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Basbous S, Dif L, Dantzer C, Di-Tommaso S, Dupuy JW, Bioulac-Sage P, Raymond AA, Desdouets C, Saltel F, Moreau V. Loss of RND3/RHOE controls entosis through LAMP1 expression in hepatocellular carcinoma. Cell Death Dis 2024; 15:46. [PMID: 38218945 PMCID: PMC10787830 DOI: 10.1038/s41419-024-06420-3] [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: 07/31/2023] [Revised: 12/17/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024]
Abstract
Entosis is a process that leads to the formation of cell-in-cell structures commonly found in cancers. Here, we identified entosis in hepatocellular carcinoma and the loss of Rnd3 (also known as RhoE) as an efficient inducer of this mechanism. We characterized the different stages and the molecular regulators of entosis induced after Rnd3 silencing. We demonstrated that this process depends on the RhoA/ROCK pathway, but not on E-cadherin. The proteomic profiling of entotic cells allowed us to identify LAMP1 as a protein upregulated by Rnd3 silencing and implicated not only in the degradation final stage of entosis, but also in the full mechanism. Moreover, we found a positive correlation between the presence of entotic cells and the metastatic potential of tumors in human patient samples. Altogether, these data suggest the involvement of entosis in liver tumor progression and highlight a new perspective for entosis analysis in medicine research as a novel therapeutic target.
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Affiliation(s)
- Sara Basbous
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Lydia Dif
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Camille Dantzer
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Sylvaine Di-Tommaso
- CHU de Bordeaux, 33076, Bordeaux, France
- Oncoprot Platform, UMS005, TBMCore, University of Bordeaux, 33076, Bordeaux, France
| | - Jean-William Dupuy
- Oncoprot Platform, UMS005, TBMCore, University of Bordeaux, 33076, Bordeaux, France
- Proteomic plateform, University of Bordeaux, 33076, Bordeaux, France
| | - Paulette Bioulac-Sage
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
- CHU de Bordeaux, 33076, Bordeaux, France
| | - Anne-Aurélie Raymond
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
- Oncoprot Platform, UMS005, TBMCore, University of Bordeaux, 33076, Bordeaux, France
| | - Chantal Desdouets
- Sorbonne University, INSERM, Centre de Recherche des Cordeliers (CRC), Paris, France
| | - Frédéric Saltel
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
- Oncoprot Platform, UMS005, TBMCore, University of Bordeaux, 33076, Bordeaux, France
| | - Violaine Moreau
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France.
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Gest C, Sena S, Dif L, Neaud V, Loesch R, Dugot-Senant N, Paysan L, Piquet L, Robbe T, Allain N, Dembele D, Guettier C, Bioulac-Sage P, Rullier A, Le Bail B, Grosset CF, Saltel F, Lagrée V, Colnot S, Moreau V. Antagonism between wild-type and mutant β-catenin controls hepatoblastoma differentiation via fascin-1. JHEP Rep 2023; 5:100691. [PMID: 37153687 PMCID: PMC10159820 DOI: 10.1016/j.jhepr.2023.100691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 01/13/2023] [Accepted: 01/17/2023] [Indexed: 05/10/2023] Open
Abstract
Background & Aims β-catenin is a well-known effector of the Wnt pathway, and a key player in cadherin-mediated cell adhesion. Oncogenic mutations of β-catenin are very frequent in paediatric liver primary tumours. Those mutations are mostly heterozygous, which allows the co-expression of wild-type (WT) and mutated β-catenins in tumour cells. We investigated the interplay between WT and mutated β-catenins in liver tumour cells, and searched for new actors of the β-catenin pathway. Methods Using an RNAi strategy in β-catenin-mutated hepatoblastoma (HB) cells, we dissociated the structural and transcriptional activities of β-catenin, which are carried mainly by WT and mutated proteins, respectively. Their impact was characterised using transcriptomic and functional analyses. We studied mice that develop liver tumours upon activation of β-catenin in hepatocytes (APCKO and β-cateninΔexon3 mice). We used transcriptomic data from mouse and human HB specimens, and used immunohistochemistry to analyse samples. Results We highlighted an antagonistic role of WT and mutated β-catenins with regard to hepatocyte differentiation, as attested by alterations in the expression of hepatocyte markers and the formation of bile canaliculi. We characterised fascin-1 as a transcriptional target of mutated β-catenin involved in tumour cell differentiation. Using mouse models, we found that fascin-1 is highly expressed in undifferentiated tumours. Finally, we found that fascin-1 is a specific marker of primitive cells including embryonal and blastemal cells in human HBs. Conclusions Fascin-1 expression is linked to a loss of differentiation and polarity of hepatocytes. We present fascin-1 as a previously unrecognised factor in the modulation of hepatocyte differentiation associated with β-catenin pathway alteration in the liver, and as a new potential target in HB. Impact and implications The FSCN1 gene, encoding fascin-1, was reported to be a metastasis-related gene in various cancers. Herein, we uncover its expression in poor-prognosis hepatoblastomas, a paediatric liver cancer. We show that fascin-1 expression is driven by the mutated beta-catenin in liver tumour cells. We provide new insights on the impact of fascin-1 expression on tumour cell differentiation. We highlight fascin-1 as a marker of immature cells in mouse and human hepatoblastomas.
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Affiliation(s)
- Caroline Gest
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Sandra Sena
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Lydia Dif
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Véronique Neaud
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Robin Loesch
- INSERM, Sorbonne Université, Université de Paris, Centre de Recherche des Cordeliers (CRC), Paris, France
| | | | - Lisa Paysan
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Léo Piquet
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Terezinha Robbe
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Nathalie Allain
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Doulaye Dembele
- IGBMC, CNRS UMR 7104 – INSERM U 1258 – Université de Strasbourg, Illkirch, France
| | - Catherine Guettier
- Department of Pathology, Bicêtre University Hospital, University of Paris-Saclay, Assistance Publique-Hôpitaux de Paris, Le Kremlin-Bicêtre, France
| | | | - Anne Rullier
- Department of Pathology, University Bordeaux Hospital, Bordeaux, France
| | - Brigitte Le Bail
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
- Department of Pathology, University Bordeaux Hospital, Bordeaux, France
| | | | - Frédéric Saltel
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Valérie Lagrée
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
| | - Sabine Colnot
- INSERM, Sorbonne Université, Université de Paris, Centre de Recherche des Cordeliers (CRC), Paris, France
| | - Violaine Moreau
- University of Bordeaux, INSERM, BRIC, U1312, Bordeaux, France
- Corresponding author. Address: 146 Rue Léo Saignat, F-33076, Bordeaux, France. Tel.: +33-5-57-57-12-72.
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Silencing of RND3/RHOE inhibits the growth of human hepatocellular carcinoma and is associated with reversible senescence. Cancer Gene Ther 2022; 29:437-444. [PMID: 35256752 DOI: 10.1038/s41417-022-00445-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 01/24/2022] [Accepted: 02/11/2022] [Indexed: 02/02/2023]
Abstract
Rnd3/RhoE is an atypical Rho GTPase family member, known to be deregulated in many types of cancer. Previously, we showed that RND3 expression is downregulated in hepatocellular carcinoma (HCC) cell lines and tissues. In cancer cells, Rnd3 is involved in the regulation of cell proliferation and cell invasion. The implication of Rnd3 in HCC invasion was importantly studied whereas its role in cell growth needs further investigation. Thus, in this work, we aimed to better understand the impact of Rnd3 on tumor hepatocyte proliferation. Our results indicate that the silencing of RND3 induces a cell growth arrest both in vitro in 2D and 3D culture conditions and in vivo in tumor xenografts. The growth alteration after RND3 silencing in HCC cells is not due to an increase of cell death but to the induction of senescence. This RND3 knockdown-mediated phenomenon is dependent on the decrease of hTERT expression. Interestingly, after re-expression of RND3, these cells are able to bypass senescence and regain the ability to proliferate, with a re-expression of hTERT. Given that a low expression of Rnd3 is linked to the presence of satellite nodules in HCC, the transient senescence state observed might play a role in cancer progression.
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Li SZ, Zhang ZY, Chen J, Dong MY, Du XH, Gao J, Shu QP, Li C, Liang XY, Ding ZH, Du RL, Wang J, Zhang XD. NLK is required for Ras/ERK/SRF/ELK signaling to tune skeletal muscle development by phosphorylating SRF and antagonizing the SRF/MKL pathway. Cell Death Dis 2022; 8:4. [PMID: 35013153 PMCID: PMC8748963 DOI: 10.1038/s41420-021-00774-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/15/2021] [Accepted: 11/25/2021] [Indexed: 11/23/2022]
Abstract
Serum response factor (SRF) regulates differentiation and proliferation by binding to RhoA-actin-activated MKL or Ras-MAPK-activated ELK transcriptional coactivators, but the molecular mechanisms responsible for SRF regulation remain unclear. Here, we show that Nemo-like kinase (NLK) is required for the promotion of SRF/ELK signaling in human and mouse cells. NLK was found to interact with and phosphorylate SRF at serine residues 101/103, which in turn enhanced the association between SRF and ELK. The enhanced affinity of SRF/ELK antagonized the SRF/MKL pathway and inhibited mouse myoblast differentiation in vitro. In a skeletal muscle-specific Nlk conditional knockout mouse model, forming muscle myofibers underwent hypertrophic growth, resulting in an increased muscle and body mass phenotype. We propose that both phosphorylation of SRF by NLK and phosphorylation of ELKs by MAPK are required for RAS/ELK signaling, confirming the importance of this ancient pathway and identifying an important role for NLK in modulating muscle development in vivo.
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Affiliation(s)
- Shang-Ze Li
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China.,School of Medicine, Chongqing University, 400030, Chongqing, China
| | - Ze-Yan Zhang
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Jie Chen
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Ming-You Dong
- Reproductive genetics laboratory, Affiliated hospital of Youjiang Medical University for Nationalities, 533000, Baise, Guangxi, China
| | - Xue-Hua Du
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Jie Gao
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Qi-Peng Shu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Chao Li
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Xin-Yi Liang
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Zhi-Hao Ding
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Run-Lei Du
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China
| | - Junli Wang
- School of Medicine, Chongqing University, 400030, Chongqing, China. .,Reproductive genetics laboratory, Affiliated hospital of Youjiang Medical University for Nationalities, 533000, Baise, Guangxi, China.
| | - Xiao-Dong Zhang
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, 430072, Wuhan, Hubei, China. .,Reproductive genetics laboratory, Affiliated hospital of Youjiang Medical University for Nationalities, 533000, Baise, Guangxi, China.
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Zhao K, Yuan WH, Li WJ, Chi ZP, Wang SR, Chen ZG. Effect of RhoE expression on the migration and invasion of tongue squamous cell carcinoma. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2021; 39:510-517. [PMID: 34636197 DOI: 10.7518/hxkq.2021.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVES This study aims to investigate the effect of RhoE expression on the migration and invasion of tongue squamous cell carcinoma (TSCC). METHODS Forty-eight TSCC cases were selected from the Maxillofacial Surgery Center of Qingdao Municipal Hospital from 2017 to 2019. The expression of RhoE in the specimens (TSCC and adjacent tissues) was detected by immunohistochemistry, and RhoE mRNA and protein were extracted to further detect the expression of RhoE. SCC-4 and CAL-27 cells were selected for in vitro experiments. Transient transfection was used to overexpress RhoE. Real-time fluorescence quantitative PCR (qRT-PCR) and Western blot analyses were conducted to detect the overexpression efficiency. Scratch test and Transwell cell invasion tests were used to detect the migration and invasion ability of TSCC, respectively. The expression levels of Rho-associated coiled-coil-containing protein kinase 1 (ROCK1), matrix metalloproteinase-2 (MMP-2), and matrix metalloproteinase-9 (MMP-9) were detected by Western blot. Experimental data were analyzed by Graphpad prism 8.2.1 software. RESULTS The expression level of RhoE in TSCC was significantly lower than that in adjacent tissues (P<0.05). The migration and invasion abilities of TSCC were significantly lower than those in the control group (P<0.05). The Western blot showed significantly lower expression levels of ROCK1, MMP-2, and MMP-9 in the experimental group than in the control group (P<0.05). CONCLUSIONS RhoE expression is low in TSCC. Over expression RhoE in TSCC can significantly decrease its migration and invasion abilities. Hence, RhoE may play an important role in regulating the metastasis and invasion of TSCC and provide a new target for gene therapy.
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Affiliation(s)
- Kai Zhao
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Wen-Hong Yuan
- Dept. of Stomatology, Qingdao Municipal Hospital, Qingdao University, Qingdao 266071, China
| | - Wen-Jian Li
- School of Stomatology, Dalian Medical University, Dalian 116044, China
| | - Zeng-Peng Chi
- College of Stomatology, Weifang Medical University, Weifang 261021, China
| | - Shao-Ru Wang
- School of Stomatology, Dalian Medical University, Dalian 116044, China
| | - Zheng-Gang Chen
- Dept. of Stomatology, Qingdao Municipal Hospital, Qingdao University, Qingdao 266071, China
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Relationship between the Levels of mRNA Expression for Protein Phosphatase 1B and Proteins Involved in Cytoskeleton Remodeling in Squamous Cell Carcinoma of the Larynx and Hypopharynx. Bull Exp Biol Med 2020; 169:504-507. [PMID: 32915364 DOI: 10.1007/s10517-020-04918-2] [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: 10/24/2019] [Indexed: 10/23/2022]
Abstract
We analyzed the expression of genes encoding proteins involved in cytoskeleton remodeling (RND3, SNAI1, vimentin, cofilin, adenylate cyclase-associated protein 1, ezrin, and profilin) depending on the level of expression of protein phosphatase 1B (PPM1B) mRNA on the example of squamous cell carcinoma of the larynx and hypopharynx. Against the background of a high level of PPM1B expression, a significantly high level of profilin expression was noted. Metastasis correlated with the level of snai1 expression, while relapse after combination treatment was negatively associated with the level of vimentin expression. The obtained new data can reflect molecular peculiarities of the tumor growth in squamous cell carcinoma of the larynx and hypopharynx.
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