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Geyer F, Geyer M, Reuning U, Klapproth S, Wolff KD, Nieberler M. CHD4 acts as a prognostic factor and drives radioresistance in HPV negative HNSCC. Sci Rep 2024; 14:8286. [PMID: 38594331 PMCID: PMC11003975 DOI: 10.1038/s41598-024-58958-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 04/04/2024] [Indexed: 04/11/2024] Open
Abstract
Despite great efforts in improving existing therapies, the outcome of patients with advanced radioresistant HPV-negative head and neck squamous cell carcinoma (HNSCC) remains poor. The chromatin remodeler Chromodomain helicase DNA binding protein 4 (CHD4) is involved in different DNA-repair mechanisms, but the role and potential in HNSCC has not been explored yet. In the present study, we evaluated the prognostic significance of CHD4 expression using in silico analysis of the pan-cancer dataset. Furthermore, we established a monoclonal HNSCC CHD4 knockdown cell clone utilizing the CRISPR/Cas9 system. Effects of lower CHD4 expression on radiosensitivity after increasing doses of ionizing radiation were characterized using clonogenic assays and cell numbers. The in silico analysis revealed that high CHD4 expression is associated with significant poorer overall survival of HPV-negative HNSCC patients. Additionally, the knockdown of CHD4 significantly increased the radiosensitivity of HNSCC cells. Therefore, CHD4 might be involved in promoting radioresistance in hard-to-treat HPV-negative HNSCC entities. We conclude that CHD4 could serve as a prognostic factor in HPV-negative HNSCC tumors and is a potential target protein overcoming radioresistance in HNSCC. Our results and the newly established cell clone laid the foundation to further characterize the underlying mechanisms and ultimately use CHD4 in HNSCC therapies.
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Affiliation(s)
- Fabian Geyer
- Department of Oral and Maxillofacial Surgery, Klinikum Rechts der Isar der Technischen Universität München, 81675, Munich, Germany.
| | - Maximilian Geyer
- Department of Oral and Maxillofacial Surgery, Klinikum Rechts der Isar der Technischen Universität München, 81675, Munich, Germany
| | - Ute Reuning
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675, Munich, Germany
| | - Sarah Klapproth
- Institute of Experimental Hematology, School of Medicine, Technische Universität München, 81675, Munich, Germany
| | - Klaus-Dietrich Wolff
- Department of Oral and Maxillofacial Surgery, Klinikum Rechts der Isar der Technischen Universität München, 81675, Munich, Germany
| | - Markus Nieberler
- Department of Oral and Maxillofacial Surgery, Klinikum Rechts der Isar der Technischen Universität München, 81675, Munich, Germany
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Liang M, Sheng L, Ke Y, Wu Z. The research progress on radiation resistance of cervical cancer. Front Oncol 2024; 14:1380448. [PMID: 38651153 PMCID: PMC11033433 DOI: 10.3389/fonc.2024.1380448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/25/2024] [Indexed: 04/25/2024] Open
Abstract
Cervical carcinoma is the most prevalent gynecology malignant tumor and ranks as the fourth most common cancer worldwide, thus posing a significant threat to the lives and health of women. Advanced and early-stage cervical carcinoma patients with high-risk factors require adjuvant treatment following surgery, with radiotherapy being the primary approach. However, the tolerance of cervical cancer to radiotherapy has become a major obstacle in its treatment. Recent studies have demonstrated that radiation resistance in cervical cancer is closely associated with DNA damage repair pathways, the tumor microenvironment, tumor stem cells, hypoxia, cell cycle arrest, and epigenetic mechanisms, among other factors. The development of tumor radiation resistance involves complex interactions between multiple genes, pathways, and mechanisms, wherein each factor interacts through one or more signaling pathways. This paper provides an overview of research progress on an understanding of the mechanism underlying radiation resistance in cervical cancer.
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Affiliation(s)
| | | | - Yumin Ke
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Zhuna Wu
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
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3
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Tong G, Zhang G, Hu Y, Xu X, Wang Y. Correlation between mismatch repair statuses and the prognosis of stage I-IV colorectal cancer. Front Oncol 2024; 13:1278398. [PMID: 38348120 PMCID: PMC10859923 DOI: 10.3389/fonc.2023.1278398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/27/2023] [Indexed: 02/15/2024] Open
Abstract
Background The role of microsatellite instability (MSI) and prognosis for stage II-III colorectal cancer (CRC) has been described, but the role of MSI in stage I and IV CRC is controversial. Methods A total of 2,540 CRC patients were collected from Huzhou Central Hospital, China, from January 2006 to 2016, and 783 cases were excluded. This retrospective study illustrates the correlation between MMR status and prognosis for 1,757 CRC patients as well as the correlation between MSI and prognosis for CRC patients. Two groups were classified as MSI-H and MSI-L&MSS. If the expression of one or more mismatch repair (MMR) proteins was negative, it was considered as microsatellite instability high expression (MSI-H), whereas positive expression was considered as microsatellite instability low expression and microsatellite stability (MSI-L&MSS), as assessed by correlation analyses. Overall and disease-free survival were analyzed using the Kaplan-Meier method. Univariable and multivariable analyses were conducted using Cox regression. Results Preoperative serum S-CEA, positive lymph, tumor size, pathologic tumor (Pt) status, node (N) stage, differentiation, chemotherapy, and the 8th Edition of the American Joint Committee on Cancer (AJCC-8) were significantly correlated with MSI (P=0.028, 0.037, 0.019, 0.007, 0.002, <0.001, <0.001, and <0.001, respectively), whereas tumor location was not associated with MSI. Univariable and multivariable analyses showed that MSI was an independent factor for CRC. The 5-year overall survival (OS) and 5-year disease-free survival (DFS, P<0.001) rates differed significantly between the two groups in stages II, III, and IV, whereas stage I did not show a significant difference (P>0.05). Conclusion MSI-H was associated with a good prognosis for stages II to IV, whereas stage I did not show any significant correlation. Moreover, MSI expression was an independent prognostic factor.
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Affiliation(s)
- Guojun Tong
- Colorectal Surgery, Huzhou Central Hospital, The Affiliated Huzhou Central Hospital of Huzhou University, Zhejiang, China
- Central Laboratory, Huzhou Central Hospital, The Affiliated Huzhou Central Hopsital of Huzhou University, Zhejiang, China
| | - Guiyang Zhang
- Colorectal Surgery, Huzhou Central Hospital, The Affiliated Huzhou Central Hospital of Huzhou University, Zhejiang, China
| | - Yan Hu
- Department of English, Huzhou Vocational and Technical College, Zhejiang, China
| | - Xuting Xu
- Central Laboratory, Huzhou Central Hospital, The Affiliated Huzhou Central Hopsital of Huzhou University, Zhejiang, China
| | - Yanyan Wang
- Pathology Department, Huzhou Central Hospital, The Affiliated Central Hospital of Huzhou University, Zhejiang, China
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Muhammad T, Pastore SF, Good K, Ausió J, Vincent JB. Chromatin gatekeeper and modifier CHD proteins in development, and in autism and other neurological disorders. Psychiatr Genet 2023; 33:213-232. [PMID: 37851134 DOI: 10.1097/ypg.0000000000000353] [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] [Indexed: 10/19/2023]
Abstract
Chromatin, a protein-DNA complex, is a dynamic structure that stores genetic information within the nucleus and responds to molecular/cellular changes in its structure, providing conditional access to the genetic machinery. ATP-dependent chromatin modifiers regulate access of transcription factors and RNA polymerases to DNA by either "opening" or "closing" the structure of chromatin, and its aberrant regulation leads to a variety of neurodevelopmental disorders. The chromodomain helicase DNA-binding (CHD) proteins are ATP-dependent chromatin modifiers involved in the organization of chromatin structure, act as gatekeepers of genomic access, and deposit histone variants required for gene regulation. In this review, we first discuss the structural and functional domains of the CHD proteins, and their binding sites, and phosphorylation, acetylation, and methylation sites. The conservation of important amino acids in SWItch/sucrose non-fermenting (SWI/SNF) domains, and their protein and mRNA tissue expression profiles are discussed. Next, we convey the important binding partners of CHD proteins, their protein complexes and activities, and their involvements in epigenetic regulation. We also show the ChIP-seq binding dynamics for CHD1, CHD2, CHD4, and CHD7 proteins at promoter regions of histone genes, as well as several genes that are critical for neurodevelopment. The role of CHD proteins in development is also discussed. Finally, this review provides information about CHD protein mutations reported in autism and neurodevelopmental disorders, and their pathogenicity. Overall, this review provides information on the progress of research into CHD proteins, their structural and functional domains, epigenetics, and their role in stem cell, development, and neurological disorders.
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Affiliation(s)
- Tahir Muhammad
- Molecular Neuropsychiatry & Development (MiND) Lab, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health
- Institute of Medical Science, University of Toronto, Toronto, ON
| | - Stephen F Pastore
- Molecular Neuropsychiatry & Development (MiND) Lab, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health
- Institute of Medical Science, University of Toronto, Toronto, ON
| | - Katrina Good
- Molecular Neuropsychiatry & Development (MiND) Lab, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC
| | - Juan Ausió
- Department of Biochemistry and Microbiology, University of Victoria, Victoria, BC
| | - John B Vincent
- Molecular Neuropsychiatry & Development (MiND) Lab, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health
- Institute of Medical Science, University of Toronto, Toronto, ON
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
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5
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Wang J, Zhong F, Li J, Yue H, Li W, Lu X. The epigenetic factor CHD4 contributes to metastasis by regulating the EZH2/β-catenin axis and acts as a therapeutic target in ovarian cancer. J Transl Med 2023; 21:38. [PMID: 36681835 PMCID: PMC9862813 DOI: 10.1186/s12967-022-03854-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 12/26/2022] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND The overall survival rate of patients with advanced ovarian cancer (OC) has remained static for several decades. Advanced ovarian cancer is known for its poor prognosis due to extensive metastasis. Epigenetic alterations contribute to tumour progression and therefore are of interest for potential therapeutic strategies. METHODS Following our previous study, we identified that CHD4, a chromatin remodelling factor, plays a strong role in ovarian cancer cell metastasis. We investigated the clinical significance of CHD4 through TCGA and GEO database analyses and explored the effect of CHD4 expression modulation and romidepsin treatment on the biological behaviour of ovarian cancer through CCK-8 and transwell assays. Bioluminescence imaging of tumours in xenografted mice was applied to determine the therapeutic effect of romidepsin. GSEA and western blotting were used to screen the regulatory mechanism of CHD4. RESULTS In ovarian cancer patient specimens, high CHD4 expression was associated with a poor prognosis. Loss of function of CHD4 in ovarian cancer cells induced suppression of migration and invasion. Mechanistically, CHD4 knockdown suppressed the expression of EZH2 and the nuclear accumulation of β-catenin. CHD4 also suppressed the metastasis of ovarian cancer cells and prevented disease progression in a mouse model. To inhibit the functions of CHD4 that are mediated by histone deacetylase, we evaluated the effect of the HDAC1/2 selective inhibitor romidepsin. Our findings indicated that treatment with romidepsin suppressed the progression of metastases in vitro and in vivo. CONCLUSIONS Collectively, our results uncovered an oncogenic function of CHD4 in ovarian cancer and provide a rationale for clinical trials of romidepsin in ovarian cancer patients.
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Affiliation(s)
- Jieyu Wang
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, 200090, China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Fudan University, Shanghai, 200090, China
| | - Fangfang Zhong
- Department of Pathology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, 200090, China
| | - Jun Li
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, 200090, China
| | - Huiran Yue
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, 200090, China
| | - Wenzhi Li
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, 200090, China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Fudan University, Shanghai, 200090, China
| | - Xin Lu
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, 200090, China.
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Fudan University, Shanghai, 200090, China.
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Wang Y, Huang X, Wang P, Zeng Y, Zhou G. The hsa_circ_0007396-miR-767-3p-CHD4 axis is involved in the progression and carcinogenesis of gastric cancer. J Gastrointest Oncol 2022; 13:2885-2902. [PMID: 36636050 PMCID: PMC9830344 DOI: 10.21037/jgo-22-1218] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/14/2022] [Indexed: 12/29/2022] Open
Abstract
Background Circular RNAs (circRNAs) have been linked to numerous human cancers, including gastric cancer (GC), in numerous recent investigations. The expression of circRNA and the mechanisms involved in GC are still unknown. Methods In this work, Gene Expression Omnibus 2R (GEO2R) online tool was first used to screen 6 candidates of differentially expressed circRNAs in 2 datasets, GSE83521 and GSE89143. Then, using Cancer-Specific CircRNA Database (CSCD), the structural loop diagrams of these circRNAs were generated. After combining the Circular RNA Interactome (CRI) and CSCD databases for miRNA co-prediction, a candidate circRNA-miRNA sub-network was successfully created. The expression of these miRNAs was further examined using Cytoscape software, and 2 miRNAs, miR-767-5p and miR-767-3p. Results We used GEO2R to analyze the differential expression of GSE83521 and GSE89143 datasets in GEO database. Through the construction of the structural ring diagram of CSCD database, we found that hsa_circRNA_100571, hsa_circRNA_103102, hsa_circRNA_100754, hsa_circRNA_100737, hsa_circRNA_100269, hsa_circRNA_102476, hsa_circRNA_101287 is the final candidate circRNA in GC. MiR-767-5p and miR-767-3p were found to be important miRNAs in GC. The miRNet database indicated their downstream target genes. In various studies, namely central gene screening, correlation analysis, and protein-protein interaction (PPI), we detected chromodomain helicase DNA binding protein 4 (CHD4) as a key potential candidate of hsa-mir-767-3p. Next, we conducted validation of clinical data. We included the clinical data of 100 patients with GC, and found that patients with low CHD4 expression had significantly higher OS and PFS than those with high CHD4 expression (P<0.001, P=0.005). Cox regression analysis showed that low CHD4 expression was an independent risk factor for tumor progression (P=0.001). At the same time, tumor differentiation and chemotherapy also had a certain impact on the progression of GC (all P<0.05). Therefore, CHD4 may provide a promising therapeutic target for the future treatment of GC. Conclusions We identified an important hsa_circ_0007396-miR-767-3p-CHD4 axis, which is associated with GC proliferation and carcinogenesis, and may represent a promising therapeutic target for the future cure of GC.
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Affiliation(s)
- Yantao Wang
- Guangzhou Weimi Biotechnology Co., Ltd., Guangzhou, China
| | - Xuan Huang
- Department of Laboratory Medicine, the Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Panpan Wang
- Guangzhou Weimi Biotechnology Co., Ltd., Guangzhou, China
| | - Yi Zeng
- Guangzhou Weimi Biotechnology Co., Ltd., Guangzhou, China
| | - Guozhi Zhou
- Department of Oncology, Sir Run Run Hospital, Nanjing Medical University, Nanjing, China
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Lee HH, Chen CH, Huang YH, Chiang CH, Huang MY. Biomarkers of Favorable vs. Unfavorable Responses in Locally Advanced Rectal Cancer Patients Receiving Neoadjuvant Concurrent Chemoradiotherapy. Cells 2022; 11:cells11101611. [PMID: 35626648 PMCID: PMC9139800 DOI: 10.3390/cells11101611] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/27/2022] [Accepted: 05/10/2022] [Indexed: 02/04/2023] Open
Abstract
Colorectal cancer is the second leading cause of cancer death globally. The gold standard for locally advanced rectal cancer (LARC) nowadays is preoperative concurrent chemoradiation (CCRT). Approximately three quarters of LARC patients do not achieve pathological complete response and hence suffer from relapse, metastases and inevitable death. The exploration of trustworthy and timely biomarkers for CCRT response is urgently called for. This review focused upon a broad spectrum of biomarkers, including circulating tumor cells, DNA, RNA, oncogenes, tumor suppressor genes, epigenetics, impaired DNA mismatch repair, patient-derived xenografts, in vitro tumor organoids, immunity and microbiomes. Utilizing proper biomarkers can assist in categorizing appropriate patients by the most efficient treatment modality with the best outcome and accompanied by minimal side effects. The purpose of this review is to inspect and analyze accessible data in order to fully realize the promise of precision oncology for rectal cancer patients.
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Affiliation(s)
- Hsin-Hua Lee
- Ph.D. Program in Environmental and Occupational Medicine, National Health Research Institutes, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (C.-H.C.); (C.-H.C.)
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chien-Hung Chen
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (C.-H.C.); (C.-H.C.)
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Radiation Oncology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 801, Taiwan
| | - Yu-Hsiang Huang
- Post-Graduate Year Training, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan;
| | - Cheng-Han Chiang
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (C.-H.C.); (C.-H.C.)
| | - Ming-Yii Huang
- Ph.D. Program in Environmental and Occupational Medicine, National Health Research Institutes, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; (C.-H.C.); (C.-H.C.)
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: ; Tel.: +886-7-3121101 (ext. 7158)
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Golden NL, Foley MK, Kim Guisbert KS, Guisbert E. Divergent regulatory roles of NuRD chromatin remodeling complex subunits GATAD2 and CHD4 in Caenorhabditis elegans. Genetics 2022; 221:iyac046. [PMID: 35323946 PMCID: PMC9071545 DOI: 10.1093/genetics/iyac046] [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: 01/16/2022] [Accepted: 03/11/2022] [Indexed: 11/12/2022] Open
Abstract
During proteotoxic stress, a pathway known as the heat shock response is induced to maintain protein-folding homeostasis or proteostasis. Previously, we identified the Caenorhabditis elegans GATAD2 ortholog, dcp-66, as a novel regulator of the heat shock response. Here, we extend these findings to show that dcp-66 positively regulates the heat shock response at the cellular, molecular, and organismal levels. As GATAD2 is a subunit of the nucleosome remodeling and deacetylase chromatin remodeling complex, we examined other nucleosome remodeling and deacetylase subunits and found that the let-418 (CHD4) nucleosome repositioning core also regulates the heat shock response. However, let-418 acts as a negative regulator of the heat shock response, in contrast to positive regulation by dcp-66. The divergent effects of these two nucleosome remodeling and deacetylase subunits extend to the regulation of other stress responses including oxidative, genotoxic, and endoplasmic reticulum stress. Furthermore, a transcriptomic approach reveals additional divergently regulated pathways, including innate immunity and embryogenesis. Taken together, this work establishes new insights into the role of nucleosome remodeling and deacetylase subunits in organismal physiology. We incorporate these findings into a molecular model whereby different mechanisms of recruitment to promoters can result in the divergent effects of nucleosome remodeling and deacetylase subunits.
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Affiliation(s)
- Nicole L Golden
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA
| | - Michaela K Foley
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA
| | - Karen S Kim Guisbert
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA
| | - Eric Guisbert
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA
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Larionova I, Rakina M, Ivanyuk E, Trushchuk Y, Chernyshova A, Denisov E. Radiotherapy resistance: identifying universal biomarkers for various human cancers. J Cancer Res Clin Oncol 2022; 148:1015-1031. [PMID: 35113235 DOI: 10.1007/s00432-022-03923-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 01/12/2022] [Indexed: 12/16/2022]
Abstract
Radiotherapy (RT) is considered as a standard in the treatment of most solid cancers, including glioblastoma, lung, breast, rectal, prostate, colorectal, cervical, esophageal, and head and neck cancers. The main challenge in RT is tumor cell radioresistance associated with a high risk of locoregional relapse and distant metastasis. Despite significant progress in understanding mechanisms of radioresistance, its prediction and overcoming remain unresolved. This review presents the state-of-the-art for the potential universal biomarkers correlated to the radioresistance and poor outcome in different cancers. We describe radioresistance biomarkers functionally attributed to DNA repair, signal transduction, hypoxia, and angiogenesis. We also focus on high throughput genetic and proteomic studies, which revealed a set of molecular biomarkers related to radioresistance. In conclusion, we discuss biomarkers which are overlapped in most several cancers.
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Affiliation(s)
- Irina Larionova
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia.
| | - Militsa Rakina
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, Tomsk, 634050, Tomsk, Russia
| | - Elena Ivanyuk
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Yulia Trushchuk
- Department of Gynecologic Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Alena Chernyshova
- Department of Gynecologic Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Evgeny Denisov
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
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10
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Sakaguchi C, Ichihara K, Nita A, Katayama Y, Nakayama KI. Identification and characterization of novel proteins associated with CHD4. Genes Cells 2021; 27:61-71. [PMID: 34897913 DOI: 10.1111/gtc.12909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 11/30/2022]
Abstract
The CHD (chromodomain helicase DNA binding protein) family consists of nine chromatin remodeling factors that alter chromatin structure in an ATP-dependent manner. CHD4 contributes to the regulation of various cellular activities and processes including development through interaction with multiple proteins including formation of the NuRD (nucleosome remodeling and deacetylase activity) complex. Functions of CHD4 that appear not to be mediated by the NuRD complex or other known interactors have also been identified, however, suggesting the existence of unrecognized proteins that also associate with CHD4. We here generated HeLa-S3 and HEK293T cells with a knock-in allele for FLAG epitope-tagged CHD4 and used these cells to identify proteins that bind to CHD4 with the use of immunoprecipitation followed by liquid chromatography and tandem mass spectrometry. LCORL (ligand-dependent nuclear receptor corepressor like) and NOL4L (nucleolar protein 4 like) were reproducibly identified as novel CHD4 interactors. Furthermore, RNA-sequencing analysis of HEK293T cells depleted of CHD4, LCORL, or NOL4L revealed consistent up-regulation of genes related to the Notch signaling pathway. Our results thus suggest that both LCORL and NOL4L may cooperate with CHD4 to suppress the Notch pathway in mammalian cells.
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Affiliation(s)
- Chihiro Sakaguchi
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Kazuya Ichihara
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Akihiro Nita
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Yuta Katayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Keiichi I Nakayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
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11
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Wei FZ, Mei SW, Wang ZJ, Chen JN, Shen HY, Zhao FQ, Li J, Xiao TX, Liu Q. Development and Validation of a Nomogram and a Comprehensive Prognostic Analysis of an LncRNA-Associated Competitive Endogenous RNA Network Based on Immune-Related Genes for Locally Advanced Rectal Cancer With Neoadjuvant Therapy. Front Oncol 2021; 11:697948. [PMID: 34350117 PMCID: PMC8327778 DOI: 10.3389/fonc.2021.697948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/21/2021] [Indexed: 11/24/2022] Open
Abstract
Colorectal cancer (CRC) is a common digestive tract tumor worldwide. In recent years, neoadjuvant chemoradiotherapy (CRT) has been the most comprehensive treatment for locally advanced rectal cancer (LARC). In this study, we explored immune infiltration in rectal cancer (RC) and identified immune-related differentially expressed genes (IRDEGs). Then, we identified response markers in datasets in GEO databases by principal component analysis (PCA). We also utilized three GEO datasets to identify the up- and downregulated response-related genes simultaneously and then identified genes shared between the PCA markers and three GEO datasets. Based on the hub IRDEGs, we identified target mRNAs and constructed a ceRNA network. Based on the ceRNA network, we explored prognostic biomarkers to develop a prognostic model for RC through Cox regression. We utilized the specimen to validate the expression of the two biomarkers. We also utilized LASSO regression to screen hub IRDEGs and built a nomogram to predict the response of LARC patients to CRT. All of the results show that the nomogram and prognostic model offer good prognostic value and that the ceRNA network can effectively highlight the regulatory relationship. hsa-mir-107 and WDFY3-AS2 may be prognostic biomarkers for RC.
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Affiliation(s)
- Fang-Ze Wei
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shi-Wen Mei
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhi-Jie Wang
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jia-Nan Chen
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hai-Yu Shen
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fu-Qiang Zhao
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Juan- Li
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ti-Xian Xiao
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qian Liu
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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12
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Oyama Y, Shigeta S, Tokunaga H, Tsuji K, Ishibashi M, Shibuya Y, Shimada M, Yasuda J, Yaegashi N. CHD4 regulates platinum sensitivity through MDR1 expression in ovarian cancer: A potential role of CHD4 inhibition as a combination therapy with platinum agents. PLoS One 2021; 16:e0251079. [PMID: 34161330 PMCID: PMC8221472 DOI: 10.1371/journal.pone.0251079] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 04/19/2021] [Indexed: 12/20/2022] Open
Abstract
Platinum sensitivity is an important prognostic factor in patients with ovarian cancer. Chromodomain-helicase-DNA-binding protein 4 (CHD4) is a core member of the nucleosome remodeling and deacetylase complex, which functions as a chromatin remodeler. Emerging evidence indicates that CHD4 could be a potential therapeutic target for cancer therapy. The purpose of this study was to clarify the role of CHD4 in ovarian cancer and investigate its therapeutic potential focusing on platinum sensitivity. In an analysis of the Cancer Genome Atlas ovarian cancer dataset, CHD4 gene amplification was associated with worse overall survival. CHD4 mRNA expression was significantly higher in platinum-resistant samples in a subsequent clinical sample analysis, suggesting that CHD4 overexpression conferred platinum resistance to ovarian cancer cells, resulting in poor patient survival. In concordance with these findings, CHD4 knockdown enhanced the induction of apoptosis mediated by cisplatin in ovarian cancer cells TOV21G and increased cisplatin sensitivity in multiple ovarian cancer cells derived from different subtypes. However, CHD4 knockdown did not affect the expression of RAD51 or p21, the known targets of CHD4 in other cancer types that can modulate platinum sensitivity. Knockdown and overexpression assays revealed that CHD4 positively regulated the expression of multi-drug transporter MDR1 and its coding protein p-glycoprotein. In addition, a first-in-class CHD4/SMARCA5 inhibitor ED2-AD101 showed synergistic interactions with cisplatin. Our findings suggest that CHD4 mediates platinum sensitivity by modulating MDR1 expression in ovarian cancer. Further, CHD4 suppression has a potential to be a novel therapeutic strategy in combination with platinum agents.
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Affiliation(s)
- Yoshiko Oyama
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shogo Shigeta
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hideki Tokunaga
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
- * E-mail:
| | - Keita Tsuji
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masumi Ishibashi
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yusuke Shibuya
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Muneaki Shimada
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Jun Yasuda
- Division of Molecular and Cellular Oncology, Miyagi Cancer Center Research Institute, Natori, Miyagi, Japan
| | - Nobuo Yaegashi
- Department of Obstetrics and Gynecology, Tohoku University Graduate School of Medicine, Sendai, Japan
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13
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Chang CL, Huang CR, Chang SJ, Wu CC, Chen HH, Luo CW, Yip HK. CHD4 as an important mediator in regulating the malignant behaviors of colorectal cancer. Int J Biol Sci 2021; 17:1660-1670. [PMID: 33994851 PMCID: PMC8120460 DOI: 10.7150/ijbs.56976] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/28/2021] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) has ranked first in terms of incidence in Taiwan. Surgical resection combined with chemo-, radio-, or targeted-therapies are the main treatments for CRC patients in current clinical practice. However, many CRC patients still respond poorly to these treatments, leading to tumor recurrence and an unacceptably high incidence of metastasis and death. Therefore, appropriate diagnosis, treatment, and drug selection are pressing issues in clinical practice. The Mi-2/nucleosome remodeling and deacetylase complex is an important epigenetic regulator of chromatin structure and gene expression. An important component of this complex is chromodomain-helicase-DNA-binding protein 4 (CHD4), which is involved in DNA repair after injury. Recent studies have indicated that CHD4 has oncogenic functions that inhibit multiple tumor suppressor genes through epigenetic regulation. However, the role of CHD4 in CRC has not yet been well investigated. In this study, we compared CHD4 expression in CRC patients from The Cancer Genome Atlas database. We found higher levels of CHD4 expression in CRC patients. In a series of in vitro experiments, we found that CHD4 affected cell motility and drug sensitivity in CRC cells. In animal models, the depletion of CHD4 affected CRC tumor growth, and the combination of a histone deacetylase 1 (HDAC1) inhibitor and platinum drugs inhibited CHD4 expression and increased the cytotoxicity of platinum drugs. Moreover, CHD4 expression was also a prognostic biomarker in CRC patients. Based on the above results, we believe that CHD4 expression is a viable biomarker for predicting metastasis CRC patients, and it has the potential to become a target for drug development.
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Affiliation(s)
- Chia-Lo Chang
- Division of Colorectal Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chi-Ruei Huang
- Center for Shockwave Medicine and Tissue Engineering, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.,Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Shu-Jyuan Chang
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Pathology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chun-Chieh Wu
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Hong-Hwa Chen
- Division of Colorectal Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chi-Wen Luo
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Division of Breast Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Hon-Kan Yip
- Center for Shockwave Medicine and Tissue Engineering, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.,Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital Kaohsiung, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Department of Nursing, Asia University Taichung, Taiwan.,Division of Cardiology, Department of Internal Medicine, Xiamen Chang Gung Hospital, Xiamen, Fujian, China
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14
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Hao J, Du X, Lv F, Shi Q. Knockdown of circ_0006528 Suppresses Cell Proliferation, Migration, Invasion, and Adriamycin Chemoresistance via Regulating the miR-1236-3p/CHD4 Axis in Breast Cancer. J Surg Res 2021; 260:104-115. [PMID: 33333383 DOI: 10.1016/j.jss.2020.10.031] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/30/2020] [Accepted: 10/31/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Adriamycin (ADM) is one of the postoperative chemotherapy drugs for breast cancer (BCa) patients. Circular RNAs have been shown to modulate ADM resistance in many cancers. However, it is unclear whether circ_0006528 can modulate the ADM chemoresistance in BCa. METHODS Levels of circ_0006528, microRNA-1236-3p (miR-1236-3p), and chromodomain helicase DNA-binding protein 4 (CHD4) were detected by quantitative real-time polymerase chain reaction or western blot. Cell proliferation, the half maximal inhibitory concentration (IC50) value of ADM, and cell migration and invasion were evaluated by cell counting kit-8 and transwell assays, respectively. The interaction among circ_0006528, miR-1236-3p, and CHD4 was confirmed using dual-luciferase reporter assays. Tumor formation in nude mice was performed to explore the effect of circ_0006528 in vivo. RESULTS Higher levels of circ_0006528 and CHD4 and lower level of miR-1236-3p were found in ADM-resistant BCa tissues and cells, and patients with high circ_0006528 had a shorter overall survival. Circ_0006528 could directly bind to miR-1236-3p, and circ_0006528 knockdown or miR-1236-3p overexpression could suppress cell proliferation, migration, invasion, and ADM resistance in ADM-resistant BCa cells. Moreover, circ_0006528-regulated CHD4 expression by sponging miR-1236-3p, and CHD4 elevation reversed the inhibitory effect of circ_0006528 knockdown on ADM-resistant BCa cells. Consistently, circ_0006528 inhibition retarded ADM-resistant BCa tumor growth in vivo by decreasing CHD4 and increasing miR-1236-3p. CONCLUSIONS Downregulation of circ_0006528 restrained cell proliferation, migration, invasion, and drug resistance of ADM-resistant BCa cells through inhibiting CHD4 and inducing miR-1236-3p.
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MESH Headings
- Animals
- Antibiotics, Antineoplastic/pharmacology
- Antibiotics, Antineoplastic/therapeutic use
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Blotting, Western
- Breast Neoplasms/drug therapy
- Breast Neoplasms/genetics
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Cell Line, Tumor
- Cell Movement/drug effects
- Cell Movement/genetics
- Cell Proliferation/drug effects
- Cell Proliferation/genetics
- Down-Regulation
- Doxorubicin/pharmacology
- Doxorubicin/therapeutic use
- Drug Resistance, Neoplasm/genetics
- Female
- Gene Expression Regulation, Neoplastic
- Gene Knockdown Techniques
- Humans
- Mi-2 Nucleosome Remodeling and Deacetylase Complex/genetics
- Mi-2 Nucleosome Remodeling and Deacetylase Complex/metabolism
- Mice, Nude
- MicroRNAs/metabolism
- Neoplasm Invasiveness/genetics
- Neoplasm Transplantation
- RNA, Circular/metabolism
- Real-Time Polymerase Chain Reaction
- Up-Regulation
- Mice
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Affiliation(s)
- Jie Hao
- Department of Breast Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Xiaoping Du
- Department of Breast Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China.
| | - Fengyan Lv
- Department of Breast Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Qinying Shi
- Department of Breast Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China
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15
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Torres-Martinez Z, Delgado Y, Ferrer-Acosta Y, Suarez-Arroyo IJ, Joaquín-Ovalle FM, Delinois LJ, Griebenow K. Key genes and drug delivery systems to improve the efficiency of chemotherapy. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2021; 4:163-191. [PMID: 34142021 PMCID: PMC8208690 DOI: 10.20517/cdr.2020.64] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cancer cells can develop resistance to anticancer drugs, thereby becoming tolerant to treatment through different mechanisms. The biological mechanisms leading to the generation of anticancer treatment resistance include alterations in transmembrane proteins, DNA damage and repair mechanisms, alterations in target molecules, and genetic responses, among others. The most common anti-cancer drugs reported to develop resistance to cancer cells include cisplatin, doxorubicin, paclitaxel, and fluorouracil. These anticancer drugs have different mechanisms of action, and specific cancer types can be affected by different genes. The development of drug resistance is a cellular response which uses differential gene expression, to enable adaptation and survival of the cell to diverse threatening environmental agents. In this review, we briefly look at the key regulatory genes, their expression, as well as the responses and regulation of cancer cells when exposed to anticancer drugs, along with the incorporation of alternative nanocarriers as treatments to overcome anticancer drug resistance.
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Affiliation(s)
- Zally Torres-Martinez
- Chemistry Department, University of Puerto Rico- Rio Piedras campus, San Juan, PR 00936, USA
| | - Yamixa Delgado
- Biochemistry & Pharmacology Department, San Juan Bautista School of Medicine, Caguas, PR 00726, USA
| | - Yancy Ferrer-Acosta
- Neuroscience Department, Universidad Central del Caribe, Bayamon, PR 00956, USA
| | | | - Freisa M Joaquín-Ovalle
- Chemistry Department, University of Puerto Rico- Rio Piedras campus, San Juan, PR 00936, USA
| | - Louis J Delinois
- Chemistry Department, University of Puerto Rico- Rio Piedras campus, San Juan, PR 00936, USA
| | - Kai Griebenow
- Chemistry Department, University of Puerto Rico- Rio Piedras campus, San Juan, PR 00936, USA
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16
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High Expression of VSTM2L Induced Resistance to Chemoradiotherapy in Rectal Cancer through Downstream IL-4 Signaling. J Immunol Res 2021; 2021:6657012. [PMID: 33506057 PMCID: PMC7811563 DOI: 10.1155/2021/6657012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/16/2020] [Accepted: 12/26/2020] [Indexed: 12/12/2022] Open
Abstract
Background Preoperative chemoradiotherapy (pCRT) is a common and essential therapeutic strategy for patients with locally advanced rectal cancer (LARC), but poor tumor response and therapeutic resistance to chemoradiotherapy have appeared usually among persons and affected those patients' survival prognosis. The resistance to chemoradiotherapy in rectal cancer is difficult to predict. This study was aimed at evaluating the role of V-set and transmembrane domain containing 2 like protein (VSTM2L) in resistance to chemoradiotherapy in rectal cancer. Methods Analysis of the GEO profiling datasets of rectal cancer patients receiving pCRT disclosed that VSTM2L as a candidate gene was significantly upregulated in nonresponders of rectal cancer with pCRT. The mRNA and protein expression of VSTM2L was detected by quantitate real-time PCR, western blotting, and immunohistochemistry in six rectal cancer biopsy tissues before pCRT. Furthermore, the rectal cancer patient-derived organoids were cultured to evaluate the association of VSTM2L expression and tumor response to CRT. Overexpression of VSTM2L in cancer cells treated with CRT was analyzed for the function of cell proliferation and viability, clone formation, DNA damage repair, and apoptosis ability. The GSEA and RNA-sequence analysis were used to find the downstream mechanism of VSTM2L overexpression in cells treated with CRT. Results The mRNA levels of VSTM2L were significantly downregulated in normal rectal tissues compared to tumor tissues and were upregulated in nonresponders of rectal cancer patients receiving pCRT and positively correlated with poor survival prognosis from GEO datasets. High expression of VSTM2L was significantly associated with tumor regression after pCRT (P = 0.030). Moreover, high expression of VSTM2L reduced γ-H2AX expression in rectal cancer patient-derived organoids treated with CRT. The overexpression of VSTM2L in colorectal cancer cells induced resistance to CRT via promoting cell proliferation and inhibiting apoptosis. The molecular mechanism revealed that the overexpression of VSTM2L induced resistance to CRT through downstream IL-4 signaling affecting the progress of cell proliferation and apoptosis. Conclusion The high expression of VSTM2L induced resistance to CRT, and adverse survival outcomes served as a prognostic factor in patients with rectal cancer receiving pCRT, suggesting that VSTM2L high expression may be a potential resistant predictable biomarker for LARC patients receiving pCRT.
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17
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CHD4 Predicts Aggressiveness in PTC Patients and Promotes Cancer Stemness and EMT in PTC Cells. Int J Mol Sci 2021; 22:ijms22020504. [PMID: 33419089 PMCID: PMC7825451 DOI: 10.3390/ijms22020504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/31/2020] [Accepted: 01/01/2021] [Indexed: 12/31/2022] Open
Abstract
Chromodomain-helicase-DNA-binding protein 4 (CHD4), a core subunit of the nucleosome remodeling and deacetylation (NuRD) complex is highly expressed in several cancers. However, its role in the pathogenesis and progression of papillary thyroid carcinoma (PTC) has not been investigated. We investigated the prognostic significance of CHD4 in a large cohort of Middle Eastern PTC patients and explored the functional role of CHD4 in regulating cancer stemness and EMT in PTC cells. CHD4 overexpression was observed in 45.3% (650/1436) of PTCs, and was associated with aggressive clinico-pathological parameters and worse outcome. Functional analysis using PTC cell lines showed that forced expression of CHD4 promoted cell proliferation, spheroid growth, migration, invasion and progression of epithelial to mesenchymal transition (EMT) in PTC cells whereas its knockdown reversed the effect. Methylation of E-cadherin was associated with loss of expression in CHD4 expressing cells, while CHD4 depletion reactivated E-cadherin expression. Most importantly, knockdown of mesenchymal transcriptional factors, Snail1 or Zeb1, attenuated the spheroid growth in CHD4 expressing PTC cells, showing a potential link between EMT activation and stemness maintenance in PTC. These findings suggest that CHD4 might be a promising therapeutic target in the treatment of patients with an aggressive subtype of PTC.
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18
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He L, Chang H, Qi Y, Zhang B, Shao Q. ceRNA Networks: The Backbone Role in Neoadjuvant Chemoradiotherapy Resistance/Sensitivity of Locally Advanced Rectal Cancer. Technol Cancer Res Treat 2021; 20:15330338211062313. [PMID: 34908512 PMCID: PMC8689620 DOI: 10.1177/15330338211062313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/21/2021] [Accepted: 11/02/2021] [Indexed: 11/30/2022] Open
Abstract
Approximately 40% of rectal cancers during initial diagnosis are identified as locally advanced rectal cancers (LARCs), for which the standardized treatment scenario is total mesorectal excision following neoadjuvant chemoradiotherapy (nCRT). nCRT can lead to discernible reductions in local relapse rate and distant metastasis rate in LARC patients, in whom previously inoperable tumors may potentially be surgically removed. However, only 4% to 20% cases can attain pathological complete response, and the remaining patients who are unresponsive to nCRT have to suffer from the side effects plus toxicities and may encounter poor survival outcomes due to the late surgical intervention. As such, employing potential biomarkers to differentiate responders from nonresponders before nCRT implementation appears to be the overarching goal. Well-defined competing endogenous RNA (ceRNA) networks include long noncoding RNA (lncRNA)-microRNA (miRNA)-mRNA and circRNA-miRNA-mRNA networks. As ceRNAs, lncRNAs, and circRNAs sponge miRNAs to indirectly suppress miRNAs downstream of oncogenic mRNAs or tumor-suppressive mRNAs. The abnormal expression of mRNAs regulates the nCRT-induced DNA damage repair process through pluralistic carcinogenic signaling pathways, thereby bringing about alterations in the nCRT resistance/sensitivity of tumors. Moreover, many molecular mechanisms relevant to cell proliferation, metastasis, or apoptosis of cancers (eg, epithelial-mesenchymal transition and caspase-9-caspase-3 pathway) are influenced by ceRNA networks. Herein, we reviewed a large group of abnormally expressed mRNAs and noncoding RNAs that are associated with nCRT resistance/sensitivity in LARC patients and ultimately pinpointed the backbone role of ceRNA networks in the molecular mechanisms of nCRT resistance/sensitivity.
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Affiliation(s)
- Lin He
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau, SAR, China
| | - Hao Chang
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Yuhong Qi
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Bing Zhang
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Qiuju Shao
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
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19
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Meng J, Su R, Liao Y, Li Y, Li L. Identification of 10 Hub genes related to the progression of colorectal cancer by co-expression analysis. PeerJ 2020; 8:e9633. [PMID: 33240582 PMCID: PMC7664468 DOI: 10.7717/peerj.9633] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/09/2020] [Indexed: 12/11/2022] Open
Abstract
Background Colorectal cancer (CRC) is the third most common cancer in the world. The present study is aimed at identifying hub genes associated with the progression of CRC. Method The data of the patients with CRC were obtained from the Gene Expression Omnibus (GEO) database and assessed by weighted gene co-expression network analysis (WGCNA), Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses performed in R by WGCNA, several hub genes that regulate the mechanism of tumorigenesis in CRC were identified. Differentially expressed genes in the data sets GSE28000 and GSE42284 were used to construct a co-expression network for WGCNA. The yellow, black and blue modules associated with CRC level were filtered. Combining the co-expression network and the PPI network, 15 candidate hub genes were screened. Results After validation using the TCGA-COAD dataset, a total of 10 hub genes (MT1X, MT1G, MT2A, CXCL8, IL1B, CXCL5, CXCL11, IL10RA, GZMB, KIT) closely related to the progression of CRC were identified. The expressions of MT1G, CXCL8, IL1B, CXCL5, CXCL11 and GZMB in CRC tissues were higher than normal tissues (p-value < 0.05). The expressions of MT1X, MT2A, IL10RA and KIT in CRC tissues were lower than normal tissues (p-value < 0.05). Conclusions By combinating with a series of methods including GO enrichment analysis, KEGG pathway analysis, PPI network analysis and gene co-expression network analysis, we identified 10 hub genes that were associated with the progression of CRC.
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Affiliation(s)
- Jie Meng
- Department of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Department of Pharmacy, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Rui Su
- Department of Pharmacy, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yun Liao
- Department of Pharmacy, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yanyan Li
- Department of Pharmacy, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ling Li
- Department of Pharmacy, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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20
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Tan Y, Shao R, Li J, Huang H, Wang Y, Zhang M, Cao J, Zhang J, Bu J. PITPNC1 fuels radioresistance of rectal cancer by inhibiting reactive oxygen species production. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:126. [PMID: 32175419 DOI: 10.21037/atm.2020.02.37] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background Neoadjuvant radiotherapy is a commonly used method for the current standard-of-care for most patients with rectal cancer, when the effects of radioresistance are limited. The phosphatidylinositol transfer protein, cytoplasmic 1 (PITPNC1), a lipid-metabolism-related gene, has previously been proved to manifest pro-cancer effects in multiple types of cancer. However, whether PITPNC1 plays a role for developing radioresistance in rectal cancer patients is still unknown. Therefore, this study aims to investigate the role of PITPNC1 in rectal cancer radioresistance. Methods Patient-derived tissue were used to detect the difference in the expression level of PITPNC1 between radioresistant and radiosensitive patients. Bioinformatic analyses of high-throughput gene expression data were applied to uncover the correlations between PITPNC1 level and oxidative stress. Two rectal cancer cell lines, SW620, and HCT116, were selected in vitro to investigate the effect of PITPNC1 on radioresistance, reactive oxygen species (ROS) generation, apoptosis, and proliferation in rectal cancer. Results PITPNC1 is highly expressed in radioresistant patient-derived rectal cancer tissues compared to radiosensitive tissue; therefore, PITPNC1 inhibits the generation of ROS and improves the extent of radioresistance of rectal cancer cell lines and then inhibits apoptosis. Knocking down PITPNC1 facilitates the production of ROS while application of the ROS scavenger, N-acetyl-L-cysteine (NAC), could reverse this effect. Conclusions PITPNC1 fuels radioresistance of rectal cancer via the inhibition of ROS generation.
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Affiliation(s)
- Yujing Tan
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Ruoyang Shao
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jingyu Li
- Department of Pathology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Hongyun Huang
- Department of Abdominal Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yanru Wang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Menglan Zhang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jianyun Cao
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junde Zhang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junguo Bu
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
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21
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Huang A, Xiao Y, Peng C, Liu T, Lin Z, Yang Q, Zhang T, Liu J, Ma H. 53BP1 expression and immunoscore are associated with the efficacy of neoadjuvant chemoradiotherapy for rectal cancer. Strahlenther Onkol 2019; 196:465-473. [PMID: 31828392 DOI: 10.1007/s00066-019-01559-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 11/21/2019] [Indexed: 12/13/2022]
Abstract
PURPOSE Considering the effects of P53 binding protein 1 (53BP1) expression and T lymphocyte infiltration density on tumor radiosensitivity, we investigated the relation of 53BP1 expression and immunoscore based on T lymphocyte infiltration density with the efficacy of neoadjuvant chemoradiotherapy (CRT) for rectal cancer. METHODS Fifty-five patients with rectal cancer receiving neoadjuvant CRT followed by surgery were enrolled. The 53BP1 expression level and the density of CD3+, CD8+, and CD45RO+ T lymphocytes in the tumor tissues were examined by immunohistochemistry, and the relation of these findings to the rates of tumor regression, disease-free survival (DFS), and overall survival (OS) was analyzed. RESULTS The levels of 53BP1 and the CD3/CD8 immunoscore were closely correlated with the response to CRT (p < 0.05), with an area under the receiver operating characteristic curve for CRT efficacy prediction of 0.626 and 0.717, respectively. Further survival analysis revealed that high 53BP1 expression effectively prolonged 2‑year DFS compared with low 53BP1 expression (87.5% [95%CI 77.3-97.7] vs. 53.3% [95%CI 28.1-78.6]; p < 0.05), while the effect of immunoscore on survival was restricted by the expression status of 53BP1. Cox multivariate analysis confirmed 53BP1 as an independent prognostic factor in DFS. CONCLUSION The pretreatment levels of 53BP1 and the immunoscore based on CD3+/CD8+ T cell infiltration density in tumor tissues are effective predictors for the CRT response, and 53BP1 has a more pronounced impact on prognosis.
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Affiliation(s)
- Ai Huang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Yong Xiao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Chunfen Peng
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Tao Liu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Zhenyu Lin
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Qin Yang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Tao Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Jun Liu
- School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore, Singapore
| | - Hong Ma
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China.
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22
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Hasan N, Ahuja N. The Emerging Roles of ATP-Dependent Chromatin Remodeling Complexes in Pancreatic Cancer. Cancers (Basel) 2019; 11:E1859. [PMID: 31769422 PMCID: PMC6966483 DOI: 10.3390/cancers11121859] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 02/08/2023] Open
Abstract
Pancreatic cancer is an aggressive cancer with low survival rates. Genetic and epigenetic dysregulation has been associated with the initiation and progression of pancreatic tumors. Multiple studies have pointed to the involvement of aberrant chromatin modifications in driving tumor behavior. ATP-dependent chromatin remodeling complexes regulate chromatin structure and have critical roles in stem cell maintenance, development, and cancer. Frequent mutations and chromosomal aberrations in the genes associated with subunits of the ATP-dependent chromatin remodeling complexes have been detected in different cancer types. In this review, we summarize the current literature on the genomic alterations and mechanistic studies of the ATP-dependent chromatin remodeling complexes in pancreatic cancer. Our review is focused on the four main subfamilies: SWItch/sucrose non-fermentable (SWI/SNF), imitation SWI (ISWI), chromodomain-helicase DNA-binding protein (CHD), and INOsitol-requiring mutant 80 (INO80). Finally, we discuss potential novel treatment options that use small molecules to target these complexes.
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Affiliation(s)
| | - Nita Ahuja
- Department of Surgery, Yale University School of Medicine, New Haven, CT 06520, USA;
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