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Taylor J, Dubois F, Bergot E, Levallet G. Targeting the Hippo pathway to prevent radioresistance brain metastases from the lung (Review). Int J Oncol 2024; 65:68. [PMID: 38785155 PMCID: PMC11155713 DOI: 10.3892/ijo.2024.5656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 03/04/2024] [Indexed: 05/25/2024] Open
Abstract
The prognosis for patients with non‑small cell lung cancer (NSCLC), a cancer type which represents 85% of all lung cancers, is poor with a 5‑year survival rate of 19%, mainly because NSCLC is diagnosed at an advanced and metastatic stage. Despite recent therapeutic advancements, ~50% of patients with NSCLC will develop brain metastases (BMs). Either surgical BM treatment alone for symptomatic patients and patients with single cerebral metastases, or in combination with stereotactic radiotherapy (RT) for patients who are not suitable for surgery or presenting with fewer than four cerebral lesions with a diameter range of 5‑30 mm, or whole‑brain RT for numerous or large BMs can be administered. However, radioresistance (RR) invariably prevents the action of RT. Several mechanisms of RR have been described including hypoxia, cellular stress, presence of cancer stem cells, dysregulation of apoptosis and/or autophagy, dysregulation of the cell cycle, changes in cellular metabolism, epithelial‑to‑mesenchymal transition, overexpression of programmed cell death‑ligand 1 and activation several signaling pathways; however, the role of the Hippo signaling pathway in RR is unclear. Dysregulation of the Hippo pathway in NSCLC confers metastatic properties, and inhibitors targeting this pathway are currently in development. It is therefore essential to evaluate the effect of inhibiting the Hippo pathway, particularly the effector yes‑associated protein‑1, on cerebral metastases originating from lung cancer.
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Affiliation(s)
- Jasmine Taylor
- University of Caen Normandy, National Center for Scientific Research, Normandy University, Unit of Imaging and Therapeutic Strategies for Cancers and Cerebral Tissues (ISTCT)-UMR6030, GIP CYCERON, F-14074 Caen, France
| | - Fatéméh Dubois
- University of Caen Normandy, National Center for Scientific Research, Normandy University, Unit of Imaging and Therapeutic Strategies for Cancers and Cerebral Tissues (ISTCT)-UMR6030, GIP CYCERON, F-14074 Caen, France
- Departments of Pathology, and Thoracic Oncology, Caen University Hospital, F-14033 Caen, France
| | - Emmanuel Bergot
- University of Caen Normandy, National Center for Scientific Research, Normandy University, Unit of Imaging and Therapeutic Strategies for Cancers and Cerebral Tissues (ISTCT)-UMR6030, GIP CYCERON, F-14074 Caen, France
- Departments of Pneumology and Thoracic Oncology, Caen University Hospital, F-14033 Caen, France
| | - Guénaëlle Levallet
- University of Caen Normandy, National Center for Scientific Research, Normandy University, Unit of Imaging and Therapeutic Strategies for Cancers and Cerebral Tissues (ISTCT)-UMR6030, GIP CYCERON, F-14074 Caen, France
- Departments of Pathology, and Thoracic Oncology, Caen University Hospital, F-14033 Caen, France
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2
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Manucci AC, Fiore APZP, Genesi GL, Bruni-Cardoso A. The basement membrane regulates the cellular localization and the cytoplasmic interactome of Yes-Associated Protein (YAP) in mammary epithelial cells. J Cell Biochem 2024; 125:e30606. [PMID: 38779980 DOI: 10.1002/jcb.30606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 04/16/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
The Hippo pathway, a signaling cascade involved in the regulation of organ size and several other processes, acts as a conduit between extracellular matrix (ECM) cues and cellular responses. We asked whether the basement membrane (BM), a specialized ECM component known to induce quiescence and differentiation in mammary epithelial cells, would regulate the localization, activity, and interactome of YAP, a Hippo pathway effector. To address this question, we used a broad range of experimental approaches, including 2D and 3D cultures of both mouse and human mammary epithelial cells, as well as the developing mouse mammary gland. In contrast to malignant cells, nontumoral cells cultured with a reconstituted BM (rBM) displayed higher concentrations of YAP in the cytoplasm. Incidentally, when in the nucleus of rBM-treated cells, YAP resided preferentially at the nuclear periphery. In agreement with our cell culture experiments, YAP exhibited cytoplasmic predominance in ductal cells of developing mammary epithelia, where a denser BM is found. Conversely, terminal end bud (TEB) cells with a thinner BM displayed higher nucleus-to-cytoplasm ratios of YAP. Bioinformatic analysis revealed that genes regulated by YAP were overrepresented in the transcriptomes of microdissected TEBs. Consistently, mouse epithelial cells exposed to the rBM expressed lower levels of YAP-regulated genes, although the protein level of YAP and Hippo components were slightly altered by the treatment. Mass spectrometry analysis identified a differential set of proteins interacting with YAP in cytoplasmic fractions of mouse epithelial cells in the absence or presence of rBM. In untreated cells, YAP interactants were enriched in processes related to ubiquitin-mediated proteolysis, whereas in cells exposed to rBM YAP interactants were mainly key proteins related to amino acid, amino sugar, and carbohydrate metabolism. Collectively, we unraveled that the BM induces YAP translocation or retention in the cytoplasm of nontumoral epithelial cells and that in the cytoplasm YAP seems to undertake novel functions in metabolic pathways.
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Affiliation(s)
- Antonio Carlos Manucci
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | | | - Giovani Luiz Genesi
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Alexandre Bruni-Cardoso
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
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3
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Wang L, Liu X, Han Y, Tsai HI, Dan Z, Yang P, Xu Z, Shu F, He C, Eriksson JE, Zhu H, Chen H, Cheng F. TRAF6 enhances PD-L1 expression through YAP1-TFCP2 signaling in melanoma. Cancer Lett 2024; 590:216861. [PMID: 38583649 DOI: 10.1016/j.canlet.2024.216861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 03/30/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
Immunotherapy represented by programmed cell death protein 1 (PD-1)/programmed death ligand 1 (PD-L1) monoclonal antibodies has led tumor treatment into a new era. However, the low overall response rate and high incidence of drug resistance largely damage the clinical benefits of existing immune checkpoint therapies. Recent studies correlate the response to PD-1/PD-L1 blockade with PD-L1 expression levels in tumor cells. Hence, identifying molecular targets and pathways controlling PD-L1 protein expression and stability in tumor cells is a major priority. In this study, we performed a Stress and Proteostasis CRISPR interference screening to identify PD-L1 positive modulators. Here, we identified TRAF6 as a critical regulator of PD-L1 in melanoma cells. As a non-conventional E3 ubiquitin ligase, TRAF6 is inclined to catalyze the synthesis and linkage of lysine-63 (K63) ubiquitin which is related to the stabilization of substrate proteins. Our results showed that suppression of TRAF6 expression down-regulates PD-L1 expression on the membrane surface of melanoma cells. We then used in vitro and in vivo assays to investigate the biological function and mechanism of TRAF6 and its downstream YAP1/TFCP2 signaling in melanoma. TRAF6 stabilizes YAP1 by K63 poly-ubiquitination modification, subsequently promoting the formation of YAP1/TFCP2 transcriptional complex and PD-L1 transcription. Inhibition of TRAF6 by Bortezomib enhanced cytolytic activity of CD8+ T cells by reduction of endogenous PD-L1. Notably, Bortezomib enhances anti-tumor immunity to an extent comparable to anti-PD-1 therapies with no obvious toxicity. Our findings reveal the potential of inhibiting TRAF6 to stimulate internal anti-tumor immunological effect for TRAF6-PD-L1 overexpressing cancers.
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Affiliation(s)
- Linglu Wang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Xiaoyan Liu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Yuhang Han
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Hsiang-I Tsai
- Institute of Medical Imaging and Artificial Intelligence, Jiangsu University, Zhenjiang, China
| | - Zilin Dan
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Peiru Yang
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Zhanxue Xu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Fan Shu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Chao He
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - John E Eriksson
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Haitao Zhu
- Institute of Medical Imaging and Artificial Intelligence, Jiangsu University, Zhenjiang, China.
| | - Hongbo Chen
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China.
| | - Fang Cheng
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China.
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4
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Zhan Y, Wu G, Fan X, Fu Z, Ni Y, Sun B, Chen H, Chen T, Wang X. YAP upregulates AMPKα1 to induce cancer cell senescence. Int J Biochem Cell Biol 2024; 170:106559. [PMID: 38499237 DOI: 10.1016/j.biocel.2024.106559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 03/20/2024]
Abstract
Yes-associated protein (YAP)-a major effector protein of the Hippo pathway- regulates cell proliferation, differentiation, apoptosis, and senescence. Amp-activated protein kinase (AMPK) is a key sensor that monitors cellular nutrient supply and energy status. Although YAP and AMPK are considered to regulate cellular senescence, it is still unclear whether AMPK is involved in YAP-regulated cellular senescence. Here, we found that YAP promoted AMPKα1 aggregation and localization around mitochondria by co-transfecting CFP-YAP and YFP-AMPKα1 plasmids. Subsequent live cell fluorescence resonance energy transfer (FRET) assay did not exhibit direct interaction between YAP and AMPKα1. FRET, Co-immunoprecipitation, and western blot experiments revealed that YAP directly bound to TEAD, enhancing the expression of AMPKα1 and p-AMPKα. Treatment with verteporfin inhibited YAP's binding to TEAD and reversed the elevated expression of AMPKα1 in the cells overexpressing CFP-YAP. Verteporfin also reduced the proportion of AMPKα1 puncta in the cells co-expressing CFP-YAP and YFP-AMPKα1. In addition, the AMPKα1 puncta were demonstrated to inhibit cell viability, autophagy, and proliferation, and ultimately promote cell senescence. In conclusion, YAP binds to TEAD to upregulate AMPKα1 and promotes the formation of AMPKα1 puncta around mitochondria under the condition of co-expression of CFP-YAP and YFP-AMPKα1, in which AMPKα1 puncta lead to cellular senescence.
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Affiliation(s)
- Yongtong Zhan
- Department of Pain Management, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Guihao Wu
- Department of Pain Management, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Xuhong Fan
- Department of Pain Management, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Ze Fu
- Department of Pain Management, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Yue Ni
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Beini Sun
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Hongce Chen
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Tongsheng Chen
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Xiaoping Wang
- Department of Pain Management, the First Affiliated Hospital of Jinan University, Guangzhou 510630, China.
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Zhang P, Liu D, Zang Y, Wang J, Liu Z, Zhu J, Li X, Ding Y. USP12 facilitates gastric cancer progression via stabilizing YAP. Cell Death Discov 2024; 10:174. [PMID: 38605077 PMCID: PMC11009230 DOI: 10.1038/s41420-024-01943-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/29/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024] Open
Abstract
The dysregulation of Hippo signaling is a crucial factor driving the progression of gastric cancer, making the targeting of the Hippo pathway a promising therapeutic strategy. However, effective drugs targeting the Hippo/YAP axis remain unavailable. Thus, identifying potential therapeutic targets and mechanisms that inhibit the activity of the Hippo/YAP axis in gastric cancer is of paramount importance. The ubiquitination modification of the Hippo/YAP pathway plays a significant role in signaling transduction and cancer progression. In an effort to shed light on effective therapeutic targets, we conducted a screening using a deubiquitinase small interfering RNA library, leading to the identification of USP12 as an important deubiquitinase in the context of Hippo/YAP axis and the progression of gastric cancer. Our bioinformatic analysis further demonstrated a correlation between USP12 and poor survival, as well as a positive association with classical YAP target genes in gastric cancer samples. Notably, USP12 depletion was found to inhibit gastric cancer progression via the Hippo/YAP axis, whereas USP12 overexpression exhibited the opposite effect, promoting gastric cancer growth and enhancing YAP activity. Further studies through immuno-staining and immuno-precipitation assays indicated the nuclear localization of USP12 and its association with YAP to enhance YAP stability. Specifically, our findings revealed that USP12 could inhibit K48-linked poly-ubiquitination of YAP, predominantly at the K315 site. As a result, we have identified a novel regulatory mechanism involving USP12 and Hippo signaling in the progression of gastric cancer, with the potential for blockade of USP12 to materialize as a promising strategy for combating gastric cancer.
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Affiliation(s)
- Peng Zhang
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, Shandong, PR China
| | - Dongyi Liu
- Department of Anaesthesiology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, Shandong, PR China
| | - Yifeng Zang
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, Shandong, PR China
| | - Jinqing Wang
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, Shandong, PR China
| | - Ziping Liu
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, Shandong, PR China.
| | - Jian Zhu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, 110000, Liaoning, PR China.
| | - Xin Li
- Xinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, 453003, Henan, PR China.
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Shenyang, 110000, Liaoning, PR China.
| | - Yinlu Ding
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, Shandong, PR China.
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6
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Song S, Ma X. E2 enzyme Bruce negatively regulates Hippo signaling through POSH-mediated expanded degradation. Cell Death Dis 2023; 14:602. [PMID: 37699871 PMCID: PMC10497580 DOI: 10.1038/s41419-023-06130-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/25/2023] [Accepted: 09/06/2023] [Indexed: 09/14/2023]
Abstract
The Hippo pathway is a master regulator of organ growth, stem cell renewal, and tumorigenesis, its activation is tightly controlled by various post-translational modifications, including ubiquitination. While several E3 ubiquitin ligases have been identified as regulators of Hippo pathway, the corresponding E2 ubiquitin-conjugating enzymes (E2s) remain unknown. Here, we performed a screen in Drosophila to identify E2s involved in regulating wing overgrowth caused by the overexpression of Crumbs (Crb) intracellular domain and identified Bruce as a critical regulator. Loss of Bruce downregulates Hippo target gene expression and suppresses Hippo signaling inactivation induced tissue growth. Unexpectedly, our genetic data indicate that Bruce acts upstream of Expanded (Ex) but in parallel with the canonical Hippo (Hpo) -Warts (Wts) cascade to regulate Yorkie (Yki), the downstream effector of Hippo pathway. Mechanistically, Bruce synergizes with E3 ligase POSH to regulate growth and ubiquitination-mediated Ex degradation. Moreover, we demonstrate that Bruce is required for Hippo-mediated malignant tumor progression. Altogether, our findings unveil Bruce as a crucial E2 enzyme that bridges the signal from the cell surface to regulate Hippo pathway activation in Drosophila.
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Affiliation(s)
- Sha Song
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, 310024, Zhejiang, China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, 310024, Zhejiang, China
| | - Xianjue Ma
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, 310024, Zhejiang, China.
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, 310024, Zhejiang, China.
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Wei Y, Hui VLZ, Chen Y, Han R, Han X, Guo Y. YAP/TAZ: Molecular pathway and disease therapy. MedComm (Beijing) 2023; 4:e340. [PMID: 37576865 PMCID: PMC10412783 DOI: 10.1002/mco2.340] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/27/2023] [Accepted: 07/04/2023] [Indexed: 08/15/2023] Open
Abstract
The Yes-associated protein and its transcriptional coactivator with PDZ-binding motif (YAP/TAZ) are two homologous transcriptional coactivators that lie at the center of a key regulatory network of Hippo, Wnt, GPCR, estrogen, mechanical, and metabolism signaling. YAP/TAZ influences the expressions of downstream genes and proteins as well as enzyme activity in metabolic cycles, cell proliferation, inflammatory factor expression, and the transdifferentiation of fibroblasts into myofibroblasts. YAP/TAZ can also be regulated through epigenetic regulation and posttranslational modifications. Consequently, the regulatory function of these mechanisms implicates YAP/TAZ in the pathogenesis of metabolism-related diseases, atherosclerosis, fibrosis, and the delicate equilibrium between cancer progression and organ regeneration. As such, there arises a pressing need for thorough investigation of YAP/TAZ in clinical settings. In this paper, we aim to elucidate the signaling pathways that regulate YAP/TAZ and explore the mechanisms of YAP/TAZ-induce diseases and their potential therapeutic interventions. Furthermore, we summarize the current clinical studies investigating treatments targeting YAP/TAZ. We also address the limitations of existing research on YAP/TAZ and propose future directions for research. In conclusion, this review aims to provide fresh insights into the signaling mediated by YAP/TAZ and identify potential therapeutic targets to present innovative solutions to overcome the challenges associated with YAP/TAZ.
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Affiliation(s)
- Yuzi Wei
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Victoria Lee Zhi Hui
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Yilin Chen
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Ruiying Han
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Xianglong Han
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
| | - Yongwen Guo
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsWest China Hospital of StomatologySichuan UniversityChengduSichuanChina
- Department of OrthodonticsLanzhou Stomatological HospitalLanzhouGansuChina
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Lee J, Roh JL. Epithelial-Mesenchymal Plasticity: Implications for Ferroptosis Vulnerability and Cancer Therapy. Crit Rev Oncol Hematol 2023; 185:103964. [PMID: 36931615 DOI: 10.1016/j.critrevonc.2023.103964] [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: 02/09/2023] [Revised: 03/12/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
Cancers polarized to a mesenchymal or poorly differentiated state can often evade cell death induced by conventional therapies. The epithelial-mesenchymal transition is involved in lipid metabolism and increases polyunsaturated fatty acid levels in cancer cells, contributing to chemo- and radio-resistance. Altered metabolism in cancer enables invasion and metastasis but is prone to lipid peroxidation under oxidative stress. Cancers with mesenchymal rather than epithelial signatures are highly vulnerable to ferroptosis. Therapy-resistant persister cancer cells show a high mesenchymal cell state and dependence on the lipid peroxidase pathway, which can respond more sensitively to ferroptosis inducers. Cancer cells may survive under specific metabolic and oxidative stress conditions, and targeting this unique defense system can selectively kill only cancer cells. Therefore, this article summarizes the core regulatory mechanisms of ferroptosis in cancer, the relationship between ferroptosis and epithelial-mesenchymal plasticity, and the implications of epithelial-mesenchymal transition for ferroptosis-based cancer therapy.
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Affiliation(s)
- Jaewang Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea; Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea; Department of Biomedical Science, General Graduate School, CHA University, Seongnam, Republic of Korea.
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Zhao C, Gong J, Bai Y, Yin T, Zhou M, Pan S, Liu Y, Gao Y, Zhang Z, Shi Y, Zhu F, Zhang H, Wang M, Qin R. A self-amplifying USP14-TAZ loop drives the progression and liver metastasis of pancreatic ductal adenocarcinoma. Cell Death Differ 2023; 30:1-15. [PMID: 35906484 PMCID: PMC9883464 DOI: 10.1038/s41418-022-01040-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 02/01/2023] Open
Abstract
With a 5-year survival rate of approximately 10%, pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal solid malignancies in humans. A poor understanding of the underlying biology has resulted in a lack of effective targeted therapeutic strategies. Tissue microarray and bioinformatics analyses have revealed that the downstream transcriptional coactivator of the Hippo pathway, transcriptional coactivator with PDZ-binding motif (TAZ), might be a therapeutic target in PDAC. Since pharmacological inhibition of TAZ is challenging, we performed unbiased deubiquitinase (DUB) library screening to explore the pivotal regulators of TAZ ubiquitination as potential targets in PDAC models. We found that USP14 contributed to Yes-associated protein (YAP)/TAZ transcriptional activity and stabilized TAZ but not YAP. Mechanistically, USP14 catalyzed the K48-linked deubiquitination of TAZ to promote TAZ stabilization. Moreover, TAZ facilitated the transcription of USP14 by binding to the TEA domain transcription factor (TEAD) 1/4 response element in the promoter of USP14. USP14 was found to modulate the expression of TAZ downstream target genes through a feedback mechanism and ultimately promoted cancer progression and liver metastasis in PDAC models in vitro and in vivo. In addition, depletion of USP14 led to proteasome-dependent degradation of TAZ and ultimately arrested PDAC tumour growth and liver metastasis. A strong positive correlation between USP14 and TAZ expression was also detected in PDAC patients. The small molecule inhibitor of USP14 catalytic activity, IU1, inhibited the development of PDAC in subcutaneous xenograft and liver metastasis models. Overall, our data strongly suggested that the self-amplifying USP14-TAZ loop was a previously unrecognized mechanism causing upregulated TAZ expression, and identified USP14 as a viable therapeutic target in PDAC.
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Affiliation(s)
- Chunle Zhao
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Jun Gong
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Yu Bai
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Taoyuan Yin
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Min Zhou
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Shutao Pan
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Yuhui Liu
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Yang Gao
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Zhenxiong Zhang
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Yongkang Shi
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Feng Zhu
- grid.33199.310000 0004 0368 7223Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China ,grid.33199.310000 0004 0368 7223Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030 Hubei China
| | - Hang Zhang
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China. .,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China.
| | - Min Wang
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China. .,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China.
| | - Renyi Qin
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China. .,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China.
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10
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Koinis F, Chantzara E, Samarinas M, Xagara A, Kratiras Z, Leontopoulou V, Kotsakis A. Emerging Role of YAP and the Hippo Pathway in Prostate Cancer. Biomedicines 2022; 10:2834. [PMID: 36359354 PMCID: PMC9687800 DOI: 10.3390/biomedicines10112834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/13/2022] [Accepted: 11/02/2022] [Indexed: 09/05/2023] Open
Abstract
The Hippo pathway regulates and contributes to several hallmarks of prostate cancer (PCa). Although the elucidation of YAP function in PCa is in its infancy, emerging studies have shed light on the role of aberrant Hippo pathway signaling in PCa development and progression. YAP overexpression and nuclear localization has been linked to poor prognosis and resistance to treatment, highlighting a therapeutic potential that may suggest innovative strategies to treat cancer. This review aimed to summarize available data on the biological function of the dysregulated Hippo pathway in PCa and identify knowledge gaps that need to be addressed for optimizing the development of YAP-targeted treatment strategies in patients likely to benefit.
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Affiliation(s)
- Filippos Koinis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Greece
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Greece
| | - Evangelia Chantzara
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Greece
| | - Michael Samarinas
- Department of Urology, General Hospital “Koutlibanio”, 41221 Larissa, Greece
| | - Anastasia Xagara
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Greece
| | - Zisis Kratiras
- 3rd Urology Department University of Athens, “Attikon” University General Hospital, 12462 Chaidari, Greece
| | - Vasiliki Leontopoulou
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Greece
| | - Athanasios Kotsakis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Greece
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Greece
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11
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Liu Q, van der Stel W, van der Noord VE, Leegwater H, Coban B, Elbertse K, Pruijs JTM, Béquignon OJM, van Westen G, Dévédec SEL, Danen EHJ. Hypoxia Triggers TAZ Phosphorylation in Basal A Triple Negative Breast Cancer Cells. Int J Mol Sci 2022; 23:ijms231710119. [PMID: 36077517 PMCID: PMC9456181 DOI: 10.3390/ijms231710119] [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: 08/17/2022] [Revised: 08/31/2022] [Accepted: 09/02/2022] [Indexed: 12/02/2022] Open
Abstract
Hypoxia and HIF signaling drive cancer progression and therapy resistance and have been demonstrated in breast cancer. To what extent breast cancer subtypes differ in their response to hypoxia has not been resolved. Here, we show that hypoxia similarly triggers HIF1 stabilization in luminal and basal A triple negative breast cancer cells and we use high throughput targeted RNA sequencing to analyze its effects on gene expression in these subtypes. We focus on regulation of YAP/TAZ/TEAD targets and find overlapping as well as distinct target genes being modulated in luminal and basal A cells under hypoxia. We reveal a HIF1 mediated, basal A specific response to hypoxia by which TAZ, but not YAP, is phosphorylated at Ser89. While total YAP/TAZ localization is not affected by hypoxia, hypoxia drives a shift of [p-TAZ(Ser89)/p-YAP(Ser127)] from the nucleus to the cytoplasm in basal A but not luminal breast cancer cells. Cell fractionation and YAP knock-out experiments confirm cytoplasmic sequestration of TAZ(Ser89) in hypoxic basal A cells. Pharmacological and genetic interference experiments identify c-Src and CDK3 as kinases involved in such phosphorylation of TAZ at Ser89 in hypoxic basal A cells. Hypoxia attenuates growth of basal A cells and the effect of verteporfin, a disruptor of YAP/TAZ-TEAD–mediated transcription, is diminished under those conditions, while expression of a TAZ-S89A mutant does not confer basal A cells with a growth advantage under hypoxic conditions, indicating that other hypoxia regulated pathways suppressing cell growth are dominant.
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12
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Chang YC, Li CH, Chan MH, Chen MH, Yeh CN, Hsiao M. Regorafenib inhibits epithelial-mesenchymal transition and suppresses cholangiocarcinoma metastasis via YAP1-AREG axis. Cell Death Dis 2022; 13:391. [PMID: 35449153 PMCID: PMC9023529 DOI: 10.1038/s41419-022-04816-7] [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: 08/31/2021] [Revised: 03/24/2022] [Accepted: 03/31/2022] [Indexed: 12/22/2022]
Abstract
Cholangiocarcinoma (CCA) is a subtype of bile duct cancer usually diagnosed late with a low survival rate and no satisfactorily systemic treatment. Recently, regorafenib has been accepted as a second-line treatment for CCA patients. In this study, we investigated the potential signal transduction pathways mediated by regorafenib. We established a transcriptomic database for regorafenib-treated CCA cells using expression microarray chips. Our data indicate that regorafenib inhibits yes-associated protein 1 (YAP1) activity in various CCA cells. In addition, we demonstrated that YAP1 regulates epithelial-mesenchymal transition (EMT)-related genes, including E-cadherin and SNAI2. We further examined YAP1 activity, phosphorylation status, and expression levels of YAP1 downstream target genes in the regorafenib model. We found that regorafenib dramatically suppressed these events in CCA cells. Moreover, in vivo results revealed that regorafenib could significantly inhibit lung foci formation and tumorigenicity. Most importantly, regorafenib and amphiregulin (AREG) neutralize antibody exhibited synergistic effects against CCA cells. In a clinical setting, patients with high YAP1 and EMT expression had a worse survival rate than patients with low YAP1, and EMT expression did. In addition, we found that YAP1 upregulated the downstream target amphiregulin in CCA. Our findings suggest that AREG neutralizing antibody antibodies combined with regorafenib can reverse the CCA metastatic phenotype and EMT in vitro and in vivo. These findings provide novel therapeutic strategies to combat the metastasis of CCA.
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13
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Guo G, Tan Z, Liu Y, Shi F, She J. The therapeutic potential of stem cell-derived exosomes in the ulcerative colitis and colorectal cancer. Stem Cell Res Ther 2022; 13:138. [PMID: 35365226 PMCID: PMC8973885 DOI: 10.1186/s13287-022-02811-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 02/23/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) therapy is a novel treatment strategy for cancer and a wide range of diseases with an excessive immune response such as ulcerative colitis (UC), due to its powerful immunomodulatory properties and its capacity for tissue regeneration and repair. One of the promising therapeutic options can focus on MSC-secreted exosomes (MSC-Exo), which have been identified as a type of paracrine interaction. In light of a wide variety of recent experimental studies, the present review aims to seek the recent research advances of therapies based on the MSC-Exo for treating UC and colorectal cancer (CRC). METHODS A systematic literature search in MEDLINE, Scopus, and Google Scholar was performed from inception to December 2021 using the terms [("colorectal cancer" OR "bowel cancer" OR "colon cancer" OR "rectal cancer") AND (exosome) AND (stem cell) AND ("inflammatory bowel disease" OR "Crohn's disease" OR "colitis")] in titles and abstracts. FINDINGS Exosomes derived from various sources of MSCs, including human umbilical cord-derived MSCs (hUC-MSCs), human adipose-derived MSCs (hAD-MSCs), human bone marrow-derived MSCs (hBM-MSCs), and olfactory ecto-MSCs (OE-MSCs), have shown the protective role against UC and CRC. Exosomes from hUC-MSCs, hBM-MSCs, AD-MSCs, and OE-MSCs have been found to ameliorate the experimental UC through suppressing inflammatory cells including macrophages, Th1/Th17 cells, reducing the expression of proinflammatory cytokines, as well as inducing the anti-inflammatory function of Treg and Th2 cells and enhancing the expression of anti-inflammatory cytokines. In addition, hBM-MSC-Exo and hUC-MSC-Exo containing tumor-suppressive miRs (miR-3940-5p/miR-22-3p/miR-16-5p) have been shown to suppress proliferation, migration, and invasion of CRC cells via regulation of RAP2B/PI3K/AKT signaling pathway and ITGA2/ITGA6. KEY MESSAGES The MSC-Exo can exert beneficial effects on UC and CRC through two different mechanisms including modulating immune responses and inducing anti-tumor responses, respectively.
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Affiliation(s)
- Gang Guo
- Center for Gut Microbiome Research, Med-X Institute Centre, First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, 710061 China
- Department of Talent Highland, First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, 710061 China
| | - Zhaobang Tan
- Department of Digestive Surgery, Xijing Hospital, Air Force Medical University, Xi’an, 710032 China
| | - Yaping Liu
- Department of Gastroenterology, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, 710061 China
| | - Feiyu Shi
- Department of General Surgery, First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, 710061 China
| | - Junjun She
- Center for Gut Microbiome Research, Med-X Institute Centre, First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, 710061 China
- Department of Talent Highland, First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, 710061 China
- Department of General Surgery, First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, 710061 China
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14
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The YAP/TAZ Signaling Pathway in the Tumor Microenvironment and Carcinogenesis: Current Knowledge and Therapeutic Promises. Int J Mol Sci 2021; 23:ijms23010430. [PMID: 35008857 PMCID: PMC8745604 DOI: 10.3390/ijms23010430] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 12/14/2022] Open
Abstract
The yes-associated protein (YAP) and the transcriptional coactivator with PDZ-binding motif (TAZ) are transcriptional coactivators, members of the Hippo signaling pathway, which play a critical role in cell growth regulation, embryonic development, regeneration, proliferation, and cancer origin and progression. The mechanism involves the nuclear binding of the un-phosphorylated YAP/TAZ complex to release the transcriptional enhanced associate domain (TEAD) from its repressors. The active ternary complex is responsible for the aforementioned biological effects. Overexpression of YAP/TAZ has been reported in cancer stem cells and tumor resistance. The resistance involves chemotherapy, targeted therapy, and immunotherapy. This review provides an overview of YAP/TAZ pathways’ role in carcinogenesis and tumor microenvironment. Potential therapeutic alternatives are also discussed.
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15
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Ferroptosis Meets Cell-Cell Contacts. Cells 2021; 10:cells10092462. [PMID: 34572111 PMCID: PMC8471828 DOI: 10.3390/cells10092462] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/07/2021] [Accepted: 09/13/2021] [Indexed: 12/15/2022] Open
Abstract
Ferroptosis is a regulated form of cell death characterized by iron dependency and increased lipid peroxidation. Initially assumed to be selectively induced in tumour cells, there is increasing evidence that ferroptosis plays an important role in pathophysiology and numerous cell types and tissues. Deregulated ferroptosis has been linked to human diseases, such as neurodegenerative diseases, cardiovascular disorders, and cancer. Along these lines, ferroptosis is a promising pathway to overcoming therapy resistance of cancer cells. It is therefore of utmost importance to understand the cellular signalling pathways and the molecular mechanisms underlying ferroptosis regulation, including context-specific effects mediated by the neighbouring cells through cell–cell contacts. Here, we give an overview on the molecular events and machinery linked to ferroptosis induction and commitment. We further summarize and discuss current knowledge about the role of cell–cell contacts, which differ in ferroptosis regulation between normal somatic cells and cancer cells. We present emerging concepts on the underlying mechanisms, address open questions, and discuss the possible impact of cell–cell contacts on exploiting ferroptosis in cancer therapy.
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16
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Wang X, Wang Y, Li Z, Qin J, Wang P. Regulation of Ferroptosis Pathway by Ubiquitination. Front Cell Dev Biol 2021; 9:699304. [PMID: 34485285 PMCID: PMC8414903 DOI: 10.3389/fcell.2021.699304] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/19/2021] [Indexed: 12/17/2022] Open
Abstract
Ferroptosis is an iron-dependent form of programmed cell death, which plays crucial roles in tumorigenesis, ischemia–reperfusion injury and various human degenerative diseases. Ferroptosis is characterized by aberrant iron and lipid metabolisms. Mechanistically, excess of catalytic iron is capable of triggering lipid peroxidation followed by Fenton reaction to induce ferroptosis. The induction of ferroptosis can be inhibited by sufficient glutathione (GSH) synthesis via system Xc– transporter-mediated cystine uptake. Therefore, induction of ferroptosis by inhibition of cystine uptake or dampening of GSH synthesis has been considered as a novel strategy for cancer therapy, while reversal of ferroptotic effect is able to delay progression of diverse disorders, such as cardiopathy, steatohepatitis, and acute kidney injury. The ubiquitin (Ub)–proteasome pathway (UPP) dominates the majority of intracellular protein degradation by coupling Ub molecules to the lysine residues of protein substrate, which is subsequently recognized by the 26S proteasome for degradation. Ubiquitination is crucially involved in a variety of physiological and pathological processes. Modulation of ubiquitination system has been exhibited to be a potential strategy for cancer treatment. Currently, more and more emerged evidence has demonstrated that ubiquitous modification is involved in ferroptosis and dominates the vulnerability to ferroptosis in multiple types of cancer. In this review, we will summarize the current findings of ferroptosis surrounding the viewpoint of ubiquitination regulation. Furthermore, we also highlight the potential effect of ubiquitination modulation on the perspective of ferroptosis-targeted cancer therapy.
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Affiliation(s)
- Xinbo Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yanjin Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zan Li
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jieling Qin
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ping Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
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17
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Yu LY, Tseng TJ, Lin HC, Hsu CL, Lu TX, Tsai CJ, Lin YC, Chu I, Peng CT, Chen HJ, Tsai FC. Synthetic dysmobility screen unveils an integrated STK40-YAP-MAPK system driving cell migration. SCIENCE ADVANCES 2021; 7:eabg2106. [PMID: 34321207 PMCID: PMC8318371 DOI: 10.1126/sciadv.abg2106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 06/10/2021] [Indexed: 05/05/2023]
Abstract
Integrating signals is essential for cell survival, leading to the concept of synthetic lethality. However, how signaling is integrated to control cell migration remains unclear. By conducting a "two-hit" screen, we revealed the synergistic reduction of cell migration when serine-threonine kinase 40 (STK40) and mitogen-activated protein kinase (MAPK) were simultaneously suppressed. Single-cell analyses showed that STK40 knockdown reduced cell motility and coordination by strengthening focal adhesion (FA) complexes. Furthermore, STK40 knockdown reduced the stability of yes-associated protein (YAP) and subsequently decreased YAP transported into the nucleus, while MAPK inhibition further weakened YAP activities in the nucleus to disturb FA remodeling. Together, we unveiled an integrated STK40-YAP-MAPK system regulating cell migration and introduced "synthetic dysmobility" as a novel strategy to collaboratively control cell migration.
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Affiliation(s)
- Ling-Yea Yu
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Ting-Jen Tseng
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Hsuan-Chao Lin
- Department of Immunology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chi-Lin Hsu
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ting-Xuan Lu
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
- Ph.D. Program in Biological Sciences, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Chia-Jung Tsai
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Japan
| | - Yu-Chiao Lin
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - I Chu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chien-Tzu Peng
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Hou-Jen Chen
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Feng-Chiao Tsai
- Department of Pharmacology, National Taiwan University College of Medicine, Taipei, Taiwan.
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
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18
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Qiu Y, Huang D, Sheng Y, Huang J, Li N, Zhang S, Hong Z, Yin X, Yan J. Deubiquitinating enzyme USP46 suppresses the progression of hepatocellular carcinoma by stabilizing MST1. Exp Cell Res 2021; 405:112646. [PMID: 34029571 DOI: 10.1016/j.yexcr.2021.112646] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 05/04/2021] [Accepted: 05/08/2021] [Indexed: 12/24/2022]
Abstract
The deubiquitinating enzyme USP46 (ubiquitin-specific protease 46) is implicated in various cancers. However, its role and regulatory mechanism in HCC (hepatocellular carcinoma) are still unknown. In this study, we showed that USP46 is downregulated in HCC tissues and that low USP46 levels are associated with poor prognosis in HCC patients. In functional experiments, overexpression of USP46 impaired proliferation and metastasis of HCC cells, whereas knockdown of USP46 enhanced cell proliferation and invasiveness in vitro and in vivo. Furthermore, we found that USP46 suppresses HCC cell proliferation and metastasis by inhibiting YAP1. Ectopic expression of YAP1 rescued the inhibition of cell proliferation and metastasis caused by USP46 overexpression. Mechanistically, USP46 promotes the degradation of YAP1 by increasing expression of MST1, and the increase in MST1 protein antagonizes YAP1 to suppress HCC progression. Finally, we demonstrated that USP46 stabilizes the MST1 protein by directly binding to it and decreasing its ubiquitination. Taken together, our results demonstrated that USP46 may be a novel tumor suppressor in HCC. Moreover, USP46 acts as a deubiquitinating enzyme of MST1 to potentiate MST1 kinase activity to suppress tumor growth and metastasis, indicating that USP46 activation may represent a potential treatment strategy for HCC.
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Affiliation(s)
- Yumin Qiu
- Department of General Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Dan Huang
- Department of Anesthesiology, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Yanling Sheng
- Department of Ultrasound, The Affliated Hospital of Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi Province, 330006, China
| | - Jinshi Huang
- Department of General Surgery, Jiangxi Provincial Children's Hospital, Nanchang, Jiangxi Province, 330006, China
| | - Nuoya Li
- Department of General Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Shouhua Zhang
- Department of General Surgery, Jiangxi Provincial Children's Hospital, Nanchang, Jiangxi Province, 330006, China
| | - Zhengdong Hong
- Department of General Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Xiangbao Yin
- Department of General Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China.
| | - Jinlong Yan
- Department of General Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, 330006, China.
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19
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Zhao G, Liu C, Wen X, Luan G, Xie L, Guo X. The translational values of TRIM family in pan-cancers: From functions and mechanisms to clinics. Pharmacol Ther 2021; 227:107881. [PMID: 33930453 DOI: 10.1016/j.pharmthera.2021.107881] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 02/08/2023]
Abstract
Cancer is the second leading cause of human death across the world. Tripartite motif (TRIM) family, with E3 ubiquitin ligase activities in majority of its members, is reported to be involved in multiple cellular processes and signaling pathways. TRIM proteins have critical effects in the regulation of biological behaviors of cancer cells. Here, we discussed the current understanding of the molecular mechanism of TRIM proteins regulation of cancer cells. We also comprehensively reviewed published studies on TRIM family members as oncogenes or tumor suppressors in the oncogenesis, development, and progression of a variety of types of human cancers. Finally, we highlighted that certain TRIM family members are potential molecular biomarkers for cancer diagnosis and prognosis, and potential therapeutic targets.
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Affiliation(s)
- Guo Zhao
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Chuan Liu
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Xin Wen
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Gan Luan
- Department of Mathematical Sciences, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Longxiang Xie
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China.
| | - Xiangqian Guo
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China.
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20
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S1P induces proliferation of pulmonary artery smooth muscle cells by promoting YAP-induced Notch3 expression and activation. J Biol Chem 2021; 296:100599. [PMID: 33781742 PMCID: PMC8094894 DOI: 10.1016/j.jbc.2021.100599] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 03/15/2021] [Accepted: 03/25/2021] [Indexed: 12/26/2022] Open
Abstract
Sphingosine-1-phosphate (S1P), a natural multifunctional phospholipid, is highly increased in plasma from patients with pulmonary arterial hypertension and mediates proliferation of pulmonary artery smooth muscle cells (PASMCs) by activating the Notch3 signaling pathway. However, the mechanisms underpinning S1P-mediated induction of PASMCs proliferation remain unclear. In this study, using biochemical and molecular biology approaches, RNA interference and gene expression analyses, 5'-ethynyl-2'-deoxyuridine incorporation assay, and 3-(4,5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide assay, we demonstrated that S1P promoted the activation of signal transducers and activators of transcription 3 (STAT3) through sphingosine-1-phosphate receptor 2 (S1PR2), and subsequently upregulated the expression of the microRNA miR-135b, which further reduced the expression of E3 ubiquitin ligase β-transduction repeat-containing protein and led to a reduction in yes-associated protein (YAP) ubiquitinated degradation in PASMCs. YAP is the core effector of the Hippo pathway and mediates the expression of particular genes. The accumulation of YAP further increased the expression and activation of Notch3 and ultimately promoted the proliferation of PASMCs. In addition, we showed that preblocking S1PR2, prior silencing of STAT3, miR-135b, or YAP, and prior inhibition of Notch3 all attenuated S1P-induced PASMCs proliferation. Taken together, our study indicates that S1P stimulates PASMCs proliferation by activation of the S1PR2/STAT3/miR-135b/β-transduction repeat-containing protein/YAP/Notch3 pathway, and our data suggest that targeting this cascade might have potential value in ameliorating PASMCs hyperproliferation and benefit pulmonary arterial hypertension.
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Zhu J, Dong Q, Dong C, Zhang X, Zhang H, Chen Z. Global Lysine Crotonylation Alterations of Host Cell Proteins Caused by Brucella Effector BspF. Front Cell Infect Microbiol 2021; 10:603457. [PMID: 33489935 PMCID: PMC7821425 DOI: 10.3389/fcimb.2020.603457] [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: 09/11/2020] [Accepted: 11/19/2020] [Indexed: 01/02/2023] Open
Abstract
In Brucella spp., the type IV secretion system (T4SS) is essential for bacterial intracellular survival and inhibition of the host innate immune response. The Brucella T4SS secretes 15 different effectors to escape host immunity and promote intracellular replication. Among them, BspF has a GNAT-family acetyltransferase domain, implying its acetyltransferase activity. We confirmed that BspF has acetyltransferase activity (data not shown) and de-crotonyltransferase activity. However, BspF overexpressed in HEK-293T cells can also enhance octamer crotonylation in vitro. Then we enriched crotonylated proteins and conducted LC-MS to study the crotonylation changes of proteins in HEK-293T cells caused by BspF overexpression. A total of 5,559 crotonylation sites were identified on 1,525 different proteins, of which 331 sites on 265 proteins were significantly changed. We found that Rab9A and RAP1B in proteomics data have a great impact on Brucella survival, so we speculate that BspF may influence the function of host proteins by altering crotonylation, thereby promoting the intracellular propagation of Brucella.
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Affiliation(s)
- Jinying Zhu
- Key Laboratory of Zoonotic of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Qiao Dong
- Key Laboratory of Zoonotic of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Changpeng Dong
- Key Laboratory of Zoonotic of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Xi Zhang
- Key Laboratory of Zoonotic of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Huan Zhang
- Key Laboratory of Zoonotic of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Zeliang Chen
- Key Laboratory of Zoonotic of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
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Heng BC, Zhang X, Aubel D, Bai Y, Li X, Wei Y, Fussenegger M, Deng X. An overview of signaling pathways regulating YAP/TAZ activity. Cell Mol Life Sci 2021; 78:497-512. [PMID: 32748155 PMCID: PMC11071991 DOI: 10.1007/s00018-020-03579-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/07/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
Abstract
YAP and TAZ are ubiquitously expressed homologous proteins originally identified as penultimate effectors of the Hippo signaling pathway, which plays a key role in maintaining mammalian tissue/organ size. Presently, it is known that YAP/TAZ also interact with various non-Hippo signaling pathways, and have diverse roles in multiple biological processes, including cell proliferation, tissue regeneration, cell lineage fate determination, tumorigenesis, and mechanosensing. In this review, we first examine the various microenvironmental cues and signaling pathways that regulate YAP/TAZ activation, through the Hippo and non-Hippo signaling pathways. This is followed by a brief summary of the interactions of YAP/TAZ with TEAD1-4 and a diverse array of other non-TEAD transcription factors. Finally, we offer a critical perspective on how increasing knowledge of the regulatory mechanisms of YAP/TAZ signaling might open the door to novel therapeutic applications in the interrelated fields of biomaterials, tissue engineering, regenerative medicine and synthetic biology.
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Affiliation(s)
- Boon Chin Heng
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
- Faculty of Science and Technology, Sunway University, Selangor Darul Ehsan, Malaysia
| | - Xuehui Zhang
- Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
- National Engineering Laboratory for Digital and Material Technology of Stomatology, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Dominique Aubel
- IUTA, Departement Genie Biologique, Universite, Claude Bernard Lyon 1, Villeurbanne Cedex, France
| | - Yunyang Bai
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Xiaochan Li
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Yan Wei
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH-Zurich, Mattenstrasse 26, Basel, 4058, Switzerland.
| | - Xuliang Deng
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China.
- National Engineering Laboratory for Digital and Material Technology of Stomatology, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China.
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Zhao W, Wang M, Cai M, Zhang C, Qiu Y, Wang X, Zhang T, Zhou H, Wang J, Zhao W, Shao R. Transcriptional co-activators YAP/TAZ: Potential therapeutic targets for metastatic breast cancer. Biomed Pharmacother 2020; 133:110956. [PMID: 33189066 DOI: 10.1016/j.biopha.2020.110956] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/19/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is the most commonly diagnosed cancer among women. Although routine and targeted therapies have improved the survival rate, there are still considerable challenges in the treatment of breast cancer. Metastasis is the leading cause of death in patients diagnosed with breast cancer. Yes-associated protein (YAP) and/or PDZ binding motif (TAZ) are usually abnormally activated in breast cancer leading to a variety of effects on tumour promotion, such as epithelial-mesenchymal transition, cancer stem cell production and drug-resistance. The abnormal activation of YAP/TAZ can affect metastasis-related processes and promote cancer progression and metastasis by interacting with some metastasis-related factors and pathways. In this article, we summarise the evidence that YAP/TAZ regulates breast cancer metastasis, its post-translational modification mechanisms, and the latest advances in the treatment of YAP/TAZ-related breast cancer metastasis, besides providing a new strategy of YAP/TAZ-based treatment of human breast cancer.
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Affiliation(s)
- Wenxia Zhao
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Mengyan Wang
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Meilian Cai
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Conghui Zhang
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Yuhan Qiu
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Xiaowei Wang
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Tianshu Zhang
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Huimin Zhou
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Junxia Wang
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Wuli Zhao
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
| | - Rongguang Shao
- NHC Key Laboratory of Antibiotic Bioengineering, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100050, China.
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Dong T, Sun X, Jin H. Role of YAP1 gene in proliferation, osteogenic differentiation, and apoptosis of human periodontal ligament stem cells induced by TNF-α. J Periodontol 2020; 92:1192-1200. [PMID: 32997793 DOI: 10.1002/jper.20-0176] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 06/23/2020] [Accepted: 07/02/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Periodontitis is a chronic inflammatory disease that occurs in periodontal tissues and can cause tooth loosening and loss in severe cases. As the main effector of downstream of Hippo signaling pathway, yes-related protein 1 (YAP1) plays an important role in cell proliferation and differentiation. However, the role of YAP1 in periodontitis has not been reported. METHODS Cell activity was detected by Cell Counting Kit-8 (CCK-8). YAP1 was overexpressed by cell transfection, and then RT-qPCR and western blot were used to detect the expression of YAP1. The cell proliferation was determined by clone formation assay, and the expression of proliferation-related proteins was determined by western blot. The cell differentiation was detected by ELISA kit of alkaline phosphatase activity (ALP) and alizarin red staining. Finally, western blot was used to detect the expression of differentiation-related protein and Hippo signaling pathway-related proteins. Apoptosis was detected by flow cytometry. RESULTS With the increase of concentration induced by TNF-α, the cell survival rate of human periodontal ligament stem cells (HPDLSCs) decreased significantly. After the overexpression of YAP1, cell proliferation and proliferation-related protein expression increased. Overexpression of YAP1 can improve the differentiation and the formation of osteoblasts of HPDLSCs induced by TNF-α. The expression of Hippo signaling pathway-related proteins transcriptional coactivators with PDZ binding domains (TAZ), TEA domain family member (TRED) increased and proliferation-related protein P27 decreased, whereas there was no significant change in the expression of MST1. CONCLUSION TNF-α can inhibit proliferation and osteogenic differentiation of HPDLSCs, which can be ameliorated by the YAP1 gene through the Hippo signaling pathway. Our paper suggested that YAP1 may be a potential therapeutic target for periodontitis.
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Affiliation(s)
- Tao Dong
- Department of stomatology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xuemin Sun
- Department of stomatology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - He Jin
- Department of stomatology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
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Mussell A, Shen H, Chen Y, Mastri M, Eng KH, Bshara W, Frangou C, Zhang J. USP1 Regulates TAZ Protein Stability Through Ubiquitin Modifications in Breast Cancer. Cancers (Basel) 2020; 12:cancers12113090. [PMID: 33114077 PMCID: PMC7690829 DOI: 10.3390/cancers12113090] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/30/2020] [Accepted: 10/09/2020] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Triple-Negative breast cancer (TNBC) is the most aggressive form of breast cancer in women. Targeted therapies for the treatment of this disease are severely lacking. Through mechanistic studies of the key component of Hippo signaling pathway, Transcriptional co-activator with PDZ-binding motif (TAZ), we aimed to uncover novel regulators that may be used as targeted therapies for this disease. Using an siRNA target deubiquitinating enzymes screen, we identified ubiquitin-specific peptidase 1 (USP1) as a novel TAZ deubiquitinating enzyme. We found that USP1 interacts with TAZ and loss of USP1 reduces cell proliferation in a partially TAZ-dependent manner. Furthermore, we demonstrated that USP1 and TAZ expression are positively correlated in TNBC patients. This research found a newly defined regulatory mechanism of TAZ that could be used as a therapeutic approach for breast cancer. Abstract The Hippo signaling pathway is an evolutionarily conserved pathway that was initially discovered in Drosophila melanogaster and was later found to have mammalian orthologues. The key effector proteins in this pathway, YAP/TAZ, are often dysregulated in cancer, leading to a high degree of cell proliferation, migration, metastasis and cancer stem cell populations. Due to these malignant phenotypes it is important to understand the regulation of YAP/TAZ at the protein level. Using an siRNA library screen of deubiquitinating enzymes (DUBs), we identified ubiquitin specific peptidase 1 (USP1) as a novel TAZ (WWTR1) regulator. We demonstrated that USP1 interacts with TAZ and increases TAZ protein stability. Conversely, loss of function of USP1 reduces TAZ protein levels through increased poly-ubiquitination, causing a decrease in cell proliferation and migration of breast cancer cells. Moreover, we showed a strong positive correlation between USP1 and TAZ in breast cancer patients. Our findings facilitate the attainment of better understanding of the crosstalk between these pathways and may lead to potential therapeutic interventions for breast cancer patients.
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Affiliation(s)
- Ashley Mussell
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA; (A.M.); (H.S.); (Y.C.); (M.M.); (K.H.E.)
| | - He Shen
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA; (A.M.); (H.S.); (Y.C.); (M.M.); (K.H.E.)
| | - Yanmin Chen
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA; (A.M.); (H.S.); (Y.C.); (M.M.); (K.H.E.)
| | - Michalis Mastri
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA; (A.M.); (H.S.); (Y.C.); (M.M.); (K.H.E.)
| | - Kevin H. Eng
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA; (A.M.); (H.S.); (Y.C.); (M.M.); (K.H.E.)
| | - Wiam Bshara
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14263, USA;
| | - Costa Frangou
- Harvard T.H. Chan School of Public Health, Molecular and Integrative Physiology Department, 665 Huntington Ave., Boston, MA 02115, USA;
| | - Jianmin Zhang
- Department of Cancer Genetics & Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14203, USA; (A.M.); (H.S.); (Y.C.); (M.M.); (K.H.E.)
- Correspondence:
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Vriend J, Rastegar M. Ubiquitin ligases and medulloblastoma: genetic markers of the four consensus subgroups identified through transcriptome datasets. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165839. [PMID: 32445667 DOI: 10.1016/j.bbadis.2020.165839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 04/23/2020] [Accepted: 05/13/2020] [Indexed: 01/05/2023]
Abstract
The ubiquitin proteasome system regulates key cellular processes in normal and in cancer cells. Herein, we review published data on the role of ubiquitin ligases in the four major subgroups of medulloblastoma (MB). While conventional literature serves as an initial source of information on cellular pathways in MB, large publicly available datasets of gene expression can be used to add information not previously identified in the literature. By analysing the publicly available Cavalli dataset, we show that increased expression of ZNRF3 characterizes the WNT subgroup of MB. The ZNRF3 gene codes for an E3 ligase associated with WNT receptors. Loss of a copy of chromosome 6 in a subtype of the WNT group was associated with decreased expression of the gene encoding the E3 ligase RNF146. While the E3 ligase SMURF regulates SHH receptors, increased expression of the gene encoding the Cullin Ring E3 adaptor PPP2R2C was statistically a better genetic marker of the SHH group. Genes whose expression was statistically strongly related to Group 3 included the E3 ligase gene TRIM58, and the gene for the E3 ligase adaptor, PPP2R2B. Group 4 MB was associated with expression of genes encoding several E3 ligases and E3 ligase adaptors involved in ribosome biogenesis. Increased expression of the genes encoding the E3 ligase adaptors and transcription repressors ZBTB18 and ZBTB38 were also noted in subgroup 4. These data suggest that several E3 ligases and their adaptors should be investigated as therapeutic targets for subgroup specific MB brain tumors.
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Affiliation(s)
- Jerry Vriend
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
| | - Mojgan Rastegar
- Department of Biochemistry and Medical Genetics and Regenerative Medicine Program, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba R3E 0J9, Canada
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27
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Xin Y, Yang X, Xiao J, Zhao W, Li Y, Lu L, He X, Zhan M. MiR-135b promotes HCC tumorigenesis through a positive-feedback loop. Biochem Biophys Res Commun 2020; 530:259-265. [PMID: 32828296 DOI: 10.1016/j.bbrc.2020.07.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 07/03/2020] [Indexed: 12/11/2022]
Abstract
Hippo pathway plays critical roles in cell proliferation and apoptosis and its dysregulation leads to various types of cancers, including hepatocellular carcinoma (HCC). However, the mechanism maintaining Hippo pathway homeostasis still remains unclear. In this study, we discovered that the expression of miR-135b is apparently upregulated in HCC tissues and HCC cell lines. The level of miR-135b was positively correlated with HCC stages and negatively correlated with the survival of HCC patients, suggesting an oncogenic role of miR-135b in HCC progression. Similarly, miR-135b mimic promoted HCC cell proliferation and migration, whereas its inhibitor played an opposite role. Mechanistically, we identified a seed sequence of miR-135b in the MST1 3'-UTR region. MiR-135b inhibited the Hippo pathway by silencing MST1 expression. Additionally, we revealed that miR-135b was a transcriptional target of the Hippo pathway. Based on these data, we propose that a positive-feedback axis of MST1-YAP-miR-135b exists for HCC aggravation. Our study not only deepens the insight into the Hippo pathway homeostasis, but also suggests miR-135b as a potential prognosis biomarker and therapeutic target for HCC.
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Affiliation(s)
- Yongjie Xin
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Xiangyu Yang
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Jing Xiao
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Wei Zhao
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Yong Li
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Ligong Lu
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Xu He
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China
| | - Meixiao Zhan
- Zhuhai Interventional Medical Center, Zhuhai Precision Medical Center, Zhuhai People's Hospital, Zhuhai Hospital Affiliated with Jinan University, Zhuhai, Guangdong, 519000, PR China.
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The emerging roles of WBP2 oncogene in human cancers. Oncogene 2020; 39:4621-4635. [PMID: 32393834 PMCID: PMC7286818 DOI: 10.1038/s41388-020-1318-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/21/2020] [Accepted: 04/24/2020] [Indexed: 12/15/2022]
Abstract
WW domain-binding protein 2 (WBP2) is an emerging oncoprotein. Over the past decade, WBP2 surfaced as a key node connecting key signaling pathways associated with ER/PR, EGFR, PI3K, Hippo, and Wnt in cancer. In addition to the oncogenic functions of WBP2, this review discusses the latest research regarding the multilevel regulation and modes of action of WBP2 and how they can be exploited for molecular medicine. In translational research, evidence supports the role of WBP2 as a biomarker for early detection, prognosis, and companion diagnostics in breast cancer. Finally, we envision new trends in WBP2 research in the space of molecular etiology of cancer, targeted therapeutics, and precision medicine.
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Manning SA, Kroeger B, Harvey KF. The regulation of Yorkie, YAP and TAZ: new insights into the Hippo pathway. Development 2020; 147:147/8/dev179069. [PMID: 32341025 DOI: 10.1242/dev.179069] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The Hippo pathway is a highly conserved signalling pathway that regulates multiple biological processes, including organ size control and cell fate. Since its discovery, genetic and biochemical studies have elucidated several key signalling steps important for pathway activation and deactivation. In recent years, technical advances in microscopy and genome modification have allowed new insights into Hippo signalling to be revealed. These studies have highlighted that the nuclear-cytoplasmic shuttling behaviour of the Hippo pathway transcriptional co-activators Yorkie, YAP and TAZ is far more dynamic than previously appreciated, and YAP and TAZ are also regulated by liquid-liquid phase separation. Here, we review our current understanding of Yorkie, YAP and TAZ regulation, with a focus on recent microscopy-based studies.
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Affiliation(s)
- Samuel A Manning
- Department of Anatomy and Developmental Biology, and Biomedicine Discovery Institute, Monash University, Clayton, Australia 3800
| | - Benjamin Kroeger
- Department of Anatomy and Developmental Biology, and Biomedicine Discovery Institute, Monash University, Clayton, Australia 3800
| | - Kieran F Harvey
- Department of Anatomy and Developmental Biology, and Biomedicine Discovery Institute, Monash University, Clayton, Australia 3800 .,Peter MacCallum Cancer Centre, 305 Grattan St, Melbourne, Victoria, Australia 3000.,Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria, Australia 3010
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Duhart JC, Raftery LA. Mob Family Proteins: Regulatory Partners in Hippo and Hippo-Like Intracellular Signaling Pathways. Front Cell Dev Biol 2020; 8:161. [PMID: 32266255 DOI: 10.3389/fcell.2020.00161/full] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 02/28/2020] [Indexed: 05/26/2023] Open
Abstract
Studies in yeast first delineated the function of Mob proteins in kinase pathways that regulate cell division and shape; in multicellular eukaryotes Mobs regulate tissue growth and morphogenesis. In animals, Mobs are adaptors in Hippo signaling, an intracellular signal-transduction pathway that restricts growth, impacting the development and homeostasis of animal organs. Central to Hippo signaling are the Nuclear Dbf2-Related (NDR) kinases, Warts and LATS1 and LATS2, in flies and mammals, respectively. A second Hippo-like signaling pathway has been uncovered in animals, which regulates cell and tissue morphogenesis. Central to this emergent pathway are the NDR kinases, Tricornered, STK38, and STK38L. In Hippo signaling, NDR kinase activation is controlled by three activating interactions with a conserved set of proteins. This review focuses on one co-activator family, the highly conserved, non-catalytic Mps1-binder-related (Mob) proteins. In this context, Mobs are allosteric activators of NDR kinases and adaptors that contribute to assembly of multiprotein NDR kinase activation complexes. In multicellular eukaryotes, the Mob family has expanded relative to model unicellular yeasts; accumulating evidence points to Mob functional diversification. A striking example comes from the most sequence-divergent class of Mobs, which are components of the highly conserved Striatin Interacting Phosphatase and Kinase (STRIPAK) complex, that antagonizes Hippo signaling. Mobs stand out for their potential to modulate the output from Hippo and Hippo-like kinases, through their roles both in activating NDR kinases and in antagonizing upstream Hippo or Hippo-like kinase activity. These opposing Mob functions suggest that they coordinate the relative activities of the Tricornered/STK38/STK38L and Warts/LATS kinases, and thus have potential to assemble nodes for pathway signaling output. We survey the different facets of Mob-dependent regulation of Hippo and Hippo-like signaling and highlight open questions that hinge on unresolved aspects of Mob functions.
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Affiliation(s)
- Juan Carlos Duhart
- School of Life Sciences, University of Nevada, Las Vegas, Las Vegas, NV, United States
| | - Laurel A Raftery
- School of Life Sciences, University of Nevada, Las Vegas, Las Vegas, NV, United States
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Duhart JC, Raftery LA. Mob Family Proteins: Regulatory Partners in Hippo and Hippo-Like Intracellular Signaling Pathways. Front Cell Dev Biol 2020; 8:161. [PMID: 32266255 PMCID: PMC7096357 DOI: 10.3389/fcell.2020.00161] [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: 10/05/2019] [Accepted: 02/28/2020] [Indexed: 12/16/2022] Open
Abstract
Studies in yeast first delineated the function of Mob proteins in kinase pathways that regulate cell division and shape; in multicellular eukaryotes Mobs regulate tissue growth and morphogenesis. In animals, Mobs are adaptors in Hippo signaling, an intracellular signal-transduction pathway that restricts growth, impacting the development and homeostasis of animal organs. Central to Hippo signaling are the Nuclear Dbf2-Related (NDR) kinases, Warts and LATS1 and LATS2, in flies and mammals, respectively. A second Hippo-like signaling pathway has been uncovered in animals, which regulates cell and tissue morphogenesis. Central to this emergent pathway are the NDR kinases, Tricornered, STK38, and STK38L. In Hippo signaling, NDR kinase activation is controlled by three activating interactions with a conserved set of proteins. This review focuses on one co-activator family, the highly conserved, non-catalytic Mps1-binder-related (Mob) proteins. In this context, Mobs are allosteric activators of NDR kinases and adaptors that contribute to assembly of multiprotein NDR kinase activation complexes. In multicellular eukaryotes, the Mob family has expanded relative to model unicellular yeasts; accumulating evidence points to Mob functional diversification. A striking example comes from the most sequence-divergent class of Mobs, which are components of the highly conserved Striatin Interacting Phosphatase and Kinase (STRIPAK) complex, that antagonizes Hippo signaling. Mobs stand out for their potential to modulate the output from Hippo and Hippo-like kinases, through their roles both in activating NDR kinases and in antagonizing upstream Hippo or Hippo-like kinase activity. These opposing Mob functions suggest that they coordinate the relative activities of the Tricornered/STK38/STK38L and Warts/LATS kinases, and thus have potential to assemble nodes for pathway signaling output. We survey the different facets of Mob-dependent regulation of Hippo and Hippo-like signaling and highlight open questions that hinge on unresolved aspects of Mob functions.
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Affiliation(s)
| | - Laurel A. Raftery
- School of Life Sciences, University of Nevada, Las Vegas, Las Vegas, NV, United States
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Yang W, Yang S, Zhang F, Cheng F, Wang X, Rao J. Influence of the Hippo-YAP signalling pathway on tumor associated macrophages (TAMs) and its implications on cancer immunosuppressive microenvironment. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:399. [PMID: 32355843 PMCID: PMC7186717 DOI: 10.21037/atm.2020.02.11] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A large number of immune cells are present in the tumour microenvironment (TME), of which, tumour-associated macrophages (TAMs) are among the most important and highly infiltrated cells, and mainly include the M1 type classically activated and M2 type alternatively activated TAMs. Both cell types are known to play an important role in tumour initiation and proliferation. It has recently been confirmed that the TAMs in tumours tend to be dominated by the M2 type. However, the precise mechanism underlying TAM recruitment and polarization in the immune microenvironment remains to be elucidated. The Hippo-Yes-associated protein (YAP) signalling pathway is one of the most extensively discussed mechanism for the regulation of tumour proliferation, migration, angiogenesis, and invasion in recent years. To date, several studies have revealed that YAP is involved in the interrelating interactions between tumour and immune cells, particularly the TAMs. In this review, we have summarized the mechanism by which the YAP regulates the activity of TAMs and its impact on the TME.
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Affiliation(s)
- Wenjie Yang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing 210029, China
| | - Shikun Yang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing 210029, China
| | - Feng Zhang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing 210029, China
| | - Feng Cheng
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing 210029, China
| | - Xuehao Wang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing 210029, China
| | - Jianhua Rao
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, NHC Key Laboratory of Living Donor Liver Transplantation, Nanjing 210029, China
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Han Z, Dash S, Sagum CA, Ruthel G, Jaladanki CK, Berry CT, Schwoerer MP, Harty NM, Freedman BD, Bedford MT, Fan H, Sidhu SS, Sudol M, Shtanko O, Harty RN. Modular mimicry and engagement of the Hippo pathway by Marburg virus VP40: Implications for filovirus biology and budding. PLoS Pathog 2020; 16:e1008231. [PMID: 31905227 PMCID: PMC6977764 DOI: 10.1371/journal.ppat.1008231] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 01/23/2020] [Accepted: 11/21/2019] [Indexed: 01/16/2023] Open
Abstract
Ebola (EBOV) and Marburg (MARV) are members of the Filoviridae family, which continue to emerge and cause sporadic outbreaks of hemorrhagic fever with high mortality rates. Filoviruses utilize their VP40 matrix protein to drive virion assembly and budding, in part, by recruitment of specific WW-domain-bearing host proteins via its conserved PPxY Late (L) domain motif. Here, we screened an array of 115 mammalian, bacterially expressed and purified WW-domains using a PPxY-containing peptide from MARV VP40 (mVP40) to identify novel host interactors. Using this unbiased approach, we identified Yes Associated Protein (YAP) and Transcriptional co-Activator with PDZ-binding motif (TAZ) as novel mVP40 PPxY interactors. YAP and TAZ function as downstream transcriptional effectors of the Hippo signaling pathway that regulates cell proliferation, migration and apoptosis. We demonstrate that ectopic expression of YAP or TAZ along with mVP40 leads to significant inhibition of budding of mVP40 VLPs in a WW-domain/PPxY dependent manner. Moreover, YAP colocalized with mVP40 in the cytoplasm, and inhibition of mVP40 VLP budding was more pronounced when YAP was localized predominantly in the cytoplasm rather than in the nucleus. A key regulator of YAP nuclear/cytoplasmic localization and function is angiomotin (Amot); a multi-PPxY containing protein that strongly interacts with YAP WW-domains. Interestingly, we found that expression of PPxY-containing Amot rescued mVP40 VLP egress from either YAP- or TAZ-mediated inhibition in a PPxY-dependent manner. Importantly, using a stable Amot-knockdown cell line, we found that expression of Amot was critical for efficient egress of mVP40 VLPs as well as egress and spread of authentic MARV in infected cell cultures. In sum, we identified novel negative (YAP/TAZ) and positive (Amot) regulators of MARV VP40-mediated egress, that likely function in part, via competition between host and viral PPxY motifs binding to modular host WW-domains. These findings not only impact our mechanistic understanding of virus budding and spread, but also may impact the development of new antiviral strategies. By screening an array of 115 mammalian WW-domains with the PPxY motif from MARV VP40 (mVP40), we identified YAP1 and TAZ, transcriptional effectors of the Hippo pathway, as mVP40 interactors, and demonstrated that ectopically expressed YAP1 or TAZ inhibited budding of mVP40 virus-like particles (VLPs) in a WW-domain/PPxY dependent manner. Angiomotin (Amot), a multi-PPxY containing regulator of YAP1 nuclear/cytoplasmic localization and function, rescued mVP40 VLP egress from either YAP1- or TAZ-mediated inhibition in a PPxY-dependent manner. Indeed, endogenous Amot expression was critical for egress of mVP40 VLPs and authentic MARV. In sum, we have revealed a link between the Hippo pathway and filovirus egress by identifying negative (YAP/TAZ) and positive (Amot) regulators of MARV VP40-mediated egress.
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Affiliation(s)
- Ziying Han
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Shantoshini Dash
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Cari A. Sagum
- Department of Epigenetics & Molecular Carcinogenesis, M.D. Anderson Cancer Center, University of Texas, Smithville, Texas, United States of America
| | - Gordon Ruthel
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Chaitanya K. Jaladanki
- Department of Physiology and Mechanobiology Institute at National University of Singapore, Institute for Molecular and Cell Biology, IMCB, and Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Corbett T. Berry
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Michael P. Schwoerer
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Nina M. Harty
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Bruce D. Freedman
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Mark T. Bedford
- Department of Epigenetics & Molecular Carcinogenesis, M.D. Anderson Cancer Center, University of Texas, Smithville, Texas, United States of America
| | - Hao Fan
- Department of Physiology and Mechanobiology Institute at National University of Singapore, Institute for Molecular and Cell Biology, IMCB, and Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Sachdev S. Sidhu
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Marius Sudol
- Department of Physiology and Mechanobiology Institute at National University of Singapore, Institute for Molecular and Cell Biology, IMCB, and Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Olena Shtanko
- Texas Biomedical Research Institute, San Antonio, Texas, United States of America
| | - Ronald N. Harty
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- * E-mail:
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Shimoda M, Moroishi T. The Emerging Link between the Hippo Pathway and Non-coding RNA. Biol Pharm Bull 2020; 43:1-10. [DOI: 10.1248/bpb.b19-00795] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Mayuko Shimoda
- Department of Cell Signaling and Metabolic Medicine, Faculty of Life Sciences, Kumamoto University
| | - Toshiro Moroishi
- Department of Cell Signaling and Metabolic Medicine, Faculty of Life Sciences, Kumamoto University
- Center for Metabolic Regulation of Health Aging, Faculty of Life Sciences, Kumamoto University
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST)
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Identification of functional lncRNAs in pseudorabies virus type II infected cells. Vet Microbiol 2019; 242:108564. [PMID: 32122616 DOI: 10.1016/j.vetmic.2019.108564] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 12/14/2022]
Abstract
Long noncoding RNAs (lncRNAs) play important roles in the antiviral responses. However, little is known about the identification and functions of swine lncRNAs in response to pseudorabies virus type II (PRV-II). Here, we detected the expression profiles of host lncRNAs from a wild-type (PRV-II DX) and gE/TK deficient (gE-TK-PRV) PRV-II infected cells. RNA-seq identified 664 differentially expressed (DE) lncRNAs from PRV-DX infected cells, 654 DE lncRNAs from gE-TK-PRV infected cells and 276 DE lncRNAs between PRV-DX and gE-TK-PRV infected cells. The potential functions of the significant differentially expressed (SDE) lncRNAs were involved in interleukin secretion, axon extension and metabolic process based on the gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) databases. Moreover, the expression patterns of sixteen SDE lncRNAs determined by RT-qPCR exhibited high correlation (r > 0.95) with those by RNA-seq results. Western blotting assay displayed the lncA02830 did not code for protein, and the silencing of lncA02830 could significantly up-regulate the transcription levels of IRF3, IFNβ as well as MX1 and inhibit the replication of PRV-II. Taken together, these data highlighted the potentials of lncRNA as targets for antiviral therapy and provided some novel knowledge of the mechanisms underlying the host interaction with PRV-II.
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Santos-de-Frutos K, Segrelles C, Lorz C. Hippo Pathway and YAP Signaling Alterations in Squamous Cancer of the Head and Neck. J Clin Med 2019; 8:jcm8122131. [PMID: 31817001 PMCID: PMC6947155 DOI: 10.3390/jcm8122131] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/26/2019] [Accepted: 11/29/2019] [Indexed: 12/20/2022] Open
Abstract
Head and neck cancer affects the upper aerodigestive tract and is the sixth leading cancer worldwide by incidence and the seventh by cause of death. Despite significant advances in surgery and chemotherapy, molecularly targeted therapeutic options for this type of cancer are scarce and long term survival rates remain low. Recently, comprehensive genomic studies have highlighted the most commonly altered genes and signaling pathways in this cancer. The Hippo-YAP pathway has been identified as a key oncogenic pathway in multiple tumors. Expression of genes controlled by the Hippo downstream transcriptional coactivators YAP (Yes-associated protein 1) and TAZ (WWTR1, WW domain containing transcription regulator 1) is widely deregulated in human cancer including head and neck squamous cell carcinoma (HNSCC). Interestingly, YAP/TAZ signaling might not be as essential for the normal homeostasis of adult tissues as for oncogenic growth, altogether making the pathway an amenable therapeutic target in cancer. Recent advances in the role of Hippo-YAP pathway in HNSCC have provided evidence that genetic alterations frequent in this type of cancer such as PIK3CA (phosphatidylinositide 3-kinase catalytic subunit alpha) overexpression or FAT1 (FAT atypical cadherin 1) functional loss can result in YAP activation. We discuss current therapeutic options targeting this pathway which are currently in use for other tumor types.
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Affiliation(s)
- Karla Santos-de-Frutos
- Molecular Oncology Unit, CIEMAT (ed 70A), Ave Complutense 40, 28040 Madrid, Spain; (K.S.-d.-F.); (C.S.)
- Molecular Oncology, Research Institute 12 de Octubre i+12, University Hospital 12 de Octubre, Ave Córdoba s/n, 28041 Madrid, Spain
| | - Carmen Segrelles
- Molecular Oncology Unit, CIEMAT (ed 70A), Ave Complutense 40, 28040 Madrid, Spain; (K.S.-d.-F.); (C.S.)
- Molecular Oncology, Research Institute 12 de Octubre i+12, University Hospital 12 de Octubre, Ave Córdoba s/n, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Ave Monforte de Lemos 3-5, 28029 Madrid, Spain
| | - Corina Lorz
- Molecular Oncology Unit, CIEMAT (ed 70A), Ave Complutense 40, 28040 Madrid, Spain; (K.S.-d.-F.); (C.S.)
- Molecular Oncology, Research Institute 12 de Octubre i+12, University Hospital 12 de Octubre, Ave Córdoba s/n, 28041 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Ave Monforte de Lemos 3-5, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-91-4962-521; Fax: +34-91-3466-484
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Yagi H, Onoyama I, Asanoma K, Hori E, Yasunaga M, Kodama K, Kijima M, Ohgami T, Kaneki E, Okugawa K, Yahata H, Kato K. Gα 13-mediated LATS1 down-regulation contributes to epithelial-mesenchymal transition in ovarian cancer. FASEB J 2019; 33:13683-13694. [PMID: 31569999 DOI: 10.1096/fj.201901278r] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Gα13, a heterotrimeric G-protein of the Gα12/13 subfamily, is associated with aggressive phenotypes in various human cancers. However, the mechanisms by which Gα13 promotes cancer progression have not been fully elucidated. Here, we demonstrate that the activation of Gα13 induces epithelial-mesenchymal transition in ovarian cancer (OvCa) cells through down-regulation of large tumor suppressor kinase (LATS) 1, a critical component of the Hippo signaling pathway. A synthetic biology approach using a mutant GPCR and chimeric G-protein revealed that Gα13-regulated phosphorylation of LATS1 at serine 909 within its activation loop induced recruitment of the itchy E3 ubiquitin protein ligase to trigger LATS1 degradation. Our findings uncover novel mechanisms through which Gα13 activation induces dysregulation of the Hippo signaling pathway, which leads to aggressive cancer phenotypes, and thereby identify a potential target for preventing the metastatic spread of OvCa.-Yagi, H., Onoyama, I., Asanoma, K., Hori, E., Yasunaga, M., Kodama, K., Kijima, M., Ohgami, T., Kaneki, E., Okugawa, K., Yahata, H., Kato, K. Gα13-mediated LATS1 down-regulation contributes to epithelial-mesenchymal transition in ovarian cancer.
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Affiliation(s)
- Hiroshi Yagi
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ichiro Onoyama
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kazuo Asanoma
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Emiko Hori
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masafumi Yasunaga
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Keisuke Kodama
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masako Kijima
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tatsuhiro Ohgami
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Eisuke Kaneki
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kaoru Okugawa
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hideaki Yahata
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kiyoko Kato
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Lin Z, Yang Z, Xie R, Ji Z, Guan K, Zhang M. Decoding WW domain tandem-mediated target recognitions in tissue growth and cell polarity. eLife 2019; 8:49439. [PMID: 31486770 PMCID: PMC6744271 DOI: 10.7554/elife.49439] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/04/2019] [Indexed: 02/06/2023] Open
Abstract
WW domain tandem-containing proteins such as KIBRA, YAP, and MAGI play critical roles in cell growth and polarity via binding to and positioning target proteins in specific subcellular regions. An immense disparity exists between promiscuity of WW domain-mediated target bindings and specific roles of WW domain proteins in cell growth regulation. Here, we discovered that WW domain tandems of KIBRA and MAGI, but not YAP, bind to specific target proteins with extremely high affinity and exquisite sequence specificity. Via systematic structural biology and biochemistry approaches, we decoded the target binding rules of WW domain tandems from cell growth regulatory proteins and uncovered a list of previously unknown WW tandem binding proteins including β-Dystroglycan, JCAD, and PTPN21. The WW tandem-mediated target recognition mechanisms elucidated here can guide functional studies of WW domain proteins in cell growth and polarity as well as in other cellular processes including neuronal synaptic signaling.
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Affiliation(s)
- Zhijie Lin
- Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Hong Kong, China
| | - Zhou Yang
- Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Hong Kong, China
| | - Ruiling Xie
- Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, United States.,Department of Otolaryngology, Head and Neck Surgery, Peking University First Hospital, Beijing, China
| | - Zeyang Ji
- Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Hong Kong, China
| | - Kunliang Guan
- Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, United States
| | - Mingjie Zhang
- Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Hong Kong, China.,Center of Systems Biology and Human Health, Hong Kong University of Science and Technology, Kowloon, China
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Mussell A, Frangou C, Zhang J. Regulation of the Hippo signaling pathway by deubiquitinating enzymes in cancer. Genes Dis 2019; 6:335-341. [PMID: 31832513 PMCID: PMC6888741 DOI: 10.1016/j.gendis.2019.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/04/2019] [Accepted: 06/18/2019] [Indexed: 12/30/2022] Open
Abstract
Regulation of the Hippo signaling pathway is essential for normal organ growth and tissue homeostasis. The proteins that act to regulate this pathway are important for ensuring proper function and cellular location. Deubiquitinases (DUBs) are a family of proteases that act upon many proteins. While ubiquitinases add ubiquitin and target proteins for degradation, DUBs act by removing ubiquitin (Ub) moieties. Changes in ubiquitin chain topology results in the stabilization of proteins, membrane trafficking, and the alteration of cellular localization. While the roles of these proteins have been well established in a cancer setting, their convergence in cancer is still under investigation. In this review, we discuss the roles that DUBs play in the regulation of the Hippo signaling pathway for homeostasis and disease.
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Affiliation(s)
- Ashley Mussell
- Department of Cancer Genetics and Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14261, USA
| | - Costa Frangou
- Harvard TH Chan School of Public Health, Molecular and Integrative Physiological Sciences, Boston, MA 02115, USA
| | - Jianmin Zhang
- Department of Cancer Genetics and Genomics, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14261, USA
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A study of mechanistic mapping of novel SNPs to male breast cancer. Med Oncol 2019; 36:70. [PMID: 31203460 DOI: 10.1007/s12032-019-1290-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 06/01/2019] [Indexed: 01/10/2023]
Abstract
Alterations in BRCA2, PALB2, CHEK2, and p53 genes have been identified for their association with male breast cancer in various studies. The incidence of male breast cancer in India is consistent with its global rate. The present study was carried out with an aim to evaluate the genetic alterations in male breast cancer patients from Malwa region of Punjab, India. Four male breast cancer patients belonging to different families were recruited from Guru Gobind Singh Medical College and Hospital, Faridkot, India. A total of 51 genes reported with implications in the pathogenesis of breast cancer were screened using next generation sequencing. Germline variations were found in BRCA1, BRCA2, PMS2, p53, and PALB2 genes, previously reported to be associated with MBC as well as FBC. In addition to these, 13 novel missense alterations were detected in eight genes including STK11, FZR1, PALB2, BRCA2, NF2, BAP1, BARD1, and CHEK2. Impact of these missense alterations on structure and function of protein was also analyzed through molecular dynamics simulation. Structural analysis of these single nucleotide polymorphisms (SNPs) revealed significant impact on the encoded protein functioning.
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Won GW, Park SH, Park J, Lee Y, Lee YH. Mammalian Hippo kinase pathway is downregulated by BCL-2 via protein degradation. Biochem Biophys Res Commun 2019; 512:87-92. [DOI: 10.1016/j.bbrc.2019.03.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Accepted: 03/02/2019] [Indexed: 01/27/2023]
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BRCA1/BARD1-dependent ubiquitination of NF2 regulates Hippo-YAP1 signaling. Proc Natl Acad Sci U S A 2019; 116:7363-7370. [PMID: 30918126 DOI: 10.1073/pnas.1822155116] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Coordination of growth and genomic stability is critical for normal cell physiology. Although the E3 ubiquitin ligase BRCA1 is a key player in maintenance of genomic stability, its role in growth signaling remains elusive. Here, we show that BRCA1 facilitates stabilization of YAP1 protein and turning "off" the Hippo pathway through ubiquitination of NF2. In BRCA1-deficient cells Hippo pathway is "turned On." Phosphorylation of YAP1 is crucial for this signaling process because a YAP1 mutant harboring alanine substitutions (Mt-YAP5SA) in LATS1 kinase recognition sites not only resists degradation but also rescues YAP1 transcriptional activity in BRCA1-deficient cells. Furthermore, an ectopic expression of the active Mt-YAP5SA, but not inactive Mt-YAP6SA, promotes EGF-independent proliferation and tumorigenesis in BRCA1-/- mammary epithelial cells. These findings establish an important role of BRCA1 in regulating stability of YAP1 protein that correlates positively with cell proliferation.
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Segrelles C, Paramio JM, Lorz C. The transcriptional co-activator YAP: A new player in head and neck cancer. Oral Oncol 2018; 86:25-32. [PMID: 30409308 DOI: 10.1016/j.oraloncology.2018.08.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 08/26/2018] [Indexed: 12/14/2022]
Abstract
The Hippo-YAP (Yes-associated protein) pathway is a key regulator of tissue growth, organ size and stem cell function. More recently, a fundamental role for this pathway has emerged in stem cell function and tumorigenesis. Activation of the transcriptional co-activator YAP promotes cell-contact independent proliferation, epithelial to mesenchymal transition (EMT), cancer stem cell features and drug resistance. In this review, we describe the main components of the pathway, the microenvironment and the cell-intrinsic cues governing its activation, the downstream players of the pathway and the biological implications of their activation in the context of cancer. We will focus on the existing knowledge of this pathway in head and neck squamous carcinoma (HNSCC), its clinical value in this type of cancer as a marker of poor prognosis and resistance to therapy, as well as the most encouraging therapeutic strategies targeting the pathway.
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Affiliation(s)
- Carmen Segrelles
- Molecular Oncology Unit, CIEMAT (ed 70A), Av. Complutense 40, 28040 Madrid, Spain; Molecular Oncology, University Hospital 12 de Octubre, Research Institute 12 de Octubre i+12, Av. Córdoba s/n, 28041 Madrid, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Av. Monforte de Lemos, 3-5, 28029 Madrid, Spain
| | - Jesús M Paramio
- Molecular Oncology Unit, CIEMAT (ed 70A), Av. Complutense 40, 28040 Madrid, Spain; Molecular Oncology, University Hospital 12 de Octubre, Research Institute 12 de Octubre i+12, Av. Córdoba s/n, 28041 Madrid, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Av. Monforte de Lemos, 3-5, 28029 Madrid, Spain
| | - Corina Lorz
- Molecular Oncology Unit, CIEMAT (ed 70A), Av. Complutense 40, 28040 Madrid, Spain; Molecular Oncology, University Hospital 12 de Octubre, Research Institute 12 de Octubre i+12, Av. Córdoba s/n, 28041 Madrid, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Av. Monforte de Lemos, 3-5, 28029 Madrid, Spain.
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Wu Y, Qiu W, Xu X, Kang J, Wang J, Wen Y, Tang X, Yan Y, Qian H, Zhang X, Xu W, Mao F. Exosomes derived from human umbilical cord mesenchymal stem cells alleviate inflammatory bowel disease in mice through ubiquitination. Am J Transl Res 2018; 10:2026-2036. [PMID: 30093940 PMCID: PMC6079129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/20/2018] [Indexed: 06/08/2023]
Abstract
Exosomes released from mesenchymal stem cells (MSCs) have an anti-inflammatory effect and can repair tissue injuries. Ubiquitination plays an important role in the regulation of various biological functions, including the regulation of inflammation. However, it remains unknown whether exosomes from human umbilical cord mesenchymal stem cells (hucMSC-ex) may cure the mice of DSS-induced inflammatory bowel disease (IBD) through the ubiquitin modification. In this study, we aimed to investigate the therapeutic effect and probe the mechanism relating to ubiquitination underlying the hucMSC-ex treatment in DSS-induced IBD of mice. HucMSC-ex significantly improved the symptoms of IBD in mice. In the IBD group, the gene expression levels of TNF-α, IL-1β, IL-6, NAe1, E2M and Uba3 dramatically increased while those of IL-10 and IP-10 decreased. The gene expression level in the group of hucMSC-ex treatment was adversed to that in the group of IBD. In the hucMSC-ex treated group, western blot results showed that the protein expressions of K48, K63 and FK2 have significantly decreased. Compared with that in the IBD mice, the mice treated by hucMSC-ex could recover the integrity of tissue structure. Our results indicated that exosomes from hucMSCs have profound effects on alleviating DSS-induced IBD and may exert their function by regulating the ubiquitin modification level.
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Affiliation(s)
- Yunbing Wu
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
- Northern Jiangsu People’s HospitalYangzhou 225009, Jiangsu, P. R. China
| | - Wei Qiu
- Jiangning Hospital of NanjingNanjing 211100, Jiangsu, P. R. China
| | - Xinwei Xu
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Jingjing Kang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Jingyan Wang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Yingying Wen
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Xudong Tang
- Jiangsu University of Science and TechnologyZhenjiang 212018, Jiangsu, P. R. China
| | - Yongmin Yan
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Hui Qian
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Xu Zhang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Wenrong Xu
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Fei Mao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
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