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Del Rio D, Masi I, Caprara V, Ottavi F, Albertini Petroni G, Salvati E, Trisciuoglio D, Giannitelli SM, Bagnato A, Mauri E, Spadaro F, Rosanò L. The β-arrestin1/endothelin axis bolsters ovarian fibroblast-dependent invadosome activity and cancer cell metastatic potential. Cell Death Dis 2024; 15:358. [PMID: 38777849 PMCID: PMC11111729 DOI: 10.1038/s41419-024-06730-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 05/06/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
Recruitment of fibroblasts to tumors and their activation into cancer-associated fibroblasts (CAFs) is a strategy used by tumor cells to direct extracellular matrix (ECM) remodeling, invasion, and metastasis, highlighting the need to investigate the molecular mechanisms driving CAF function. Endothelin-1 (ET-1) regulates the communication between cancer and stroma and facilitates the progression of serous ovarian cancer (SOC). By binding to Endothelin A (ETA) and B (ETB) receptors, ET-1 enables the recruitment of β-arrestin1 (β-arr1) and the formation of signaling complexes that coordinate tumor progression. However, how ET-1 receptors might "educate" human ovarian fibroblasts (HOFs) to produce altered ECM and promote metastasis remains to be elucidated. This study identifies ET-1 as a pivotal factor in the activation of CAFs capable of proteolytic ECM remodeling and the generation of heterotypic spheroids containing cancer cells with a propensity to metastasize. An autocrine/paracrine ET-1/ETA/BR/β-arr1 loop enhances HOF proliferation, upregulates CAF marker expression, secretes pro-inflammatory cytokines, and increases collagen contractility, and cell motility. Furthermore, ET-1 facilitates ECM remodeling by promoting the lytic activity of invadosome and activation of integrin β1. In addition, ET-1 signaling supports the formation of heterotypic HOF/SOC spheroids with enhanced ability to migrate through the mesothelial monolayer, and invade, representing metastatic units. The blockade of ETA/BR or β-arr1 silencing prevents CAF activation, invadosome function, mesothelial clearance, and the invasive ability of heterotypic spheroids. In vivo, therapeutic inhibition of ETA/BR using bosentan (BOS) significantly reduces the metastatic potential of combined HOFs/SOC cells, associated with enhanced apoptotic effects on tumor cells and stromal components. These findings support a model in which ET-1/β-arr1 reinforces tumor/stroma interaction through CAF activation and fosters the survival and metastatic properties of SOC cells, which could be counteracted by ETA/BR antagonists.
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Affiliation(s)
- Danila Del Rio
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy
| | - Ilenia Masi
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy
| | - Valentina Caprara
- Unit of Preclinical Models and New Therapeutic Agents, IRCCS-Regina Elena National Cancer Institute, Rome, 00144, Italy
| | - Flavia Ottavi
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy
| | - Gabriele Albertini Petroni
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy
| | - Erica Salvati
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy
| | - Daniela Trisciuoglio
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy
| | - Sara Maria Giannitelli
- Department of Science and Technology for Sustainable Development and One Health, University Campus Bio-Medico di Roma, Rome, 00128, Italy
| | - Anna Bagnato
- Unit of Preclinical Models and New Therapeutic Agents, IRCCS-Regina Elena National Cancer Institute, Rome, 00144, Italy
| | - Emanuele Mauri
- Department of Chemistry Materials and Chemical Engineering, University Politecnico di Milano, 20133, Milano, Italy
| | - Francesca Spadaro
- Confocal Microscopy Unit, Core Facilities, Istituto Superiore di Sanità, Rome, 00161, Italy
| | - Laura Rosanò
- Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, 00185, Italy.
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Yoo W, Kim AK, Kook HU, Noh K. Comprehensive analysis on clinical significance and therapeutic targets of LDL receptor related protein 11 (LRP11) in liver hepatocellular carcinoma. Front Pharmacol 2024; 15:1338929. [PMID: 38425648 PMCID: PMC10902445 DOI: 10.3389/fphar.2024.1338929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/31/2024] [Indexed: 03/02/2024] Open
Abstract
LDL lipoprotein receptor-related protein 11 (LRP11) plays a role in several tumors. However, their roles in hepatocellular carcinoma remain unclear. The present study aimed to explore the expression profile and prognostic value of LRP11 in liver hepatocellular carcinoma (LIHC) patients using various cancer databases and bioinformatic tools. In bioinformatics analysis, The Cancer Genome Atlas datasets showed increased LRP11 expression in tumor tissues compared to that in non-tumor tissues in various cancers. Moreover, patients with high expression LRP11 correlated with poor prognosis and clinical features. The LRP11 expression positively correlated with the infiltration of immune cells such as macrophages, neutrophils, and myeloid-derived suppressor cells and a combination of high LRP11 expression and high immune infiltrates was associated with the worst survival in LIHC tumors. Our results also indicated that LRP11 expression was closely associated with immune-modulate function, such as antigen presentation. In DNA methylation profiling, hypomethylation of LRP11 is widely observed in tumors and has prognostic value in LIHC patients. Functional enrichment analysis revealed that LIHC-specific LRP11 interacting genes are involved in protein binding, intracellular processing, and G-protein-related signaling pathways. Analyses of drug sensitivity and immune checkpoint inhibitor predict a number of drugs that could potentially be used to target LRP11. In addition, in vitro experiments verified the promoting effect of LRP11 on the migration, invasion, and colony formation capacity of hepatocellular carcinoma cells. Collectively, our results aided a better understanding of the clinical significance of LRP11 in gene expression, functional interactions, and epigenetic regulation in LIHC and suggested that it may be a useful prognostic biomarker for LIHC patients.
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Affiliation(s)
- Wonbeak Yoo
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Ae-Kyeong Kim
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Hae Un Kook
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Kyunghee Noh
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Nanobiotechnology, University of Science and Technology (UST), Daejeon, Republic of Korea
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Gautam P, Gupta S, Sachan M. Genome-wide expression profiling reveals novel biomarkers in epithelial ovarian cancer. Pathol Res Pract 2023; 251:154840. [PMID: 37844484 DOI: 10.1016/j.prp.2023.154840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/26/2023] [Accepted: 09/30/2023] [Indexed: 10/18/2023]
Abstract
Epithelial ovarian cancer (EOC) is the most aggressive and frequent malignancy detected among women worldwide. The pathophysiology of OC should, therefore be better understood to identify diagnostic, prognostic, and predictive novel biomarkers necessary for early detection, management, and prognostication. In this study, we aimed to investigate transcriptomic landscape and biomarker through RNA-seq data analysis. Further analysis by Protein Protein network identified top 10 Differentially Expressed Genes (DEGs). KEGG pathway enrichment analysis revealed the significant enrichment of DEGs in basal cell carcinoma, cell cycle and FoxO signalling pathway. The RNA-seq results of 10 DEGs were validated by QRT-PCR and TCGA database. Correlation studies were also performed between gene expression and clinical characteristics followed by survival analysis. Finally, 8 DEGs (CDKN1A, BCL6, CDC45, WNT2, TLR5, AQP5) including two novel DEGs (CSN1S1 and NKILA) were identified showing significant correlations with EOC characteristics. These may serve as interesting biomarkers and novel treatment targets and warrant further investigation into the functional outcome of EOC.
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Affiliation(s)
- Priyanka Gautam
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Allahabad, Prayagraj 211004, India
| | - Sameer Gupta
- Department of Surgical Oncology, King George Medical University, Lucknow, India
| | - Manisha Sachan
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Allahabad, Prayagraj 211004, India.
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Wess J, Oteng AB, Rivera-Gonzalez O, Gurevich EV, Gurevich VV. β-Arrestins: Structure, Function, Physiology, and Pharmacological Perspectives. Pharmacol Rev 2023; 75:854-884. [PMID: 37028945 PMCID: PMC10441628 DOI: 10.1124/pharmrev.121.000302] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 03/23/2023] [Accepted: 04/03/2023] [Indexed: 04/09/2023] Open
Abstract
The two β-arrestins, β-arrestin-1 and -2 (systematic names: arrestin-2 and -3, respectively), are multifunctional intracellular proteins that regulate the activity of a very large number of cellular signaling pathways and physiologic functions. The two proteins were discovered for their ability to disrupt signaling via G protein-coupled receptors (GPCRs) via binding to the activated receptors. However, it is now well recognized that both β-arrestins can also act as direct modulators of numerous cellular processes via either GPCR-dependent or -independent mechanisms. Recent structural, biophysical, and biochemical studies have provided novel insights into how β-arrestins bind to activated GPCRs and downstream effector proteins. Studies with β-arrestin mutant mice have identified numerous physiologic and pathophysiological processes regulated by β-arrestin-1 and/or -2. Following a short summary of recent structural studies, this review primarily focuses on β-arrestin-regulated physiologic functions, with particular focus on the central nervous system and the roles of β-arrestins in carcinogenesis and key metabolic processes including the maintenance of glucose and energy homeostasis. This review also highlights potential therapeutic implications of these studies and discusses strategies that could prove useful for targeting specific β-arrestin-regulated signaling pathways for therapeutic purposes. SIGNIFICANCE STATEMENT: The two β-arrestins, structurally closely related intracellular proteins that are evolutionarily highly conserved, have emerged as multifunctional proteins able to regulate a vast array of cellular and physiological functions. The outcome of studies with β-arrestin mutant mice and cultured cells, complemented by novel insights into β-arrestin structure and function, should pave the way for the development of novel classes of therapeutically useful drugs capable of regulating specific β-arrestin functions.
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Affiliation(s)
- Jürgen Wess
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland (J.W., A.-B.O., O.R.-G.); and Department of Pharmacology, Vanderbilt University, Nashville, Tennessee (E.V.G., V.V.G.)
| | - Antwi-Boasiako Oteng
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland (J.W., A.-B.O., O.R.-G.); and Department of Pharmacology, Vanderbilt University, Nashville, Tennessee (E.V.G., V.V.G.)
| | - Osvaldo Rivera-Gonzalez
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland (J.W., A.-B.O., O.R.-G.); and Department of Pharmacology, Vanderbilt University, Nashville, Tennessee (E.V.G., V.V.G.)
| | - Eugenia V Gurevich
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland (J.W., A.-B.O., O.R.-G.); and Department of Pharmacology, Vanderbilt University, Nashville, Tennessee (E.V.G., V.V.G.)
| | - Vsevolod V Gurevich
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland (J.W., A.-B.O., O.R.-G.); and Department of Pharmacology, Vanderbilt University, Nashville, Tennessee (E.V.G., V.V.G.)
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Saecker L, Häberlein H, Franken S. Investigation of adenosine A1 receptor-mediated β-arrestin 2 recruitment using a split-luciferase assay. Front Pharmacol 2023; 14:1172551. [PMID: 37324481 PMCID: PMC10268005 DOI: 10.3389/fphar.2023.1172551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/15/2023] [Indexed: 06/17/2023] Open
Abstract
Background: Adenosine A1 receptor (A1AR) plays a prominent role in neurological and cardiac diseases and inflammatory processes. Its endogenous ligand adenosine is known to be one of the key players in the sleep-wake cycle. Like other G protein-coupled receptors (GPCRs), stimulation of A1AR leads to the recruitment of arrestins in addition to the activation of G proteins. So far, little is known about the role of these proteins in signal transduction and regulation of A1AR compared to the activation of G proteins. In this work, we characterized a live cell assay for A1AR-mediated β-arrestin 2 recruitment. We have applied this assay to a set of different compounds that interact with this receptor. Methods: Based on NanoBit® technology, a protein complementation assay was developed in which the A1AR is coupled to the large part of the nanoluciferase (LgBiT), whereas its small part (SmBiT) is fused to the N-terminus of β-arrestin 2. Stimulation of A1AR results in the recruitment of β-arrestin 2 and subsequent complementation of a functional nanoluciferase. For comparison, corresponding data on the effect of receptor stimulation on intracellular cAMP levels were collected for some data sets using the GloSensor™ assay. Results: The assay gives highly reproducible results with a very good signal-to-noise ratio. Capadenoson, in contrast to adenosine, CPA, or NECA, shows only partial agonism in this assay with respect to the recruitment of β-arrestin 2, whereas it shows full agonism in the case of the inhibitory effect of A1AR on cAMP production. By using a GRK2 inhibitor, it becomes clear that the recruitment is at least partially dependent on the phosphorylation of the receptor by this kinase. Interestingly, this was also the first time that we demonstrate the A1AR-mediated recruitment of β-arrestin 2 by stimulation with a valerian extract. Conclusion: The presented assay is a useful tool for the quantitative study of A1AR-mediated β-arrestin 2 recruitment. It allows data collection for stimulatory, inhibitory, and modulatory substances and is also suitable for more complex substance mixtures such as valerian extract.
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Ye Y, Jiang H, Wu Y, Wang G, Huang Y, Sun W, Zhang M. Role of ARRB1 in prognosis and immunotherapy: A Pan-Cancer analysis. Front Mol Biosci 2022; 9:1001225. [PMID: 36213111 PMCID: PMC9538973 DOI: 10.3389/fmolb.2022.1001225] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Background: β-arrestin1 (ARRB1), was originally identified as a multifunctional adaptor protein. Although ARRB1 has recently been shown to also play an important role in tumor growth, metastasis, inflammation, and immunity, its relationship with distinct tumor types and the tumor immune microenvironment remains unclear.Methods: We analyzed the ARRB1 expression profile and clinical characteristics in 33 cancer types using datasets from The Cancer Genome Atlas (TCGA) database. Clinical parameters such as patient survival, tumor stage, age, and gender were used to assess the prognostic value of ARRB1. The Human Protein Atlas (HPA) database was used to explore ARRB1 protein expression data. ESTIMATE and CIBERSORT algorithms were performed to assess immune infiltration. Furthermore, putative correlations between ARRB1 and tumor-infiltrating immune cells, the signatures of T-cell subtypes, immunomodulators, the tumor mutation burden (TMB), Programmed cell death ligand 1 (PD-L1), and microsatellite instability (MSI) were also explored. Gene functional enrichment was determined using GSEA. GSE40435 and GSE13213 cohorts were used to validate the correlation of ARRB1 with KIRC and LUAD clinicopathological parameters. Finally, the relationship between ARRB1 and immunotherapeutic responses was assessed using three independent immunotherapy cohorts, namely, GSE67501, GSE168204, and IMvigor210.Results: We found that ARRB1 expression levels were lower in 17 tumor tissues than in the corresponding normal tissues. We further found that ARRB1 expression was significantly correlated with tumor stage in BRCA, ESCA, KIRC, TGCT, and THCA, while in some tumors, particularly KIRC and LUAD, ARRB1 expression was associated with better prognosis. ARRB1 expression was also positively correlated with the stromal score or the immune score in some tumors. Regarding immune cell infiltration, ARRB1 expression in DLBC was positively correlated with M1 macrophage content and negatively correlated with B-cell infiltration. Additionally, there was a broad correlation between ARRB1 expression and three classes of immunomodulators. Furthermore, high ARRB1 expression levels were significantly correlated with some tumor immune-related pathways. Finally, ARRB1 expression was significantly associated with MSI, PD-L1, and TMB in some tumors and with the efficacy of immune checkpoint inhibitors (ICIs) in melanoma.Conclusion: ARRB1 has prognostic value in malignant tumors, especially in KIRC and LUAD. At the same time, ARRB1 was closely correlated with the tumor immune microenvironment and indicators of immunotherapy efficacy, indicating its great potential as a reliable marker for predicting the efficacy of immunotherapy.
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Affiliation(s)
- Yingquan Ye
- Oncology Department of Integrated Traditional Chinese and Western Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Traditional and Western Medicine (TCM)-Integrated Cancer Center of Anhui Medical University, Hefei, China
| | - Haili Jiang
- Oncology Department of Integrated Traditional Chinese and Western Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Traditional and Western Medicine (TCM)-Integrated Cancer Center of Anhui Medical University, Hefei, China
| | - Yue Wu
- Oncology Department of Integrated Traditional Chinese and Western Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Traditional and Western Medicine (TCM)-Integrated Cancer Center of Anhui Medical University, Hefei, China
| | - Gaoxiang Wang
- Oncology Department of Integrated Traditional Chinese and Western Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Traditional and Western Medicine (TCM)-Integrated Cancer Center of Anhui Medical University, Hefei, China
| | - Yi Huang
- Oncology Department of Integrated Traditional Chinese and Western Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Traditional and Western Medicine (TCM)-Integrated Cancer Center of Anhui Medical University, Hefei, China
| | - Weijie Sun
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- *Correspondence: Weijie Sun, ; Mei Zhang,
| | - Mei Zhang
- Oncology Department of Integrated Traditional Chinese and Western Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- The Traditional and Western Medicine (TCM)-Integrated Cancer Center of Anhui Medical University, Hefei, China
- *Correspondence: Weijie Sun, ; Mei Zhang,
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Fasciani I, Carli M, Petragnano F, Colaianni F, Aloisi G, Maggio R, Scarselli M, Rossi M. GPCRs in Intracellular Compartments: New Targets for Drug Discovery. Biomolecules 2022; 12:1343. [PMID: 36291552 PMCID: PMC9599219 DOI: 10.3390/biom12101343] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 09/16/2022] [Accepted: 09/17/2022] [Indexed: 08/02/2023] Open
Abstract
The architecture of eukaryotic cells is defined by extensive membrane-delimited compartments, which entails separate metabolic processes that would otherwise interfere with each other, leading to functional differences between cells. G protein-coupled receptors (GPCRs) are the largest class of cell surface receptors, and their signal transduction is traditionally viewed as a chain of events initiated from the plasma membrane. Furthermore, their intracellular trafficking, internalization, and recycling were considered only to regulate receptor desensitization and cell surface expression. On the contrary, accumulating data strongly suggest that GPCRs also signal from intracellular compartments. GPCRs localize in the membranes of endosomes, nucleus, Golgi and endoplasmic reticulum apparatuses, mitochondria, and cell division compartments. Importantly, from these sites they have shown to orchestrate multiple signals that regulate different cell pathways. In this review, we summarize the current knowledge of this fascinating phenomenon, explaining how GPCRs reach the intracellular sites, are stimulated by the endogenous ligands, and their potential physiological/pathophysiological roles. Finally, we illustrate several mechanisms involved in the modulation of the compartmentalized GPCR signaling by drugs and endogenous ligands. Understanding how GPCR signaling compartmentalization is regulated will provide a unique opportunity to develop novel pharmaceutical approaches to target GPCRs and potentially lead the way towards new therapeutic approaches.
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Affiliation(s)
- Irene Fasciani
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Marco Carli
- Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
| | - Francesco Petragnano
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Francesco Colaianni
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Gabriella Aloisi
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Roberto Maggio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Marco Scarselli
- Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
| | - Mario Rossi
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
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Aamna B, Kumar Dan A, Sahu R, Behera SK, Parida S. Deciphering the signaling mechanisms of β-arrestin1 and β-arrestin2 in regulation of cancer cell cycle and metastasis. J Cell Physiol 2022; 237:3717-3733. [PMID: 35908197 DOI: 10.1002/jcp.30847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 06/22/2022] [Accepted: 07/18/2022] [Indexed: 11/05/2022]
Abstract
β-Arrestins are ubiquitously expressed intracellular proteins with many functions which interact directly and indirectly with a wide number of cellular partners and mediate downstream signaling. Originally, β-arrestins were identified for their contribution to GPCR desensitization to agonist-mediated activation, followed by receptor endocytosis and ubiquitylation. However, current investigations have now recognized that in addition to GPCR arresting (hence the name arrestin). β-Arrestins are adaptor proteins that control the recruitment, activation, and scaffolding of numerous cytoplasmic signaling complexes and assist in G-protein receptor signaling, thus bringing them into close proximity. They have participated in various cellular processes such as cell proliferation, migration, apoptosis, and transcription via canonical and noncanonical pathways. Despite their significant recognition in several physiological processes, these activities are also involved in the onset and progression of various cancers. This review delivers a concise overview of the role of β-arrestins with a primary emphasis on the signaling processes which underlie the mechanism of β-arrestins in the onset of cancer. Understanding these processes has important implications for understanding the therapeutic intervention and treatment of cancer in the future.
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Affiliation(s)
- Bari Aamna
- School of Biotechnology, Kalinga Institute of Industrial Technology (Deemed to be University), Bhubaneswar, Odisha, India
| | - Aritra Kumar Dan
- School of Biotechnology, Kalinga Institute of Industrial Technology (Deemed to be University), Bhubaneswar, Odisha, India
| | - Raghaba Sahu
- College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Santosh Kumar Behera
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, India
| | - Sagarika Parida
- Department of Botany, Centurion University of Technology and Management, Odisha, India
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Kim M, Kim JM, Cho EJ, Sung CO, Kim J, Jang SJ. β-Arrestin 2 suppresses the activation of YAP by promoting LATS kinase activity. Genes Dis 2022; 10:348-351. [DOI: 10.1016/j.gendis.2022.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 04/19/2022] [Accepted: 04/25/2022] [Indexed: 11/30/2022] Open
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Wedegaertner H, Pan WA, Gonzalez CC, Gonzalez DJ, Trejo J. The α-Arrestin ARRDC3 Is an Emerging Multifunctional Adaptor Protein in Cancer. Antioxid Redox Signal 2022; 36:1066-1079. [PMID: 34465145 PMCID: PMC9127825 DOI: 10.1089/ars.2021.0193] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 08/21/2021] [Indexed: 01/04/2023]
Abstract
Significance: Adaptor proteins control the spatiotemporal dynamics of cellular signaling. Dysregulation of adaptor protein function can cause aberrant cell signaling and promote cancer. The arrestin family of adaptor proteins are known to regulate signaling by the superfamily of G protein-coupled receptors (GPCRs). The GPCRs are highly druggable and implicated in cancer progression. However, the molecular mechanisms responsible for arrestin dysregulation and the impact on GPCR function in cancer have yet to be fully elucidated. Recent Advances: A new family of mammalian arrestins, termed the α-arrestins, was recently discovered. The α-arrestin, arrestin domain-containing protein 3 (ARRDC3), in particular, has been identified as a tumor suppressor and is reported to control cellular signaling of GPCRs in cancer. Critical Issues: Compared with the extensively studied mammalian β-arrestins, there is limited information regarding the regulatory mechanisms that control α-arrestin activation and function. Here, we discuss the molecular mechanisms that regulate ARRDC3, which include post-translational modifications such as phosphorylation and ubiquitination. We also provide evidence that ARRDC3 can interact with a wide array of proteins that control diverse biological functions. Future Directions: ARRDC3 interacts with numerous proteins and is likely to display diverse functions in cancer, metabolic disease, and other syndromes. Thus, understanding the regulatory mechanisms of ARRDC3 activity in various cellular contexts is critically important. Recent studies suggest that α-arrestins may be regulated through post-translational modification, which is known to impact adaptor protein function. However, additional studies are needed to determine how these regulatory mechanisms affect ARRDC3 tumor suppressor function. Antioxid. Redox Signal. 36, 1066-1079.
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Affiliation(s)
- Helen Wedegaertner
- Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California, USA
- Biomedical Sciences Graduate Program, University of California, San Diego, La Jolla, California, USA
| | - Wen-An Pan
- Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Carlos C. Gonzalez
- Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California, USA
| | - David J. Gonzalez
- Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California, USA
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California, USA
| | - JoAnn Trejo
- Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California, USA
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Deprogramming metabolism in pancreatic cancer with a bi-functional GPR55 inhibitor and biased β2 adrenergic agonist. Sci Rep 2022; 12:3618. [PMID: 35256673 PMCID: PMC8901637 DOI: 10.1038/s41598-022-07600-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 02/21/2022] [Indexed: 01/14/2023] Open
Abstract
Metabolic reprogramming contributes to oncogenesis, tumor growth, and treatment resistance in pancreatic ductal adenocarcinoma (PDAC). Here we report the effects of (R,S′)-4′-methoxy-1-naphthylfenoterol (MNF), a GPR55 antagonist and biased β2-adrenergic receptor (β2-AR) agonist on cellular signaling implicated in proliferation and metabolism in PDAC cells. The relative contribution of GPR55 and β2-AR in (R,S′)-MNF signaling was explored further in PANC-1 cells. Moreover, the effect of (R,S′)-MNF on tumor growth was determined in a PANC-1 mouse xenograft model. PANC-1 cells treated with (R,S′)-MNF showed marked attenuation in GPR55 signal transduction and function combined with increased β2-AR/Gαs/adenylyl cyclase/PKA signaling, both of which contributing to lower MEK/ERK, PI3K/AKT and YAP/TAZ signaling. (R,S′)-MNF administration significantly reduced PANC-1 tumor growth and circulating l-lactate concentrations. Global metabolic profiling of (R,S′)-MNF-treated tumor tissues revealed decreased glycolytic metabolism, with a shift towards normoxic processes, attenuated glutamate metabolism, and increased levels of ophthalmic acid and its precursor, 2-aminobutyric acid, indicative of elevated oxidative stress. Transcriptomics and immunoblot analyses indicated the downregulation of gene and protein expression of HIF-1α and c-Myc, key initiators of metabolic reprogramming in PDAC. (R,S′)-MNF treatment decreased HIF-1α and c-Myc expression, attenuated glycolysis, shifted fatty acid metabolism towards β-oxidation, and suppressed de novo pyrimidine biosynthesis in PANC-1 tumors. The results indicate a potential benefit of combined GPR55 antagonism and biased β2-AR agonism in PDAC therapy associated with the deprogramming of altered cellular metabolism.
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12
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Liccardo F, Luini A, Di Martino R. Endomembrane-Based Signaling by GPCRs and G-Proteins. Cells 2022; 11:528. [PMID: 35159337 PMCID: PMC8834376 DOI: 10.3390/cells11030528] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/26/2022] [Accepted: 01/28/2022] [Indexed: 12/14/2022] Open
Abstract
G-protein-coupled receptors (GPCRs) and G-proteins have a range of roles in many physiological and pathological processes and are among the most studied signaling proteins. A plethora of extracellular stimuli can activate the GPCR and can elicit distinct intracellular responses through the activation of specific transduction pathways. For many years, biologists thought that GPCR signaling occurred entirely on the plasma membrane. However, in recent decades, many lines of evidence have proved that the GPCRs and G-proteins may reside on endomembranes and can start or propagate signaling pathways through the organelles that form the secretory route. How these alternative intracellular signaling pathways of the GPCR and G-proteins influence the physiological and pathological function of the endomembranes is still under investigation. Here, we review the general role and classification of GPCRs and G-proteins with a focus on their signaling pathways in the membrane transport apparatus.
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Affiliation(s)
- Federica Liccardo
- Cardiovascular Research Institute, University of California San Francisco (UCSF), 555 Mission Bay Blvd., San Francisco, CA 94158, USA;
| | - Alberto Luini
- Istituto per L’endocrinologia e L’oncologia Sperimentale “Gaetano Salvatore” (IEOS)—Sede Secondaria, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Rosaria Di Martino
- Istituto per L’endocrinologia e L’oncologia Sperimentale “Gaetano Salvatore” (IEOS)—Sede Secondaria, Via Pietro Castellino 111, 80131 Napoli, Italy
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13
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Del Rio D, Masi I, Caprara V, Spadaro F, Ottavi F, Strippoli R, Sandoval P, López-Cabrera M, Sainz de la Cuesta R, Bagnato A, Rosanò L. Ovarian Cancer-Driven Mesothelial-to-Mesenchymal Transition is Triggered by the Endothelin-1/β-arr1 Axis. Front Cell Dev Biol 2021; 9:764375. [PMID: 34926453 PMCID: PMC8672058 DOI: 10.3389/fcell.2021.764375] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/10/2021] [Indexed: 12/01/2022] Open
Abstract
Transcoelomic spread of serous ovarian cancer (SOC) results from the cooperative interactions between cancer and host components. Tumor-derived factors might allow the conversion of mesothelial cells (MCs) into tumor-associated MCs, providing a favorable environment for SOC cell dissemination. However, factors and molecular mechanisms involved in this process are largely unexplored. Here we investigated the tumor-related endothelin-1 (ET-1) as an inducer of changes in MCs supporting SOC progression. Here, we report a significant production of ET-1 from MCs associated with the expression of its cognate receptors, ETA and ETB, along with the protein β-arrestin1. ET-1 triggers MC proliferation via β-arrestin1-dependent MAPK and NF-kB pathways and increases the release of cancer-related factors. The ETA/ETB receptor activation supports the genetic reprogramming of mesothelial-to-mesenchymal transition (MMT), with upregulation of mesenchymal markers, as fibronectin, α-SMA, N-cadherin and vimentin, NF-kB-dependent Snail transcriptional activity and downregulation of E-cadherin and ZO-1, allowing to enhanced MC migration and invasion, and SOC transmesothelial migration. These effects are impaired by either blockade of ETAR and ETBR or by β-arrestin1 silencing. Notably, in peritoneal metastases both ETAR and ETBR are co-expressed with MMT markers compared to normal control peritoneum. Collectively, our report shows that the ET-1 axis may contribute to the early stage of SOC progression by modulating MC pro-metastatic behaviour via MMT.
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Affiliation(s)
- Danila Del Rio
- Institute of Molecular Biology and Pathology, CNR, Rome, Italy
| | - Ilenia Masi
- Institute of Molecular Biology and Pathology, CNR, Rome, Italy
| | - Valentina Caprara
- Unit of Preclinical Models and New Therapeutic Agents, IRCCS - Regina Elena National Cancer Institute, Rome, Italy
| | - Francesca Spadaro
- Confocal Microscopy Unit, Core Facilities, Istituto Superiore di Sanità, Rome, Italy
| | - Flavia Ottavi
- Institute of Molecular Biology and Pathology, CNR, Rome, Italy
| | - Raffaele Strippoli
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Pilar Sandoval
- Centro de Biología Molecular "Severo Ochoa" (CBM), Spanish Council for Scientific Research (CSIC), Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Manuel López-Cabrera
- Centro de Biología Molecular "Severo Ochoa" (CBM), Spanish Council for Scientific Research (CSIC), Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | | | - Anna Bagnato
- Unit of Preclinical Models and New Therapeutic Agents, IRCCS - Regina Elena National Cancer Institute, Rome, Italy
| | - Laura Rosanò
- Institute of Molecular Biology and Pathology, CNR, Rome, Italy.,Unit of Preclinical Models and New Therapeutic Agents, IRCCS - Regina Elena National Cancer Institute, Rome, Italy
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14
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Li M, Schweiger MW, Ryan DJ, Nakano I, Carvalho LA, Tannous BA. Olfactory receptor 5B21 drives breast cancer metastasis. iScience 2021; 24:103519. [PMID: 34917897 PMCID: PMC8666352 DOI: 10.1016/j.isci.2021.103519] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 10/12/2021] [Accepted: 11/23/2021] [Indexed: 02/08/2023] Open
Abstract
Olfactory receptors (ORs), responsible for the sense of smell, play an essential role in various physiological processes outside the nasal epithelium, including cancer. In breast cancer, however, the expression and function of ORs remain understudied. We examined the significance of OR transcript abundance in primary and metastatic breast cancer to the brain, bone, and lung. Although 20 OR transcripts were differentially expressed in distant metastases, OR5B21 displayed an increased transcript abundance in all three metastatic sites compared with the primary tumor. Knockdown of OR5B21 significantly decreased the invasion and migration of breast cancer cells as well as metastasis to different organs especially the brain, whereas increasing of OR5B21 transcript abundance had the opposite effect. Mechanistically, OR5B21 expression was associated with epithelial to mesenchymal transition through the STAT3/NF-κB/CEBPβ signaling axis. We propose OR5B21 (and potentially other ORs) as a novel oncogene contributing to breast cancer metastasis and a potential target for adjuvant therapy.
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Affiliation(s)
- Mao Li
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, 149 13th Street, Charlestown, Boston, MA 02129, USA
- Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA
| | - Markus W. Schweiger
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, 149 13th Street, Charlestown, Boston, MA 02129, USA
- Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA
- Department of Neurosurgery, Cancer Center Amsterdam, Brain Tumor Center Amsterdam, Amsterdam UMC, Vrije Universiteit, 1081 HV Amsterdam, the Netherlands
| | - Daniel J. Ryan
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, 149 13th Street, Charlestown, Boston, MA 02129, USA
- Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA
| | - Ichiro Nakano
- Department of Neurosurgery and Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Litia A. Carvalho
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, 149 13th Street, Charlestown, Boston, MA 02129, USA
- Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA
| | - Bakhos A. Tannous
- Experimental Therapeutics and Molecular Imaging Laboratory, Department of Neurology, Neuro-Oncology Division, Massachusetts General Hospital, 149 13th Street, Charlestown, Boston, MA 02129, USA
- Neuroscience Program, Harvard Medical School, Boston, MA 02129, USA
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15
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An Insight into GPCR and G-Proteins as Cancer Drivers. Cells 2021; 10:cells10123288. [PMID: 34943797 PMCID: PMC8699078 DOI: 10.3390/cells10123288] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 12/14/2022] Open
Abstract
G-protein-coupled receptors (GPCRs) are the largest family of cell surface signaling receptors known to play a crucial role in various physiological functions, including tumor growth and metastasis. Various molecules such as hormones, lipids, peptides, and neurotransmitters activate GPCRs that enable the coupling of these receptors to highly specialized transducer proteins, called G-proteins, and initiate multiple signaling pathways. Integration of these intricate networks of signaling cascades leads to numerous biochemical responses involved in diverse pathophysiological activities, including cancer development. While several studies indicate the role of GPCRs in controlling various aspects of cancer progression such as tumor growth, invasion, migration, survival, and metastasis through its aberrant overexpression, mutations, or increased release of agonists, the explicit mechanisms of the involvement of GPCRs in cancer progression is still puzzling. This review provides an insight into the various responses mediated by GPCRs in the development of cancers, the molecular mechanisms involved and the novel pharmacological approaches currently preferred for the treatment of cancer. Thus, these findings extend the knowledge of GPCRs in cancer cells and help in the identification of therapeutics for cancer patients.
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16
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Zhang Y, Qian Z, Jiang D, Sun Y, Gao S, Jiang X, Wang H, Tao J. Neuromedin B receptor stimulation of Cav3.2 T-type Ca 2+ channels in primary sensory neurons mediates peripheral pain hypersensitivity. Theranostics 2021; 11:9342-9357. [PMID: 34646374 PMCID: PMC8490515 DOI: 10.7150/thno.62255] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 09/01/2021] [Indexed: 01/21/2023] Open
Abstract
Background: Neuromedin B (Nmb) is implicated in the regulation of nociception of sensory neurons. However, the underlying cellular and molecular mechanisms remain unknown. Methods: Using patch clamp recording, western blot analysis, immunofluorescent labelling, enzyme-linked immunosorbent assays, adenovirus-mediated shRNA knockdown and animal behaviour tests, we studied the effects of Nmb on the sensory neuronal excitability and peripheral pain sensitivity mediated by Cav3.2 T-type channels. Results: Nmb reversibly and concentration-dependently increased T-type channel currents (IT) in small-sized trigeminal ganglion (TG) neurons through the activation of neuromedin B receptor (NmbR). This NmbR-mediated IT response was Gq protein-coupled, but independent of protein kinase C activity. Either intracellular application of the QEHA peptide or shRNA-mediated knockdown of Gβ abolished the NmbR-induced IT response. Inhibition of protein kinase A (PKA) or AMP-activated protein kinase (AMPK) completely abolished the Nmb-induced IT response. Analysis of phospho-AMPK (p-AMPK) revealed that Nmb significantly activated AMPK, while AMPK inhibition prevented the Nmb-induced increase in PKA activity. In a heterologous expression system, activation of NmbR significantly enhanced the Cav3.2 channel currents, while the Cav3.1 and Cav3.3 channel currents remained unaffected. Nmb induced TG neuronal hyperexcitability and concomitantly induced mechanical and thermal hypersensitivity, both of which were attenuated by T-type channel blockade. Moreover, blockade of NmbR signalling prevented mechanical hypersensitivity in a mouse model of complete Freund's adjuvant-induced inflammatory pain, and this effect was attenuated by siRNA knockdown of Cav3.2. Conclusions: Our study reveals a novel mechanism by which NmbR stimulates Cav3.2 channels through a Gβγ-dependent AMPK/PKA pathway. In mouse models, this mechanism appears to drive the hyperexcitability of TG neurons and induce pain hypersensitivity.
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17
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Xu X, Lei Y, Chen L, Zhou H, Liu H, Jiang J, Yang Y, Wu B. Phosphorylation of NF-κBp65 drives inflammation-mediated hepatocellular carcinogenesis and is a novel therapeutic target. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:253. [PMID: 34380537 PMCID: PMC8359590 DOI: 10.1186/s13046-021-02062-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/06/2021] [Indexed: 01/09/2023]
Abstract
BACKGROUND Nuclear factor-κB (NF-κB) plays a vital role in hepatocellular carcinoma (HCC). β-arrestin1 (ARRB1) has been proved to enhance the activity of NF-κBp65, and our previous study indicated that ARRB1 promotes hepatocellular carcinogenesis and development of HCC. However, it remains unknown whether p65 is involved in hepatocellular carcinogenesis through the ARRB1-mediated pathway. METHODS The levels of NF-κBp65 and NF-κBp65 phosphorylation (p-p65) were assessed in including normal liver, primary HCC and paired paracancerous tissues. Liver-specific p65 knockout mice were used to examine the role of p65 and p-p65 in hepatocarcinogenesis. The mechanism of NF-κBp65 and p-p65 in hepatocarcinogenesis via ARRB1 was also studied both in vitro and in vivo. RESULTS Phosphorylation of NF-κBp65 was markedly upregulated in inflammation-related HCC patients and was significantly increased in mouse hepatic inflammation models, which were induced by tetrachloromethane (CCl4), diethylnitrosamine (DEN), TNF-α, as well as DEN-induced HCC. Hepatocyte-specific p65-deficient mice markedly decreased in the HCC incidence and size of tumours by the repressing of the proliferation of malignant cells in a DEN-induced HCC model. Furthermore, ARRB1 directly bounds p65 to promote the phosphorylation of NF-κBp65 at ser536, resulted in cell malignant proliferation through GSK3β/mTOR signalling. CONCLUSION The data demonstrated that phosphorylation of NF-κBp65 drives hepatocellular carcinogenesis in response to inflammation-mediated ARRB1, and that inhibition of the phosphorylation of NF-κBp65 restrains the hepatocellular carcinogenesis. The results indicate that phosphorylation of NF-κBp65 is a novel therapeutic target for HCC.
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Affiliation(s)
- Xuan Xu
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China
| | - Yiming Lei
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China
| | - Lingjun Chen
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China
| | - Haoxiong Zhou
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China
| | - Huiling Liu
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China
| | - Jie Jiang
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China
| | - Yidong Yang
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China. .,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China.
| | - Bin Wu
- Department of Gastroenterology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, Guangdong Province, China. .,Guangdong Provincial Key Laboratory of Liver Disease Research, Guangzhou, 510630, Guangdong Province, China.
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18
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Lysophosphatidic Acid Signaling in Cancer Cells: What Makes LPA So Special? Cells 2021; 10:cells10082059. [PMID: 34440828 PMCID: PMC8394178 DOI: 10.3390/cells10082059] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 12/13/2022] Open
Abstract
Lysophosphatidic acid (LPA) refers to a family of simple phospholipids that act as ligands for G protein-coupled receptors. While LPA exerts effects throughout the body in normal physiological circumstances, its pathological role in cancer is of great interest from a therapeutic viewpoint. The numerous LPA receptors (LPARs) are coupled to a variety of G proteins, and more than one LPAR is typically expressed on any given cell. While the individual receptors signal through conventional GPCR pathways, LPA is particularly efficacious in stimulating cancer cell proliferation and migration. This review addresses the mechanistic aspects underlying these pro-tumorigenic effects. We provide examples of LPA signaling responses in various types of cancers, with an emphasis on those where roles have been identified for specific LPARs. While providing an overview of LPAR signaling, these examples also reveal gaps in our knowledge regarding the mechanisms of LPA action at the receptor level. The current understanding of the LPAR structure and the roles of LPAR interactions with other receptors are discussed. Overall, LPARs provide insight into the potential molecular mechanisms that underlie the ability of individual GPCRs (or combinations of GPCRs) to elicit a unique spectrum of responses from their agonist ligands. Further knowledge of these mechanisms will inform drug discovery, since GPCRs are promising therapeutic targets for cancer.
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19
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Barvitenko N, Aslam M, Lawen A, Saldanha C, Skverchinskaya E, Uras G, Manca A, Pantaleo A. Two Motors and One Spring: Hypothetic Roles of Non-Muscle Myosin II and Submembrane Actin-Based Cytoskeleton in Cell Volume Sensing. Int J Mol Sci 2021; 22:7967. [PMID: 34360739 PMCID: PMC8347689 DOI: 10.3390/ijms22157967] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/16/2021] [Accepted: 07/23/2021] [Indexed: 12/12/2022] Open
Abstract
Changes in plasma membrane curvature and intracellular ionic strength are two key features of cell volume perturbations. In this hypothesis we present a model of the responsible molecular apparatus which is assembled of two molecular motors [non-muscle myosin II (NMMII) and protrusive actin polymerization], a spring [a complex between the plasma membrane (PM) and the submembrane actin-based cytoskeleton (smACSK) which behaves like a viscoelastic solid] and the associated signaling proteins. We hypothesize that this apparatus senses changes in both the plasma membrane curvature and the ionic strength and in turn activates signaling pathways responsible for regulatory volume increase (RVI) and regulatory volume decrease (RVD). During cell volume changes hydrostatic pressure (HP) changes drive alterations in the cell membrane curvature. HP difference has opposite directions in swelling versus shrinkage, thus allowing distinction between them. By analogy with actomyosin contractility that appears to sense stiffness of the extracellular matrix we propose that NMMII and actin polymerization can actively probe the transmembrane gradient in HP. Furthermore, NMMII and protein-protein interactions in the actin cortex are sensitive to ionic strength. Emerging data on direct binding to and regulating activities of transmembrane mechanosensors by NMMII and actin cortex provide routes for signal transduction from transmembrane mechanosensors to cell volume regulatory mechanisms.
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Affiliation(s)
| | - Muhammad Aslam
- Department of Internal Medicine I, Experimental Cardiology, Justus Liebig University, 35392 Giessen, Germany;
| | - Alfons Lawen
- Department of Biochemistry and Molecular Biology, School of Biomedical Sciences, Monash University, Clayton, VIC 3800, Australia;
| | - Carlota Saldanha
- Institute of Biochemistry, Institute of Molecular Medicine, Faculty of Medicine University of Lisbon, 1649-028 Lisboa, Portugal;
| | | | - Giuseppe Uras
- Department of Clinical and Movement Neurosciences, Institute of Neurology, University College London, London NW3 2PF, UK;
| | - Alessia Manca
- Department of Biomedical Science, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy;
| | - Antonella Pantaleo
- Department of Biomedical Science, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy;
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20
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Latest update on chemokine receptors as therapeutic targets. Biochem Soc Trans 2021; 49:1385-1395. [PMID: 34060588 PMCID: PMC8286821 DOI: 10.1042/bst20201114] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 12/12/2022]
Abstract
The chemokine system plays a fundamental role in a diverse range of physiological processes, such as homeostasis and immune responses. Dysregulation in the chemokine system has been linked to inflammatory diseases and cancer, which renders chemokine receptors to be considered as therapeutic targets. In the past two decades, around 45 drugs targeting chemokine receptors have been developed, yet only three are clinically approved. The challenging factors include the limited understanding of aberrant chemokine signalling in malignant diseases, high redundancy of the chemokine system, differences between cell types and non-specific binding of the chemokine receptor antagonists due to the broad ligand-binding pockets. In recent years, emerging studies attempt to characterise the chemokine ligand–receptor interactions and the downstream signalling protein–protein interactions, aiming to fine tuning to the promiscuous interplay of the chemokine system for the development of precision medicine. This review will outline the updates on the mechanistic insights in the chemokine system and propose some potential strategies in the future development of targeted therapy.
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21
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Liu N, Wang Y, Li T, Feng X. G-Protein Coupled Receptors (GPCRs): Signaling Pathways, Characterization, and Functions in Insect Physiology and Toxicology. Int J Mol Sci 2021; 22:ijms22105260. [PMID: 34067660 PMCID: PMC8156084 DOI: 10.3390/ijms22105260] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 02/06/2023] Open
Abstract
G-protein-coupled receptors (GPCRs) are known to play central roles in the physiology of many organisms. Members of this seven α-helical transmembrane protein family transduce the extracellular signals and regulate intracellular second messengers through coupling to heterotrimeric G-proteins, adenylate cyclase, cAMPs, and protein kinases. As a result of the critical function of GPCRs in cell physiology and biochemistry, they not only play important roles in cell biology and the medicines used to treat a wide range of human diseases but also in insects’ physiological functions. Recent studies have revealed the expression and function of GPCRs in insecticide resistance, improving our understanding of the molecular complexes governing the development of insecticide resistance. This article focuses on the review of G-protein coupled receptor (GPCR) signaling pathways in insect physiology, including insects’ reproduction, growth and development, stress responses, feeding, behaviors, and other physiological processes. Hormones and polypeptides that are involved in insect GPCR regulatory pathways are reviewed. The review also gives a brief introduction of GPCR pathways in organisms in general. At the end of the review, it provides the recent studies on the function of GPCRs in the development of insecticide resistance, focusing in particular on our current knowledge of the expression and function of GPCRs and their downstream regulation pathways and their roles in insecticide resistance and the regulation of resistance P450 gene expression. The latest insights into the exciting technological advances and new techniques for gene expression and functional characterization of the GPCRs in insects are provided.
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Affiliation(s)
- Nannan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA; (Y.W.); (T.L.)
- Correspondence: ; Tel.: +1-334-844-5076
| | - Yifan Wang
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA; (Y.W.); (T.L.)
| | - Ting Li
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA; (Y.W.); (T.L.)
| | - Xuechun Feng
- Department of Biology Sciences, University of California, San Diego, CA 92093, USA;
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22
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Structural Characterization of Receptor-Receptor Interactions in the Allosteric Modulation of G Protein-Coupled Receptor (GPCR) Dimers. Int J Mol Sci 2021; 22:ijms22063241. [PMID: 33810175 PMCID: PMC8005122 DOI: 10.3390/ijms22063241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/17/2021] [Accepted: 03/20/2021] [Indexed: 01/07/2023] Open
Abstract
G protein-coupled receptor (GPCR) oligomerization, while contentious, continues to attract the attention of researchers. Numerous experimental investigations have validated the presence of GPCR dimers, and the relevance of dimerization in the effectuation of physiological functions intensifies the attractiveness of this concept as a potential therapeutic target. GPCRs, as a single entity, have been the main source of scrutiny for drug design objectives for multiple diseases such as cancer, inflammation, cardiac, and respiratory diseases. The existence of dimers broadens the research scope of GPCR functions, revealing new signaling pathways that can be targeted for disease pathogenesis that have not previously been reported when GPCRs were only viewed in their monomeric form. This review will highlight several aspects of GPCR dimerization, which include a summary of the structural elucidation of the allosteric modulation of class C GPCR activation offered through recent solutions to the three-dimensional, full-length structures of metabotropic glutamate receptor and γ-aminobutyric acid B receptor as well as the role of dimerization in the modification of GPCR function and allostery. With the growing influence of computational methods in the study of GPCRs, we will also be reviewing recent computational tools that have been utilized to map protein-protein interactions (PPI).
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23
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Ma TL, Zhou Y, Zhang CY, Gao ZA, Duan JX. The role and mechanism of β-arrestin2 in signal transduction. Life Sci 2021; 275:119364. [PMID: 33741415 DOI: 10.1016/j.lfs.2021.119364] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/02/2021] [Accepted: 03/10/2021] [Indexed: 02/06/2023]
Abstract
β-arrestin2 is a ubiquitously expressed scaffold protein localized on the cytoplasm and plasma membrane. It was originally found to bind to GPCRs, uncoupling G proteins and receptors' binding and inhibiting the signal transduction of the GPCRs. Further investigations have revealed that β-arrestin2 not only mediates the desensitization of GPCRs but also serves as a multifunctional scaffold to mediate receptor internalization, kinase activation, and regulation of various signaling pathways, such as TLR4/NF-κB, MAPK, Wnt, TGF-β, and AMPK/mTOR pathways. β-arrestin2 regulates cell invasion, migration, autophagy, angiogenesis, and anti-inflammatory effects by regulating various signaling pathways, which play a vital role in many physiological and pathological processes. This paper reviews the structure and function of β-arrestin2, the regulation of β-arrestin2 based signaling pathways. The role and mechanism of β-arrestin2 signaling have been delineated in sufficient detail. The prospect of regulating the expression and activity of β-arrestin2 in multisystem diseases holds substantial therapeutic promise.
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Affiliation(s)
- Tian-Liang Ma
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Impants, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China
| | - Yong Zhou
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China; Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Chen-Yu Zhang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China
| | - Zi-Ang Gao
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China
| | - Jia-Xi Duan
- Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Unit of Respiratory Disease, Central South University, Changsha, Hunan 410011, China.
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24
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Adekoya TO, Smith N, Thomas AJ, Lane TS, Burnette N, Rivers EJ, Li Y, Chen XL, Richardson RM. Host versus cell-dependent effects of β-arrestin 1 expression in prostate tumorigenesis. Carcinogenesis 2021; 42:772-783. [PMID: 33710266 DOI: 10.1093/carcin/bgab021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/24/2021] [Accepted: 03/10/2021] [Indexed: 11/14/2022] Open
Abstract
Prostate cancer (PCa) constitutes a serious health challenge and remains one of the main causes of cancer-related death among men. The more aggressive form of the disease has been attributed to androgen independence, resulting in a lack of response to androgen deprivation therapy and sustained activation of other growth pathways. The scaffold proteins β-arrestin 1 and 2 (βarr1 and βarr2), which are known to mediate G protein-coupled receptor desensitization and internalization, were also shown to modulate prostate tumorigenesis. βarr1 is significantly overexpressed (>4-fold) in PCa cells relative to βarr2. In this study, we investigated the effect of βarr1 overexpression in PCa development and progression using the mouse and human PCa cell xenografts, and autochthonous transgenic adenocarcinoma of the mouse prostate (TRAMP) models deficient in β-arrestin depletion of βarr1 in TRAMP mice (TRAMP/βarr1-/-) increased PCa growth and decreased overall survival relative to control TRAMP or TRAMP/βarr2-/- animals. Prostate tissues from TRAMP/βarr1-/- tumors displayed an increase in androgen receptor (AR) expression, whereas overexpression of βarr1 in TRAMP-C1 (TRAMP-C1-βarr1-GFP) which derived from TRAMP decreased AR expression, cell proliferation and tumor growth in nude mice xenografts, relative to control TRAMP-C1-GFP. Knockdown of βarr1 expression in human MDA PCa 2b cells (MDA PCa 2b-βarr1-/-) also decreased AR expression cell proliferation and tumor growth relative to control (MDA PCa 2b-Sham) cells. Interestingly, both TRAMP-C1-βarr1-GFP and MDA PCa 2b-βarr1-/- xenografts showed a decrease in AKT phosphorylation but an increase in MAPK activation. Altogether, the data indicate that the effect of βarr1 in modulating AR signaling to regulate PCa aggressiveness is cell and host autonomous.
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Affiliation(s)
- Timothy O Adekoya
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Nikia Smith
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Ariel J Thomas
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Tonya S Lane
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Nija Burnette
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Elizabeth J Rivers
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Yahui Li
- Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Xiaoxin L Chen
- Department of Biological & Biomedical Sciences, North Carolina Central University, Durham, NC 27707, USA
| | - Ricardo M Richardson
- Department of Biological & Biomedical Sciences, North Carolina Central University, Durham, NC 27707, USA
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25
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Unraveling the Molecular Nexus between GPCRs, ERS, and EMT. Mediators Inflamm 2021; 2021:6655417. [PMID: 33746610 PMCID: PMC7943314 DOI: 10.1155/2021/6655417] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 02/23/2021] [Accepted: 02/25/2021] [Indexed: 12/12/2022] Open
Abstract
G protein-coupled receptors (GPCRs) represent a large family of transmembrane proteins that transduce an external stimulus into a variety of cellular responses. They play a critical role in various pathological conditions in humans, including cancer, by regulating a number of key processes involved in tumor formation and progression. The epithelial-mesenchymal transition (EMT) is a fundamental process in promoting cancer cell invasion and tumor dissemination leading to metastasis, an often intractable state of the disease. Uncontrolled proliferation and persistent metabolism of cancer cells also induce oxidative stress, hypoxia, and depletion of growth factors and nutrients. These disturbances lead to the accumulation of misfolded proteins in the endoplasmic reticulum (ER) and induce a cellular condition called ER stress (ERS) which is counteracted by activation of the unfolded protein response (UPR). Many GPCRs modulate ERS and UPR signaling via ERS sensors, IRE1α, PERK, and ATF6, to support cancer cell survival and inhibit cell death. By regulating downstream signaling pathways such as NF-κB, MAPK/ERK, PI3K/AKT, TGF-β, and Wnt/β-catenin, GPCRs also upregulate mesenchymal transcription factors including Snail, ZEB, and Twist superfamilies which regulate cell polarity, cytoskeleton remodeling, migration, and invasion. Likewise, ERS-induced UPR upregulates gene transcription and expression of proteins related to EMT enhancing tumor aggressiveness. Though GPCRs are attractive therapeutic targets in cancer biology, much less is known about their roles in regulating ERS and EMT. Here, we will discuss the interplay in GPCR-ERS linked to the EMT process of cancer cells, with a particular focus on oncogenes and molecular signaling pathways.
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26
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Zhang Y, Zhang Y, Wang Z, Sun Y, Jiang X, Xue M, Yu Y, Tao J. Suppression of delayed rectifier K + channels by gentamicin induces membrane hyperexcitability through JNK and PKA signaling pathways in vestibular ganglion neurons. Biomed Pharmacother 2021; 135:111185. [PMID: 33422932 DOI: 10.1016/j.biopha.2020.111185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 12/20/2020] [Accepted: 12/26/2020] [Indexed: 01/11/2023] Open
Abstract
Aminoglycoside antibiotics, such as gentamicin, are known to have vestibulotoxic effects, including ataxia and disequilibrium. To date, however, the underlying cellular and molecular mechanisms are still unclear. In this study, we determined the role of gentamicin in regulating the sustained delayed rectifier K+ current (IDR) and membrane excitability in vestibular ganglion (VG) neurons in mice. Our results showed that the application of gentamicin to VG neurons decreased the IDR in a concentration-dependent manner, while the transient outward A-type K+ current (IA) remained unaffected. The decrease in IDR induced by gentamicin was independent of G-protein activity and led to a hyperpolarizing shift of the inactivation Vhalf. The analysis of phospho-c-Jun N-terminal kinase (p-JNK) revealed that gentamicin significantly stimulated JNK, while p-ERK and p-p38 remained unaffected. Blocking Kv1 channels with α-dendrotoxin or pretreating VG neurons with the JNK inhibitor II abrogated the gentamicin-induced decrease in IDR. Antagonism of JNK signaling attenuated the gentamicin-induced stimulation of PKA activity, whereas PKA inhibition prevented the IDR response induced by gentamicin. Moreover, gentamicin significantly increased the number of action potentials fired in both phasic and tonic firing type neurons; pretreating VG neurons with the JNK inhibitor II and the blockade of the IDR abolished this effect. Taken together, our results demonstrate that gentamicin decreases the IDR through a G-protein-independent but JNK and PKA-mediated signaling pathways. This gentamicin-induced IDR response mediates VG neuronal hyperexcitability and might contribute to its pharmacological vestibular effects.
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Affiliation(s)
- Yunmei Zhang
- Department of Otolaryngology, the First Affiliated Hospital of Soochow University, Suzhou 215006, PR China; Department of Physiology and Neurobiology & Centre for Ion Channelopathy, Medical College of Soochow University, Suzhou 215123, PR China
| | - Yuan Zhang
- Department of Geriatrics & Institute of Neuroscience, the Second Affiliated Hospital of Soochow University, Suzhou 215004, PR China; Department of Physiology and Neurobiology & Centre for Ion Channelopathy, Medical College of Soochow University, Suzhou 215123, PR China
| | - Zizhang Wang
- Department of Head and Neck Surgery, Shaanxi Provincial Tumor Hospital, the Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, PR China
| | - Yufang Sun
- Department of Physiology and Neurobiology & Centre for Ion Channelopathy, Medical College of Soochow University, Suzhou 215123, PR China
| | - Xinghong Jiang
- Department of Physiology and Neurobiology & Centre for Ion Channelopathy, Medical College of Soochow University, Suzhou 215123, PR China
| | - Man Xue
- Suzhou Institute for Drug Control, Suzhou 215000, PR China
| | - Yafeng Yu
- Department of Otolaryngology, the First Affiliated Hospital of Soochow University, Suzhou 215006, PR China.
| | - Jin Tao
- Department of Physiology and Neurobiology & Centre for Ion Channelopathy, Medical College of Soochow University, Suzhou 215123, PR China; Jiangsu Key Laboratory of Neuropsychiatric Diseases, Soochow University, Suzhou 215123, PR China.
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27
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Zhang X, Kong Z, Xu X, Yun X, Chao J, Ding D, Li T, Gao Y, Guan N, Zhu C, Qin X. ARRB1 Drives Gallbladder Cancer Progression by Facilitating TAK1/MAPK Signaling Activation. J Cancer 2021; 12:1926-1935. [PMID: 33753990 PMCID: PMC7974532 DOI: 10.7150/jca.53325] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/29/2020] [Indexed: 12/12/2022] Open
Abstract
Gallbladder carcinoma (GBC) is the most common malignancy of the biliary tract, with a dismal 5-year survival of 5%. Recently, ARRB1, as a molecular scaffold, has been proposed to participate in the progression of multiple malignancies. However, the effect and regulatory mechanisms of ARRB1 in GBC have not been investigated. Our study aimed to explore the biological functional status and the possible molecular mechanisms of ARRB1 with respect to GBC progression. The survey showed that human GBC tissues exhibited increased levels of ARRB1 compared with normal tissues, and the high expression of ARRB1 was associated with poor prognosis of GBC patients. A series of in vitro and in vivo functional experiments based on knockdown of ARRB1 uncovered that ARRB1 enhanced GBC cell proliferation, migration, and invasion. Furthermore, we reported that TAK1, a component of the TNF /MAPK pathway, is a vital downstream effector of ARRB1. In addition, siTAK1 could abolish the functional changes between ARRB1 overexpression GBC cells and control ones. Our data revealed that ARRB1 facilitated the carcinogenesis and development of GBC through TNF/TAK1/MAPK axis, suggesting that ARRB1 may be a promising biomarker and treatment target for GBC patients.
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Affiliation(s)
- Xudong Zhang
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China.,Nanjing Medical University, Jiangsu 210000, P.R. China
| | - Zhijun Kong
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China.,Nanjing Medical University, Jiangsu 210000, P.R. China
| | - Xiaoliang Xu
- Department of Hepatobiliary Surgery of Nanjing Drum Tower Hospital, Nanjing Medical University, Jiangsu 210000, China
| | - Xiao Yun
- Nanjing Medical University, Jiangsu 210000, P.R. China
| | - Jiadeng Chao
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China
| | - Dong Ding
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China
| | - Tao Li
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China
| | - Yuan Gao
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China
| | - Naifu Guan
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China
| | - Chunfu Zhu
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China
| | - Xihu Qin
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, XingLong Road 29#, Changzhou, Jiangsu 213000, P.R. China.,Nanjing Medical University, Jiangsu 210000, P.R. China
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28
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YAP and endothelin-1 signaling: an emerging alliance in cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:27. [PMID: 33422090 PMCID: PMC7797087 DOI: 10.1186/s13046-021-01827-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 01/03/2021] [Indexed: 12/14/2022]
Abstract
The rational making the G protein-coupled receptors (GPCR) the centerpiece of targeted therapies is fueled by the awareness that GPCR-initiated signaling acts as pivotal driver of the early stages of progression in a broad landscape of human malignancies. The endothelin-1 (ET-1) receptors (ET-1R), known as ETA receptor (ETAR) and ETB receptor (ETBR) that belong to the GPCR superfamily, affect both cancer initiation and progression in a variety of cancer types. By the cross-talking with multiple signaling pathways mainly through the scaffold protein β-arrestin1 (β-arr1), ET-1R axis cooperates with an array of molecular determinants, including transcription factors and co-factors, strongly affecting tumor cell fate and behavior. In this scenario, recent findings shed light on the interplay between ET-1 and the Hippo pathway. In ETAR highly expressing tumors ET-1 axis induces the de-phosphorylation and nuclear accumulation of the Hippo pathway downstream effectors, the paralogous transcriptional cofactors Yes-associated protein (YAP) and Transcriptional coactivator with PDZ-binding motif (TAZ). Recent evidence have discovered that ET-1R/β-arr1 axis instigates a transcriptional interplay involving YAP and mutant p53 proteins, which share a common gene signature and cooperate in a oncogenic signaling network. Mechanistically, YAP and mutp53 are enrolled in nuclear complexes that turn on a highly selective YAP/mutp53-dependent transcriptional response. Notably, ET-1R blockade by the FDA approved dual ET-1 receptor antagonist macitentan interferes with ET-1R/YAP/mutp53 signaling interplay, through the simultaneous suppression of YAP and mutp53 functions, hampering metastasis and therapy resistance. Based on these evidences, we aim to review the recent findings linking the GPCR signaling, as for ET-1R, to YAP/TAZ signaling, underlining the clinical relevance of the blockade of such signaling network in the tumor and microenvironmental contexts. In particular, we debate the clinical implications regarding the use of dual ET-1R antagonists to blunt gain of function activity of mutant p53 proteins and thereby considering them as a potential therapeutic option for mutant p53 cancers. The identification of ET-1R/β-arr1-intertwined and bi-directional signaling pathways as targetable vulnerabilities, may open new therapeutic approaches able to disable the ET-1R-orchestrated YAP/mutp53 signaling network in both tumor and stromal cells and concurrently sensitizes to high-efficacy combined therapeutics.
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29
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Smit MJ, Schlecht-Louf G, Neves M, van den Bor J, Penela P, Siderius M, Bachelerie F, Mayor F. The CXCL12/CXCR4/ACKR3 Axis in the Tumor Microenvironment: Signaling, Crosstalk, and Therapeutic Targeting. Annu Rev Pharmacol Toxicol 2020; 61:541-563. [PMID: 32956018 DOI: 10.1146/annurev-pharmtox-010919-023340] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Elevated expression of the chemokine receptors CXCR4 and ACKR3 and of their cognate ligand CXCL12 is detected in a wide range of tumors and the tumor microenvironment (TME). Yet, the molecular mechanisms by which the CXCL12/CXCR4/ACKR3 axis contributes to the pathogenesis are complex and not fully understood. To dissect the role of this axis in cancer, we discuss its ability to impinge on canonical and less conventional signaling networks in different cancer cell types; its bidirectional crosstalk, notably with receptor tyrosine kinase (RTK) and other factors present in the TME; and the infiltration of immune cells that supporttumor progression. We discuss current and emerging avenues that target the CXCL12/CXCR4/ACKR3 axis. Coordinately targeting both RTKs and CXCR4/ACKR3 and/or CXCL12 is an attractive approach to consider in multitargeted cancer therapies. In addition, inhibiting infiltrating immune cells or reactivating the immune system along with modulating the CXCL12/CXCR4/ACKR3 axis in the TME has therapeutic promise.
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Affiliation(s)
- Martine J Smit
- Department of Medicinal Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, Netherlands;
| | - Géraldine Schlecht-Louf
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140 Clamart, France
| | - Maria Neves
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140 Clamart, France.,Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
| | - Jelle van den Bor
- Department of Medicinal Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, Netherlands;
| | - Petronila Penela
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
| | - Marco Siderius
- Department of Medicinal Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, Netherlands;
| | - Françoise Bachelerie
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140 Clamart, France
| | - Federico Mayor
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
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30
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D'Agostino G, Artinger M, Locati M, Perez L, Legler DF, Bianchi ME, Rüegg C, Thelen M, Marchese A, Rocchi MBL, Cecchinato V, Uguccioni M. β-Arrestin1 and β-Arrestin2 Are Required to Support the Activity of the CXCL12/HMGB1 Heterocomplex on CXCR4. Front Immunol 2020; 11:550824. [PMID: 33072091 PMCID: PMC7533569 DOI: 10.3389/fimmu.2020.550824] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 08/21/2020] [Indexed: 12/14/2022] Open
Abstract
The chemokine receptor CXCR4 plays a fundamental role in homeostasis and pathology by orchestrating recruitment and positioning of immune cells, under the guidance of a CXCL12 gradient. The ability of chemokines to form heterocomplexes, enhancing their function, represents an additional level of regulation on their cognate receptors. In particular, the multi-faceted activity of the heterocomplex formed between CXCL12 and the alarmin HMGB1 is emerging as an unexpected player able to modulate a variety of cell responses, spanning from tissue regeneration to chronic inflammation. Nowadays, little is known on the selective signaling pathways activated when CXCR4 is triggered by the CXCL12/HMGB1 heterocomplex. In the present work, we demonstrate that this heterocomplex acts as a CXCR4 balanced agonist, activating both G protein and β-arrestins-mediated signaling pathways to sustain chemotaxis. We generated β-arrestins knock out HeLa cells by CRISPR/Cas9 technology and show that the CXCL12/HMGB1 heterocomplex-mediated actin polymerization is primarily β-arrestin1 dependent, while chemotaxis requires both β-arrestin1 and β-arrestin2. Triggering of CXCR4 with the CXCL12/HMGB1 heterocomplex leads to an unexpected receptor retention on the cell surface, which depends on β-arrestin2. In conclusion, the CXCL12/HMGB1 heterocomplex engages the β-arrestin proteins differently from CXCL12, promoting a prompt availability of CXCR4 on the cell surface, and enhancing directional cell migration. These data unveil the signaling induced by the CXCL12/HMGB1 heterocomplex in view of identifying biased CXCR4 antagonists or agonists targeting the variety of functions it exerts.
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Affiliation(s)
- Gianluca D'Agostino
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Marc Artinger
- Biotechnology Institute Thurgau (BITg) at the University of Konstanz, Kreuzlingen, Switzerland
| | - Massimo Locati
- Humanitas Clinical and Research Center IRCCS, Rozzano, Italy.,Department of Medical Biotechnologies and Translational Medicine, University of Milan, Milan, Italy
| | - Laurent Perez
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Daniel F Legler
- Biotechnology Institute Thurgau (BITg) at the University of Konstanz, Kreuzlingen, Switzerland.,Theodor Kocher Institute, University of Bern, Bern, Switzerland
| | - Marco E Bianchi
- Division of Genetics and Cell Biology, Vita-Salute San Raffaele University, Milan, Italy
| | - Curzio Rüegg
- Department of Oncology, Microbiology and Immunology, Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
| | - Marcus Thelen
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Adriano Marchese
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Marco B L Rocchi
- Department of Biomolecular Sciences, Biostatistics Unit, University of Urbino, Urbino, Italy
| | - Valentina Cecchinato
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Mariagrazia Uguccioni
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
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31
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TSH/IGF1 receptor crosstalk: Mechanism and clinical implications. Pharmacol Ther 2020; 209:107502. [PMID: 32061922 DOI: 10.1016/j.pharmthera.2020.107502] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 02/05/2020] [Indexed: 02/07/2023]
Abstract
Increasing evidence of interdependence between G protein-coupled receptors and receptor tyrosine kinase signaling pathways has prompted reevaluation of crosstalk between these receptors in disease and therapy. Investigations into thyroid-stimulating hormone (TSH) and insulin-like growth factor 1 (IGF1) receptor crosstalk, and its application to the clinic have in particular shown recent progress. In this review, we summarize current insights into the mechanism of TSH/IGF1 receptor crosstalk. We discuss evidence that crosstalk is one of the underlying causes of TSHR-based disease and the feasibility of using combinations of TSH receptor and IGF1 receptor antagonists to increase the therapeutic index for the treatment of Graves' hyperthyroidism and Graves' ophthalmopathy.
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32
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Shukla AK, Dwivedi-Agnihotri H. Structure and function of β-arrestins, their emerging role in breast cancer, and potential opportunities for therapeutic manipulation. Adv Cancer Res 2020; 145:139-156. [PMID: 32089163 DOI: 10.1016/bs.acr.2020.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
β-Arrestins (βarrs) are multifunctional intracellular proteins with an ability to directly interact with a large number of cellular partners including the G protein-coupled receptors (GPCRs). βarrs contribute to multiple aspects of GPCR signaling, trafficking and downregulation. Considering the central involvement of GPCR signaling in the onset and progression of diverse types of cancers, βarrs have also emerged as key players in the context of investigating cancer phenotypes, and as potential therapeutic targets. In this chapter, we first provide a brief account of structure and function of βarrs and then highlight recent discoveries unfolding novel functional attributes of βarrs in breast cancer. We also underscore the recent paradigms of modulating βarr functions in cellular context and potential therapeutic opportunities going forward.
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Affiliation(s)
- Arun K Shukla
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology, Kanpur, India.
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33
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The Cytoskeleton as Regulator of Cell Signaling Pathways. Trends Biochem Sci 2019; 45:96-107. [PMID: 31812462 DOI: 10.1016/j.tibs.2019.11.003] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 11/04/2019] [Accepted: 11/07/2019] [Indexed: 02/06/2023]
Abstract
During interphase, filamentous actin, microtubules, and intermediate filaments regulate cell shape, motility, transport, and interactions with the environment. These activities rely on signaling events that control cytoskeleton properties. Recent studies uncovered mechanisms that go far beyond this one-directional flow of information. Thus, the three branches of the cytoskeleton impinge on signaling pathways to determine their activities. We propose that this regulatory role of the cytoskeleton provides sophisticated mechanisms to control the spatiotemporal output and the intensity of signaling events. Specific examples emphasize these emerging contributions of the cytoskeleton to cell physiology. In our opinion, further exploration of these pathways will uncover new concepts of cellular communication that originate from the cytoskeleton.
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