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Smith TAD, West CML, Joseph N, Lane B, Irlam-Jones J, More E, Mistry H, Reeves KJ, Song YP, Reardon M, Hoskin PJ, Hussain SA, Denley H, Hall E, Porta N, Huddart RA, James ND, Choudhury A. A hypoxia biomarker does not predict benefit from giving chemotherapy with radiotherapy in the BC2001 randomised controlled trial. EBioMedicine 2024; 101:105032. [PMID: 38387404 PMCID: PMC10897900 DOI: 10.1016/j.ebiom.2024.105032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 02/01/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024] Open
Abstract
BACKGROUND BC2001 showed combining chemotherapy (5-FU + mitomycin-C) with radiotherapy improves loco-regional disease-free survival in patients with muscle-invasive bladder cancer (MIBC). We previously showed a 24-gene hypoxia-associated signature predicted benefit from hypoxia-modifying radiosensitisation in BCON and hypothesised that only patients with low hypoxia scores (HSs) would benefit from chemotherapy in BC2001. BC2001 allowed conventional (64Gy/32 fractions) or hypofractionated (55Gy/20 fractions) radiotherapy. An exploratory analysis tested an additional hypothesis that hypofractionation reduces reoxygenation and would be detrimental for patients with hypoxic tumours. METHODS RNA was extracted from pre-treatment biopsies (298 BC2001 patients), transcriptomic data generated (Affymetrix Clariom-S arrays), HSs calculated (median expression of 24-signature genes) and patients stratified as hypoxia-high or -low (cut-off: cohort median). PRIMARY ENDPOINT invasive loco-regional control (ILRC); secondary overall survival. FINDINGS Hypoxia affected overall survival (HR = 1.30; 95% CI 0.99-1.70; p = 0.062): more uncertainty for ILRC (HR = 1.29; 95% CI 0.82-2.03; p = 0.264). Benefit from chemotherapy was similar for patients with high or low HSs, with no interaction between HS and treatment arm. High HS associated with poor ILRC following hypofractionated (n = 90, HR 1.69; 95% CI 0.99-2.89 p = 0.057) but not conventional (n = 207, HR 0.70; 95% CI 0.28-1.80, p = 0.461) radiotherapy. The finding was confirmed in an independent cohort (BCON) where hypoxia associated with a poor prognosis for patients receiving hypofractionated (n = 51; HR 14.2; 95% CI 1.7-119; p = 0.015) but not conventional (n = 24, HR 1.04; 95% CI 0.07-15.5, p = 0.978) radiotherapy. INTERPRETATION Tumour hypoxia status does not affect benefit from BC2001 chemotherapy. Hypoxia appears to affect fractionation sensitivity. Use of HSs to personalise treatment needs testing in a biomarker-stratified trial. FUNDING Cancer Research UK, NIHR, MRC.
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Affiliation(s)
- Tim A D Smith
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK; Nuclear Futures Institute, School of Computer Science and Electronic Engineering, Bangor University, Bangor, UK
| | - Catharine M L West
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK.
| | - Nuradh Joseph
- Sri Lanka Cancer Research Group, Maharagama, Sri Lanka
| | - Brian Lane
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Joely Irlam-Jones
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Elisabet More
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Hitesh Mistry
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Kimberley J Reeves
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Yee Pei Song
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Mark Reardon
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
| | - Peter J Hoskin
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK; Mount Vernon Cancer Centre, Northwood, London, UK
| | - Syed A Hussain
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Helen Denley
- Pathology Centre, Shrewsbury and Telford NHS Trust, Royal Shrewsbury Hospital, Shrewsbury, UK
| | - Emma Hall
- Institute of Cancer Research, Clinical Trials & Statistics Unit, London, UK
| | - Nuria Porta
- Institute of Cancer Research, Clinical Trials & Statistics Unit, London, UK
| | - Robert A Huddart
- Royal Marsden NHS Trust, Department of Oncology, Downs Road, Sutton, Surrey, England, UK
| | - Nick D James
- Royal Marsden NHS Trust, Department of Oncology, Downs Road, Sutton, Surrey, England, UK
| | - Ananya Choudhury
- Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK
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Villalobos A, Lee J, Westergaard SA, Kokabi N. Impact of Hypoxia on Radiation-Based Therapies for Liver Cancer. Cancers (Basel) 2024; 16:876. [PMID: 38473237 DOI: 10.3390/cancers16050876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/14/2024] Open
Abstract
Background: Hypoxia, a state of low oxygen level within a tissue, is often present in primary and secondary liver tumors. At the molecular level, the tumor cells' response to hypoxic stress induces proteomic and genomic changes which are largely regulated by proteins called hypoxia-induced factors (HIF). These proteins have been found to drive tumor progression and cause resistance to drug- and radiation-based therapies, ultimately contributing to a tumor's poor prognosis. Several imaging modalities have been developed to visualize tissue hypoxia, providing insight into a tumor's microbiology. Methods: A systematic literature search was conducted in PubMed, EMBASE, Cochrane, and Google Scholar for all reports related to hypoxia on liver tumors. All relevant studies were summarized. Results: This review will focus on the impact of hypoxia on liver tumors and review PET-, MRI-, and SPECT-based imaging modalities that have been developed to predict and assess a tumor's response to radiation therapy, with a focus on liver cancers. Conclusion: While there are numerous studies that have evaluated the impact of hypoxia on tumor outcomes, there remains a relative paucity of data evaluating and quantifying hypoxia within the liver. Novel and developing non-invasive imaging techniques able to provide functional and physiological information on tumor hypoxia within the liver may be able to assist in the treatment planning of primary and metastatic liver lesions.
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Affiliation(s)
- Alexander Villalobos
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Jean Lee
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA 30322, USA
| | | | - Nima Kokabi
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
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Buttell A, Qiu W. The action and resistance mechanisms of Lenvatinib in liver cancer. Mol Carcinog 2023; 62:1918-1934. [PMID: 37671815 PMCID: PMC10840925 DOI: 10.1002/mc.23625] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 09/07/2023]
Abstract
Lenvatinib is a tyrosine kinase inhibitor that prevents the formation of new blood vessels namely by inhibiting tyrosine kinase enzymes as the name suggests. Specifically, Lenvatinib acts on vascular endothelial growth factor receptors 1-3 (VEGFR1-3), fibroblast growth factor receptors 1-4 (FGFR1-4), platelet-derived growth factor receptor-alpha (PDGFRα), tyrosine-kinase receptor (KIT), and rearranged during transfection receptor (RET). Inhibition of these receptors works to inhibit tumor proliferation. It is through these inhibition mechanisms that Lenvatinib was tested to be noninferior to Sorafenib. However, resistance to Lenvatinib is common, making the positive effects of Lenvatinib on a patient's survival null after resistance is acquired. Therefore, it is crucial to understand mechanisms related to Lenvatinib resistance. This review aims to piece together various mechanisms involved in Lenvatinib resistance and summarizes the research done so far investigating it.
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Affiliation(s)
- Anna Buttell
- Departments of Surgery, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois, USA
- Departments of Cancer Biology, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois, USA
| | - Wei Qiu
- Departments of Surgery, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois, USA
- Departments of Cancer Biology, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois, USA
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Zhang W, Chen Y, Li M, Cao S, Wang N, Zhang Y, Wang Y. A PDA-Functionalized 3D Lung Scaffold Bioplatform to Construct Complicated Breast Tumor Microenvironment for Anticancer Drug Screening and Immunotherapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302855. [PMID: 37424037 PMCID: PMC10502821 DOI: 10.1002/advs.202302855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/21/2023] [Indexed: 07/11/2023]
Abstract
2D cell culture occupies an important place in cancer progression and drug discovery research. However, it limitedly models the "true biology" of tumors in vivo. 3D tumor culture systems can better mimic tumor characteristics for anticancer drug discovery but still maintain great challenges. Herein, polydopamine (PDA)-modified decellularized lung scaffolds are designed and can serve as a functional biosystem to study tumor progression and anticancer drug screening, as well as mimic the tumor microenvironment. PDA-modified scaffolds with strong hydrophilicity and excellent cell compatibility can promote cell growth and proliferation. After 96 h treatment with 5-FU, cisplatin, and DOX, higher survival rates in PDA-modified scaffolds are observed compared to nonmodified scaffolds and 2D systems. The E-cadhesion formation, HIF-1α-mediated senescence decrease, and tumor stemness enhancement can drive drug resistance and antitumor drug screening of breast cancer cells. Moreover, there is a higher survival rate of CD45+ /CD3+ /CD4+ /CD8+ T cells in PDA-modified scaffolds for potential cancer immunotherapy drug screening. This PDA-modified tumor bioplatform will supply some promising information for studying tumor progression, overcoming tumor resistance, and screening tumor immunotherapy drugs.
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Affiliation(s)
- Wanheng Zhang
- Department of PharmacyThe First Affiliated Hospitaland College of Clinical Medicine of Henan University of Science and TechnologyLuoyang471003China
| | - Yan Chen
- Department of PharmacyThe First Affiliated Hospitaland College of Clinical Medicine of Henan University of Science and TechnologyLuoyang471003China
| | - Mengyuan Li
- School of PharmacyNanjing University of Chinese MedicineNanjing210023China
| | - Shucheng Cao
- Department of Quantitative Life SciencesMcGill UniversityMontréalQuébecH3A 0G4Canada
| | - Nana Wang
- Department of PediatricsShanghai General HospitalShanghai Jiao Tong UniversityShanghai200080China
| | - Yingjian Zhang
- Department of PharmacyThe First Affiliated Hospitaland College of Clinical Medicine of Henan University of Science and TechnologyLuoyang471003China
| | - Yongtao Wang
- Shanghai Engineering Research Center of Organ RepairSchool of MedicineShanghai UniversityShanghai200444China
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Gao H, Nepovimova E, Heger Z, Valko M, Wu Q, Kuca K, Adam V. Role of hypoxia in cellular senescence. Pharmacol Res 2023; 194:106841. [PMID: 37385572 DOI: 10.1016/j.phrs.2023.106841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/25/2023] [Accepted: 06/25/2023] [Indexed: 07/01/2023]
Abstract
Senescent cells persist and continuously secrete proinflammatory and tissue-remodeling molecules that poison surrounding cells, leading to various age-related diseases, including diabetes, atherosclerosis, and Alzheimer's disease. The underlying mechanism of cellular senescence has not yet been fully explored. Emerging evidence indicates that hypoxia is involved in the regulation of cellular senescence. Hypoxia-inducible factor (HIF)- 1α accumulates under hypoxic conditions and regulates cellular senescence by modulating the levels of the senescence markers p16, p53, lamin B1, and cyclin D1. Hypoxia is a critical condition for maintaining tumor immune evasion, which is promoted by driving the expression of genetic factors (such as p53 and CD47) while triggering immunosenescence. Under hypoxic conditions, autophagy is activated by targeting BCL-2/adenovirus E1B 19-kDa interacting protein 3, which subsequently induces p21WAF1/CIP1 as well as p16Ink4a and increases β-galactosidase (β-gal) activity, thereby inducing cellular senescence. Deletion of the p21 gene increases the activity of the hypoxia response regulator poly (ADP-ribose) polymerase-1 (PARP-1) and the level of nonhomologous end joining (NHEJ) proteins, repairs DNA double-strand breaks, and alleviates cellular senescence. Moreover, cellular senescence is associated with intestinal dysbiosis and an accumulation of D-galactose derived from the gut microbiota. Chronic hypoxia leads to a striking reduction in the amount of Lactobacillus and D-galactose-degrading enzymes in the gut, producing excess reactive oxygen species (ROS) and inducing senescence in bone marrow mesenchymal stem cells. Exosomal microRNAs (miRNAs) and long noncoding RNAs (lncRNAs) play important roles in cellular senescence. miR-424-5p levels are decreased under hypoxia, whereas lncRNA-MALAT1 levels are increased, both of which induce cellular senescence. The present review focuses on recent advances in understanding the role of hypoxia in cellular senescence. The effects of HIFs, immune evasion, PARP-1, gut microbiota, and exosomal mRNA in hypoxia-mediated cell senescence are specifically discussed. This review increases our understanding of the mechanism of hypoxia-mediated cellular senescence and provides new clues for anti-aging processes and the treatment of aging-related diseases.
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Affiliation(s)
- Haoyu Gao
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové 500 03, Czech Republic
| | - Zbynek Heger
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno 613 00, Czech Republic
| | - Marian Valko
- Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava 812 37, Slovakia
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou 434025, China; Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové 500 03, Czech Republic.
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové 500 03, Czech Republic; Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove 500 05, Czech Republic; Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Granada, Spain.
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno 613 00, Czech Republic.
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Li Y, Yoon B, Dey A, Nguyen VQ, Park JH. Recent progress in nitric oxide-generating nanomedicine for cancer therapy. J Control Release 2022; 352:179-198. [PMID: 36228954 DOI: 10.1016/j.jconrel.2022.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 08/26/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022]
Abstract
Nitric oxide (NO) is an endogenous, multipotent biological signaling molecule that participates in several physiological processes. Recently, exogenous supplementation of tumor tissues with NO has emerged as a potential anticancer therapy. In particular, it induces synergistic effects with other conventional therapies (such as chemo-, radio-, and photodynamic therapies) by regulating the activity of P-glycoprotein, acting as a vascular relaxant to relieve tumor hypoxia, and participating in the metabolism of reactive oxygen species. However, NO is highly reactive, and its half-life is relatively short after generation. Meanwhile, NO-induced anticancer activity is dose-dependent. Therefore, the targeted delivery of NO to the tumor is required for better therapeutic effects. In the past decade, NO-generating nanomedicines (NONs), which enable sustained and specific NO release in tumor tissues, have been developed for enhanced cancer therapy. This review describes the recent efforts and preclinical achievements in the development of NON-based cancer therapies. The chemical structures employed in the fabrication of NONs are summarized, and the strategies involved in NON-based cancer therapies are elaborated.
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Affiliation(s)
- Yuce Li
- School of Chemical Engineering, College of Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Been Yoon
- School of Chemical Engineering, College of Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Anup Dey
- School of Chemical Engineering, College of Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Van Quy Nguyen
- School of Chemical Engineering, College of Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jae Hyung Park
- School of Chemical Engineering, College of Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea.; Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Republic of Korea.; Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea.
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7
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Hariharan K, Patel P, Mehta T. Surface modifications of Gold Nanoparticles: Stabilization and Recent Applications in Cancer Therapy. Pharm Dev Technol 2022; 27:665-683. [PMID: 35850605 DOI: 10.1080/10837450.2022.2103825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Gold nanoparticles (GNP) are noble metal nanocarriers that have been recently researched upon for pharmaceutical applications, imaging, and diagnosis. These metallic nanocarriers are easy to synthesize using chemical reduction techniques as their surface can be easily modified. Also, the properties of GNP are significantly affected by its size and shape which mandates its stabilization using suitable techniques of surface modification. Over the past decade, research has focused on surface modification of GNP and its stabilization using polymers, polysaccharides, proteins, dendrimers, and phase-stabilizers like gel phase or ionic liquid phase. The use of GNP for pharmaceutical applications requires its surface modification using biocompatible and inert surface modifiers. The stabilizers used, interact with the surface of GNP to provide either electrostatic stabilization or steric stabilization. This review extensively discusses the surface modification techniques for GNP and the related molecular level interactions involved in the same. The influence of various factors like the concentration of stabilizers used their characteristics like chain length and thickness, pH of the surrounding media, etc., on the surface of GNP and resulting to stability have been discussed in detail. Further, this review highlights the recent applications of surface-modified GNP in the management of tumor microenvironment and cancer therapy.
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Affiliation(s)
- Kartik Hariharan
- Institute of Pharmacy, Nirma University, SG Highway, Gota, Ahmedabad-382481, Gujarat, India
| | - Parth Patel
- Institute of Pharmacy, Nirma University, SG Highway, Gota, Ahmedabad-382481, Gujarat, India
| | - Tejal Mehta
- Institute of Pharmacy, Nirma University, SG Highway, Gota, Ahmedabad-382481, Gujarat, India
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Audero MM, Prevarskaya N, Fiorio Pla A. Ca2+ Signalling and Hypoxia/Acidic Tumour Microenvironment Interplay in Tumour Progression. Int J Mol Sci 2022; 23:ijms23137377. [PMID: 35806388 PMCID: PMC9266881 DOI: 10.3390/ijms23137377] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 01/18/2023] Open
Abstract
Solid tumours are characterised by an altered microenvironment (TME) from the physicochemical point of view, displaying a highly hypoxic and acidic interstitial fluid. Hypoxia results from uncontrolled proliferation, aberrant vascularization and altered cancer cell metabolism. Tumour cellular apparatus adapts to hypoxia by altering its metabolism and behaviour, increasing its migratory and metastatic abilities by the acquisition of a mesenchymal phenotype and selection of aggressive tumour cell clones. Extracellular acidosis is considered a cancer hallmark, acting as a driver of cancer aggressiveness by promoting tumour metastasis and chemoresistance via the selection of more aggressive cell phenotypes, although the underlying mechanism is still not clear. In this context, Ca2+ channels represent good target candidates due to their ability to integrate signals from the TME. Ca2+ channels are pH and hypoxia sensors and alterations in Ca2+ homeostasis in cancer progression and vascularization have been extensively reported. In the present review, we present an up-to-date and critical view on Ca2+ permeable ion channels, with a major focus on TRPs, SOCs and PIEZO channels, which are modulated by tumour hypoxia and acidosis, as well as the consequent role of the altered Ca2+ signals on cancer progression hallmarks. We believe that a deeper comprehension of the Ca2+ signalling and acidic pH/hypoxia interplay will break new ground for the discovery of alternative and attractive therapeutic targets.
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Affiliation(s)
- Madelaine Magalì Audero
- U1003—PHYCEL—Laboratoire de Physiologie Cellulaire, Inserm, University of Lille, Villeneuve d’Ascq, 59000 Lille, France; (M.M.A.); (N.P.)
- Laboratory of Cellular and Molecular Angiogenesis, Department of Life Sciences and Systems Biology, University of Turin, 10123 Turin, Italy
| | - Natalia Prevarskaya
- U1003—PHYCEL—Laboratoire de Physiologie Cellulaire, Inserm, University of Lille, Villeneuve d’Ascq, 59000 Lille, France; (M.M.A.); (N.P.)
| | - Alessandra Fiorio Pla
- U1003—PHYCEL—Laboratoire de Physiologie Cellulaire, Inserm, University of Lille, Villeneuve d’Ascq, 59000 Lille, France; (M.M.A.); (N.P.)
- Laboratory of Cellular and Molecular Angiogenesis, Department of Life Sciences and Systems Biology, University of Turin, 10123 Turin, Italy
- Correspondence: ; Tel.: +39-0116704660
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Zichittella C, Barreca MM, Cordaro A, Corrado C, Alessandro R, Conigliaro A. Mir-675-5p supports hypoxia-induced drug resistance in colorectal cancer cells. BMC Cancer 2022; 22:567. [PMID: 35596172 PMCID: PMC9123752 DOI: 10.1186/s12885-022-09666-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 04/28/2022] [Indexed: 12/15/2022] Open
Abstract
Background The uncontrolled proliferation of cancer cells determines hypoxic conditions within the neoplastic mass with consequent activation of specific molecular pathways that allow cells to survive despite oxygen deprivation. The same molecular pathways are often the cause of chemoresistance. This study aims to investigate the role of the hypoxia-induced miR-675-5p in 5-Fluorouracil (5-FU) resistance on colorectal cancer (CRC) cells. Methods CRC cell lines were treated with 5-Fu and incubated in normoxic or hypoxic conditions; cell viability has been evaluated by MTT assay. MiR-675-5p levels were analysed by RT-PCR and loss and gain expression of the miRNA has been obtained by the transfection of miRNA antagomir or miRNA mimic. Total protein expression of different apoptotic markers was analysed through western blot assay. MirWalk 2.0 database search engine was used to investigate the putative targets of the miR-675-5p involved in the apoptotic process. Finally, the luciferase assay was done to confirm Caspase-3 as a direct target of the miR-675-5p. Results Our data demonstrated that hypoxia-induced miR-675-5p counteracts the apoptotic signal induced by 5-FU, thus taking part in the drug resistance response. We showed that the apoptotic markers, cleaved PARP and cleaved caspase-3, increased combining miR-675-5p inhibition with 5-FU treatment. Moreover, we identified pro-caspase-3 among the targets of the miR-675-5p. Conclusion Our data demonstrate that the inhibition of hypoxia-induced miR-675-5p combined with 5-FU treatment can enhances drug efficacy in both prolonged hypoxia and normoxia, indicating a possible strategy to partially overcome chemoresistance. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-022-09666-2.
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Affiliation(s)
- Chiara Zichittella
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133, Palermo, Italy
| | - Maria Magdalena Barreca
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133, Palermo, Italy.,Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128, Palermo, Italy
| | - Aurora Cordaro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133, Palermo, Italy
| | - Chiara Corrado
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133, Palermo, Italy
| | - Riccardo Alessandro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133, Palermo, Italy.,Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), 90146, Palermo, Italy
| | - Alice Conigliaro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), Section of Biology and Genetics, University of Palermo, 90133, Palermo, Italy.
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Yu Z, Li H, Zhu J, Wang H, Jin X. The roles of E3 ligases in Hepatocellular carcinoma. Am J Cancer Res 2022; 12:1179-1214. [PMID: 35411231 PMCID: PMC8984888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 02/15/2022] [Indexed: 06/14/2023] Open
Abstract
Hepatocarcinogenesis is a complex multistep biological process involving genetic and epigenetic alterations that are accompanied by activation of oncoproteins and inactivation of tumor suppressors, which in turn results in Hepatocellular carcinoma (HCC), one of the common tumors with high morbidity and mortality worldwide. The ubiquitin-proteasome system (UPS) is the key to protein degradation and regulation of physiological and pathological processes, and E3 ligases are key enzymes in the UPS that contain a variety of subfamily proteins involved in the regulation of some common signal pathways in HCC. There is growing evidence that many structural or functional dysfunctions of E3 are engaged in the development and progression of HCC. Herein, we review recent research advances in HCC-associated E3 ligases, describe their structure, classification, functional roles, and discuss some mechanisms of the abnormal activation or inactivation of the HCC-associated signal pathway due to the binding of E3 to known substrates. In addition, given the success of proteasome inhibitors in the treatment of malignant cancers, we characterize the current knowledge and future prospects for targeted therapies against aberrant E3 in HCC.
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Affiliation(s)
- Zongdong Yu
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Hong Li
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Jie Zhu
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Haibiao Wang
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
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Cellular mechanism of action of 2-nitroimidzoles as hypoxia-selective therapeutic agents. Redox Biol 2022; 52:102300. [PMID: 35430547 PMCID: PMC9038562 DOI: 10.1016/j.redox.2022.102300] [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: 01/06/2022] [Revised: 03/05/2022] [Accepted: 03/18/2022] [Indexed: 02/06/2023] Open
Abstract
Solid tumours are often poorly oxygenated, which confers resistance to standard treatment modalities. Targeting hypoxic tumours requires compounds, such as nitroimidazoles (NIs), equipped with the ability to reach and become activated within diffusion limited tumour niches. NIs become selectively entrapped in hypoxic cells through bioreductive activation, and have shown promise as hypoxia directed therapeutics. However, little is known about their mechanism of action, hindering the broader clinical usage of NIs. Iodoazomycin arabinofuranoside (IAZA) and fluoroazomycin arabinofuranoside (FAZA) are clinically validated 2-NI hypoxic radiotracers with excellent tumour uptake properties. Hypoxic cancer cells have also shown preferential susceptibility to IAZA and FAZA treatment, making them ideal candidates for an in-depth study in a therapeutic setting. Using a head and neck cancer model, we show that hypoxic cells display higher sensitivity to IAZA and FAZA, where the drugs alter cell morphology, compromise DNA replication, slow down cell cycle progression and induce replication stress, ultimately leading to cytostasis. Effects of IAZA and FAZA on target cellular macromolecules (DNA, proteins and glutathione) were characterized to uncover potential mechanism(s) of action. Covalent binding of these NIs was only observed to cellular proteins, but not to DNA, under hypoxia. While protein levels remained unaffected, catalytic activities of NI target proteins, such as the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and the detoxification enzyme glutathione S-transferase (GST) were significantly curtailed in response to drug treatment under hypoxia. Intraperitoneal administration of IAZA was well-tolerated in mice and produced early (but transient) growth inhibition of subcutaneous mouse tumours. Hypoxic cells display preferential sensitivity to IAZA and FAZA. They alter cell morphology and induce cytostasis. IAZA and FAZA generate covalent adducts of proteins but not DNA. GAPDH and GST activities, but not protein levels, are significantly reduced.
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Wang J, Li Y, Zhang C, Chen X, Zhu L, Luo T. A hypoxia-linked gene signature for prognosis prediction and evaluating the immune microenvironment in patients with hepatocellular carcinoma. Transl Cancer Res 2022; 10:3979-3992. [PMID: 35116696 PMCID: PMC8798548 DOI: 10.21037/tcr-21-741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/30/2021] [Indexed: 12/22/2022]
Abstract
Background Previous research indicates that hypoxia critically affects the initiation and progression of hepatocellular carcinoma (HCC). Nevertheless, the molecular mechanisms responsible for HCC development are poorly understood. Herein, we purposed to build a prognostic model using hypoxia-linked genes to predict patient prognosis and investigate the relationship of hypoxia with immune status in the tumor microenvironment (TME). Methods The training cohort included transcriptome along with clinical data abstracted from The Cancer Genome Atlas (TCGA). The validation cohort was abstracted from Gene Expression Omnibus (GEO). Univariate along with multivariate Cox regression were adopted to create the prediction model. We divided all patients into low- and high-risk groups using median risk scores. The estimation power of the prediction model was determined with bioinformatic tools. Results Six hypoxia-linked genes, HMOX1, TKTL1, TPI1, ENO2, LDHA, and SLC2A1, were employed to create an estimation model. Kaplan-Meier, ROC curve, and risk plot analyses demonstrated that the estimation potential of the risk model was satisfactory. Univariate along with multivariate regression data illustrated that the risk model could independently predict the overall survival (OS). A nomogram integrating the risk signature and clinicopathological characteristics showed a good potential to estimate HCC prognosis. Gene set enrichment analysis (GSEA) revealed that genes associated with cell proliferation and metabolism cascades were abundant in high-risk group. Furthermore, the signature showed a strong ability to distinguish the two groups in terms of immune status. Conclusions A prediction model for predicting HCC prognosis using six hypoxia-linked genes was designed in this study, facilitating the diagnosis and treatment of HCC.
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Affiliation(s)
- Jukun Wang
- Department of General Surgery, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Yu Li
- Department of General Surgery, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Chao Zhang
- Department of General Surgery, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Xin Chen
- Department of General Surgery, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Linzhong Zhu
- Department of General Surgery, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Tao Luo
- Department of General Surgery, Xuanwu Hospital of Capital Medical University, Beijing, China
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Deng Z, Teng YJ, Zhou Q, Ouyang ZG, Hu YX, Long HP, Hu MJ, Mei S, Lin FX, Dai XJ, Zhang BY, Feng T, Tian XF. Shuyu pills inhibit immune escape and enhance chemosensitization in hepatocellular carcinoma. World J Gastrointest Oncol 2021; 13:1725-1740. [PMID: 34853646 PMCID: PMC8603453 DOI: 10.4251/wjgo.v13.i11.1725] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/18/2021] [Accepted: 09/17/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is characterized by dysregulation of the immune microenvironment and the development of chemoresistance. Specifically, expression of the programmed cell death protein 1 (PD-1)/programmed cell death 1 ligand 1 (PD-L1) axis, an immune checkpoint, may lead to tumour immune escape, resulting in disease progression. The latest research shows that tumour immune escape may be caused by the upregulation of PD-L1 mediated by hypoxia-inducible factor-1 alpha (HIF-1α), and simultaneous inhibition of HIF-1α and PD-L1 has the potential to enhance the host’s antitumour immunity. Moreover, inhibition of the PD-1/PD-L1 axis may mitigate tumour chemoresistance. Shuyu pills (SYPs) contain immunity-enhancing and antitumour components, making them a potential HCC treatment.
AIM To investigate the efficacy of SYPs for HCC treatment via simultaneous HIF-1α and PD-L1 inhibition and the mechanism involved.
METHODS A subcutaneous xenograft tumour model was first established in BALB/c nude mice by the subcutaneous injection of 1 × 107 SMMC-7721 cells. Male mice (male, 5 weeks old; n = 24) were then randomly divided into the following four groups (n = 6): Control (0.9% normal saline), SYP (200 mg/kg), SYP + cisplatin (DDP) (200 mg/kg + 5 mg/kg DDP weekly via intraperitoneal injection), and DDP (5 mg/kg cisplatin weekly via intraperitoneal injection). The dose of saline or SYPs for the indicated mouse groups was 0.2 mL/d via intragastric administration. The tumour volumes and body weights of the mice were measured every 2 d. The mice were euthanized by cervical dislocation after 14 d of continuous treatment, and the xenograft tissues were excised and weighed. Western blot assays were used to measure the protein expression of HIF-1α, PD1, PD-L1, CD4+ T cells, and CD8+ T cells in HCC tumours from mice. Quantitative reverse transcription polymerase chain reaction was used for real-time quantitative detection of PD-1, PD-L1, and HIF-1α mRNA expression. An immunofluorescence assay was conducted to examine the expression of CD4+ T cells and CD8+ T cells.
RESULTS Compared to mice in the control group, those in the SYP and SYP + DDP groups exhibited reduced tumour volumes and tumour weights. Moreover, the protein and mRNA expression levels of the oncogene HIF1α and that of the negative immunomodulatory factors PD-1 and PD-L1 were decreased in both the SYP and SYP + DDP groups, with the decrease effects being more prominent in the SYP + DDP group than in the SYP group (HIF-1α protein: Control vs SYP, P = 0.0129; control vs SYP + DDP, P = 0.0004; control vs DDP, P = 0.0152, SYP + DDP vs DDP, P = 0.0448; HIF-1α mRNA: control vs SYP, P = 0.0009; control vs SYP + DDP, P < 0.0001; control vs DDP, P = 0.0003, SYP vs SYP + DDP, P = 0.0192. PD-1 protein: Control vs SYP, P = 0.0099; control vs SYP + DDP, P < 0.0001, SPY vs SYP + DDP, P = 0.0009; SYP + DDP vs DDP, P < 0.0001; PD-1 mRNA: control vs SYP, P = 0.0002; control vs SYP + DDP, P < 0.0001; control vs DDP, P = 0.0003, SPY vs SYP + DDP, P = 0.0003; SYP + DDP vs DDP, P = 0.0002. PD-L1 protein: control vs SYP, P < 0.0001; control vs SYP + DDP, P < 0.0001; control vs DDP, P < 0.0001, SPY vs SYP + DDP, P = 0.0040; SYP + DDP vs DDP, P = 0.0010; PD-L1 mRNA: Control vs SYP, P < 0.0001; control vs SYP + DDP, P < 0.0001; control vs DDP, P < 0.0001, SPY vs SYP + DDP, P < 0.0001; SYP + DDP vs DDP, P = 0.0014). Additionally, the quantitative and protein expression levels of CD4+ T cells and CD8+ T cells were simultaneously upregulated in the SYP + DDP group, whereas only the expression of CD4+ T cells was upregulated in the SYP group. (CD4+ T cell quantitative: Control vs SYP + DDP, P < 0.0001, SYP vs SYP + DDP, P = 0.0005; SYP + DDP vs DDP, P = 0.0002. CD4+ T cell protein: Control vs SYP, P = 0.0033; Control vs SYP + DDP, P < 0.0001; Control vs DDP, P = 0.0021, SYP vs SYP + DDP, P = 0.0004; SYP + DDP vs DDP, P = 0.0006. Quantitative CD8+ T cells: Control vs SYP + DDP, P = 0.0013; SYP vs SYP + DDP, P = 0.0347; SYP + DDP vs DDP, P = 0.0043. CD8+ T cell protein: Control vs SYP + DDP, P < 0.0001; SYP vs SYP + DDP, P < 0.0001; SYP + DDP vs DDP, P < 0.0001). Finally, expression of HIF-1α was positively correlated with that of PD-1/PD-L1 and negatively correlated with the expression of CD4+ T cells and CD8+ T cells.
CONCLUSION SYPs inhibit immune escape and enhance chemosensitization in HCC via simultaneous inhibition of HIF-1α and PD-L1, thus inhibiting the growth of subcutaneous xenograft HCC tumours.
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Affiliation(s)
- Zhe Deng
- College of Integrated Chinese and Western Medicine, Hunan Key Laboratory of Translational Research in Formulas and Zheng of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Yong-Jie Teng
- The First Hospital of Hunan University of Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Qing Zhou
- The First Hospital of Hunan University of Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Zhao-Guang Ouyang
- Department of Preventive Dentistry, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou Medical University, Guangzhou 510132, Guangdong Province, China
| | - Yu-Xing Hu
- The First Hospital of Hunan University of Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Hong-Ping Long
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Mei-Jie Hu
- The First Hospital of Hunan University of Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Si Mei
- Department of Physiology, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Feng-Xia Lin
- Department of Cardiology, Shenzhen Bao'an Traditional Chinese Medicine Hospital Group, The Affiliated Hospital of Guangzhou University of Chinese Medicine, Shenzhen 518133, Guangdong Province, China
| | - Xin-Jun Dai
- College of Integrated Chinese and Western Medicine, Hunan Key Laboratory of Translational Research in Formulas and Zheng of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Bo-Yu Zhang
- College of Acupuncture and Massage, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Ting Feng
- College of Integrated Chinese and Western Medicine, Hunan Key Laboratory of Translational Research in Formulas and Zheng of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Xue-Fei Tian
- College of Integrated Chinese and Western Medicine, Hunan Key Laboratory of Translational Research in Formulas and Zheng of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
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Bisht VS, Giri K, Kumar D, Ambatipudi K. Oxygen and metabolic reprogramming in the tumor microenvironment influences metastasis homing. Cancer Biol Ther 2021; 22:493-512. [PMID: 34696706 DOI: 10.1080/15384047.2021.1992233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Tumor metastasis is the leading cause of cancer mortality, often characterized by abnormal cell growth and invasion to distant organs. The cancer invasion due to epithelial to mesenchymal transition is affected by metabolic and oxygen availability in the tumor-associated micro-environment. A precise alteration in oxygen and metabolic signaling between healthy and metastatic cells is a substantial probe for understanding tumor progression and metastasis. Molecular heterogeneity in the tumor microenvironment help to sustain the metastatic cell growth during their survival shift from low to high metabolic-oxygen-rich sites and reinforces the metastatic events. This review highlighted the crucial role of oxygen and metabolites in metastatic progression and exemplified the role of metabolic rewiring and oxygen availability in cancer cell adaptation. Furthermore, we have also addressed potential applications of altered oxygen and metabolic networking with tumor type that could be a signature pattern to assess tumor growth and chemotherapeutics efficacy in managing cancer metastasis.
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Affiliation(s)
- Vinod S Bisht
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, India
| | - Kuldeep Giri
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, India
| | - Deepak Kumar
- Department of Cancer Biology, Central Drug Research Institute, Lucknow, India.,Academy of Scientific & Innovative Research, New Delhi, India
| | - Kiran Ambatipudi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, India
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15
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Hypoxia, Metabolic Reprogramming, and Drug Resistance in Liver Cancer. Cells 2021; 10:cells10071715. [PMID: 34359884 PMCID: PMC8304710 DOI: 10.3390/cells10071715] [Citation(s) in RCA: 135] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/24/2021] [Accepted: 07/03/2021] [Indexed: 12/24/2022] Open
Abstract
Hypoxia, low oxygen (O2) level, is a hallmark of solid cancers, especially hepatocellular carcinoma (HCC), one of the most common and fatal cancers worldwide. Hypoxia contributes to drug resistance in cancer through various molecular mechanisms. In this review, we particularly focus on the roles of hypoxia-inducible factor (HIF)-mediated metabolic reprogramming in drug resistance in HCC. Combination therapies targeting hypoxia-induced metabolic enzymes to overcome drug resistance will also be summarized. Acquisition of drug resistance is the major cause of unsatisfactory clinical outcomes of existing HCC treatments. Extra efforts to identify novel mechanisms to combat refractory hypoxic HCC are warranted for the development of more effective treatment regimens for HCC patients.
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16
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Hino Y, Rahman MM, Lai YC, Husna AA, Chen HW, Hasan MN, Nakagawa T, Miura N. Hypoxic miRNAs expression are different between primary and metastatic melanoma cells. Gene 2021; 782:145552. [PMID: 33705812 DOI: 10.1016/j.gene.2021.145552] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 02/16/2021] [Accepted: 02/23/2021] [Indexed: 12/29/2022]
Abstract
MicroRNAs (miRNAs) can rapidly respond to cellular stresses, such as hypoxia. This immediate miRNA response regulates numerous genes and influences multiple signaling pathways. Therefore, identifying hypoxia-regulated miRNAs (HRMs) is important in canine oral melanoma (COM) to investigate their clinical significance. The hypoxic and normoxic miRNA profiles of two COM cell lines were investigated by next generation sequencing. HRMs were identified by comparing miRNA expression profiles in these cell lines with that in COM tissue. The HRM profile was different between cell lines of primary and metastatic origin, except for miR-301a and miR-8884. The time course of miRNA expression determined by qRT-PCR, especially for miR-210 and miR-301a, showed that metastatic cells are more resistant to hypoxia than primary cells. Analysis of an experimentally validated human miRNA target database revealed that miR-21 and miR-301a control a complex gene regulatory network in response to hypoxia, which includes pathways of well-known oncogenes, such as VEGF, PTEN, and TGFBR2. In conclusions, we revealed the HRM of COM. Moreover, our study shows the difference in regulation and response of hypoxic miRNAs between primary and metastatic originated melanoma cells.
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Affiliation(s)
- Yasunori Hino
- Clinical Veterinary Science, The United Graduate School of Veterinary Science, Yamaguchi University, Kagoshima 890-0065, Japan
| | - Md Mahfuzur Rahman
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan.
| | - Yu-Chang Lai
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan
| | - Al Asmaul Husna
- Clinical Veterinary Science, The United Graduate School of Veterinary Science, Yamaguchi University, Kagoshima 890-0065, Japan.
| | - Hui-Wen Chen
- Clinical Veterinary Science, Joint Graduate School of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan
| | - Md Nazmul Hasan
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan
| | - Takayuki Nakagawa
- Department of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8654, Japan
| | - Naoki Miura
- Clinical Veterinary Science, The United Graduate School of Veterinary Science, Yamaguchi University, Kagoshima 890-0065, Japan; Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan; Clinical Veterinary Science, Joint Graduate School of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan.
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17
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Prasad S, Chandra A, Cavo M, Parasido E, Fricke S, Lee Y, D'Amone E, Gigli G, Albanese C, Rodriguez O, Del Mercato LL. Optical and magnetic resonance imaging approaches for investigating the tumour microenvironment: state-of-the-art review and future trends. NANOTECHNOLOGY 2021; 32:062001. [PMID: 33065554 DOI: 10.1088/1361-6528/abc208] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The tumour microenvironment (TME) strongly influences tumorigenesis and metastasis. Two of the most characterized properties of the TME are acidosis and hypoxia, both of which are considered hallmarks of tumours as well as critical factors in response to anticancer treatments. Currently, various imaging approaches exist to measure acidosis and hypoxia in the TME, including magnetic resonance imaging (MRI), positron emission tomography and optical imaging. In this review, we will focus on the latest fluorescent-based methods for optical sensing of cell metabolism and MRI as diagnostic imaging tools applied both in vitro and in vivo. The primary emphasis will be on describing the current and future uses of systems that can measure intra- and extra-cellular pH and oxygen changes at high spatial and temporal resolution. In addition, the suitability of these approaches for mapping tumour heterogeneity, and assessing response or failure to therapeutics will also be covered.
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Affiliation(s)
- Saumya Prasad
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
| | - Anil Chandra
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
| | - Marta Cavo
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
| | - Erika Parasido
- Department of Oncology, Georgetown University Medical Center, Washington, DC, United States of America
- Center for Translational Imaging, Georgetown University Medical Center, Washington, DC, United States of America
| | - Stanley Fricke
- Department of Oncology, Georgetown University Medical Center, Washington, DC, United States of America
- Center for Translational Imaging, Georgetown University Medical Center, Washington, DC, United States of America
- Department of Radiology, Georgetown University Medical Center, Washington, DC, United States of America
| | - Yichien Lee
- Department of Oncology, Georgetown University Medical Center, Washington, DC, United States of America
| | - Eliana D'Amone
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
| | - Giuseppe Gigli
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
- Department of Mathematics and Physics 'Ennio De Giorgi', University of Salento, via Arnesano, 73100, Lecce, Italy
| | - Chris Albanese
- Department of Oncology, Georgetown University Medical Center, Washington, DC, United States of America
- Center for Translational Imaging, Georgetown University Medical Center, Washington, DC, United States of America
- Department of Radiology, Georgetown University Medical Center, Washington, DC, United States of America
| | - Olga Rodriguez
- Department of Oncology, Georgetown University Medical Center, Washington, DC, United States of America
- Center for Translational Imaging, Georgetown University Medical Center, Washington, DC, United States of America
| | - Loretta L Del Mercato
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), c/o Campus Ecotekne, via Monteroni, 73100, Lecce, Italy
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Wu XL, Chen Y, Kong WC, Zhao ZQ. Amyloid precursor protein regulates 5-fluorouracil resistance in human hepatocellular carcinoma cells by inhibiting the mitochondrial apoptotic pathway. J Zhejiang Univ Sci B 2021; 21:234-245. [PMID: 32133800 DOI: 10.1631/jzus.b1900413] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hepatocellular carcinoma (HCC) is a malignant tumor with high morbidity and mortality globally. It accounts for the majority of primary liver cancer cases. Amyloid precursor protein (APP), a cell membrane protein, plays a vital role in the pathogenesis of Alzheimer's disease, and has been found to be implicated in tumor growth and metastasis. Therefore, to understand the relationship between APP and 5-fluorouracil (5-FU) resistance in liver cancer, Cell Counting Kit-8, apoptosis and cell cycle assays, western blotting, and reverse transcription-quantitative polymerase chain reaction (qPCR) analysis were performed. The results demonstrated that APP expression in Bel7402-5-FU cells was significantly up-regulated, as compared with that in Bel7402 cells. Through successful construction of APP-silenced (siAPP) and overexpressed (OE) Bel7402 cell lines, data revealed that the Bel7402-APP751-OE cell line was insensitive, while the Bel7402-siAPP cell line was sensitive to 5-FU in comparison to the matched control group. Furthermore, APP overexpression decreased, while APP silencing increased 5-FU-induced apoptosis in Bel7402 cells. Mechanistically, APP overexpression and silencing can regulate the mitochondrial apoptotic pathway and the expression of apoptotic suppressor genes (B-cell lymphoma-2 (Bcl-2) and B-cell lymphoma-extra large (Bcl-xl)). Taken together, these results preliminarily revealed that APP overexpression contributes to the resistance of liver cancer cells to 5-FU, providing a new perspective for drug resistance.
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Affiliation(s)
- Xiao-Long Wu
- Department of Oncology, 900 Hospital of the Joint Logistics Team, Fuzhou 350025, China
| | - Ying Chen
- Department of Oncology, 900 Hospital of the Joint Logistics Team, Fuzhou 350025, China
| | - Wen-Cui Kong
- Department of Oncology, 900 Hospital of the Joint Logistics Team, Fuzhou 350025, China
| | - Zhong-Quan Zhao
- Department of Oncology, 900 Hospital of the Joint Logistics Team, Fuzhou 350025, China
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19
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Guo N, Zhou Y, Wang T, Lin M, Chen J, Zhang Z, Zhong X, Lu Y, Yang Q, Xu D, Gao J, Han M. Specifically Eliminating Tumor-Associated Macrophages with an Extra- and Intracellular Stepwise-Responsive Nanocarrier for Inhibiting Metastasis. ACS APPLIED MATERIALS & INTERFACES 2020; 12:57798-57809. [PMID: 33325679 DOI: 10.1021/acsami.0c19301] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Metastasis is the primary cause of death for most cancer patients, in which tumor-associated macrophages (TAMs) are involved through several mechanisms. While hitherto there is still a lack of study on exclusive elimination of TAMs to inhibit metastasis due to the difficulties in specific targeting of TAMs, we construct an extra- and intracellular stepwise-responsive delivery system p-(aminomethyl)benzoic acid (PAMB)/doxorubicin (DOX) to achieve specific TAM depletion for the first time, thereby preventing tumor metastasis. Once accumulated into the tumor, PAMB/DOX would stepwise responsively (hypoxia and reactive oxygen species (ROS) responsively) disintegrate to expose the TAM-targeting ligand and release DOX sequentially, which depletes TAMs effectively in vivo. Owing to the inhibition of extracellular matrix (ECM) degradation, neovascularization, and tumor invasion contributed by TAM depletion, lung metastasis was successfully inhibited. Furthermore, PAMB/DOX showed efficient inhibition against tumor growth as well as spontaneous metastasis formation when combined with additional chemotherapy, representing a safe and efficient nanoplatform to modulate the adverse tumor microenvironment via TAM elimination.
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Affiliation(s)
- Ningning Guo
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yi Zhou
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Tiantian Wang
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Mengting Lin
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jiejian Chen
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhentao Zhang
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xincheng Zhong
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yiying Lu
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qiyao Yang
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Donghang Xu
- Department of Pharmacy, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Jianqing Gao
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Min Han
- Institution of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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20
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Liang C, Dong Z, Cai X, Shen J, Xu Y, Zhang M, Li H, Yu W, Chen W. Hypoxia induces sorafenib resistance mediated by autophagy via activating FOXO3a in hepatocellular carcinoma. Cell Death Dis 2020; 11:1017. [PMID: 33250518 PMCID: PMC7701149 DOI: 10.1038/s41419-020-03233-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 11/04/2020] [Accepted: 11/10/2020] [Indexed: 12/14/2022]
Abstract
Sorafenib, a multikinase inhibitor, is considered as the only approved drug to cure the advanced hepatocellular carcinoma (HCC); however, the acquired chemoresistance caused by intratumoral hypoxia through sorafenib long term therapy induces sorafenib inefficacy. We demonstrated here that hypoxia significantly attenuated sensitivity of HCC cells to sorafenib treatment and reduced its proliferation. Autophagy was observed in sorafenib-treated HCC cells in hypoxia, and inhibition of autophagy by 3-MA eliminated hypoxia-induced sorafenib resistance. Further study revealed hypoxia-activated FOXO3a, an important cellular stress transcriptional factor, via inducing its dephosphorylation and nuclear location; and FOXO3a-dependent transcriptive activation of beclin-1 was responsible for hypoxia-induced autophagy in HCC cells. Knockout of FOXO3a inhibited the autophagy induced by sorafenib itself in normoxia and significantly enhanced the cytotoxicity of sorafenib in HCC cells; and it also inhibited the hypoxia-induced autophagy and achieved the same effect in sorafenib sensitivity-enhancement in HCC cells as it in normoxia. Finally, knockout of intratumoral FOXO3a significantly enhanced curative efficacy of sorafenib via inhibition of autophagy in xenograft tumors in nude mice. Collectively, our study suggests that FOXO3a plays a key role in regulating hypoxia-induced autophagy in sorafenib-treated HCC, and FOXO3-targeted therapy may serve as a promising approach to improve clinical prognosis of patients suffering from HCC.
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Affiliation(s)
- Chao Liang
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China.
| | - Zhebin Dong
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China
| | - Xianlei Cai
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China
| | - Jie Shen
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China
| | - Yuan Xu
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China
| | - Miaozun Zhang
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China
| | - Hong Li
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China
| | - Weiming Yu
- Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, 315040, PR China.
| | - Wei Chen
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, 310012, PR China.
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21
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Zhang Q, He J, Yu W, Li Y, Liu Z, Zhou B, Liu Y. A promising anticancer drug: a photosensitizer based on the porphyrin skeleton. RSC Med Chem 2020; 11:427-437. [PMID: 33479647 PMCID: PMC7460723 DOI: 10.1039/c9md00558g] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 01/28/2020] [Indexed: 12/12/2022] Open
Abstract
Photodynamic therapy (PDT) is a minimally invasive combination of treatments that treat tumors and other diseases by using photosensitizers, light and oxygen to produce cytotoxic reactive oxygen species (ROS) inducing tumor cell apoptosis. Photosensitizers are the key part of PDT for clinical application and experimental research, and most of them are porphyrin compounds at present. Due to their unique affinity for tumor tissues, porphyrins are not only excellent photosensitizers, but also good carriers to transport other active drugs into tumor tissues, which can exert synergistic anticancer effects of PDT and chemotherapy. This article reviews the clinical development of porphyrin photosensitizers and the research status of porphyrin containing bioactive groups. Finally, future perspectives and the current challenges of photosensitizers based on the porphyrin skeleton are discussed.
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Affiliation(s)
- Qizhi Zhang
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Jun He
- Institute of Chemistry & Chemical Engineering , University of South China , Hengyang City , Hunan Province 421001 , P.R. China
| | - Wenmei Yu
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Yanchun Li
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Zhenhua Liu
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Binning Zhou
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
| | - Yunmei Liu
- Institute of Pharmacy & Pharmacology , Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study , University of South China , Hengyang City , Hunan Province 421001 , P.R. China .
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research , 28 Western Changshen Road , Hengyang City , Hunan Province 421001 , P.R. China
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22
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Guo DD, Xie KF, Luo XJ. Hypoxia-induced elevated NDRG1 mediates apoptosis through reprograming mitochondrial fission in HCC. Gene 2020; 741:144552. [PMID: 32165297 DOI: 10.1016/j.gene.2020.144552] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 03/08/2020] [Indexed: 01/15/2023]
Abstract
Hypoxia, as a form of stress, plays a critical role in oncogenesis, including metabolic reprogramming. Mitochondrial, the centers of energy production, re-balance mitochondria dynamic to maintain cell survival during high levels of environmental stresses. NDRG1 is a hypoxia-inducible protein that is involved in various human cancers, including HCC. However, little is known about whether NDRG1 participants in the quality control of mitochondrial in times of stress. Here, we firstly showed that how NDRG1 exerted its role through mediating mitochondrial dynamic in HCC cells under hypoxia. Initially, we identified that NDRG1 expression varies with oxygen content. NDRG1 silencing notably induced cell apoptosis under hypoxia, while no obviously change of wildtype cells in hypoxia compared with that in normoxia. Further analysis revealed that NDRG1 silencing in HCC cells led to increase of pro apoptotic protein BAX and decrease in anti-apoptotic proteins Bcl-2 and Bclx, which meant mitochondrial damage were induced. In the analysis of mitochondria, we found that more released cytochrome c located in cytosolic with NDRG1 knockdown in hypoxia, which may be due to mitochondria division. And the following experiment proved that more fragmented mitochondria were presented in NDRG1 silencing cells, as well as destroyed mitochondrial membrane potential with evidence by JC-1 was verified. Moreover, these trends could be reversed by Mdivi1. Further research showed that NDRG1 silencing disrupt hypoxia-enhanced aerobic glycolysis through effectively decreased glucose uptake, lactate output and ECAR value. In sum, we provide the first direct evidence that NDRG1-driven change in mitochondrial dynamics and aerobic glycolysis maintain cells survival in HCC during hypoxia.
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Affiliation(s)
- Dong-Dong Guo
- Department of Anesthesia, Children's Hospital of Fudan University, 399 Wan Yuan Road, Shanghai 201102, PR China.
| | - Kun-Feng Xie
- Department of Anesthesia, Children's Hospital of Fudan University, 399 Wan Yuan Road, Shanghai 201102, PR China.
| | - Xing-Jing Luo
- Department of Anesthesia, Children's Hospital of Fudan University, 399 Wan Yuan Road, Shanghai 201102, PR China.
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23
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Weng J, Huang Z, Pu X, Chen X, Yin G, Tian Y, Song Y. Preparation of polyethylene glycol-polyacrylic acid block copolymer micelles with pH/hypoxic dual-responsive for tumor chemoradiotherapy. Colloids Surf B Biointerfaces 2020; 191:110943. [PMID: 32203861 DOI: 10.1016/j.colsurfb.2020.110943] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 02/08/2023]
Abstract
Block copolymers of poly(ethylene glycol)-poly(acrylic acid) linked with metronidazole (MN-PAA-PEG) were prepared via carbodiimide and esterification methods, and self-assembled into core-shell micelles as nano radiosensitizers and carriers of doxorubicin (DOX) delivery. These DOX/MN-PAA-PEG micelles exhibited good pH value and hypoxia dual-responsive properties via analyzing the change of micelle size and drug‒release behavior under hypoxia humor condition. The results of the cell test indicated that DOX was efficiently delivered by DOX/MN-PAA-PEG micelles into the cell nuclei. Compared to 22.4 % of their DOX release under pH 7.4, the rate of DOX release from DOX/MN-PAA-PEG micelles under reducing condition (pH 5.0) was up to 55.9 %. DOX-loaded micelles under 600 MU electron radiation and hypoxia induced the rapidest apoptosis of the tumor-cells, indicating the synergistic effect of their radiotherapy and chemotherapy from the prepared micelles. In vivo investigation and fluorescence imaging revealed that MN-PAA-PEG possessed no toxicity on main organs, and DOX/MN-PAA-PEG micelles were mainly accumulated in the tumor site at 10 h of post-injection, suggesting their good passive tumor-targeted effect. These results suggested that DOX/MN-PAA-PEG micelles were promising candidates for chemoradiotherapy on tumor.
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Affiliation(s)
- Jiajia Weng
- College of Materials Science and Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu 610065, China
| | - Zhongbing Huang
- College of Materials Science and Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu 610065, China.
| | - Ximing Pu
- College of Materials Science and Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu 610065, China
| | - Xianchun Chen
- College of Materials Science and Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu 610065, China
| | - Guangfu Yin
- College of Materials Science and Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu 610065, China
| | - Yaping Tian
- College of Materials Science and Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu 610065, China
| | - Ying Song
- Department of Radiology, West China Hospital of Sichuan University, No. 37, Guangxue Lane, Chengdu 610093, China.
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24
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Stamati K, Redondo PA, Nyga A, Neves JB, Tran MGB, Emberton M, Cheema U, Loizidou M. The anti-angiogenic tyrosine kinase inhibitor Pazopanib kills cancer cells and disrupts endothelial networks in biomimetic three-dimensional renal tumouroids. J Tissue Eng 2020; 11:2041731420920597. [PMID: 32489578 PMCID: PMC7238304 DOI: 10.1177/2041731420920597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 03/30/2020] [Indexed: 12/31/2022] Open
Abstract
Pazopanib is a tyrosine kinase inhibitor used to treat renal cell carcinoma. Few in vitro studies investigate its effects towards cancer cells or endothelial cells in the presence of cancer. We tested the effect of Pazopanib on renal cell carcinoma cells (CAKI-2,786-O) in two-dimensional and three-dimensional tumouroids made of dense extracellular matrix, treated in normoxia and hypoxia. Finally, we engineered complex tumouroids with a stromal compartment containing fibroblasts and endothelial cells. Simple CAKI-2 tumouroids were more resistant to Pazopanib than 786-O tumouroids. Under hypoxia, while the more 'resistant' CAKI-2 tumouroids showed no decrease in viability, 786-O tumouroids required higher Pazopanib concentrations to induce cell death. In complex tumouroids, Pazopanib exposure led to a reduction in the overall cell viability (p < 0.0001), disruption of endothelial networks and direct killing of renal cell carcinoma cells. We report a biomimetic multicellular tumouroid for drug testing, suitable for agents whose primary target is not confined to cancer cells.
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Affiliation(s)
- Katerina Stamati
- Research Department of Surgical
Biotechnology, Division of Surgery & Interventional Science, University College
London, London, UK
| | - Patricia A Redondo
- Research Department of Surgical
Biotechnology, Division of Surgery & Interventional Science, University College
London, London, UK
| | - Agata Nyga
- Research Department of Surgical
Biotechnology, Division of Surgery & Interventional Science, University College
London, London, UK
| | - Joana B Neves
- Research Department of Surgical
Biotechnology, Division of Surgery & Interventional Science, University College
London, London, UK
- Specialist Centre for Kidney Cancer,
Royal Free London NHS Foundation Trust, London, UK
| | - Maxine GB Tran
- Research Department of Surgical
Biotechnology, Division of Surgery & Interventional Science, University College
London, London, UK
- Specialist Centre for Kidney Cancer,
Royal Free London NHS Foundation Trust, London, UK
| | - Mark Emberton
- Research Department of Targeted
Intervention, Division of Surgery & Interventional Science, University College
London, London, UK
- Department of Urology, University
College London Hospitals NHS Foundation Trust, London, UK
| | - Umber Cheema
- Research Department of Targeted
Intervention, Division of Surgery & Interventional Science, University College
London, London, UK
| | - Marilena Loizidou
- Research Department of Surgical
Biotechnology, Division of Surgery & Interventional Science, University College
London, London, UK
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25
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Méndez-Blanco C, Fondevila F, Fernández-Palanca P, García-Palomo A, van Pelt J, Verslype C, González-Gallego J, Mauriz JL. Stabilization of Hypoxia-Inducible Factors and BNIP3 Promoter Methylation Contribute to Acquired Sorafenib Resistance in Human Hepatocarcinoma Cells. Cancers (Basel) 2019; 11:E1984. [PMID: 31835431 PMCID: PMC6966438 DOI: 10.3390/cancers11121984] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/27/2019] [Accepted: 12/06/2019] [Indexed: 01/19/2023] Open
Abstract
Despite sorafenib effectiveness against advanced hepatocarcinoma (HCC), long-term exposure to antiangiogenic drugs leads to hypoxic microenvironment, a key contributor to chemoresistance acquisition. We aimed to study the role of hypoxia in the development of sorafenib resistance in a human HCC in vitro model employing the HCC line HepG2 and two variants with acquired sorafenib resistance, HepG2S1 and HepG2S3, and CoCl2 as hypoximimetic. Resistant cells exhibited a faster proliferative rate and hypoxia adaptive mechanisms, linked to the increased protein levels and nuclear translocation of hypoxia-inducible factors (HIFs). HIF-1α and HIF-2α overexpression was detected even under normoxia through a deregulation of its degradation mechanisms. Proapoptotic markers expression and subG1 population decreased significantly in HepG2S1 and HepG2S3, suggesting evasion of sorafenib-mediated cell death. HIF-1α and HIF-2α knockdown diminished resistant cells viability, relating HIFs overexpression with its prosurvival ability. Additionally, epigenetic silencing of Bcl-2 interacting protein 3 (BNIP3) was observed in sorafenib resistant cells under hypoxia. Demethylation of BNIP3 promoter, but not histone acetylation, restored BNIP3 expression, driving resistant cells' death. Altogether, our results highlight the involvement of HIFs overexpression and BNIP3 methylation-dependent knockdown in the development of sorafenib resistance in HCC. Targeting both prosurvival mechanisms could overcome chemoresistance and improve future therapeutic approaches.
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Affiliation(s)
- Carolina Méndez-Blanco
- Institute of Biomedicine (IBIOMED), University of León, Campus of Vegazana s/n, 24071 León, Spain; (C.M.-B.); (F.F.); (P.F.-P.); (J.G.-G.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Av. de Monforte de Lemos, 5, 28029 Madrid, Spain
| | - Flavia Fondevila
- Institute of Biomedicine (IBIOMED), University of León, Campus of Vegazana s/n, 24071 León, Spain; (C.M.-B.); (F.F.); (P.F.-P.); (J.G.-G.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Av. de Monforte de Lemos, 5, 28029 Madrid, Spain
| | - Paula Fernández-Palanca
- Institute of Biomedicine (IBIOMED), University of León, Campus of Vegazana s/n, 24071 León, Spain; (C.M.-B.); (F.F.); (P.F.-P.); (J.G.-G.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Av. de Monforte de Lemos, 5, 28029 Madrid, Spain
| | - Andrés García-Palomo
- Service of Oncology, Complejo Asistencial Universitario de León, Calle Altos de Nava, s/n, 24001 León, Spain;
| | - Jos van Pelt
- Laboratory of Clinical Digestive Oncology, Department of Oncology, KU Leuven and University Hospitals Leuven and Leuven Cancer Institute (LKI), 3000 Leuven, Belgium; (J.v.P.)
| | - Chris Verslype
- Laboratory of Clinical Digestive Oncology, Department of Oncology, KU Leuven and University Hospitals Leuven and Leuven Cancer Institute (LKI), 3000 Leuven, Belgium; (J.v.P.)
| | - Javier González-Gallego
- Institute of Biomedicine (IBIOMED), University of León, Campus of Vegazana s/n, 24071 León, Spain; (C.M.-B.); (F.F.); (P.F.-P.); (J.G.-G.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Av. de Monforte de Lemos, 5, 28029 Madrid, Spain
| | - José L. Mauriz
- Institute of Biomedicine (IBIOMED), University of León, Campus of Vegazana s/n, 24071 León, Spain; (C.M.-B.); (F.F.); (P.F.-P.); (J.G.-G.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Av. de Monforte de Lemos, 5, 28029 Madrid, Spain
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26
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Duan X, Chen B, Cui Y, Zhou L, Wu C, Yang Z, Wen Y, Miao X, Li Q, Xiong L, He J. Ready player one? Autophagy shapes resistance to photodynamic therapy in cancers. Apoptosis 2019; 23:587-606. [PMID: 30288638 DOI: 10.1007/s10495-018-1489-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Photodynamic therapy (PDT) is a procedure used in cancer therapy that has been shown to be useful for certain indications. Considerable evidence suggests that PDT might be superior to conventional modalities for some indications. In this report, we examine the relationship between PDT responsiveness and autophagy, which can exert a cytoprotective effect. Autophagy is an essential physiological process that maintains cellular homeostasis by degrading dysfunctional or impaired cellular components and organelles via a lysosome-based pathway. Autophagy, which includes macroautophagy and microautophagy, can be a factor that decreases or abolishes responses to various therapeutic protocols. We systematically discuss the mechanisms underlying cell-fate decisions elicited by PDT; analyse the principles of PDT-induced autophagy, macroautophagy and microautophagy; and present evidence to support the notion that autophagy is a critical mechanism in resistance to PDT. A combined strategy involving autophagy inhibitors may be able to further enhance PDT efficacy. Finally, we provide suggestions for future studies, note where our understanding of the relevant molecular regulators is deficient, and discuss the correlations among PDT-induced resistance and autophagy, especially microautophagy.
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Affiliation(s)
- Xian Duan
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, China
| | - Bo Chen
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Yanan Cui
- Department of Respiratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Lin Zhou
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, China
| | - Chenkai Wu
- Department of Respiratory Medicine, Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhulin Yang
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Yu Wen
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiongying Miao
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Qinglong Li
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Li Xiong
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China.
| | - Jun He
- Department of General Surgery, Second Xiangya Hospital, Central South University, Changsha, China.
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27
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Liver Cancer Cell Lines Treated with Doxorubicin under Normoxia and Hypoxia: Cell Viability and Oncologic Protein Profile. Cancers (Basel) 2019; 11:cancers11071024. [PMID: 31330834 PMCID: PMC6678640 DOI: 10.3390/cancers11071024] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/09/2019] [Accepted: 07/17/2019] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma is often treated with a combination of doxorubicin and embolization, exposing it to high concentrations and hypoxia. Separation of the possible synergistic effect of this combination in vivo is difficult. Here, treatment with doxorubicin, under hypoxia or normoxia in different liver cancer cell lines, was evaluated. Liver cancer cells HepG2, Huh7, and SNU449 were exposed to doxorubicin, hypoxia, or doxorubicin + hypoxia with different duration. Treatment response was evaluated with cell viability, apoptosis, oxidative stress, and summarized with IC50. The protein profile of a 92-biomarker panel was analyzed on cells treated with 0 or 0.1 µM doxorubicin during 6 or 72 h, under normoxia or hypoxia. Hypoxia decreased viability of HepG2 and SNU499. HepG2 was least and SNU449 most tolerant to doxorubicin treatment. Cytotoxicity of doxorubicin increased over time in HepG2 and Huh7. The combination of doxorubicin + hypoxia affected the cells differently. Normalized protein expression was lower for HepG2 than Huh7 and SNU449. Hierarchical clustering separated HepG2 from Huh7 and SNU449. These three commonly used cell lines have critically different responses to chemotherapy and hypoxia, which was reflected in their different protein expression profile. These different responses suggest that tumors can respond differently to the combination of local chemotherapy and embolization.
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28
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Mechanisms of Anticancer Drug Resistance in Hepatoblastoma. Cancers (Basel) 2019; 11:cancers11030407. [PMID: 30909445 PMCID: PMC6468761 DOI: 10.3390/cancers11030407] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/12/2019] [Accepted: 03/18/2019] [Indexed: 12/25/2022] Open
Abstract
The most frequent liver tumor in children is hepatoblastoma (HB), which derives from embryonic parenchymal liver cells or hepatoblasts. Hepatocellular carcinoma (HCC), which rarely affects young people, causes one fourth of deaths due to cancer in adults. In contrast, HB usually has better prognosis, but this is still poor in 20% of cases. Although more responsive to chemotherapy than HCC, the failure of pharmacological treatment used before and/or after surgical resection is an important limitation in the management of patients with HB. To advance in the implementation of personalized medicine it is important to select the best combination among available anti-HB drugs, such as platinum derivatives, anthracyclines, etoposide, tyrosine-kinase inhibitors, Vinca alkaloids, 5-fluorouracil, monoclonal antibodies, irinotecan and nitrogen mustards. This requires predicting the sensitivity to these drugs of each tumor at each time because, it should be kept in mind, that cancer chemoresistance is a dynamic process of Darwinian nature. For this goal it is necessary to improve our understanding of the mechanisms of chemoresistance involved in the refractoriness of HB against the pharmacological challenge and how they evolve during treatment. In this review we have summarized the current knowledge on the multifactorial and complex factors responsible for the lack of response of HB to chemotherapy.
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29
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Xiao Y, Sun Y, Liu G, Zhao J, Gao Y, Yeh S, Gong L, Chang C. Androgen receptor (AR)/miR-520f-3p/SOX9 signaling is involved in altering hepatocellular carcinoma (HCC) cell sensitivity to the Sorafenib therapy under hypoxia via increasing cancer stem cells phenotype. Cancer Lett 2018; 444:175-187. [PMID: 30448543 DOI: 10.1016/j.canlet.2018.11.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 10/27/2018] [Accepted: 11/05/2018] [Indexed: 12/20/2022]
Abstract
Early studies indicated that the androgen receptor (AR) might play key roles to impact hepatocellular carcinoma (HCC) progression at different stages. Its linkage to hypoxia, a condition that occurs frequently during the HCC progression, however, remains unclear. Here we found that AR/miR-520f-3p/SOX9 signaling is involved in altering HCC cells sensitivity to the Sorafenib therapy under hypoxia via increasing the cancer stem cells (CSC) population. Mechanism dissection revealed that AR might alter the miR-520f-3p/SOX9 signaling through transcriptional regulation via binding to the androgen-response-elements (AREs) on the promoter region of miR-520f, which could then suppress SOX9 mRNA translation via targeting its 3' untranslated region (3'UTR). The in vivo mouse model with orthotopic xenografts of HCC cells also validated the in vitro data, and a human HCC sample survey confirmed the positive linkage of AR/miR-520f-3p/SOX9 signaling to the CSC population during HCC progression. Together, these preclinical findings suggest that hypoxia may increase the HCC CSC population via altering the AR/miR-520f-3p/SOX9 signaling, and targeting this newly identified signaling with the small molecule, miR-520f-3p, may help in the development of the novel therapy to better suppress the HCC progression.
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Affiliation(s)
- Yao Xiao
- Department of Hepatobiliary and Pancreatic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, China; George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
| | - Yin Sun
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
| | - Guodong Liu
- Department of Hepatobiliary and Pancreatic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, China; George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
| | - Jie Zhao
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
| | - Yuan Gao
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
| | - Shuyuan Yeh
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
| | - Liansheng Gong
- Department of Hepatobiliary and Pancreatic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, China.
| | - Chawnshang Chang
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA; Sex Hormone Research Center, China Medical University/Hospital, Taichung 404, Taiwan.
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Méndez-Blanco C, Fondevila F, García-Palomo A, González-Gallego J, Mauriz JL. Sorafenib resistance in hepatocarcinoma: role of hypoxia-inducible factors. Exp Mol Med 2018; 50:1-9. [PMID: 30315182 PMCID: PMC6185986 DOI: 10.1038/s12276-018-0159-1] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 06/05/2018] [Accepted: 06/18/2018] [Indexed: 12/14/2022] Open
Abstract
Sorafenib, a multikinase inhibitor with antiproliferative, antiangiogenic, and proapoptotic properties, constitutes the only effective first-line drug approved for the treatment of advanced hepatocellular carcinoma (HCC). Despite its capacity to increase survival in HCC patients, its success is quite low in the long term owing to the development of resistant cells through several mechanisms. Among these mechanisms, the antiangiogenic effects of sustained sorafenib treatment induce a reduction of microvessel density, promoting intratumoral hypoxia and hypoxia-inducible factors (HIFs)-mediated cellular responses that favor the selection of resistant cells adapted to the hypoxic microenvironment. Clinical data have demonstrated that overexpressed HIF-1α and HIF-2α in HCC patients are reliable markers of a poor prognosis. Thus, the combination of current sorafenib treatment with gene therapy or inhibitors against HIFs have been documented as promising approaches to overcome sorafenib resistance both in vitro and in vivo. Because the depletion of one HIF-α subunit elevates the expression of the other HIF-α isoform through a compensatory loop, targeting both HIF-1α and HIF-2α would be a more interesting strategy than therapies that discriminate among HIF-α isoforms. In conclusion, there is a marked correlation between the hypoxic microenvironment and sorafenib resistance, suggesting that targeting HIFs is a promising way to increase the efficiency of treatment. Targeting hypoxia-inducible factors (HIFs), regulatory proteins induced by low oxygen levels, could increase the effectiveness of sorafenib, the only systemic therapy approved for advanced liver cancer. Long-term treatment with sorafenib starves tumors of oxygen, which can lead to the proliferation of cancer cells that are able to survive low oxygen levels. HIFs regulate genes involved in this adaptation and HIF levels are increased in sorafenib-resistant cells. José Mauriz at the University of León, Spain, and colleagues review recent studies on the effects of HIF inhibition on sorafenib efficacy. They conclude that HIF-1α and HIF-2α are predictive markers of sorafenib resistance and that using inhibitors of both these factors as an add-on therapy could improve patient survival. This strategy may be applicable to other types of cancer in which reduced oxygen conditions lead to drug resistance.
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Affiliation(s)
- Carolina Méndez-Blanco
- Institute of Biomedicine, University of León, León, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Flavia Fondevila
- Institute of Biomedicine, University of León, León, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Andrés García-Palomo
- Institute of Biomedicine, University of León, León, Spain.,Service of Oncology, Complejo Asistencial Universitario de León, León, Spain
| | - Javier González-Gallego
- Institute of Biomedicine, University of León, León, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - José L Mauriz
- Institute of Biomedicine, University of León, León, Spain. .,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.
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Value of texture analysis based on enhanced MRI for predicting an early therapeutic response to transcatheter arterial chemoembolisation combined with high-intensity focused ultrasound treatment in hepatocellular carcinoma. Clin Radiol 2018; 73:758.e9-758.e18. [PMID: 29804627 DOI: 10.1016/j.crad.2018.04.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 04/03/2018] [Indexed: 02/06/2023]
Abstract
AIM To evaluate the potential value of texture analysis (TA) based on contrast-enhanced magnetic resonance imaging (MRI) for predicting an early response of patients with hepatocellular carcinoma (HCC) who were treated with transcatheter arterial chemoembolisation (TACE) combined with high-intensity focused ultrasound (HIFU). MATERIALS AND METHODS Patients with HCC (n=89) who underwent contrast-enhanced MRI at 1.5 T 1 week before and 1 week, 1 month, and 3 months after TACE/HIFU were included in this retrospective study. Early responses were evaluated by two radiologists according to the Response Evaluation Criteria in Cancer of the Liver (RECICL). An independent Student's t-test and the Mann-Whitney U-test were used to compare the TA parameters between the complete response (CR) group and the non-complete response (NCR) group. Logistic regression and receiver operating characteristic (ROC) curve analyses were performed to assess the predictive value of the NCR lesions. RESULTS Among the 89 patients, 58 showed CR and 31 showed NCR. Before TACE/HIFU, the CR group showed higher uniformity and energy but lower entropy than the NCR group (p<0.05). After TACE/HIFU, the CR group showed higher uniformity and energy but lower entropy and skewness than the NCR group (p<0.05). The logistic regression and ROC curve analyses showed that the entropy before TACE/HIFU and the skewness and entropy 1 week after TACE/HIFU were predictors of an early response. CONCLUSION TA parameters based on contrast-enhanced MRI images 1 week before and after TACE/HIFU may act as imaging biomarkers to predict an early response of patients with HCC.
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