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Shi Z, Hu C, Zheng X, Sun C, Li Q. Feedback loop between hypoxia and energy metabolic reprogramming aggravates the radioresistance of cancer cells. Exp Hematol Oncol 2024; 13:55. [PMID: 38778409 PMCID: PMC11110349 DOI: 10.1186/s40164-024-00519-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
Radiotherapy is one of the mainstream approaches for cancer treatment, although the clinical outcomes are limited due to the radioresistance of tumor cells. Hypoxia and metabolic reprogramming are the hallmarks of tumor initiation and progression and are closely linked to radioresistance. Inside a tumor, the rate of angiogenesis lags behind cell proliferation, and the underdevelopment and abnormal functions of blood vessels in some loci result in oxygen deficiency in cancer cells, i.e., hypoxia. This prevents radiation from effectively eliminating the hypoxic cancer cells. Cancer cells switch to glycolysis as the main source of energy, a phenomenon known as the Warburg effect, to sustain their rapid proliferation rates. Therefore, pathways involved in metabolic reprogramming and hypoxia-induced radioresistance are promising intervention targets for cancer treatment. In this review, we discussed the mechanisms and pathways underlying radioresistance due to hypoxia and metabolic reprogramming in detail, including DNA repair, role of cancer stem cells, oxidative stress relief, autophagy regulation, angiogenesis and immune escape. In addition, we proposed the existence of a feedback loop between energy metabolic reprogramming and hypoxia, which is associated with the development and exacerbation of radioresistance in tumors. Simultaneous blockade of this feedback loop and other tumor-specific targets can be an effective approach to overcome radioresistance of cancer cells. This comprehensive overview provides new insights into the mechanisms underlying tumor radiosensitivity and progression.
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Affiliation(s)
- Zheng Shi
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Cuilan Hu
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaogang Zheng
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou, China
- Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Lanzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Chao Sun
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China.
- Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou, China.
- Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Lanzhou, China.
- University of Chinese Academy of Sciences, Beijing, China.
| | - Qiang Li
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China.
- Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou, China.
- Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Lanzhou, China.
- University of Chinese Academy of Sciences, Beijing, China.
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2
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Zhang Z, Zhang Y. Transcriptional regulation of cancer stem cell: regulatory factors elucidation and cancer treatment strategies. J Exp Clin Cancer Res 2024; 43:99. [PMID: 38561775 PMCID: PMC10986082 DOI: 10.1186/s13046-024-03021-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
Cancer stem cells (CSCs) were first discovered in the 1990s, revealing the mysteries of cancer origin, migration, recurrence and drug-resistance from a new perspective. The expression of pluripotent genes and complex signal regulatory networks are significant features of CSC, also act as core factors to affect the characteristics of CSC. Transcription is a necessary link to regulate the phenotype and potential of CSC, involving chromatin environment, nucleosome occupancy, histone modification, transcription factor (TF) availability and cis-regulatory elements, which suffer from ambient pressure. Especially, the expression and activity of pluripotent TFs are deeply affected by both internal and external factors, which is the foundation of CSC transcriptional regulation in the current research framework. Growing evidence indicates that regulating epigenetic modifications to alter cancer stemness is effective, and some special promoters and enhancers can serve as targets to influence the properties of CSC. Clarifying the factors that regulate CSC transcription will assist us directly target key stem genes and TFs, or hinder CSC transcription through environmental and other related factors, in order to achieve the goal of inhibiting CSC and tumors. This paper comprehensively reviews the traditional aspects of transcriptional regulation, and explores the progress and insights of the impact on CSC transcription and status through tumor microenvironment (TME), hypoxia, metabolism and new meaningful regulatory factors in conjunction with the latest research. Finally, we present opinions on omnidirectional targeting CSCs transcription to eliminate CSCs and address tumor resistance.
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Affiliation(s)
- Zhengyue Zhang
- Department of Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201900, People's Republic of China
- Shanghai Institute of Precision Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200125, People's Republic of China
| | - Yanjie Zhang
- Department of Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201900, People's Republic of China.
- Shanghai Institute of Precision Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200125, People's Republic of China.
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3
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Majewska A, Brodaczewska K, Filipiak-Duliban A, Kieda C. Comparative analysis of the effect of hypoxia in two different tumor cell models shows the differential involvement of PTEN control of proangiogenic pathways. Biochem Cell Biol 2024; 102:47-59. [PMID: 37459649 DOI: 10.1139/bcb-2023-0047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023] Open
Abstract
Hypoxia, low, non-physiological oxygen tension is a key regulator of tumor microenvironment, determining the pathological tumor vascularization. Alleviation of hypoxia through vessel normalization may be a promising therapeutic approach. We aimed to assess the role of low oxygen tension in PTEN-related pathways and proangiogenic response, in vitro, in two different tumor cell lines, focusing on potential therapeutic targets for tumor vessel normalization. Downregulation of PTEN in hypoxia mediates the activation of distinct mechanisms: cytoplasmic pAKT activation in melanoma and pMDM2 modulation in kidney cancer. We show that hypoxia-induced proangiogenic potential was stronger in Renca cells than B16 F10-confirmed by a distinct secretory potential and different ability to affect endothelial cells functions. Therefore, the impact of hypoxia on PTEN-mediated regulation may determine the therapeutic targets and effectiveness of vessel normalization and intrinsic characteristics of cancer cell have to be taken into account when designing treatment.
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Affiliation(s)
- Aleksandra Majewska
- Military Institute of Medicine-National Research Institute, Laboratory of Molecular Oncology and Innovative Therapies, Szaserów 128, 01-141 Warsaw, Poland
- Postgraduate School of Molecular Medicine (Medical University of Warsaw), Żwirki i Wigury 61, 02-091 Warsaw, Poland
| | - Klaudia Brodaczewska
- Military Institute of Medicine-National Research Institute, Laboratory of Molecular Oncology and Innovative Therapies, Szaserów 128, 01-141 Warsaw, Poland
| | - Aleksandra Filipiak-Duliban
- Military Institute of Medicine-National Research Institute, Laboratory of Molecular Oncology and Innovative Therapies, Szaserów 128, 01-141 Warsaw, Poland
- Postgraduate School of Molecular Medicine (Medical University of Warsaw), Żwirki i Wigury 61, 02-091 Warsaw, Poland
| | - Claudine Kieda
- Military Institute of Medicine-National Research Institute, Laboratory of Molecular Oncology and Innovative Therapies, Szaserów 128, 01-141 Warsaw, Poland
- Center for Molecular Biophysics UPR 4301 CNRS, 45071 Orleans, France
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Almeida LO, Silva LC, Emerick C, Amorim Dos Santos J, Castilho RM, Squarize CH. Head and neck cancer stem cell maintenance relies on mTOR signaling, specifically involving the mechanistic target of rapamycin complexes 1 and 2 (mTORC1 and mTORC2). Arch Oral Biol 2024; 157:105840. [PMID: 37939517 DOI: 10.1016/j.archoralbio.2023.105840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/13/2023] [Accepted: 10/29/2023] [Indexed: 11/10/2023]
Abstract
OBJECTIVE Emerging evidence suggests that the modest response of head and neck squamous cell carcinoma (HNSCC) to treatment is associated with cancer stem cells (CSC). However, the signaling pathways that play a role in HNSCC CSC maintenance and therapy response are not well-understood. In this study, we investigate the response of CSCs to phosphatase and tensin homolog (PTEN) modulation and its potential dependency on the mammalian target of rapamycin (mTOR) signaling. DESIGN PTEN deficiency was stably induced using short hairpin RNA (shRNA). Downregulation of RPTOR/mTORC1 and RICTOR/mTORC2 was achieved using small interfering RNA (siRNA). CSCs were evaluated through tumorsphere formation and were classified into various subtypes: parasphere, merosphere, and holosphere. We investigated the effect of rapamycin on CSC properties in both control and PTEN-deficient HNSCC cells. RESULTS PTEN deficiency led to an accumulation of CSCs and enhanced a favorable response to rapamycin treatment. The viability of HNSCC CSCs was dependent on mTOR signaling. Deficiencies in both mTORC1 and mTORC2 reduced the number of CSCs. However, CSCs with PTEN deficiency had a greater reliance on mTORC1 signaling. Interestingly, when considering CSC subtypes, a deficiency in mTORC2 led to an increased number of paraspheres in both the control and PTEN-deficient groups. CONCLUSIONS Loss of PTEN signaling increased the HNSCC CSC population, which can be targeted by rapamycin. However, the mTORC2 deficiency can induce a problematic selection of paraspheres CSCs subtype.
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Affiliation(s)
- Luciana O Almeida
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA; Department of Basic and Oral Biology, University of Sao Paulo School of Dentistry, Ribeirao Preto, São Paulo, Brazil
| | - Luan César Silva
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA; Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Carolina Emerick
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA; Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Juliana Amorim Dos Santos
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Rogerio M Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Cristiane H Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA.
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Luo J, Huang Y, Wu J, Dai L, Dong M, Cheng B. A novel hypoxia-associated gene signature for prognosis prediction in head and neck squamous cell carcinoma. BMC Oral Health 2023; 23:864. [PMID: 37964257 PMCID: PMC10647095 DOI: 10.1186/s12903-023-03489-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 10/04/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND Head and neck squamous cell carcinoma (HNSCC) is the most common malignant tumor of head and neck, which seriously threatens human life and health. However, the mechanism of hypoxia-associated genes (HAGs) in HNSCC remains unelucidated. This study aims to establish a hypoxia-associated gene signature and the nomogram for predicting the prognosis of patients with HNSCC. METHODS Previous literature reports provided a list of HAGs. The TCGA database provided genetic and clinical information on HNSCC patients. First, a hypoxia-associated gene risk model was constructed for predicting overall survival (OS) in HNSCC patients and externally validated in four GEO datasets (GSE27020, GSE41613, GSE42743, and GSE117973). Then, immune status and metabolic pathways were analyzed. A nomogram was constructed and assessed the predictive value. Finally, experimental validation of the core genes was performed by qRT-PCR. RESULTS A HNSCC prognostic model was constructed based on 8 HAGs. This risk model was validated in four external datasets and exhibited high predictive value in various clinical subgroups. Significant differences in immune cell infiltration levels and metabolic pathways were found between high and low risk subgroups. The nomogram was highly accurate for predicting OS in HNSCC patients. CONCLUSIONS The 8 hypoxia-associated gene signature can serve as novel independent prognostic indicators in HNSCC patients. The nomogram combining the risk score and clinical stage enhanced predictive performance in predicting OS compared to the risk model and clinical characteristics alone.
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Affiliation(s)
- Jingyi Luo
- Department of Stomatology, Zhongnan Hospital of Wuhan University, No. 169 Donghu Road, Wuchang District, Wuhan, 430071, China
| | - Yuejiao Huang
- School of Laboratory Medicine, Youjiang Medical College for Nationalities, No. 98 Chengxiang Road, Youjiang District, Baise, 533000, China
| | - Jiahe Wu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Lin Dai
- Department of Stomatology, Wuhan No. 1 Hospital, No. 215 Zhongshan Road, Qiaokou District, Wuhan, 430030, China.
| | - Mingyou Dong
- School of Laboratory Medicine, Youjiang Medical College for Nationalities, No. 98 Chengxiang Road, Youjiang District, Baise, 533000, China.
| | - Bo Cheng
- Department of Stomatology, Zhongnan Hospital of Wuhan University, No. 169 Donghu Road, Wuchang District, Wuhan, 430071, China.
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Gong Y, Bao L, Xu T, Yi X, Chen J, Wang S, Pan Z, Huang P, Ge M. The tumor ecosystem in head and neck squamous cell carcinoma and advances in ecotherapy. Mol Cancer 2023; 22:68. [PMID: 37024932 PMCID: PMC10077663 DOI: 10.1186/s12943-023-01769-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 03/27/2023] [Indexed: 04/08/2023] Open
Abstract
The development of head and neck squamous cell carcinoma (HNSCC) is a multi-step process, and its survival depends on a complex tumor ecosystem, which not only promotes tumor growth but also helps to protect tumor cells from immune surveillance. With the advances of existing technologies and emerging models for ecosystem research, the evidence for cell-cell interplay is increasing. Herein, we discuss the recent advances in understanding the interaction between tumor cells, the major components of the HNSCC tumor ecosystem, and summarize the mechanisms of how biological and abiotic factors affect the tumor ecosystem. In addition, we review the emerging ecological treatment strategy for HNSCC based on existing studies.
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Affiliation(s)
- Yingying Gong
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Lisha Bao
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Tong Xu
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Xiaofen Yi
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Jinming Chen
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Shanshan Wang
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Zongfu Pan
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China.
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Zhejiang Provincial People's Hospital, Hangzhou, China.
- Clinical Research Center for Cancer of Zhejiang Province, Hangzhou, People's Republic of China.
| | - Ping Huang
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China.
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Zhejiang Provincial People's Hospital, Hangzhou, China.
- Clinical Research Center for Cancer of Zhejiang Province, Hangzhou, People's Republic of China.
| | - Minghua Ge
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China.
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Zhejiang Provincial People's Hospital, Hangzhou, China.
- Clinical Research Center for Cancer of Zhejiang Province, Hangzhou, People's Republic of China.
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7
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Seephan S, Sasaki SI, Wattanathamsan O, Singharajkomron N, He K, Ucche S, Kungsukool S, Petchjorm S, Chantaravisoot N, Wongkongkathep P, Hayakawa Y, Pongrakhananon V. CAMSAP3 negatively regulates lung cancer cell invasion and angiogenesis through nucleolin/HIF-1α mRNA complex stabilization. Life Sci 2023; 322:121655. [PMID: 37019300 DOI: 10.1016/j.lfs.2023.121655] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/22/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023]
Abstract
AIMS Cancer metastasis is a major cause of lung cancer-related mortality, so identification of related molecular mechanisms is of interest. Calmodulin-regulated spectrin-associated protein 3 (CAMSAP3) has been implicated in lung cancer malignancies; however, its role in metastatic processes, including invasion and angiogenesis, is largely unknown. MAIN METHOD The clinical relevance of CAMSAP3 expression in lung cancer was evaluated. The relevance of CAMSAP3 expression to in vitro cell invasion and angiogenesis was assessed in human lung cancer cells and endothelial cells, respectively. The molecular mechanism was identified by qRT-PCR, immunoprecipitation, mass spectrometry, and RNA immunoprecipitation. The in vivo metastatic and angiogenic activities of lung cancer cells were assessed. KEY FINDINGS Low CAMSAP3 expression was found in malignant lung tissues and strongly correlated with a poor prognosis in lung adenocarcinoma (LUAD). CAMSAP3-knockout NSCLC exhibited high invasive ability, and CAMSAP3 knockout induced HUVEC proliferation and tube formation; these effects were significantly attenuated by reintroduction of exogenous wild-type CAMSAP3. Mechanistically, in the absence of CAMSAP3, the expression of hypoxia-inducible factor-1α (HIF-1α) was upregulated, which increased the levels of downstream HIF-1α targets such as vascular endothelial growth factor A (VEGFA) and matrix metalloproteinases (MMPs) 2 and 9. Proteomic analysis revealed that nucleolin (NCL) bound to CAMSAP3 to regulate HIF-1α mRNA stabilization. In addition, CAMSAP3-knockout lung cancer cells displayed highly aggressive behavior in metastasis and angiogenesis in vivo. SIGNIFICANCE This study reveals that CAMSAP3 plays a negative regulatory role in lung cancer cell metastatic behavior both in vitro and in vivo through NCL/HIF-1α mRNA complex stabilization.
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Affiliation(s)
- Suthasinee Seephan
- Pharmaceutical Sciences and Technology Graduate Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - So-Ichiro Sasaki
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Onsurang Wattanathamsan
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Natsaranyatron Singharajkomron
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Ka He
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Sisca Ucche
- Institute of Natural Medicine, University of Toyama, Toyama, Japan
| | - Sakkarin Kungsukool
- Department of Respiratory Medicine, Central Chest Institute of Thailand, Muang District, Nonthaburi, Thailand
| | - Supinda Petchjorm
- Division of Anatomical Pathology, Central Chest Institute of Thailand, Muang District, Nonthaburi, Thailand
| | - Naphat Chantaravisoot
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Piriya Wongkongkathep
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Varisa Pongrakhananon
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand; Preclinical Toxicity and Efficacy Assessment of Medicines and Chemicals Research Unit, Chulalongkorn University, Bangkok, Thailand.
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Ferreira LAM, Bezerra MADS, Kawasaki-Oyama RS, Fernandes GMDM, Castanhole-Nunes MMU, Serafim Junior V, Castilho RM, Pavarino ÉC, Maniglia JV, Goloni-Bertollo EM. Effect of ZEB1 Associated with microRNAs on Tumor Stem Cells in Head and Neck Cancer. Int J Mol Sci 2023; 24:ijms24065916. [PMID: 36982993 PMCID: PMC10052136 DOI: 10.3390/ijms24065916] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 03/30/2023] Open
Abstract
Cancer biologists have focused on studying cancer stem cells (CSCs) because of their ability to self-renew and recapitulate tumor heterogeneity, which increases their resistance to chemotherapy and is associated with cancer relapse. Here, we used two approaches to isolate CSCs: the first involved the metabolic enzyme aldehyde dehydrogenase ALDH, and the second involved the three cell surface markers CD44, CD117, and CD133. ALDH cells showed a higher zinc finger E-box binding homeobox 1 (ZEB1) microRNA (miRNA) expression than CD44/CD117/133 triple-positive cells, which overexpressed miRNA 200c-3p: a well-known microRNA ZEB1 inhibitor. We found that ZEB1 inhibition was driven by miR-101-3p, miR-139-5p, miR-144-3p, miR-199b-5p, and miR-200c-3p and that the FaDu Cell Line inhibition occurred at the mRNA level, whereas HN13 did not affect mRNA expression but decreased protein levels. Furthermore, we demonstrated the ability of the ZEB1 inhibitor miRNAs to modulate CSC-related genes, such as TrkB, ALDH, NANOG, and HIF1A, using transfection technology. We showed that ALDH was upregulated upon ZEB1-suppressed miRNA transfection (Mann-Whitney ** p101 = 0.009, t-test ** p139 = 0.009, t-test ** p144 = 0.002, and t-test *** p199 = 0.0006). Overall, our study enabled an improved understanding of the role of ZEB1-suppressed miRNAs in CSC biology.
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Affiliation(s)
- Letícia Antunes Muniz Ferreira
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Maria Antonia Dos Santos Bezerra
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Rosa Sayoko Kawasaki-Oyama
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Glaucia Maria de Mendonça Fernandes
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Márcia Maria Urbanin Castanhole-Nunes
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Vilson Serafim Junior
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Rogério Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Érika Cristina Pavarino
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - José Victor Maniglia
- Department of Otolaryngology and Head and Neck Surgery, Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
| | - Eny Maria Goloni-Bertollo
- Genetics and Molecular Biology Research Unit (UPGEM), Medical School of São José do Rio Preto (FAMERP), São José do Rio Preto 15090-000, São Paulo, Brazil
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9
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Nayak A, Warrier NM, Kumar P. Cancer Stem Cells and the Tumor Microenvironment: Targeting the Critical Crosstalk through Nanocarrier Systems. Stem Cell Rev Rep 2022; 18:2209-2233. [PMID: 35876959 PMCID: PMC9489588 DOI: 10.1007/s12015-022-10426-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/10/2022] [Indexed: 11/25/2022]
Abstract
The physiological state of the tumor microenvironment (TME) plays a central role in cancer development due to multiple universal features that transcend heterogeneity and niche specifications, like promoting cancer progression and metastasis. As a result of their preponderant involvement in tumor growth and maintenance through several microsystemic alterations, including hypoxia, oxidative stress, and acidosis, TMEs make for ideal targets in both diagnostic and therapeutic ventures. Correspondingly, methodologies to target TMEs have been investigated this past decade as stratagems of significant potential in the genre of focused cancer treatment. Within targeted oncotherapy, nanomedical derivates-nanocarriers (NCs) especially-have emerged to present notable prospects in enhancing targeting specificity. Yet, one major issue in the application of NCs in microenvironmental directed therapy is that TMEs are too broad a spectrum of targeting possibilities for these carriers to be effectively employed. However, cancer stem cells (CSCs) might portend a solution to the above conundrum: aside from being quite heavily invested in tumorigenesis and therapeutic resistance, CSCs also show self-renewal and fluid clonogenic properties that often define specific TME niches. Further scrutiny of the relationship between CSCs and TMEs also points towards mechanisms that underly tumoral characteristics of metastasis, malignancy, and even resistance. This review summarizes recent advances in NC-enabled targeting of CSCs for more holistic strikes against TMEs and discusses both the current challenges that hinder the clinical application of these strategies as well as the avenues that can further CSC-targeting initiatives. Central role of CSCs in regulation of cellular components within the TME.
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Affiliation(s)
- Aadya Nayak
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Neerada Meenakshi Warrier
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Praveen Kumar
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
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10
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Nascimento-Filho CHV, Glinos AT, Jang Y, Goloni-Bertollo EM, Castilho RM, Squarize CH. From Tissue Physoxia to Cancer Hypoxia, Cost-Effective Methods to Study Tissue-Specific O 2 Levels in Cellular Biology. Int J Mol Sci 2022; 23:ijms23105633. [PMID: 35628446 PMCID: PMC9144419 DOI: 10.3390/ijms23105633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 12/10/2022] Open
Abstract
The human body is endowed with an extraordinary ability to maintain different oxygen levels in various tissues and organs. The maintenance of physiological levels of oxygen is known as physoxia. The development of hypoxic conditions plays an important role in the biology of several pathologies, including cancer. In vitro studies using normal and neoplastic cells require that culture conditions be carried out under appropriate oxygen levels, either physoxic or hypoxic conditions. Such requirements are difficult to widely implement in laboratory practice, mainly due to the high costs of specialized equipment. In this work, we present and characterize a cost-effective method to culture cells under a range of oxygen levels using deoxidizing pouches. Our results show that physoxic and hypoxic levels using deoxidizing absorbers can be achieved either by implementing a gradual change in oxygen levels or by a regimen of acute depletion of oxygen. This approach triggers the activation of an epithelial-mesenchymal transition in cancer cells while stimulating the expression of HIF-1α. Culturing cancer cells with deoxidizing agent pouches revealed PI3K oncogenic pathway exacerbations compared to tumor cells growing under atmospheric levels of oxygen. Similar to the PI3K signaling disturbance, we also observed augmented oxidative stress and superoxide levels and increased cell cycle arrest. Most interestingly, the culture of cancer cells under hypoxia resulted in the accumulation of cancer stem cells in a time-dependent manner. Overall, we present an attractive, cost-effective method of culturing cells under appropriate physoxic or hypoxic conditions that is easily implementable in any wet laboratory equipped with cell culture tools.
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Affiliation(s)
- Carlos H. V. Nascimento-Filho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109-1078, USA; (C.H.V.N.-F.); (A.T.G.); (Y.J.); (C.H.S.)
| | - Alexandra T. Glinos
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109-1078, USA; (C.H.V.N.-F.); (A.T.G.); (Y.J.); (C.H.S.)
| | - Yeejin Jang
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109-1078, USA; (C.H.V.N.-F.); (A.T.G.); (Y.J.); (C.H.S.)
| | - Eny M. Goloni-Bertollo
- Genetics and Molecular Biology Research Unit (UPGEM), Department of Molecular Biology, School of Medicine of São José do Rio Preto, São José do Rio Preto 15090-000, SP, Brazil;
| | - Rogerio M. Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109-1078, USA; (C.H.V.N.-F.); (A.T.G.); (Y.J.); (C.H.S.)
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109-0944, USA
- Correspondence:
| | - Cristiane H. Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109-1078, USA; (C.H.V.N.-F.); (A.T.G.); (Y.J.); (C.H.S.)
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109-0944, USA
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11
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Akbari Dilmaghani N, Safaroghli-Azar A, Pourbagheri-Sigaroodi A, Bashash D. The PI3K/Akt/mTORC signaling axis in head and neck squamous cell carcinoma: Possibilities for therapeutic interventions either as single agents or in combination with conventional therapies. IUBMB Life 2021; 73:618-642. [PMID: 33476088 DOI: 10.1002/iub.2446] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 12/24/2020] [Indexed: 01/08/2023]
Abstract
The latest advances in the sequencing methods in head and neck squamous cell carcinoma (HNSCC) tissues have revolutionized our understanding of the disease by taking off the veil from the most frequent genetic alterations in the components of the oncogenic pathways. Among all the identified alterations, aberrancies in the genes attributed to the phosphoinositide 3-kinases (PI3K) axis have attracted special attention as they were altered in more than 90% of the tissues isolated from HNSCC patients. In fact, the association between these aberrancies and the increased risk of cancer metastasis suggested this axis as an "Achilles Heel" of HNSCC, which may be therapeutically targeted. The results of the clinical trials investigating the therapeutic potential of the inhibitors targeting the components of the PI3K axis in the treatment of HNSCC patients, either alone or in a combined-modal strategy, opened a new chapter in the treatment strategy of this malignancy. The present study aimed to review the importance of the PI3K axis in the pathogenesis of HNSCC and also provide a piece of information about the breakthroughs and challenges of PI3K inhibitors in the therapeutic strategies of the disease.
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Affiliation(s)
- Nader Akbari Dilmaghani
- Hearing Disorders Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Otolaryngology, Head and Neck Surgery, Loghman Hakim Educational Hospital, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ava Safaroghli-Azar
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atieh Pourbagheri-Sigaroodi
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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12
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Damen MPF, van Rheenen J, Scheele CLGJ. Targeting dormant tumor cells to prevent cancer recurrence. FEBS J 2020; 288:6286-6303. [PMID: 33190412 DOI: 10.1111/febs.15626] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 11/03/2020] [Accepted: 11/11/2020] [Indexed: 12/14/2022]
Abstract
Over the years, developments in oncology led to significantly improved clinical outcome for cancer patients. However, cancer recurrence after initial treatment response still poses a major challenge, as it often involves more aggressive, metastatic disease. The presence of dormant cancer cells is associated with recurrence, metastasis, and poor clinical outcome, suggesting that these cells may play a crucial role in the process of disease relapse. Cancer cell dormancy typically presents as growth arrest while retaining proliferative capacity and can be induced or reversed by a wide array of cell-intrinsic and cell-extrinsic factors. Conventional therapies preferentially target fast-dividing cells, leaving dormant cancer cells largely insensitive to these treatments. In this review, we discuss the role of dormant cancer cells in cancer recurrence and highlight how novel therapy strategies based on cell-cycle modulation, modifications of existing drugs, or enhanced drug-delivery vehicles may be used to specifically target this subpopulation of tumor cells, and thereby have the potential to prevent disease recurrence.
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Affiliation(s)
- Maartje P F Damen
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Jacco van Rheenen
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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13
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Miranda-Galvis M, Teng Y. Targeting Hypoxia-Driven Metabolic Reprogramming to Constrain Tumor Progression and Metastasis. Int J Mol Sci 2020; 21:ijms21155487. [PMID: 32751958 PMCID: PMC7432774 DOI: 10.3390/ijms21155487] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 07/24/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023] Open
Abstract
Hypoxia in locally advanced solid tumors develops due to uncontrollable cell proliferation, altered metabolism, and the severe structural and functional abnormality of the tumor vasculature, leading to an imbalance between oxygen supply and consumption in the fast-growing tumors and negative impact on the therapeutic outcome. Several hypoxia-responsive molecular determinants, such as hypoxia-inducible factors, guide the cellular adaptation to hypoxia by gene activation, which is critical for promoting malignant progression in the hostile tumor microenvironment. Over time, a large body of evidence exists to suggest that tumor hypoxia also influences the tumor metabolic reprogramming, resulting in neoangiogenesis, metastasis, and immune evasion. In this respect, our review aims to understand the biological processes, key events, and consequences regarding the hypoxia-driven metabolic adaptation of tumor cells. We also assess the potential therapeutic impact of hypoxia and highlight our review by discussing possible therapeutic strategies targeting hypoxia, which would advance the current understanding of hypoxia-associated tumor propagation and malignant progression and improve the management of tumor hypoxia.
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Affiliation(s)
- Marisol Miranda-Galvis
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA;
| | - Yong Teng
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA;
- Georgia Cancer Center, Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Department of Medical Laboratory, Imaging and Radiologic Sciences, College of Allied Health, Augusta University, Augusta, GA 30912, USA
- Correspondence: ; Tel.: +1-70-6446-5611; Fax: +1-70-6721-9415
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14
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Olivares-Urbano MA, Griñán-Lisón C, Marchal JA, Núñez MI. CSC Radioresistance: A Therapeutic Challenge to Improve Radiotherapy Effectiveness in Cancer. Cells 2020; 9:cells9071651. [PMID: 32660072 PMCID: PMC7407195 DOI: 10.3390/cells9071651] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/03/2020] [Accepted: 07/07/2020] [Indexed: 12/12/2022] Open
Abstract
Radiotherapy (RT) is a modality of oncologic treatment that can be used to treat approximately 50% of all cancer patients either alone or in combination with other treatment modalities such as surgery, chemotherapy, immunotherapy, and therapeutic targeting. Despite the technological advances in RT, which allow a more precise delivery of radiation while progressively minimizing the impact on normal tissues, issues like radioresistance and tumor recurrence remain important challenges. Tumor heterogeneity is responsible for the variation in the radiation response of the different tumor subpopulations. A main factor related to radioresistance is the presence of cancer stem cells (CSC) inside tumors, which are responsible for metastases, relapses, RT failure, and a poor prognosis in cancer patients. The plasticity of CSCs, a process highly dependent on the epithelial–mesenchymal transition (EMT) and associated to cell dedifferentiation, complicates the identification and eradication of CSCs and it might be involved in disease relapse and progression after irradiation. The tumor microenvironment and the interactions of CSCs with their niches also play an important role in the response to RT. This review provides a deep insight into the characteristics and radioresistance mechanisms of CSCs and into the role of CSCs and tumor microenvironment in both the primary tumor and metastasis in response to radiation, and the radiobiological principles related to the CSC response to RT. Finally, we summarize the major advances and clinical trials on the development of CSC-based therapies combined with RT to overcome radioresistance. A better understanding of the potential therapeutic targets for CSC radiosensitization will provide safer and more efficient combination strategies, which in turn will improve the live expectancy and curability of cancer patients.
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Affiliation(s)
| | - Carmen Griñán-Lisón
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, University of Granada, 18100 Granada, Spain;
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18016 Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain
- Excellence Research Unit “Modeling Nature” (MNat), University of Granada, 18016 Granada, Spain
| | - Juan Antonio Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, University of Granada, 18100 Granada, Spain;
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18016 Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain
- Excellence Research Unit “Modeling Nature” (MNat), University of Granada, 18016 Granada, Spain
- Correspondence: (J.A.M.); (M.I.N.); Tel.: +34-958-249321 (J.A.M.); +34-958-242077 (M.I.N.)
| | - María Isabel Núñez
- Department of Radiology and Physical Medicine, University of Granada, 18016 Granada, Spain;
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, University of Granada, 18100 Granada, Spain;
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain
- Correspondence: (J.A.M.); (M.I.N.); Tel.: +34-958-249321 (J.A.M.); +34-958-242077 (M.I.N.)
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15
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Borgato GB, Borges GA, Souza AP, Squarize CH, Castilho RM. Loss of PTEN sensitizes head and neck squamous cell carcinoma to 5-AZA-2'-deoxycytidine. Oral Surg Oral Med Oral Pathol Oral Radiol 2020; 130:181-190. [PMID: 32546428 DOI: 10.1016/j.oooo.2020.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 03/23/2020] [Accepted: 05/03/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Head and neck squamous cell carcinoma (HNSCC) is an aggressive cancer associated with poor survival. Phosphatase and tensin homolog (PTEN) is a tumor suppressor gene involved in the maintenance of stem cells. DNA methylation is a known epigenetic modification involved in tumor progression. In this study, we investigated the effect of the DNA demethylation agent 5-AZA-2'-deoxycytidine (5-AZA) over HNSCC and its population of cancer stem cells (CSCs) presenting dysfunctional PTEN. STUDY DESIGN The effects of 5-AZA on HNSCC were evaluated by using WSU-HN13 cells. CSC was assessed by sphere-forming assays, along with the endogenous levels of aldehyde dehydrogenase. The clonogenic potential of tumors was evaluated, along with the protein expression of mTOR signaling and the identification of nuclear factor-κB (NF-κB) and epithelial-mesenchymal transition (EMT)-associated genes, using real-time polymerase chain reaction (PCR). RESULTS We observed that loss of PTEN enhances tumor biologic behavior, including colony- and tumor sphere-forming abilities. We also found that 5-AZA has an inhibitory effect over the CSCs and molecular markers associated with the NF-κB and EMT pathways. CONCLUSIONS Our findings suggest that the stratification of treatment of HNSCC based on PTEN status may identify a subset of patients who can benefit from the coadministration of 5-AZA.
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Affiliation(s)
- Gabriell Bonifacio Borgato
- Department of Oral Biology, School of Dentistry, State University of Campinas, Piracicaba, São Paulo, Brazil; Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, USA
| | - Gabriel Alvares Borges
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, USA; Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasilia, Brasilia, Brazil
| | - Ana Paula Souza
- Department of Oral Biology, School of Dentistry, State University of Campinas, Piracicaba, São Paulo, Brazil
| | - Cristiane Helena Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, USA; University of Michigan Comprehensive Cancer Center, Ann Arbor, MI, USA
| | - Rogerio Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, USA; University of Michigan Comprehensive Cancer Center, Ann Arbor, MI, USA.
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16
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Cui P, Zhang P, Zhang Y, Sun L, Cui G, Guo X, Wang H, Zhang X, Shi Y, Yu Z. HIF-1α/Actl6a/H3K9ac axis is critical for pluripotency and lineage differentiation of human induced pluripotent stem cells. FASEB J 2020; 34:5740-5753. [PMID: 32112486 DOI: 10.1096/fj.201902829rr] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 02/02/2020] [Accepted: 02/18/2020] [Indexed: 12/13/2022]
Abstract
Pluripotent stem cells (PSCs) are important models for analyzing cellular metabolism and individual development. As a hypoxia-inducible factor subunit, HIF-1α plays an important role in maintaining the pluripotency of PSCs under hypoxic conditions. However, the mechanisms underlying the self-renewal and pluripotency maintenance of human induced pluripotent stem cells (hiPSCs) via regulating HIF-1α largely remain elusive. In this study, we found that disrupting the expression of HIF-1α reduced self-renewal and pluripotency of hiPSCs. Additionally, HIF-1α-knockdown led to lower mitochondrial membrane potential (ΔΨm ) and higher reactive oxygen species production in hiPSCs. However, HIF-1α-overexpression increased ATP content in hiPSCs, while the role of HIF-1α-knockdown was opposite. The embryoid body (EB) and teratoma formation assays showed that HIF-1α-knockdown promoted endoderm differentiation and development in vitro and in vivo. In terms of the underlying molecular mechanisms, HIF-1α-knockdown inhibited the expression of Actl6a and histone H3K9ac acetylation (H3K9ac). Actl6a knockdown reduced the expression of H3K9ac and the pluripotency of hiPSCs, and also affected endoderm differentiation. These data suggest that hindering HIF-1α expression causes the changes in mitochondrial properties and metabolic disorders in hiPSCs. Furthermore, HIF-1α affects hiPSC pluripotency, and germ layer differentiation via Actl6a and histone acetylation.
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Affiliation(s)
- Peng Cui
- Central Laboratory, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Ping Zhang
- Department of Hematology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Yanmin Zhang
- Central Laboratory, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Lihua Sun
- Department of Hematology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Guanghui Cui
- Central Laboratory, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Xin Guo
- Central Laboratory, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - He Wang
- Department of Medical Laboratory, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Xiaowei Zhang
- School of Basic Medical Sciences, Peking University, Beijing, China
| | - Yu Shi
- Department of Research and Teaching, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Zhendong Yu
- Central Laboratory, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
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