1
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Xu D, Yin S, Shu Y. NF2: An underestimated player in cancer metabolic reprogramming and tumor immunity. NPJ Precis Oncol 2024; 8:133. [PMID: 38879686 PMCID: PMC11180135 DOI: 10.1038/s41698-024-00627-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 06/02/2024] [Indexed: 06/19/2024] Open
Abstract
Neurofibromatosis type 2 (NF2) is a tumor suppressor gene implicated in various tumors, including mesothelioma, schwannomas, and meningioma. As a member of the ezrin, radixin, and moesin (ERM) family of proteins, merlin, which is encoded by NF2, regulates diverse cellular events and signalling pathways, such as the Hippo, mTOR, RAS, and cGAS-STING pathways. However, the biological role of NF2 in tumorigenesis has not been fully elucidated. Furthermore, cross-cancer mutations may exert distinct biological effects on tumorigenesis and treatment response. In addition to the functional inactivation of NF2, the codeficiency of other genes, such as cyclin-dependent kinase inhibitor 2A/B (CDKN2A/B), BRCA1-associated protein-1 (BAP1), and large tumor suppressor 2 (LATS2), results in unique tumor characteristics that should be considered in clinical treatment decisions. Notably, several recent studies have explored the metabolic and immunological features associated with NF2, offering potential insights into tumor biology and the development of innovative therapeutic strategies. In this review, we consolidate the current knowledge on NF2 and examine the potential connection between cancer metabolism and tumor immunity in merlin-deficient malignancies. This review may provide a deeper understanding of the biological roles of NF2 and guide possible therapeutic avenues.
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Affiliation(s)
- Duo Xu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shiyuan Yin
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yongqian Shu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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2
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Kyrkou A, Valla R, Zhang Y, Ambrosi G, Laier S, Müller-Decker K, Boutros M, Teleman AA. G6PD and ACSL3 are synthetic lethal partners of NF2 in Schwann cells. Nat Commun 2024; 15:5115. [PMID: 38879607 PMCID: PMC11180199 DOI: 10.1038/s41467-024-49298-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 05/24/2024] [Indexed: 06/19/2024] Open
Abstract
Neurofibromatosis Type II (NFII) is a genetic condition caused by loss of the NF2 gene, resulting in activation of the YAP/TAZ pathway and recurrent Schwann cell tumors, as well as meningiomas and ependymomas. Unfortunately, few pharmacological options are available for NFII. Here, we undertake a genome-wide CRISPR/Cas9 screen to search for synthetic-lethal genes that, when inhibited, cause death of NF2 mutant Schwann cells but not NF2 wildtype cells. We identify ACSL3 and G6PD as two synthetic-lethal partners for NF2, both involved in lipid biogenesis and cellular redox. We find that NF2 mutant Schwann cells are more oxidized than control cells, in part due to reduced expression of genes involved in NADPH generation such as ME1. Since G6PD and ME1 redundantly generate cytosolic NADPH, lack of either one is compatible with cell viability, but not down-regulation of both. Since genetic deficiency for G6PD is tolerated in the human population, G6PD could be a good pharmacological target for NFII.
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Affiliation(s)
- Athena Kyrkou
- German Cancer Research Center (DKFZ), Division B140, 69120, Heidelberg, Germany
- Heidelberg University, Institute of Human Genetics, 69120, Heidelberg, Germany
| | - Robert Valla
- German Cancer Research Center (DKFZ), Division B140, 69120, Heidelberg, Germany
- Heidelberg University, Institute of Human Genetics, 69120, Heidelberg, Germany
| | - Yao Zhang
- German Cancer Research Center (DKFZ), Division B140, 69120, Heidelberg, Germany
- Heidelberg University, Institute of Human Genetics, 69120, Heidelberg, Germany
| | - Giulia Ambrosi
- German Cancer Research Center (DKFZ), Div. Signaling and Functional Genomics, 69120, Heidelberg, Germany
| | - Stephanie Laier
- Core Facility Tumor Models, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Karin Müller-Decker
- Core Facility Tumor Models, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michael Boutros
- Heidelberg University, Institute of Human Genetics, 69120, Heidelberg, Germany
- German Cancer Research Center (DKFZ), Div. Signaling and Functional Genomics, 69120, Heidelberg, Germany
| | - Aurelio A Teleman
- German Cancer Research Center (DKFZ), Division B140, 69120, Heidelberg, Germany.
- Heidelberg University, Institute of Human Genetics, 69120, Heidelberg, Germany.
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3
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Kim BH, Chung YH, Woo TG, Kang SM, Park S, Kim M, Park BJ. NF2-Related Schwannomatosis (NF2): Molecular Insights and Therapeutic Avenues. Int J Mol Sci 2024; 25:6558. [PMID: 38928264 PMCID: PMC11204266 DOI: 10.3390/ijms25126558] [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: 05/04/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
NF2-related schwannomatosis (NF2) is a genetic syndrome characterized by the growth of benign tumors in the nervous system, particularly bilateral vestibular schwannomas, meningiomas, and ependymomas. This review consolidates the current knowledge on NF2 syndrome, emphasizing the molecular pathology associated with the mutations in the gene of the same name, the NF2 gene, and the subsequent dysfunction of its product, the Merlin protein. Merlin, a tumor suppressor, integrates multiple signaling pathways that regulate cell contact, proliferation, and motility, thereby influencing tumor growth. The loss of Merlin disrupts these pathways, leading to tumorigenesis. We discuss the roles of another two proteins potentially associated with NF2 deficiency as well as Merlin: Yes-associated protein 1 (YAP), which may promote tumor growth, and Raf kinase inhibitory protein (RKIP), which appears to suppress tumor development. Additionally, this review discusses the efficacy of various treatments, such as molecular therapies that target specific pathways or inhibit neomorphic protein-protein interaction caused by NF2 deficiency. This overview not only expands on the fundamental understanding of NF2 pathophysiology but also explores the potential of novel therapeutic targets that affect the clinical approach to NF2 syndrome.
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Affiliation(s)
- Bae-Hoon Kim
- Rare Disease R&D Center, PRG S&T Co., Ltd., Busan 46274, Republic of Korea; (B.-H.K.)
| | - Yeon-Ho Chung
- Rare Disease R&D Center, PRG S&T Co., Ltd., Busan 46274, Republic of Korea; (B.-H.K.)
| | - Tae-Gyun Woo
- Rare Disease R&D Center, PRG S&T Co., Ltd., Busan 46274, Republic of Korea; (B.-H.K.)
| | - So-mi Kang
- Department of Molecular Biology, College of Natural Science, Pusan National University, Busan 46241, Republic of Korea
| | - Soyoung Park
- Department of Molecular Biology, College of Natural Science, Pusan National University, Busan 46241, Republic of Korea
| | - Minju Kim
- Rare Disease R&D Center, PRG S&T Co., Ltd., Busan 46274, Republic of Korea; (B.-H.K.)
| | - Bum-Joon Park
- Rare Disease R&D Center, PRG S&T Co., Ltd., Busan 46274, Republic of Korea; (B.-H.K.)
- Department of Molecular Biology, College of Natural Science, Pusan National University, Busan 46241, Republic of Korea
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4
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Litwiniuk-Kosmala M, Makuszewska M, Niemczyk K, Bartoszewicz R, Wojtas B, Gielniewski B. High-throughput RNA sequencing identifies the miRNA expression profile, target genes, and molecular pathways contributing to growth of sporadic vestibular schwannomas. Acta Neurochir (Wien) 2024; 166:71. [PMID: 38329606 DOI: 10.1007/s00701-024-05984-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 01/16/2024] [Indexed: 02/09/2024]
Abstract
PURPOSE To assess the differences in the miRNA expression profile between small (stage I Koos classification) and large solid vestibular schwannoma (VS) tumors, using the RNA-seq technique. METHODS Twenty tumor samples (10 small and 10 large tumors) were collected from patients operated for VS in a Tertiary Academic Center. Tumor miRNA expression was analyzed using high-throughput RNA sequencing (RNA-seq) technique, with NovaSeq 6000 Illumina system. Bioinformatics analysis was done using statistical software R. Gene enrichment and functional analysis was performed using miRTargetLink 2.0 and DIANA miRpath 3.0 online tools. RESULTS We identified 9 differentially expressed miRNAs in large VS samples: miR-7, miR-142 (-3p and -5p), miR-155, miR-342, miR-1269, miR-4664, and miR-6503 were upregulated, whereas miR-204 was significantly down-regulated in comparison to small VS samples. Gene enrichment analysis showed that the most enriched target genes were SCD, TMEM43, LMNB2, JARID2, and CCND1. The most enriched functional pathways were associated with lipid metabolism, along with signaling pathways such as Hippo and FOXO signaling pathway. CONCLUSION We identified a set of 9 miRNAs that are significantly deregulated in large VS in comparison to small, intracanalicular tumors. The functional enrichment analysis of these miRNAs suggests novel mechanisms, such as that lipid metabolism, as well as Hippo and FOxO signaling pathways that may play an important role in VS growth regulation.
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Affiliation(s)
| | - Maria Makuszewska
- Department of Otorhinolaryngology, Head and Neck Surgery, Warsaw Medical University, Warsaw, Poland
| | - Kazimierz Niemczyk
- Department of Otorhinolaryngology, Head and Neck Surgery, Warsaw Medical University, Warsaw, Poland
| | - Robert Bartoszewicz
- Department of Otorhinolaryngology, Head and Neck Surgery, Warsaw Medical University, Warsaw, Poland
| | - Bartosz Wojtas
- Laboratory of Sequencing, Nencki Institute of Experimental Biology, Warsaw, Poland
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5
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Zou L, Yang Y, Wang Z, Fu X, He X, Song J, Li T, Ma H, Yu T. Lysine Malonylation and Its Links to Metabolism and Diseases. Aging Dis 2023; 14:84-98. [PMID: 36818560 PMCID: PMC9937698 DOI: 10.14336/ad.2022.0711] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/11/2022] [Indexed: 11/18/2022] Open
Abstract
Malonylation is a recently identified post-translational modification with malonyl-coenzyme A as the donor. It conserved both in prokaryotes and eukaryotes. Recent advances in the identification and quantification of lysine malonylation by bioinformatic analysis have improved our understanding of its role in the regulation of protein activity, interaction, and localization and have elucidated its involvement in many biological processes. Malonylation has been linked to diverse physiological processes, including metabolic disorders, inflammation, and immune regulation. This review discusses malonylation in theory, describes the underlying mechanism, and summarizes the recent progress in malonylation research. The latest findings point to novel functions of malonylation and highlight the mechanisms by which malonylation regulates a variety of cellular processes. Our review also marks the association between lysine malonylation, the enzymes involved, and various diseases, and discusses promising diagnostic and therapeutic biomolecular targets for future clinical applications.
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Affiliation(s)
- Lu Zou
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Yanyan Yang
- Department of Immunology, Basic Medicine School, Qingdao University, Qingdao, China.
| | - Zhibin Wang
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Xiuxiu Fu
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Xiangqin He
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Jiayi Song
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Tianxiang Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Huibo Ma
- Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Tao Yu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China.,Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, China.,Correspondence should be addressed to: Dr. Tao Yu, Center for Regenerative Medicine, Institute for Translational Medicine, the Affiliated Hospital of Qingdao University, Qingdao, China.
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6
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Jungwirth G, Hanemann CO, Dunn IF, Herold-Mende C. Preclinical Models of Meningioma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1416:199-211. [PMID: 37432629 DOI: 10.1007/978-3-031-29750-2_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
The management of clinically aggressive meningiomas remains challenging due to limited treatment options aside from surgical removal and radiotherapy. High recurrence rates and lack of effective systemic therapies contribute to the unfavorable prognosis of these patients. Accurate in vitro and in vivo models are critical for understanding meningioma pathogenesis and to identify and test novel therapeutics. In this chapter, we review cell models, genetically engineered mouse models, and xenograft mouse models, with special emphasis on the field of application. Finally, promising preclinical 3D models such as organotypic tumor slices and patient-derived tumor organoids are discussed.
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Affiliation(s)
- Gerhard Jungwirth
- Division of Experimental Neurosurgery, Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany.
| | - C Oliver Hanemann
- Peninsula Schools of Medicine and Dentistry, Plymouth University, Plymouth, UK
| | - Ian F Dunn
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Christel Herold-Mende
- Division of Experimental Neurosurgery, Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
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Chen H, Zhang J, Zhou H, Zhu Y, Liang Y, Zhu P, Zhang Q. UHPLC-HRMS–based serum lipisdomics reveals novel biomarkers to assist in the discrimination between colorectal adenoma and cancer. Front Oncol 2022; 12:934145. [PMID: 35965551 PMCID: PMC9366052 DOI: 10.3389/fonc.2022.934145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
The development of a colorectal adenoma (CA) into carcinoma (CRC) is a long and stealthy process. There remains a lack of reliable biomarkers to distinguish CA from CRC. To effectively explore underlying molecular mechanisms and identify novel lipid biomarkers promising for early diagnosis of CRC, an ultrahigh-performance liquid chromatography tandem high-resolution mass spectrometry (UHPLC-HRMS) method was employed to comprehensively measure lipid species in human serum samples of patients with CA and CRC. Results showed significant differences in serum lipid profiles between CA and CRC groups, and 85 differential lipid species (P < 0.05 and fold change > 1.50 or < 0.67) were discovered. These significantly altered lipid species were mainly involved in fatty acid (FA), phosphatidylcholine (PC), and triacylglycerol (TAG) metabolism with the constituent ratio > 63.50%. After performance evaluation by the receiver operating characteristic (ROC) curve analysis, seven lipid species were ultimately proposed as potential biomarkers with the area under the curve (AUC) > 0.800. Of particular value, a lipid panel containing docosanamide, SM d36:0, PC 36:1e, and triheptanoin was selected as a composite candidate biomarker with excellent performance (AUC = 0.971), and the highest selected frequency to distinguish patients with CA from patients with CRC based on the support vector machine (SVM) classification model. To our knowledge, this study was the first to undertake a lipidomics profile using serum intended to identify screening lipid biomarkers to discriminate between CA and CRC. The lipid panel could potentially serve as a composite biomarker aiding the early diagnosis of CRC. Metabolic dysregulation of FAs, PCs, and TAGs seems likely involved in malignant transformation of CA, which hopefully will provide new clues to understand its underlying mechanism.
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Affiliation(s)
- Hongwei Chen
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Jiahao Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Hailin Zhou
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Yifan Zhu
- Medical College of Guangxi University, Guangxi University, Nanning, China
| | - Yunxiao Liang
- Department of Gastroenterology, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Pingchuan Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
| | - Qisong Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, China
- *Correspondence: Qisong Zhang,
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8
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Zhou H, Nong Y, Zhu Y, Liang Y, Zhang J, Chen H, Zhu P, Zhang Q. Serum untargeted lipidomics by UHPLC-ESI-HRMS aids the biomarker discovery of colorectal adenoma. BMC Cancer 2022; 22:314. [PMID: 35331175 PMCID: PMC8943952 DOI: 10.1186/s12885-022-09427-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/17/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Colorectal adenoma (CA) is an important precancerous lesion and early screening target of colorectal cancer (CRC). Lipids with numerous physiological functions are proved to be involved in the development of CRC. However, there is no lipidomic study with large-scale serum samples on diagnostic biomarkers for CA. METHODS The serum lipidomics of CA patients (n = 50) and normal control (NR) (n = 50) was performed by ultra high performance liquid chromatography-high resolution mass spectrometry with electrospray ionization (UHPLC-ESI-HRMS). Univariate and multivariate statistical analyses were utilized to screen the differential lipids between groups, and combining the constituent ratio analysis and diagnostic efficiency evaluation by receiver operating characteristic (ROC) curve disclosed the potential mechanism and biomarkers for CA. RESULTS There were obvious differences in serum lipid profiles between CA and NR groups. Totally, 79 differential lipids were selected by criterion of P < 0.05 and fold change > 1.5 or < 0.67. Triacylglycerols (TAGs) and phosphatidylcholines (PCs) were the major differential lipids with ratio > 60%, indicating these two lipid metabolic pathways showed evident disequilibrium, which could contribute to CA formation. Of them, 12 differential lipids had good diagnostic ability as candidate biomarkers for CA (AUC ≥ 0.900) by ROC analysis. CONCLUSIONS To our knowledge, this is the first attempt to profile serum lipidomics and explore lipid biomarkers of CA to help early screening of CRC. 12 differential lipids are obtained to act as potential diagnostic markers of CA. PCs and fatty acids were the main dysregulated biomarkers for CA in serum.
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Affiliation(s)
- Hailin Zhou
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Yanying Nong
- Department of Gastroenterology, Ruikang Hospital Affilated to Guangxi University of Chinese Medicine, Nanning, Guangxi, 530011, PR China
| | - Yifan Zhu
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Yunxiao Liang
- Department of Gastroenterology, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, PR China
| | - Jiahao Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Hongwei Chen
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Pingchuan Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, Guangxi, 530004, PR China
| | - Qisong Zhang
- Medical College of Guangxi University, Guangxi University, Nanning, Guangxi, 530004, PR China.
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9
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Integrated Analysis of Transcriptome and Differential Methylation of Neurofibromatosis Type 2 Vestibular Schwannomas. World Neurosurg 2021; 157:e66-e76. [PMID: 34587518 DOI: 10.1016/j.wneu.2021.09.094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND Vestibular schwannoma is the third most common benign intracranial tumor that can occur sporadically or be associated with neurofibromatosis type 2 (neurofibromatosis type 2 vestibular schwannoma [NF2-VS]). The aim of this study is to provide a comprehensive bioinformatic analysis of methylated-differentially expressed genes (MDEGs) in NF2-VS. METHODS Transcriptional sequencing datasets (GSE141801 and GSE108524) and gene methylation microarrays (GSE56598) from the Gene Expression Omnibus database were used to identify and analyze MDEGs in NF2-VS. A protein-protein interaction (PPI) network was built, and the hub genes and modules were identified. Finally, potential pharmacotherapy targeting MDEGs were extracted for NF2-VS. RESULTS A total of 57 hypermethylation-low expression genes and 88 hypomethylation-high expression genes were identified. Pathways associated with aberrantly MDEGs included P13K-AKT, MAPK, and Ras, which were also involved in NF2-VS. Six hub genes (EGFR, CCND1, CD53, CSF1R, PLAU, and FGFR1) were identified from the PPI network. Modification of the aforementioned genes altered cell-to-cell communication, response to stimulus, cellular regulation, and membrane and protein bindings. Thirty drugs targeting these pathways were selected based on the hub genes. CONCLUSIONS Analysis of MDEGs may enrich the understanding of the molecular mechanisms of NF2-VS pathogenesis and lay the groundwork for potential biomarkers and therapeutic targets for NF2-VS.
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10
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Braun LA, Varpetyan EE, Zav’yalov GA, Kulikov FV, Marievskii VE, Tyul’ganova DA, Shishnenko AO, Stepanova DS, Shimanovskii NL. Metabolic Enzymes: New Targets for the Design of Antitumor Drugs. Pharm Chem J 2020. [DOI: 10.1007/s11094-020-02238-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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11
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Suppiah S, Nassiri F, Bi WL, Dunn IF, Hanemann CO, Horbinski CM, Hashizume R, James CD, Mawrin C, Noushmehr H, Perry A, Sahm F, Sloan A, Von Deimling A, Wen PY, Aldape K, Zadeh G. Molecular and translational advances in meningiomas. Neuro Oncol 2020; 21:i4-i17. [PMID: 30649490 DOI: 10.1093/neuonc/noy178] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Meningiomas are the most common primary intracranial neoplasm. The current World Health Organization (WHO) classification categorizes meningiomas based on histopathological features, but emerging molecular data demonstrate the importance of genomic and epigenomic factors in the clinical behavior of these tumors. Treatment options for symptomatic meningiomas are limited to surgical resection where possible and adjuvant radiation therapy for tumors with concerning histopathological features or recurrent disease. At present, alternative adjuvant treatment options are not available in part due to limited historical biological analysis and clinical trial investigation on meningiomas. With advances in molecular and genomic techniques in the last decade, we have witnessed a surge of interest in understanding the genomic and epigenomic landscape of meningiomas. The field is now at the stage to adopt this molecular knowledge to refine meningioma classification and introduce molecular algorithms that can guide prediction and therapeutics for this tumor type. Animal models that recapitulate meningiomas faithfully are in critical need to test new therapeutics to facilitate rapid-cycle translation to clinical trials. Here we review the most up-to-date knowledge of molecular alterations that provide insight into meningioma behavior and are ready for application to clinical trial investigation, and highlight the landscape of available preclinical models in meningiomas.
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Affiliation(s)
- Suganth Suppiah
- Division of Neurosurgery, University Health Network, University of Toronto, Ontario, Canada.,MacFeeters-Hamilton Center for Neuro-Oncology, Princess Margaret Cancer Center, Toronto, Ontario, Canada
| | - Farshad Nassiri
- Division of Neurosurgery, University Health Network, University of Toronto, Ontario, Canada.,MacFeeters-Hamilton Center for Neuro-Oncology, Princess Margaret Cancer Center, Toronto, Ontario, Canada
| | - Wenya Linda Bi
- Centre for Skull Base and Pituitary Surgery, Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ian F Dunn
- Centre for Skull Base and Pituitary Surgery, Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Clemens Oliver Hanemann
- Institute of Translational and Stratified Medicine, Peninsula Schools of Medicine and Dentistry, Plymouth University, Plymouth, United Kingdom
| | - Craig M Horbinski
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Rintaro Hashizume
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Charles David James
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Christian Mawrin
- Institute of Neuropathology, Otto-von-Guericke University, Magdeburg, Germany
| | - Houtan Noushmehr
- Department of Neurosurgery, Henry Ford Health System, Detroit, Michigan, USA
| | - Arie Perry
- Department of Pathology, University of California San Francisco, San Francisco, California, USA
| | - Felix Sahm
- Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Andrew Sloan
- Department of Neurological Surgery, University Hospital-Case Medical Center, Cleveland, Ohio, USA
| | - Andreas Von Deimling
- Department of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Patrick Y Wen
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Kenneth Aldape
- Department of Laboratory Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA.,MacFeeters-Hamilton Center for Neuro-Oncology, Princess Margaret Cancer Center, Toronto, Ontario, Canada
| | - Gelareh Zadeh
- Division of Neurosurgery, University Health Network, University of Toronto, Ontario, Canada.,MacFeeters-Hamilton Center for Neuro-Oncology, Princess Margaret Cancer Center, Toronto, Ontario, Canada
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12
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Haider T, Pandey V, Banjare N, Gupta PN, Soni V. Drug resistance in cancer: mechanisms and tackling strategies. Pharmacol Rep 2020; 72:1125-1151. [PMID: 32700248 DOI: 10.1007/s43440-020-00138-7] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 06/24/2020] [Accepted: 07/14/2020] [Indexed: 12/11/2022]
Abstract
Drug resistance developed towards conventional therapy is one of the important reasons for chemotherapy failure in cancer. The various underlying mechanism for drug resistance development in tumor includes tumor heterogeneity, some cellular levels changes, genetic factors, and others novel mechanisms which have been highlighted in the past few years. In the present scenario, researchers have to focus on these novel mechanisms and their tackling strategies. The small molecules, peptides, and nanotherapeutics have emerged to overcome the drug resistance in cancer. The drug delivery systems with targeting moiety enhance the site-specificity, receptor-mediated endocytosis, and increase the drug concentration inside the cells, thus minimizing drug resistance and improve their therapeutic efficacy. These therapeutic approaches work by modulating the different pathways responsible for drug resistance. This review focuses on the different mechanisms of drug resistance and the recent advancements in therapeutic approaches to improve the sensitivity and effectiveness of chemotherapeutics.
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Affiliation(s)
- Tanweer Haider
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India
| | - Vikas Pandey
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India
| | - Nagma Banjare
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India.,Formulation and Drug Delivery Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, J&K, India
| | - Prem N Gupta
- Formulation and Drug Delivery Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, J&K, India.
| | - Vandana Soni
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, 470003, Madhya Pradesh, India.
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Coy S, Rashid R, Stemmer-Rachamimov A, Santagata S. An update on the CNS manifestations of neurofibromatosis type 2. Acta Neuropathol 2020; 139:643-665. [PMID: 31161239 PMCID: PMC7038792 DOI: 10.1007/s00401-019-02029-5] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 05/23/2019] [Accepted: 05/25/2019] [Indexed: 12/21/2022]
Abstract
Neurofibromatosis type II (NF2) is a tumor predisposition syndrome characterized by the development of distinctive nervous system lesions. NF2 results from loss-of-function alterations in the NF2 gene on chromosome 22, with resultant dysfunction of its protein product merlin. NF2 is most commonly associated with the development of bilateral vestibular schwannomas; however, patients also have a predisposition to development of other tumors including meningiomas, ependymomas, and peripheral, spinal, and cranial nerve schwannomas. Patients may also develop other characteristic manifestations such as ocular lesions, neuropathies, meningioangiomatosis, and glial hamartia. NF2 has a highly variable clinical course, with some patients exhibiting a severe phenotype and development of multiple tumors at an early age, while others may be nearly asymptomatic throughout their lifetime. Despite the high morbidity associated with NF2 in severe cases, management of NF2-associated lesions primarily consists of surgical resection and treatment of symptoms, and there are currently no FDA-approved systemic therapies that address the underlying biology of the syndrome. Refinements to the diagnostic criteria of NF2 have been proposed over time due to increasing understanding of clinical and molecular data. Large-population studies have demonstrated that some features such as the development of gliomas and neurofibromas, currently included as diagnostic criteria, may require further clarification and modification. Meanwhile, burgeoning insights into the molecular biology of NF2 have shed light on the etiology and highly variable severity of the disease and suggested numerous putative molecular targets for therapeutic intervention. Here, we review the clinicopathologic features of NF2, current understanding of the molecular biology of NF2, particularly with regard to central nervous system lesions, ongoing therapeutic studies, and avenues for further research.
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Affiliation(s)
- Shannon Coy
- Division of Neuropathology, Department of Pathology, Brigham and Women's Hospital, Hale Building for Transformative Medicine, BTM8002P, 60 Fenwood Road, Boston, MA, 02115, USA
- Department of Pathology, Boston Children's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Rumana Rashid
- Division of Neuropathology, Department of Pathology, Brigham and Women's Hospital, Hale Building for Transformative Medicine, BTM8002P, 60 Fenwood Road, Boston, MA, 02115, USA
- Harvard Medical School, Boston, MA, USA
- Laboratory for Systems Pharmacology, Harvard Program in Therapeutic Science, Boston, MA, USA
| | - Anat Stemmer-Rachamimov
- Harvard Medical School, Boston, MA, USA
- Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Sandro Santagata
- Division of Neuropathology, Department of Pathology, Brigham and Women's Hospital, Hale Building for Transformative Medicine, BTM8002P, 60 Fenwood Road, Boston, MA, 02115, USA.
- Department of Pathology, Boston Children's Hospital, Boston, MA, USA.
- Harvard Medical School, Boston, MA, USA.
- Laboratory for Systems Pharmacology, Harvard Program in Therapeutic Science, Boston, MA, USA.
- Ludwig Center at Harvard, Boston, MA, USA.
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Choudhury A, Raleigh DR. Preclinical models of meningioma: Cell culture and animal systems. HANDBOOK OF CLINICAL NEUROLOGY 2020; 169:131-136. [PMID: 32553284 DOI: 10.1016/b978-0-12-804280-9.00008-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Meningioma is the most common primary intracranial tumor; yet there are no effective systemic or molecular therapies for meningioma patients. One of the primary barriers to understanding meningioma biology and identifying novel therapeutic targets is the lack of tractable preclinical models. While numerous model systems have been created for meningioma, many have fundamental drawbacks. This chapter details the strengths and limitations of existing meningioma models and suggests possible future model systems. Cell culture meningioma models consist of human meningioma cell lines derived from tumor resection specimens, but unfortunately, in vitro systems do not capture the histologic architecture, the tumor microenvironment, or the heterogeneity of meningiomas. Mouse meningioma systems range from genetically engineered mouse models (GEMMs) to patient-derived xenografts (PDXs) and overcome some of the limitations of cultured meningioma cells. However, many in vivo systems have poor reproducibility or fail to recapitulate important aspects of meningioma biology, such as tumor latency. Despite these drawbacks, new discoveries in meningioma biology and advances in the technologies used to develop model systems provide hope that more representative models of meningioma will be developed in the near future.
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Affiliation(s)
- Abrar Choudhury
- Brain Tumor Center, University of California San Francisco, San Francisco, CA, United States
| | - David R Raleigh
- Brain Tumor Center, University of California San Francisco, San Francisco, CA, United States.
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Magaway C, Kim E, Jacinto E. Targeting mTOR and Metabolism in Cancer: Lessons and Innovations. Cells 2019; 8:cells8121584. [PMID: 31817676 PMCID: PMC6952948 DOI: 10.3390/cells8121584] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 12/14/2022] Open
Abstract
Cancer cells support their growth and proliferation by reprogramming their metabolism in order to gain access to nutrients. Despite the heterogeneity in genetic mutations that lead to tumorigenesis, a common alteration in tumors occurs in pathways that upregulate nutrient acquisition. A central signaling pathway that controls metabolic processes is the mTOR pathway. The elucidation of the regulation and functions of mTOR can be traced to the discovery of the natural compound, rapamycin. Studies using rapamycin have unraveled the role of mTOR in the control of cell growth and metabolism. By sensing the intracellular nutrient status, mTOR orchestrates metabolic reprogramming by controlling nutrient uptake and flux through various metabolic pathways. The central role of mTOR in metabolic rewiring makes it a promising target for cancer therapy. Numerous clinical trials are ongoing to evaluate the efficacy of mTOR inhibition for cancer treatment. Rapamycin analogs have been approved to treat specific types of cancer. Since rapamycin does not fully inhibit mTOR activity, new compounds have been engineered to inhibit the catalytic activity of mTOR to more potently block its functions. Despite highly promising pre-clinical studies, early clinical trial results of these second generation mTOR inhibitors revealed increased toxicity and modest antitumor activity. The plasticity of metabolic processes and seemingly enormous capacity of malignant cells to salvage nutrients through various mechanisms make cancer therapy extremely challenging. Therefore, identifying metabolic vulnerabilities in different types of tumors would present opportunities for rational therapeutic strategies. Understanding how the different sources of nutrients are metabolized not just by the growing tumor but also by other cells from the microenvironment, in particular, immune cells, will also facilitate the design of more sophisticated and effective therapeutic regimen. In this review, we discuss the functions of mTOR in cancer metabolism that have been illuminated from pre-clinical studies. We then review key findings from clinical trials that target mTOR and the lessons we have learned from both pre-clinical and clinical studies that could provide insights on innovative therapeutic strategies, including immunotherapy to target mTOR signaling and the metabolic network in cancer.
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Pestoni JC, Klingeman Plati S, Valdivia Camacho OD, Fuse MA, Onatunde M, Sparrow NA, Karajannis MA, Fernández-Valle C, Franco MC. Peroxynitrite supports a metabolic reprogramming in merlin-deficient Schwann cells and promotes cell survival. J Biol Chem 2019; 294:11354-11368. [PMID: 31171721 PMCID: PMC6663865 DOI: 10.1074/jbc.ra118.007152] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 05/31/2019] [Indexed: 12/22/2022] Open
Abstract
Neurofibromatosis type 2 (NF2) is an autosomal-dominant disorder characterized by the development of bilateral vestibular schwannomas. The NF2 gene encodes the tumor suppressor merlin, and loss of merlin activity promotes tumorigenesis and causes NF2. Cellular redox signaling has been implicated in different stages of tumor development. Among reactive nitrogen species, peroxynitrite is the most powerful oxidant produced by cells. We recently showed that peroxynitrite-mediated tyrosine nitration down-regulates mitochondrial metabolism in tumor cells. However, whether peroxynitrite supports a metabolic shift that could be exploited for therapeutic development is unknown. Here, we show that vestibular schwannomas from NF2 patients and human, merlin-deficient (MD) Schwann cells have high levels of endogenous tyrosine nitration, indicating production of peroxynitrite. Furthermore, scavenging or inhibiting peroxynitrite formation significantly and selectively decreased survival of human and mouse MD-Schwann cells. Using multiple complementary methods, we also found that merlin deficiency leads to a reprogramming of energy metabolism characterized by a peroxynitrite-dependent decrease of oxidative phosphorylation and increased glycolysis and glutaminolysis. In MD-Schwann cells, scavenging of peroxynitrite increased mitochondrial oxygen consumption and membrane potential, mediated by the up-regulation of the levels and activity of mitochondrial complex IV. This increase in mitochondrial activity correlated with a decrease in the glycolytic rate and glutamine dependence. This is the first demonstration of a peroxynitrite-dependent reprogramming of energy metabolism in tumor cells. Oxidized proteins constitute a novel target for therapeutic development not only for the treatment of NF2 schwannomas but also other tumors in which peroxynitrite plays a regulatory role.
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Affiliation(s)
- Jeanine C Pestoni
- Department of Biochemistry and Biophysics, College of Science, Oregon State University, Corvallis, Oregon 97331
| | - Stephani Klingeman Plati
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827
| | - Oliver D Valdivia Camacho
- Department of Biochemistry and Biophysics, College of Science, Oregon State University, Corvallis, Oregon 97331
| | - Marisa A Fuse
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827
| | - Maria Onatunde
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827
| | - Nicklaus A Sparrow
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827
| | - Matthias A Karajannis
- Department of Pediatrics and Otolaryngology, NYU Langone Health, New York, New York 10016
| | - Cristina Fernández-Valle
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827
| | - Maria Clara Franco
- Department of Biochemistry and Biophysics, College of Science, Oregon State University, Corvallis, Oregon 97331
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The evolution and multi-molecular properties of NF1 cutaneous neurofibromas originating from C-fiber sensory endings and terminal Schwann cells at normal sites of sensory terminations in the skin. PLoS One 2019; 14:e0216527. [PMID: 31107888 PMCID: PMC6527217 DOI: 10.1371/journal.pone.0216527] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 04/24/2019] [Indexed: 12/30/2022] Open
Abstract
In addition to large plexiform neurofibromas (pNF), NF1 patients are frequently disfigured by cutaneous neurofibromas (cNF) and are often afflicted with chronic pain and itch even from seemingly normal skin areas. Both pNFs and cNF consist primarily of benign hyperproliferating nonmyelinating Schwann cells (nSC). While pNF clearly arise within deep nerves and plexuses, the role of cutaneous innervation in the origin of cNF and in chronic itch and pain is unknown. First, we conducted a comprehensive, multi-molecular, immunofluorescence (IF) analyses on 3mm punch biopsies from three separate locations in normal appearing, cNF-free skin in 19 NF1 patients and skin of 16 normal subjects. At least one biopsy in 17 NF1 patients had previously undescribed micro-lesions consisting of a small, dense cluster of nonpeptidergic C-fiber endings and the affiliated nSC consistently adjoining adnexal structures—dermal papillae, hair follicles, sweat glands, sweat ducts, and arterioles—where C-fiber endings normally terminate. Similar micro-lesions were detected in hind paw skin of mice with conditionally-induced SC Nf1-/- mutations. Hypothesizing that these microlesions were pre-cNF origins of cNF, we subsequently analyzed numerous overt, small cNF (s-cNF, 3–6 mm) and discovered that each had an adnexal structure at the epicenter of vastly increased nonpeptidergic C-fiber terminals, accompanied by excessive nSC. The IF and functional genomics assays indicated that neurturin (NTRN) and artemin (ARTN) signaling through cRET kinase and GFRα2 and GFRα3 co-receptors on the aberrant C-fiber endings and nSC may mutually promote the onset of pre-cNF and their evolution to s-cNF. Moreover, TrpA1 and TrpV1 receptors may, respectively, mediate symptoms of chronic itch and pain. These newly discovered molecular characteristics might be targeted to suppress the development of cNF and to treat chronic itch and pain symptoms in NF1 patients.
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Cell contact and Nf2/Merlin-dependent regulation of TEAD palmitoylation and activity. Proc Natl Acad Sci U S A 2019; 116:9877-9882. [PMID: 31043565 DOI: 10.1073/pnas.1819400116] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The Hippo pathway is involved in regulating contact inhibition of proliferation and organ size control and responds to various physical and biochemical stimuli. It is a kinase cascade that negatively regulates the activity of cotranscription factors YAP and TAZ, which interact with DNA binding transcription factors including TEAD and activate the expression of target genes. In this study, we show that the palmitoylation of TEAD, which controls the activity and stability of TEAD proteins, is actively regulated by cell density independent of Lats, the key kinase of the Hippo pathway. The expression of fatty acid synthase and acetyl-CoA carboxylase involved in de novo biosynthesis of palmitate is reduced by cell density in an Nf2/Merlin-dependent manner. Depalmitoylation of TEAD is mediated by depalmitoylases including APT2 and ABHD17A. Palmitoylation-deficient TEAD4 mutant is unstable and degraded by proteasome through the activity of the E3 ubiquitin ligase CHIP. These findings show that TEAD activity is tightly controlled through the regulation of palmitoylation and stability via the orchestration of FASN, depalmitoylases, and E3 ubiquitin ligase in response to cell contact.
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