA, 3 APXA and Cluster 2: 4 PXA, 3 APXA) with grade II and III tumors distributed in both highlighting molecular heterogeneity within the same grade. There was an insignificant difference in age, sex, immunohistochemical profile, frequency of BRAF mutation, or CDKN2A deletion among the two clusters. Significantly, worse progression-free survival was observed in cluster 2 (P=0.003). mRNA profiling-based prediction of recurrence was superior to and independent of histological grade, BRAF mutation, or CDKN2A deletion status. A total of 10 upregulated and 418 downregulated genes were identified between the PXA clusters. qRT-PCR validation of CDK14 (upregulated in cluster 2) and MTFP1 (upregulated in cluster 1) showed strong concordance with expression array data. CONCLUSION This is the first comprehensive study highlighting distinct molecular subgroups of PXA. The differentially expressed genes between two clusters may potentially be used for developing histology independent classification schemes, prognostication and may serve as prospective therapeutic targets for PXA patients.
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Affiliation(s)
- Jyotsna Singh
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Iman Dandapath
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Prerana Jha
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Nidhi Shukla
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Rahul Gupta
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology DelhiNew Delhi, India
| | - Amit Katiyar
- CCRF, All India Institute of Medical SciencesNew Delhi, India
| | - Vikas Sharma
- CCRF, All India Institute of Medical SciencesNew Delhi, India
| | - Swati Mahajan
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Sujata Chaturvedi
- Department of Pathology, Institute of Human Behaviour and Allied SciencesNew Delhi, India
| | - Arvind Ahuja
- Department of Pathology, PGIMER & Dr. RML HospitalNew Delhi, India
| | | | - Ravindra Saran
- Department of Pathology, GB Pant Institute of Postgraduate Medical Education and ResearchNew Delhi, India
| | - Ajay Garg
- Department of Neuroradiology, All India Institute of Medical SciencesNew Delhi, India
| | - Mehar C Sharma
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Niveditha Manjunath
- Department of Neurosurgery, All India Institute of Medical SciencesNew Delhi, India
| | - Ashish Suri
- Department of Neurosurgery, All India Institute of Medical SciencesNew Delhi, India
| | - Ritu Kulshreshtha
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology DelhiNew Delhi, India
| | - Chitra Sarkar
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
| | - Vaishali Suri
- Department of Pathology, All India Institute of Medical SciencesNew Delhi, India
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94
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Gbetuwa M, Lu LS, Wang TJ, Chen YJ, Chiou JF, Su TY, Yang TS. Nucleus Near-Infrared (nNIR) Irradiation of Single A549 Cells Induces DNA Damage and Activates EGFR Leading to Mitochondrial Fission. Cells 2022; 11:cells11040624. [PMID: 35203275 PMCID: PMC8870661 DOI: 10.3390/cells11040624] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 01/29/2022] [Accepted: 02/08/2022] [Indexed: 12/10/2022] Open
Abstract
There has been great interest in identifying the biological substrate for light-cell interaction and their relations to cancer treatment. In this study, a near-infrared (NIR) laser is focused into the nucleus (nNIR) or cytoplasm (cNIR) of a single living cell by a high numerical aperture condenser to dissect the novel role of cell nucleus in mediating NIR effects on mitochondrial dynamics of A549 non-small cell lung cancer cells. Our analysis showed that nNIR, but not cNIR, triggered mitochondrial fission in 10 min. In contrast, the fission/fusion balance of mitochondria directly exposed to cNIR does not change. While the same phenomenon is also triggered by single molecular interactions between epidermal growth factor (EGF) and its receptor EGFR, pharmacological studies with cetuximab, PD153035, and caffeine suggest EGF signaling crosstalk to DNA damaging response to mediate rapid mitochondrial fission as a result of nNIR irradiation. These results suggest that nuclear DNA integrity is a novel biological target for cellular response to NIR.
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Affiliation(s)
- Momoh Gbetuwa
- Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, Taipei 110, Taiwan; (M.G.); (L.-S.L.); (Y.-J.C.)
| | - Long-Sheng Lu
- Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, Taipei 110, Taiwan; (M.G.); (L.-S.L.); (Y.-J.C.)
- International PhD Program in Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
- Department of Medical Research, Taipei Medical University Hospital, Taipei 110, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
- Center for Cell Therapy, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan
- International PhD Program for Cell Therapy and Regeneration, Taipei Medical University, Taipei 110, Taiwan
| | - Tsung-Jen Wang
- Department of Ophthalmology, Taipei Medical University Hospital, Taipei 110, Taiwan;
- Department of Ophthalmology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Yin-Ju Chen
- Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, Taipei 110, Taiwan; (M.G.); (L.-S.L.); (Y.-J.C.)
- International PhD Program in Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
- Department of Medical Research, Taipei Medical University Hospital, Taipei 110, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Jeng-Fong Chiou
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan;
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
- Department of Radiology, School of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Tai-Yuan Su
- Department of Electrical Engineering, Yuan-Ze University, Chung-Li 32003, Taiwan;
| | - Tzu-Sen Yang
- International PhD Program in Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
- Graduate Institute of Biomedical Optomechatronics, Taipei Medical University, Taipei 110, Taiwan
- School of Dental Technology, Taipei Medical University, Taipei 110, Taiwan
- Research Center of Biomedical Device, Taipei Medical University, Taipei 110, Taiwan
- Correspondence: ; Tel.: +886-2-27361661 (ext. 5206)
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95
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Metabolic Reprogramming in Response to Alterations of Mitochondrial DNA and Mitochondrial Dysfunction in Gastric Adenocarcinoma. Int J Mol Sci 2022; 23:ijms23031857. [PMID: 35163779 PMCID: PMC8836428 DOI: 10.3390/ijms23031857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 02/05/2023] Open
Abstract
We used gastric cancer cell line AGS and clinical samples to investigate the roles of mitochondrial DNA (mtDNA) alterations and mitochondrial respiratory dysfunction in gastric adenocarcinoma (GAC). A total of 131 clinical samples, including 17 normal gastric mucosa (N-GM) from overweight patients who had received sleeve gastrectomy and 57 paired non-cancerous gastric mucosae (NC-GM) and GAC from GAC patients who had undergone partial/subtotal/total gastrectomy, were recruited to examine the copy number and D310 sequences of mtDNA. The gastric cancer cell line AGS was used with knockdown (KD) mitochondrial transcription factor A (TFAM) to achieve mitochondrial dysfunction through a decrease of mtDNA copy number. Parental (PT), null-target (NT), and TFAM-KD-(A/B/C) represented the parental, control, and TFAM knocked-down AGS cells, respectively. These cells were used to compare the parameters reflecting mitochondrial biogenesis, glycolysis, and cell migration activity. The median mtDNA copy numbers of 17 N-GM, 57 NC-GM, and 57 GAC were 0.058, 0.055, and 0.045, respectively. The trend of decrease was significant (p = 0.030). In addition, GAC had a lower mean mtDNA copy number of 0.055 as compared with the paired NC-GM of 0.078 (p < 0.001). The mean mtDNA copy number ratio (mtDNA copy number of GAC/mtDNA copy number of paired NC-GM) was 0.891. A total of 35 (61.4%) GAC samples had an mtDNA copy number ratio ≤0.804 (p = 0.017) and 27 (47.4%) harbored a D310 mutation (p = 0.047), and these patients had shorter survival time and poorer prognosis. After effective knockdown of TFAM, TFAM-KD-B/C cells expressed higher levels of hexokinase II (HK-II) and v-akt murine thymoma viral oncogene homolog 1 gene (AKT)-encoded AKT, but lower levels of phosphorylated pyruvate dehydrogenase (p-PDH) than did the NT/PT AGS cells. Except for a higher level of p-PDH, the expression levels of these proteins remained unchanged in TFAM-KD-A, which had a mild knockdown of TFAM. Compared to those of NT, TFAM-KD-C had not only a lower mtDNA copy number (p = 0.050), but also lower oxygen consumption rates (OCR), including basal respiration (OCRBR), ATP-coupled respiration (OCRATP), reserve capacity (OCRRC), and proton leak (OCRPL)(all with p = 0.050). In contrast, TFAM-KD-C expressed a higher extracellular acidification rate (ECAR)/OCRBR ratio (p = 0.050) and a faster wound healing migration at 6, 12, and 18 h, respectively (all with p = 0.050). Beyond a threshold, the decrease in mtDNA copy number, the mtDNA D310 mutation, and mitochondrial dysfunction were involved in the carcinogenesis and progression of GACs. Activation of PDH might be considered as compensation for the mitochondrial dysfunction in response to glucose metabolic reprogramming or to adjust mitochondrial plasticity in GAC.
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96
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Kvetnoy I, Ivanov D, Mironova E, Evsyukova I, Nasyrov R, Kvetnaia T, Polyakova V. Melatonin as the Cornerstone of Neuroimmunoendocrinology. Int J Mol Sci 2022; 23:ijms23031835. [PMID: 35163757 PMCID: PMC8836571 DOI: 10.3390/ijms23031835] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 11/23/2022] Open
Abstract
Much attention has been recently drawn to studying melatonin – a hormone whose synthesis was first found in the epiphysis (pineal gland). This interest can be due to discovering the role of melatonin in numerous physiological processes. It was the discovery of melatonin synthesis in endocrine organs (pineal gland), neural structures (Purkinje cells in the cerebellum, retinal photoreceptors), and immunocompetent cells (T lymphocytes, NK cells, mast cells) that triggered the evolution of new approaches to the unifield signal regulation of homeostasis, which, at the turn of the 21st century, lead to the creation of a new integral biomedical discipline — neuroimmunoendocrinology. While numerous hormones have been verified over the last decade outside the “classical” locations of their formation, melatonin occupies an exclusive position with regard to the diversity of locations where it is synthesized and secreted. This review provides an overview and discussion of the major data regarding the role of melatonin in various physiological and pathological processes, which affords grounds for considering melatonin as the “cornerstone” on which neuroimmunoendocrinology has been built as an integral concept of homeostasis regulation.
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Affiliation(s)
- Igor Kvetnoy
- Center of Molecular Biomedicine, Saint-Petersburg Research Institute of Phthisiopulmonology, 191036 Saint-Petersburg, Russia;
- Department of Physiology and Department of Pathology, Saint-Petersburg State University, 199034 Saint-Petersburg, Russia
| | - Dmitry Ivanov
- Department of Pathology, Saint-Petersburg State Pediatric Medical University, 194100 Saint-Petersburg, Russia; (D.I.); (R.N.); (V.P.)
| | - Ekaterina Mironova
- Center of Molecular Biomedicine, Saint-Petersburg Research Institute of Phthisiopulmonology, 191036 Saint-Petersburg, Russia;
- Department of Biogerontology, Saint Petersburg Institute of Bioregulation and Gerontology, 197110 Saint-Petersburg, Russia;
- Correspondence:
| | - Inna Evsyukova
- Department of Perinatal Pathology, Ott Research Institute of Obstetrics, Gynecology and Reproductology, 199034 Saint-Petersburg, Russia;
| | - Ruslan Nasyrov
- Department of Pathology, Saint-Petersburg State Pediatric Medical University, 194100 Saint-Petersburg, Russia; (D.I.); (R.N.); (V.P.)
| | - Tatiana Kvetnaia
- Department of Biogerontology, Saint Petersburg Institute of Bioregulation and Gerontology, 197110 Saint-Petersburg, Russia;
| | - Victoria Polyakova
- Department of Pathology, Saint-Petersburg State Pediatric Medical University, 194100 Saint-Petersburg, Russia; (D.I.); (R.N.); (V.P.)
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97
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Read GH, Bailleul J, Vlashi E, Kesarwala AH. Metabolic response to radiation therapy in cancer. Mol Carcinog 2022; 61:200-224. [PMID: 34961986 PMCID: PMC10187995 DOI: 10.1002/mc.23379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/01/2021] [Accepted: 12/01/2021] [Indexed: 11/11/2022]
Abstract
Tumor metabolism has emerged as a hallmark of cancer and is involved in carcinogenesis and tumor growth. Reprogramming of tumor metabolism is necessary for cancer cells to sustain high proliferation rates and enhanced demands for nutrients. Recent studies suggest that metabolic plasticity in cancer cells can decrease the efficacy of anticancer therapies by enhancing antioxidant defenses and DNA repair mechanisms. Studying radiation-induced metabolic changes will lead to a better understanding of radiation response mechanisms as well as the identification of new therapeutic targets, but there are few robust studies characterizing the metabolic changes induced by radiation therapy in cancer. In this review, we will highlight studies that provide information on the metabolic changes induced by radiation and oxidative stress in cancer cells and the associated underlying mechanisms.
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Affiliation(s)
- Graham H. Read
- Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
| | - Justine Bailleul
- Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
| | - Erina Vlashi
- Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, California
| | - Aparna H. Kesarwala
- Department of Radiation Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia
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98
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Romani P, Nirchio N, Arboit M, Barbieri V, Tosi A, Michielin F, Shibuya S, Benoist T, Wu D, Hindmarch CCT, Giomo M, Urciuolo A, Giamogante F, Roveri A, Chakravarty P, Montagner M, Calì T, Elvassore N, Archer SL, De Coppi P, Rosato A, Martello G, Dupont S. Mitochondrial fission links ECM mechanotransduction to metabolic redox homeostasis and metastatic chemotherapy resistance. Nat Cell Biol 2022; 24:168-180. [PMID: 35165418 PMCID: PMC7615745 DOI: 10.1038/s41556-022-00843-w] [Citation(s) in RCA: 75] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 01/06/2022] [Indexed: 01/07/2023]
Abstract
Metastatic breast cancer cells disseminate to organs with a soft microenvironment. Whether and how the mechanical properties of the local tissue influence their response to treatment remains unclear. Here we found that a soft extracellular matrix empowers redox homeostasis. Cells cultured on a soft extracellular matrix display increased peri-mitochondrial F-actin, promoted by Spire1C and Arp2/3 nucleation factors, and increased DRP1- and MIEF1/2-dependent mitochondrial fission. Changes in mitochondrial dynamics lead to increased production of mitochondrial reactive oxygen species and activate the NRF2 antioxidant transcriptional response, including increased cystine uptake and glutathione metabolism. This retrograde response endows cells with resistance to oxidative stress and reactive oxygen species-dependent chemotherapy drugs. This is relevant in a mouse model of metastatic breast cancer cells dormant in the lung soft tissue, where inhibition of DRP1 and NRF2 restored cisplatin sensitivity and prevented disseminated cancer-cell awakening. We propose that targeting this mitochondrial dynamics- and redox-based mechanotransduction pathway could open avenues to prevent metastatic relapse.
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Affiliation(s)
- Patrizia Romani
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy
| | - Nunzia Nirchio
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy
| | - Mattia Arboit
- Department of Biology (DiBio), University of Padua, Padua, Italy
| | - Vito Barbieri
- Department of Surgery, Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
- Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | - Anna Tosi
- Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | - Federica Michielin
- Institute of Child Health, NIHR Biomedical Research Centre, Great Ormond Street Institute of Child Health, UCL, London, UK
| | - Soichi Shibuya
- Institute of Child Health, NIHR Biomedical Research Centre, Great Ormond Street Institute of Child Health, UCL, London, UK
| | - Thomas Benoist
- Institute of Child Health, NIHR Biomedical Research Centre, Great Ormond Street Institute of Child Health, UCL, London, UK
| | - Danchen Wu
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | | | - Monica Giomo
- Department of Industrial Engineering (DII), University of Padua, Padua, Italy
- Venetian Institute of Molecular Medicine (VIMM), Padua, Italy
| | - Anna Urciuolo
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy
- Fondazione Istituto di Ricerca Pediatrica (IRP), Città della Speranza, Padua, Italy
| | - Flavia Giamogante
- Department of Biomedical Sciences (DSB), University of Padua, Padua, Italy
| | - Antonella Roveri
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy
| | | | - Marco Montagner
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy
| | - Tito Calì
- Department of Biomedical Sciences (DSB), University of Padua, Padua, Italy
| | - Nicola Elvassore
- Institute of Child Health, NIHR Biomedical Research Centre, Great Ormond Street Institute of Child Health, UCL, London, UK
- Department of Industrial Engineering (DII), University of Padua, Padua, Italy
- Venetian Institute of Molecular Medicine (VIMM), Padua, Italy
| | - Stephen L Archer
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Paolo De Coppi
- Institute of Child Health, NIHR Biomedical Research Centre, Great Ormond Street Institute of Child Health, UCL, London, UK
| | - Antonio Rosato
- Department of Surgery, Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy
- Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | | | - Sirio Dupont
- Department of Molecular Medicine (DMM), University of Padua, Padua, Italy.
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Gallyas F, Ramadan FHJ, Andreidesz K, Hocsak E, Szabo A, Tapodi A, Kiss GN, Fekete K, Bognar R, Szanto A, Bognar Z. Involvement of Mitochondrial Mechanisms and Cyclooxygenase-2 Activation in the Effect of Desethylamiodarone on 4T1 Triple-Negative Breast Cancer Line. Int J Mol Sci 2022; 23:ijms23031544. [PMID: 35163464 PMCID: PMC8836269 DOI: 10.3390/ijms23031544] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 12/10/2022] Open
Abstract
Novel compounds significantly interfering with the mitochondrial energy production may have therapeutic value in triple-negative breast cancer (TNBC). This criterion is clearly fulfilled by desethylamiodarone (DEA), which is a major metabolite of amiodarone, a widely used antiarrhythmic drug, since the DEA previously demonstrated anti-neoplastic, anti-metastasizing, and direct mitochondrial effects in B16F10 melanoma cells. Additionally, the more than fifty years of clinical experience with amiodarone should answer most of the safety concerns about DEA. Accordingly, in the present study, we investigated DEA’s potential in TNBC by using a TN and a hormone receptor positive (HR+) BC cell line. DEA reduced the viability, colony formation, and invasive growth of the 4T1 cell line and led to a higher extent of the MCF-7 cell line. It lowered mitochondrial transmembrane potential and induced mitochondrial fragmentation. On the other hand, DEA failed to significantly affect various parameters of the cellular energy metabolism as determined by a Seahorse live cell respirometer. Cyclooxygenase 2 (COX-2), which was upregulated by DEA in the TNBC cell line only, accounted for most of 4T1’s DEA resistance, which was counteracted by the selective COX-2 inhibitor celecoxib. All these data indicate that DEA may have potentiality in the therapy of TNBC.
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Affiliation(s)
- Ferenc Gallyas
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
- Szentagothai Research Centre, University of Pecs, 7624 Pecs, Hungary
- LERN-UP Nuclear-Mitochondrial Interactions Research Group, 1245 Budapest, Hungary
| | - Fadi H. J. Ramadan
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Kitti Andreidesz
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Eniko Hocsak
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Aliz Szabo
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Antal Tapodi
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Gyongyi N. Kiss
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Katalin Fekete
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Rita Bognar
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
| | - Arpad Szanto
- Urology Clinic, UP Medical Center, University of Pecs Medical School, 7624 Pecs, Hungary;
| | - Zita Bognar
- Department of Biochemistry and Medical Chemistry, University of Pecs Medical School, 7624 Pecs, Hungary; (F.G.J.); (F.H.J.R.); (K.A.); (E.H.); (A.S.); (A.T.); (G.N.K.); (K.F.); (R.B.)
- Correspondence: ; Tel.: +36-72-536-276
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Liraglutide Regulates Mitochondrial Quality Control System Through PGC-1α in a Mouse Model of Parkinson's Disease. Neurotox Res 2022; 40:286-297. [PMID: 35043376 DOI: 10.1007/s12640-021-00460-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 12/09/2022]
Abstract
Parkinson's disease (PD) is a multifactorial disorder, and there is strong evidence that mitochondria play an essential role in the disorder. Factors that regulate the mechanism of the mitochondrial quality control system have been drawing more and more attention. PGC-1α (peroxisome proliferator-activated receptor-γ coactivator-1α) is a powerful transcription factor involved in regulation of mitochondrial function. Glucagon-like peptide 1 (GLP-1), a brain-gut peptide, can enter the central nervous system through the blood-brain barrier and play neuroprotective role. However, whether the GLP-1R agonist liraglutide regulates mitochondrial quality control system through PGC-1α is still unclear. We administered different doses of liraglutide to intervene MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine)-induced PD model, and then immunofluorescence, Western blot, and stereotactic injection of lentivirus to downregulate PGC-1α were used to explore the mechanisms underlying the protective effect of liraglutide in PD. The results showed that MPTP lead to decreased mitochondrial biogenesis, disrupted mitochondrial dynamics, inhibited mitochondrial autophagy, and promoted cell apoptosis. While liraglutide effectively attenuated the neurotoxicity of MPTP, including reversing the dyskinesia caused by MPTP and preserving the expression of GLP-1R, TH, and PGC-1α in the substantia nigra (SN), further experiments showed that downregulation of PGC-1α expression via stereotactic injection PGC-1α lentivirus into the SN reversed the liraglutide protective effects. By PGC-1α downregulation, we found that PGC-1α can not only regulate mitochondria biogenesis, mitochondria dynamics, and autophagy, but also regulate cell apoptosis. In summary, liraglutide has a neuroprotective effect in the PD model induced by MPTP. This protective effect is accomplished by activating PGC-1α, which regulates the mitochondrial quality control system.
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