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Salem O, Jia S, Qian BZ, Hansen CG. AR activates YAP/TAZ differentially in prostate cancer. Life Sci Alliance 2023; 6:e202201620. [PMID: 37385752 PMCID: PMC10310930 DOI: 10.26508/lsa.202201620] [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: 07/20/2022] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 07/01/2023] Open
Abstract
The Hippo signalling pathway is a master regulator of cell growth, proliferation, and cancer. The transcriptional coregulators of the Hippo pathway, YAP and TAZ, are central in various cancers. However, how YAP and TAZ get activated in most types of cancers is not well understood. Here, we show that androgens activate YAP/TAZ via the androgen receptor (AR) in prostate cancer (PCa), and that this activation is differential. AR regulates YAP translation while inducing transcription of the TAZ encoding gene, WWTR1 Furthermore, we show that AR-mediated YAP/TAZ activation is regulated by the RhoA GTPases transcriptional mediator, serum response factor (SRF). Importantly, in prostate cancer patients, SRF expression positively correlates with TAZ and the YAP/TAZ target genes CYR61 and CTGF We demonstrate that YAP/TAZ are not essential for sustaining AR activity, however, targeting YAP/TAZ or SRF sensitize PCa cells to AR inhibition in anchorage-independent growth conditions. Our findings dissect the cellular roles of YAP, TAZ, and SRF in prostate cancer cells. Our data emphasize the interplay between these transcriptional regulators and their roles in prostate tumorigenesis and highlight how these insights might be exploited therapeutically.
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Affiliation(s)
- Omar Salem
- The University of Edinburgh, Centre for Inflammation Research, Edinburgh BioQuarter, Edinburgh, UK
- Institute for Regeneration and Repair, The University of Edinburgh, Edinburgh BioQuarter, Edinburgh, UK
| | - Siyang Jia
- The University of Edinburgh, Centre for Inflammation Research, Edinburgh BioQuarter, Edinburgh, UK
- Institute for Regeneration and Repair, The University of Edinburgh, Edinburgh BioQuarter, Edinburgh, UK
| | - Bin-Zhi Qian
- Medical Research Council Centre for Reproductive Health, College of Medicine and Veterinary Medicine, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, UK
| | - Carsten Gram Hansen
- The University of Edinburgh, Centre for Inflammation Research, Edinburgh BioQuarter, Edinburgh, UK
- Institute for Regeneration and Repair, The University of Edinburgh, Edinburgh BioQuarter, Edinburgh, UK
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2
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Mourkioti I, Angelopoulou A, Belogiannis K, Lagopati N, Potamianos S, Kyrodimos E, Gorgoulis V, Papaspyropoulos A. Interplay of Developmental Hippo-Notch Signaling Pathways with the DNA Damage Response in Prostate Cancer. Cells 2022; 11:cells11152449. [PMID: 35954292 PMCID: PMC9367915 DOI: 10.3390/cells11152449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/01/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
Prostate cancer belongs in the class of hormone-dependent cancers, representing a major cause of cancer incidence in men worldwide. Since upon disease onset almost all prostate cancers are androgen-dependent and require active androgen receptor (AR) signaling for their survival, the primary treatment approach has for decades relied on inhibition of the AR pathway via androgen deprivation therapy (ADT). However, following this line of treatment, cancer cell pools often become resistant to therapy, contributing to disease progression towards the significantly more aggressive castration-resistant prostate cancer (CRPC) form, characterized by poor prognosis. It is, therefore, of critical importance to elucidate the molecular mechanisms and signaling pathways underlying the progression of early-stage prostate cancer towards CRPC. In this review, we aim to shed light on the role of major signaling pathways including the DNA damage response (DDR) and the developmental Hippo and Notch pathways in prostate tumorigenesis. We recapitulate key evidence demonstrating the crosstalk of those pathways as well as with pivotal prostate cancer-related 'hubs' such as AR signaling, and evaluate the clinical impact of those interactions. Moreover, we attempt to identify molecules of the complex DDR-Hippo-Notch interplay comprising potentially novel therapeutic targets in the battle against prostate tumorigenesis.
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Affiliation(s)
- Ioanna Mourkioti
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National Kapodistrian University of Athens (NKUA), 11527 Athens, Greece
| | - Andriani Angelopoulou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National Kapodistrian University of Athens (NKUA), 11527 Athens, Greece
| | - Konstantinos Belogiannis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National Kapodistrian University of Athens (NKUA), 11527 Athens, Greece
| | - Nefeli Lagopati
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National Kapodistrian University of Athens (NKUA), 11527 Athens, Greece
- Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | - Spyridon Potamianos
- First ENT Department, Hippocration Hospital, University of Athens, 11527 Athens, Greece
| | - Efthymios Kyrodimos
- First ENT Department, Hippocration Hospital, University of Athens, 11527 Athens, Greece
| | - Vassilis Gorgoulis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National Kapodistrian University of Athens (NKUA), 11527 Athens, Greece
- Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
- Clinical Molecular Pathology, Medical School, University of Dundee, Dundee DD1 9SY, UK
- Molecular and Clinical Cancer Sciences, Manchester Cancer Research Centre, Manchester Academic Health Sciences Centre, University of Manchester, Manchester M20 4GJ, UK
- Center for New Biotechnologies and Precision Medicine, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
- Faculty of Health and Medical Sciences, University of Surrey, Surrey GU2 7YH, UK
- Correspondence: (V.G.); (A.P.); Tel.: +30-210-7462352 (V.G.); +30-210-7462174 (A.P.)
| | - Angelos Papaspyropoulos
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National Kapodistrian University of Athens (NKUA), 11527 Athens, Greece
- Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
- Correspondence: (V.G.); (A.P.); Tel.: +30-210-7462352 (V.G.); +30-210-7462174 (A.P.)
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3
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Takeda T, Yamamoto Y, Tsubaki M, Matsuda T, Kimura A, Shimo N, Nishida S. PI3K/Akt/YAP signaling promotes migration and invasion of DLD‑1 colorectal cancer cells. Oncol Lett 2022; 23:106. [DOI: 10.3892/ol.2022.13226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 01/25/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Tomoya Takeda
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
| | - Yuuta Yamamoto
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
| | - Masanobu Tsubaki
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
| | - Takuya Matsuda
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
| | - Akihiro Kimura
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
| | - Natsumi Shimo
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
| | - Shozo Nishida
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Higashi‑Osaka, Osaka 577‑8502, Japan
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4
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Han Y, Liu D, Li L. Increased expression of TAZ and associated upregulation of PD-L1 in cervical cancer. Cancer Cell Int 2021; 21:592. [PMID: 34736474 PMCID: PMC8567592 DOI: 10.1186/s12935-021-02287-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 10/20/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND As an important component of the Hippo pathway, WW domain-containing transcription regulator 1 (TAZ), is a transcriptional coactivator that is responsible for the progression of various types of cancers. Programmed cell death protein 1 (PD-1) receptors in activated T cells and their ligand programming death force 1 (PD-L1) are the main checkpoint signals that control T cell activity. Studies have shown high levels of PD-L1 in various cancers and that PD-L1/PD-1 signals to evade T-cell immunity. Recent data have demonstrated that TAZ can regulate the characteristics of cancer cells via PD-L1. Cervical cancer is a common gynecological disease worldwide. In this study, we attempted to evaluate the effects of TAZ and PD-L1 on cervical cancer. METHODS Hela cervical cancer cells were transfected with TAZ plasmid or TAZ siRNA or PD-L1 siRNA by using Lipofectamine 2000. The relationship between TAZ and PD-L1 in cervical cancer cells was determined by qRT-PCR and western blotting. The functional roles of TAZ were confirmed via CCK-8, Transwell and flow cytometry assays. Western blotting was utilized to observe the expression of BCL-2 and Caspase-3. The clinicopathological correlation of TAZ and PD-L1 was evaluated via relevant databases. RESULT TAZ is upregulated in cervical cancer and induces the growth and metastasis of cervical cancer cells by targeting PD-L1and inhibiting the ratio of apoptotic of cancer cells. High TAZ and PD-L1 expression was observed in different stage, grade, histological patterns, and ages of cervical cancer groups compared with normal cervix groups. Furthermore, high TAZ expression was positively correlated with the infiltration levels of immune cells and the expression of PD-L1.
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Affiliation(s)
- Yanyan Han
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.
| | - Dandan Liu
- The Fourth Medical Center of The General Hospital of the Chinese People's Liberation Army, Beijing, 100048, China
| | - Lianhong Li
- Pathology Department of Dalian Medical University, Liaoning, 116044, China
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Wang M, Dai M, Wang D, Xiong W, Zeng Z, Guo C. The regulatory networks of the Hippo signaling pathway in cancer development. J Cancer 2021; 12:6216-6230. [PMID: 34539895 PMCID: PMC8425214 DOI: 10.7150/jca.62402] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/15/2021] [Indexed: 01/14/2023] Open
Abstract
The Hippo signaling pathway is a relatively young tumor-related signaling pathway. Although it was discovered lately, research on it developed rapidly. The Hippo signaling pathway is closely relevant to the occurrence and development of tumors and the maintenance of organ size and other biological processes. This manuscript focuses on YAP, the core molecule of the Hippo signaling pathway, and discussion the upstream and downstream regulatory networks of the Hippo signaling pathway during tumorigenesis and development. It also summarizes the relevant drugs involved in this signaling pathway, which may be helpful to the development of targeted drugs for cancer therapy.
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Affiliation(s)
- Maonan Wang
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Manli Dai
- Hunan Food and Drug Vocational College, Changsha 410036, China
| | - Dan Wang
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Zhaoyang Zeng
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Can Guo
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan, China
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Drosophila Accessory Gland: A Complementary In Vivo Model to Bring New Insight to Prostate Cancer. Cells 2021; 10:cells10092387. [PMID: 34572036 PMCID: PMC8468328 DOI: 10.3390/cells10092387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022] Open
Abstract
Prostate cancer is the most common cancer in aging men. Despite recent progress, there are still few effective treatments to cure its aggressive and metastatic stages. A better understanding of the molecular mechanisms driving disease initiation and progression appears essential to support the development of more efficient therapies and improve patient care. To do so, multiple research models, such as cell culture and mouse models, have been developed over the years and have improved our comprehension of the biology of the disease. Recently, a new model has been added with the use of the Drosophila accessory gland. With a high level of conservation of major signaling pathways implicated in human disease, this functional equivalent of the prostate represents a powerful, inexpensive, and rapid in vivo model to study epithelial carcinogenesis. The purpose of this review is to quickly overview the existing prostate cancer models, including their strengths and limitations. In particular, we discuss how the Drosophila accessory gland can be integrated as a convenient complementary model by bringing new understanding in the mechanisms driving prostate epithelial tumorigenesis, from initiation to metastatic formation.
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7
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Unraveling the IGF System Interactome in Sarcomas Exploits Novel Therapeutic Options. Cells 2021; 10:cells10082075. [PMID: 34440844 PMCID: PMC8392407 DOI: 10.3390/cells10082075] [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: 07/17/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 12/15/2022] Open
Abstract
Aberrant bioactivity of the insulin-like growth factor (IGF) system results in the development and progression of several pathologic conditions including cancer. Preclinical studies have shown promising anti-cancer therapeutic potentials for anti-IGF targeted therapies. However, a clear but limited clinical benefit was observed only in a minority of patients with sarcomas. The molecular complexity of the IGF system, which comprises multiple regulators and interactions with other cancer-related pathways, poses a major limitation in the use of anti-IGF agents and supports the need of combinatorial therapeutic strategies to better tackle this axis. In this review, we will initially highlight multiple mechanisms underlying IGF dysregulation in cancer and then focus on the impact of the IGF system and its complexity in sarcoma development and progression as well as response to anti-IGF therapies. We will also discuss the role of Ephrin receptors, Hippo pathway, BET proteins and CXCR4 signaling, as mediators of sarcoma malignancy and relevant interactors with the IGF system in tumor cells. A deeper understanding of these molecular interactions might provide the rationale for novel and more effective therapeutic combinations to treat sarcomas.
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8
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MicroRNAs in Epithelial-Mesenchymal Transition Process of Cancer: Potential Targets for Chemotherapy. Int J Mol Sci 2021; 22:ijms22147526. [PMID: 34299149 PMCID: PMC8305963 DOI: 10.3390/ijms22147526] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/07/2021] [Accepted: 07/10/2021] [Indexed: 12/12/2022] Open
Abstract
In the last decades, a kind of small non-coding RNA molecules, called as microRNAs, has been applied as negative regulators in various types of cancer treatment through down-regulation of their targets. More recent studies exert that microRNAs play a critical role in the EMT process of cancer, promoting or inhibiting EMT progression. Interestingly, accumulating evidence suggests that pure compounds from natural plants could modulate deregulated microRNAs to inhibit EMT, resulting in the inhibition of cancer development. This small essay is on the purpose of demonstrating the significance and function of microRNAs in the EMT process as oncogenes and tumor suppressor genes according to studies mainly conducted in the last four years, providing evidence of efficient target therapy. The review also summarizes the drug candidates with the ability to restrain EMT in cancer through microRNA regulation.
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Kukkonen K, Taavitsainen S, Huhtala L, Uusi-Makela J, Granberg KJ, Nykter M, Urbanucci A. Chromatin and Epigenetic Dysregulation of Prostate Cancer Development, Progression, and Therapeutic Response. Cancers (Basel) 2021; 13:3325. [PMID: 34283056 PMCID: PMC8268970 DOI: 10.3390/cancers13133325] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/25/2021] [Accepted: 06/29/2021] [Indexed: 02/07/2023] Open
Abstract
The dysregulation of chromatin and epigenetics has been defined as the overarching cancer hallmark. By disrupting transcriptional regulation in normal cells and mediating tumor progression by promoting cancer cell plasticity, this process has the ability to mediate all defined hallmarks of cancer. In this review, we collect and assess evidence on the contribution of chromatin and epigenetic dysregulation in prostate cancer. We highlight important mechanisms leading to prostate carcinogenesis, the emergence of castration-resistance upon treatment with androgen deprivation therapy, and resistance to antiandrogens. We examine in particular the contribution of chromatin structure and epigenetics to cell lineage commitment, which is dysregulated during tumorigenesis, and cell plasticity, which is altered during tumor progression.
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Affiliation(s)
- Konsta Kukkonen
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, 33520 Tampere, Finland; (K.K.); (S.T.); (L.H.); (J.U.-M.); (K.J.G.); (M.N.)
| | - Sinja Taavitsainen
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, 33520 Tampere, Finland; (K.K.); (S.T.); (L.H.); (J.U.-M.); (K.J.G.); (M.N.)
| | - Laura Huhtala
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, 33520 Tampere, Finland; (K.K.); (S.T.); (L.H.); (J.U.-M.); (K.J.G.); (M.N.)
| | - Joonas Uusi-Makela
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, 33520 Tampere, Finland; (K.K.); (S.T.); (L.H.); (J.U.-M.); (K.J.G.); (M.N.)
| | - Kirsi J. Granberg
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, 33520 Tampere, Finland; (K.K.); (S.T.); (L.H.); (J.U.-M.); (K.J.G.); (M.N.)
| | - Matti Nykter
- Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, 33520 Tampere, Finland; (K.K.); (S.T.); (L.H.); (J.U.-M.); (K.J.G.); (M.N.)
| | - Alfonso Urbanucci
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, 0424 Oslo, Norway
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Mohajan S, Jaiswal PK, Vatanmakarian M, Yousefi H, Sankaralingam S, Alahari SK, Koul S, Koul HK. Hippo pathway: Regulation, deregulation and potential therapeutic targets in cancer. Cancer Lett 2021; 507:112-123. [PMID: 33737002 PMCID: PMC10370464 DOI: 10.1016/j.canlet.2021.03.006] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 01/25/2023]
Abstract
Hippo pathway is a master regulator of development, cell proliferation, stem cell function, tissue regeneration, homeostasis, and organ size control. Hippo pathway relays signals from different extracellular and intracellular events to regulate cell behavior and functions. Hippo pathway is conserved from Protista to eukaryotes. Deregulation of the Hippo pathway is associated with numerous cancers. Alteration of the Hippo pathway results in cell invasion, migration, disease progression, and therapy resistance in cancers. However, the function of the various components of the mammalian Hippo pathway is yet to be elucidated in detail especially concerning tumor biology. In the present review, we focused on the Hippo pathway in different model organisms, its regulation and deregulation, and possible therapeutic targets for cancer treatment.
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Affiliation(s)
- Suman Mohajan
- Department of Biochemistry and Molecular Biology, LSUHSC, Shreveport, USA
| | - Praveen Kumar Jaiswal
- Department of Biochemistry and Molecular Biology, LSUHSC, School of Medicine, New Orleans, USA; Stanley S. Scott Cancer Center, LSUHSC, New Orleans, USA
| | - Mousa Vatanmakarian
- Department of Biochemistry and Molecular Biology, LSUHSC, School of Medicine, New Orleans, USA
| | - Hassan Yousefi
- Department of Biochemistry and Molecular Biology, LSUHSC, School of Medicine, New Orleans, USA
| | | | - Suresh K Alahari
- Department of Biochemistry and Molecular Biology, LSUHSC, School of Medicine, New Orleans, USA; Stanley S. Scott Cancer Center, LSUHSC, New Orleans, USA
| | - Sweaty Koul
- Stanley S. Scott Cancer Center, LSUHSC, New Orleans, USA
| | - Hari K Koul
- Department of Biochemistry and Molecular Biology, LSUHSC, School of Medicine, New Orleans, USA; Urology, LSUHSC, School of Medicine, New Orleans, USA; Stanley S. Scott Cancer Center, LSUHSC, New Orleans, USA.
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