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Gallardo A, López-Onieva L, Belmonte-Reche E, Fernández-Rengel I, Serrano-Prados A, Molina A, Sánchez-Pozo A, Landeira D. EZH2 represses mesenchymal genes and upholds the epithelial state of breast carcinoma cells. Cell Death Dis 2024; 15:609. [PMID: 39174513 PMCID: PMC11341823 DOI: 10.1038/s41419-024-07011-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 08/07/2024] [Accepted: 08/16/2024] [Indexed: 08/24/2024]
Abstract
Emerging studies support that the polycomb repressive complex 2 (PRC2) regulates phenotypic changes of carcinoma cells by modulating their shifts among metastable states within the epithelial and mesenchymal spectrum. This new role of PRC2 in cancer has been recently proposed to stem from the ability of its catalytic subunit EZH2 to bind and modulate the transcription of mesenchymal genes during epithelial-mesenchymal transition (EMT) in lung cancer cells. Here, we asked whether this mechanism is conserved in other types of carcinomas. By combining TGF-β-mediated reversible induction of epithelial to mesenchymal transition and inhibition of EZH2 methyltransferase activity, we demonstrate that EZH2 represses a large set of mesenchymal genes and favours the residence of breast cancer cells towards the more epithelial spectrum during EMT. In agreement, analysis of human patient samples supports that EZH2 is required to efficiently repress mesenchymal genes in breast cancer tumours. Our results indicate that PRC2 operates through similar mechanisms in breast and lung cancer cells. We propose that PRC2-mediated direct transcriptional modulation of the mesenchymal gene expression programme is a conserved molecular mechanism underlying cell dissemination across human carcinomas.
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Affiliation(s)
- Amador Gallardo
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
| | - Lourdes López-Onieva
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
- Department of Biochemistry and Molecular Biology I, Faculty of Science, University of Granada, Granada, Spain
| | - Efres Belmonte-Reche
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
| | - Iván Fernández-Rengel
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
| | - Andrea Serrano-Prados
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
| | - Aldara Molina
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
| | - Antonio Sánchez-Pozo
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain
| | - David Landeira
- Centre for Genomics and Oncological Research (GENYO), Avenida de la Ilustración 114, 18016, Granada, Spain.
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, Granada, Spain.
- Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Virgen de las Nieves, Granada, Spain.
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2
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Long L, Zhang H, Zhou Z, Duan L, Fan D, Wang R, Xu S, Qiao D, Zhu W. Pyrrole-containing hybrids as potential anticancer agents: An insight into current developments and structure-activity relationships. Eur J Med Chem 2024; 273:116470. [PMID: 38762915 DOI: 10.1016/j.ejmech.2024.116470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/21/2024]
Abstract
Cancer poses a significant threat to human health. Therefore, it is urgent to develop potent anti-cancer drugs with excellent inhibitory activity and no toxic side effects. Pyrrole and its derivatives are privileged heterocyclic compounds with significant diverse pharmacological effects. These compounds can target various aspects of cancer cells and have been applied in clinical settings or are undergoing clinical trials. As a result, pyrrole has emerged as a promising drug scaffold and has been further probed to get novel entities for the treatment of cancer. This article reviews recent research progress on anti-cancer drugs containing pyrrole. It focuses on the mechanism of action, biological activity, and structure-activity relationships of pyrrole derivatives, aiming to assist in designing and synthesizing innovative pyrrole-based anti-cancer compounds.
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Affiliation(s)
- Li Long
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China
| | - Han Zhang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China
| | - ZhiHui Zhou
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China
| | - Lei Duan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China
| | - Dang Fan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China
| | - Ran Wang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China
| | - Shan Xu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China.
| | - Dan Qiao
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China.
| | - Wufu Zhu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, 605 Fenglin Road, Nanchang, Jiangxi, 330013, China.
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3
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Aziz N, Hong YH, Kim HG, Kim JH, Cho JY. Tumor-suppressive functions of protein lysine methyltransferases. Exp Mol Med 2023; 55:2475-2497. [PMID: 38036730 PMCID: PMC10766653 DOI: 10.1038/s12276-023-01117-7] [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: 04/24/2023] [Revised: 08/30/2023] [Accepted: 09/05/2023] [Indexed: 12/02/2023] Open
Abstract
Protein lysine methyltransferases (PKMTs) play crucial roles in histone and nonhistone modifications, and their dysregulation has been linked to the development and progression of cancer. While the majority of studies have focused on the oncogenic functions of PKMTs, extensive evidence has indicated that these enzymes also play roles in tumor suppression by regulating the stability of p53 and β-catenin, promoting α-tubulin-mediated genomic stability, and regulating the transcription of oncogenes and tumor suppressors. Despite their contradictory roles in tumorigenesis, many PKMTs have been identified as potential therapeutic targets for cancer treatment. However, PKMT inhibitors may have unintended negative effects depending on the specific cancer type and target enzyme. Therefore, this review aims to comprehensively summarize the tumor-suppressive effects of PKMTs and to provide new insights into the development of anticancer drugs targeting PKMTs.
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Affiliation(s)
- Nur Aziz
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Yo Han Hong
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Han Gyung Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Ji Hye Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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4
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Liu X, Tian F, Cui J, Gong L, Xiang L, Fan B, Liu S, Zhan J, Zhou Y, Jiang B, Wang M, Sun G, Gong Y, Zou Y. CUL4B functions as a tumor suppressor in KRAS-driven lung tumors by inhibiting the recruitment of myeloid-derived suppressor cells. Oncogene 2023; 42:3113-3126. [PMID: 37653114 DOI: 10.1038/s41388-023-02824-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/02/2023]
Abstract
Lung cancer is the leading cause of cancer-related death worldwide. KRAS mutations are the most common oncogenic alterations found in lung cancer. Unfortunately, treating KRAS-mutant lung adenocarcinoma (ADC) remains a major oncotherapeutic challenge. Here, we used both autochthonous and transplantable KRAS-mutant tumor models to investigate the role of tumor-derived CUL4B in KRAS-driven lung cancers. We showed that knockout or knockdown of CUL4B promotes lung ADC growth and progression in both models. Mechanistically, CUL4B directly binds to the promoter of Cxcl2 and epigenetically represses its transcription. CUL4B deletion increases the expression of CXCL2, which binds to CXCR2 on myeloid-derived suppressor cells (MDSCs) and promotes their migration to the tumor microenvironment. Targeting of MDSCs significantly delayed the growth of CUL4B knockdown KRAS-mutant tumors. Collectively, our study provides mechanistic insights into the novel tumor suppressor-like functions of CUL4B in regulating KRAS-driven lung tumor development.
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Affiliation(s)
- Xiaochen Liu
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Department of Clinical Laboratory, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Fei Tian
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Jianfeng Cui
- Department of Urology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Li Gong
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Lu Xiang
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Bowen Fan
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Shuangteng Liu
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Jiafeng Zhan
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Yadi Zhou
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Baichun Jiang
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Molin Wang
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Gongping Sun
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Yaoqin Gong
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.
| | - Yongxin Zou
- The Key Laboratory of Experimental Teratology, Ministry of Education and Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.
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5
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Tsai YS, Chareddy YS, Price BA, Parker JS, Pecot CV. An integrated model for predicting KRAS dependency. PLoS Comput Biol 2023; 19:e1011095. [PMID: 37141389 DOI: 10.1371/journal.pcbi.1011095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 05/16/2023] [Accepted: 04/10/2023] [Indexed: 05/06/2023] Open
Abstract
The clinical approvals of KRAS G12C inhibitors have been a revolutionary advance in precision oncology, but response rates are often modest. To improve patient selection, we developed an integrated model to predict KRAS dependency. By integrating molecular profiles of a large panel of cell lines from the DEMETER2 dataset, we built a binary classifier to predict a tumor's KRAS dependency. Monte Carlo cross validation via ElasticNet within the training set was used to compare model performance and to tune parameters α and λ. The final model was then applied to the validation set. We validated the model with genetic depletion assays and an external dataset of lung cancer cells treated with a G12C inhibitor. We then applied the model to several Cancer Genome Atlas (TCGA) datasets. The final "K20" model contains 20 features, including expression of 19 genes and KRAS mutation status. In the validation cohort, K20 had an AUC of 0.94 and accurately predicted KRAS dependency in both mutant and KRAS wild-type cell lines following genetic depletion. It was also highly predictive across an external dataset of lung cancer lines treated with KRAS G12C inhibition. When applied to TCGA datasets, specific subpopulations such as the invasive subtype in colorectal cancer and copy number high pancreatic adenocarcinoma were predicted to have higher KRAS dependency. The K20 model has simple yet robust predictive capabilities that may provide a useful tool to select patients with KRAS mutant tumors that are most likely to respond to direct KRAS inhibitors.
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Affiliation(s)
- Yihsuan S Tsai
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Yogitha S Chareddy
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Brandon A Price
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Joel S Parker
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Chad V Pecot
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Division of Hematology & Oncology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
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6
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Entezari M, Taheriazam A, Paskeh MDA, Sabouni E, Zandieh MA, Aboutalebi M, Kakavand A, Rezaei S, Hejazi ES, Saebfar H, Salimimoghadam S, Mirzaei S, Hashemi M, Samarghandian S. The pharmacological and biological importance of EZH2 signaling in lung cancer. Biomed Pharmacother 2023; 160:114313. [PMID: 36738498 DOI: 10.1016/j.biopha.2023.114313] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 02/05/2023] Open
Abstract
Up to 18% of cancer-related deaths worldwide are attributed to lung tumor and global burden of this type of cancer is ascending. Different factors are responsible for development of lung cancer such as smoking, environmental factors and genetic mutations. EZH2 is a vital protein with catalytic activity and belongs to PCR2 family. EZH2 has been implicated in regulating gene expression by binding to promoter of targets. The importance of EZH2 in lung cancer is discussed in current manuscript. Activation of EZH2 significantly elevates the proliferation rate of lung cancer. Furthermore, metastasis and associated molecular mechanisms including EMT undergo activation by EZH2 in enhancing the lung cancer progression. The response of lung cancer to therapy can be significantly diminished due to EZH2 upregulation. Since EZH2 increases tumor progression, anti-cancer agents suppressing its expression reduce malignancy. In spite of significant effort in understanding modulatory function of EZH2 on other pathways, it appears that EZH2 can be also regulated and controlled by other factors that are described in current review. Therefore, translating current findings to clinic can improve treatment and management of lung cancer patients.
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Affiliation(s)
- Maliheh Entezari
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mahshid Deldar Abad Paskeh
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Eisa Sabouni
- Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Mohammad Arad Zandieh
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Maryam Aboutalebi
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Amirabbas Kakavand
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Shamin Rezaei
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Elahe Sadat Hejazi
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Hamidreza Saebfar
- European University Association, League of European Research Universities, university of milan, Italy
| | - Shokooh Salimimoghadam
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Sepideh Mirzaei
- Department of Biology, Faculty of Science, Islamic Azad University, Science and Research Branch, Tehran, Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Saeed Samarghandian
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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7
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Rajasegaran T, How CW, Saud A, Ali A, Lim JCW. Targeting Inflammation in Non-Small Cell Lung Cancer through Drug Repurposing. Pharmaceuticals (Basel) 2023; 16:ph16030451. [PMID: 36986550 PMCID: PMC10051080 DOI: 10.3390/ph16030451] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023] Open
Abstract
Lung cancer is the most common cause of cancer-related deaths. Lung cancers can be classified as small-cell (SCLC) or non-small cell (NSCLC). About 84% of all lung cancers are NSCLC and about 16% are SCLC. For the past few years, there have been a lot of new advances in the management of NSCLC in terms of screening, diagnosis and treatment. Unfortunately, most of the NSCLCs are resistant to current treatments and eventually progress to advanced stages. In this perspective, we discuss some of the drugs that can be repurposed to specifically target the inflammatory pathway of NSCLC utilizing its well-defined inflammatory tumor microenvironment. Continuous inflammatory conditions are responsible to induce DNA damage and enhance cell division rate in lung tissues. There are existing anti-inflammatory drugs which were found suitable for repurposing in non-small cell lung carcinoma (NSCLC) treatment and drug modification for delivery via inhalation. Repurposing anti-inflammatory drugs and their delivery through the airway is a promising strategy to treat NSCLC. In this review, suitable drug candidates that can be repurposed to treat inflammation-mediated NSCLC will be comprehensively discussed together with their administration via inhalation from physico-chemical and nanocarrier perspectives.
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Affiliation(s)
- Thiviyadarshini Rajasegaran
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Chee Wun How
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya 47500, Selangor, Malaysia
| | - Anoosha Saud
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Azhar Ali
- Cancer Science Institute Singapore, National University of Singapore, Singapore 117599, Singapore
| | - Jonathan Chee Woei Lim
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Correspondence:
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8
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Chen F, Byrd AL, Liu J, Flight RM, DuCote TJ, Naughton KJ, Song X, Edgin AR, Lukyanchuk A, Dixon DT, Gosser CM, Esoe DP, Jayswal RD, Orkin SH, Moseley HNB, Wang C, Brainson CF. Polycomb deficiency drives a FOXP2-high aggressive state targetable by epigenetic inhibitors. Nat Commun 2023; 14:336. [PMID: 36670102 PMCID: PMC9859827 DOI: 10.1038/s41467-023-35784-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 01/02/2023] [Indexed: 01/22/2023] Open
Abstract
Inhibitors of the Polycomb Repressive Complex 2 (PRC2) histone methyltransferase EZH2 are approved for certain cancers, but realizing their wider utility relies upon understanding PRC2 biology in each cancer system. Using a genetic model to delete Ezh2 in KRAS-driven lung adenocarcinomas, we observed that Ezh2 haplo-insufficient tumors were less lethal and lower grade than Ezh2 fully-insufficient tumors, which were poorly differentiated and metastatic. Using three-dimensional cultures and in vivo experiments, we determined that EZH2-deficient tumors were vulnerable to H3K27 demethylase or BET inhibitors. PRC2 loss/inhibition led to de-repression of FOXP2, a transcription factor that promotes migration and stemness, and FOXP2 could be suppressed by BET inhibition. Poorly differentiated human lung cancers were enriched for an H3K27me3-low state, representing a subtype that may benefit from BET inhibition as a single therapy or combined with additional EZH2 inhibition. These data highlight diverse roles of PRC2 in KRAS-driven lung adenocarcinomas, and demonstrate the utility of three-dimensional cultures for exploring epigenetic drug sensitivities for cancer.
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Affiliation(s)
- Fan Chen
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
- Department of Medical Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University, 510060, Guangzhou, P. R. China
| | - Aria L Byrd
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Jinpeng Liu
- Department of Internal Medicine, University of Kentucky, Lexington, KY, 40536, USA
| | - Robert M Flight
- Department of Molecular & Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA
- Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
| | - Tanner J DuCote
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Kassandra J Naughton
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Xiulong Song
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Abigail R Edgin
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Alexsandr Lukyanchuk
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Danielle T Dixon
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Christian M Gosser
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Dave-Preston Esoe
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA
| | - Rani D Jayswal
- Markey Cancer Center Biostatistics and Bioinformatics Shared Resource Facility, Lexington, KY, 40536, USA
| | - Stuart H Orkin
- Department of Hematology/Oncology, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Hunter N B Moseley
- Department of Molecular & Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA
- Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
| | - Chi Wang
- Department of Internal Medicine, University of Kentucky, Lexington, KY, 40536, USA
- Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
| | - Christine Fillmore Brainson
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY, 40536, USA.
- Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA.
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9
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Chemical biology and pharmacology of histone lysine methylation inhibitors. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2022; 1865:194840. [PMID: 35753676 DOI: 10.1016/j.bbagrm.2022.194840] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/13/2022] [Accepted: 06/15/2022] [Indexed: 12/20/2022]
Abstract
Histone lysine methylation is a post-translational modification that plays a key role in the epigenetic regulation of a broad spectrum of biological processes. Moreover, the dysregulation of histone lysine methyltransferases (KMTs) has been implicated in the pathogenesis of several diseases particularly cancer. Due to their pathobiological importance, KMTs have garnered immense attention over the last decade as attractive therapeutic targets. These endeavors have culminated in tens of chemical probes that have been used to interrogate many aspects of histone lysine methylation. Besides, over a dozen inhibitors have been advanced to clinical trials, including the EZH2 inhibitor tazemetostat approved for the treatment of follicular lymphoma and advanced epithelioid sarcoma. In this Review, we highlight the chemical biology and pharmacology of KMT inhibitors and targeted protein degraders focusing on the clinical development of EZH1/2, DOT1L, Menin-MLL, and WDR5-MLL inhibitors. We also briefly discuss the pharmacologic targeting of other KMTs.
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10
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Shin DS, Park K, Garon E, Dubinett S. Targeting EZH2 to overcome the resistance to immunotherapy in lung cancer. Semin Oncol 2022; 49:S0093-7754(22)00045-8. [PMID: 35851153 DOI: 10.1053/j.seminoncol.2022.06.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 06/08/2022] [Accepted: 06/11/2022] [Indexed: 12/22/2022]
Abstract
Unleashing the immune system to fight cancer has been a major breakthrough in cancer therapeutics since 2014 when anti-PD-1 antibodies (pembrolizumab and nivolumab) were approved for patients with metastatic melanoma. Therapeutic indications have rapidly expanded for many types of advanced cancer, including lung cancer. A variety of antibodies targeting the PD-1/PD-L1 checkpoint are contributing to this paradigm shift. The field now confronts two salient challenges: first, to improve the therapeutic outcome given the low response rate across the histologies; second, to identify biomarkers for improved patient selection. Pre-clinical and clinical studies are underway to evaluate combinatorial treatments to improve the therapeutic outcome paired with correlative studies to identify the factors associated with response and resistance. One of the emerging strategies is to combine epigenetic modifiers with immune checkpoint blockade (ICB) based on the evidence that targeting epigenetic elements can enhance anti-tumor immunity by reshaping the tumor microenvironment (TME). We will briefly review pleotropic biological functions of enhancer of zeste homolog 2 (EZH2), the enzymatic subunit of polycomb repressive complex 2 (PRC2), clinical developments of oral EZH2 inhibitors, and potentially promising approaches to combine EZH2 inhibitors and PD-1 blockade for patients with advanced solid tumors, focusing on lung cancer.
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Affiliation(s)
- Daniel Sanghoon Shin
- Department of Medicine, Division of Hematology/Oncology, University of California Los Angeles, Los Angeles, CA, USA; VA Greater Los Angeles Healthcare System, Division of Hematology/Oncology, CA, USA; Member of Molecular Biology Institute, UCLA, CA, USA; Member of Jonsson Comprehensive Cancer Center, UCLA, CA, USA.
| | - Kevin Park
- Department of Medicine, Division of Hematology/Oncology, University of California Los Angeles, Los Angeles, CA, USA
| | - Edward Garon
- Department of Medicine, Division of Hematology/Oncology, University of California Los Angeles, Los Angeles, CA, USA; Member of Jonsson Comprehensive Cancer Center, UCLA, CA, USA
| | - Steven Dubinett
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of California Los Angeles, Los Angeles, CA, USA; Departments of Pathology, Laboratory Medicine, University of California Los Angeles, Los Angeles, CA, USA; Department of Molecular and Medical Pharmacology University of California Los Angeles, CA, USA; VA Greater Los Angeles Healthcare System, Division of Hematology/Oncology, CA, USA; Member of Molecular Biology Institute, UCLA, CA, USA; Member of Jonsson Comprehensive Cancer Center, UCLA, CA, USA
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11
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EZH2 endorses cell plasticity to non-small cell lung cancer cells facilitating mesenchymal to epithelial transition and tumour colonization. Oncogene 2022; 41:3611-3624. [PMID: 35680984 DOI: 10.1038/s41388-022-02375-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 05/25/2022] [Accepted: 05/31/2022] [Indexed: 11/08/2022]
Abstract
Reversible transition between the epithelial and mesenchymal states are key aspects of carcinoma cell dissemination and the metastatic disease, and thus, characterizing the molecular basis of the epithelial to mesenchymal transition (EMT) is crucial to find druggable targets and more effective therapeutic approaches in cancer. Emerging studies suggest that epigenetic regulators might endorse cancer cells with the cell plasticity required to conduct dynamic changes in cell state during EMT. However, epigenetic mechanisms involved remain mostly unknown. Polycomb Repressive Complexes (PRCs) proteins are well-established epigenetic regulators of development and stem cell differentiation, but their role in different cancer systems is inconsistent and sometimes paradoxical. In this study, we have analysed the role of the PRC2 protein EZH2 in lung carcinoma cells. We found that besides its described role in CDKN2A-dependent cell proliferation, EZH2 upholds the epithelial state of cancer cells by repressing the transcription of hundreds of mesenchymal genes. Chemical inhibition or genetic removal of EZH2 promotes the residence of cancer cells in the mesenchymal state during reversible epithelial-mesenchymal transition. In fitting, analysis of human patient samples and tumour xenograft models indicate that EZH2 is required to efficiently repress mesenchymal genes and facilitate tumour colonization in vivo. Overall, this study discloses a novel role of PRC2 as a master regulator of EMT in carcinoma cells. This finding has important implications for the design of therapies based on EZH2 inhibitors in human cancer patients.
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12
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Zhang L, Wang L, Hu X, Hou M, Xiao Y, Xiang J, Xie J, Chen Z, Yang T, Nie Q, Fu J, Wang Y, Zheng S, Liu Y, Gan Y, Gao Q, Bai Y, Wang J, Qi R, Zou M, Ke Q, Zhu X, Gong L, Liu Y, Li DW. MYPT1/PP1-Mediated EZH2 Dephosphorylation at S21 Promotes Epithelial-Mesenchymal Transition in Fibrosis through Control of Multiple Families of Genes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105539. [PMID: 35293697 PMCID: PMC9108659 DOI: 10.1002/advs.202105539] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/24/2022] [Indexed: 05/25/2023]
Abstract
The methyltransferase EZH2 plays an important role in regulating chromatin conformation and gene transcription. Phosphorylation of EZH2 at S21 by AKT kinase suppresses its function. However, protein phosphatases responsible for the dephosphorylation of EZH2-S21 remain elusive. Here, it is demonstrated that EZH2 is highly expressed in the ocular lens, and AKT-EZH2 axis is important in TGFβ-induced epithelial-mesenchymal transition (EMT). More importantly, it is identified that MYPT1/PP1 dephosphorylates EZH2-S21 and thus modulates its functions. MYPT1 knockout accelerates EMT, but expression of the EZH2-S21A mutant suppresses EMT through control of multiple families of genes. Furthermore, the phosphorylation status and gene expression modulation of EZH2 are implicated in control of anterior subcapsular cataracts (ASC) in human and mouse eyes. Together, the results identify the specific phosphatase for EZH2-S21 and reveal EZH2 dephosphorylation control of several families of genes implicated in lens EMT and ASC pathogenesis. These results provide important novel information in EZH2 function and regulation.
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Affiliation(s)
- Lan Zhang
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Ling Wang
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Xue‐Bin Hu
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Min Hou
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Yuan Xiao
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Jia‐Wen Xiang
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Jie Xie
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Zhi‐Gang Chen
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Tian‐Heng Yang
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Qian Nie
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Jia‐Ling Fu
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Yan Wang
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Shu‐Yu Zheng
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Yun‐Fei Liu
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Yu‐Wen Gan
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Qian Gao
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Yue‐Yue Bai
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Jing‐Miao Wang
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Rui‐Li Qi
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Ming Zou
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Qin Ke
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Xing‐Fei Zhu
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Lili Gong
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - Yizhi Liu
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
| | - David Wan‐Cheng Li
- The State Key Laboratory of OphthalmologyZhongshan Ophthalmic CenterSun Yat‐sen University#54 Xianlie South RoadGuangzhouGuangdong510060China
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13
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Amin R, Shukla A, Zhu JJ, Kim S, Wang P, Tian SZ, Tran AD, Paul D, Cappell SD, Burkett S, Liu H, Lee MP, Kruhlak MJ, Dwyer JE, Simpson RM, Hager GL, Ruan Y, Hunter KW. Nuclear pore protein NUP210 depletion suppresses metastasis through heterochromatin-mediated disruption of tumor cell mechanical response. Nat Commun 2021; 12:7216. [PMID: 34903738 PMCID: PMC8669001 DOI: 10.1038/s41467-021-27451-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 11/16/2021] [Indexed: 12/26/2022] Open
Abstract
Mechanical signals from the extracellular microenvironment have been implicated in tumor and metastatic progression. Here, we identify nucleoporin NUP210 as a metastasis susceptibility gene for human estrogen receptor positive (ER+) breast cancer and a cellular mechanosensor. Nup210 depletion suppresses lung metastasis in mouse models of breast cancer. Mechanistically, NUP210 interacts with LINC complex protein SUN2 which connects the nucleus to the cytoskeleton. In addition, the NUP210/SUN2 complex interacts with chromatin via the short isoform of BRD4 and histone H3.1/H3.2 at the nuclear periphery. In Nup210 knockout cells, mechanosensitive genes accumulate H3K27me3 heterochromatin modification, mediated by the polycomb repressive complex 2 and differentially reposition within the nucleus. Transcriptional repression in Nup210 knockout cells results in defective mechanotransduction and focal adhesion necessary for their metastatic capacity. Our study provides an important role of nuclear pore protein in cellular mechanosensation and metastasis. The involvement of nuclear pore proteins in cellular mechanosensing and metastasis is unclear. Here the authors identify that nuclear pore protein NUP210 promotes metastasis through the interaction with mechanotransducer LINC complex protein and chromatin to regulate mechanosensitive genes.
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Affiliation(s)
- Ruhul Amin
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA.
| | - Anjali Shukla
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | | | - Sohyoung Kim
- Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Ping Wang
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | | | - Andy D Tran
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA.,Confocal Microscopy Core Facility, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Debasish Paul
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Steven D Cappell
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Sandra Burkett
- Molecular Cytogenetics Core Facility, National Cancer Institute, NIH, Frederick, MD, USA
| | - Huaitian Liu
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA.,High-Dimension Data Analysis Group, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Maxwell P Lee
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA.,High-Dimension Data Analysis Group, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Michael J Kruhlak
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA.,Confocal Microscopy Core Facility, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Jennifer E Dwyer
- Molecular Pathology Unit, Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - R Mark Simpson
- Molecular Pathology Unit, Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Gordon L Hager
- Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Yijun Ruan
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Kent W Hunter
- Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA.
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14
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Tripathi BK, Anderman MF, Bhargava D, Boccuzzi L, Qian X, Wang D, Durkin ME, Papageorge AG, de Miguel FJ, Politi K, Walters KJ, Doroshow JH, Lowy DR. Inhibition of cytoplasmic EZH2 induces antitumor activity through stabilization of the DLC1 tumor suppressor protein. Nat Commun 2021; 12:6941. [PMID: 34862367 PMCID: PMC8642553 DOI: 10.1038/s41467-021-26993-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 10/25/2021] [Indexed: 12/13/2022] Open
Abstract
mRNA expression of the DLC1 tumor suppressor gene is downregulated in many lung cancers and their derived cell lines, with DLC1 protein levels being low or absent. Although the role of increased EZH2 methyltransferase in cancer is usually attributed to its histone methylation, we unexpectedly observed that post-translational destabilization of DLC1 protein is common and attributable to its methylation by cytoplasmic EZH2, leading to CUL-4A ubiquitin-dependent proteasomal degradation of DLC1. Furthermore, siRNA knockdown of KRAS in several lines increases DLC1 protein, associated with a drastic reduction in cytoplasmic EZH2. Pharmacologic inhibition of EZH2, CUL-4A, or the proteasome can increase the steady-state level of DLC1 protein, whose tumor suppressor activity is further increased by AKT and/or SRC kinase inhibitors, which reverse the direct phosphorylation of DLC1 by these kinases. These rational drug combinations induce potent tumor growth inhibition, with markers of apoptosis and senescence, that is highly dependent on DLC1 protein.
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Affiliation(s)
- Brajendra K Tripathi
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA.
| | - Meghan F Anderman
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Disha Bhargava
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Luciarita Boccuzzi
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Xiaolan Qian
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Dunrui Wang
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Marian E Durkin
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Alex G Papageorge
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | | | - Katerina Politi
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
- Departments of Pathology and Internal Medicine (Section of Medical Oncology), Yale School of Medicine, New Haven, CT, USA
| | - Kylie J Walters
- Structural Biophysics Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
| | - James H Doroshow
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Douglas R Lowy
- Laboratory of Cellular Oncology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA.
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15
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Mieczkowska IK, Pantelaiou-Prokaki G, Prokakis E, Schmidt GE, Müller-Kirschbaum LC, Werner M, Sen M, Velychko T, Jannasch K, Dullin C, Napp J, Pantel K, Wikman H, Wiese M, Kramm CM, Alves F, Wegwitz F. Decreased PRC2 activity supports the survival of basal-like breast cancer cells to cytotoxic treatments. Cell Death Dis 2021; 12:1118. [PMID: 34845197 PMCID: PMC8630036 DOI: 10.1038/s41419-021-04407-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 11/01/2021] [Accepted: 11/09/2021] [Indexed: 12/12/2022]
Abstract
Breast cancer (BC) is the most common cancer occurring in women but also rarely develops in men. Recent advances in early diagnosis and development of targeted therapies have greatly improved the survival rate of BC patients. However, the basal-like BC subtype (BLBC), largely overlapping with the triple-negative BC subtype (TNBC), lacks such drug targets and conventional cytotoxic chemotherapies often remain the only treatment option. Thus, the development of resistance to cytotoxic therapies has fatal consequences. To assess the involvement of epigenetic mechanisms and their therapeutic potential increasing cytotoxic drug efficiency, we combined high-throughput RNA- and ChIP-sequencing analyses in BLBC cells. Tumor cells surviving chemotherapy upregulated transcriptional programs of epithelial-to-mesenchymal transition (EMT) and stemness. To our surprise, the same cells showed a pronounced reduction of polycomb repressive complex 2 (PRC2) activity via downregulation of its subunits Ezh2, Suz12, Rbbp7 and Mtf2. Mechanistically, loss of PRC2 activity leads to the de-repression of a set of genes through an epigenetic switch from repressive H3K27me3 to activating H3K27ac mark at regulatory regions. We identified Nfatc1 as an upregulated gene upon loss of PRC2 activity and directly implicated in the transcriptional changes happening upon survival to chemotherapy. Blocking NFATc1 activation reduced epithelial-to-mesenchymal transition, aggressiveness, and therapy resistance of BLBC cells. Our data demonstrate a previously unknown function of PRC2 maintaining low Nfatc1 expression levels and thereby repressing aggressiveness and therapy resistance in BLBC.
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Affiliation(s)
- Iga K. Mieczkowska
- grid.411984.10000 0001 0482 5331Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Garyfallia Pantelaiou-Prokaki
- grid.411984.10000 0001 0482 5331Department of Gynecology and Obstetrics, University Medical Center Göttingen, Göttingen, Germany ,grid.419522.90000 0001 0668 6902Translational Molecular Imaging, Max Planck Institute for Experimental Medicine, Göttingen, Germany
| | - Evangelos Prokakis
- grid.411984.10000 0001 0482 5331Department of Gynecology and Obstetrics, University Medical Center Göttingen, Göttingen, Germany
| | - Geske E. Schmidt
- grid.411984.10000 0001 0482 5331Department of Gastroenterology, GI-Oncology and Endocrinology, University Medical Center Göttingen, Göttingen, Germany
| | - Lukas C. Müller-Kirschbaum
- grid.411984.10000 0001 0482 5331Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Marcel Werner
- grid.411984.10000 0001 0482 5331Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Madhobi Sen
- grid.411984.10000 0001 0482 5331Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Taras Velychko
- grid.411984.10000 0001 0482 5331Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Katharina Jannasch
- grid.411984.10000 0001 0482 5331Clinic for Haematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Christian Dullin
- grid.419522.90000 0001 0668 6902Translational Molecular Imaging, Max Planck Institute for Experimental Medicine, Göttingen, Germany ,grid.411984.10000 0001 0482 5331Clinic for Haematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany ,grid.411984.10000 0001 0482 5331Institute for Diagnostic and Interventional Radiology, University Medical Center Göttingen, Göttingen, Germany
| | - Joanna Napp
- grid.419522.90000 0001 0668 6902Translational Molecular Imaging, Max Planck Institute for Experimental Medicine, Göttingen, Germany ,grid.411984.10000 0001 0482 5331Institute for Diagnostic and Interventional Radiology, University Medical Center Göttingen, Göttingen, Germany
| | - Klaus Pantel
- grid.13648.380000 0001 2180 3484Institute of Tumor Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Harriet Wikman
- grid.13648.380000 0001 2180 3484Institute of Tumor Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Maria Wiese
- grid.411984.10000 0001 0482 5331Department of Pediatrics and Adolescent Medicine, Division of Pediatric Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Christof M. Kramm
- grid.411984.10000 0001 0482 5331Department of Pediatrics and Adolescent Medicine, Division of Pediatric Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany
| | - Frauke Alves
- grid.419522.90000 0001 0668 6902Translational Molecular Imaging, Max Planck Institute for Experimental Medicine, Göttingen, Germany ,grid.411984.10000 0001 0482 5331Clinic for Haematology and Medical Oncology, University Medical Center Göttingen, Göttingen, Germany ,grid.411984.10000 0001 0482 5331Institute for Diagnostic and Interventional Radiology, University Medical Center Göttingen, Göttingen, Germany
| | - Florian Wegwitz
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany. .,Department of Gynecology and Obstetrics, University Medical Center Göttingen, Göttingen, Germany.
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16
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Yan X, Zhao X, Yan Q, Wang Y, Zhang C. Analysis of the role of METTL5 as a hub gene in lung adenocarcinoma based on a weighted gene co-expression network. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2021; 18:6608-6619. [PMID: 34517547 DOI: 10.3934/mbe.2021327] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Lung adenocarcinoma (LUAD) is a frequently diagnosed malignant tumor that is highly invasive and lethal. The prognosis of patients with LUAD still needs to be improved, as conventional treatment is remarkably well tolerated. In this study, the expression profile of LUAD in the TCGA database was used for differential expression analysis, and differential expression genes were determined to construct a weighted gene co-expression network analysis (WGCNA) for dividing and finding the gene modules with the highest correlation with tumor stage. Here, METTL5, DDX23, GPSM2, CEP95, WDCP, and METL17 were identified as hub genes. According to the relation degree, METTL5 was determined as the candidate gene in this study. Difference analysis and receiver operating characteristic (ROC) curve were applied to identify the predictive performance of METTL5 in LUAD, and Kaplan-Meier (KM) analysis showed that the prognosis of LUAD patients with high METTL5 expression was poor. Further GSEA analysis showed that high-expressed METTL5 was related to epithelial-mesenchymal transition and other pathways. Therefore, METTL5 may be involved in the occurrence and malignant progression of LUAD. The current findings provide an effective molecular target for early diagnosis of LUAD, helping monitor the malignant progression of LUAD and improve the prognosis of LUAD patients.
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Affiliation(s)
- Xinwang Yan
- Medical College of Qingdao University, Jining NO.1 People's Hospital, Qingdao, Shandong Province 266042, China
| | - Xiaowen Zhao
- Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao, Shandong Province 266042, China
| | - Qing Yan
- Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao, Shandong Province 266042, China
| | - Ye Wang
- Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao, Shandong Province 266042, China
| | - Chunling Zhang
- Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao, Shandong Province 266042, China
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17
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Polycomb-group proteins in the initiation and progression of cancer. J Genet Genomics 2021; 48:433-443. [PMID: 34266781 DOI: 10.1016/j.jgg.2021.03.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/23/2021] [Accepted: 03/28/2021] [Indexed: 12/13/2022]
Abstract
The Polycomb group (PcG) proteins are a family of chromatin regulators and critical for the maintenance of cellular identity. The PcG machinery can be categorized into at least three multi-protein complexes, namely Polycomb Repressive Complex 1 (PRC1), PRC2, and Polycomb Repressive DeUBiquitinase (PR-DUB). Their deregulation has been associated with human cancer initiation and progression. Here we review the updated understanding for PcG proteins in transcription regulation and DNA damage repair and highlight increasing links to the hallmarks in cancer. Accordingly, we discuss some of the recent advances in drug development or strategies against cancers caused by the gain or loss of PcG functions.
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18
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Schmitt MJ, Company C, Dramaretska Y, Barozzi I, Göhrig A, Kertalli S, Großmann M, Naumann H, Sanchez-Bailon MP, Hulsman D, Glass R, Squatrito M, Serresi M, Gargiulo G. Phenotypic Mapping of Pathologic Cross-Talk between Glioblastoma and Innate Immune Cells by Synthetic Genetic Tracing. Cancer Discov 2021; 11:754-777. [PMID: 33361384 PMCID: PMC7611210 DOI: 10.1158/2159-8290.cd-20-0219] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 09/21/2020] [Accepted: 12/11/2020] [Indexed: 12/27/2022]
Abstract
Glioblastoma is a lethal brain tumor that exhibits heterogeneity and resistance to therapy. Our understanding of tumor homeostasis is limited by a lack of genetic tools to selectively identify tumor states and fate transitions. Here, we use glioblastoma subtype signatures to construct synthetic genetic tracing cassettes and investigate tumor heterogeneity at cellular and molecular levels, in vitro and in vivo. Through synthetic locus control regions, we demonstrate that proneural glioblastoma is a hardwired identity, whereas mesenchymal glioblastoma is an adaptive and metastable cell state driven by proinflammatory and differentiation cues and DNA damage, but not hypoxia. Importantly, we discovered that innate immune cells divert glioblastoma cells to a proneural-to-mesenchymal transition that confers therapeutic resistance. Our synthetic genetic tracing methodology is simple, scalable, and widely applicable to study homeostasis in development and diseases. In glioblastoma, the method causally links distinct (micro)environmental, genetic, and pharmacologic perturbations and mesenchymal commitment. SIGNIFICANCE: Glioblastoma is heterogeneous and incurable. Here, we designed synthetic reporters to reflect the transcriptional output of tumor cell states and signaling pathways' activity. This method is generally applicable to study homeostasis in normal tissues and diseases. In glioblastoma, synthetic genetic tracing causally connects cellular and molecular heterogeneity to therapeutic responses.This article is highlighted in the In This Issue feature, p. 521.
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Affiliation(s)
| | - Carlos Company
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany
| | | | - Iros Barozzi
- Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Andreas Göhrig
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany
| | - Sonia Kertalli
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany
| | - Melanie Großmann
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany
| | - Heike Naumann
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany
| | | | - Danielle Hulsman
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Rainer Glass
- Neurosurgical Research, Department of Neurosurgery, University Hospital, Munich, Germany
| | - Massimo Squatrito
- Seve Ballesteros Foundation Brain Tumor Group, Molecular Oncology Programme, Spanish National Cancer Research Center, Madrid, Spain
| | - Michela Serresi
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany
| | - Gaetano Gargiulo
- Max-Delbrück-Center for Molecular Medicine (MDC), Berlin, Germany.
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19
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Serresi M, Kertalli S, Li L, Schmitt MJ, Dramaretska Y, Wierikx J, Hulsman D, Gargiulo G. Functional antagonism of chromatin modulators regulates epithelial-mesenchymal transition. SCIENCE ADVANCES 2021; 7:7/9/eabd7974. [PMID: 33627422 PMCID: PMC7904264 DOI: 10.1126/sciadv.abd7974] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 01/06/2021] [Indexed: 05/27/2023]
Abstract
Epithelial-mesenchymal transition (EMT) is a developmental process hijacked by cancer cells to modulate proliferation, migration, and stress response. Whereas kinase signaling is believed to be an EMT driver, the molecular mechanisms underlying epithelial-mesenchymal interconversion are incompletely understood. Here, we show that the impact of chromatin regulators on EMT interconversion is broader than that of kinases. By combining pharmacological modulation of EMT, synthetic genetic tracing, and CRISPR interference screens, we uncovered a minority of kinases and several chromatin remodelers, writers, and readers governing homeostatic EMT in lung cancer cells. Loss of ARID1A, DOT1L, BRD2, and ZMYND8 had nondeterministic and sometimes opposite consequences on epithelial-mesenchymal interconversion. Together with RNAPII and AP-1, these antagonistic gatekeepers control chromatin of active enhancers, including pan-cancer-EMT signature genes enabling supraclassification of anatomically diverse tumors. Thus, our data uncover general principles underlying transcriptional control of cancer cell plasticity and offer a platform to systematically explore chromatin regulators in tumor-state-specific therapy.
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Affiliation(s)
- Michela Serresi
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany.
| | - Sonia Kertalli
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Lifei Li
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Matthias Jürgen Schmitt
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Yuliia Dramaretska
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Jikke Wierikx
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Danielle Hulsman
- Division of Molecular Genetics, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, Netherlands
| | - Gaetano Gargiulo
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany.
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20
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Yang AY, Choi EB, So Park M, Kim SK, Park MS, Kim MY. PARP1 and PRC2 double deficiency promotes BRCA-proficient breast cancer growth by modification of the tumor microenvironment. FEBS J 2020; 288:2888-2910. [PMID: 33205541 DOI: 10.1111/febs.15636] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 10/12/2020] [Accepted: 11/16/2020] [Indexed: 02/06/2023]
Abstract
Poly (ADP-ribose) polymerase 1 (PARP1) and polycomb-repressive complex 2 (PRC2) are each known for their individual roles in cancer, but their cooperative roles have only been studied in the DNA damage repair process in the context of BRCA-mutant cancers. Here, we show that simultaneous inhibition of PARP1 and PRC2 in the MDA-MB-231 BRCA-proficient triple-negative breast cancer (TNBC) cell line leads to a synthetic viability independent of the mechanisms of DNA damage repair. Specifically, we find that either genetic depletion or pharmacological inhibition of both PARP1 and PRC2 can accelerate tumor growth rate. We attribute this to modifications in the tumor microenvironment (TME) that are induced by double-depleted breast cancer cells, such as promoting intratumoral angiogenesis and increasing the proportion of tumor-promoting type 2 (M2) macrophages. These changes subsequently inhibit cell death and promote proliferation. Mechanistically, we find that PARP1 and PRC2 double depletion induces not only a basal activation of the NF-κB pathway but also a maximal activation of NF-κB within the TME in response to external stimuli such as hypoxia and the presence of macrophages. In summary, our study reveals an unprecedented synthetic viable interaction between PARP1 and PRC2 in BRCA-proficient TNBC and identifies NF-κB as the downstream mediator. DATABASE: RNA-seq data are available in the GEO databases under the accession GSE142769.
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Affiliation(s)
- A-Yeong Yang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
| | - Eun-Bee Choi
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Stem Cell Institute, Cambridge, MA, USA
| | - Mi So Park
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
| | - Seon-Kyu Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon, Korea
| | - Min-Seok Park
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
| | - Mi-Young Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea.,KAIST Institute for the BioCentury, Cancer Metastasis Control Center, Daejeon, Korea
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21
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van den Berk P, Lancini C, Company C, Serresi M, Sanchez-Bailon MP, Hulsman D, Pritchard C, Song JY, Schmitt MJ, Tanger E, Popp O, Mertins P, Huijbers IJ, Jacobs H, van Lohuizen M, Gargiulo G, Citterio E. USP15 Deubiquitinase Safeguards Hematopoiesis and Genome Integrity in Hematopoietic Stem Cells and Leukemia Cells. Cell Rep 2020; 33:108533. [PMID: 33378683 PMCID: PMC7788286 DOI: 10.1016/j.celrep.2020.108533] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 07/28/2020] [Accepted: 11/25/2020] [Indexed: 12/22/2022] Open
Abstract
Altering ubiquitination by disruption of deubiquitinating enzymes (DUBs) affects hematopoietic stem cell (HSC) maintenance. However, comprehensive knowledge of DUB function during hematopoiesis in vivo is lacking. Here, we systematically inactivate DUBs in mouse hematopoietic progenitors using in vivo small hairpin RNA (shRNA) screens. We find that multiple DUBs may be individually required for hematopoiesis and identify ubiquitin-specific protease 15 (USP15) as essential for HSC maintenance in vitro and in transplantations and Usp15 knockout (KO) mice in vivo. USP15 is highly expressed in human hematopoietic tissues and leukemias. USP15 depletion in murine progenitors and leukemia cells impairs in vitro expansion and increases genotoxic stress. In leukemia cells, USP15 interacts with and stabilizes FUS (fused in sarcoma), a known DNA repair factor, directly linking USP15 to the DNA damage response (DDR). Our study underscores the importance of DUBs in preserving normal hematopoiesis and uncovers USP15 as a critical DUB in safeguarding genome integrity in HSCs and leukemia cells. In vivo shRNAs screens for deubiquitinases identify regulators of murine hematopoiesis Usp15 deletion compromises HSC maintenance and reconstitution potential in vivo USP15 loss affects genome integrity and growth of mHSPCs and human leukemia cells In human leukemia cells, USP15 stabilizes its interactor, FUS, a DNA repair factor
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Affiliation(s)
- Paul van den Berk
- Division of Tumor Biology and Immunology, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Cesare Lancini
- Division of Molecular Genetics, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Carlos Company
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Michela Serresi
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | | | - Danielle Hulsman
- Division of Molecular Genetics, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands; ONCODE Institute, Utrecht, the Netherlands
| | - Colin Pritchard
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Ji-Ying Song
- Division of Experimental Animal Pathology, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Matthias Jürgen Schmitt
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany
| | - Ellen Tanger
- Division of Molecular Genetics, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Oliver Popp
- Proteomics Platform, Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Berlin Institute of Health, Robert Rössle Strasse 10, 13125 Berlin, Germany
| | - Philipp Mertins
- Proteomics Platform, Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Berlin Institute of Health, Robert Rössle Strasse 10, 13125 Berlin, Germany
| | - Ivo J Huijbers
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Heinz Jacobs
- Division of Tumor Biology and Immunology, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Maarten van Lohuizen
- Division of Molecular Genetics, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands; ONCODE Institute, Utrecht, the Netherlands
| | - Gaetano Gargiulo
- Max-Delbrück-Center for Molecular Medicine (MDC), Robert-Rössle-Str. 10, 13092 Berlin, Germany.
| | - Elisabetta Citterio
- Division of Molecular Genetics, the Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands; ONCODE Institute, Utrecht, the Netherlands.
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22
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Kong Y, Zhang Y, Mao F, Zhang Z, Li Z, Wang R, Liu J, Liu X. Inhibition of EZH2 Enhances the Antitumor Efficacy of Metformin in Prostate Cancer. Mol Cancer Ther 2020; 19:2490-2501. [PMID: 33024029 DOI: 10.1158/1535-7163.mct-19-0874] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 01/06/2020] [Accepted: 09/24/2020] [Indexed: 11/16/2022]
Abstract
Upregulation of EZH2 is associated with advanced stage and poor prognosis of prostate cancer; therefore, it is likely to be a promising therapeutic target. Metformin, a drug that has been used to treat type 2 diabetes, was found to have antineoplastic activity in different cancers. Herein, we report that the combination of metformin and the EZH2 inhibitor GSK126 exerts synergistic inhibition on prostate cancer cell growth, both in vitro and in vivo Mechanistically, we identify that metformin can reduce EZH2 expression through upregulating miR-26a-5p, which is antagonized by androgen receptor (AR). Furthermore, we show that AR binds to the promoter of miR-26a-5p and suppresses its transcription. Although metformin can remove AR from the miR-26a-5p promoter, the interaction between AR and EZH2, which usually exists in androgen-refractory prostate cancer cells, strongly impedes the removal. However, GSK126 can inhibit the methyltransferase-dependent interaction between AR and EZH2, thus restoring metformin's efficacy in androgen-refractory prostate cancer cells. Collectively, our finding suggests that the combination of metformin and GSK126 would be an effective approach for future prostate cancer therapy, and particularly effective for AR-positive castration-resistant prostate cancer.
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Affiliation(s)
- Yifan Kong
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky.,Department of Animal Sciences, Purdue University, West Lafayette, Indiana
| | - Yanquan Zhang
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky
| | - Fengyi Mao
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky.,Department of Animal Sciences, Purdue University, West Lafayette, Indiana
| | - Zhuangzhuang Zhang
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky
| | - Zhiguo Li
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky
| | - Ruixin Wang
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky
| | - Jinghui Liu
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky
| | - Xiaoqi Liu
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky. .,Markey Cancer Center, University of Kentucky, Lexington, Kentucky
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23
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Yang C, Zhang J, Ma Y, Wu C, Cui W, Wang L. Histone methyltransferase and drug resistance in cancers. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2020; 39:173. [PMID: 32859239 PMCID: PMC7455899 DOI: 10.1186/s13046-020-01682-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 08/19/2020] [Indexed: 02/07/2023]
Abstract
A number of novel anticancer drugs have been developed in recent years. However, the mortality of cancer patients remains high because of the emergence of drug resistance. It was reported that drug resistance might involved in changes in gene expression without changing genotypes, which is similar to epigenetic modification. Some studies indicated that targeting histone methyltransferase can reverse drug resistance. Hence, the use of histone methyltransferase inhibitors or histone demethylase inhibitors opens new therapeutic approaches for cancer treatment. While the relationship between histone methyltransferase and tumor resistance has been determined, there is a lack of updated review on the association between them. In this review, we summarized the mechanisms of histone methyltransferases in cancer drug resistance and the therapeutic strategies of targeting histone methyltransferase to reverse drug resistance.
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Affiliation(s)
- Cheng Yang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.,Benxi Institute of Pharmaceutical Research, Shenyang Pharmaceutical University, Benxi, People's Republic of China
| | - Jiayu Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.,Benxi Institute of Pharmaceutical Research, Shenyang Pharmaceutical University, Benxi, People's Republic of China
| | - Yukui Ma
- Shandong Academy of Pharmaceutical Sciences, Jinan, China
| | - Chunfu Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.,Benxi Institute of Pharmaceutical Research, Shenyang Pharmaceutical University, Benxi, People's Republic of China
| | - Wei Cui
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.
| | - Lihui Wang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, People's Republic of China. .,Benxi Institute of Pharmaceutical Research, Shenyang Pharmaceutical University, Benxi, People's Republic of China.
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24
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Richart L, Margueron R. Drugging histone methyltransferases in cancer. Curr Opin Chem Biol 2020; 56:51-62. [DOI: 10.1016/j.cbpa.2019.11.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 02/06/2023]
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25
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Li Q, Wang Y, Hu R, Yang G. Dysregulation of SPRR3/miR-876-3p Axis Contributes to Tumorigenesis in Non-Small-Cell Lung Cancer. Onco Targets Ther 2020; 13:2411-2419. [PMID: 32273714 PMCID: PMC7106992 DOI: 10.2147/ott.s245422] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/14/2020] [Indexed: 12/21/2022] Open
Abstract
Background SPRR3, also known as esophagin, has been shown to be involved in the initiation and progression of numerous types of tumor. However, the biological function of SPRR3 that contributes to non-small-cell lung cancer (NSCLC) growth and migration is largely unknown. Methods The expression of SPRR3 and its association with EZH2 and miR-876-3p in NSCLC cells were determined by real-time PCR. Protein levels were measured by immunohistochemistry (IHC) and Western blot. Cell functions were studied by CCK-8, transwell assay, flow cytometry and dual-luciferase reporter assay. The effect of SPRR3 on tumor growth in vivo was evaluated in patient-derived xenograft (PDX) models. Results SPRR3 was up-regulated in most NSCLC cell lines and clinical tissues. Also, the correlation between SPRR3 expression and clinical features was significant. Functional studies confirmed that SPRR3 modulates cell proliferation, invasion and cell apoptosis in NSCLC via regulating EZH2, which is a well-known oncogene in NSCLC. Furthermore, SPRR3 was found to be a direct target of miR-876-3p that also plays a suppressor role in NSCLC. Conclusion These findings indicated that miR-876-3p/SPRR3/EZH2 signaling cascade exerts important roles in the regulation of NSCLC, suggesting that this pathway can serve as a potential therapeutic target in NSCLC.
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Affiliation(s)
- Qin Li
- Department of Oncology, BenQ Medical Center, Nanjing Medical University, Nanjing 210029, People's Republic of China
| | - Yuxuan Wang
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People's Republic of China
| | - Rongkuan Hu
- GenePharma Co., Ltd, Suzhou, People's Republic of China
| | - Guang Yang
- Department of Oncology, BenQ Medical Center, Nanjing Medical University, Nanjing 210029, People's Republic of China
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26
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Long noncoding RNA DANCR regulates proliferation and migration by epigenetically silencing FBP1 in tumorigenesis of cholangiocarcinoma. Cell Death Dis 2019; 10:585. [PMID: 31383847 PMCID: PMC6683119 DOI: 10.1038/s41419-019-1810-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 06/28/2019] [Accepted: 07/08/2019] [Indexed: 12/12/2022]
Abstract
Recently, long noncoding RNAs (lncRNAs) have been shown to play significant regulatory roles in human tumorigenesis. However, the biological function of lncRNAs in cholangiocarcinoma (CCA) remains largely unknown. In this study, DANCR was shown to be significantly upregulated in CCA. DANCR regulated the proliferation and migration of CCA cells in vitro. Moreover, downregulation of DANCR suppressed CCA cells proliferation in vivo. RNA-seq revealed that DANCR knockdown preferentially affected genes linked with cell proliferation and cell differentiation. Furthermore, mechanistic investigation validated that DANCR could bind EZH2 and modulate the histone methylation of promoter of FBP1, thereby regulating CCA cells growth and migration. Taken together, these results demonstrated the significant roles of DANCR in CCA and may provide a theoretical basis for clinical diagnosis and treatment of CCA.
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27
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Liu X, Min S, Wu N, Liu H, Wang T, Li W, Shen Y, Zhao C, Wang H, Qian Z, Xu H, Chen Y, Wang X. miR-193a-3p inhibition of the Slug activator PAK4 suppresses non-small cell lung cancer aggressiveness via the p53/Slug/L1CAM pathway. Cancer Lett 2019; 447:56-65. [PMID: 30685413 DOI: 10.1016/j.canlet.2019.01.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/12/2018] [Accepted: 01/21/2019] [Indexed: 01/10/2023]
Abstract
L1 cell adhesion molecule (L1CAM) promotes invasiveness and metastasis in non-small cell lung cancer (NSCLC) cells and is upregulated by the p53-regulated transcription factor Slug. p21-activated kinase 4 (PAK4) directly phosphorylates Slug, resulting in pro-malignant Slug stabilization. We hypothesized that microRNA-based negative regulation of PAK4 would reduce L1CAM-induced NSCLC aggressiveness via destabilizing Slug. We found that elevated L1CAM expression was tightly correlated with p53 loss-of-function and reduced NSCLC patient survival. L1CAM suppression reduced NSCLC cell migration and invasiveness in vitro as well as tumor formation and distal metastasis in vivo. Mechanistically, p53 restricts L1CAM expression through the β-catenin/Slug pathway, with levels of β-catenin and Slug positively correlating with L1CAM expression in NSCLC tumors. The microRNA miR-193a-3p directly targets PAK4 and suppresses downstream p-Slug and L1CAM expression. Silencing PAK4, Slug, and L1CAM mirrored miR-193a-3p's effects upon the migration and invasiveness of NSCLC cells in vitro. Decreased miR-193a-3p levels correlated with elevated PAK4, p-Slug, and L1CAM levels in NSCLC tumors. Our findings support a model of miR-193a-3p as a suppressor of metastatic disease progression in NSCLC via modulation of the p53/Slug/L1CAM pathway.
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Affiliation(s)
- Xincheng Liu
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Shengping Min
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Nan Wu
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Hongli Liu
- Department of Gynecological Oncology, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Tao Wang
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Wei Li
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Yuanbing Shen
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Chengling Zhao
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Hongtao Wang
- Department of Immunology, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Zhongqing Qian
- Department of Immunology, Bengbu Medical College, Bengbu, Anhui Province, China
| | - Huanbai Xu
- Department of Endocrinology and Metabolism, Shanghai Jiaotong University Affiliated First People's Hospital, Shanghai, China
| | - Yuqing Chen
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China.
| | - Xiaojing Wang
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui Province, China.
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