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Wei Y, Li Y, Chen Y, Liu P, Huang S, Zhang Y, Sun Y, Wu Z, Hu M, Wu Q, Wu H, Liu F, She T, Ning Z. ALDH1: A potential therapeutic target for cancer stem cells in solid tumors. Front Oncol 2022; 12:1026278. [PMID: 36387165 PMCID: PMC9650078 DOI: 10.3389/fonc.2022.1026278] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/12/2022] [Indexed: 12/02/2022] Open
Abstract
Solid tumors can be divided into benign solid tumors and solid malignant tumors in the academic community, among which malignant solid tumors are called cancers. Cancer is the second leading cause of death in the world, and the global incidence of cancer is increasing yearly New cancer patients in China are always the first. After the concept of stem cells was introduced in the tumor community, the CSC markers represented by ALDH1 have been widely studied due to their strong CSC cell characteristics and potential to be the driving force of tumor metastasis. In the research results in the past five years, it has been found that ALDH1 is highly expressed in various solid cancers such as breast cancer, lung cancer, colorectal cancer, liver cancer, gastric cancer, cervical cancer, esophageal cancer, ovarian cancer, head,and neck cancer. ALDH1 can activate and transform various pathways (such as the USP28/MYC signaling pathway, ALDH1A1/HIF-1α/VEGF axis, wnt/β-catenin signaling pathway), as well as change the intracellular pH value to promote formation and maintenance, resulting in drug resistance in tumors. By targeting and inhibiting ALDH1 in tumor stem cells, it can enhance the sensitivity of drugs and inhibit the proliferation, differentiation, and metastasis of solid tumor stem cells to some extent. This review discusses the relationship and pathway of ALDH1 with various solid tumors. It proposes that ALDH1 may serve as a diagnosis and therapeutic target for CSC, providing new insights and new strategies for reliable tumor treatment.
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Affiliation(s)
- Yaolu Wei
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yan Li
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yenan Chen
- Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Pei Liu
- Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Sheng Huang
- Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yuping Zhang
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yanling Sun
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Zhe Wu
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Meichun Hu
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Qian Wu
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Hongnian Wu
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Fuxing Liu
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
- *Correspondence: Fuxing Liu, ; Tonghui She, ; Zhifeng Ning,
| | - Tonghui She
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
- *Correspondence: Fuxing Liu, ; Tonghui She, ; Zhifeng Ning,
| | - Zhifeng Ning
- School of Basic Medicine Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
- *Correspondence: Fuxing Liu, ; Tonghui She, ; Zhifeng Ning,
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Li C, Ma YQ. Prognostic significance of sex determining region Y-box 2, E-cadherin, and vimentin in esophageal squamous cell carcinoma. World J Clin Cases 2022; 10:9657-9669. [PMID: 36186174 PMCID: PMC9516931 DOI: 10.12998/wjcc.v10.i27.9657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/30/2022] [Accepted: 08/21/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Sex determining region Y-box 2 (SOX2) can promote squamous cell carcinoma (SSC) because it regulates the migration and invasion of several different types of squamous carcinoma cells. However, few studies have examined the prognostic value of SOX2 and its effect on the epithelial-mesenchymal transition (EMT) in esophageal SSC (ESCC), a cancer characterized by high invasion and rapid metastasis.
AIM To verify the relationship of SOX2 and the EMT in ESCC and determine the prognostic value and significance of SOX2 and protein markers of the EMT in ESCC.
METHODS One hundred and eighty-five postsurgical ESCC patients were retrospectively examined. Immunohistochemistry was used to detect SOX2, E-cadherin, and vimentin in ESCC tissues. The chi-square test was used to determine the relationships of the expression of these proteins with clinical data. Kaplan-Meier survival curves were used to evaluate factors associated with overall survival (OS).
RESULTS SOX2 and vimentin had high expression in ESCC tissues and correlated with the depth of local carcinoma invasion. SOX2 expression had positive correlations with tumor size, vimentin expression, and the EMT, and a negative correlation with E-cadherin expression. Expression of SOX2 and vimentin had negative correlations with OS. SOX2 expression was an independent prognostic risk factor for poor OS in patients with ESCC.
CONCLUSION SOX2 expression was an independent risk factor for OS in patients with ESCC and its expression had a positive correlation with the expression of vimentin, a classic marker of the EMT. SOX2 promoted the migration and invasion of ESCC, and this may related to its effect on vimentin in promoting the EMT.
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Affiliation(s)
- Chao Li
- Department of RICU, The First Affiliated Hospital, Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China
| | - Yu-Qing Ma
- Department of Pathology, The First Affiliated Hospital, Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China
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Chhetri D, Vengadassalapathy S, Venkadassalapathy S, Balachandran V, Umapathy VR, Veeraraghavan VP, Jayaraman S, Patil S, Iyaswamy A, Palaniyandi K, Gnanasampanthapandian D. Pleiotropic effects of DCLK1 in cancer and cancer stem cells. Front Mol Biosci 2022; 9:965730. [PMID: 36250024 PMCID: PMC9560780 DOI: 10.3389/fmolb.2022.965730] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/12/2022] [Indexed: 12/02/2022] Open
Abstract
Doublecortin-like kinase 1 (DCLK1), a protein molecule, has been identified as a tumor stem cell marker in the cancer cells of gastrointestinal, pancreas, and human colon. DCLK1 expression in cancers, such as breast carcinoma, lung carcinoma, hepatic cell carcinoma, tuft cells, and human cholangiocarcinoma, has shown a way to target the DCLK1 gene and downregulate its expression. Several studies have discussed the inhibition of tumor cell proliferation along with neoplastic cell arrest when the DCLK1 gene, which is expressed in both cancer and normal cells, was targeted successfully. In addition, previous studies have shown that DCLK1 plays a vital role in various cancer metastases. The correlation of DCLK1 with numerous stem cell receptors, signaling pathways, and genes suggests its direct or an indirect role in promoting tumorigenesis. Moreover, the impact of DCLK1 was found to be related to the functioning of an oncogene. The downregulation of DCLK1 expression by using targeted strategies, such as embracing the use of siRNA, miRNA, CRISPR/Cas9 technology, nanomolecules, specific monoclonal antibodies, and silencing the pathways regulated by DCLK1, has shown promising results in both in vitro and in vivo studies on gastrointestinal (GI) cancers. In this review, we will discuss about the present understanding of DCLK1 and its role in the progression of GI cancer and metastasis.
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Affiliation(s)
- Dibyashree Chhetri
- Cancer Science Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, India
| | - Srinivasan Vengadassalapathy
- Department of Pharmacology, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | | | - Varadharaju Balachandran
- Department of Physiology, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Vidhya Rekha Umapathy
- Department of Public Health Dentistry, Sree Balaji Dental College and Hospital, Chennai, India
| | - Vishnu Priya Veeraraghavan
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Selvaraj Jayaraman
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Shankargouda Patil
- College of Dental Medicine, Roseman University of Health Sciences, South Jordan, UT, United States
| | - Ashok Iyaswamy
- Centre for Parkinsons Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Kanagaraj Palaniyandi
- Cancer Science Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, India
- *Correspondence: Kanagaraj Palaniyandi, ; Dhanavathy Gnanasampanthapandian,
| | - Dhanavathy Gnanasampanthapandian
- Cancer Science Laboratory, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Chennai, India
- *Correspondence: Kanagaraj Palaniyandi, ; Dhanavathy Gnanasampanthapandian,
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Blondy S, Durand S, Lacroix A, Christou N, Bouchaud C, Peyny M, Battu S, Chauvanel A, Carré V, Jauberteau MO, Lalloué F, Mathonnet M. Detection of Glycosylated Markers From Cancer Stem Cells With ColoSTEM Dx Kit for Earlier Prediction of Colon Cancer Aggressiveness. Front Oncol 2022; 12:918702. [PMID: 35936672 PMCID: PMC9355573 DOI: 10.3389/fonc.2022.918702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/22/2022] [Indexed: 12/24/2022] Open
Abstract
Nowadays, colon cancer prognosis still difficult to predict, especially in the early stages. Recurrences remain elevated, even in the early stages after curative surgery. Carcidiag Biotechnologies has developed an immunohistochemistry (IHC) kit called ColoSTEM Dx, based on a MIX of biotinylated plant lectins that specifically detects colon cancer stem cells (CSCs) through glycan patterns that they specifically (over)express. A retrospective clinical study was carried out on tumor tissues from 208 non-chemotherapeutic-treated and 21 chemotherapeutic-treated patients with colon cancer, which were stained by IHC with the MIX. Clinical performances of the kit were determined, and prognostic and predictive values were evaluated. With 78.3% and 70.6% of diagnostic sensitivity and specificity respectively, our kit shows great clinical performances. Moreover, patient prognosis is significantly poorer when the MIX staining is “High” compared to “Low”, especially at 5-years of overall survival and for early stages. The ColoSTEM Dx kit allows an earlier and a more precise determination of patients’ outcome. Thus, it affords an innovating clinical tool for predicting tumor aggressiveness earlier and determining prognosis value regarding therapeutic response in colon cancer patients.
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Affiliation(s)
| | - Stéphanie Durand
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- *Correspondence: Fabrice Lalloué, ; Stéphanie Durand, ; Muriel Mathonnet,
| | - Aurélie Lacroix
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
| | - Niki Christou
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- Department of Digestive Surgery, Dupuytren University Hospital, Limoges, France
| | | | - Maud Peyny
- Carcidiag Biotechnologies company, Guéret, France
| | - Serge Battu
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- Laboratory of Analytical Chemistry, Faculty of Pharmacy, Limoges, France
| | - Alain Chauvanel
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- Department of Pathology, Dupuytren University Hospital, Limoges, France
| | | | - Marie-Odile Jauberteau
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- Department of Immunology, Dupuytren University Hospital, Limoges, France
| | - Fabrice Lalloué
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- *Correspondence: Fabrice Lalloué, ; Stéphanie Durand, ; Muriel Mathonnet,
| | - Muriel Mathonnet
- INSERM U1308 - CAPTuR “Control of cell activation, Tumor progression and Therapeutic resistance”, Faculty of Medicine, University of Limoges, Limoges, France
- Department of Digestive Surgery, Dupuytren University Hospital, Limoges, France
- *Correspondence: Fabrice Lalloué, ; Stéphanie Durand, ; Muriel Mathonnet,
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Tsunedomi R, Yoshimura K, Kimura Y, Nishiyama M, Fujiwara N, Matsukuma S, Kanekiyo S, Matsui H, Shindo Y, Watanabe Y, Tokumitsu Y, Yoshida S, Iida M, Suzuki N, Takeda S, Ioka T, Hazama S, Nagano H. Elevated expression of RAB3B plays important roles in chemoresistance and metastatic potential of hepatoma cells. BMC Cancer 2022; 22:260. [PMID: 35277124 PMCID: PMC8917729 DOI: 10.1186/s12885-022-09370-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 03/04/2022] [Indexed: 12/24/2022] Open
Abstract
Abstract
Background
Cancer stem cells (CSCs) are thought to play important roles in carcinogenesis, recurrence, metastasis, and therapy-resistance. We have successfully induced cancer stem-like sphere cells (CSLCs) which possess enhanced chemoresistance and metastatic potential. To enable the development of targeted therapy against CSLCs, we identified a gene responsible for this phenotype in CSLC.
Methods
Human hepatoma cell line SK-HEP-1 was used for CSLC induction with a unique sphere inducing medium, and HuH-7 cells were used as non-sphere forming cells in the same condition. RNA-sequencing was performed followed by validation with quantitative RT-PCR and western blotting. Knockdown experiments were done by using CRISPR-Cas9 genome-editing, and the rescue experiments were performed using the expressing plasmid vector. Chemoresistance and liver metastasis of the cells, was studied following the splenic injection of cells to severely immune deficient mice and evaluated using the MTS assay. Quantification of exosomes in the medium was done using ELISA.
Results
RAB3B was identified as an up-regulated gene in both CSLCs and prognostically poor hepatocellular carcinoma (HCC) by RNA-sequencing. RAB3B-KD cells showed altered CSLC phenotypes such as sphere formation, chemoresistance, and metastatic potentials, and those were rescued by RAB3B complementation. Increased exosome secretion was observed in CSLCs, and it was not observed in the RAB3B-KD cells. In addition, the RAB3B expression correlated with the expression of ABCG2, APOE, LEPR, LXN, and TSPAN13.
Conclusion
The up regulation of RAB3B may play an important role in the chemoresistance and metastatic potential of CSLCs.
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Aldehyde Dehydrogenase 1 in Gastric Cancer. JOURNAL OF ONCOLOGY 2022; 2022:5734549. [PMID: 35310914 PMCID: PMC8926486 DOI: 10.1155/2022/5734549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/01/2022] [Accepted: 02/03/2022] [Indexed: 01/09/2023]
Abstract
Gastric cancer (GC) is a disease that threatens human health. It is thus crucial to clarify the mechanisms involved in GC development and discover diagnostic biomarkers and therapeutics. As a cancer stem cell marker, aldehyde dehydrogenase 1 (ALDH1) is involved in the development, progression, and treatment of GC. This review evaluated the prognostic value of ALDH1 and explored its mechanism of action in GC. Importantly, ALDH1 is an informative biomarker in clinical practice as it has specific relationships with indicators, such as metastasis and overall survival. Additionally, ALDH1 interacts with genes and exhibits properties that mimic stem cell characteristics amongst other mechanisms employed in the occurrence and progression of GC. Our results, therefore, provide evidence of possible clinical utility of ALDH1 as a GC therapeutic target.
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Oliveira BSAD, de Assis ACC, Souza NM, Ferreira LFR, Soriano RN, Bilal M, Iqbal HMN. Nanotherapeutic approach to tackle chemotherapeutic resistance of cancer stem cells. Life Sci 2021; 279:119667. [PMID: 34087280 DOI: 10.1016/j.lfs.2021.119667] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/16/2021] [Accepted: 05/22/2021] [Indexed: 02/07/2023]
Abstract
Estimates indicate that cancer will become the leading cause of mortality worldwide in the future. Tumorigenesis is a complex process that involves self-sufficiency in signs of growth, insensitivity to anti-growth signals, prevention of apoptosis, unlimited replication, sustained angiogenesis, tissue invasion, and metastasis. Cancer stem cells (CSCs) have an important role in tumor development and resistance. Here we will approach phenotypic plasticity capacity, highly efficient DNA repair systems, anti-apoptotic machinery, sustained stemness features, interaction with the tumor microenvironment, and Notch, Wnt, and Hedgehog signaling pathways. The researches about CSCs as a target in cancer treatment has been growing. Many different options have pointed beneficial results, such as pathways and CSC-surface markers targeting. Besides its limitations, nanotherapeutics have emerged as a potential strategy in this context since they aim to improve pharmacokinetics, biodistribution, and reduce the side effects observed in traditional treatments. Nanoparticles have been studied in this field, mostly for drug delivery and a multitherapy approach. Another widely researched approaches in this area are related to heat therapy, such as photothermal therapy, photodynamic therapy and magnetic hyperthermia, besides molecular targeting. This review will contemplate the most relevant studies that have shown the effects of nanotherapeutics. In conclusion, although the studies analyzed are mostly preclinical, we believe that there is strong evidence that nanoparticles can increase the chances of a better prognosis to cancer in the future. It is also essential to transpose these findings to the clinic to confirm and better understand the role of nanotherapeutics in this context.
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Affiliation(s)
- Bruna Stefane Alves de Oliveira
- Undergradute student, Department of Medicine, Federal University of Juiz de Fora, Governador Valadares, MG 35032-620, Brazil
| | - Ana Carolina Correa de Assis
- Undergradute student, Department of Medicine, Federal University of Juiz de Fora, Governador Valadares, MG 35032-620, Brazil
| | - Natália Melo Souza
- Undergradute student, Department of Medicine, Federal University of Juiz de Fora, Governador Valadares, MG 35032-620, Brazil
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil; Institute of Technology and Research (ITP), Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
| | - Renato Nery Soriano
- Division of Physiology and Biophysics, Department of Basic Life Sciences, Federal University of Juiz de Fora, Governador Valadares, MG 35010-177, Brazil
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
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Zhang Y, Meng H, Guo K. Inhibition of MicroRNA-302c on Stemness of Colon Cancer Stem Cells via the CARF/Wnt/β-Catenin Axis. Dig Dis Sci 2021; 66:1906-1915. [PMID: 32617772 DOI: 10.1007/s10620-020-06435-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 06/21/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Even though the relevance of microRNA (miR)-302c has been studied, little is known about its involvement in colon cancer (CC). AIMS Our aim here was to investigate the role of miR-302c in the cancer stem cells (CSCs) of CC. METHODS Firstly, the CSCs were screened out from cultured SW1116 and SW480 cells by flow cytometry, and the differentially expressed miRNAs in cell were obtained by microarray analysis. The expression of miR-302c, collaborator of ARF (CARF), and Wnt/β-catenin-related genes in CSCs was determined by means of RT-qPCR and Western blot. A dual-luciferase reporter assay was conducted to authenticate the binding relationship between miR-302c and CARF. Proliferation, migration, invasion, sphere formation as well as apoptosis of CSCs were assessed by cell counting kit-8, Transwell assay, sphere formation assay as well as flow cytometric analysis, respectively. The roles of miR-302c and CARF in tumor growth were determined in vivo. RESULTS The expression of miR-302c in CC cells was reduced versus that in normal cells. The overexpression of miR-302c weakened the stemness, proliferation, invasion, and migration abilities while induced apoptosis of CSCs in CC. Also, miR-302c reduced tumor size and weight in mice, accompanied with lowered CARF expression. The mechanistic analysis manifested that miR-302c bound to CARF and suppressed its expression and disrupted the Wnt/β-catenin signaling. CONCLUSION This study offers a novel characterization of miR-302c function in CSCs in CC, which may be beneficial to the development of capable therapeutic options for CC.
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Affiliation(s)
- Yun Zhang
- Department of Gastroenterology, Caoxian People's Hospital, Development Zone, Fumin Avenue, Caoxian, 274400, Shandong, People's Republic of China
| | - Hua Meng
- Department of Gastroenterology, Caoxian People's Hospital, Development Zone, Fumin Avenue, Caoxian, 274400, Shandong, People's Republic of China
| | - Kun Guo
- Department of Gastroenterology, Caoxian People's Hospital, Development Zone, Fumin Avenue, Caoxian, 274400, Shandong, People's Republic of China.
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Mazzio E, Badisa R, Mack N, Cassim S, Zdralevic M, Pouyssegur J, Soliman KFA. Whole-transcriptome Analysis of Fully Viable Energy Efficient Glycolytic-null Cancer Cells Established by Double Genetic Knockout of Lactate Dehydrogenase A/B or Glucose-6-Phosphate Isomerase. Cancer Genomics Proteomics 2021; 17:469-497. [PMID: 32859627 DOI: 10.21873/cgp.20205] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/14/2020] [Accepted: 06/26/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND/AIM Nearly all mammalian tumors of diverse tissues are believed to be dependent on fermentative glycolysis, marked by elevated production of lactic acid and expression of glycolytic enzymes, most notably lactic acid dehydrogenase (LDH). Therefore, there has been significant interest in developing chemotherapy drugs that selectively target various isoforms of the LDH enzyme. However, considerable questions remain as to the consequences of biological ablation of LDH or upstream targeting of the glycolytic pathway. MATERIALS AND METHODS In this study, we explore the biochemical and whole transcriptomic effects of CRISPR-Cas9 gene knockout (KO) of lactate dehydrogenases A and B [LDHA/B double KO (DKO)] and glucose-6-phosphate isomerase (GPI KO) in the human colon cancer cell line LS174T, using Affymetrix 2.1 ST arrays. RESULTS The metabolic biochemical profiles corroborate that relative to wild type (WT), LDHA/B DKO produced no lactic acid, (GPI KO) produced minimal lactic acid and both KOs displayed higher mitochondrial respiration, and minimal use of glucose with no loss of cell viability. These findings show a high biochemical energy efficiency as measured by ATP in glycolysis-null cells. Next, transcriptomic analysis conducted on 48,226 mRNA transcripts reflect 273 differentially expressed genes (DEGS) in the GPI KO clone set, 193 DEGS in the LDHA/B DKO clone set with 47 DEGs common to both KO clones. Glycolytic-null cells reflect up-regulation in gene transcripts typically associated with nutrient deprivation / fasting and possible use of fats for energy: thioredoxin interacting protein (TXNIP), mitochondrial 3-hydroxy-3-methylglutaryl-CoA synthase 2 (HMGCS2), PPARγ coactivator 1α (PGC-1α), and acetyl-CoA acyltransferase 2 (ACAA2). Other changes in non-ergometric transcripts in both KOs show losses in "stemness", WNT signaling pathway, chemo/radiation resistance, retinoic acid synthesis, drug detoxification, androgen/estrogen activation, and extracellular matrix reprogramming genes. CONCLUSION These findings demonstrate that: 1) The "Warburg effect" is dispensable, 2) loss of the LDHAB gene is not only inconsequential to viability but fosters greater mitochondrial energy, and 3) drugs that target LDHA/B are likely to be ineffective without a plausible combination second drug target.
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Affiliation(s)
- Elizabeth Mazzio
- College of Pharmacy & Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, U.S.A
| | - Ramesh Badisa
- College of Pharmacy & Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, U.S.A
| | - Nzinga Mack
- College of Pharmacy & Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, U.S.A
| | - Shamir Cassim
- Department of Medical Biology, Centre Scientifique de Monaco, Monaco, Monaco
| | - Masa Zdralevic
- University Côte d'Azur, IRCAN, CNRS, Centre A. Lacassagne, Nice, France
| | - Jacques Pouyssegur
- Department of Medical Biology, Centre Scientifique de Monaco, Monaco, Monaco .,University Côte d'Azur, IRCAN, CNRS, Centre A. Lacassagne, Nice, France
| | - Karam F A Soliman
- College of Pharmacy & Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, U.S.A.
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Fujiwara Y, Tsunedomi R, Yoshimura K, Matsukuma S, Fujiwara N, Nishiyama M, Kanekiyo S, Matsui H, Shindo Y, Tokumitsu Y, Yoshida S, Iida M, Suzuki N, Takeda S, Ioka T, Hazama S, Nagano H. Pancreatic Cancer Stem-Like Cells With High Calreticulin Expression Associated With Immune Surveillance. Pancreas 2021; 50:405-413. [PMID: 33835973 PMCID: PMC8041567 DOI: 10.1097/mpa.0000000000001772] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 02/16/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Pancreatic cancer stem-like cells (P-CSLCs) are thought to be associated with poor prognosis. Previously, we used proteomic analysis to identify a chaperone pro-phagocytic protein calreticulin (CALR) as a P-CSLC-specific protein. This study aimed to investigate the association between CALR and P-CSLC. METHODS PANC-1-Lm cells were obtained as P-CSLCs from a human pancreatic cancer cell line, PANC-1, using a sphere induction medium followed by long-term cultivation on laminin. To examine the cancer stem cell properties, subcutaneous injection of the cells into immune-deficient mice and sphere formation assay were performed. Cell surface expression analysis was performed using flow cytometry. RESULTS PANC-1-Lm showed an increased proportion of cell surface CALR-positive and side-population fractions compared with parental cells. PANC-1-Lm cells also had higher frequency of xenograft tumor growth and sphere formation than PANC-1 cells. Moreover, sorted CALRhigh cells from PANC-1-Lm had the highest sphere formation frequency among tested cells. Interestingly, the number of programmed death-ligand 1-positive cells among CALRhigh cells was increased as well, whereas that of human leukocyte antigen class I-positive cells decreased. CONCLUSION In addition to the cancer stem cell properties, the P-CSLC, which showed elevated CALR expression on the cell surface, might be associated with evasion of immune surveillance.
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Affiliation(s)
- Yasuhiro Fujiwara
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Ryouichi Tsunedomi
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Kiyoshi Yoshimura
- Department of Clinical Immunology and Oncology, Showa University, Shinagawa
| | - Satoshi Matsukuma
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Nobuyuki Fujiwara
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Mitsuo Nishiyama
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Shinsuke Kanekiyo
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Hiroto Matsui
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Yoshitaro Shindo
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Yukio Tokumitsu
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Shin Yoshida
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Michihisa Iida
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Nobuaki Suzuki
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | - Shigeru Takeda
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
| | | | - Shoichi Hazama
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
- Department of Translational Research and Developmental Therapeutics against Cancer, Yamaguchi University Faculty of Medicine, Ube, Japan
| | - Hiroaki Nagano
- From the Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube
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11
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Liang Y, Su Q, Wu X. Identification and Validation of a Novel Six-Gene Prognostic Signature of Stem Cell Characteristic in Colon Cancer. Front Oncol 2021; 10:571655. [PMID: 33680915 PMCID: PMC7933554 DOI: 10.3389/fonc.2020.571655] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer stem cells play crucial roles in the development of colon cancer (COAD). This study tried to explore new markers for predicting the prognosis of colon cancer based on stem cell-related genes. In our study, 424 COAD samples from TCGA were divided into three subtypes based on 412 stem cell-related genes; there were significant differences in prognosis, clinical characteristics, and immune scores between these subtypes. 694 genes were screened between subgroups. Subsequently a six-gene signature (DYDC2, MS4A15, MAGEA1, WNT7A, APOD, and SERPINE1) was established. This model had strong robustness and stable predictive performance in cohorts of different platforms. Taken together, the six-gene signature constructed in this study could be used as a novel prognostic marker for COAD patients.
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Affiliation(s)
- Yichao Liang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi Su
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xin Wu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
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12
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Hwang GR, Yuen JG, Ju J. Roles of microRNAs in Gastrointestinal Cancer Stem Cell Resistance and Therapeutic Development. Int J Mol Sci 2021; 22:ijms22041624. [PMID: 33562727 PMCID: PMC7915611 DOI: 10.3390/ijms22041624] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/12/2022] Open
Abstract
Resistance to cancer treatment is one of the major challenges currently faced when treating gastrointestinal (GI) cancers. A major contributing factor to this resistance is the presence of cancer stem cells (CSCs) in GI cancers (e.g., colorectal, pancreatic, gastric, liver cancer). Non-coding RNAs, such as microRNAs (miRNAs), have been found to regulate several key targets that are responsible for cancer stemness, and function as oncogenic miRNAs (oncomiRs) or tumor suppressor miRNAs. As a result, several miRNAs have been found to alter, or be altered by, the expression of CSC-defining markers and their related pathways. These miRNAs can be utilized to affect stemness in multiple ways, including directly targeting CSCs and enhancing the efficacy of cancer therapeutics. This review highlights current studies regarding the roles of miRNAs in GI CSCs, and efforts towards the development of cancer therapeutics.
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13
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Abstract
Although common cancer therapies, such as chemotherapy and radiation therapy, have recently improved and yielded good results, evaluated as tumor shrinkage, disease recurrence is still a common event for most cancer patients. This is termed refractory cancer. This tumor regrowth following therapy is generally thought to be caused by a small, specific population of tumor cells called cancer stem cells (CSCs). Similar to other stem cells, CSCs have the capacity for self-renewal and multipotent differentiation, and they have been identified in many tumor types based on cell surface protein expression. This specific cell population has stemness characteristics as examined by serial transplantation in animal models. Previous studies have developed a specific signature of cell surface markers and biological functions that can identify CSCs in many solid tumors. In this review, we summarize the characterization of CSCs using new techniques for identifying and quantifying them in situ. These techniques and concepts could be valuable for evaluating the effects of therapies on this cell population. Finally, we conclude by discussing several unique preclinical treatment strategies to targets CSCs, such as reprogramming CSCs or inducing attack by immune cells. Therapeutic and diagnostic methodologies that can target and quantify CSCs will be valuable tools for eradicating refractory cancer.
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14
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Gupta P, Rizvi SZ, Lal N, Gupta V, Srivastav AN, Musa O. Expression of CD44 and CD133 stem cell markers in squamous cell carcinoma of esophagus. INDIAN J PATHOL MICR 2021; 64:472-478. [PMID: 34341256 DOI: 10.4103/ijpm.ijpm_682_20] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Context Role of cancer stem cells in the esophageal carcinogenesis is not clear. Aim To assess the expression of CD44 and CD133 cancer stem cell markers in esophageal squamous cell carcinoma (ESCC) and its predisposing lesions by immunohistochemistry. Setting and Design Prospective study as a part of an intramural research project. Materials and Methods Tissues samples were obtained with endoscopic biopsy and from surgically resected esophageal specimens. Fifty cases each of histopathologically diagnosed cases of esophageal squamous cell carcinoma and its predisposing lesions (mild, moderate, and severe dysplasia and esophagitis) were evaluated for stem cell marker CD44 and C133 by immunohistochemistry using a scoring system. Statistical Analysis Chi-square test, analysis of variance (ANOVA), post-hoc tests (Tukey-HSD) were used as appropriate for data analysis. Two sided P < 0.05 was considered as significant. Results CD44 expression was significantly higher in ESCC as compared to dysplasia and esophagitis (mean IS 7.92 ± 1.45 vs. 6.34 ± 0.80 vs 5.15 ± 0.86 respectively, P < 0.001). CD133 expression was also significantly higher in ESCC as compared to dysplasia (mean IS 6.82 ± 1.57 vs. 1.00 ± 0.00 respectively, P < 0.001) while esophagitis showed no expression. CD44 and CD133 expressions were significantly higher in poorly differentiated ESCC than moderately differentiated and well differentiated lesions (CD44 mean IS 6.94 ± 1.44 vs 8.17 ± 1.38 vs. 8.63 ± 1.02 respectively, P < 0.001 and CD 133 mean IRS 5.63 ± 0.81 vs 6.00 ± 00 vs. 9.0 ± 00 respectively, P < 0.001). Conclusion Significantly higher expression of CD44 and CD133 cancer stem cell markers in ESCC as compared to its predisposing lesions (esophagitis and dysplasia) suggests its role in esophageal carcinogenesis.
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Affiliation(s)
- Parul Gupta
- Department of Pathology, Era's Lucknow Medical College and Hospital, Era University, Lucknow, Uttar Pradesh, India
| | - Sania Z Rizvi
- Department of Pathology, Era's Lucknow Medical College and Hospital, Era University, Lucknow, Uttar Pradesh, India
| | - Nirupma Lal
- Department of Pathology, Era's Lucknow Medical College and Hospital, Era University, Lucknow, Uttar Pradesh, India
| | - Vishal Gupta
- Department of Surgical Gastroenterology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Anand N Srivastav
- Director Research, Era's Lucknow Medical College and Hospital, Era University, Lucknow, Uttar Pradesh, India
| | - Osman Musa
- Department of Surgery, Era's Lucknow Medical College and Hospital, Era University, Lucknow, Uttar Pradesh, India
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15
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Fujimoto T, Tsunedomi R, Matsukuma S, Yoshimura K, Oga A, Fujiwara N, Fujiwara Y, Matsui H, Shindo Y, Tokumitsu Y, Suzuki N, Kobayashi S, Hazama S, Eguchi H, Nagano H. Cathepsin B is highly expressed in pancreatic cancer stem-like cells and is associated with patients' surgical outcomes. Oncol Lett 2020; 21:30. [PMID: 33240436 PMCID: PMC7681200 DOI: 10.3892/ol.2020.12291] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 09/15/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer stem-like cells (CSLCs) in solid tumors are resistant to conventional chemotherapy and molecularly targeted therapy, which is thought to contribute to cancer recurrence and metastasis. The present study aimed to identify biomarkers for pancreatic CSLCs (P-CSLCs). Using our previously reported methods, P-CSLC-enriched populations were generated from pancreatic cancer cell lines. The protein expression profiles of these populations were compared with those of parental cells using two-dimensional electrophoresis, tandem mass spectrometry, flow cytometry and immunohistochemistry. Protein expression in surgical specimens was also evaluated for relationships with clinical outcomes. A lysosomal cysteine protease, cathepsin B (CTSB), was significantly upregulated in P-CSLCs compared with that in the parental cells, as shown using western blotting. Flow cytometry analysis also confirmed that CTSB was more highly expressed on the surface of P-CSLCs compared with that on parental cells. Moreover, PCLCs had elevated cellular secretions of CTSB compared with the parental cells. Finally, CTSB expression was evaluated in 69 resected tumor specimens, and high expression was associated with the patients' clinicopathological features and surgical outcomes. The present results suggested that CTSB is a biomarker for poor survival in patients with pancreatic cancer, which is possibly associated with P-CSLCs. This novel biomarker may also have potential as a therapeutic target.
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Affiliation(s)
- Takuya Fujimoto
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Ryouichi Tsunedomi
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Satoshi Matsukuma
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Kiyoshi Yoshimura
- Department of Clinical Research in Tumor Immunology, Showa University Clinical Research Institute for Clinical Pharmacology and Therapeutics, Setagaya, Tokyo 157-8577, Japan
| | - Atsunori Oga
- Department of Molecular Pathology, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Nobuyuki Fujiwara
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Yasuhiro Fujiwara
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Hiroto Matsui
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Yoshitaro Shindo
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Yukio Tokumitsu
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Nobuaki Suzuki
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Shogo Kobayashi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Shoichi Hazama
- Department of Translational Research and Developmental Therapeutics Against Cancer, Yamaguchi University School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Hiroaki Nagano
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
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16
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Ko YC, Lai TY, Hsu SC, Wang FH, Su SY, Chen YL, Tsai ML, Wu CC, Hsiao JR, Chang JY, Wu YM, Robinson DR, Lin CY, Lin SF. Index of Cancer-Associated Fibroblasts Is Superior to the Epithelial-Mesenchymal Transition Score in Prognosis Prediction. Cancers (Basel) 2020; 12:cancers12071718. [PMID: 32605311 PMCID: PMC7408083 DOI: 10.3390/cancers12071718] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/23/2020] [Accepted: 06/25/2020] [Indexed: 02/06/2023] Open
Abstract
In many solid tumors, tissue of the mesenchymal subtype is frequently associated with epithelial–mesenchymal transition (EMT), strong stromal infiltration, and poor prognosis. Emerging evidence from tumor ecosystem studies has revealed that the two main components of tumor stroma, namely, infiltrated immune cells and cancer-associated fibroblasts (CAFs), also express certain typical EMT genes and are not distinguishable from intrinsic tumor EMT, where bulk tissue is concerned. Transcriptomic analysis of xenograft tissues provides a unique advantage in dissecting genes of tumor (human) or stroma (murine) origins. By transcriptomic analysis of xenograft tissues, we found that oral squamous cell carcinoma (OSCC) tumor cells with a high EMT score, the computed mesenchymal likelihood based on the expression signature of canonical EMT markers, are associated with elevated stromal contents featured with fibronectin 1 (Fn1) and transforming growth factor-β (Tgfβ) axis gene expression. In conjugation with meta-analysis of these genes in clinical OSCC datasets, we further extracted a four-gene index, comprising FN1, TGFB2, TGFBR2, and TGFBI, as an indicator of CAF abundance. The CAF index is more powerful than the EMT score in predicting survival outcomes, not only for oral cancer but also for the cancer genome atlas (TCGA) pan-cancer cohort comprising 9356 patients from 32 cancer subtypes. Collectively, our results suggest that a further distinction and integration of the EMT score with the CAF index will enhance prognosis prediction, thus paving the way for curative medicine in clinical oncology.
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Affiliation(s)
- Ying-Chieh Ko
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County 35053, Taiwan; (Y.-C.K.); (Y.-L.C.); (M.-L.T.); (C.-C.W.); (J.-Y.C.)
| | - Ting-Yu Lai
- Institute of Bioinformatics and Structural Biology, National Tsing-Hua University, Hsinchu 30013, Taiwan;
| | - Shu-Ching Hsu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County 35053, Taiwan; (S.-C.H.); (F.-H.W.)
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 80708, Taiwan
- PhD Program in Tissue Engineering and Regenerative Medicine, National Chung Hsing University, Taichung City 40227, Taiwan
| | - Fu-Hui Wang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County 35053, Taiwan; (S.-C.H.); (F.-H.W.)
| | - Sheng-Yao Su
- Institute of Information Science, Academia Sinica, Taipei 11529, Taiwan; (S.-Y.S.); (C.-Y.L.)
| | - Yu-Lian Chen
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County 35053, Taiwan; (Y.-C.K.); (Y.-L.C.); (M.-L.T.); (C.-C.W.); (J.-Y.C.)
| | - Min-Lung Tsai
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County 35053, Taiwan; (Y.-C.K.); (Y.-L.C.); (M.-L.T.); (C.-C.W.); (J.-Y.C.)
| | - Chung-Chun Wu
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County 35053, Taiwan; (Y.-C.K.); (Y.-L.C.); (M.-L.T.); (C.-C.W.); (J.-Y.C.)
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung City 40447, Taiwan
| | - Jenn-Ren Hsiao
- Department of Otolaryngology, Head and Neck Collaborative Oncology Group, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan;
| | - Jang-Yang Chang
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County 35053, Taiwan; (Y.-C.K.); (Y.-L.C.); (M.-L.T.); (C.-C.W.); (J.-Y.C.)
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan
| | - Yi-Mi Wu
- Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (Y.-M.W.); (D.R.R.)
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Dan R. Robinson
- Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, MI 48109, USA; (Y.-M.W.); (D.R.R.)
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Chung-Yen Lin
- Institute of Information Science, Academia Sinica, Taipei 11529, Taiwan; (S.-Y.S.); (C.-Y.L.)
| | - Su-Fang Lin
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County 35053, Taiwan; (Y.-C.K.); (Y.-L.C.); (M.-L.T.); (C.-C.W.); (J.-Y.C.)
- Correspondence: ; Tel.: +886-37-206166 (ext. 35107)
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