1
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Fnu G, Weber GF. Targeting the core program of metastasis with a novel drug combination. Cancer Med 2024; 13:e7291. [PMID: 38826119 PMCID: PMC11145026 DOI: 10.1002/cam4.7291] [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: 10/10/2023] [Revised: 04/29/2024] [Accepted: 05/04/2024] [Indexed: 06/04/2024] Open
Abstract
BACKGROUND We previously reported that metastases are generally characterized by a core program of gene expression that activates tissue remodeling/vascularization, alters ion homeostasis, induces the oxidative metabolism, and silences extracellular matrix interactions. This core program distinguishes metastases from their originating primary tumors as well as from their destination host tissues. Therefore, the gene products involved are potential targets for anti-metastasis drug treatment. METHODS Because the silencing of extracellular matrix interactions predisposes to anoiks in the absence of active survival mechanisms, we tested inhibitors against the other three components. RESULTS Individually, the low-specificity VEGFR blocker pazopanib (in vivo combined with marimastat), the antioxidant dimethyl sulfoxide (or the substitute atovaquone, which is approved for internal administration), and the ionic modulators bumetanide and tetrathiomolybdate inhibited soft agar colony formation by breast and pancreatic cancer cell lines. The individual candidate agents have a record of use in humans (with limited efficacy when administered individually) and are available for repurposing. In combination, the effects of these drugs were additive or synergistic. In two mouse models of cancer (utilizing 4T1 cells or B16-F10 cells), the combination treatment with these medications, applied immediately (to prevent metastasis formation) or after a delay (to suppress established metastases), dramatically reduced the occurrence of disseminated foci. CONCLUSIONS The combination of tissue remodeling inhibitors, suppressors of the oxidative metabolism, and ion homeostasis modulators has very strong promise for the treatment of metastases by multiple cancers.
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Affiliation(s)
- Gulimirerouzi Fnu
- James L. Winkle College of PharmacyUniversity of Cincinnati Academic Health CenterCincinnatiOhioUSA
| | - Georg F. Weber
- James L. Winkle College of PharmacyUniversity of Cincinnati Academic Health CenterCincinnatiOhioUSA
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2
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Fanelli G, Alloisio G, Lelli V, Marini S, Rinalducci S, Gioia M. Mechano-induced cell metabolism disrupts the oxidative stress homeostasis of SAOS-2 osteosarcoma cells. Front Mol Biosci 2024; 10:1297826. [PMID: 38726050 PMCID: PMC11079223 DOI: 10.3389/fmolb.2023.1297826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/18/2023] [Indexed: 05/12/2024] Open
Abstract
There has been an increasing focus on cancer mechanobiology, determining the underlying-induced changes to unlock new avenues in the modulation of cell malignancy. Our study used LC-MS untargeted metabolomic approaches and real-time polymerase chain reaction (PCR) to characterize the molecular changes induced by a specific moderate uniaxial stretch regimen (i.e., 24 h-1 Hz, cyclic stretch 0,5% elongation) on SAOS-2 osteosarcoma cells. Differential metabolic pathway analysis revealed that the mechanical stimulation induces a downregulation of both glycolysis and the tricarboxylic acid (TCA) cycle. At the same time, the amino acid metabolism was found to be dysregulated, with the mechanical stimulation enhancing glutaminolysis and reducing the methionine cycle. Our findings showed that cell metabolism and oxidative defense are tightly intertwined in mechanically stimulated cells. On the one hand, the mechano-induced disruption of the energy cell metabolism was found correlated with an antioxidant glutathione (GSH) depletion and an accumulation of reactive oxygen species (ROS). On the other hand, we showed that a moderate stretch regimen could disrupt the cytoprotective gene transcription by altering the expression levels of manganese superoxide dismutase (SOD1), Sirtuin 1 (SIRT1), and NF-E2-related factor 2 (Nrf2) genes. Interestingly, the cyclic applied strain could induce a cytotoxic sensitization (to the doxorubicin-induced cell death), suggesting that mechanical signals are integral regulators of cell cytoprotection. Hence, focusing on the mechanosensitive system as a therapeutic approach could potentially result in more effective treatments for osteosarcoma in the future.
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Affiliation(s)
- Giuseppina Fanelli
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Giulia Alloisio
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Veronica Lelli
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Stefano Marini
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Sara Rinalducci
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Magda Gioia
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, Rome, Italy
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3
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Wu T, Ding K, Wang C, Lin G, Xie C, Chen X, Li Q, Yu F, Mao Y, Hong W, Lu L, Li S. G-protein-coupled estrogen receptor 1 promotes peritoneal metastasis of gastric cancer through nicotinamide adenine dinucleotide kinase 1-mediated redox modulation. FASEB J 2024; 38:e23449. [PMID: 38315451 DOI: 10.1096/fj.202301172rrrr] [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: 06/12/2023] [Revised: 12/20/2023] [Accepted: 01/10/2024] [Indexed: 02/07/2024]
Abstract
Adipose tissue is the second most important site of estrogen production, where androgens are converted into estrogen by aromatase. While gastric cancer patients often develop adipocyte-rich peritoneal metastasis, the underlying mechanism remains unclear. In this study, we identified the G-protein-coupled estrogen receptor (GPER1) as a promoter of gastric cancer peritoneal metastasis. Functional in vitro studies revealed that β-Estradiol (E2) or the GPER1 agonist G1 inhibited anoikis in gastric cancer cells. Additionally, genetic overexpression or knockout of GPER1 significantly inhibited or enhanced gastric cancer cell anoikis in vitro and peritoneal metastasis in vivo, respectively. Mechanically, GPER1 knockout disrupted the NADPH pool and increased reactive oxygen species (ROS) generation. Conversely, overexpression of GPER1 had the opposite effects. GPER1 suppressed nicotinamide adenine dinucleotide kinase 1(NADK1) ubiquitination and promoted its phosphorylation, which were responsible for the elevated expression of NADK1 at protein levels and activity, respectively. Moreover, genetic inhibition of NADK1 disrupted NADPH and redox homeostasis, leading to high levels of ROS and significant anoikis, which inhibited lung and peritoneal metastasis in cell-based xenograft models. In summary, our study suggests that inhibiting GPER1-mediated NADK1 activity and its ubiquitination may be a promising therapeutic strategy for peritoneal metastasis of gastric cancer.
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Affiliation(s)
- Teng Wu
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
- Guangdong Engineering & Technology Research Center for Disease-Model Animals, Laboratory Animal Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, P.R. China
| | - Ke Ding
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Chun Wang
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Guoliang Lin
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Chengjie Xie
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Xianying Chen
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Quanxin Li
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Fenghai Yu
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Yuling Mao
- Center for Reproductive Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, P.R. China
| | - Wei Hong
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Lei Lu
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, P.R. China
| | - Shuai Li
- GMU-GIBH Joint School of Life Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, P.R. China
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4
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Zhan Q, Liu B, Situ X, Luo Y, Fu T, Wang Y, Xie Z, Ren L, Zhu Y, He W, Ke Z. New insights into the correlations between circulating tumor cells and target organ metastasis. Signal Transduct Target Ther 2023; 8:465. [PMID: 38129401 PMCID: PMC10739776 DOI: 10.1038/s41392-023-01725-9] [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: 08/25/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023] Open
Abstract
Organ-specific metastasis is the primary cause of cancer patient death. The distant metastasis of tumor cells to specific organs depends on both the intrinsic characteristics of the tumor cells and extrinsic factors in their microenvironment. During an intermediate stage of metastasis, circulating tumor cells (CTCs) are released into the bloodstream from primary and metastatic tumors. CTCs harboring aggressive or metastatic features can extravasate to remote sites for continuous colonizing growth, leading to further lesions. In the past decade, numerous studies demonstrated that CTCs exhibited huge clinical value including predicting distant metastasis, assessing prognosis and monitoring treatment response et al. Furthermore, increasingly numerous experiments are dedicated to identifying the key molecules on or inside CTCs and exploring how they mediate CTC-related organ-specific metastasis. Based on the above molecules, more and more inhibitors are being developed to target CTCs and being utilized to completely clean CTCs, which should provide promising prospects to administer advanced tumor. Recently, the application of various nanomaterials and microfluidic technologies in CTCs enrichment technology has assisted to improve our deep insights into the phenotypic characteristics and biological functions of CTCs as a potential therapy target, which may pave the way for us to make practical clinical strategies. In the present review, we mainly focus on the role of CTCs being involved in targeted organ metastasis, especially the latest molecular mechanism research and clinical intervention strategies related to CTCs.
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Affiliation(s)
- Qinru Zhan
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Bixia Liu
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Xiaohua Situ
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Yuting Luo
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Tongze Fu
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Yanxia Wang
- Zhongshan School of Medicine, Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Zhongpeng Xie
- Zhongshan School of Medicine, Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Lijuan Ren
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China
| | - Ying Zhu
- Department of Radiology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China.
| | - Weiling He
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, 10065, USA.
- School of Medicine, Xiang'an Hospital of Xiamen University, Xiamen University, 361000, Xiamen, Fujian, P.R. China.
| | - Zunfu Ke
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China.
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, Guangdong, P.R. China.
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5
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Fnu G, Weber GF. Osteopontin induces mitochondrial biogenesis in deadherent cancer cells. Oncotarget 2023; 14:957-969. [PMID: 38039408 PMCID: PMC10691814 DOI: 10.18632/oncotarget.28540] [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: 08/10/2023] [Accepted: 11/16/2023] [Indexed: 12/03/2023] Open
Abstract
Metastasizing cells display a unique metabolism, which is very different from the Warburg effect that arises in primary tumors. Over short time frames, oxidative phosphorylation and ATP generation are prominent. Over longer time frames, mitochondrial biogenesis becomes a pronounced feature and aids metastatic success. It has not been known whether or how these two phenomena are connected. We hypothesized that Osteopontin splice variants, which synergize to increase ATP levels in deadherent cells, also increase the mitochondrial mass via the same signaling mechanisms. Here, we report that autocrine Osteopontin does indeed stimulate an increase in mitochondrial size, with the splice variant -c being more effective than the full-length form -a. Osteopontin-c achieves this via its receptor CD44v, jointly with the upregulation and co-ligation of the chloride-dependent cystine-glutamate transporter SLC7A11. The signaling proceeds through activation of the known mitochondrial biogenesis inducer PGC-1 (which acts as a transcription coactivator). Peroxide is an important intermediate in this cascade, but surprisingly acts upstream of PGC-1 and is likely produced as a consequence of SLC7A11 recruitment and activation. In vivo, suppression of the biogenesis-inducing mechanisms leads to a reduction in disseminated tumor mass. This study confirms a functional connection between the short-term oxidative metabolism and the longer-term mitochondrial biogenesis in cancer metastasis - both are induced by Osteopontin-c. The results imply possible mechanisms and targets for treating cancer metastasis.
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Affiliation(s)
- Gulimirerouzi Fnu
- University of Cincinnati Academic Health Center, James L. Winkle College of Pharmacy, Cincinnati, OH 45229, USA
| | - Georg F. Weber
- University of Cincinnati Academic Health Center, James L. Winkle College of Pharmacy, Cincinnati, OH 45229, USA
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6
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Yan Z, Hu X, Tang B, Deng F. Role of osteopontin in cancer development and treatment. Heliyon 2023; 9:e21055. [PMID: 37867833 PMCID: PMC10587537 DOI: 10.1016/j.heliyon.2023.e21055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/06/2023] [Accepted: 10/13/2023] [Indexed: 10/24/2023] Open
Abstract
Osteopontin (OPN) is a multifunctional protein secreted intracellularly and extracellularly by various cell types, including NK cells, macrophages, osteoblasts, T cells, and cancer cells. Owing to its diverse distribution, OPN plays a role in cell proliferation, stem-cell-like properties, epithelial-mesenchymal transformation, glycolysis, angiogenesis, fibrosis, invasion, and metastasis. In this review, we discuss recent findings, interpret representative studies on OPN expression in cancer, clarify that elevated OPN levels are observed in multiple cancer types (including colorectal, breast, lung, and liver cancer), and explore how OPN-macrophage interactions shape the tumor microenvironment. We also summarize progress in OPN research with regard to tumor therapy, which can facilitate the development of novel anti-tumor treatment strategies.
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Affiliation(s)
- Zhihua Yan
- School of Clinical Medicine, Chengdu Medical College, Chengdu, 610500, China
| | - Xue Hu
- School of Basic Medical Science, Chengdu Medical College, Chengdu, 610500, China
| | - Bin Tang
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, China
| | - Fengmei Deng
- School of Basic Medical Science, Chengdu Medical College, Chengdu, 610500, China
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7
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Yada RC, Desa DE, Gillette AA, Bartels E, Harari PM, Skala MC, Beebe DJ, Kerr SC. Microphysiological head and neck cancer model identifies novel role of lymphatically secreted monocyte migration inhibitory factor in cancer cell migration and metabolism. Biomaterials 2023; 298:122136. [PMID: 37178589 PMCID: PMC10205684 DOI: 10.1016/j.biomaterials.2023.122136] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 04/11/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023]
Abstract
Regional metastasis of head and neck cancer (HNC) is prevalent (approximately 50% of patients at diagnosis), yet the underlying drivers and mechanisms of lymphatic spread remain unclear. The complex tumor microenvironment (TME) of HNC plays a crucial role in disease maintenance and progression; however, the contribution of the lymphatics remains underexplored. We created a primary patient cell derived microphysiological system that incorporates cancer-associated-fibroblasts from patients with HNC alongside a HNC tumor spheroid and a lymphatic microvessel to create an in vitro TME platform to investigate metastasis. Screening of soluble factor signaling identified novel secretion of macrophage migration inhibitory factor (MIF) by lymphatic endothelial cells conditioned in the TME. Importantly, we also observed patient-to-patient heterogeneity in cancer cell migration similar to the heterogeneity observed in clinical disease. Optical metabolic imaging at the single cell level identified a distinct metabolic profile of migratory versus non-migratory HNC cells in a microenvironment dependent manner. Additionally, we report a unique role of MIF in increasing HNC reliance on glycolysis over oxidative phosphorylation. This multicellular, microfluidic platform expands the tools available to explore HNC biology in vitro through multiple orthogonal outputs and establishes a system with enough resolution to visualize and quantify patient-to-patient heterogeneity.
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Affiliation(s)
- Ravi Chandra Yada
- Department of Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, WI, USA; Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA
| | - Danielle E Desa
- Morgridge Institute for Research, University of Wisconsin-Madison, Madison, WI, USA
| | - Amani A Gillette
- Morgridge Institute for Research, University of Wisconsin-Madison, Madison, WI, USA
| | - Emmett Bartels
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Paul M Harari
- Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA
| | - Melissa C Skala
- Morgridge Institute for Research, University of Wisconsin-Madison, Madison, WI, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - David J Beebe
- Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA.
| | - Sheena C Kerr
- Department of Pathology and Laboratory Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA.
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8
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Boese AC, Kang J, Hwang JS, Kim J, Eun K, Malin CM, Magliocca KR, Pan C, Jin L, Kang S. Succinyl-CoA ligase ADP-forming subunit beta promotes stress granule assembly to regulate redox and drive cancer metastasis. Proc Natl Acad Sci U S A 2023; 120:e2217332120. [PMID: 37253003 PMCID: PMC10266061 DOI: 10.1073/pnas.2217332120] [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: 10/10/2022] [Accepted: 05/01/2023] [Indexed: 06/01/2023] Open
Abstract
Although recent studies demonstrate active mitochondrial metabolism in cancers, the precise mechanisms through which mitochondrial factors contribute to cancer metastasis remain elusive. Through a customized mitochondrion RNAi screen, we identified succinyl-CoA ligase ADP-forming subunit beta (SUCLA2) as a critical anoikis resistance and metastasis driver in human cancers. Mechanistically, SUCLA2, but not the alpha subunit of its enzyme complex, relocates from mitochondria to the cytosol upon cell detachment where SUCLA2 then binds to and promotes the formation of stress granules. SUCLA2-mediated stress granules facilitate the protein translation of antioxidant enzymes including catalase, which mitigates oxidative stress and renders cancer cells resistant to anoikis. We provide clinical evidence that SUCLA2 expression correlates with catalase levels as well as metastatic potential in lung and breast cancer patients. These findings not only implicate SUCLA2 as an anticancer target, but also provide insight into a unique, noncanonical function of SUCLA2 that cancer cells co-opt to metastasize.
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Affiliation(s)
- Austin C. Boese
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - JiHoon Kang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - Jung Seok Hwang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - Jaehyun Kim
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - Kiyoung Eun
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - Courteney M. Malin
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - Kelly R. Magliocca
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA30322
| | - Chaoyun Pan
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
| | - Lingtao Jin
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, TX78229
| | - Sumin Kang
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory, Emory University School of Medicine, Atlanta, GA30322
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9
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Liu Z, Wang N, Meng Z, Lu S, Peng G. Pseudolaric acid B triggers cell apoptosis by activating AMPK/JNK/DRP1/mitochondrial fission pathway in hepatocellular carcinoma. Toxicology 2023:153556. [PMID: 37244295 DOI: 10.1016/j.tox.2023.153556] [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: 03/27/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 05/29/2023]
Abstract
Pseudolaric acid B (PAB), a natural product isolated from the root bark of Pseudolarix kaempferi, has been reported to exert inhibitory effects in various cancers. However, the underlying mechanisms remain largely unclear. In the present study, we investigated the mechanism through which PAB exert its anticancer effects in hepatocellular carcinoma (HCC). PAB inhibited the viability of and induced apoptosis in Hepa1-6 cells in a dose-dependent manner. It disrupted mitochondrial membrane potential (MMP) and impaired ATP production. Furthermore, PAB induced phosphorylation of DRP1 at Ser616 and mitochondrial fission. Blocking DRP1 phosphorylation by Mdivi-1 inhibited mitochondrial fission and PAB-induced apoptosis. Moreover, c-Jun N-terminal kinase (JNK) was activated by PAB, and blocking JNK activity using SP600125 inhibited PAB-induced mitochondrial fission and cell apoptosis. Furthermore, PAB activated AMP-activated protein kinase (AMPK), and inhibiting AMPK by compound C attenuated PAB-stimulated JNK activation and blocked DRP1-dependent mitochondrial fission and apoptosis. Our in vivo data confirmed that PAB inhibited tumor growth and induced apoptosis in an HCC syngeneic mouse model by inducing the AMPK/JNK/DRP1/mitochondrial fission signaling pathway. Furthermore, a combination of PAB and sorafenib showed a synergistic effect in inhibiting tumor growth in vivo. Taken together, our findings highlight a potential therapeutic strategy for HCC.
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Affiliation(s)
- Zhanxu Liu
- State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China; Laboratory for Tumor Immunology, The First Hospital, Jilin University, Changchun, Jilin, China 130061
| | - Nanya Wang
- The Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China 130061
| | - Zhaoli Meng
- Laboratory for Tumor Immunology, The First Hospital, Jilin University, Changchun, Jilin, China 130061
| | - Shiying Lu
- State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China.
| | - Gong Peng
- Laboratory for Tumor Immunology, The First Hospital, Jilin University, Changchun, Jilin, China 130061.
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10
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Cheung AHK, Hui CHL, Wong KY, Liu X, Chen B, Kang W, To KF. Out of the cycle: Impact of cell cycle aberrations on cancer metabolism and metastasis. Int J Cancer 2023; 152:1510-1525. [PMID: 36093588 DOI: 10.1002/ijc.34288] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/17/2022] [Accepted: 09/02/2022] [Indexed: 11/11/2022]
Abstract
The use of cell cycle inhibitors has necessitated a better understanding of the cell cycle in tumor biology to optimize the therapeutic approach. Cell cycle aberrations are common in cancers, and it is increasingly acknowledged that these aberrations exert oncogenic effects beyond the cell cycle. Multiple facets such as cancer metabolism, immunity and metastasis are also affected, all of which are beyond the effect of cell proliferation alone. This review comprehensively summarized the important recent findings and advances in these interrelated processes. In cancer metabolism, cell cycle regulators can modulate various pathways in aerobic glycolysis, glucose uptake and gluconeogenesis, mainly through transcriptional regulation and kinase activities. Amino acid metabolism is also regulated through cell cycle progression. On cancer metastasis, metabolic plasticity, immune evasion, tumor microenvironment adaptation and metastatic site colonization are intricately related to the cell cycle, with distinct regulatory mechanisms at each step of invasion and dissemination. Throughout the synthesis of current understanding, knowledge gaps and limitations in the literature are also highlighted, as are new therapeutic approaches such as combinational therapy and challenges in tackling emerging targeted therapy resistance. A greater understanding of how the cell cycle modulates diverse aspects of cancer biology can hopefully shed light on identifying new molecular targets by harnessing the vast potential of the cell cycle.
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Affiliation(s)
- Alvin Ho-Kwan Cheung
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
| | - Chris Ho-Lam Hui
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
| | - Kit Yee Wong
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiaoli Liu
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
| | - Bonan Chen
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
| | - Wei Kang
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
| | - Ka Fai To
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.,Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, The Chinese University of Hong Kong, Hong Kong, China.,State Key Laboratory of Translational Oncology, Sir Y.K. Pao Cancer Center, The Chinese University of Hong Kong, Hong Kong, China
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11
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Huang R, Wang X, Yin X, Zhou Y, Sun J, Yin Z, Zhu Z. Combining bulk RNA-sequencing and single-cell RNA-sequencing data to reveal the immune microenvironment and metabolic pattern of osteosarcoma. Front Genet 2022; 13:976990. [PMID: 36338972 PMCID: PMC9626532 DOI: 10.3389/fgene.2022.976990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/15/2022] [Indexed: 11/20/2022] Open
Abstract
Background: Osteosarcoma (OS) is a kind of solid tumor with high heterogeneity at tumor microenvironment (TME), genome and transcriptome level. In view of the regulatory effect of metabolism on TME, this study was based on four metabolic models to explore the intertumoral heterogeneity of OS at the RNA sequencing (RNA-seq) level and the intratumoral heterogeneity of OS at the bulk RNA-seq and single cell RNA-seq (scRNA-seq) level. Methods: The GSVA package was used for single-sample gene set enrichment analysis (ssGSEA) analysis to obtain a glycolysis, pentose phosphate pathway (PPP), fatty acid oxidation (FAO) and glutaminolysis gene sets score. ConsensusClusterPlus was employed to cluster OS samples downloaded from the Target database. The scRNA-seq and bulk RNA-seq data of immune cells from GSE162454 dataset were analyzed to identify the subsets and types of immune cells in OS. Malignant cells and non-malignant cells were distinguished by large-scale chromosomal copy number variation. The correlations of metabolic molecular subtypes and immune cell types with four metabolic patterns, hypoxia and angiogenesis were determined by Pearson correlation analysis. Results: Two metabolism-related molecular subtypes of OS, cluster 1 and cluster 2, were identified. Cluster 2 was associated with poor prognosis of OS, active glycolysis, FAO, glutaminolysis, and bad TME. The identified 28608 immune cells were divided into 15 separate clusters covering 6 types of immune cells. The enrichment scores of 5 kinds of immune cells in cluster-1 and cluster-2 were significantly different. And five kinds of immune cells were significantly correlated with four metabolic modes, hypoxia and angiogenesis. Of the 28,608 immune cells, 7617 were malignant cells. The four metabolic patterns of malignant cells were significantly positively correlated with hypoxia and negatively correlated with angiogenesis. Conclusion: We used RNA-seq to reveal two molecular subtypes of OS with prognosis, metabolic pattern and TME, and determined the composition and metabolic heterogeneity of immune cells in OS tumor by bulk RNA-seq and single-cell RNA-seq.
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Affiliation(s)
- Ruichao Huang
- Department of Orthopedics, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
| | - Xiaohu Wang
- Department of Orthopedics, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
| | - Xiangyun Yin
- Department of Orthopedics, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
- Advanced Medical Research Center of Zhengzhou University, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
| | - Yaqi Zhou
- Department of Orthopedics, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
| | - Jiansheng Sun
- Department of Orthopedics, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
| | - Zhongxiu Yin
- Nanchang University Queen Mary School, Nanchang, China
| | - Zhi Zhu
- Department of Orthopedics, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
- *Correspondence: Zhi Zhu,
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12
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Xiao X, Chen M, Zhang Y, Li L, Peng Y, Li J, Zhou W. Hemin-incorporating DNA nanozyme enabling catalytic oxygenation and GSH depletion for enhanced photodynamic therapy and synergistic tumor ferroptosis. J Nanobiotechnology 2022; 20:410. [PMID: 36109814 PMCID: PMC9479271 DOI: 10.1186/s12951-022-01617-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/31/2022] [Indexed: 11/18/2022] Open
Abstract
Photodynamic therapy (PDT) has emerged as a promising tumor treatment method via light-triggered generation of reactive oxygen species (ROS) to kill tumor cells. However, the efficacy of PDT is usually restricted by several biological limitations, including hypoxia, excess glutathione (GSH) neutralization, as well as tumor resistance. To tackle these issues, herein we developed a new kind of DNA nanozyme to realize enhanced PDT and synergistic tumor ferroptosis. The DNA nanozyme was constructed via rolling circle amplification, which contained repeat AS1411 G quadruplex (G4) units to form multiple G4/hemin DNAzymes with catalase-mimic activity. Both hemin, an iron-containing porphyrin cofactor, and chlorine e6 (Ce6), a photosensitizer, were facilely inserted into G4 structure with high efficiency, achieving in-situ catalytic oxygenation and photodynamic ROS production. Compared to other self-oxygen-supplying tools, such DNA nanozyme is advantageous for high biological stability and compatibility. Moreover, the nanostructure could achieve tumor cells targeting internalization and intranuclear transport of Ce6 by virtue of specific nucleolin binding of AS1411. The nanozyme could catalyze the decomposition of intracellular H2O2 into oxygen for hypoxia relief as evidenced by the suppression of hypoxia-inducible factor-1α (HIF-1α), and moreover, GSH depletion and cell ferroptosis were also achieved for synergistic tumor therapy. Upon intravenous injection, the nanostructure could effectively accumulate into tumor, and impose multi-modal tumor therapy with excellent biocompatibility. Therefore, by integrating the capabilities of O2 generation and GSH depletion, such DNA nanozyme is a promising nanoplatform for tumor PDT/ferroptosis combination therapy.
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Affiliation(s)
- Xiaoxiong Xiao
- Department of Thoracic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Xiangya Lung Cancer Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Changsha, China
| | - Min Chen
- Department of Thoracic Surgery, The Second People's Hospital of Huaihua City, Huaihua, China
| | - Yuchen Zhang
- Department of Pharmacy, Yichun People's Hospital, Yichun, Jiangxi, China
| | - Liang Li
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - Ying Peng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - Junyu Li
- Department of Radiation Oncology, Jiangxi Cancer Hospital, Nanchang, Jiangxi, China.
| | - Wenhu Zhou
- Xiangya Lung Cancer Center, Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China.
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13
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Suriya Muthukumaran N, Velusamy P, Akino Mercy CS, Langford D, Natarajaseenivasan K, Shanmughapriya S. MicroRNAs as Regulators of Cancer Cell Energy Metabolism. J Pers Med 2022; 12:1329. [PMID: 36013278 PMCID: PMC9410355 DOI: 10.3390/jpm12081329] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/11/2022] [Accepted: 08/16/2022] [Indexed: 11/17/2022] Open
Abstract
To adapt to the tumor environment or to escape chemotherapy, cancer cells rapidly reprogram their metabolism. The hallmark biochemical phenotype of cancer cells is the shift in metabolic reprogramming towards aerobic glycolysis. It was thought that this metabolic shift to glycolysis alone was sufficient for cancer cells to meet their heightened energy and metabolic demands for proliferation and survival. Recent studies, however, show that cancer cells rely on glutamine, lipid, and mitochondrial metabolism for energy. Oncogenes and scavenging pathways control many of these metabolic changes, and several metabolic and tumorigenic pathways are post-transcriptionally regulated by microRNA (miRNAs). Genes that are directly or indirectly responsible for energy production in cells are either negatively or positively regulated by miRNAs. Therefore, some miRNAs play an oncogenic role by regulating the metabolic shift that occurs in cancer cells. Additionally, miRNAs can regulate mitochondrial calcium stores and energy metabolism, thus promoting cancer cell survival, cell growth, and metastasis. In the electron transport chain (ETC), miRNAs enhance the activity of apoptosis-inducing factor (AIF) and cytochrome c, and these apoptosome proteins are directed towards the ETC rather than to the apoptotic pathway. This review will highlight how miRNAs regulate the enzymes, signaling pathways, and transcription factors of cancer cell metabolism and mitochondrial calcium import/export pathways. The review will also focus on the metabolic reprogramming of cancer cells to promote survival, proliferation, growth, and metastasis with an emphasis on the therapeutic potential of miRNAs for cancer treatment.
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Affiliation(s)
| | - Prema Velusamy
- Heart and Vascular Institute, Department of Medicine, Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, Dauphin, PA 17033, USA
| | - Charles Solomon Akino Mercy
- Medical Microbiology Laboratory, Department of Microbiology, Centre for Excellence in Life Sciences, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India
| | - Dianne Langford
- Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Kalimuthusamy Natarajaseenivasan
- Medical Microbiology Laboratory, Department of Microbiology, Centre for Excellence in Life Sciences, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India
- Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Santhanam Shanmughapriya
- Heart and Vascular Institute, Department of Medicine, Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, Dauphin, PA 17033, USA
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14
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AMPKα2/HNF4A/BORIS/GLUT4 pathway promotes hepatocellular carcinoma cell invasion and metastasis in low glucose microenviroment. Biochem Pharmacol 2022; 203:115198. [DOI: 10.1016/j.bcp.2022.115198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022]
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15
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Zhou Y, Li X, Guan A, Zhou H, Zhu Y, Wang R, Li R. EPHX2 Inhibits Colon Cancer Progression by Promoting Fatty Acid Degradation. Front Oncol 2022; 12:870721. [PMID: 35433439 PMCID: PMC9005964 DOI: 10.3389/fonc.2022.870721] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 03/07/2022] [Indexed: 11/16/2022] Open
Abstract
Tumor cells use metabolic reprogramming to keep up with the need for bioenergy, biosynthesis, and oxidation balance needed for rapid tumor division. This phenomenon is considered a marker of tumors, including colon cancer (CRC). As an important pathway of cellular energy metabolism, fatty acid metabolism plays an important role in cellular energy supply and oxidation balance, but presently, our understanding of the exact role of fatty acid metabolism in CRC is limited. Currently, no lipid metabolism therapy is available for the treatment of CRC. The establishment of a lipidmetabolism model regulated by oncogenes/tumor suppressor genes and associated with the clinical characteristics of CRC is necessary to further understand the mechanism of fatty acid metabolism in CRC. In this study, through multi-data combined with bioinformatic analysis and basic experiments, we introduced a tumor suppressor gene, EPHX2, which is rarely reported in CRC, and confirmed that its inhibitory effect on CRC is related to fatty acid degradation.
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Affiliation(s)
- Yiran Zhou
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
| | - Xiao Li
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
| | - Aoran Guan
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
| | - Haodong Zhou
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
| | - Yankun Zhu
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
| | - Ruotian Wang
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
| | - Ruhong Li
- Department of General Surgery, Yan'an Hospital Affiliated to Kunming Medical University, Yan'an Hospital of Kunming City, Kunming, China.,Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, China
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16
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Fnu G, Weber GF. Alterations of Ion Homeostasis in Cancer Metastasis: Implications for Treatment. Front Oncol 2022; 11:765329. [PMID: 34988012 PMCID: PMC8721045 DOI: 10.3389/fonc.2021.765329] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 11/23/2021] [Indexed: 12/20/2022] Open
Abstract
We have previously reported that metastases from all malignancies are characterized by a core program of gene expression that suppresses extracellular matrix interactions, induces vascularization/tissue remodeling, activates the oxidative metabolism, and alters ion homeostasis. Among these features, the least elucidated component is ion homeostasis. Here we review the literature with the goal to infer a better mechanistic understanding of the progression-associated ionic alterations and identify the most promising drugs for treatment. Cancer metastasis is accompanied by skewing in calcium, zinc, copper, potassium, sodium and chloride homeostasis. Membrane potential changes and water uptake through Aquaporins may also play roles. Drug candidates to reverse these alterations are at various stages of testing, with some having entered clinical trials. Challenges to their utilization comprise differences among tumor types and the involvement of multiple ions in each case. Further, adverse effects may become a concern, as channel blockers, chelators, or supplemented ions will affect healthy and transformed cells alike.
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Affiliation(s)
- Gulimirerouzi Fnu
- College of Pharmacy, University of Cincinnati Academic Health Center, Cincinnati, OH, United States
| | - Georg F Weber
- College of Pharmacy, University of Cincinnati Academic Health Center, Cincinnati, OH, United States
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17
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Chen WW, Liu W, Li Y, Wang J, Ren Y, Wang G, Chen C, Li H. Deciphering the Immune-Tumor Interplay During Early-Stage Lung Cancer Development via Single-Cell Technology. Front Oncol 2022; 11:716042. [PMID: 35047383 PMCID: PMC8761635 DOI: 10.3389/fonc.2021.716042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 11/08/2021] [Indexed: 12/19/2022] Open
Abstract
Lung cancer is the leading cause of cancer-related death worldwide. Cancer immunotherapy has shown great success in treating advanced-stage lung cancer but has yet been used to treat early-stage lung cancer, mostly due to lack of understanding of the tumor immune microenvironment in early-stage lung cancer. The immune system could both constrain and promote tumorigenesis in a process termed immune editing that can be divided into three phases, namely, elimination, equilibrium, and escape. Current understanding of the immune response toward tumor is mainly on the "escape" phase when the tumor is clinically detectable. The detailed mechanism by which tumor progenitor lesions was modulated by the immune system during early stage of lung cancer development remains elusive. The advent of single-cell sequencing technology enables tumor immunologists to address those fundamental questions. In this perspective, we will summarize our current understanding and big gaps about the immune response during early lung tumorigenesis. We will then present the state of the art of single-cell technology and then envision how single-cell technology could be used to address those questions. Advances in the understanding of the immune response and its dynamics during malignant transformation of pre-malignant lesion will shed light on how malignant cells interact with the immune system and evolve under immune selection. Such knowledge could then contribute to the development of precision and early intervention strategies toward lung malignancy.
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Affiliation(s)
- Wei-Wei Chen
- Department of Clinical Oncology, University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Wei Liu
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yingze Li
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jun Wang
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yijiu Ren
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Guangsuo Wang
- Department of Thoracic Surgery, Shenzhen People’s Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Chang Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hanjie Li
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
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18
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Steroid receptor RNA activator gene footprint in the progression and drug resistance of colorectal cancer through oxidative phosphorylation pathway. Life Sci 2021; 285:119950. [PMID: 34520769 DOI: 10.1016/j.lfs.2021.119950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 08/30/2021] [Accepted: 09/07/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND The steroid receptor RNA activator 1 (SRA1) gene is involved in the progression of various cancers via different molecular mechanisms mediated by long non-coding RNA SRA (lncRNA SRA). This study aimed to evaluate the lncRNA SRA effect on the tumor progression of colorectal cancer (CRC). METHODS SRA1 expression was assessed in the cancer genome atlas datasets, CRC cell lines, and tumor specimens. Meta-analysis and gene co-expression network analysis were performed to identify pathways related to SRA1. RNA interference and cell treatment were utilized to examine the role of SRA1 expression in HT-29 and Caco-2 cell lines. Also, the effect of SRA1 expression was investigated on drug resistance, clinical parameters, and mutations in CRC samples. RESULTS The SRA1 transcripts, especially lncRNA SRA, were dysregulated in CRC tissue samples compared with normal tissue samples. Furthermore, SRA1 depletion decreased colony formation and proliferation while induced apoptosis in HT-29 and Caco-2 cells. In silico analyses indicated that SRA1 level was correlated with expression levels of oxidative phosphorylation (OXPHOS) genes. LncRNA SRA expression increased in response to the increased oxidative capacity, and when lncRNA SRA was knocked down, the expression level of OXPHOS pathway genes, including NDUFB5 and ATP5F1B, was changed. Also, KRAS-mutant samples had the highest SRA1 expression level. CONCLUSIONS LncRNA SRA could function as an oncogene through the OXPHOS pathway in CRC, and serve as a potential biomarker for identifying CRC subtype with KRAS mutations. The findings suggest that lncRNA SRA might be a therapeutic target to inhibit cell proliferation in CRC.
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19
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Song G, Fang J, Shang C, Li Y, Zhu Y, Xiu Z, Sun L, Jin N, Li X. Ad-apoptin inhibits glycolysis, migration and invasion in lung cancer cells targeting AMPK/mTOR signaling pathway. Exp Cell Res 2021; 409:112926. [PMID: 34793774 DOI: 10.1016/j.yexcr.2021.112926] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/12/2021] [Accepted: 11/13/2021] [Indexed: 12/13/2022]
Abstract
Ad-apoptin is a recombinant oncolytic adenovirus constructed by our laboratory that can express apoptin. It can selectively kill tumor cells without damaging normal cells. This study investigated the effects of Ad-apoptin on glycolysis, migration and invasion of non-small cell lung cancer. Cell viability and apoptosis were detected by CCK-8 and flow cytometry, respectively. Glycolysis was investigated by glucose consumption, lactic acid production and glycolytic key enzyme protein levels. Migration and invasion were evaluated via wound healing, transwell assays and epithelial-mesenchymal transition (EMT) protein levels. The interaction between apoptin and AMPK was detected by Co-IP. A nude mice tumor model was established to investigate the anti-cancer role of Ad-apoptin in vivo. The results showed that Ad-apoptin inhibits cell viability and induces apoptosis of A549 and NCI-H23 cells. Ad-apoptin can reduce the glucose uptake and lactic production in lung cancer cells, and reduce the expression of related glycolysis-limiting enzymes. At the same time, Ad-apoptin inhibited the migration and invasion of lung cancer. Immunoprecipitation showed that apoptin and AMPK could interact directly. Moreover, knockdown of AMPK significantly attenuated the inhibitory effect of Ad-apoptin on glycolysis, migration and invasion of A549 and NCI-H23 cells. Ad-apoptin can inhibit the growth of tumors in nude mice. Compared with the control group, Ad-apoptin had a significant inhibitory effect on AMPK knockdown tumors. The immunohistochemical results of tumor tissues were consistent with those in vitro. Collectively, Ad-apoptin targets AMPK and inhibits glycolysis, migration and invasion of lung cancer cells through the AMPK/mTOR signaling pathway. This suggests that Ad-apoptin may have therapeutic potential for lung cancer by targeting AMPK activation.
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Affiliation(s)
- Gaojie Song
- Medical College, Yanbian University, Yanji, China; Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China; Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Jinbo Fang
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Chao Shang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yiquan Li
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Yilong Zhu
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Zhiru Xiu
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Lili Sun
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China; Department of Head and Neck Surgery, Tumor Hospital of Jilin Province, Changchun, China.
| | - Ningyi Jin
- Medical College, Yanbian University, Yanji, China; Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China; Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China.
| | - Xiao Li
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China; Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China.
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20
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Wang X, Chang X, He C, Fan Z, Yu Z, Yu B, Wu X, Hou J, Li J, Su L, Liu B, Zhu Z. ATP5B promotes the metastasis and growth of gastric cancer by activating the FAK/AKT/MMP2 pathway. FASEB J 2021; 35:e20649. [PMID: 33715234 DOI: 10.1096/fj.202000608r] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/27/2020] [Accepted: 05/07/2020] [Indexed: 11/11/2022]
Abstract
Adenosine triphosphate (ATP) in the tumor microenvironment serves a vital role during tumor progression. ATP synthase F1 β subunit (ATP5B) is one of the most important subunits of ATP synthase and increases cellular ATP levels. ATP5B reportedly participates in carcinogenesis in several tumors. However, the regulatory mechanisms of ATP5B remain poorly understood in gastric cancer (GC). Here, we determined that high ATP5B expression in tumor tissues of GC is positively correlated with age, the tumor size, the TNM stage, lymph node metastasis, and patients' poor prognosis. The overexpression of ATP5B in GC cells elevated the cellular ATP content and promoted migration, invasion and proliferation. The levels of MMP2 expression, phosphorylated FAK, and phosphorylated AKT were increased after ATP5B overexpression in GC cells. Additionally, ATP5B overexpression increased the extracellular ATP level through the secretion of intracellular ATP and activated the FAK/AKT/MMP2 signaling pathway. ATP5B-induced downstream pathway activation was induced through the plasma membrane P2X7 receptor. Inhibitors of P2X7, FAK, AKT, and MMP2 suppressed the proliferative, migratory, and invasive capabilities of GC cells. In conclusion, our experiments indicate that ATP5B contributes to tumor progression of GC via FAK/AKT/MMP2 pathway. ATP5B, therefore, may be a biomarker of poor prognosis and a potential therapeutic target for GC.
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Affiliation(s)
- Xufeng Wang
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Xinyu Chang
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Changyu He
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Zhiyuan Fan
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Zhenjia Yu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Beiqin Yu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Xiongyan Wu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Junyi Hou
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Jianfang Li
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Liping Su
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Bingya Liu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Zhenggang Zhu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
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21
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Martirosian V, Deshpande K, Zhou H, Shen K, Smith K, Northcott P, Lin M, Stepanosyan V, Das D, Remsik J, Isakov D, Boire A, De Feyter H, Hurth K, Li S, Wiemels J, Nakamura B, Shao L, Danilov C, Chen T, Neman J. Medulloblastoma uses GABA transaminase to survive in the cerebrospinal fluid microenvironment and promote leptomeningeal dissemination. Cell Rep 2021; 35:109302. [PMID: 34192534 PMCID: PMC8848833 DOI: 10.1016/j.celrep.2021.109302] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/02/2020] [Accepted: 06/03/2021] [Indexed: 12/12/2022] Open
Abstract
Medulloblastoma (MB) is a malignant pediatric brain tumor arising in the cerebellum. Although abnormal GABAergic receptor activation has been described in MB, studies have not yet elucidated the contribution of receptor-independent GABA metabolism to MB pathogenesis. We find primary MB tumors globally display decreased expression of GABA transaminase (ABAT), the protein responsible for GABA metabolism, compared with normal cerebellum. However, less aggressive WNT and SHH subtypes express higher ABAT levels compared with metastatic G3 and G4 tumors. We show that elevated ABAT expression results in increased GABA catabolism, decreased tumor cell proliferation, and induction of metabolic and histone characteristics mirroring GABAergic neurons. Our studies suggest ABAT expression fluctuates depending on metabolite changes in the tumor microenvironment, with nutrient-poor conditions upregulating ABAT expression. We find metastatic MB cells require ABAT to maintain viability in the metabolite-scarce cerebrospinal fluid by using GABA as an energy source substitute, thereby facilitating leptomeningeal metastasis formation.
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Affiliation(s)
- Vahan Martirosian
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; USC Brain Tumor Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Krutika Deshpande
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; USC Brain Tumor Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Hao Zhou
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Keyue Shen
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Kyle Smith
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Paul Northcott
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Michelle Lin
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Vazgen Stepanosyan
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Diganta Das
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Jan Remsik
- Human Oncology and Pathogenesis Program, Department of Neuro-Oncology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Danielle Isakov
- Human Oncology and Pathogenesis Program, Department of Neuro-Oncology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Adrienne Boire
- Human Oncology and Pathogenesis Program, Department of Neuro-Oncology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Henk De Feyter
- Magnetic Resonance Research Center, Department of Radiology and Biomedical Imaging, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Kyle Hurth
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; USC Brain Tumor Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Shaobo Li
- Center for Genetic Epidemiology, Department of Preventative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Joseph Wiemels
- Center for Genetic Epidemiology, Department of Preventative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Brooke Nakamura
- Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Ling Shao
- Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Camelia Danilov
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Thomas Chen
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; USC Brain Tumor Center, University of Southern California, Los Angeles, CA 90089, USA
| | - Josh Neman
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90089, USA; USC Brain Tumor Center, University of Southern California, Los Angeles, CA 90089, USA.
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22
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Hipólito A, Martins F, Mendes C, Lopes-Coelho F, Serpa J. Molecular and Metabolic Reprogramming: Pulling the Strings Toward Tumor Metastasis. Front Oncol 2021; 11:656851. [PMID: 34150624 PMCID: PMC8209414 DOI: 10.3389/fonc.2021.656851] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/11/2021] [Indexed: 12/12/2022] Open
Abstract
Metastasis is a major hurdle to the efficient treatment of cancer, accounting for the great majority of cancer-related deaths. Although several studies have disclosed the detailed mechanisms underlying primary tumor formation, the emergence of metastatic disease remains poorly understood. This multistep process encompasses the dissemination of cancer cells to distant organs, followed by their adaptation to foreign microenvironments and establishment in secondary tumors. During the last decades, it was discovered that these events may be favored by particular metabolic patterns, which are dependent on reprogrammed signaling pathways in cancer cells while they acquire metastatic traits. In this review, we present current knowledge of molecular mechanisms that coordinate the crosstalk between metastatic signaling and cellular metabolism. The recent findings involving the contribution of crucial metabolic pathways involved in the bioenergetics and biosynthesis control in metastatic cells are summarized. Finally, we highlight new promising metabolism-based therapeutic strategies as a putative way of impairing metastasis.
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Affiliation(s)
- Ana Hipólito
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Filipa Martins
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Cindy Mendes
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Filipa Lopes-Coelho
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Jacinta Serpa
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
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23
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Role of AMPK and Akt in triple negative breast cancer lung colonization. Neoplasia 2021; 23:429-438. [PMID: 33839456 PMCID: PMC8042649 DOI: 10.1016/j.neo.2021.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 12/19/2022] Open
Abstract
Triple negative breast cancer (TNBC) is an aggressive disease with a 5-y relative survival rate of 11% after distant metastasis. To survive the metastatic cascade, tumor cells remodel their signaling pathways by regulating energy production and upregulating survival pathways. AMP-activated protein kinase (AMPK) and Akt regulate energy homeostasis and survival, however, the individual or synergistic role of AMPK and Akt isoforms during lung colonization by TNBC cells is unknown. The purpose of this study was to establish whether targeting Akt, AMPKα or both Akt and AMPKα isoforms in circulating cancer cells can suppress TNBC lung colonization. Transient silencing of Akt1 or Akt2 dramatically decreased metastatic colonization of lungs by inducing apoptosis or inhibiting invasion, respectively. Importantly, transient pharmacologic inhibition of Akt activity with MK-2206 or AZD5363 inhibitors did not prevent colonization of lung tissue by TNBC cells. Knockdown of AMPKα1, AMPKα2, or AMPKα1/2 also had no effect on metastatic colonization of lungs. Taken together, these findings demonstrate that transient decrease in AMPK isoforms expression alone or in combination with Akt1 in circulating tumor cells does not synergistically reduce TNBC metastatic lung colonization. Our results also provide evidence that Akt1 and Akt2 expression serve as a bottleneck that can challenge colonization of lungs by TNBC cells.
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24
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Poturnajova M, Furielova T, Balintova S, Schmidtova S, Kucerova L, Matuskova M. Molecular features and gene expression signature of metastatic colorectal cancer (Review). Oncol Rep 2021; 45:10. [PMID: 33649827 PMCID: PMC7876998 DOI: 10.3892/or.2021.7961] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 12/04/2020] [Indexed: 12/13/2022] Open
Abstract
Uncontrollable metastatic outgrowth process is the leading cause of mortality worldwide, even in the case of colorectal cancer. Colorectal cancer (CRC) accounts for approximately 10% of all annually diagnosed cancers and 50% of CRC patients will develop metastases in the course of disease. Most patients with metastatic CRC have incurable disease. Even if patients undergo resection of liver metastases, the 5‑year survival rate ranges from 25 to 58%. Next‑generation sequencing of tumour specimens from large colorectal cancer patient cohorts has led to major advances in elucidating the genomic landscape of these tumours and paired metastases. The expression profiles of primary CRC and their metastatic lesions at both the gene and pathway levels were compared and led to the selection of early driver genes responsible for carcinogenesis and metastasis‑specific genes that increased the metastatic process. The genetic, transcriptional and epigenetic alteration encoded by these genes and their combination influence many pivotal signalling pathways, enabling the dissemination and outgrowth in distant organs. Therapeutic regimens affecting several different active pathways may have important implications for therapeutic efficacy.
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Affiliation(s)
- Martina Poturnajova
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, University Science Park for Biomedicine, 84505 Bratislava, Slovakia
| | - Tatiana Furielova
- Department of Genetics, Faculty of Natural Sciences, Comenius University, 84215 Bratislava, Slovakia
| | - Sona Balintova
- Department of Genetics, Faculty of Natural Sciences, Comenius University, 84215 Bratislava, Slovakia
| | - Silvia Schmidtova
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, University Science Park for Biomedicine, 84505 Bratislava, Slovakia
- Translational Research Unit, Faculty of Medicine, Comenius University, 81499 Bratislava, Slovakia
| | - Lucia Kucerova
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, University Science Park for Biomedicine, 84505 Bratislava, Slovakia
| | - Miroslava Matuskova
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of Slovak Academy of Sciences, University Science Park for Biomedicine, 84505 Bratislava, Slovakia
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25
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Loss of Fer Jeopardizes Metabolic Plasticity and Mitochondrial Homeostasis in Lung and Breast Carcinoma Cells. Int J Mol Sci 2021; 22:ijms22073387. [PMID: 33806191 PMCID: PMC8037256 DOI: 10.3390/ijms22073387] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 12/18/2022] Open
Abstract
Metabolic plasticity is a hallmark of the ability of metastatic cancer cells to survive under stressful conditions. The intracellular Fer kinase is a selective constituent of the reprogramed mitochondria and metabolic system of cancer cells. In the current work, we deciphered the modulatory roles of Fer in the reprogrammed metabolic systems of metastatic, lung (H358), non-small cell lung cancer (NSCLC), and breast (MDA-MB-231), triple-negative breast cancer (TNBC), carcinoma cells. We show that H358 cells devoid of Fer (H358ΔFer), strictly depend on glucose for their proliferation and growth, and fail to compensate for glucose withdrawal by oxidizing and metabolizing glutamine. Furthermore, glucose deficiency caused increased reactive oxygen species (ROS) production and induction of a DNA damage response (DDR), accompanied by the onset of apoptosis and attenuated cell-cycle progression. Analysis of mitochondrial function revealed impaired respiratory and electron transport chain (ETC) complex 1 (comp. I) activity in the Fer-deficient H358ΔFer cells. This was manifested by decreased levels of NAD+ and ATP and relatively low abundance of tricarboxylic acid (TCA) cycle metabolites. Impaired electron transport chain comp. I activity and dependence on glucose were also confirmed in Fer-deficient, MDA-MB-231ΔFer cells. Although both H358ΔFer and MDA-MB-231ΔFer cells showed a decreased aspartate level, this seemed to be compensated by the predominance of pyrimidines synthesis over the urea cycle progression. Notably, absence of Fer significantly impeded the growth of H358ΔFer and MDA-MB-231ΔFer xenografts in mice provided with a carb-deficient, ketogenic diet. Thus, Fer plays a key role in the sustention of metabolic plasticity of malignant cells. In compliance with this notion, targeting Fer attenuates the progression of H358 and MDA-MB-231 tumors, an effect that is potentiated by a glucose-restrictive diet.
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26
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Boese AC, Kang S. Mitochondrial metabolism-mediated redox regulation in cancer progression. Redox Biol 2021; 42:101870. [PMID: 33509708 PMCID: PMC8113029 DOI: 10.1016/j.redox.2021.101870] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer cells display abnormal metabolic activity as a result of activated oncogenes and loss of tumor suppressor genes. The Warburg Effect is a common metabolic feature of cancer that involves a preference for aerobic glycolysis over oxidative phosphorylation to generate ATP and building blocks for biosynthesis. However, emerging evidence indicates that mitochondrial metabolic pathways are also reprogrammed in cancer and play vital roles in bioenergetics, biosynthesis, and managing redox homeostasis. The mitochondria act a central hub for metabolic pathways that generate ATP and building blocks for lipid, nucleic acid and protein biosynthesis. However, mitochondrial respiration is also a leading source of reactive oxygen species that can damage cellular organelles and trigger cell death if levels become too high. In general, cancer cells are reported to have higher levels of reactive oxygen species than their non-cancerous cells of origin, and therefore must employ diverse metabolic strategies to prevent oxidative stress. However, mounting evidence indicates that the metabolic profiles between proliferative and disseminated cancer cells are not the same. In this review, we will examine mitochondrial metabolic pathways, such as glutaminolysis, that proliferative and disseminated cancer cells utilize to control their redox status.
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Affiliation(s)
- Austin C Boese
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Sumin Kang
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, 30322, USA.
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27
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Li C, Chen Q, Zhou Y, Niu Y, Wang X, Li X, Zheng H, Wei T, Zhao L, Gao H. S100A2 promotes glycolysis and proliferation via GLUT1 regulation in colorectal cancer. FASEB J 2020; 34:13333-13344. [PMID: 32816365 DOI: 10.1096/fj.202000555r] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 07/16/2020] [Accepted: 07/19/2020] [Indexed: 01/05/2023]
Abstract
The deregulation of S100A2 has been implicated in the pathogenesis of several types of cancers. However, the molecular mechanisms underlying the protumorigenic capacities of S100A2 have not been fully elucidated. Here, we demonstrated the molecular mechanisms underlying the roles of S100A2 in glycolysis reprogramming and proliferation of colorectal cancer (CRC) cells. The results indicated that S100A2 overexpression raises glucose metabolism and proliferation. Mechanistically, S100A2 activated the PI3K/AKT signaling pathway, upregulated GLUT1 expression, induced glycolytic reprogramming, and consequently increased proliferation. Clinical data showed significantly increased S100A2 levels in CRC tissues and the Oncomine database. In addition, analysis revealed a positive correlation between S100A2 and GLUT1 mRNA expression in CRC tissues. Together, these results demonstrate that the S100A2/GLUT1 axis can promote the progression of CRC by modulating glycolytic reprogramming. Our results further suggest that targeting S100A2 could present a promising therapeutic avenue for the prevention of colorectal cancer progression.
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Affiliation(s)
- Chen Li
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Qinbo Chen
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yi Zhou
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yan Niu
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xinyi Wang
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xiang Li
- Zhejiang Provincial Key Laboratory of Medical Genetics, Key Laboratory of Laboratory Medicine, Ministry of Education, Wenzhou, China.,School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hong Zheng
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Tingting Wei
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Liangcai Zhao
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hongchang Gao
- Institute of Metabonomics & Medical NMR, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
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28
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Rozeveld CN, Johnson KM, Zhang L, Razidlo GL. KRAS Controls Pancreatic Cancer Cell Lipid Metabolism and Invasive Potential through the Lipase HSL. Cancer Res 2020; 80:4932-4945. [PMID: 32816911 DOI: 10.1158/0008-5472.can-20-1255] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 07/16/2020] [Accepted: 08/14/2020] [Indexed: 12/28/2022]
Abstract
Oncogene-induced metabolic reprogramming is a hallmark of pancreatic cancer (PDAC), yet the metabolic drivers of metastasis are unclear. In PDAC, obesity and excess fatty acids accelerate tumor growth and increase metastasis. Here, we report that excess lipids, stored in organelles called lipid droplets (LD), are a key resource to fuel the energy-intensive process of metastasis. The oncogene KRAS controlled the storage and utilization of LD through regulation of hormone-sensitive lipase (HSL), which was downregulated in human PDAC. Disruption of the KRAS-HSL axis reduced lipid storage, reprogrammed tumor cell metabolism, and inhibited invasive migration in vitro and metastasis in vivo. Finally, microscopy-based metabolic analysis revealed that migratory cells selectively utilize oxidative metabolism during the process of migration to metabolize stored lipids and fuel invasive migration. Taken together, these results reveal a mechanism that can be targeted to attenuate PDAC metastasis. SIGNIFICANCE: KRAS-dependent regulation of HSL biases cells towards lipid storage for subsequent utilization during invasion of pancreatic cancer cells, representing a potential target for therapeutic intervention.See related commentary by Man et al., p. 4886.
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Affiliation(s)
- Cody N Rozeveld
- Mayo Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota
| | - Katherine M Johnson
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Lizhi Zhang
- Department of Anatomic Pathology, Mayo Clinic, Rochester, Minnesota
| | - Gina L Razidlo
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota. .,Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, Minnesota
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29
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Zhou Y, Huang Z, Su J, Li J, Zhao S, Wu L, Zhang J, He Y, Zhang G, Tao J, Zhou J, Chen X, Peng C. Benserazide is a novel inhibitor targeting PKM2 for melanoma treatment. Int J Cancer 2020; 147:139-151. [PMID: 31652354 DOI: 10.1002/ijc.32756] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/12/2019] [Accepted: 10/10/2019] [Indexed: 01/18/2023]
Abstract
The M2 splice isoform of pyruvate kinase (PKM2) is a key enzyme for generating pyruvate and ATP in the glycolytic pathway, whereas the role of PKM2 in tumorigenesis remains a subject of debate. In our study, we found PKM2 is highly expressed in melanoma patients and the malignance is positively correlated with high PKM2 activity and glycolytic capability in melanoma cells. Suppression of PKM2 expression by knocking down markedly attenuated malignant phenotype both in vitro and in vivo, and restoration of PKM2 expression in PKM2 depleted cells could rescue melanoma cells proliferation, invasion and metastasis. With the data indicating PKM2 as a potential therapeutic target, we performed screening for PKM2 inhibitors and identified benserazide (Ben), a drug currently in clinical use. We demonstrated that Ben directly binds to and blocks PKM2 enzyme activity, leading to inhibition of aerobic glycolysis concurrent up-regulation of OXPHOS. Of note, despite PKM2 is very similar to PKM1, Ben does not affect PKM1 enzyme activity. We showed that Ben significantly inhibits cell proliferation, colony formation, invasion and migration in vitro and in vivo. The specificity of Ben was demonstrated by the findings that, suppression of PKM2 expression diminishes the efficacy of Ben in inhibition of melanoma cell growth; ectopic PKM2 expression in normal cells sensitizes cells to Ben treatment. Interestingly, PKM2 activity and aerobic glycolysis are upregulated in BRAFi-resistant melanoma cells. As a result, BRAFi-resistant cells exhibit heightened sensitivity to suppression of PKM2 expression or treatment with Ben both in vitro and in vivo.
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Affiliation(s)
- Youyou Zhou
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zunnan Huang
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong, China
| | - Juan Su
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jie Li
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shuang Zhao
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lisha Wu
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - JiangLing Zhang
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yijing He
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guigui Zhang
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong, China
| | - Juan Tao
- Department of Dermatology, Affiliated Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianda Zhou
- Department of Plastic Surgery of Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Chen
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Cong Peng
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
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30
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Serpa J. Cysteine as a Carbon Source, a Hot Spot in Cancer Cells Survival. Front Oncol 2020; 10:947. [PMID: 32714858 PMCID: PMC7344258 DOI: 10.3389/fonc.2020.00947] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/14/2020] [Indexed: 12/23/2022] Open
Abstract
Cancer cells undergo a metabolic rewiring in order to fulfill the energy and biomass requirements. Cysteine is a pivotal organic compound that contributes for cancer metabolic remodeling at three different levels: (1) in redox control, free or as a component of glutathione; (2) in ATP production, via hydrogen sulfide (H2S) production, serving as a donor to electron transport chain (ETC), and (3) as a carbon source for biomass and energy production. In the present review, emphasis will be given to the role of cysteine as a carbon source, focusing on the metabolic reliance on cysteine, benefiting the metabolic fitness and survival of cancer cells. Therefore, the interplay between cysteine metabolism and other metabolic pathways, as well as the regulation of cysteine metabolism related enzymes and transporters, will be also addressed. Finally, the usefulness of cysteine metabolic route as a target in cancer treatment will be highlighted.
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Affiliation(s)
- Jacinta Serpa
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School - Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal.,Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisbon, Portugal
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Hepatic HuR modulates lipid homeostasis in response to high-fat diet. Nat Commun 2020; 11:3067. [PMID: 32546794 PMCID: PMC7298042 DOI: 10.1038/s41467-020-16918-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 05/26/2020] [Indexed: 12/23/2022] Open
Abstract
Lipid transport and ATP synthesis are critical for the progression of non-alcoholic fatty liver disease (NAFLD), but the underlying mechanisms are largely unknown. Here, we report that the RNA-binding protein HuR (ELAVL1) forms complexes with NAFLD-relevant transcripts. It associates with intron 24 of Apob pre-mRNA, with the 3′UTR of Uqcrb, and with the 5′UTR of Ndufb6 mRNA, thereby regulating the splicing of Apob mRNA and the translation of UQCRB and NDUFB6. Hepatocyte-specific HuR knockout reduces the expression of APOB, UQCRB, and NDUFB6 in mice, reducing liver lipid transport and ATP synthesis, and aggravating high-fat diet (HFD)-induced NAFLD. Adenovirus-mediated re-expression of HuR in hepatocytes rescues the effect of HuR knockout in HFD-induced NAFLD. Our findings highlight a critical role of HuR in regulating lipid transport and ATP synthesis. Human antigen R (HuR) is a RNA binding protein involved in the regulation of many cellular functions. Here the authors show that, hepatocyte specific deletion of HuR exacerbates high-fat diet-induced NAFLD in mice by regulating transcripts involved in lipid transport and ATP synthesis.
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Wang C, Li S, Wang Y, An Y, Shen K, Wang X, Luan W, Ma F, Ni L, Zhou H, Liu M, Yu L. Targeting IRS-1/mPGES-1/NOX2 to inhibit the inflammatory response caused by insulin-like growth factor-I-induced activation of NF-κB and NLRP3 in cancer cells. Vet Comp Oncol 2020; 18:689-698. [PMID: 32270590 DOI: 10.1111/vco.12596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 11/26/2022]
Abstract
The levels of insulin-like growth factor-l (IGF-1) and reactive oxygen species (ROS) are abnormally elevated in various tumour tissues, and IGF-1 has been reported to be associated with the development and progression of inflammation in cancers. In this study, we found that IGF-1 activated nuclear factor-κB (NF-κB) and NLRP3 inflammatory signalling via IRS-1/mPGES-1/NOX2-regulated ROS. Additionally, in the B16-F10 tumour-bearing mouse model, the number of tumours, tumour growth, invasion of tissues and expression of proinflammatory factors in peripheral blood were significantly decreased by treatment with an inhibitor combination compared with those of the IGF-1 group. Taken together, targeting IRS-1/mPGES-1/NOX2 to inhibit inflammation related to NF-κB and NLRP3 is a potential strategy for controlling the development and progression of cancer.
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Affiliation(s)
- Chao Wang
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Shulin Li
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Yang Wang
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Yanan An
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Keshu Shen
- Jilin Hepatobiliary Hospital, Changchun, China
| | - Xuefei Wang
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Wenjing Luan
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Fangxue Ma
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Lihui Ni
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Hong Zhou
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
| | - Mingyuan Liu
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Lu Yu
- Department of Infectious Diseases of First Hospital of Jilin University, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine Jilin University, Changchun, China
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Jahani M, Shahlaei M, Norooznezhad F, Miraghaee SS, Hosseinzadeh L, Moasefi N, Khodarahmi R, Farokhi A, Mahnam A, Mansouri K. TSGA10 Over Expression Decreases Metastasic and Metabolic Activity by Inhibiting HIF-1 in Breast Cancer Cells. Arch Med Res 2020; 51:41-53. [PMID: 32086108 DOI: 10.1016/j.arcmed.2019.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 11/14/2019] [Accepted: 12/03/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIMS HIF-1 is an important factor that play critical roles in metabolic and metastasis activity of cancer cells. HIF-1 activity can have regulated by TSGA10. Although decreased metastatic activity of cancer cells through TSGA10 inhibitory effect on HIF-1 have already been demonstrated, changes in cancer metabolism and its impact on metastasis in breast cancer is still not determined. So, we aimed to investigate TSGA10 overexpression effect on breast cancer metabolism as well as metastasis. METHODS TSGA10 vector was designed and stable transfected into MCF-7 cells. The efficiency of transfection was assessed by Real-time PCR and western blot. After HIF-1 induction at high and low glucose conditions, cell proliferation, cell cycle profile, metabolic and metastasis activity of cells were assessed. Furthermore, biomarker expressions of ER, PR, HER2, Ki67 and E-cadherin in cancer cells were measured. RESULTS Our results showed decrease of cell proliferation and cell cycle arrest in G2/M phase. Reduce expression of GLUT1, lactate production and reactive oxygen species (ROS) below their basal level indicated decreased metabolic activity. Furthermore, metastatic activity reduction was shown by decrease expression of different involve genes in metastasis, protelytic activity of MMOLP-2/9, carbonic anhydrase (CA) IX activity and increase of wound closure. Moreover, except for E-cadherin, expression of ER, PR, HER2 and Ki67 was declined in cells. CONCLUSION Our findings indicated that TSGA10 overexpression could decrease the metastatic and metabolic activity of cancer cells through its inhibitory effect on HIF-1 activity. Therefore, TSGA10 could be considered in the research for therapeutic candidates in cancer.
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Affiliation(s)
- Mozhgan Jahani
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Mohsen Shahlaei
- Nano Drug Delivery Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Norooznezhad
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Sayyed Shahram Miraghaee
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Leila Hosseinzadeh
- Department of Toxicology, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Narges Moasefi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Alireza Farokhi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Azadeh Mahnam
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran
| | - Kamran Mansouri
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical sciences, Kermanshah, Iran; Department of Molecular Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Metabolic classification of circulating tumor cells as a biomarker for metastasis and prognosis in breast cancer. J Transl Med 2020; 18:59. [PMID: 32028979 PMCID: PMC7003411 DOI: 10.1186/s12967-020-02237-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/22/2020] [Indexed: 01/21/2023] Open
Abstract
Background Circulating tumor cells (CTCs) has been demonstrated as a promising liquid biopsy marker for breast cancer (BC). However, the intra-patient heterogeneity of CTCs remains a challenge to clinical application. We aim at profiling aggressive CTCs subpopulation in BC utilizing the distinctive metabolic reprogramming which is a hallmark of metastatic tumor cells. Methods Oncomine, TCGA and Kaplan–Meier plotter databases were utilized to analyze expression and survival relevance of the previously screened metastasis-promoting metabolic markers (PGK1/G6PD) in BC patients. CTCs detection and metabolic classification were performed through micro-filtration and multiple RNA in situ hybridization using CD45 and PGK1/G6PD probes. Blood samples were collected from 64 BC patients before treatment for CTCs analysis. Patient characteristics were recorded to evaluate clinical applications of CTCs metabolic subtypes, as well as morphological EMT subtypes classified by epithelial (EpCAM/CKs) and mesenchymal (Vimentin/Twist) markers. Results PGK1 and G6PD expressions were up-regulated in invasive BC tissues compared with normal mammary tissues. Increased tissue expressions of PGK1 or G6PD indicated shortened overall and relapse-free survival of BC patients (P < 0.001). Blood GM+CTCs (DAPI+CD45−PGK1/G6PD+) was detectable (range 0–54 cells/5 mL) in 61.8% of tCTCs > 0 patients. Increased GM+CTCs number and positive rate were correlated with tumor metastasis and progression (P < 0.05). The GM+CTCs ≥ 2/5 mL level presented superior AUC of ROC at 0.854 (95% CI 0.741–0.968) in the diagnosis of BC metastasis (sensitivity/specificity: 66.7%/91.3%), compared with that of tCTCs (0.779) and CTCs-EMT subtypes (E-CTCs 0.645, H-CTCs 0.727 and M-CTCs 0.697). Moreover, GM+CTCs+ group had inferior survival with decreased 2 years-PFS proportion (18.5%) than GM+CTCs− group (87.9%; P = 0.001). Conclusions This work establishes a PGK1/G6PD-based method for CTCs metabolic classification to identify the aggressive CTCs subpopulation. Metabolically active GM+CTCs subtype is suggested a favorable biomarker of distant metastasis and prognosis in BC patients.
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Ju HQ, Lu YX, Chen DL, Zuo ZX, Liu ZX, Wu QN, Mo HY, Wang ZX, Wang DS, Pu HY, Zeng ZL, Li B, Xie D, Huang P, Hung MC, Chiao PJ, Xu RH. Modulation of Redox Homeostasis by Inhibition of MTHFD2 in Colorectal Cancer: Mechanisms and Therapeutic Implications. J Natl Cancer Inst 2020; 111:584-596. [PMID: 30534944 PMCID: PMC6579745 DOI: 10.1093/jnci/djy160] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 07/09/2018] [Accepted: 08/14/2018] [Indexed: 12/18/2022] Open
Abstract
Background Overcoming oxidative stress is a critical step for tumor progression; however, the underlying mechanisms in colorectal cancer (CRC) remain unclear. Methods We investigated nicotinamide adenine dinucleotide (phosphate) (NAD(P))-dependent enzyme methylene tetrahydrofolate dehydrogenase 2 (MTHFD2) expression, clinical relevance, redox modification, and molecular mechanisms using the CRC cells and tissues (n = 462 paired samples). The antitumor effects of MTHFD2 inhibitor LY345899 on CRC tumorigenesis and metastasis were evaluated in vitro and in vivo. Data analysis used Kaplan-Meier, Pearson’s correlation, and Student t test where appropriate. All statistical tests were two-sided. Results Here, we report that the patients with high expression of MTHFD2 have a shorter overall survival (HR = 1.62, 95% CI = 1.12 to 2.36, P = .01) and disease-free survival (HR = 1.55, 95% CI = 1.07 to 2.27, P = .02) than patients with low MTHFD2 expression. Suppression of MTHFD2 disturbs NADPH and redox homeostasis and accelerates cell death under oxidative stress, such as hypoxia or anchorage independence (P ≤ .01 for all). Also, genetic or pharmacological inhibition of MTHFD2 suppresses CRC cell growth and lung and peritoneal metastasis in cell-based xenografts (n = 5–8 mice per group). Importantly, LY345899 treatment statistically significantly suppresses tumor growth and decreases the tumor weight in CRC patient-derived xenograft models (n = 10 mice per group, mean [SD] tumor weight of the vehicle-treated group was 1.83 [0.19] mg vs 0.74 [0.30] mg for the LY345899-treated group, P < .001) Conclusions Our study presents evidence that MTHFD2 confers redox homeostasis and promotes CRC cell growth and metastasis. The folate analog LY345899 as MTHFD2 inhibitor displays therapeutic activity against CRC and warrants further clinical investigation for CRC treatment.
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Affiliation(s)
- Huai-Qiang Ju
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China.,Departments of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Yun-Xin Lu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Dong-Liang Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Zhi-Xiang Zuo
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Ze-Xian Liu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Qi-Nian Wu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Hai-Yu Mo
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Zi-Xian Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - De-Shen Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Heng-Ying Pu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Zhao-Lei Zeng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Bo Li
- Department of Biochemistry and Molecular Biology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Dan Xie
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Peng Huang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Mien-Chie Hung
- Departments of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.,The University of Texas Graduate School of Biomedical Sciences, Houston, TX
| | - Paul J Chiao
- Departments of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.,The University of Texas Graduate School of Biomedical Sciences, Houston, TX
| | - Rui-Hua Xu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
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Huang M, Xiong H, Luo D, Xu B, Liu H. CSN5 upregulates glycolysis to promote hepatocellular carcinoma metastasis via stabilizing the HK2 protein. Exp Cell Res 2020; 388:111876. [PMID: 31991125 DOI: 10.1016/j.yexcr.2020.111876] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/15/2020] [Accepted: 01/24/2020] [Indexed: 12/29/2022]
Abstract
Aerobic glycolysis promotes metastasis and correlates with poorer clinical outcomes in hepatocellular carcinoma (HCC), but the controllers and mechanisms of abnormally activated glycolysis remain unclear. Herein, we demonstrated that the fifth component of the constitutive photomorphogenic 9 (COP9) signalosome complex (COPS5/CSN5) was a controller of glycolysis. For the first time, we found that CSN5 could influence the expression of glycolytic metabolism-associated proteins, especially hexokinase 2 (HK2), a glycolytic rate-limiting enzyme. In addition, we found that CSN5 was associated with HK2 overexpression in HCC tissues. Silencing CSN5 expression caused a decrease in the level of the HK2 protein, glucose uptake, glycolysis capacity and the production of glycolytic intermediates in HCC cells. Re-expression of HK2 rescued the decreased glycolytic flux induced by CSN5 knockdown, whereas inhibition of HK2 alleviated CSN5-enhanced glycolysis. Functionally, CSN5 regulated HCC cell invasion and metastasis via HK2-mediated glycolysis. Mechanistically, we demonstrated that CSN5 attenuated the ubiquitin-proteasome system-mediated degradation of HK2 through its deubiquitinase function. Inhibition of CSN5 kinase activity by curcumin decreased HK2 protein expression and glycolysis, repressed the metastasis of HCC cells in vitro and in vivo, and prolonged the survival time of tumor-bearing nude mice. Overall, our study identified CSN5 as a controller of glycolysis, and it may be a potential treatment target for HCC.
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Affiliation(s)
- Mingwen Huang
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Hu Xiong
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Dilai Luo
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Bangran Xu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Hongliang Liu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
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Serpa J. Metabolic Remodeling as a Way of Adapting to Tumor Microenvironment (TME), a Job of Several Holders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1219:1-34. [PMID: 32130691 DOI: 10.1007/978-3-030-34025-4_1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The microenvironment depends and generates dependence on all the cells and structures that share the same niche, the biotope. The contemporaneous view of the tumor microenvironment (TME) agrees with this idea. The cells that make up the tumor, whether malignant or not, behave similarly to classes of elements within a living community. These elements inhabit, modify and benefit from all the facilities the microenvironment has to offer and that will contribute to the survival and growth of the tumor and the progression of the disease.The metabolic adaptation to microenvironment is a crucial process conducting to an established tumor able to grow locally, invade and metastasized. The metastatic cancer cells are reasonable more plastic than non-metastatic cancer cells, because the previous ones must survive in the microenvironment where the primary tumor develops and in addition, they must prosper in the microenvironment in the metastasized organ.The metabolic remodeling requires not only the adjustment of metabolic pathways per se but also the readjustment of signaling pathways that will receive and obey to the extracellular instructions, commanding the metabolic adaptation. Many diverse players are pivotal in cancer metabolic fitness from the initial signaling stimuli, going through the activation or repression of genes, until the phenotype display. The new phenotype will permit the import and consumption of organic compounds, useful for energy and biomass production, and the export of metabolic products that are useless or must be secreted for a further recycling or controlled uptake. In the metabolic network, three subsets of players are pivotal: (1) the organic compounds; (2) the transmembrane transporters, and (3) the enzymes.This chapter will present the "Pharaonic" intent of diagraming the interplay between these three elements in an attempt of simplifying and, at the same time, of showing the complex sight of cancer metabolism, addressing the orchestrating role of microenvironment and highlighting the influence of non-cancerous cells.
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Affiliation(s)
- Jacinta Serpa
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School | Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal.
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisbon, Portugal.
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Yuan P, Yang T, Mu J, Zhao J, Yang Y, Yan Z, Hou Y, Chen C, Xing J, Zhang H, Li J. Circadian clock gene NPAS2 promotes reprogramming of glucose metabolism in hepatocellular carcinoma cells. Cancer Lett 2020; 469:498-509. [DOI: 10.1016/j.canlet.2019.11.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/12/2019] [Accepted: 11/18/2019] [Indexed: 02/07/2023]
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Li H, Fu X, Yao F, Tian T, Wang C, Yang A. MTHFD1L-Mediated Redox Homeostasis Promotes Tumor Progression in Tongue Squamous Cell Carcinoma. Front Oncol 2019; 9:1278. [PMID: 31867267 PMCID: PMC6906156 DOI: 10.3389/fonc.2019.01278] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 11/04/2019] [Indexed: 12/15/2022] Open
Abstract
Background: Routine changes in cell metabolism can drive tumor development, as the cellular program develops to promote glycolysis and redox homeostasis during tumor progression; however, the associated mechanisms in tongue squamous cell carcinoma (TSCC) remain unclear. Methods: We investigated methylenetetrahydrofolate dehydrogenase 1-like (MTHFD1L) expression, its clinical relevance, redox modification, and molecular mechanisms using TSCC cells and tissues. The anti-tumor effects of MTHFD1L knockdown on TSCC tumorigenesis were evaluated in vitro and in vivo. Kaplan-Meier curves and the log-rank test were used to analyze disease-free survival and overall survival. Results: TSCC patients with high expression levels of MTHFD1L had shorter overall survival (P < 0.05) and disease-free survival (P < 0.05). Knockdown of MTHFD1L reduced nicotinamide adenine dinucleotide phosphate (NADPH) levels and increased reactive oxygen species (ROS), which accelerated cell death under oxidative stress, such as hypoxia or glucose deprivation. Additionally, inhibition of MTHFD1L suppressed TSCC cell growth and delayed the cell cycle, including in xenograft experiments. Conclusions: MTHFD1L confers redox homeostasis and promotes TSCC cell growth, which provides a great opportunity to study tumor metabolism in head and neck cancer. The mTORC1-4EBP1-eIF4E axis may affect the expression of MTHFD1L in TSCC. Inhibition of the expression of MTHFD1L may be an actionable and effective therapeutic target in TSCC.
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Affiliation(s)
- Hao Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiaoyan Fu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Fan Yao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Tian Tian
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Chunyang Wang
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Ankui Yang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
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Blat A, Wiercigroch E, Smeda M, Wislocka A, Chlopicki S, Malek K. Fourier transform infrared spectroscopic signature of blood plasma in the progression of breast cancer with simultaneous metastasis to lungs. JOURNAL OF BIOPHOTONICS 2019; 12:e201900067. [PMID: 31265171 DOI: 10.1002/jbio.201900067] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 06/28/2019] [Accepted: 07/01/2019] [Indexed: 06/09/2023]
Abstract
Despite advanced diagnostic techniques used for detecting cancer, this disease still remains a leading cause of death in the developed world. What is more, the greatest danger for patients is not related with growing of tumor but rather with metastasis of cancer cells to the distant organs. In this study, Fourier transform infrared (FTIR) spectroscopy was used to track chemical changes in blood plasma to find spectral markers of metastatic breast cancer during the disease progression. Plasma samples were taken 1-5 weeks after orthotropic inoculation of 4T1 metastatic breast cancer cells to mice. The earliest changes detected by FTIR spectroscopy in plasma were correlated with unsaturation of phospholipids and secondary structures of proteins that appeared 2 and 3 weeks, respectively, after 4T1 cells inoculation (micrometastatic phase). Significant alternations in the content and structure of lipids and carbohydrates were identified in plasma at the later stages (macrometastatic phase). When large primary tumors in breast and macrometastases in lung were developed, all bands in FTIR spectra significantly differed from those at earlier phases of the cancer progression. In conclusion, we showed that each phase of the breast cancer progression and its pulmonary metastasis can be characterized by a specific panel of spectral markers.
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Affiliation(s)
- Aneta Blat
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Ewelina Wiercigroch
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Marta Smeda
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland
| | - Adrianna Wislocka
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland
- Chair of Pharmacology, Jagiellonian University Medical College, Grzegorzecka 16, 31-531 Krakow, Poland
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348 Krakow, Poland
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Hartung F, Patil A, Meshram RJ, Weber GF. Gene expression signatures of site-specificity in cancer metastases. Clin Exp Metastasis 2019; 37:159-171. [PMID: 31555944 DOI: 10.1007/s10585-019-09995-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 09/19/2019] [Indexed: 11/26/2022]
Abstract
We have previously shown that metastases are generally characterized by a core program of gene expression that induces the oxidative energy metabolism, activates vascularization/tissue remodeling, silences extracellular matrix interactions, and alters ion homeostasis. This core program distinguishes metastases from their originating primary tumors as well as from their target host tissues. We hypothesized that organ preference is reflected in additional, site-selective components within the metastatic gene expression programs. Expanding our prior analysis of 653 human gene expression profiles plus data from a murine model, we find that the release from the primary tumor is associated with a suppression of functions that are important for the identity of the organ of origin, such as a down-regulation of steroid hormone responsiveness in the disseminated foci derived from prostate cancer. Metastases adjust to their target microenvironment by up-regulating-even overexpressing-genes and genetic programs that are characteristic of that organ. Finally, alterations in RNA and protein processing as well as immune deviation are common. In the clinic, metastases are mostly treated with the chemotherapy protocols devised for their primary tumors. Adjustments that account for the gene expression differences between primary and metastatic cancers have the potential to improve the currently dismal success rates.
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Affiliation(s)
- Franz Hartung
- University of Cincinnati Academic Health Center, Cincinnati, OH, USA
| | - Aditya Patil
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Rohan J Meshram
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Georg F Weber
- University of Cincinnati Academic Health Center, Cincinnati, OH, USA.
- James L. Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, Cincinnati, OH, 45267-0514, USA.
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42
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Welch DR, Hurst DR. Defining the Hallmarks of Metastasis. Cancer Res 2019; 79:3011-3027. [PMID: 31053634 PMCID: PMC6571042 DOI: 10.1158/0008-5472.can-19-0458] [Citation(s) in RCA: 379] [Impact Index Per Article: 75.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/12/2019] [Accepted: 03/14/2019] [Indexed: 12/24/2022]
Abstract
Metastasis is the primary cause of cancer morbidity and mortality. The process involves a complex interplay between intrinsic tumor cell properties as well as interactions between cancer cells and multiple microenvironments. The outcome is the development of a nearby or distant discontiguous secondary mass. To successfully disseminate, metastatic cells acquire properties in addition to those necessary to become neoplastic. Heterogeneity in mechanisms involved, routes of dissemination, redundancy of molecular pathways that can be utilized, and the ability to piggyback on the actions of surrounding stromal cells makes defining the hallmarks of metastasis extraordinarily challenging. Nonetheless, this review identifies four distinguishing features that are required: motility and invasion, ability to modulate the secondary site or local microenvironments, plasticity, and ability to colonize secondary tissues. By defining these first principles of metastasis, we provide the means for focusing efforts on the aspects of metastasis that will improve patient outcomes.
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Affiliation(s)
- Danny R Welch
- Department of Cancer Biology and The University of Kansas Cancer Center, The University of Kansas Medical Center, Kansas City, Kansas.
| | - Douglas R Hurst
- Department of Pathology and Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama.
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Ralph SJ, Nozuhur S, ALHulais RA, Rodríguez‐Enríquez S, Moreno‐Sánchez R. Repurposing drugs as pro‐oxidant redox modifiers to eliminate cancer stem cells and improve the treatment of advanced stage cancers. Med Res Rev 2019; 39:2397-2426. [DOI: 10.1002/med.21589] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/20/2019] [Accepted: 03/31/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Stephen J. Ralph
- School of Medical ScienceGriffith University Southport Australia
| | - Sam Nozuhur
- School of Medical ScienceGriffith University Southport Australia
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Yang Y, Zhu G, Dong B, Piao J, Chen L, Lin Z. The NQO1/PKLR axis promotes lymph node metastasis and breast cancer progression by modulating glycolytic reprogramming. Cancer Lett 2019; 453:170-183. [PMID: 30954648 DOI: 10.1016/j.canlet.2019.03.054] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 03/28/2019] [Accepted: 03/28/2019] [Indexed: 12/23/2022]
Abstract
Overexpression of NQO1 is associated with poor prognosis in human cancers including lung, stomach, colon, cervical, and pancreatic cancers. However, the molecular mechanisms underlying the protumorigenic capacities of NQO1 have not been fully elucidated. Here, we investigated this question and determined the molecular mechanisms underlying the roles of NQO1 in glycolysis reprogramming, proliferation, and metastasis breast cancer (BC) cells. The results indicated that NQO1 overexpression in BC cells raises glucose metabolism and metastasis related behaviors. Mechanistically, NQO1 bound to PKLR, activated the AMPK and AKT/mTOR signaling pathway and consequently induced glycolytic reprogramming. In addition, 2-deoxy-d-glucose (2-DG) or 3-bromopyruvate (3-BrPA) influenced proliferation and regulated the expression of genes involved in the epithelial-to-mesenchymal transition (EMT) by restraining glycolytic reprogramming. Finally, overexpression of NQO1 and PKLR in human BC tissues was remarkably related to lymph node (LN) metastasis and poor prognosis. Together, these results demonstrate that the NQO1/PKLR axis can promote the progression of BC by modulating glycolytic reprogramming and suggest that targeting NQO1 and its downstream effectors are promising therapeutic targets for preventing the BC progression.
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Affiliation(s)
- Yang Yang
- Department of Pathology & Cancer Research Center, Yanbian University Medical College, Yanji, 133002, China
| | - Guang Zhu
- Department of Pathology & Cancer Research Center, Yanbian University Medical College, Yanji, 133002, China
| | - Bing Dong
- Department of Pathology & Cancer Research Center, Yanbian University Medical College, Yanji, 133002, China
| | - Junjie Piao
- Department of Pathology & Cancer Research Center, Yanbian University Medical College, Yanji, 133002, China
| | - Liyan Chen
- Department of Pathology & Cancer Research Center, Yanbian University Medical College, Yanji, 133002, China; Department of Biochemistry and Molecular Biology, Yanbian University Medical College, Yanji, 133002, China.
| | - Zhenhua Lin
- Department of Pathology & Cancer Research Center, Yanbian University Medical College, Yanji, 133002, China.
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Carvalho TM, Cardoso HJ, Figueira MI, Vaz CV, Socorro S. The peculiarities of cancer cell metabolism: A route to metastasization and a target for therapy. Eur J Med Chem 2019; 171:343-363. [PMID: 30928707 DOI: 10.1016/j.ejmech.2019.03.053] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/19/2019] [Accepted: 03/21/2019] [Indexed: 02/06/2023]
Abstract
The last decade has witnessed the peculiarities of metabolic reprogramming in tumour onset and progression, and their relevance in cancer therapy. Also, it has been indicated that the metastatic process may depend on the metabolic rewiring and adaptation of cancer cells to the pressure of tumour microenvironment and limiting nutrient availability. The present review gatherers the existent knowledge on the influence of tumour microenvironment and metabolic routes driving metastasis. A focus will be given to glycolysis, fatty acid metabolism, glutaminolysis, and amino acid handling. In addition, the role of metabolic waste driving metastasization will be explored. Finally, we discuss the status of cancer treatment approaches targeting metabolism. This knowledge revision will highlight the critical metabolic targets in metastasis and the chemicals already used in preclinical studies and clinical trials, providing clues that would be further exploited in medicinal chemistry research.
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Affiliation(s)
- Tiago Ma Carvalho
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Henrique J Cardoso
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Marília I Figueira
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Cátia V Vaz
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - Sílvia Socorro
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal.
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46
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Jin L, Zhou Y. Crucial role of the pentose phosphate pathway in malignant tumors. Oncol Lett 2019; 17:4213-4221. [PMID: 30944616 DOI: 10.3892/ol.2019.10112] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 01/04/2019] [Indexed: 12/21/2022] Open
Abstract
Interest in cancer metabolism has increased in recent years. The pentose phosphate pathway (PPP) is a major glucose catabolism pathway that directs glucose flux to its oxidative branch and leads to the production of a reduced form of nicotinamide adenine dinucleotide phosphate and nucleic acid. The PPP serves a vital role in regulating cancer cell growth and involves many enzymes. The aim of the present review was to describe the recent discoveries associated with the deregulatory mechanisms of the PPP and glycolysis in malignant tumors, particularly in hepatocellular carcinoma, breast and lung cancer.
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Affiliation(s)
- Lin Jin
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, P.R. China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, P.R. China
| | - Yanhong Zhou
- The Key Laboratory of Carcinogenesis of The Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, Hunan 410078, P.R. China.,The Key Laboratory of Carcinogenesis and Cancer Invasion of The Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, P.R. China
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Altieri DC. Mitochondrial dynamics and metastasis. Cell Mol Life Sci 2019; 76:827-835. [PMID: 30415375 PMCID: PMC6559795 DOI: 10.1007/s00018-018-2961-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 10/29/2018] [Accepted: 10/30/2018] [Indexed: 12/19/2022]
Abstract
Changes in cellular metabolism are now a recognized hallmark of cancer. Although this process is ripe with therapeutic potential in the clinic, its complexity and extraordinary plasticity have systematically defied dogmas and oversimplifications. Perhaps, best exemplifying this intricacy is the role of mitochondria in cancer, which in just a few years has gone from largely unnoticed to pivotal disease driver. The underlying mechanisms are only beginning to emerge. However, there is now clear evidence linking the dynamic nature of mitochondria to the machinery of tumor cell motility and metastatic spreading. These studies may open fresh therapeutic options for patients with disseminated cancer, currently an incurable and mostly lethal condition.
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Affiliation(s)
- Dario C Altieri
- Prostate Cancer Discovery and Development Program and Immunology, Microenvironment and Metastasis Program, The Wistar Institute, 3601 Spruce Street, Philadelphia, PA, 19104, USA.
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Wilson RB, Solass W, Archid R, Weinreich FJ, Königsrainer A, Reymond MA. Resistance to anoikis in transcoelomic shedding: the role of glycolytic enzymes. Pleura Peritoneum 2019; 4:20190003. [PMID: 31198853 PMCID: PMC6545877 DOI: 10.1515/pp-2019-0003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 02/26/2019] [Indexed: 02/07/2023] Open
Abstract
Detachment of cells from the extracellular matrix into the peritoneal cavity initiates a cascade of metabolic alterations, leading usually to cell death by apoptosis, so-called anoikis. Glycolytic enzymes enable the switch from oxidative phosphorylation to aerobic glycolysis and allow resistance to anoikis of shed tumour cells. These enzymes also have moonlighting activities as protein kinases and transcription factors. Phosphoglycerate kinase (PGK) and pyruvate kinase are the only glycolytic enzymes generating ATP in the hexokinase pathway. Hypoxia, EGFR activation, expression of K-Ras G12V and B-Raf V600E induce mitochondrial translocation of phosphoglycerate kinase 1 (PGK1). Mitochondrial PGK1 acts as a protein kinase to phosphorylate pyruvate dehydrogenase kinase 1 (PDHK1), reducing mitochondrial pyruvate utilization, suppressing reactive oxygen species production, increasing lactate production and promoting tumourigenesis. PGK1 also plays a role as a transcription factor once transported into the nucleus. Resistance to anoikis is also facilitated by metabolic support provided by cancer-associated fibroblasts (CAFs). Our series of experiments in-vitro and in the animal model showed that PGK1 knock-out or inhibition is effective in controlling development and growth of peritoneal metastasis (PM) of gastric origin, establishing a causal role of PGK1 in this development. PGK1 also increases CXCR4 and CXCL12 expression, which is associated with a metastatic phenotype and plays a role in the metastatic homing of malignant cells. Thus, PGK1, its modulators and target genes may be exploited as therapeutic targets for preventing development of PM and for enhancing cytotoxic effects of conventional systemic chemotherapy.
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Affiliation(s)
- Robert B. Wilson
- Department of Surgery, University of South New Wales, Sydney, Australia
- Department of Upper Gastrointestinal Surgery, Liverpool Hospital, Elizabeth St, Liverpool, Sydney, New South Wales, Australia
| | - Wiebke Solass
- Institute of Pathology, University of Tübingen, Tübingen, Germany
| | - Rami Archid
- Department of General and Transplant Surgery, University of Tübingen, Tübingen, Germany
| | | | - Alfred Königsrainer
- Department of General and Transplant Surgery, University of Tübingen, Tübingen, Germany
| | - Marc A. Reymond
- Department of General and Transplant Surgery, University of Tübingen, Tübingen, Germany
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49
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Yu Z, Huang M, Clowers BH. Comparative metabolite profiling of a metastatic and primary melanoma cell line using untargeted metabolomics: A case study. CLINICAL MASS SPECTROMETRY (DEL MAR, CALIF.) 2018; 10:16-24. [PMID: 39193356 PMCID: PMC11322782 DOI: 10.1016/j.clinms.2018.08.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 08/02/2018] [Accepted: 08/03/2018] [Indexed: 11/29/2022]
Abstract
Melanoma accounts for more than 60% of deaths associated with skin cancer, making its early detection through dermatological screening essential for improved treatment outcomes. Early detection and successful treatment of melanoma can dramatically increase the 5-year survival rate from 14 to 98%. To support such efforts, comprehensive identification of metabolite patterns capable of describing cancer progression will help support the foundational knowledge necessary to build early detection platforms for intervention prior to metastasis. Using an UPLC-MS, as part of a cell-based, untargeted metabolomics approach, we profiled the metabolomes of WM-226-4 and WM-115 cells. Derived from the metastatic and the primary sites of the same individual, these two cell lines represent a paired melanoma cancer cell line. Progenesis and MetaboAnalyst, platforms dedicated to metabolomics data analysis, were used to establish a panel of differentially expressed metabolites across these two stages of melanoma. In addition, mummichog was used to identify the affected pathways. A total of 12 differentially expressed metabolites including amino acids, carnitine, acylcarnitine, and a limited set of lipids were identified. The significantly differing metabolites are components of a diverse set of metabolic pathways (e.g., glycerophospholipid metabolism, carnitine shuttle, tryptophan metabolism), that have biological implications for the survival and dissemination of metastatic melanoma cells.
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Affiliation(s)
- Zhihao Yu
- Department of Chemistry, Washington State University, Pullman, WA, United States
| | - Ming Huang
- Environmental Toxicology Graduate Program, University of California, Riverside, CA, United States
| | - Brian H. Clowers
- Department of Chemistry, Washington State University, Pullman, WA, United States
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50
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Walaszek K, Lower EE, Ziolkowski P, Weber GF. Breast cancer risk in premalignant lesions: osteopontin splice variants indicate prognosis. Br J Cancer 2018; 119:1259-1266. [PMID: 30353046 PMCID: PMC6251032 DOI: 10.1038/s41416-018-0228-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/16/2018] [Accepted: 07/19/2018] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Premalignant breast lesions pose variable risks for transformation, raising the question who should receive treatment to counteract the potential progression to breast cancer. Because the secreted metastasis mediator Osteopontin (OPN) is a marker for breast cancer aggressiveness, its presence in these lesions may reflect progression risk. METHODS By immunohistochemistry, we analyse the association of Osteopontin variant expression in healthy breasts, hyperplasias, papillomas, and carcinomas in situ from 434 women to assess a) staining for OPN exon 4 (present in OPN-a and OPN-b) or OPN-c in low-risk to high-risk lesions b) correlations between staining and progression (DCIS with invasion, invasive cancer) or survival. RESULTS The markers correlate with risk, and they are prognostic for ensuing invasive disease and survival. About 10% of OPN-c pathology score 0-1 (intensity), vs. 40% of score 3 experience cancer over 5 years. More than 90% of women, who progress, had pathology scores of 2-3 for OPN-c intensity at the time of initial diagnosis. When combining OPN-c and OPN exon 4 staining, all of the low intensity patients are alive after 5 years, whereas women in the high category have a close to 30% chance to die within 5 years. Of patients who succumb, close to 80% had a high combined score at the time of initial diagnosis. CONCLUSION The combined information of OPN splice variant immunohistochemistry can provide a foundation for very reliable prognostication and has the potential to aid decision making in the treatment of early breast lesions.
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Affiliation(s)
- Kinga Walaszek
- Department of Pathology, Wroclaw Medical University, Wroclaw, Poland
| | - Elyse E Lower
- College of Medicine, University of Cincinnati Academic Health Center, Cincinnati, OH, USA
| | - Piotr Ziolkowski
- Department of Pathology, Wroclaw Medical University, Wroclaw, Poland.
| | - Georg F Weber
- College of Pharmacy, University of Cincinnati Academic Health Center, Cincinnati, OH, USA.
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