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Jain SM, Nagainallur Ravichandran S, Murali Kumar M, Banerjee A, Sun-Zhang A, Zhang H, Pathak R, Sun XF, Pathak S. Understanding the molecular mechanism responsible for developing therapeutic radiation-induced radioresistance of rectal cancer and improving the clinical outcomes of radiotherapy - A review. Cancer Biol Ther 2024; 25:2317999. [PMID: 38445632 PMCID: PMC10936619 DOI: 10.1080/15384047.2024.2317999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 02/08/2024] [Indexed: 03/07/2024] Open
Abstract
Rectal cancer accounts for the second highest cancer-related mortality, which is predominant in Western civilizations. The treatment for rectal cancers includes surgery, radiotherapy, chemotherapy, and immunotherapy. Radiotherapy, specifically external beam radiation therapy, is the most common way to treat rectal cancer because radiation not only limits cancer progression but also significantly reduces the risk of local recurrence. However, therapeutic radiation-induced radioresistance to rectal cancer cells and toxicity to normal tissues are major drawbacks. Therefore, understanding the mechanistic basis of developing radioresistance during and after radiation therapy would provide crucial insight to improve clinical outcomes of radiation therapy for rectal cancer patients. Studies by various groups have shown that radiotherapy-mediated changes in the tumor microenvironment play a crucial role in developing radioresistance. Therapeutic radiation-induced hypoxia and functional alterations in the stromal cells, specifically tumor-associated macrophage (TAM) and cancer-associated fibroblasts (CAF), play a crucial role in developing radioresistance. In addition, signaling pathways, such as - the PI3K/AKT pathway, Wnt/β-catenin signaling, and the hippo pathway, modulate the radiation responsiveness of cancer cells. Different radiosensitizers, such as small molecules, microRNA, nanomaterials, and natural and chemical sensitizers, are being used to increase the effectiveness of radiotherapy. This review highlights the mechanism responsible for developing radioresistance of rectal cancer following radiotherapy and potential strategies to enhance the effectiveness of radiotherapy for better management of rectal cancer.
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Affiliation(s)
- Samatha M Jain
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Hospital and Research Institute, Kelambakkam, Chennai, India
| | - Shruthi Nagainallur Ravichandran
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Hospital and Research Institute, Kelambakkam, Chennai, India
| | - Makalakshmi Murali Kumar
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Hospital and Research Institute, Kelambakkam, Chennai, India
| | - Antara Banerjee
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Hospital and Research Institute, Kelambakkam, Chennai, India
| | - Alexander Sun-Zhang
- Department of Oncology-Pathology, BioClinicum, Karolinska Institutet, Stockholm, Sweden
| | - Hong Zhang
- School of Medicine, Department of Medical Sciences, Orebro University, Örebro, Sweden
| | - Rupak Pathak
- Division of Radiation Health, Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Xiao-Feng Sun
- Department of Oncology and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Surajit Pathak
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Hospital and Research Institute, Kelambakkam, Chennai, India
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Singrang N, Nopparat C, Panmanee J, Govitrapong P. Melatonin Inhibits Hypoxia-Induced Alzheimer's Disease Pathogenesis by Regulating the Amyloidogenic Pathway in Human Neuroblastoma Cells. Int J Mol Sci 2024; 25:5225. [PMID: 38791263 PMCID: PMC11121645 DOI: 10.3390/ijms25105225] [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: 03/21/2024] [Revised: 05/02/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
Stroke and Alzheimer's disease (AD) are prevalent age-related diseases; however, the relationship between these two diseases remains unclear. In this study, we aimed to investigate the ability of melatonin, a hormone produced by the pineal gland, to alleviate the effects of ischemic stroke leading to AD by observing the pathogenesis of AD hallmarks. We utilized SH-SY5Y cells under the conditions of oxygen-glucose deprivation (OGD) and oxygen-glucose deprivation and reoxygenation (OGD/R) to establish ischemic stroke conditions. We detected that hypoxia-inducible factor-1α (HIF-1α), an indicator of ischemic stroke, was highly upregulated at both the protein and mRNA levels under OGD conditions. Melatonin significantly downregulated both HIF-1α mRNA and protein expression under OGD/R conditions. We detected the upregulation of β-site APP-cleaving enzyme 1 (BACE1) mRNA and protein expression under both OGD and OGD/R conditions, while 10 µM of melatonin attenuated these effects and inhibited beta amyloid (Aβ) production. Furthermore, we demonstrated that OGD/R conditions were able to activate the BACE1 promoter, while melatonin inhibited this effect. The present results indicate that melatonin has a significant impact on preventing the aberrant development of ischemic stroke, which can lead to the development of AD, providing new insight into the prevention of AD and potential stroke treatments.
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Affiliation(s)
| | - Chutikorn Nopparat
- Innovative Learning Center, Srinakharinwirot University, Bangkok 10110, Thailand
| | - Jiraporn Panmanee
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom 73170, Thailand
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Yuan Q, Mao M, Xia X, Yang W. Clinical and prognostic significance analysis of glycolysis-related genes in HNSCC. J Gene Med 2024; 26:e3670. [PMID: 38337164 DOI: 10.1002/jgm.3670] [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: 09/22/2023] [Revised: 12/10/2023] [Accepted: 01/18/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Head and neck squamous cell carcinoma (HNSCC) represents one of the most malignant cancers worldwide, with poor survival. Experimental evidence implies that glycolysis/hypoxia is associated with HNSCC. In this study, we aimed to construct a novel glycolysis-/hypoxia-related gene (GHRG) signature for survival prediction of HNSCC. METHODS A multistage screening strategy was used to establish the GHRG prognostic model by univariate/least absolute shrinkage and selection operator (LASSO)/step multivariate Cox regressions from The Cancer Genome Atlas cohort. A nomogram was constructed to quantify the survival probability. Correlations between risk score and immune infiltration and chemotherapy sensitivity were explored. RESULTS We established a 12-GHRG mRNA signature to predict the prognosis in HNSCC patients. Patients in the high-risk score group had a much worse prognosis. The predictive power of the model was validated by external HNSCC cohorts, and the model was identified as an independent factor for survival prediction. Immune infiltration analysis showed that the high-risk score group had an immunosuppressive microenvironment. Finally, the model was effective in predicting chemotherapeutic sensitivity. CONCLUSIONS Our study demonstrated that the GHRG model is a robust prognostic tool for survival prediction of HNSCC. Findings of this work provide novel insights for immune infiltration and chemotherapy of HNSCC, and may be applied clinically to guide therapeutic strategies.
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Affiliation(s)
- Qiuyun Yuan
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
| | - Mengqian Mao
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoqiang Xia
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
| | - Wanchun Yang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
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Louise Kelly C, Wydrzynska M, Phelan MM, Osharovich S, Delikatny EJ, Sée V, Poptani H. Inhibition of glioblastoma cell proliferation and invasion by the choline-kinase inhibitor JAS239 varies with cell type and hypoxia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.17.576078. [PMID: 38293093 PMCID: PMC10827177 DOI: 10.1101/2024.01.17.576078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Background Elevated choline kinase alpha (ChoK) is observed in most solid tumours including glioblastomas (GBM), yet until recently, inhibitors of ChoK have demonstrated limited efficacy in GBM models. Given that hypoxia is associated with GBM therapy resistance, we hypothesised that tumour hypoxia could be responsible for such limitations. We therefore evaluated in GBM cells, the effect of hypoxia on the function of JAS239, a potent ChoK inhibitor. Methods Rodent (F98 and 9L) and human (U-87 MG and U-251 MG) GBM cell lines were subjected to 72 hours of hypoxia conditioning and treated with JAS239 for 24 hours. NMR metabolomic measurements and analyses were performed to evaluate the signalling pathways involved. In addition, cell proliferation, cell cycle progression and cell invasion were measured in cell monolayers and 3D spheroids, with or without JAS239 treatment in normoxic or hypoxic cells to assess how hypoxia affects JAS239 function. Results Hypoxia and JAS239 treatment led to significant changes in the cellular metabolic pathways, specifically the phospholipid and glycolytic pathways associated with a reduction in cell proliferation via induced cell cycle arrest. Interestingly, JAS239 also impaired GBM invasion. However, JAS239 effects were variable depending on the cell line, reflecting the inherent heterogeneity observed in GBMs. Conclusion Our findings indicate that JAS239 and hypoxia can deregulate cellular metabolism, inhibit proliferation and alter cell invasion. These results may be useful for the design of new therapeutic strategies based on ChoK inhibition that can act on multiple pro-tumorigenic features.
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Affiliation(s)
- Claire Louise Kelly
- Centre for Preclinical Imaging, Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool, UK
- Centre for Cell Imaging, Department of Biochemistry & Systems Biology, University of Liverpool, Liverpool, UK
| | - Martyna Wydrzynska
- Centre for Cell Imaging, Department of Biochemistry & Systems Biology, University of Liverpool, Liverpool, UK
| | - Marie M Phelan
- High field NMR facility, Department of Biochemistry & Systems Biology, University of Liverpool, UK
| | - Sofya Osharovich
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Edward J. Delikatny
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Violaine Sée
- Centre for Cell Imaging, Department of Biochemistry & Systems Biology, University of Liverpool, Liverpool, UK
| | - Harish Poptani
- Centre for Preclinical Imaging, Department of Molecular and Clinical Cancer Medicine, University of Liverpool, Liverpool, UK
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Nisar H, Labonté FM, Roggan MD, Schmitz C, Chevalier F, Konda B, Diegeler S, Baumstark-Khan C, Hellweg CE. Hypoxia Modulates Radiosensitivity and Response to Different Radiation Qualities in A549 Non-Small Cell Lung Cancer (NSCLC) Cells. Int J Mol Sci 2024; 25:1010. [PMID: 38256084 PMCID: PMC10816011 DOI: 10.3390/ijms25021010] [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: 11/23/2023] [Revised: 12/28/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Hypoxia-induced radioresistance reduces the efficacy of radiotherapy for solid malignancies, including non-small cell lung cancer (NSCLC). Cellular hypoxia can confer radioresistance through cellular and tumor micro-environment adaptations. Until recently, studies evaluating radioresistance secondary to hypoxia were designed to maintain cellular hypoxia only before and during irradiation, while any handling of post-irradiated cells was carried out in standard oxic conditions due to the unavailability of hypoxia workstations. This limited the possibility of simulating in vivo or clinical conditions in vitro. The presence of molecular oxygen is more important for the radiotoxicity of low-linear energy transfer (LET) radiation (e.g., X-rays) than that of high-LET carbon (12C) ions. The mechanisms responsible for 12C ions' potential to overcome hypoxia-induced radioresistance are currently not fully understood. Therefore, the radioresistance of hypoxic A549 NSCLC cells following exposure to X-rays or 12C ions was investigated along with cell cycle progression and gene expression by maintaining hypoxia before, during and after irradiation. A549 cells were incubated under normoxia (20% O2) or hypoxia (1% O2) for 48 h and then irradiated with X-rays (200 kV) or 12C ions (35 MeV/n, LET ~75 keV/µm). Cell survival was evaluated using colony-forming ability (CFA) assays immediately or 24 h after irradiation (late plating). DNA double-strand breaks (DSBs) were analyzed using γH2AX immunofluorescence microscopy. Cell cycle progression was determined by flow cytometry of 4',6-diamidino-2-phenylindole-stained cells. The global transcription profile post-irradiation was evaluated by RNA sequencing. When hypoxia was maintained before, during and after irradiation, hypoxia-induced radioresistance was observed only in late plating CFA experiments. The killing efficiency of 12C ions was much higher than that of X-rays. Cell survival under hypoxia was affected more strongly by the timepoint of plating in the case of X-rays compared to 12C ions. Cell cycle arrest following irradiation under hypoxia was less pronounced but more prolonged. DSB induction and resolution following irradiation were not significantly different under normoxia and hypoxia. Gene expression response to irradiation primarily comprised cell cycle regulation for both radiation qualities and oxygen conditions. Several PI3K target genes involved in cell migration and cell motility were differentially upregulated in hypoxic cells. Hypoxia-induced radioresistance may be linked to altered cell cycle response to irradiation and PI3K-mediated changes in cell motility and migration in A549 cells rather than less DNA damage or faster repair.
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Affiliation(s)
- Hasan Nisar
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
- Department of Medical Sciences, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad 44000, Pakistan
| | - Frederik M. Labonté
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, 50931 Cologne, Germany
| | - Marie Denise Roggan
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
- German Center for Neurodegenerative Diseases (DZNE), 53127 Bonn, Germany
| | - Claudia Schmitz
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
| | - François Chevalier
- UMR6252 CIMAP, CEA-CNRS-ENSICAEN-University of Caen Normandy, 14000 Caen, France;
| | - Bikash Konda
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
| | - Sebastian Diegeler
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
- Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Christa Baumstark-Khan
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
| | - Christine E. Hellweg
- Department of Radiation Biology, Institute of Aerospace Medicine, German Aerospace Center (DLR), 51147 Cologne, Germany; (H.N.); (F.M.L.); (M.D.R.); (C.S.); (B.K.); (S.D.); (C.B.-K.)
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Sandhu V, Bakkalci D, Wei S, Cheema U. Enhanced Biomimetics of Three-Dimensional Osteosarcoma Models: A Scoping Review. Cancers (Basel) 2023; 16:164. [PMID: 38201591 PMCID: PMC10778420 DOI: 10.3390/cancers16010164] [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: 11/23/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
This scoping review evaluated 3D osteosarcoma (OS) models' biomimicry, examining their ability to mimic the tumour microenvironment (TME) and their drug sensitivity. Adhering to PRISMA-ScR guidelines, the systematic search revealed 293 studies, with 70 selected for final analysis. Overall, 64% of 3D OS models were scaffold-based, compared to self-generated spheroid models. Scaffolds generated using native matrix were most common (42%) with collagen I/hydroxyapatite predominating. Both scaffold-based and scaffold-free models were used equally for drug screening. The sensitivity of cancer cells in 3D was reported to be lower than that of cells in 2D in ~90% of the drug screening studies. This correlates with the observed upregulation of drug resistance. OS cells cultured in extracellular matrix (ECM)-mimetic scaffolds and native biomaterials were more resistant than cells in 2D. Co-cultures of OS and stromal cells in 3D models enhanced osteogenic differentiation, ECM remodelling, mineralisation, and angiogenesis, suggesting that tumour-stroma crosstalk promotes disease progression. Seven studies demonstrated selective toxicity of chemotherapeutics towards OS cells while sparing stromal cells, providing useful evidence for developing biomimetic tumour-stroma models to test selective drug toxicity. In conclusion, this review highlights the need to enhance biomimicry in 3D OS models for TME recapitulation, especially in testing novel therapeutics. Future research should explore innovative 3D biomimetic models, biomaterials, and advancements in personalised medicine.
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Affiliation(s)
- Vinesh Sandhu
- Division of Medicine, UCL Medical School, University College London (UCL), 74 Huntley Street, London WC1E 6DE, UK;
| | - Deniz Bakkalci
- UCL Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London (UCL), Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK;
| | - Siyi Wei
- UCL Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London (UCL), Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK;
| | - Umber Cheema
- UCL Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London (UCL), Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK;
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Barnes EA, Ito R, Che X, Alvira CM, Cornfield DN. Loss of prolyl hydroxylase 1 and 2 in SM22α-expressing cells prevents Hypoxia-Induced pulmonary hypertension. Am J Physiol Lung Cell Mol Physiol 2023; 325:L741-L755. [PMID: 37847687 PMCID: PMC11068430 DOI: 10.1152/ajplung.00428.2022] [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: 12/18/2022] [Revised: 09/21/2023] [Accepted: 10/11/2023] [Indexed: 10/19/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a disease characterized by increased vasoconstriction and vascular remodeling. Pulmonary artery smooth muscle cells (PASMCs) highly express the transcription factor hypoxia-inducible factor-1α (HIF-1α), yet the role of PASMC HIF-1α in the development of PAH remains controversial. To study the role of SMC HIF-1α in the pulmonary vascular response to acute and chronic hypoxia, we used a gain-of-function strategy to stabilize HIF-1α in PASMC by generating mice lacking prolyl hydroxylase domain (PHD) 1 and 2 in SM22α-expressing cells. This strategy increased HIF-1α expression and transcriptional activity under conditions of normoxia and hypoxia. Acute hypoxia increased right ventricular systolic pressure (RVSP) in control, but not in SM22α-PHD1/2-/- mice. Chronic hypoxia increased RVSP and vascular remodeling more in control SM22α-PHD1/2+/+ than in SM22α-PHD1/2-/- mice. In vitro studies demonstrated increased contractility and myosin light chain phosphorylation in isolated PHD1/2+/+ compared with PHD1/2-/- PASMC under both normoxic and hypoxic conditions. After chronic hypoxia, there was more p27 and less vascular remodeling in SM22α-PHD1/2-/- compared with SM22α-PHD1/2+/+ mice. Hypoxia increased p27 in PASMC isolated from control patients, but not in cells from patients with idiopathic pulmonary arterial hypertension (IPAH). These findings highlight an SM22α-expressing cell-specific role for HIF-1α in the inhibition of pulmonary vasoconstriction and vascular remodeling. Modulating HIF-1α expression in PASMC may represent a promising preventative and therapeutic strategy for patients with PAH.NEW & NOTEWORTHY In a mouse model wherein hypoxia-inducible factor 1 alpha (HIF-1α) is stabilized in vascular smooth muscle cells, we found that HIF-1α regulates vasoconstriction by limiting phosphorylation of myosin light chain and regulates vascular remodeling through p27 induction. These findings highlight a cell-specific role for HIF-1α in the inhibition of pulmonary vasoconstriction and vascular remodeling.
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Affiliation(s)
- Elizabeth A Barnes
- Department of Pediatrics, Center for Excellence in Pulmonary Biology, Stanford University, School of Medicine, Stanford, California, United States
| | - Reiji Ito
- Department of Pediatrics, Center for Excellence in Pulmonary Biology, Stanford University, School of Medicine, Stanford, California, United States
| | - Xibing Che
- Department of Pediatrics, Center for Excellence in Pulmonary Biology, Stanford University, School of Medicine, Stanford, California, United States
| | - Cristina M Alvira
- Department of Pediatrics, Center for Excellence in Pulmonary Biology, Stanford University, School of Medicine, Stanford, California, United States
| | - David N Cornfield
- Department of Pediatrics, Center for Excellence in Pulmonary Biology, Stanford University, School of Medicine, Stanford, California, United States
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Sadri M, Najafi A, Rahimi A, Behranvand N, Hossein Kazemi M, Khorramdelazad H, Falak R. Hypoxia effects on oncolytic virotherapy in Cancer: Friend or Foe? Int Immunopharmacol 2023; 122:110470. [PMID: 37433246 DOI: 10.1016/j.intimp.2023.110470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 07/13/2023]
Abstract
Researchers have tried to find novel strategies for cancer treatment in the past decades. Among the utilized methods, administering oncolytic viruses (OVs) alone or combined with other anticancer therapeutic approaches has had promising outcomes, especially in solid tumors. Infecting the tumor cells by these viruses can lead to direct lysis or induction of immune responses. However, the immunosuppressive tumor microenvironment (TME) is considered a significant challenge for oncolytic virotherapy in treating cancer. Based on OV type, hypoxic conditions in the TME can accelerate or repress virus replication. Therefore, genetic manipulation of OVs or other molecular modifications to reduce hypoxia can induce antitumor responses. Moreover, using OVs with tumor lysis capability in the hypoxic TME may be an attractive strategy to overcome the limitations of the therapy. This review summarizes the latest information available in the field of cancer virotherapy and discusses the dual effect of hypoxia on different types of OVs to optimize available related therapeutic methods.
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Affiliation(s)
- Maryam Sadri
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Najafi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Rahimi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Nafiseh Behranvand
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Kazemi
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
| | - Reza Falak
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Copeland CA, Olenchock BA, Ziehr D, McGarrity S, Leahy K, Young JD, Loscalzo J, Oldham WM. MYC overrides HIF-1α to regulate proliferating primary cell metabolism in hypoxia. eLife 2023; 12:e82597. [PMID: 37428010 DOI: 10.7554/elife.82597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 06/27/2023] [Indexed: 07/11/2023] Open
Abstract
Hypoxia requires metabolic adaptations to sustain energetically demanding cellular activities. While the metabolic consequences of hypoxia have been studied extensively in cancer cell models, comparatively little is known about how primary cell metabolism responds to hypoxia. Thus, we developed metabolic flux models for human lung fibroblast and pulmonary artery smooth muscle cells proliferating in hypoxia. Unexpectedly, we found that hypoxia decreased glycolysis despite activation of hypoxia-inducible factor 1α (HIF-1α) and increased glycolytic enzyme expression. While HIF-1α activation in normoxia by prolyl hydroxylase (PHD) inhibition did increase glycolysis, hypoxia blocked this effect. Multi-omic profiling revealed distinct molecular responses to hypoxia and PHD inhibition, and suggested a critical role for MYC in modulating HIF-1α responses to hypoxia. Consistent with this hypothesis, MYC knockdown in hypoxia increased glycolysis and MYC over-expression in normoxia decreased glycolysis stimulated by PHD inhibition. These data suggest that MYC signaling in hypoxia uncouples an increase in HIF-dependent glycolytic gene transcription from glycolytic flux.
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Affiliation(s)
- Courtney A Copeland
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
| | - Benjamin A Olenchock
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
| | - David Ziehr
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
- Department of Medicine, Massachusetts General Hospital, Boston, United States
| | - Sarah McGarrity
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
- Center for Systems Biology, School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Kevin Leahy
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
| | - Jamey D Young
- Departments of Chemical & Biomolecular Engineering and Molecular Physiology & Biophysics, Vanderbilt University, Nashville, United States
| | - Joseph Loscalzo
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
| | - William M Oldham
- Department of Medicine, Brigham and Women's Hospital, Boston, United States
- Department of Medicine, Harvard Medical School, Boston, United States
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Lee MK, Zhang X, Kim HJ, Hwang YS. Peroxiredoxin 5 is involved in cancer cell invasion and tumor growth of oral squamous cell carcinoma. Oral Dis 2023; 29:423-435. [PMID: 33969595 DOI: 10.1111/odi.13910] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 04/27/2021] [Accepted: 05/02/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Peroxiredoxins (Prxs) are antioxidant enzymes that can coordinate cell signal transduction via reactive species scavenging or by acting as redox sensors. The mechanism by which Prxs promote cancer invasion and progression is not yet fully understood. This study aims to elucidate the precise mechanism through which Prx type 5 (Prx5) promotes cancer invasion and tumor growth. MATERIALS AND METHODS We analyzed the Prx5 expression in oral squamous cell carcinoma (OSCC) by using microarray analysis for gene expression profiling. To identify Prx5 function in cancer, lentiviral short hairpin RNA was used for Prx5 depletion, and invasion assay and mouse xenograft were performed. RESULTS In microarray data obtained from OSCC patients, Prx5 showed higher expression at the tumor margin (TM) compared to the tumor center (TC) of the collective invasion. The depletion of Prx5 in OSCC cells (Prx5dep ) led to decreased invasion activity. In orthotopic xenograft models, Prx5dep cells harbored delimited tumorigenicity compared to wild-type cells as well as the suppression of lymph node metastasis. Prx5dep cells showed growth retardation and increased cellular reactive oxygen species (ROS) levels. The growth retardation of Prx5dep cells resulted in G1 phase arrest. CONCLUSIONS This study provides evidence that Prx5 removes excess ROS, especially in the TM, contributing to cancer invasion and tumor progression.
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Affiliation(s)
- Min Kyeong Lee
- Department of Dental Hygiene, College of Health Science, Eulji University, Republic of Korea
| | - Xianglan Zhang
- Department of Pathology, Yanbian University Hospital, Yanji, China.,Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Hyung Jun Kim
- Department of Oral Maxillofacial Surgery, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Young Sun Hwang
- Department of Dental Hygiene, College of Health Science, Eulji University, Republic of Korea
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11
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Regorafenib Induces Senescence and Epithelial-Mesenchymal Transition in Colorectal Cancer to Promote Drug Resistance. Cells 2022; 11:cells11223663. [PMID: 36429091 PMCID: PMC9688587 DOI: 10.3390/cells11223663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Potential intrinsic resistance mechanisms to regorafenib were explored after short exposure (3 days) on five CRC cell lines (HCT-116, SW1116, LS-1034, SW480, Caco-2). The observation of senescence-like features led to the investigation of a drug-initiated phenotype switch. Following long-term exposure (12 months) of HCT-116 and SW480 cell lines to regorafenib, we developed resistant models to explore acquired resistance. SW480 cells demonstrated senescent-like properties, including a cell arrest in the late G2/prophase cell cycle stage and a statistically significant decrease in the expression of G1 Cyclin-Dependent Kinase inhibitors and key cell cycle regulators. A specific senescence-associated secretome was also observed. In contrast, HCT-116 treated cells presented early senescent features and developed acquired resistance triggering EMT and a more aggressive phenotype over time. The gained migration and invasion ability by long-exposed cells was associated with the increased expression level of key cellular and extracellular EMT-related factors. The PI3K/AKT pathway was a significant player in the acquired resistance of HCT-116 cells, possibly related to a PI3KCA mutation in this cell line. Our findings provide new insights into the phenotypic plasticity of CRC cells able, under treatment pressure, to acquire a stable TIS or to use an early senescence state to undergo EMT.
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12
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Torres-Soria AK, Romero Y, Balderas-Martínez YI, Velázquez-Cruz R, Torres-Espíndola LM, Camarena A, Flores-Soto E, Solís-Chagoyán H, Ruiz V, Carlos-Reyes Á, Salinas-Lara C, Luis-García ER, Chávez J, Castillejos-López M, Aquino-Gálvez A. Functional Repercussions of Hypoxia-Inducible Factor-2α in Idiopathic Pulmonary Fibrosis. Cells 2022; 11:cells11192938. [PMID: 36230900 PMCID: PMC9562026 DOI: 10.3390/cells11192938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Hypoxia and hypoxia-inducible factors (HIFs) are essential in regulating several cellular processes, such as survival, differentiation, and the cell cycle; this adaptation is orchestrated in a complex way. In this review, we focused on the impact of hypoxia in the physiopathology of idiopathic pulmonary fibrosis (IPF) related to lung development, regeneration, and repair. There is robust evidence that the responses of HIF-1α and -2α differ; HIF-1α participates mainly in the acute phase of the response to hypoxia, and HIF-2α in the chronic phase. The analysis of their structure and of different studies showed a high specificity according to the tissue and the process involved. We propose that hypoxia-inducible transcription factor 2a (HIF-2α) is part of the persistent aberrant regeneration associated with developing IPF.
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Affiliation(s)
- Ana Karen Torres-Soria
- Red MEDICI, Carrera de Médico Cirujano, Facultad de Estudios Superiores de Iztacala Universidad Nacional Autónoma de México, Mexico City 54090, Mexico
| | - Yair Romero
- Facultad de Ciencias, Universidad Nacional Autónoma México, Mexico City 04510, Mexico
| | - Yalbi I. Balderas-Martínez
- Laboratorio de Biología Computacional, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
| | - Rafael Velázquez-Cruz
- Laboratorio de Genómica del Metabolismo Óseo, Instituto Nacional de Medicina Genómica, Mexico City 14610, Mexico
| | | | - Angel Camarena
- Laboratorio de HLA, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 04530, Mexico
| | - Edgar Flores-Soto
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
| | - Héctor Solís-Chagoyán
- Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
| | - Víctor Ruiz
- Departamento de Fibrosis Pulmonar, Laboratorio de Biología Molecular, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
| | - Ángeles Carlos-Reyes
- Laboratorio de Onco-Inmunobiología, Departamento de Enfermedades Crónico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
| | - Citlaltepetl Salinas-Lara
- Red MEDICI, Carrera de Médico Cirujano, Facultad de Estudios Superiores de Iztacala Universidad Nacional Autónoma de México, Mexico City 54090, Mexico
| | - Erika Rubí Luis-García
- Departamento de Fibrosis Pulmonar, Laboratorio de Biología Celular, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
| | - Jaime Chávez
- Departamento de Hiperreactividad Bronquial, Instituto Nacional de Enfermedades, Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
| | - Manuel Castillejos-López
- Departamento de Epidemiología y Estadística, Instituto Nacional de Enfermedades, Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
- Correspondence: (M.C.-L.); (A.A.-G.)
| | - Arnoldo Aquino-Gálvez
- Departamento de Fibrosis Pulmonar, Laboratorio de Biología Molecular, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico
- Correspondence: (M.C.-L.); (A.A.-G.)
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13
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Identification of Body Size Determination Related Candidate Genes in Domestic Pig Using Genome-Wide Selection Signal Analysis. Animals (Basel) 2022; 12:ani12141839. [PMID: 35883386 PMCID: PMC9312078 DOI: 10.3390/ani12141839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 01/03/2023] Open
Abstract
This study aimed to identify the genes related to the body size of pigs by conducting genome-wide selection analysis (GWSA). We performed a GWSA scan on 50 pigs belonging to four small-bodied pig populations (Diannan small-eared pig, Bama Xiang pig, Wuzhishan pig, and Jeju black pig from South Korea) and 124 large-bodied pigs. We used the genetic parameters of the pairwise fixation index (FST) and π ratio (case/control) to screen candidate genome regions and genes related to body size. The results revealed 47,339,509 high-quality SNPs obtained from 174 individuals, while 280 interacting candidate regions were obtained from the top 1% signal windows of both parameters, along with 187 genes (e.g., ADCK4, AMDHD2, ASPN, ASS1, and ATP6V0C). The results of the candidate gene (CG) annotation showed that a series of CGs (e.g., MSTN, LTBP4, PDPK1, PKMYT1, ASS1, and STAT6) was enriched into the gene ontology terms. Moreover, molecular pathways, such as the PI3K-Akt, HIF-1, and AMPK signaling pathways, were verified to be related to body development. Overall, we identified a series of key genes that may be closely related to the body size of pigs, further elucidating the heredity basis of body shape determination in pigs and providing a theoretical reference for molecular breeding.
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14
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Dutta A, Sarkar P, Shrivastava S, Chattopadhyay A. Effect of Hypoxia on the Function of the Human Serotonin 1A Receptor. ACS Chem Neurosci 2022; 13:1456-1466. [PMID: 35467841 DOI: 10.1021/acschemneuro.2c00181] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Cellular hypoxia causes numerous pathophysiological conditions associated with the disruption of oxygen homeostasis. Under oxygen-deficient conditions, cells adapt by controlling the cellular functions to facilitate the judicious use of available oxygen, such as cessation of cell growth and proliferation. In higher eukaryotes, the process of cholesterol biosynthesis is intimately coupled to the availability of oxygen, where the synthesis of one molecule of cholesterol requires 11 molecules of O2. Cholesterol is an essential component of higher eukaryotic membranes and is crucial for the physiological functions of several membrane proteins and receptors. The serotonin1A receptor, an important neurotransmitter G protein-coupled receptor associated with cognition and memory, has previously been shown to depend on cholesterol for its signaling and function. In this work, in order to explore the interdependence of oxygen levels, cholesterol biosynthesis, and the function of the serotonin1A receptor, we developed a cellular hypoxia model to explore the function of the human serotonin1A receptor heterologously expressed in Chinese hamster ovary cells. We observed cell cycle arrest at G1/S phase and the accumulation of lanosterol in cell membranes under hypoxic conditions, thereby validating our cellular model. Interestingly, we observed a significant reduction in ligand binding and disruption of downstream cAMP signaling of the serotonin1A receptor under hypoxic conditions. To the best of our knowledge, our results represent the first report linking the function of the serotonin1A receptor with hypoxia. From a broader perspective, these results contribute to our overall understanding of the molecular basis underlying neurological conditions often associated with hypoxia-induced brain dysfunction.
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Affiliation(s)
- Aritri Dutta
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad 500 007, India
| | - Parijat Sarkar
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad 500 007, India
| | - Sandeep Shrivastava
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Hyderabad 500 007, India
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15
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Sadhukhan S, Mishra PK. A multi-layered hybrid model for cancer cell invasion. Med Biol Eng Comput 2022; 60:1075-1098. [DOI: 10.1007/s11517-022-02514-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 01/17/2022] [Indexed: 12/01/2022]
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16
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Aird R, Wills J, Roby KF, Bénézech C, Stimson RH, Wabitsch M, Pollard JW, Finch A, Michailidou Z. Hypoxia-driven metabolic reprogramming of adipocytes fuels cancer cell proliferation. Front Endocrinol (Lausanne) 2022; 13:989523. [PMID: 36329893 PMCID: PMC9623062 DOI: 10.3389/fendo.2022.989523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/15/2022] [Indexed: 12/05/2022] Open
Abstract
OBJECTIVE Obesity increases the risk of certain cancers, especially tumours that reside close to adipose tissue (breast and ovarian metastasis in the omentum). The obesogenic and tumour micro-environment share a common pathogenic feature, oxygen deprivation (hypoxia). Here we test how hypoxia changes the metabolome of adipocytes to assist cancer cell growth. METHODS Human and mouse breast and ovarian cancer cell lines were co-cultured with human and mouse adipocytes respectively under normoxia or hypoxia. Proliferation and lipid uptake in cancer cells were measured by commercial assays. Metabolite changes under normoxia or hypoxia were measured in the media of human adipocytes by targeted LC/MS. RESULTS Hypoxic cancer-conditioned media increased lipolysis in both human and mouse adipocytes. This led to increased transfer of lipids to cancer cells and consequent increased proliferation under hypoxia. These effects were dependent on HIF1α expression in adipocytes, as mouse adipocytes lacking HIF1α showed blunted responses under hypoxic conditions. Targeted metabolomics of the human Simpson-Golabi-Behmel syndrome (SGBS) adipocytes media revealed that culture with hypoxic-conditioned media from non-malignant mammary epithelial cells (MCF10A) can alter the adipocyte metabolome and drive proliferation of the non-malignant cells. CONCLUSION Here, we show that hypoxia in the adipose-tumour microenvironment is the driving force of the lipid uptake in both mammary and ovarian cancer cells. Hypoxia can modify the adipocyte metabolome towards accelerated lipolysis, glucose deprivation and reduced ketosis. These metabolic shifts in adipocytes could assist both mammary epithelial and cancer cells to bypass the inhibitory effects of hypoxia on proliferation and thrive.
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Affiliation(s)
- R. Aird
- University/British Heart Foundation (BHF) Centre for Cardiovascular Science, Edinburgh University, Edinburgh, United Kingdom
| | - J. Wills
- MRC Institute of Genetics and Molecular Medicine, Edinburgh University, Edinburgh, United Kingdom
| | - K. F. Roby
- University of Kansas Medical Center, Kansas City, Kansas, KS, United States
| | - C. Bénézech
- University/British Heart Foundation (BHF) Centre for Cardiovascular Science, Edinburgh University, Edinburgh, United Kingdom
| | - R. H. Stimson
- University/British Heart Foundation (BHF) Centre for Cardiovascular Science, Edinburgh University, Edinburgh, United Kingdom
| | - M. Wabitsch
- University Medical Center Department of Pediatrics and Adolescent Medicine, Ulm, Germany
| | - J. W. Pollard
- Medical Research Council (MRC) Centre for Reproductive Health, Edinburgh University, Edinburgh, United Kingdom
| | - A. Finch
- Centre for Tumour Biology, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Z. Michailidou
- University/British Heart Foundation (BHF) Centre for Cardiovascular Science, Edinburgh University, Edinburgh, United Kingdom
- *Correspondence: Z. Michailidou,
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17
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Testing Hypoxia in Pig Meniscal Culture: Biological Role of the Vascular-Related Factors in the Differentiation and Viability of Neonatal Meniscus. Int J Mol Sci 2021; 22:ijms222212465. [PMID: 34830345 PMCID: PMC8617958 DOI: 10.3390/ijms222212465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/13/2021] [Accepted: 11/15/2021] [Indexed: 12/13/2022] Open
Abstract
Menisci play an essential role in shock absorption, joint stability, load resistance and its transmission thanks to their conformation. Adult menisci can be divided in three zones based on the vascularization: an avascular inner zone with no blood supply, a fully vascularized outer zone, and an intermediate zone. This organization, in addition to the incomplete knowledge about meniscal biology, composition, and gene expression, makes meniscal regeneration still one of the major challenges both in orthopedics and in tissue engineering. To overcome this issue, we aimed to investigate the role of hypoxia in the differentiation of the three anatomical areas of newborn piglet menisci (anterior horn (A), central body (C), and posterior horn (P)) and its effects on vascular factors. After sample collection, menisci were divided in A, C, P, and they were cultured in vitro under hypoxic (1% O2) and normoxic (21% O2) conditions at four different experimental time points (T0 = day of explant; T7 = day 7; T10 = day 10; T14 = day 14); samples were then evaluated through immune, histological, and molecular analyses, cell morpho-functional characteristics; with particular focus on matrix composition and expression of vascular factors. It was observed that hypoxia retained the initial phenotype of cells and induced extracellular matrix production resembling a mature tissue. Hypoxia also modulated the expression of angiogenic factors, especially in the early phase of the study. Thus, we observed that hypoxia contributes to the fibro-chondrogenic differentiation with the involvement of angiogenic factors, especially in the posterior horn, which corresponds to the predominant weight-bearing portion.
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18
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In silico simulation of the effect of hypoxia on MCF-7 cell cycle kinetics under fractionated radiotherapy. J Biol Phys 2021; 47:301-321. [PMID: 34533654 DOI: 10.1007/s10867-021-09580-x] [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: 04/09/2021] [Accepted: 08/13/2021] [Indexed: 10/20/2022] Open
Abstract
The treatment outcome of a given fractionated radiotherapy scheme is affected by oxygen tension and cell cycle kinetics of the tumor population. Numerous experimental studies have supported the variability of radiosensitivity with cell cycle phase. Oxygen modulates the radiosensitivity through hypoxia-inducible factor (HIF) stabilization and oxygen fixation hypothesis (OFH) mechanism. In this study, an existing mathematical model describing cell cycle kinetics was modified to include the oxygen-dependent G1/S transition rate and radiation inactivation rate. The radiation inactivation rate used was derived from the linear-quadratic (LQ) model with dependence on oxygen enhancement ratio (OER), while the oxygen-dependent correction for the G1/S phase transition was obtained from numerically solving the ODE system of cyclin D-HIF dynamics at different oxygen tensions. The corresponding cell cycle phase fractions of aerated MCF-7 tumor population, and the resulting growth curve obtained from numerically solving the developed mathematical model were found to be comparable to experimental data. Two breast radiotherapy fractionation schemes were investigated using the mathematical model. Results show that hypoxia causes the tumor to be more predominated by the tumor subpopulation in the G1 phase and decrease the fractional contribution of the more radioresistant tumor cells in the S phase. However, the advantage provided by hypoxia in terms of cell cycle phase distribution is largely offset by the radioresistance developed through OFH. The delayed proliferation caused by severe hypoxia slightly improves the radiotherapy efficacy compared to that with mild hypoxia for a high overall treatment duration as demonstrated in the 40-Gy fractionation scheme.
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19
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Luczak MW, Krawic C, Zhitkovich A. NAD + metabolism controls growth inhibition by HIF1 in normoxia and determines differential sensitivity of normal and cancer cells. Cell Cycle 2021; 20:1812-1827. [PMID: 34382917 DOI: 10.1080/15384101.2021.1959988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The hypoxia-induced transcription factor HIF1 inhibits cell growth in normoxia through poorly understood mechanisms. A constitutive upregulation of hypoxia response is associated with increased malignancy, indicating a loss of antiproliferative effects of HIF1 in cancer cells. To understand these differences, we examined a control of cell cycle in primary human cells with activated hypoxia response in normoxia. Activated HIF1 caused a global slowdown of cell cycle progression through G1, S and G2 phases leading to the loss of mitotic cells. Cell cycle inhibition required a prolonged HIF1 activation and was not associated with upregulation of p53 or the CDK inhibitors p16, p21 or p27. Growth inhibition by HIF1 was independent of its Asn803 hydroxylation or the presence of HIF2. Antiproliferative effects of hypoxia response were alleviated by inhibition of lactate dehydrogenase and more effectively, by boosting cellular production of NAD+, which was decreased by HIF1 activation. In comparison to normal cells, various cancer lines showed several fold-higher expression of NAMPT which is a rate-limiting enzyme in the main biosynthetic pathway for NAD+. Inhibition of NAMPT activity in overexpressor cancer cells sensitized them to antigrowth effects of HIF1. Thus, metabolic changes in cancer cells, such as enhanced NAD+ production, create resistance to growth-inhibitory activity of HIF1 permitting manifestation of its tumor-promoting properties.AbbreviationsDMOG: dimethyloxalylglycine, DM-NOFD: dimethyl N-oxalyl-D-phenylalanine, NMN: β-nicotinamide mononucleotide.
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Affiliation(s)
- Michal W Luczak
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Casey Krawic
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Anatoly Zhitkovich
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
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20
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Otero-Albiol D, Carnero A. Cellular senescence or stemness: hypoxia flips the coin. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:243. [PMID: 34325734 PMCID: PMC8323321 DOI: 10.1186/s13046-021-02035-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/05/2021] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a complex physiological state whose main feature is proliferative arrest. Cellular senescence can be considered the reverse of cell immortalization and continuous tumor growth. However, cellular senescence has many physiological functions beyond being a putative tumor suppressive trait. It remains unknown whether low levels of oxygen or hypoxia, which is a feature of every tissue in the organism, modulate cellular senescence, altering its capacity to suppress the limitation of proliferation. It has been observed that the lifespan of mammalian primary cells is increased under low oxygen conditions. Additionally, hypoxia promotes self-renewal and pluripotency maintenance in adult and embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs) and cancer stem cells (CSCs). In this study, we discuss the role of hypoxia facilitating senescence bypass during malignant transformation and acquisition of stemness properties, which all contribute to tumor development and cancer disease aggressiveness.
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Affiliation(s)
- Daniel Otero-Albiol
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013, Seville, Spain.,CIBER de CANCER, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Avda. Manuel Siurot s/n, 41013, Seville, Spain. .,CIBER de CANCER, Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
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21
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Kumar Singh R, Pei Y, Bose D, Lamplugh ZL, Sun K, Yuan Y, Lieberman P, You J, Robertson ES. KSHV-encoded vCyclin can modulate HIF1α levels to promote DNA replication in hypoxia. eLife 2021; 10:57436. [PMID: 34279223 PMCID: PMC8315796 DOI: 10.7554/elife.57436] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 07/17/2021] [Indexed: 12/13/2022] Open
Abstract
The cellular adaptive response to hypoxia, mediated by high HIF1α levels includes metabolic reprogramming, restricted DNA replication and cell division. In contrast to healthy cells, the genome of cancer cells, and Kaposi’s sarcoma associated herpesvirus (KSHV) infected cells maintains replication in hypoxia. We show that KSHV infection, despite promoting expression of HIF1α in normoxia, can also restrict transcriptional activity, and promoted its degradation in hypoxia. KSHV-encoded vCyclin, expressed in hypoxia, mediated HIF1α cytosolic translocation, and its degradation through a non-canonical lysosomal pathway. Attenuation of HIF1α levels by vCyclin allowed cells to bypass the block to DNA replication and cell proliferation in hypoxia. These results demonstrated that KSHV utilizes a unique strategy to balance HIF1α levels to overcome replication arrest and induction of the oncogenic phenotype, which are dependent on the levels of oxygen in the microenvironment.
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Affiliation(s)
- Rajnish Kumar Singh
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States.,Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Yonggang Pei
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Dipayan Bose
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Zachary L Lamplugh
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Kunfeng Sun
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Yan Yuan
- Department of Microbiology, Levy Building, School of Dental Medicine, University of Pennsylvania, Philadelphia, United States
| | - Paul Lieberman
- Program in Gene Regulation, The Wistar Institute, Philadelphia, United States
| | - Jianxin You
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Erle S Robertson
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
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22
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Li C, Liu Z, Wu G, Zang Z, Zhang JQ, Li X, Tao J, Shen M, Liu H. FOXO1 mediates hypoxia-induced G0/G1 arrest in ovarian somatic granulosa cells by activating the TP53INP1-p53-CDKN1A pathway. Development 2021; 148:269228. [PMID: 34152408 DOI: 10.1242/dev.199453] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 06/13/2021] [Indexed: 12/14/2022]
Abstract
The development of ovarian follicles constitutes the foundation of female reproduction. The proliferation of granulosa cells (GCs) is a basic process required to ensure normal follicular development. However, the mechanisms involved in controlling GC cell cycle are not fully understood. Here, by performing gene expression profiling in the domestic pig (Sus scrofa), we showed that cell cycle arrest at G0/G1 phase is highly correlated with pathways associated with hypoxic stress and FOXO signalling. Specifically, the elevated proportion of GCs at the arrested G0/G1 phase was accompanied by increased nuclear translocation of FOXO1 under conditions of hypoxia both in vivo and in vitro. Furthermore, phosphorylation of 14-3-3 by the JNK kinase is required for hypoxia-mediated FOXO1 activation and the resultant G0/G1 arrest. Notably, a FOXO1 mutant without DNA-binding activity failed to induce G0/G1 arrest of GCs during hypoxia. Importantly, we identified a new target gene of FOXO1, namely TP53INP1, which contributes to suppression of the G1-S cell cycle transition in response to hypoxia. Furthermore, we demonstrated that the inhibitory effect of the FOXO1-TP53INP1 axis on the GC cell cycle is mediated through a p53-CDKN1A-dependent mechanism. These findings could provide avenues for the clinical treatment of human infertility caused by impaired follicular development.
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Affiliation(s)
- Chengyu Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhaojun Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Gang Wu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ziyu Zang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jia-Qing Zhang
- Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Xiaoxuan Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jingli Tao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ming Shen
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Honglin Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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Rashid M, Zadeh LR, Baradaran B, Molavi O, Ghesmati Z, Sabzichi M, Ramezani F. Up-down regulation of HIF-1α in cancer progression. Gene 2021; 798:145796. [PMID: 34175393 DOI: 10.1016/j.gene.2021.145796] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 04/25/2021] [Accepted: 06/22/2021] [Indexed: 12/19/2022]
Abstract
Hypoxia induicible factor-1 alpha (HIF-1α) is a key transcription factor in cancer progression and target therapy in cancer. HIF-1α acts differently depending on presence or absence of Oxygen. In an oxygen-immersed environment, HIF-1α completely deactivated and destroyed by the ubiquitin proteasome pathway (UPP). In contrast, in the oxygen-free environment, it escapes destruction and enters to the nucleus of cells then upregulates many genes involved in cancer progression. Overexpressed HIF-1α and downstream genes support cancer progression through various mechanisms including angiogenesis, proliferation and survival of cells, metabolism reprogramming, invasion and metastasis, cancer stem cell maintenance, induction of genetic instability, and treatment resistance. HIF-1α can be provoked by signaling pathways unrelated to hypoxia during cancer progression. Therefore, cancer development and progression can be modulated by targeting HIF-1α and its downstream signaling molecules. In this regard, HIF-1α inhibitors which are categorized into the agents that regulate HIF-1α in gene, mRNA and protein levels used as an efficient way in cancer treatment. Also, HIF-1α expression can be negatively affected by the agents suppressing the activation of mTOR, PI3k/Akt and MAPK pathways.
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Affiliation(s)
- Mohsen Rashid
- Department of Molecular Medicine, School of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Rostami Zadeh
- Department of Molecular Medicine, School of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Department of Molecular Medicine, School of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran; Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ommoleila Molavi
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zeinab Ghesmati
- Department of Medical Biotechnology, School of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Sabzichi
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Fatemeh Ramezani
- Department of Molecular Medicine, School of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran.
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Sadhukhan S, Mishra PK, Basu SK, Mandal JK. A multi-scale agent-based model for avascular tumour growth. Biosystems 2021; 206:104450. [PMID: 34098060 DOI: 10.1016/j.biosystems.2021.104450] [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: 08/02/2020] [Revised: 05/27/2021] [Accepted: 05/31/2021] [Indexed: 10/21/2022]
Abstract
In this paper, we have developed a multi-scale, lattice-free, agent based model of avascular tumour growth in epithelial tissue. The model integrates different events to identify the underlying diversity within intracellular, cellular, and extracellular layer dynamics. The model considers every cell as an agent. A cellular agent may proliferate, spawns two identical daughter agents, or it may be transformed into other phenotypes during its life time depending on its internal proteins' activity as well as its external microenvironment. In this context, a simplified age-structured cell cycle model is adopted from the existing literature. The model considers that the intracellular events are regulated by p27 gene expression. In this model, p27 protein controls the overall tumour growth dynamics. Moreover, p27 is controlled by the external oxygen and nutrients that are modelled with the reaction-diffusion equations. The model also considers several biophysical forces which directly effect on the tumour growth dynamics. This modelling framework offers biologically realistic outcomes and also covers important criteria of the hallmarks of cancer which include oxygen and nutrient consumptions, micro-environmental heterogeneity, tumour cell proliferation by avoiding growth suppressor signals, replication of tumour cells at an abnormally faster rate, and resistance of apoptosis. The avascular tumour growth model is validated with immunohistochemistry and histopathology data. The outcome of the proposed model is very close to the range of the patient data, which concludes that the model is capable enough to mimic these complex biophysical phenomena.
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Affiliation(s)
- Sounak Sadhukhan
- Department of Computer Science, Banaras Hindu University, Institute of Science, Varanasi 221005, India.
| | - P K Mishra
- Department of Computer Science, Banaras Hindu University, Institute of Science, Varanasi 221005, India.
| | - S K Basu
- Department of Computer Science, Banaras Hindu University, Institute of Science, Varanasi 221005, India.
| | - J K Mandal
- Department of Computer Science and Engineering, University of Kalyani, West Bengal 741235, India.
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25
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Li C, Liu Z, Zhou J, Meng X, Liu S, Li W, Zhang X, Zhou J, Yao W, Dong C, Cao Y, Li R, Chen B, Jiang A, Jiang Y, Ning C, Zhao F, Wei Y, Sun SC, Tao J, Wu W, Shen M, Liu H. Insulin-like growth factor-I prevents hypoxia-inducible factor-1 alpha-dependent G1/S arrest by activating cyclin E/cyclin-dependent kinase2 via the phoshatidylinositol-3 kinase/AKT/forkhead box O1/Cdkn1b pathway in porcine granulosa cells†. Biol Reprod 2021; 102:116-132. [PMID: 31435642 DOI: 10.1093/biolre/ioz162] [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: 02/26/2019] [Revised: 05/23/2019] [Accepted: 08/12/2019] [Indexed: 11/13/2022] Open
Abstract
As the follicle develops, the thickening of the granulosa compartment leads to progressively deficient supply of oxygen in granulosa cells (GCs) due to the growing distances from the follicular vessels. These conditions are believed to cause hypoxia in GCs during folliculogenesis. Upon hypoxic conditions, several types of mammalian cells have been reported to undergo cell cycle arrest. However, it remains unclear whether hypoxia exerts any impact on cell cycle progression of GCs. On the other hand, although the GCs may live in a hypoxic environment, their mitotic capability appears to be unaffected in growing follicles. It thus raises the question whether there are certain intraovarian factors that might overcome the inhibitory effects of hypoxia. The present study provides the first evidence suggesting that cobalt chloride (CoCl2)-mimicked hypoxia prevented G1-to-S cell cycle progression in porcine GCs. In addition, we demonstrated that the inhibitory effects of CoCl2 on GCs cell cycle are mediated through hypoxia-inducible factor-1 alpha/FOXO1/Cdkn1b pathway. Moreover, we identified insulin-like growth factor-I (IGF-I) as an intrafollicular factor required for cell cycle recovery by binding to IGF-I receptor in GCs suffering CoCl2 stimulation. Further investigations confirmed a role of IGF-I in preserving G1/S progression of CoCl2-treated GCs via activating the cyclin E/cyclin-dependent kinase2 complex through the phoshatidylinositol-3 kinase/protein kinase B (AKT)/FOXO1/Cdkn1b axis. Although the present findings were based on a hypoxia mimicking model by using CoCl2, our study might shed new light on the regulatory mechanism of GCs cell cycle upon hypoxic stimulation.
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Affiliation(s)
- Chengyu Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhaojun Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiaqi Zhou
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Xueqin Meng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shuo Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Weijian Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Xue Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jilong Zhou
- Institute of Stem Cell and Regenerative Biology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Wang Yao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Chao Dong
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yan Cao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Rongyang Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Baobao Chen
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Aiwen Jiang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yi Jiang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Caibo Ning
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Fang Zhao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yinghui Wei
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jingli Tao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Wangjun Wu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ming Shen
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Honglin Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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Resistance of Hypoxic Cells to Ionizing Radiation Is Mediated in Part via Hypoxia-Induced Quiescence. Cells 2021; 10:cells10030610. [PMID: 33801903 PMCID: PMC7998378 DOI: 10.3390/cells10030610] [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: 02/09/2021] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 12/19/2022] Open
Abstract
Double strand breaks (DSBs) are highly toxic to a cell, a property that is exploited in radiation therapy. A critical component for the damage induction is cellular oxygen, making hypoxic tumor areas refractory to the efficacy of radiation treatment. During a fractionated radiation regimen, these hypoxic areas can be re-oxygenated. Nonetheless, hypoxia still constitutes a negative prognostic factor for the patient’s outcome. We hypothesized that this might be attributed to specific hypoxia-induced cellular traits that are maintained upon reoxygenation. Here, we show that reoxygenation of hypoxic non-transformed RPE-1 cells fully restored induction of DSBs but the cells remain radioresistant as a consequence of hypoxia-induced quiescence. With the use of the cell cycle indicators (FUCCI), cell cycle-specific radiation sensitivity, the cell cycle phase duration with live cell imaging, and single cell tracing were assessed. We observed that RPE-1 cells experience a longer G1 phase under hypoxia and retain a large fraction of cells that are non-cycling. Expression of HPV oncoprotein E7 prevents hypoxia-induced quiescence and abolishes the radioprotective effect. In line with this, HPV-negative cancer cell lines retain radioresistance, while HPV-positive cancer cell lines are radiosensitized upon reoxygenation. Quiescence induction in hypoxia and its HPV-driven prevention was observed in 3D multicellular spheroids. Collectively, we identify a new hypoxia-dependent radioprotective phenotype due to hypoxia-induced quiescence that accounts for a global decrease in radiosensitivity that can be retained upon reoxygenation and is absent in cells expressing oncoprotein E7.
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Jha PK, Vijay A, Prabhakar A, Chatterjee T, Nair V, Bajaj N, Kumar B, Sharma M, Ashraf MZ. Transcriptome Profiling Reveals the Endogenous Sponging Role of LINC00659 and UST-AS1 in High-Altitude Induced Thrombosis. Thromb Haemost 2021; 121:1497-1511. [PMID: 33580494 DOI: 10.1055/a-1390-1713] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND The pathophysiology of deep vein thrombosis (DVT) is considered as multifactorial, where thrombus formation is an interplay of genetic and acquired risk factors. Little is known about the expression profile and roles of long noncoding RNAs (lncRNAs) in human subjects developing DVT at high altitude. METHODS Using RNAseQ, we compared peripheral blood mRNA and lncRNA expression profile in human high-altitude DVT (HA-DVT) patients with high-altitude control subjects. We used DESeq to identify differentially expressed (DE) genes. We annotated the lncRNAs using NONCODE 3.0 database. In silico putative lncRNA-miRNA association study unravels the endogenous miRNA sponge associated with our candidate lncRNAs. These findings were validated by small-interfering RNA (siRNA) knockdown assay of the candidate lncRNAs conducted in primary endothelial cells. RESULTS We identified 1,524 DE mRNAs and 973 DE lncRNAs. Co-expressed protein-coding gene analysis resulted in a list of 722 co-expressed protein-coding genes with a Pearson correlation coefficients >0.7. The functional annotation of co-expressed genes and putative proteins revealed their involvement in the hypoxia, immune response, and coagulation cascade. Through its miRNA response elements to compete for miR-143 and miR-15, lncRNA-LINC00659 and UXT-AS1 regulate the expression of prothrombotic genes. Furthermore, in vitro RNA interference (siRNA) simultaneously suppressed lncRNAs and target gene mRNA level. CONCLUSION This transcriptome profile describes novel potential mechanisms of interaction between lncRNAs, the coding genes, miRNAs, and regulatory transcription factors that define the thrombotic signature and may be used in establishing lncRNAs as a biomarker in HA-DVT.
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Affiliation(s)
- Prabhash Kumar Jha
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organisation, Delhi, India
| | - Aatira Vijay
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organisation, Delhi, India
| | - Amit Prabhakar
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organisation, Delhi, India
| | | | - Velu Nair
- Armed Forces Medical College, Pune, Maharashtra, India
| | - Nitin Bajaj
- Command Hospital (Western Command), Chandimandir, Chandigarh, India
| | - Bhuvnesh Kumar
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organisation, Delhi, India
| | - Manish Sharma
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organisation, Delhi, India
| | - Mohammad Zahid Ashraf
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organisation, Delhi, India
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28
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Smith H, De Souza D, Tull D, McConville M, Pellagatti A, Boultwood J, Board M, Callaghan R. The utilisation of glutamine and glucose by a 3-D tumour model trapped in quiescence. Int J Biochem Cell Biol 2021; 133:105935. [PMID: 33529714 DOI: 10.1016/j.biocel.2021.105935] [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: 09/27/2020] [Revised: 01/06/2021] [Accepted: 01/08/2021] [Indexed: 11/29/2022]
Abstract
Solid tumours modify their metabolic strategy to ensure sufficient biomass and energy to maintain a high rate of proliferation. However, solid tumours are characterised by a high proportion of quiescent cells and little is known about their metabolic profile. A tumour spheroid model with DLD1 cells was used to investigate the influence of a quiescent state on the cellular utilisation of glucose and glutamine. Quiescent DLD1 spheroids displayed increased depletion of both nutrients from the bathing medium compared to their proliferative counterparts and displayed highly active overall metabolism. A combination of biochemical and metabolomics approaches demonstrated that glucose utilisation resulted in an increased production of the 3-carbon intermediates lactate and alanine in quiescent spheroids. In addition, glutamine metabolism was directed to anabolic pathways; including the "reverse TCA cycle" to produce citrate for fatty-acid synthesis. These adaptations in DLD1 spheroids may propose a metabolic altruism of quiescent regions in solid tumours to provide biosynthetic intermediates required to sustain tumour growth, angiogenesis and metastasis.
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Affiliation(s)
- Hannah Smith
- Nuffield Department of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - David De Souza
- Metabolomics Australia, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - Dedreia Tull
- Metabolomics Australia, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - Malcolm McConville
- Metabolomics Australia, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - Andrea Pellagatti
- Nuffield Department of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK; NIHR Oxford Biomedical Research Centre Haematology Theme, Oxford, UK
| | - Jacqueline Boultwood
- Nuffield Department of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK; NIHR Oxford Biomedical Research Centre Haematology Theme, Oxford, UK
| | - Mary Board
- Nuffield Department of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Richard Callaghan
- Nuffield Department of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK; Research School of Biology, and the Medical School, Australian National University Canberra, ACT 2601, Australia.
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Emami Nejad A, Najafgholian S, Rostami A, Sistani A, Shojaeifar S, Esparvarinha M, Nedaeinia R, Haghjooy Javanmard S, Taherian M, Ahmadlou M, Salehi R, Sadeghi B, Manian M. The role of hypoxia in the tumor microenvironment and development of cancer stem cell: a novel approach to developing treatment. Cancer Cell Int 2021; 21:62. [PMID: 33472628 PMCID: PMC7816485 DOI: 10.1186/s12935-020-01719-5] [Citation(s) in RCA: 272] [Impact Index Per Article: 90.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 12/11/2020] [Accepted: 12/16/2020] [Indexed: 12/13/2022] Open
Abstract
Hypoxia is a common feature of solid tumors, and develops because of the rapid growth of the tumor that outstrips the oxygen supply, and impaired blood flow due to the formation of abnormal blood vessels supplying the tumor. It has been reported that tumor hypoxia can: activate angiogenesis, thereby enhancing invasiveness and risk of metastasis; increase survival of tumor, as well as suppress anti-tumor immunity and hamper the therapeutic response. Hypoxia mediates these effects by several potential mechanisms: altering gene expression, the activation of oncogenes, inactivation of suppressor genes, reducing genomic stability and clonal selection. We have reviewed the effects of hypoxia on tumor biology and the possible strategiesto manage the hypoxic tumor microenvironment (TME), highlighting the potential use of cancer stem cells in tumor treatment.
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Affiliation(s)
- Asieh Emami Nejad
- Department of Biology, Payame Noor University (PNU), P.O.Box 19395-3697, Tehran, Iran
| | - Simin Najafgholian
- Department of Emergency Medicine, School of Medicine , Arak University of Medical Sciences, Arak, Iran
| | - Alireza Rostami
- Department of Surgery, School of Medicine Amiralmomenin Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Alireza Sistani
- Department of Emergency Medicine, School of Medicine Valiasr Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Samaneh Shojaeifar
- Department of Midwifery, Faculty of Nursing and Midwifery , Arak University of Medical Sciences , Arak, Iran
| | - Mojgan Esparvarinha
- Department of Immunology, School of Medicine , Tabriz University of Medical Sciences , Tabriz, Iran
| | - Reza Nedaeinia
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease , Isfahan University of Medical Sciences , Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences , Isfahan, Iran
| | - Marjan Taherian
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Ahmadlou
- Sciences Medical of University Arak, Hospital Amiralmomenin, Center Development Research Clinical, Arak, Iran
| | - Rasoul Salehi
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease , Isfahan University of Medical Sciences , Isfahan, Iran.,Department of Genetics and Molecular Biology, School of Medicine , Isfahan University of Medical Sciences , Isfahan, Iran
| | - Bahman Sadeghi
- Department of Health and Community Medicine, School of Medicine, Arak University of Medical Sciences, Arak, 3848176341, Iran.
| | - Mostafa Manian
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. .,Department of Medical Laboratory Science, Faculty of Medical Science Kermanshah Branch, Islamic Azad University, Imam Khomeini Campus, Farhikhtegan Bld., Shahid J'afari St., Kermanshah, 3848176341, Iran.
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Rakotomalala A, Escande A, Furlan A, Meignan S, Lartigau E. Hypoxia in Solid Tumors: How Low Oxygenation Impacts the "Six Rs" of Radiotherapy. Front Endocrinol (Lausanne) 2021; 12:742215. [PMID: 34539584 PMCID: PMC8445158 DOI: 10.3389/fendo.2021.742215] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 08/13/2021] [Indexed: 12/11/2022] Open
Abstract
Radiotherapy is an important component of cancer treatment, with approximately 50% of all cancer patients receiving radiation therapy during their course of illness. Nevertheless, solid tumors frequently exhibit hypoxic areas, which can hinder therapies efficacy, especially radiotherapy one. Indeed, hypoxia impacts the six parameters governing the radiotherapy response, called the « six Rs of radiation biology » (for Radiosensitivity, Repair, Repopulation, Redistribution, Reoxygenation, and Reactivation of anti-tumor immune response), by inducing pleiotropic cellular adaptions, such as cell metabolism rewiring, epigenetic landscape remodeling, and cell death weakening, with significant clinical repercussions. In this review, according to the six Rs, we detail how hypoxia, and associated mechanisms and pathways, impact the radiotherapy response of solid tumors and the resulting clinical implications. We finally illustrate it in hypoxic endocrine cancers through a focus on anaplastic thyroid carcinomas.
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Affiliation(s)
- Andria Rakotomalala
- Oscar Lambret center, Tumorigenesis and Resistance to Treatment Unit, Lille, France
- Univ. Lille, CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER – Cancer Heterogeneity Plasticity and Resistance to Therapies, Lille, France
| | - Alexandre Escande
- Oscar Lambret Center, Academic Radiation Oncology Department, Lille, France
- University of Lille, H. Warembourg School of Medicine, Lille, France
- CRIStAL UMR CNRS 9189, University of Lille, Villeneuve-d’Ascq, France
| | - Alessandro Furlan
- Oscar Lambret center, Tumorigenesis and Resistance to Treatment Unit, Lille, France
- Univ. Lille, CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER – Cancer Heterogeneity Plasticity and Resistance to Therapies, Lille, France
| | - Samuel Meignan
- Oscar Lambret center, Tumorigenesis and Resistance to Treatment Unit, Lille, France
- Univ. Lille, CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER – Cancer Heterogeneity Plasticity and Resistance to Therapies, Lille, France
- *Correspondence: Samuel Meignan,
| | - Eric Lartigau
- Oscar Lambret Center, Academic Radiation Oncology Department, Lille, France
- University of Lille, H. Warembourg School of Medicine, Lille, France
- CRIStAL UMR CNRS 9189, University of Lille, Villeneuve-d’Ascq, France
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Han Q, Han F, Fan Y, Lian B, Xiao J, Sun W, Han D, Kou H, Li C, Wu B. Notch3 is involved in the proliferation of renal cancer cells via regulation of cell cycle progression and HIF-2α. Oncol Lett 2020; 20:379. [PMID: 33154777 DOI: 10.3892/ol.2020.12242] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 09/15/2020] [Indexed: 12/20/2022] Open
Abstract
Renal cell carcinoma (RCC) is one of the most common malignant tumors of the urinary system. Although deregulation of the Notch signaling pathway is common in RCC and is involved in the tumorigenic process, the exact role of Notch3 and its underlying molecular mechanism in RCC, particularly in hypoxia, remain unknown. In the present study, RO4929097, a Notch3 inhibitor, was used to alter NICD3 expression. A Cell Counting Kit-8 assay, EdU incorporation assay, colony formation assay, flow cytometry and western blot analysis were used to investigate the effects of altered NICD3 expression on cell proliferation, cell cycle progression and HIF-2α protein expression. The results of western blot analysis showed that RO4929097 dose-dependently decreased the expression of Notch3 intracellular domain (NICD3) in 786-O and ACHN cells, which originate from clear cell RCC (ccRCC). The results of the Cell Counting Kit-8, EdU incorporation and colony formation assays demonstrated that downregulation of NICD3 significantly suppressed cell proliferation in both normoxia and hypoxia. In addition, flow cytometry and western blot analysis demonstrated that hypoxia (2% O2) promoted cell cycle progression in ccRCC cells with the increased expression of G1-S transition-associated proteins, namely cyclin-dependent kinase (CDK)4 and cyclin D1, while downregulation of NICD3 exerted negative effects on cell cycle progression, and the expression levels of CDK4 and cyclin D1. Furthermore, western blot analysis revealed that 2% O2-induced upregulated hypoxia-inducible factor-2α (HIF-2α) expression decreased following downregulation of NICD3 in 786-O and ACHN cells. Following transfection of the vector containing the NICD3 coding sequence, HIF-2α, CDK4, cyclin D1 and proliferating cell nuclear antigen expression, that were inhibited by RO4929097 in hypoxia, were rescued. Collectively, the results of the present study suggest that Notch3 is closely associated with the cell proliferation of ccRCC cells by regulating the cell cycle and HIF-2α.
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Affiliation(s)
- Qipeng Han
- Department of Urinary Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China.,Department of Urinary Surgery, General Hospital of Northern Theater Command, Shenyang, Liaoning 110001, P.R. China
| | - Fangzhu Han
- Center of Science Experiments, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Yisheng Fan
- Department of Urinary Surgery, General Hospital of Northern Theater Command, Shenyang, Liaoning 110001, P.R. China
| | - Bowen Lian
- Center of Science Experiments, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Jinyang Xiao
- Center of Science Experiments, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Wei Sun
- Department of Urinary Surgery, General Hospital of Northern Theater Command, Shenyang, Liaoning 110001, P.R. China
| | - Dongbing Han
- Department of Urinary Surgery, General Hospital of Northern Theater Command, Shenyang, Liaoning 110001, P.R. China
| | - Hongbo Kou
- Department of Urinary Surgery, General Hospital of Northern Theater Command, Shenyang, Liaoning 110001, P.R. China
| | - Chunyan Li
- Center of Science Experiments, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Bin Wu
- Department of Urinary Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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32
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Casciaro F, Borghesan M, Beretti F, Zavatti M, Bertucci E, Follo MY, Maraldi T, Demaria M. Prolonged hypoxia delays aging and preserves functionality of human amniotic fluid stem cells. Mech Ageing Dev 2020; 191:111328. [DOI: 10.1016/j.mad.2020.111328] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/07/2020] [Accepted: 08/09/2020] [Indexed: 01/10/2023]
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Large-Scale Profiling of Signaling Pathways Reveals a Distinct Demarcation between Normal and Extended Liver Resection. Cells 2020; 9:cells9051149. [PMID: 32392745 PMCID: PMC7290735 DOI: 10.3390/cells9051149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/30/2020] [Accepted: 05/03/2020] [Indexed: 12/20/2022] Open
Abstract
Despite numerous studies addressing normal liver regeneration, we still lack comprehensive understanding of the biological processes underlying failed liver regeneration. Therefore, we analyzed the activity of 271 intracellular signaling pathways (ISPs) by genome wide profiling of differentially expressed RNAs in murine liver tissue biopsies after normal hepatectomy (nHx; 68% of liver removed) and extended hepatectomy (eHx; 86% of liver removed). Comprehensive, genome-wide transcriptome profiling using RNAseq was performed in liver tissue obtained from mice (sham, nHx, and eHx) harvested 1, 8, 16, 32, and 48 h after operation (n = 3 per group) and the OncoFinder toolkit was used for an unsupervised, unbiased identification of intracellular signaling pathways (ISP) activity. We observed that the normal regenerative process requires a transient activation and silencing of approximately two dozen of ISPs. After nHx, the Akt Pathway represented with 13 branches, the Chromatin Pathway and the DDR Pathways dominated. After eHx, the ATM main pathway and two of its branches (Cell Survival; G2_M Checkpoint Arrest) dominated, as well as the Hypoxia Pathways. Further, 14 ISPs demonstrated a strong inverse regulation, with the Hedgehog and the Brca1 Main Pathways as chief activators after nHx, and the ATM Pathway(G2_M Checkpoint Arrest) as the dominating constraining response after eHx.
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Acosta‐Iborra B, Tiana M, Maeso‐Alonso L, Hernández‐Sierra R, Herranz G, Santamaria A, Rey C, Luna R, Puente‐Santamaria L, Marques MM, Marin MC, del Peso L, Jiménez B. Hypoxia compensates cell cycle arrest with progenitor differentiation during angiogenesis. FASEB J 2020; 34:6654-6674. [DOI: 10.1096/fj.201903082r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 03/03/2020] [Accepted: 03/11/2020] [Indexed: 12/30/2022]
Affiliation(s)
- Bárbara Acosta‐Iborra
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Maria Tiana
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
- IdiPaz, Instituto de Investigación Sanitaria del Hospital Universitario La Paz Madrid Spain
- CIBER de Enfermedades Respiratorias (CIBERES) Instituto de Salud Carlos III Madrid Spain
| | - Laura Maeso‐Alonso
- Departamento de Biología Molecular, Laboratorio de Diferenciación Celular y Diseño de Modelos Celulares Instituto de Biomedicina, Universidad de León León Spain
| | - Rosana Hernández‐Sierra
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Gonzalo Herranz
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Andrea Santamaria
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Carlos Rey
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Raquel Luna
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Laura Puente‐Santamaria
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
| | - Margarita M. Marques
- Departamento de Producción Animal, Laboratorio de Diferenciación Celular y Diseño de Modelos Celulares Instituto de Desarrollo Ganadero y Sanidad Animal, Universidad de León León Spain
| | - Maria C. Marin
- Departamento de Biología Molecular, Laboratorio de Diferenciación Celular y Diseño de Modelos Celulares Instituto de Biomedicina, Universidad de León León Spain
| | - Luis del Peso
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
- IdiPaz, Instituto de Investigación Sanitaria del Hospital Universitario La Paz Madrid Spain
- CIBER de Enfermedades Respiratorias (CIBERES) Instituto de Salud Carlos III Madrid Spain
| | - Benilde Jiménez
- Departamento de Bioquímica Universidad Autónoma de Madrid (UAM), Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC‐UAM Madrid Spain
- IdiPaz, Instituto de Investigación Sanitaria del Hospital Universitario La Paz Madrid Spain
- CIBER de Enfermedades Respiratorias (CIBERES) Instituto de Salud Carlos III Madrid Spain
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Lei Y, Chen T, Li Y, Shang M, Zhang Y, Jin Y, Yu Q, Guo F, Wang T. O-GlcNAcylation of PFKFB3 is required for tumor cell proliferation under hypoxia. Oncogenesis 2020; 9:21. [PMID: 32060258 PMCID: PMC7021673 DOI: 10.1038/s41389-020-0208-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 02/05/2020] [Accepted: 02/05/2020] [Indexed: 12/27/2022] Open
Abstract
The protein O-GlcNAcylation catalysed by O-GlcNAc transferase (OGT) is tightly regulated by glucose availability. It is upregulated and essential for tumor cell proliferation under hypoxic conditions. However, the mechanism behind is still unclear. Here, we showed that the glycolytic regulator 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB3), which also promotes cell cycle progression in the nucleus, was O-GlcNAcylated in response to hypoxia. The O-GlcNAcylation of PFKFB3 could compete phosphorylation by hypoxia-activated ERK at the same modification site Ser172. Phosphorylated PFKFB3 could interact with the protein G3BP2 and retain in the cytosol; this in turn led to the accumulation of hypoxia-induced-P27 in the nucleus resulting in the cell cycle arrest. Such a pathway was compromised by high level of PFKFB3 O-GlcNAcylation in tumor cells contributing to cell cycle progression. Consistently, the PFKFB3-Ser172 phosphorylation level inversely correlated with the OGT level in pancreatic cancer patients. Our findings uncovered an O-GlcNAcylation mediated mechanism to promote tumor cell proliferation under metabolic stress, linking the aberrant OGT activity to tumorigenesis in pancreatic cancer.
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Affiliation(s)
- Yinrui Lei
- Department of Pharmacology And Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China.,Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Tao Chen
- Endoscopy Center, Shanghai East Hospital, Tongji University, 150Jimo Road, Shanghai, 200120, China
| | - Yeyi Li
- Department of Pharmacology And Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Man Shang
- Department of Pharmacology And Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Yan Zhang
- Department of Pharmacology And Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Yuepeng Jin
- Department of General Surgery, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Qiujing Yu
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Department of Immunology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Fang Guo
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Ting Wang
- Department of Pharmacology And Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China. .,The Institute of Cell Metabolism and Disease, Shanghai Key Laboratory of Pancreatic Cancer, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 201620, China.
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36
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Leal-Esteban LC, Fajas L. Cell cycle regulators in cancer cell metabolism. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165715. [PMID: 32035102 DOI: 10.1016/j.bbadis.2020.165715] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/09/2020] [Accepted: 01/30/2020] [Indexed: 12/31/2022]
Abstract
Cancer proliferation and progression involves altered metabolic pathways as a result of continuous demand for energy and nutrients. In the last years, cell cycle regulators have been involved in the control of metabolic processes, such as glucose and insulin pathways and lipid synthesis, in addition to their canonical function controlling cell cycle progression. Here we describe recent data demonstrating the role of cell cycle regulators in the metabolic control especially in studies performed in cancer models. Moreover, we discuss the importance of these findings in the context of current cancer therapies to provide an overview of the relevance of targeting metabolism using inhibitors of the cell cycle regulation.
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Affiliation(s)
- Lucia C Leal-Esteban
- Metabolism and Cancer Laboratory, Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
| | - Lluis Fajas
- Metabolism and Cancer Laboratory, Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland.
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37
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Díaz-Bulnes P, Saiz ML, López-Larrea C, Rodríguez RM. Crosstalk Between Hypoxia and ER Stress Response: A Key Regulator of Macrophage Polarization. Front Immunol 2020; 10:2951. [PMID: 31998288 PMCID: PMC6961549 DOI: 10.3389/fimmu.2019.02951] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/02/2019] [Indexed: 12/29/2022] Open
Abstract
Macrophage activation and polarization are closely linked with metabolic rewiring, which is required to sustain their biological functions. These metabolic alterations allow the macrophages to adapt to the microenvironment changes associated with inflammation or tissue damage (hypoxia, nutrient imbalance, oxidative stress, etc.) and to fulfill their highly energy-demanding proinflammatory and anti-microbial functions. This response is integrated via metabolic sensors that coordinate these metabolic fluxes with their functional requirements. Here we review how the metabolic and phenotypic plasticity of macrophages are intrinsically connected with the hypoxia stress sensors and the unfolded protein response in the endoplasmic reticulum, and how these molecular pathways participate in the maladaptive polarization of macrophages in human pathology and chronic inflammation.
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Affiliation(s)
- Paula Díaz-Bulnes
- Translational Immunology Laboratory, Health Research Institute of the Principality of Asturias, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - María Laura Saiz
- Translational Immunology Laboratory, Health Research Institute of the Principality of Asturias, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Carlos López-Larrea
- Translational Immunology Laboratory, Health Research Institute of the Principality of Asturias, Hospital Universitario Central de Asturias, Oviedo, Spain.,Immunology Service, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Ramón M Rodríguez
- Translational Immunology Laboratory, Health Research Institute of the Principality of Asturias, Hospital Universitario Central de Asturias, Oviedo, Spain
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Sonugür FG, Akbulut H. The Role of Tumor Microenvironment in Genomic Instability of Malignant Tumors. Front Genet 2019; 10:1063. [PMID: 31737046 PMCID: PMC6828977 DOI: 10.3389/fgene.2019.01063] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 10/03/2019] [Indexed: 12/11/2022] Open
Abstract
Genomic instability is an essential feature of cancer cells. The somatic mutation theory suggests that along with inherited ones, the changes in DNA caused by environmental factors may cause cancer. Although approximately 50–60 mutations per tumor are observed in established cancer tissue, it is known that not all of these mutations occur at the beginning of carcinogenesis but also occur later in the disease progression. The high frequency of somatic mutations referring to genomic instability contributes to the intratumoral genetic heterogeneity and treatment resistance. The contribution of the tumor microenvironment to the mutations observed following the acquirement of essential malignant characteristics of a cancer cell is one of the topics that have been extensively investigated in recent years. The frequency of mutations in hematologic tumors is generally less than solid tumors. Although it is a hematologic tumor, multiple myeloma is more similar to solid tumors in terms of the high number of chromosomal abnormalities and genetic heterogeneity. In multiple myeloma, bone marrow microenvironment also plays a role in genomic instability that occurs in the very early stages of the disease. In this review, we will briefly summarize the role of the tumor microenvironment and bone marrow microenvironment in the genomic instability seen in solid tumors and multiple myeloma.
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Affiliation(s)
- F Gizem Sonugür
- Department of Medical Oncology, Ankara University School of Medicine, Ankara, Turkey.,Department of Basic Oncology, Ankara University Cancer Research Institute, Ankara, Turkey
| | - Hakan Akbulut
- Department of Medical Oncology, Ankara University School of Medicine, Ankara, Turkey.,Department of Basic Oncology, Ankara University Cancer Research Institute, Ankara, Turkey
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Singh RK, Lamplugh ZL, Lang F, Yuan Y, Lieberman P, You J, Robertson ES. KSHV-encoded LANA protects the cellular replication machinery from hypoxia induced degradation. PLoS Pathog 2019; 15:e1008025. [PMID: 31479497 PMCID: PMC6743784 DOI: 10.1371/journal.ppat.1008025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 09/13/2019] [Accepted: 08/08/2019] [Indexed: 01/15/2023] Open
Abstract
Kaposi’s sarcoma associated herpesvirus (KSHV), like all herpesviruses maintains lifelong persistence with its host genome in latently infected cells with only a small fraction of cells showing signatures of productive lytic replication. Modulation of cellular signaling pathways by KSHV-encoded latent antigens, and microRNAs, as well as some level of spontaneous reactivation are important requirements for establishment of viral-associated diseases. Hypoxia, a prominent characteristic of the microenvironment of cancers, can exert specific effects on cell cycle control, and DNA replication through HIF1α-dependent pathways. Furthermore, hypoxia can induce lytic replication of KSHV. The mechanism by which KSHV-encoded RNAs and antigens regulate cellular and viral replication in the hypoxic microenvironment has yet to be fully elucidated. We investigated replication-associated events in the isogenic background of KSHV positive and negative cells grown under normoxic or hypoxic conditions and discovered an indispensable role of KSHV for sustained cellular and viral replication, through protection of critical components of the replication machinery from degradation at different stages of the process. These include proteins involved in origin recognition, pre-initiation, initiation and elongation of replicating genomes. Our results demonstrate that KSHV-encoded LANA inhibits hypoxia-mediated degradation of these proteins to sustain continued replication of both host and KSHV DNA. The present study provides a new dimension to our understanding of the role of KSHV in survival and growth of viral infected cells growing under hypoxic conditions and suggests potential new strategies for targeted treatment of KSHV-associated cancer. Hypoxia induces cell cycle arrest and DNA replication to minimize energy and macromolecular demands on the ATP stores of cells in this microenvironment. A select set of proteins functions as transcriptional activators in hypoxia. However, transcriptional and translational pathways are negatively regulated in response to hypoxia. This preserves ATP until the cell encounters more favorable conditions. In contrast, the genome of cancer cells replicates spontaneously under hypoxic conditions, and KSHV undergoes enhanced lytic replication. This unique feature by which KSHV genome is reactivated to induce lytic replication is important to elucidate the molecular mechanism by which cells can bypass hypoxia-mediated arrest of DNA replication in cancer cells. Here we provide data which shows that KSHV can manipulate the DNA replication machinery to support replication in hypoxia. We observed that KSHV can stabilize proteins involved in the pre-initiation, initiation and elongation steps of DNA replication. Specifically, KSHV-encoded LANA was responsible for this stabilization, and maintenance of endogenous HIF1α levels was required for stabilization of these proteins in hypoxia. Expression of LANA in KSHV negative cells confers protection of these replication proteins from hypoxia-dependent degradation, and knock-down of LANA or HIF1α showed a dramatic reduction in KSHV-dependent stabilization of replication-associated proteins in hypoxia. These data suggest a role for KSHV-encoded LANA in replication of infected cells, and provides a mechanism for sustained replication of both cellular and viral DNA in hypoxia.
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Affiliation(s)
- Rajnish Kumar Singh
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Zachary L. Lamplugh
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Fengchao Lang
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Yan Yuan
- Department of Microbiology, Levy Building, School of Dental Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Paul Lieberman
- Program in Gene Regulation, The Wistar Institute, Philadelphia, United States of America
| | - Jianxin You
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Erle S. Robertson
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
- * E-mail:
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40
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Effect of Hypoxia on Gene Expression in Cell Populations Involved in Wound Healing. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2626374. [PMID: 31534956 PMCID: PMC6724439 DOI: 10.1155/2019/2626374] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/28/2019] [Accepted: 07/25/2019] [Indexed: 01/27/2023]
Abstract
Wound healing is a complex process regulated by multiple signals and consisting of several phases known as haemostasis, inflammation, proliferation, and remodelling. Keratinocytes, endothelial cells, macrophages, and fibroblasts are the major cell populations involved in wound healing process. Hypoxia plays a critical role in this process since cells sense and respond to hypoxic conditions by changing gene expression. This study assessed the in vitro expression of 77 genes involved in angiogenesis, metabolism, cell growth, proliferation and apoptosis in human keratinocytes (HaCaT), microvascular endothelial cells (HMEC-1), differentiated macrophages (THP-1), and dermal fibroblasts (HDF). Results indicated that the gene expression profiles induced by hypoxia were cell-type specific. In HMEC-1 and differentiated THP-1, most of the genes modulated by hypoxia encode proteins involved in angiogenesis or belonging to cytokines and growth factors. In HaCaT and HDF, hypoxia mainly affected the expression of genes encoding proteins involved in cell metabolism. This work can help to enlarge the current knowledge about the mechanisms through which a hypoxic environment influences wound healing processes at the molecular level.
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Choi SH, Kim MY, Yoon YS, Koh DI, Kim MK, Cho SY, Kim KS, Hur MW. Hypoxia-induced RelA/p65 derepresses SLC16A3 (MCT4) by downregulating ZBTB7A. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2019; 1862:771-785. [PMID: 31271899 DOI: 10.1016/j.bbagrm.2019.06.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/12/2019] [Accepted: 06/18/2019] [Indexed: 12/25/2022]
Abstract
Overexpressed Solute Carrier Family 16 Member 3 (SLC16A3, also called MCT4) plays a critical role in hypoxic cancer cell growth and proliferation, by expelling glycolysis-derived lactate across the plasma membrane. However, how SLC16A3 expression is regulated, under hypoxic conditions, is poorly understood. FBI-1, encoded by ZBTB7A, is a proto-oncoprotein. Interestingly, under hypoxic conditions, expression of SLC16A3, and hypoxia-inducible factor-1 (HIF-1), increased gradually, while FBI-1 expression decreased, suggesting a negative correlation between SLC16A3/HIF-1 and FBI-1 expression. Consequently, we hypothesized that FBI-1 might regulate SLC16A3 and/or HIF-1 expression. Transient transfection and transcription assays of SLC16A3 promoter reporter fusion constructs, oligonucleotide-pulldowns, and ChIP assays, showed that HIF-1α activates SLC16A3 by binding to a hypoxia-response element (HRE), while ectopic FBI-1 potently repressed SLC16A3, by binding to both FBI-1-response elements (FREs) and HREs, during hypoxia. Further evidence for this model was downregulation of ZBTB7A, correlated with SLC16A3 upregulation, in hypoxic colon cancer cells. We also investigated how FBI-1 expression is downregulated during hypoxia. The 5'-upstream regulatory region of ZBTB7A contains two NF-κB-binding sites and two HREs. Interestingly, hypoxia activated NF-κB (RelA/p65) and also increased its nuclear translocation. NF-κB repressed ZBTB7A by binding NF-κB-binding elements, and downregulated the repressor FBI-1, thereby increasing SLC16A3 transcription. While transcriptional repression of SLC16A3 by FBI-1 inhibited lactate efflux, repression of ZBTB7A and activation of lactate efflux by NF-κB, increased colon cancer cell growth and proliferation.
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Affiliation(s)
- Seo-Hyun Choi
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Min-Young Kim
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Young-So Yoon
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Dong-In Koh
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Min-Kyeong Kim
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Su-Yeon Cho
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Kyung-Sup Kim
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea
| | - Man-Wook Hur
- Brain Korea 21 Plus Project for Medical Science, Severance Biomedical Research Institute, Department of Biochemistry and Molecular Biology, Yonsei University School of Medicine, 50-1 Yonsei-Ro, SeoDaeMoon-Ku, Seoul 03722, Republic of Korea.
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42
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Park JE, Tse SW, Xue G, Assisi C, Maqueda AS, Ramon GPX, Low JK, Kon OL, Tay CY, Tam JP, Sze SK. Pulsed SILAC-based proteomic analysis unveils hypoxia- and serum starvation-induced de novo protein synthesis with PHD finger protein 14 (PHF14) as a hypoxia sensitive epigenetic regulator in cell cycle progression. Oncotarget 2019; 10:2136-2150. [PMID: 31040906 PMCID: PMC6481330 DOI: 10.18632/oncotarget.26669] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 12/27/2018] [Indexed: 12/27/2022] Open
Abstract
Hypoxia is an environmental cue that is associated with multiple tumorigenic processes such as immunosuppression, angiogenesis, cancer invasion, metastasis, drug resistance, and poor clinical outcomes. When facing hypoxic stress, cells initiate several adaptive responses such as cell cycle arrest to reduce excessive oxygen consumption and co-activation of oncogenic factors. In order to identify the critical novel proteins for hypoxia responses, we used pulsed-SILAC method to trace the active cellular translation events in A431 cells. Proteomic discovery data and biochemical assays showed that cancer cells selectively activate key glycolytic enzymes and novel ER-stress markers, while protein synthesis is severely suppressed. Interestingly, deprivation of oxygen affected the expression of various epigenetic regulators such as histone demethylases and NuRD (nucleosome remodeling and deacetylase) complex in A431 cells. In addition, we identified PHF14 (the plant homeodomain finger-14) as a novel hypoxia-sensitive epigenetic regulator that plays a key role in cell cycle progress and protein synthesis. Hypoxia-mediated inhibition of PHF14 was associated with increase of key cell cycle inhibitors, p14ARF, p15INK4b, and p16INK4a, which are responsible for G1-S phase transition and decrease of AKT-mTOR-4E-BP1/pS6K signaling pathway, a master regulator of protein synthesis, in response to environmental cues. Analysis of TCGA colon cancer (n=461) and skin cancer (n=470) datasets revealed a positive correlation between PHF14 expression and protein translation initiation factors, eIF4E, eIF4B, and RPS6. Significance of PHF14 gene was further demonstrated by in vivo mouse xenograft model using PHF14 KD cell lines.
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Affiliation(s)
- Jung Eun Park
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Shun Wilford Tse
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Guo Xue
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Christina Assisi
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Aida Serra Maqueda
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Gallart Palau Xavier Ramon
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Jee Keem Low
- Department of Oncology, Tan Tock Seng Hospital, Singapore 308433
| | - Oi Lian Kon
- Laboratory of Applied Human Genetics, Division of Medical Sciences, National Cancer Centre Singapore, Singapore 169610
| | - Chor Yong Tay
- Division of Materials Technology School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - James P Tam
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Siu Kwan Sze
- Division of Structural Biology and Biochemistry School of Biological Sciences, Nanyang Technological University, Singapore 637551
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43
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Paik SH, Choi S, Jang S, Jo S, Kim KH, Kwon O. Skin equivalent assay: An optimized method for testing for hair growth reconstitution capacity of epidermal and dermal cells. Exp Dermatol 2019; 28:367-373. [DOI: 10.1111/exd.13897] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 01/17/2019] [Accepted: 01/25/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Seung Hwan Paik
- Department of DermatologySeoul National University College of Medicine Seoul Korea
- Institute of Human‐Environment Interface BiologySeoul National University Seoul Korea
- Asan Medical CenterUniversity of Ulsan College of Medicine Seoul Korea
| | - Soon‐Jin Choi
- Institute of Human‐Environment Interface BiologySeoul National University Seoul Korea
| | - Sunhyae Jang
- Institute of Human‐Environment Interface BiologySeoul National University Seoul Korea
| | - Seong‐Jin Jo
- Department of DermatologySeoul National University College of Medicine Seoul Korea
- Institute of Human‐Environment Interface BiologySeoul National University Seoul Korea
| | - Kyu Han Kim
- Department of DermatologySeoul National University College of Medicine Seoul Korea
- Institute of Human‐Environment Interface BiologySeoul National University Seoul Korea
| | - Ohsang Kwon
- Department of DermatologySeoul National University College of Medicine Seoul Korea
- Institute of Human‐Environment Interface BiologySeoul National University Seoul Korea
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Echeverria PC, Bhattacharya K, Joshi A, Wang T, Picard D. The sensitivity to Hsp90 inhibitors of both normal and oncogenically transformed cells is determined by the equilibrium between cellular quiescence and activity. PLoS One 2019; 14:e0208287. [PMID: 30726209 PMCID: PMC6364869 DOI: 10.1371/journal.pone.0208287] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 01/11/2019] [Indexed: 12/11/2022] Open
Abstract
The molecular chaperone Hsp90 is an essential and highly abundant central node in the interactome of eukaryotic cells. Many of its large number of client proteins are relevant to cancer. A hallmark of Hsp90-dependent proteins is that their accumulation is compromised by Hsp90 inhibitors. Combined with the anecdotal observation that cancer cells may be more sensitive to Hsp90 inhibitors, this has led to clinical trials aiming to develop Hsp90 inhibitors as anti-cancer agents. However, the sensitivity to Hsp90 inhibitors has not been studied in rigorously matched normal versus cancer cells, and despite the discovery of important regulators of Hsp90 activity and inhibitor sensitivity, it has remained unclear, why cancer cells might be more sensitive. To revisit this issue more systematically, we have generated an isogenic pair of normal and oncogenically transformed NIH-3T3 cell lines. Our proteomic analysis of the impact of three chemically different Hsp90 inhibitors shows that these affect a substantial portion of the oncogenic program and that indeed, transformed cells are hypersensitive. Targeting the oncogenic signaling pathway reverses the hypersensitivity, and so do inhibitors of DNA replication, cell growth, translation and energy metabolism. Conversely, stimulating normal cells with growth factors or challenging their proteostasis by overexpressing an aggregation-prone sensitizes them to Hsp90 inhibitors. Thus, the differential sensitivity to Hsp90 inhibitors may not stem from any particular intrinsic difference between normal and cancer cells, but rather from a shift in the balance between cellular quiescence and activity.
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Affiliation(s)
- Pablo C. Echeverria
- Département de Biologie Cellulaire, Université de Genève, Sciences III, Genève, Switzerland
| | - Kaushik Bhattacharya
- Département de Biologie Cellulaire, Université de Genève, Sciences III, Genève, Switzerland
| | - Abhinav Joshi
- Département de Biologie Cellulaire, Université de Genève, Sciences III, Genève, Switzerland
| | - Tai Wang
- Département de Biologie Cellulaire, Université de Genève, Sciences III, Genève, Switzerland
| | - Didier Picard
- Département de Biologie Cellulaire, Université de Genève, Sciences III, Genève, Switzerland
- * E-mail:
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45
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Hypoxia-inducible KDM3A addiction in multiple myeloma. Blood Adv 2019; 2:323-334. [PMID: 29444873 DOI: 10.1182/bloodadvances.2017008847] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 01/16/2018] [Indexed: 12/15/2022] Open
Abstract
In multiple myeloma (MM), the bone marrow (BM) microenvironment may contain a myeloma cell fraction that has acquired treatment resistance by undergoing an epigenetic gene expression change. Hypoxic stress is an important factor in the BM microenvironment. Recently, we demonstrated that miR-210 was upregulated in hypoxia and downregulated IRF4, which is known as an essential factor in myeloma oncogenesis in normoxia. In the study, we demonstrated that myeloma cells still showed a strong antiapoptotic phenotype despite IRF4 downregulation, suggesting that another antiapoptotic factor might be involved under hypoxic stress. To determine the factor or factors, we conducted gene expression analysis on myeloma cells (primary samples and cell lines) that were exposed to chronic hypoxia and observed upregulation of glycolytic genes and genes encoding H3K9 demethylases in myeloma cells with hypoxia. Among these, KDM3A was most significantly upregulated in all examined cells, and its knockdown induced apoptosis of myeloma cells in chronic hypoxia. Expression of KDM3A was dependent on HIF-1α, which is a transcription factor specifically upregulated in hypoxia. We further demonstrated that an essential target of KDM3A was a noncoding gene, MALAT1, whose upregulation contributed to acquisition of an antiapoptotic phenotype by accumulation of HIF-1α, leading to upregulation of glycolytic genes under hypoxia. This process was independent from IRF4. These results led us to conclude that the hypoxia-inducible HIF-1α-KDM3A-MALAT1 axis also contributes to acquisition of the antiapoptotic phenotype via upregulation of glycolysis-promoting genes. Thus, this axis is a promising therapeutic target against myeloma cells in the BM microenvironment.
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46
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Wang Y, Chen S, Yan Z, Pei M. A prospect of cell immortalization combined with matrix microenvironmental optimization strategy for tissue engineering and regeneration. Cell Biosci 2019; 9:7. [PMID: 30627420 PMCID: PMC6321683 DOI: 10.1186/s13578-018-0264-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 12/21/2018] [Indexed: 12/20/2022] Open
Abstract
Cellular senescence is a major hurdle for primary cell-based tissue engineering and regenerative medicine. Telomere erosion, oxidative stress, the expression of oncogenes and the loss of tumor suppressor genes all may account for the cellular senescence process with the involvement of various signaling pathways. To establish immortalized cell lines for research and clinical use, strategies have been applied including internal genomic or external matrix microenvironment modification. Considering the potential risks of malignant transformation and tumorigenesis of genetic manipulation, environmental modification methods, especially the decellularized cell-deposited extracellular matrix (dECM)-based preconditioning strategy, appear to be promising for tissue engineering-aimed cell immortalization. Due to few review articles focusing on this topic, this review provides a summary of cell senescence and immortalization and discusses advantages and limitations of tissue engineering and regeneration with the use of immortalized cells as well as a potential rejuvenation strategy through combination with the dECM approach.
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Affiliation(s)
- Yiming Wang
- 1Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, PO Box 9196, 64 Medical Center Drive, Morgantown, WV 26506-9196 USA.,2Department of Orthopaedics, Zhongshan Hospital of Fudan University, 180 Fenglin Road, Shanghai, 200032 China
| | - Song Chen
- 3Department of Orthopaedics, Chengdu Military General Hospital, Chengdu, 610083 Sichuan China
| | - Zuoqin Yan
- 2Department of Orthopaedics, Zhongshan Hospital of Fudan University, 180 Fenglin Road, Shanghai, 200032 China
| | - Ming Pei
- 1Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, PO Box 9196, 64 Medical Center Drive, Morgantown, WV 26506-9196 USA.,4WVU Cancer Institute, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV 26506 USA
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47
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Nuñez-Hernandez DM, Camacho-Jiménez L, González-Ruiz R, Mata-Haro V, Ezquerra-Brauer JM, Yepiz-Plascencia G. Cyclin-dependent kinase 2 (Cdk-2) from the White shrimp Litopenaeus vannamei: Molecular characterization and tissue-specific expression during hypoxia and reoxygenation. Comp Biochem Physiol A Mol Integr Physiol 2018; 230:56-63. [PMID: 30594527 DOI: 10.1016/j.cbpa.2018.12.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 01/01/2023]
Abstract
The cell cycle comprises a series of steps necessary for cell growth until cell division. The participation of proteins responsible for cell cycle regulation, known as cyclin dependent kinases or Cdks, is necessary for cycle progression. Cyclin dependent kinase 2 (Cdk-2) is one of the most studied Cdks. This kinase regulates the passage through the G1/S phase and is involved in DNA replication in the S phase. Cdks have been extensively studied in mammals, but there is little information about these proteins in crustaceans. In the present work, the nucleotide and amino acid sequence of Cdk-2 from the white shrimp (Cdk-2) and its expression during hypoxia and reoxygenation are reported. Cdk-2 is a highly conserved protein and contains the serine/threonine catalytic domain, an ATP binding site and the PSTAIRE sequence. The predicted Cdk-2 structure showed the two-lobed structure characteristic of kinases. Expression of Cdk-2 was detected in hepatopancreas, gills and muscle, with hepatopancreas having the highest expression during normoxic conditions. Cdk-2 expression was significantly induced after hypoxia for 24 h in muscle cells, but in hypoxia exposure for 24 followed by 1 h of reoxygenation, the expression levels returned to the levels found in normoxic conditions, suggesting induction of cell cycle progression in muscular cells during hypoxia. No significant changes in expression of Cdk-2 were detected in these conditions in hepatopancreas and gills.
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Affiliation(s)
- Dahlia M Nuñez-Hernandez
- Centro de Investigación en Alimentación y Desarrollo (CIAD), A.C. Carretera Gustavo Enrique Astiazarán Rosa No. 46, Col La Victoria, CP 83304 Hermosillo, Sonora, Mexico
| | - Laura Camacho-Jiménez
- Centro de Investigación en Alimentación y Desarrollo (CIAD), A.C. Carretera Gustavo Enrique Astiazarán Rosa No. 46, Col La Victoria, CP 83304 Hermosillo, Sonora, Mexico
| | - Ricardo González-Ruiz
- Centro de Investigación en Alimentación y Desarrollo (CIAD), A.C. Carretera Gustavo Enrique Astiazarán Rosa No. 46, Col La Victoria, CP 83304 Hermosillo, Sonora, Mexico
| | - Verónica Mata-Haro
- Centro de Investigación en Alimentación y Desarrollo (CIAD), A.C. Carretera Gustavo Enrique Astiazarán Rosa No. 46, Col La Victoria, CP 83304 Hermosillo, Sonora, Mexico
| | | | - Gloria Yepiz-Plascencia
- Centro de Investigación en Alimentación y Desarrollo (CIAD), A.C. Carretera Gustavo Enrique Astiazarán Rosa No. 46, Col La Victoria, CP 83304 Hermosillo, Sonora, Mexico.
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A phase I study of the safety and tolerability of VLX600, an Iron Chelator, in patients with refractory advanced solid tumors. Invest New Drugs 2018; 37:684-692. [DOI: 10.1007/s10637-018-0703-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 11/15/2018] [Indexed: 12/16/2022]
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Gulaia V, Kumeiko V, Shved N, Cicinskas E, Rybtsov S, Ruzov A, Kagansky A. Molecular Mechanisms Governing the Stem Cell's Fate in Brain Cancer: Factors of Stemness and Quiescence. Front Cell Neurosci 2018; 12:388. [PMID: 30510501 PMCID: PMC6252330 DOI: 10.3389/fncel.2018.00388] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 10/09/2018] [Indexed: 12/25/2022] Open
Abstract
Cellular quiescence is a reversible, non-cycling state controlled by epigenetic, transcriptional and niche-associated molecular factors. Quiescence is a condition where molecular signaling pathways maintain the poised cell-cycle state whilst enabling rapid cell cycle re-entry. To achieve therapeutic breakthroughs in oncology it is crucial to decipher these molecular mechanisms employed by the cancerous milieu to control, maintain and gear stem cells towards re-activation. Cancer stem-like cells (CSCs) have been extensively studied in most malignancies, including glioma. Here, the aberrant niche activities skew the quiescence/activation equilibrium, leading to rapid tumor relapse after surgery and/or chemotherapy. Unraveling quiescence mechanisms promises to afford prevention of (often multiple) relapses, a key problem in current glioma treatment. This review article covers the current knowledge regarding normal and aberrant cellular quiescence control whilst also exploring how different molecular mechanisms and properties of the neighboring cells can influence the molecular processes behind glioma stem cell quiescence.
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Affiliation(s)
- Valeriia Gulaia
- Centre for Genomic and Regenerative Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
| | - Vadim Kumeiko
- Centre for Genomic and Regenerative Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
- National Scientific Center of Marine Biology, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia
| | - Nikita Shved
- Centre for Genomic and Regenerative Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
- National Scientific Center of Marine Biology, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia
| | - Eduardas Cicinskas
- Department of Cellular Biology and Genetics, School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russia
- Laboratory of Pharmacology and Bioassays, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
| | - Stanislav Rybtsov
- Institute for Stem Cell Research, Medical Research Council Centre for Regenerative Medicine, University of Edinburgh, SCRM Bioquarter, Scotland, United Kingdom
| | - Alexey Ruzov
- Wolfson Centre for Stem Cells, Tissue Engineering and Modelling (STEM), Division of Cancer and Stem Cells, School of Medicine, Centre for Biomolecular Sciences, University of Nottingham, University Park, Nottingham, United Kingdom
| | - Alexander Kagansky
- Centre for Genomic and Regenerative Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
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Kuroda K, Yamashita M, Murahata Y, Azuma K, Osaki T, Tsuka T, Ito N, Imagawa T, Okamoto Y. Use of ozonated water as a new therapeutic approach to solve current concerns around antitumor treatment. Exp Ther Med 2018; 16:1597-1602. [PMID: 30186377 PMCID: PMC6122405 DOI: 10.3892/etm.2018.6415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 01/09/2018] [Indexed: 01/15/2023] Open
Abstract
Tumor hypoxia is a severe problem affecting tumor therapy because it reduces the sensitivity of chemotherapy and radiation therapy. Ozone has been known to improve peripheral blood perfusion and oxygen partial pressure. The effect of ozonated water on tumor hypoxia, alone and in combination with an antitumor drug was studied in the present study. Following intraperitoneal administration of ozonated water to colon-26-bearing mice, the Hoechst 33342-positive area and the intratumoral oxygen partial pressure was significantly increased. The tumor growth rate was more suppressed when ozonated water was combined with cisplatin (CDDP) compared with CDDP treatment alone. The number of Ki-67-positive cells significantly decreased, whereas the number of TUNEL-positive cells significantly increased. The present study showed that ozonated water increased intratumoral blood perfusion and improved tumor hypoxia. In addition, ozonated water increased the therapeutic effect of CDDP. These findings, as well as previous reports, suggest that tumor growth is suppressed after treatment with ozonated water as the amount of CDDP reaching the tumor is increased when the intratumoral blood perfusion is increased due to the ozonated water. Thus, the administration of ozonated water may be a new therapeutic approach to solve current concerns regarding antitumor treatment.
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Affiliation(s)
- Kohei Kuroda
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Masamiti Yamashita
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Yusuke Murahata
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Kazuo Azuma
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Tomohiro Osaki
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Takeshi Tsuka
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Norihiko Ito
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Tomohiro Imagawa
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
| | - Yoshiharu Okamoto
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
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