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Trejo-Villegas OA, Heijink IH, Ávila-Moreno F. Preclinical evidence in the assembly of mammalian SWI/SNF complexes: Epigenetic insights and clinical perspectives in human lung disease therapy. Mol Ther 2024; 32:2470-2488. [PMID: 38910326 DOI: 10.1016/j.ymthe.2024.06.026] [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: 12/11/2023] [Revised: 04/18/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024] Open
Abstract
The SWI/SNF complex, also known as the BRG1/BRM-associated factor (BAF) complex, represents a critical regulator of chromatin remodeling mechanisms in mammals. It is alternatively referred to as mSWI/SNF and has been suggested to be imbalanced in human disease compared with human health. Three types of BAF assemblies associated with it have been described, including (1) canonical BAF (cBAF), (2) polybromo-associated BAF (PBAF), and (3) non-canonical BAF (ncBAF) complexes. Each of these BAF assemblies plays a role, either functional or dysfunctional, in governing gene expression patterns, cellular processes, epigenetic mechanisms, and biological processes. Recent evidence increasingly links the dysregulation of mSWI/SNF complexes to various human non-malignant lung chronic disorders and lung malignant diseases. This review aims to provide a comprehensive general state-of-the-art and a profound examination of the current understanding of mSWI/SNF assembly processes, as well as the structural and functional organization of mSWI/SNF complexes and their subunits. In addition, it explores their intricate functional connections with potentially dysregulated transcription factors, placing particular emphasis on molecular and cellular pathogenic processes in lung diseases. These processes are reflected in human epigenome aberrations that impact clinical and therapeutic levels, suggesting novel perspectives on the diagnosis and molecular therapies for human respiratory diseases.
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Affiliation(s)
- Octavio A Trejo-Villegas
- Lung Diseases and Functional Epigenomics Laboratory (LUDIFE), Biomedicine Research Unit (UBIMED), Facultad de Estudios Superiores-Iztacala (FES-Iztacala), Universidad Nacional Autónoma de México (UNAM), Avenida de los Barrios #1, Colonia Los Reyes Iztacala, Tlalnepantla de Baz, 54090, Estado de México, México
| | - Irene H Heijink
- Departments of Pathology & Medical Biology and Pulmonology, GRIAC Research Institute, University Medical Center Groningen, University of Groningen, 9713 Groningen, the Netherlands
| | - Federico Ávila-Moreno
- Lung Diseases and Functional Epigenomics Laboratory (LUDIFE), Biomedicine Research Unit (UBIMED), Facultad de Estudios Superiores-Iztacala (FES-Iztacala), Universidad Nacional Autónoma de México (UNAM), Avenida de los Barrios #1, Colonia Los Reyes Iztacala, Tlalnepantla de Baz, 54090, Estado de México, México; Research Unit, Instituto Nacional de Enfermedades Respiratorias (INER), Ismael Cosío Villegas, 14080, Ciudad de México, México; Research Tower, Subdirección de Investigación Básica, Instituto Nacional de Cancerología (INCan), 14080, Ciudad de México, México.
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Kontomanolis EN, Symeonidis P, Nikolettos K, Perros P, Rody A, Tsikouras P, Nikolettos N, Giatromanolaki A. ARID1 and BRG1 Expression in Endometrial Cancer. In Vivo 2024; 38:1260-1265. [PMID: 38688602 PMCID: PMC11059895 DOI: 10.21873/invivo.13563] [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: 12/10/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND/AIM Endometrial cancer (EC) is the predominant malignancy among gynecologic cancers and ranks fourth among all types of cancer. Recently, researchers have focused on the development of new prognostic biomarkers. Subunits of the SWI/SNF protein complex, like the ARID1 and BRG1, have been associated with the development of endometrial cancer. The present study aimed to evaluate the expression patterns of ARID1A and BRG1 in a collection of endometrioid adenocarcinomas of the uterus using immunohistochemistry. PATIENTS AND METHODS The study comprised a total of thirty-three individuals diagnosed with stage I endometrioid endometrial cancer, treated with radical hysterectomy. The histological material was then examined to assess the cytoplasmic and nuclear expression of the proteins. RESULTS ARID1A exhibited expression in both the cytoplasm and nucleus of cancer cells, whereas BRG1 was mainly expressed in the nuclei. In addition, ARID1A exhibited a notable decrease in expression in grade 3 histology, with no significant correlation with the depth of myometrial invasion. The reduced expression was highly related to tumor expansion into the endocervix. The findings demonstrated a total absence of ARID1A expression in 27% of endometrioid carcinomas, with a significant reduction in expression in an additional 51% of cancer cells. These findings align with the most recent published data. In contrast, in the current study, BRG1 was rarely down-regulated and was extensively expressed in the majority of endometrioid carcinomas, preventing the possibility of statistical analysis. CONCLUSION In summary, ARID1A expression loss can be used as a biomarker to guide post-operative therapy; however, further investigation is needed, especially for early-stage endometrial cancer.
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Affiliation(s)
- Emmanuel N Kontomanolis
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece;
| | - Panagiotis Symeonidis
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Konstantinos Nikolettos
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Paraskevas Perros
- 1 Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, General Hospital of Athens 'ALEXANDRA', Athens, Greece;
| | - Achim Rody
- Department of Obstetrics and Gynecology, University Hospital, Schleswig-Holstein, Luebeck, Germany
| | - Panagiotis Tsikouras
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Nikolaos Nikolettos
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
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Li JJ, Lee CS. The Role of the AT-Rich Interaction Domain 1A Gene ( ARID1A) in Human Carcinogenesis. Genes (Basel) 2023; 15:5. [PMID: 38275587 PMCID: PMC10815128 DOI: 10.3390/genes15010005] [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: 11/13/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
The switch/sucrose non-fermentable (SWI/SNF) (SWI/SNF) complex uses energy from ATP hydrolysis to mobilise nucleosomes on chromatin. Components of SWI/SNF are mutated in 20% of all human cancers, of which mutations in AT-rich binding domain protein 1A (ARID1A) are the most common. ARID1A is mutated in nearly half of ovarian clear cell carcinoma and around one-third of endometrial and ovarian carcinomas of the endometrioid type. This review will examine in detail the molecular functions of ARID1A, including its role in cell cycle control, enhancer regulation, and the prevention of telomerase activity. ARID1A has key roles in the maintenance of genomic integrity, including DNA double-stranded break repair, DNA decatenation, integrity of the cohesin complex, and reduction in replication stress, and is also involved in mismatch repair. The role of ARID1A loss in the pathogenesis of some of the most common human cancers is discussed, with a particular emphasis on gynaecological cancers. Finally, several promising synthetic lethal strategies, which exploit the specific vulnerabilities of ARID1A-deficient cancer cells, are briefly mentioned.
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Affiliation(s)
- Jing Jing Li
- Department of Anatomical Pathology, Liverpool Hospital, Liverpool, NSW 2170, Australia;
- Ingham Institute for Applied Medical Research, Liverpool, NSW 2170, Australia
| | - Cheok Soon Lee
- Department of Anatomical Pathology, Liverpool Hospital, Liverpool, NSW 2170, Australia;
- Discipline of Pathology, School of Medicine, Western Sydney University, Sydney, NSW 2560, Australia
- South Western Sydney Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW 2010, Australia
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Land G, Van Haeringen B, Cooper C, Andelkovic V, O'Rourke T. A Rare Case of Rhabdoid Pancreatic Carcinoma: Prolonged Disease-Free Survival Following Upfront Resection and Adjuvant Chemotherapy. Cureus 2023; 15:e50145. [PMID: 38186431 PMCID: PMC10771581 DOI: 10.7759/cureus.50145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2023] [Indexed: 01/09/2024] Open
Abstract
The rhabdoid subtype of undifferentiated pancreatic carcinoma is rarely reported. The clinical course of this disease is therefore poorly understood, although it is apparently an aggressive malignancy. We herein discuss the case of a 69-year-old man presenting with a rapidly enlarging mass of the pancreatic body and tail who was diagnosed with locally advanced SMARCB1-deficient undifferentiated pancreatic carcinoma with rhabdoid features, treated with radical resection and adjuvant chemotherapy, and has achieved 18-month disease-free survival ongoing at the time of article publication. We identify and contrast our case with 15 similar tumors reported in the English literature, briefly discuss the biology of this tumor, its relationship to malignant rhabdoid tumors of childhood, the role of SMARCB1 and its parent complex switch/sucrose-non-fermentable chromatin remodeling complex (SWI/SNF) in modulating the behavior of pancreatic malignancy, and the potential therapeutic avenues available for SWI/SNF-mutated malignancies.
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Affiliation(s)
- Gabriel Land
- General Surgery, Princess Alexandra Hospital, Brisbane, AUS
| | | | - Caroline Cooper
- Anatomical Pathology, Princess Alexandra Hospital, Brisbane, AUS
| | | | - Thomas O'Rourke
- Hepatobiliary Surgery, Princess Alexandra Hospital, Brisbane, AUS
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Jin F, Yang Z, Shao J, Tao J, Reißfelder C, Loges S, Zhu L, Schölch S. ARID1A mutations in lung cancer: biology, prognostic role, and therapeutic implications. Trends Mol Med 2023; 29:646-658. [PMID: 37179132 DOI: 10.1016/j.molmed.2023.04.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023]
Abstract
Mutations in the AT-interacting domain-rich protein 1A (ARID1A) gene, a critical component of the switch/sucrose nonfermentable (SWI/SNF) complex, are frequently found in most human cancers. Approximately 5-10% of lung cancers carry ARID1A mutations. ARID1A loss in lung cancer correlates with clinicopathological features and poor prognosis. Co-mutation of ARID1A and epidermal growth factor receptor (EGFR) results in the limited efficacy of EGFR tyrosine kinase inhibitors (EGFR-TKIs) but increases the clinical benefit of immune checkpoint inhibitors (ICIs). ARID1A gene mutation plays a role in cell cycle regulation, metabolic reprogramming, and epithelial-mesenchymal transition. We present the first comprehensive review of the relationship between ARID1A gene mutations and lung cancer and discuss the potential of ARID1A as a new molecular target.
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Affiliation(s)
- Fukang Jin
- JCCU Translational Surgical Oncology (A430), German Cancer Research Center (DKFZ), Heidelberg, Germany; DKFZ-Hector Cancer Institute, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Zhiguang Yang
- Department of Thoracic Surgery, The First Hospital of Jilin University, Jilin, China
| | - Jingbo Shao
- Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jianxin Tao
- JCCU Translational Surgical Oncology (A430), German Cancer Research Center (DKFZ), Heidelberg, Germany; DKFZ-Hector Cancer Institute, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Christoph Reißfelder
- DKFZ-Hector Cancer Institute, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sonja Loges
- DKFZ-Hector Cancer Institute, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Division of Personalized Medical Oncology (A420), German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Personalized Oncology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Lei Zhu
- JCCU Translational Surgical Oncology (A430), German Cancer Research Center (DKFZ), Heidelberg, Germany; DKFZ-Hector Cancer Institute, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
| | - Sebastian Schölch
- JCCU Translational Surgical Oncology (A430), German Cancer Research Center (DKFZ), Heidelberg, Germany; DKFZ-Hector Cancer Institute, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
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Mandal J, Mandal P, Wang TL, Shih IM. Treating ARID1A mutated cancers by harnessing synthetic lethality and DNA damage response. J Biomed Sci 2022; 29:71. [PMID: 36123603 PMCID: PMC9484255 DOI: 10.1186/s12929-022-00856-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/13/2022] [Indexed: 11/10/2022] Open
Abstract
Chromatin remodeling is an essential cellular process for organizing chromatin structure into either open or close configuration at specific chromatin locations by orchestrating and modifying histone complexes. This task is responsible for fundamental cell physiology including transcription, DNA replication, methylation, and damage repair. Aberrations in this activity have emerged as epigenomic mechanisms in cancer development that increase tumor clonal fitness and adaptability amidst various selection pressures. Inactivating mutations in AT-rich interaction domain 1A (ARID1A), a gene encoding a large nuclear protein member belonging to the SWI/SNF chromatin remodeling complex, result in its loss of expression. ARID1A is the most commonly mutated chromatin remodeler gene, exhibiting the highest mutation frequency in endometrium-related uterine and ovarian carcinomas. As a tumor suppressor gene, ARID1A is essential for regulating cell cycle, facilitating DNA damage repair, and controlling expression of genes that are essential for maintaining cellular differentiation and homeostasis in non-transformed cells. Thus, ARID1A deficiency due to somatic mutations propels tumor progression and dissemination. The recent success of PARP inhibitors in treating homologous recombination DNA repair-deficient tumors has engendered keen interest in developing synthetic lethality-based therapeutic strategies for ARID1A-mutated neoplasms. In this review, we summarize recent advances in understanding the biology of ARID1A in cancer development, with special emphasis on its roles in DNA damage repair. We also discuss strategies to harness synthetic lethal mechanisms for future therapeutics against ARID1A-mutated cancers.
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Affiliation(s)
- Jayaprakash Mandal
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Tian-Li Wang
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Ie-Ming Shih
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, USA.
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