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Kim JE, Park S, Kwak C, Lee Y, Song D, Jung JW, Lee H, Shin E, Pinanga Y, Pyo K, Lee EH, Kim W, Kim S, Jun C, Yun J, Choi S, Rhee H, Liu K, Lee JW. Glucose-mediated mitochondrial reprogramming by cholesterol export at TM4SF5-enriched mitochondria-lysosome contact sites. Cancer Commun (Lond) 2024; 44:47-75. [PMID: 38133457 PMCID: PMC10794009 DOI: 10.1002/cac2.12510] [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: 06/30/2023] [Revised: 11/25/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Transmembrane 4 L six family member 5 (TM4SF5) translocates subcellularly and functions metabolically, although it is unclear how intracellular TM4SF5 translocation is linked to metabolic contexts. It is thus of interests to understand how the traffic dynamics of TM4SF5 to subcellular endosomal membranes are correlated to regulatory roles of metabolisms. METHODS Here, we explored the metabolic significance of TM4SF5 localization at mitochondria-lysosome contact sites (MLCSs), using in vitro cells and in vivo animal systems, via approaches by immunofluorescence, proximity labelling based proteomics analysis, organelle reconstitution etc. RESULTS: Upon extracellular glucose repletion following depletion, TM4SF5 became enriched at MLCSs via an interaction between mitochondrial FK506-binding protein 8 (FKBP8) and lysosomal TM4SF5. Proximity labeling showed molecular clustering of phospho-dynamic-related protein I (DRP1) and certain mitophagy receptors at TM4SF5-enriched MLCSs, leading to mitochondrial fission and autophagy. TM4SF5 bound NPC intracellular cholesterol transporter 1 (NPC1) and free cholesterol, and mediated export of lysosomal cholesterol to mitochondria, leading to impaired oxidative phosphorylation but intact tricarboxylic acid (TCA) cycle and β-oxidation. In mouse models, hepatocyte Tm4sf5 promoted mitophagy and cholesterol transport to mitochondria, both with positive relations to liver malignancy. CONCLUSIONS Our findings suggested that TM4SF5-enriched MLCSs regulate glucose catabolism by facilitating cholesterol export for mitochondrial reprogramming, presumably while hepatocellular carcinogenesis, recapitulating aspects for hepatocellular carcinoma metabolism with mitochondrial reprogramming to support biomolecule synthesis in addition to glycolytic energetics.
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Affiliation(s)
- Ji Eon Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - So‐Young Park
- BK21 FOUR Community‐Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National UniversityDaeguRepublic of Korea
| | - Chulhwan Kwak
- Department of ChemistrySeoul National UniversitySeoulRepublic of Korea
| | - Yoonji Lee
- College of Pharmacy, Chung‐Ang UniversitySeoulRepublic of Korea
| | - Dae‐Geun Song
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST)Gangneung‐siGangwon‐doRepublic of Korea
| | - Jae Woo Jung
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Haesong Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Eun‐Ae Shin
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Yangie Pinanga
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Kyung‐hee Pyo
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Eun Hae Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Wonsik Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Soyeon Kim
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
| | - Chang‐Duck Jun
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST)GwangjuRepublic of Korea
| | - Jeanho Yun
- Department of BiochemistryCollege of Medicine, Dong‐A UniversityBusanRepublic of Korea
| | - Sun Choi
- Global AI Drug Discovery Center, College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans UniversitySeoulRepublic of Korea
| | - Hyun‐Woo Rhee
- Department of ChemistrySeoul National UniversitySeoulRepublic of Korea
| | - Kwang‐Hyeon Liu
- BK21 FOUR Community‐Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National UniversityDaeguRepublic of Korea
| | - Jung Weon Lee
- Department of PharmacyCollege of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic Engineering, Seoul National UniversitySeoulRepublic of Korea
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Jung JW, Kim JE, Kim E, Lee H, Lee H, Shin E, Lee JW. Liver-originated small extracellular vesicles with TM4SF5 target brown adipose tissue for homeostatic glucose clearance. J Extracell Vesicles 2022; 11:e12262. [PMID: 36063136 PMCID: PMC9443943 DOI: 10.1002/jev2.12262] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/27/2022] [Accepted: 08/16/2022] [Indexed: 11/09/2022] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) is involved in chronic liver disease, although its role in glucose homeostasis remains unknown. TM4SF5 deficiency caused age-dependent glucose (in)tolerance with no link to insulin sensitivity. Further, hepatic TM4SF5 binding to GLUT1 promoted glucose uptake and glycolysis. Excessive glucose repletion caused hepatocytes to secrete small extracellular vesicles (sEVs) loaded with TM4SF5 (hep-sEVTm4sf5 ), suggesting a role for sEVTm4sf5 in glucose metabolism and homeostasis. Hep-sEVTm4sf5 were smaller than sEVControl and recruit proteins for efficient organ tropism. Liver-derived sEVs, via a liver-closed vein circuit (LCVC) using hepatic TM4SF5-overexpressing (Alb-Tm4sf5 TG) mice (liv-sEVTm4sf5 ), improved glucose tolerance in Tm4sf5-/- KO mice and targeted brown adipose tissues (BATs), possibly allowing the clearance of blood glucose as heat independent of UCP1. Taken together, hep-sEVTm4sf5 might clear high extracellular glucose levels more efficiently by targeting BAT compared with hep-sEVControl , suggesting an insulin-like role for sEV™4SF5 in affecting age-related metabolic status and thus body weight (BW).
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Affiliation(s)
- Jae Woo Jung
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic EngineeringSeoul National UniversitySeoulRepublic of Korea
| | - Ji Eon Kim
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Eunmi Kim
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Hyejin Lee
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Haesong Lee
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Eun‐Ae Shin
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
| | - Jung Weon Lee
- Department of Pharmacy, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Research Institute of Pharmaceutical Sciences, College of PharmacySeoul National UniversitySeoulRepublic of Korea
- Interdisciplinary Program in Genetic EngineeringSeoul National UniversitySeoulRepublic of Korea
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Kim JE, Kim E, Lee JW. TM4SF5-Mediated Regulation of Hepatocyte Transporters during Metabolic Liver Diseases. Int J Mol Sci 2022; 23:ijms23158387. [PMID: 35955521 PMCID: PMC9369364 DOI: 10.3390/ijms23158387] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 02/01/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is found in up to 30% of the world’s population and can lead to hepatocellular carcinoma (HCC), which has a poor 5-year relative survival rate of less than 40%. Clinical therapeutic strategies are not very successful. The co-occurrence of metabolic disorders and inflammatory environments during the development of steatohepatitis thus needs to be more specifically diagnosed and treated to prevent fatal HCC development. To improve diagnostic and therapeutic strategies, the identification of molecules and/or pathways responsible for the initiation and progression of chronic liver disease has been explored in many studies, but further study is still required. Transmembrane 4 L six family member 5 (TM4SF5) has been observed to play roles in the regulation of metabolic functions and activities in hepatocytes using in vitro cell and in vivo animal models without or with TM4SF5 expression in addition to clinical liver tissue samples. TM4SF5 is present on the membranes of different organelles or vesicles and cooperates with transporters for fatty acids, amino acids, and monocarbohydrates, thus regulating nutrient uptake into hepatocytes and metabolism and leading to phenotypes of chronic liver diseases. In addition, TM4SF5 can remodel the immune environment by interacting with immune cells during TM4SF5-mediated chronic liver diseases. Because TM4SF5 may act as an NAFLD biomarker, this review summarizes crosstalk between TM4SF5 and nutrient transporters in hepatocytes, which is related to chronic liver diseases.
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Chung CT, Yeh KC, Lee CH, Chen YY, Ho PJ, Chang KY, Chen CH, Lai YK, Chen CT. Molecular profiling of afatinib-resistant non-small cell lung cancer cells in vivo derived from mice. Pharmacol Res 2020; 161:105183. [PMID: 32896579 DOI: 10.1016/j.phrs.2020.105183] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 08/21/2020] [Accepted: 08/25/2020] [Indexed: 01/28/2023]
Abstract
Non-small-cell lung cancer (NSCLC) is a leading cause of cancer-related death worldwide. NSCLC patients with overexpressed or mutated epidermal growth factor receptor (EGFR) related to disease progression are treated with EGFR-tyrosine kinase inhibitors (EGFR-TKIs). Acquired drug resistance after TKI treatments has been a major focus for development of NSCLC therapies. This study aimed to establish afatinib-resistant cell lines from which afatinib resistance-associated genes are identified and the underlying mechanisms of multiple-TKI resistance in NSCLC can be further investigated. Nude mice bearing subcutaneous NSCLC HCC827 tumors were administered with afatinib at different dose intensities (5-100 mg/kg). We established three HCC827 sublines resistant to afatinib (IC50 > 1 μM) with cross-resistance to gefitinib (IC50 > 5 μM). cDNA microarray revealed several of these sublines shared 27 up- and 13 down-regulated genes. The mRNA expression of selective novel genes - such as transmembrane 4 L six family member 19 (TM4SF19), suppressor of cytokine signaling 2 (SOCS2), and quinolinate phosphoribosyltransferase (QPRT) - are responsive to afatinib treatments only at high concentrations. Furthermore, c-MET amplification and activations of a subset of tyrosine kinase receptors were observed in all three resistant cells. PHA665752, a c-MET inhibitor, remarkably increased the sensitivity of these resistant cells to afatinib (IC50 = 12-123 nM). We established afatinib-resistant lung cancer cell lines and here report genes associated with afatinib resistance in human NSCLC. These cell lines and the identified genes serve as useful investigational tools, prognostic biomarkers of TKI therapies, and promising molecule targets for development of human NSCLC therapeutics.
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Affiliation(s)
- Cheng-Ta Chung
- Graduate Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan; Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan
| | - Kai-Chia Yeh
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan
| | - Chia-Huei Lee
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Taiwan
| | - Yun-Yu Chen
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan
| | - Pai-Jiun Ho
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan
| | - Kai-Yen Chang
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan
| | - Chieh-Hsin Chen
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan
| | - Yiu-Kay Lai
- Graduate Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan.
| | - Chiung-Tong Chen
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Taiwan.
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Song DG, Lee GH, Nam SH, Cheong JG, Jeong D, Lee SJ, Pan CH, Jung JW, Kim HJ, Ryu J, Kim JE, Kim S, Cho CY, Kang MK, Lee KM, Lee JW. TM4SF5 promotes metastatic behavior of cells in 3D extracellular matrix gels by reducing dependency on environmental cues. Oncotarget 2017; 8:83480-83494. [PMID: 29137358 PMCID: PMC5663530 DOI: 10.18632/oncotarget.17644] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 04/19/2017] [Indexed: 11/25/2022] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) is highly expressed in hepatocellular carcinoma tissues and enhances migration in two-dimensional environments. Here, we investigated how TM4SF5 is involved in diverse pro-metastatic phenotypes in in vivo-like three-dimensional (3D) extracellular matrix gels. TM4SF5-positive cells aggressively formed invasive foci in 3D Matrigel, depending on TM4SF5-mediated signaling activity, cytoskeletal organization, and matrix metallopeptidase (MMP) 2-mediated extracellular remodeling, whereas TM4SF5-null cells did not. The TM4SF5-null cells did, however, form invasive foci in 3D Matrigel following inhibition of Rho-associated protein kinase or addition of collagen I, suggesting that collagen I compensated for TM4SF5 expression. Similarly, TM4SF5-positive cells expressing vascular endothelial-cadherin formed network-like vasculogenic mimicry in 3D Matrigel and collagen I mixture gels, whereas TM4SF5-negative cells in the mixture gels displayed the network structures only upon further treatment with epidermal growth factor. The foci formation also required MMP2-mediated remodeling of the extracellular matrix. Co-cultures exhibited TM4SF5-positive or cancer-associated fibroblasts at the outward edges of TM4SF5-null cell clusters. Compared with TM4SF5-null cells, TM4SF5-positive cells in 3D collagen gels showed a more invasive outgrowth with dramatic invadopodia. These observations suggest that TM4SF5 plays roles in the promotion of diverse metastatic properties with fewer environmental requirements than TM4SF5-negative cells.
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Affiliation(s)
- Dae-Geun Song
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea.,Systems Biotechnology Research Center, Korea Institute of Science and Technology (KIST), Gangneung-si, 25451 Gangwon-do, Korea
| | - Gyu-Ho Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Seo Hee Nam
- Interdisciplinary Program in Genetic Engineering, Seoul National University, 08826 Seoul, Korea
| | - Jin-Gyu Cheong
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Doyoung Jeong
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Seo-Jin Lee
- Department of Life Science and Biotechnology, Shingyeong University, Gyeonggi-do, 18274, Korea
| | - Cheol-Ho Pan
- Systems Biotechnology Research Center, Korea Institute of Science and Technology (KIST), Gangneung-si, 25451 Gangwon-do, Korea
| | - Jae Woo Jung
- Interdisciplinary Program in Genetic Engineering, Seoul National University, 08826 Seoul, Korea
| | - Hye-Jin Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Jihye Ryu
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Ji Eon Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Somi Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Chang Yun Cho
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Min-Kyung Kang
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Kyung-Min Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea
| | - Jung Weon Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, 08826 Seoul, Korea.,Interdisciplinary Program in Genetic Engineering, Seoul National University, 08826 Seoul, Korea
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TM4SF5-Mediated Roles in the Development of Fibrotic Phenotypes. Mediators Inflamm 2017; 2017:5108525. [PMID: 28458469 PMCID: PMC5385246 DOI: 10.1155/2017/5108525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 03/13/2017] [Indexed: 12/31/2022] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) can form tetraspanin-enriched microdomains (TERMs) on the cell's surface. TERMs contain protein-protein complexes comprised of tetraspanins, growth factor receptors, and integrins. These complexes regulate communication between extracellular and intracellular spaces to control diverse cellular functions. TM4SF5 influences the epithelial-mesenchymal transition (EMT), aberrant multilayer cellular growth, drug resistance, enhanced migration and invasion, circulation through the bloodstream, tumor-initiation property, metastasis, and muscle development in zebrafish. Here, current data on TM4SF5's roles in the development of fibrotic phenotypes are reviewed. TM4SF5 is induced by transforming growth factor β1 (TGFβ1) signaling via a collaboration with epidermal growth factor receptor (EGFR) activation. TM4SF5, by itself or in concert with other receptors, transduces signals intracellularly. In hepatocytes, TM4SF5 expression regulates cell cycle progression, migration, and expression of extracellular matrix components. In CCl4-treated mice, TM4SF5, α-smooth muscle actin (α-SMA), and collagen I expression are observed together along the fibrotic septa regions of the liver. These fibrotic phenotypes are diminished by anti-TM4SF5 reagents, such as a specific small compound [TSAHC, 4'-(p-toluenesulfonylamido)-4-hydroxychalcone] or a chimeric antibody. This review discusses the antifibrotic strategies that target TM4SF5 and its associated protein networks that regulate the intracellular signaling necessary for fibrotic functions of hepatocytes.
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Ahn HM, Ryu J, Song JM, Lee Y, Kim HJ, Ko D, Choi I, Kim SJ, Lee JW, Kim S. Anti-cancer Activity of Novel TM4SF5-Targeting Antibodies through TM4SF5 Neutralization and Immune Cell-Mediated Cytotoxicity. Am J Cancer Res 2017; 7:594-613. [PMID: 28255353 PMCID: PMC5327636 DOI: 10.7150/thno.15629] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 08/04/2016] [Indexed: 11/05/2022] Open
Abstract
The transmembrane four L6 family member 5 (TM4SF5) protein is a novel molecular target for the prevention and treatment of hepatocellular carcinoma. TM4SF5 is highly expressed in liver, colon, esophageal, and pancreatic cancers and is implicated in tumor progression. Here, we screened monoclonal antibodies that specifically bound to the extracellular loop 2 (EC2) of TM4SF5 from a phage-displayed murine antibody (single-chain variable fragment; scFv) library. We constructed and characterized chimeric antibodies, Ab27 and Ab79, of scFv fused with Fc domain of human IgG1. The affinity (KD) of Ab27 and Ab79 for soluble EC2 was approximately 9.2 nM and 16.9 nM, respectively, as determined by surface plasmon resonance analysis. Ab27 and Ab79 efficiently bound to native TM4SF5 on the cell surface were internalized into the cancer cells, leading to a decrease in cell surface TM4SF5. Ab27 and Ab79 inhibited the proliferation and invasion of TM4SF5-positive liver and colon cancer cells and reduced FAK and c-Src phosphorylation. Ab27 and Ab79 also enhanced anoikis sensitivity and reduced survivin. Ab27 mediated antibody-dependent cell-mediated cytotoxicity in vitro. Ab27 and Ab79 efficiently inhibited tumor growth in a liver cancer xenograft model. These results strongly support the further development of Ab27 as a novel anti-cancer agent in the clinic.
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Kim HJ, Kwon S, Nam SH, Jung JW, Kang M, Ryu J, Kim JE, Cheong JG, Cho CY, Kim S, Song DG, Kim YN, Kim TY, Jung MK, Lee KM, Pack CG, Lee JW. Dynamic and coordinated single-molecular interactions at TM4SF5-enriched microdomains guide invasive behaviors in 2- and 3-dimensional environments. FASEB J 2017; 31:1461-1481. [PMID: 28073834 DOI: 10.1096/fj.201600944rr] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 12/12/2016] [Indexed: 11/11/2022]
Abstract
Membrane proteins sense extracellular cues and transduce intracellular signaling to coordinate directionality and speed during cellular migration. They are often localized to specific regions, as with lipid rafts or tetraspanin-enriched microdomains; however, the dynamic interactions of tetraspanins with diverse receptors within tetraspanin-enriched microdomains on cellular surfaces remain largely unexplored. Here, we investigated effects of tetraspan(in) TM4SF5 (transmembrane 4 L6 family member 5)-enriched microdomains (T5ERMs) on the directionality of cell migration. Physical association of TM4SF5 with epidermal growth factor receptor (EGFR) and integrin α5 was visualized by live fluorescence cross-correlation spectroscopy and higher-resolution microscopy at the leading edge of migratory cells, presumably forming TM4SF5-enriched microdomains. Whereas TM4SF5 and EGFR colocalized at the migrating leading region more than at the rear, TM4SF5 and integrin α5 colocalized evenly throughout cells. Cholesterol depletion and disruption in TM4SF5 post-translational modifications, including N-glycosylation and palmitoylation, altered TM4SF5 interactions and cellular localization, which led to less cellular migration speed and directionality in 2- or 3-dimensional conditions. TM4SF5 controlled directional cell migration and invasion, and importantly, these TM4SF5 functions were dependent on cholesterol, TM4SF5 post-translational modifications, and EGFR and integrin α5 activity. Altogether, we showed that TM4SF5 dynamically interacted with EGFR and integrin α5 in migratory cells to control directionality and invasion.-Kim, H.-J., Kwon, S., Nam, S. H., Jung, J. W., Kang, M., Ryu, J., Kim, J. E., Cheong, J.-G., Cho, C. Y., Kim, S., Song, D.-G., Kim, Y.-N., Kim, T. Y., Jung, M.-K., Lee, K.-M., Pack, C.-G., Lee, J. W. Dynamic and coordinated single-molecular interactions at TM4SF5-enriched microdomains guide invasive behaviors in 2- and 3-dimensional environments.
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Affiliation(s)
- Hye-Jin Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Sojung Kwon
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Seo Hee Nam
- Interdisciplinary Program in Genetic Engineering, Seoul National University, Seoul, South Korea
| | - Jae Woo Jung
- Interdisciplinary Program in Genetic Engineering, Seoul National University, Seoul, South Korea
| | - Minkyung Kang
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Jihye Ryu
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Ji Eon Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Jin-Gyu Cheong
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Chang Yun Cho
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Somi Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Dae-Geun Song
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | | | - Tai Young Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Min-Kyo Jung
- Department of Convergence Medicine, University of Ulsan College of Medicine and Asan Institute for Life Sciences, Asan Medical Center, Seoul, South Korea
| | - Kyung-Min Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Chan-Gi Pack
- Department of Convergence Medicine, University of Ulsan College of Medicine and Asan Institute for Life Sciences, Asan Medical Center, Seoul, South Korea
| | - Jung Weon Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea; .,Interdisciplinary Program in Genetic Engineering, Seoul National University, Seoul, South Korea
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Lee JW. Transmembrane 4 L Six Family Member 5 (TM4SF5)-Mediated Epithelial-Mesenchymal Transition in Liver Diseases. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2015; 319:141-63. [PMID: 26404468 DOI: 10.1016/bs.ircmb.2015.06.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The membrane protein TM4SF5, a member of the transmembrane 4L six family, forms a tetraspanin-enriched microdomain (TEM) on the cell surface, where many different membrane proteins and receptors form a massive protein-protein complex to regulate cellular functions including transdifferentiation, migration, and invasion. We recently reported that TM4SF5 causes epithelial-mesenchymal transition (EMT), eventually contributing to aberrant multilayer cellular growth, drug resistance, enhanced migration, invasion, its circulation in the blood, tumor initiation for successful metastasis, and muscle development in zebrafish. In this review, I summarize the information on the role of TM4SF5 in EMT-related functions at TM4SF5-enriched microdomain (T5EM) on cell surface, where proteins such as TM4SF5, CD151, CD44, integrins, and epidermal growth factor receptor (EGFR) can form numerous protein complexes. TM4SF5-mediated EMT contributes to diverse cellular functions, leading to fibrotic phenotypes and initiating and maintaining tumors in primary and/or metastatic regions, in addition to its role in muscle development in zebrafish. Anti-TM4SF5 strategies for addressing the protein networks can lead to regulation of the fibrotic, tumorigenic, and tumor-maintaining functions of TM4SF5-positive hepatic cells. This review is for us to (re)consider the antifibrotic or antitumorigenic (i.e., anti-EMT-related diseases) strategies of dealing with protein networks that would be involved in cross-talks to regulate various cellular functions during TM4SF5-dependent progression from fibrotic to cancerous hepatic cells.
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Affiliation(s)
- Jung Weon Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Tumor Microenvironment Global Core Research Center, Medicinal Bioconvergence Research Center, College of Pharmacy, Seoul National University, Seoul, Korea.
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Abstract
Transmembrane 4 L six family member 5 (TM4SF5), as a membrane glycoprotein with 4 transmembrane domains, is similar to the tetraspanins in terms of membrane topology and plays important roles in tumorigenesis and tumor metastasis. Especially, TM4SF5 appears to form a massive protein-protein complex consisting of diverse membrane proteins and/or receptors in addition to cytosolic signaling molecules to regulate their signaling activities during the pathological processes. TM4SF5 is shown to interact with integrins α2, α5, and β1, EGFR, IL6R, CD151, focal adhesion kinase (FAK), and c-Src. This review focuses on the significance of the interactions with regards to TM4SF5-positive tumorigenesis and metastasis.
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Affiliation(s)
- Jung Weon Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Tumor Microenvironment Global Core Research Center, Medicinal Bioconvergence Research Center, College of Pharmacy, Seoul National University, Seoul 151-742, Korea
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TM4SF5 suppression disturbs integrin α5-related signalling and muscle development in zebrafish. Biochem J 2014; 462:89-101. [DOI: 10.1042/bj20140177] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
TM4SF5 suppression in zebrafish causes abnormal trunk morphology with aberrant translocation and organization of muscle cells, via altered fibronectin/integrin α5/FAK/vinculin/actin signalling. TM4SF5 controls muscle differentiation via alteration in integrin α5-related signalling.
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Kang M, Ryu J, Lee D, Lee MS, Kim HJ, Nam SH, Song HE, Choi J, Lee GH, Kim TY, Lee H, Kim SJ, Ye SK, Kim S, Lee JW. Correlations between transmembrane 4 L6 family member 5 (TM4SF5), CD151, and CD63 in liver fibrotic phenotypes and hepatic migration and invasive capacities. PLoS One 2014; 9:e102817. [PMID: 25033048 PMCID: PMC4102591 DOI: 10.1371/journal.pone.0102817] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 06/21/2014] [Indexed: 12/21/2022] Open
Abstract
Transmembrane 4 L6 family member 5 (TM4SF5) is overexpressed during CCl4-mediated murine liver fibrosis and in human hepatocellular carcinomas. The tetraspanins form tetraspanin-enriched microdomains (TEMs) consisting of large membrane protein complexes on the cell surface. Thus, TM4SF5 may be involved in the signal coordination that controls liver malignancy. We investigated the relationship between TM4SF5-positive TEMs with liver fibrosis and tumorigenesis, using normal Chang hepatocytes that lack TM4SF5 expression and chronically TGFβ1-treated Chang cells that express TM4SF5. TM4SF5 expression is positively correlated with tumorigenic CD151 expression, but is negatively correlated with tumor-suppressive CD63 expression in mouse fibrotic and human hepatic carcinoma tissues, indicating cooperative roles of the tetraspanins in liver malignancies. Although CD151 did not control the expression of TM4SF5, TM4SF5 appeared to control the expression levels of CD151 and CD63. TM4SF5 interacted with CD151, and caused the internalization of CD63 from the cell surface into late lysosomal membranes, presumably leading to terminating the tumor-suppressive functions of CD63. TM4SF5 could overcome the tumorigenic effects of CD151, especially cell migration and extracellular matrix (ECM)-degradation. Taken together, TM4SF5 appears to play a role in liver malignancy by controlling the levels of tetraspanins on the cell surface, and could provide a promising therapeutic target for the treatment of liver malignancies.
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Affiliation(s)
- Minkyung Kang
- Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul, Republic of Korea
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Jihye Ryu
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Doohyung Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Mi-Sook Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Hye-Jin Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Seo Hee Nam
- Interdisciplinary Program in Genetic Engineering, Seoul National University, Seoul, Republic of Korea
| | - Haeng Eun Song
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Jungeun Choi
- Interdisciplinary Program in Genetic Engineering, Seoul National University, Seoul, Republic of Korea
| | - Gyu-Ho Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Tai Young Kim
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
| | - Hansoo Lee
- Department of Biological Sciences, Kangwon National University, Chunchon, Kangwon-do, Republic of Korea
| | - Sang Jick Kim
- Therapeutic Antibody Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejon, Republic of Korea
| | - Sang-Kyu Ye
- Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Semi Kim
- Department of Biological Sciences, Kangwon National University, Chunchon, Kangwon-do, Republic of Korea
| | - Jung Weon Lee
- Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul, Republic of Korea
- Interdisciplinary Program in Genetic Engineering, Seoul National University, Seoul, Republic of Korea
- * E-mail:
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Kim S, Lee JW. Membrane Proteins Involved in Epithelial-Mesenchymal Transition and Tumor Invasion: Studies on TMPRSS4 and TM4SF5. Genomics Inform 2014; 12:12-20. [PMID: 24748857 PMCID: PMC3990761 DOI: 10.5808/gi.2014.12.1.12] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 02/08/2014] [Accepted: 02/13/2014] [Indexed: 01/18/2023] Open
Abstract
The epithelial-mesenchymal transition (EMT) is one mechanism by which cells with mesenchymal features can be generated and is a fundamental event in morphogenesis. Recently, invasion and metastasis of cancer cells from the primary tumor are now thought to be initiated by the developmental process termed the EMT, whereby epithelial cells lose cell polarity and cell-cell interactions, and gain mesenchymal phenotypes with increased migratory and invasive properties. The EMT is believed to be an important step in metastasis and is implicated in cancer progression, although the influence of the EMT in clinical specimens has been debated. This review presents the recent results of two cell surface proteins, the functions and underlying mechanisms of which have recently begun to be demonstrated, as novel regulators of the molecular networks that induce the EMT and cancer progression.
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Affiliation(s)
- Semi Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Korea
| | - Jung Weon Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 151-742, Korea
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14
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Jung O, Choi S, Jang SB, Lee SA, Lim ST, Choi YJ, Kim HJ, Kim DH, Kwak TK, Kim H, Kang M, Lee MS, Park SY, Ryu J, Jeong D, Cheong HK, Kim HJ, Park KH, Lee BJ, Schlaepfer DD, Lee JW. Tetraspan TM4SF5-dependent direct activation of FAK and metastatic potential of hepatocarcinoma cells. J Cell Sci 2012; 125:5960-73. [PMID: 23077174 DOI: 10.1242/jcs.100586] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) plays an important role in cell migration, and focal adhesion kinase (FAK) activity is essential for homeostatic and pathological migration of adherent cells. However, it is unclear how TM4SF5 signaling mediates the activation of cellular migration machinery, and how FAK is activated during cell adhesion. Here, we showed that direct and adhesion-dependent binding of TM4SF5 to FAK causes a structural alteration that may release the inhibitory intramolecular interaction in FAK. In turn, this may activate FAK at the cell's leading edge, to promote migration/invasion and in vivo metastasis. TM4SF5-mediated FAK activation occurred during integrin-mediated cell adhesion. TM4SF5 was localized at the leading edge of the cells, together with FAK and actin-organizing molecules, indicating a signaling link between TM4SF5/FAK and actin reorganization machinery. Impaired interactions between TM4SF5 and FAK resulted in an attenuated FAK phosphorylation (the signaling link to actin organization machinery) and the metastatic potential. Our findings demonstrate that TM4SF5 directly binds to and activates FAK in an adhesion-dependent manner, to regulate cell migration and invasion, suggesting that TM4SF5 is a promising target in the treatment of metastatic cancer.
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Affiliation(s)
- Oisun Jung
- Interdisciplinary Program in Genetic Engineering, Research Institute of Pharmaceutical Sciences, Medicinal Bioconvergence Research Center, College of Pharmacy, Seoul National University, Seoul 151-742, Korea (Republic of)
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15
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Cross-talk between TGFβ1 and EGFR signalling pathways induces TM4SF5 expression and epithelial-mesenchymal transition. Biochem J 2012; 443:691-700. [PMID: 22292774 DOI: 10.1042/bj20111584] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The EMT (epithelial-mesenchymal transition) is involved in fibrosis and cancer, and is regulated by different signalling pathways mediated through soluble factors, actin reorganization and transcription factor actions. Because the tetraspan (also called tetraspanin) TM4SF5 (transmembrane 4 L6 family member 5) is highly expressed in hepatocellular carcinoma and induces EMT, understanding how TM4SF5 expression in hepatocytes is regulated is important. We explored the mechanisms that induce TM4SF5 expression and whether impaired signalling pathways for TM4SF5 expression inhibit the acquisition of mesenchymal cell features, using human and mouse normal hepatocytes. We found that TGFβ1 (transforming growth factor β1)-mediated Smad activation caused TM4SF5 expression and EMT, and activation of the EGFR [EGF (epidermal growth factor) receptor] pathway. Inhibition of EGFR activity following TGFβ1 treatment abolished acquisition of EMT, suggesting a link from Smads to EGFR for TM4SF5 expression. Further, TGFβ1-mediated EGFR activation and TM4SF5 expression were abolished by EGFR suppression or extracellular EGF depletion. Smad overexpression mediated EGFR activation and TM4SF5 expression in the absence of serum, and EGFR kinase inactivation or EGF depletion abolished Smad-overexpression-induced TM4SF5 and mesenchymal cell marker expression. Inhibition of Smad, EGFR or TM4SF5 using Smad7 or small compounds also blocked TM4SF5 expression and/or EMT. These results indicate that TGFβ1- and growth factor-mediated signalling activities mediate TM4SF5 expression leading to acquisition of mesenchymal cell features, suggesting that TM4SF5 induction may be involved in the development of liver pathologies.
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Lee MS, Kim HP, Kim TY, Lee JW. Gefitinib resistance of cancer cells correlated with TM4SF5-mediated epithelial–mesenchymal transition. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2012; 1823:514-23. [DOI: 10.1016/j.bbamcr.2011.11.017] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2011] [Revised: 10/24/2011] [Accepted: 11/14/2011] [Indexed: 01/05/2023]
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17
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JNK signaling activity regulates cell–cell adhesions via TM4SF5-mediated p27Kip1 phosphorylation. Cancer Lett 2012; 314:198-205. [DOI: 10.1016/j.canlet.2011.09.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Revised: 09/14/2011] [Accepted: 09/23/2011] [Indexed: 01/09/2023]
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Anderson KR, Singer RA, Balderes DA, Hernandez-Lagunas L, Johnson CW, Artinger KB, Sussel L. The L6 domain tetraspanin Tm4sf4 regulates endocrine pancreas differentiation and directed cell migration. Development 2011; 138:3213-24. [PMID: 21750032 DOI: 10.1242/dev.058693] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The homeodomain transcription factor Nkx2.2 is essential for pancreatic development and islet cell type differentiation. We have identified Tm4sf4, an L6 domain tetraspanin family member, as a transcriptional target of Nkx2.2 that is greatly upregulated during pancreas development in Nkx2.2(-/-) mice. Tetraspanins and L6 domain proteins recruit other membrane receptors to form active signaling centers that coordinate processes such as cell adhesion, migration and differentiation. In this study, we determined that Tm4sf4 is localized to the ductal epithelial compartment and is prominent in the Ngn3(+) islet progenitor cells. We also established that pancreatic tm4sf4 expression and regulation by Nkx2.2 is conserved during zebrafish development. Loss-of-function studies in zebrafish revealed that tm4sf4 inhibits α and β cell specification, but is necessary for ε cell fates. Thus, Tm4sf4 functional output opposes that of Nkx2.2. Further investigation of how Tm4sf4 functions at the cellular level in vitro showed that Tm4sf4 inhibits Rho-activated cell migration and actin organization in a ROCK-independent fashion. We propose that the primary role of Nkx2.2 is to inhibit Tm4sf4 in endocrine progenitor cells, allowing for delamination, migration and/or appropriate cell fate decisions. Identification of a role for Tm4sf4 during endocrine differentiation provides insight into islet progenitor cell behaviors and potential targetable regenerative mechanisms.
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Affiliation(s)
- Keith R Anderson
- Molecular Biology Program, University of Colorado Denver, Aurora, CO 80045, USA
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19
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Katsori AM, Hadjipavlou-Litina D. Recent progress in therapeutic applications of chalcones. Expert Opin Ther Pat 2011; 21:1575-96. [PMID: 21711087 DOI: 10.1517/13543776.2011.596529] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Chalcones are a group of plant-derived polyphenolic compounds belonging to the flavonoids family that possess a wide variety of cytoprotective and modulatory functions, which may have therapeutic potential for multiple diseases. Their physicochemical properties seem to define the extent of their biological activity. AREAS COVERED A comprehensive synopsis of recent patent literature (2005 - 2011) describing chalcones and their derivatives on selected activities (e.g., anti-inflammatory, antimitotic, cytotoxic, antioxidant, anti-infection) is provided in this paper. Synthesis, combinatorial techniques, biological evaluation in vitro/in vivo, and new biological assays are discussed. In addition to selected biological data, a wide range of pharmaceutical applications and pharmaceutical compositions are also summarized. EXPERT OPINION Several natural and synthetic chalcones and their derivatives appear as promising anti-inflammatory and anticancer activities. Their clinical evaluation will be critical to assess their therapeutic utility. Those for which the mechanism of action is well defined can serve as lead compounds for the design of new, more promising molecules.
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Affiliation(s)
- Anna-Maria Katsori
- Aristotle University of Thessaloniki, School of Pharmacy, Department of Pharmaceutical Chemistry, Thessaloniki 54124, Greece
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20
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Lee SA, Kim TY, Kwak TK, Kim H, Kim S, Lee HJ, Kim SH, Park KH, Kim HJ, Cho M, Lee JW. Transmembrane 4 L six family member 5 (TM4SF5) enhances migration and invasion of hepatocytes for effective metastasis. J Cell Biochem 2011; 111:59-66. [PMID: 20506553 DOI: 10.1002/jcb.22662] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Overexpression of transmembrane 4 L six family member 5 (TM4SF5), a four-transmembrane L6 family member, causes aberrant cell proliferation and angiogenesis, but the roles of TM4SF5 in migration, invasion, and tumor metastasis remain unknown. Using in vitro hepatocarcinoma cells that ectopically or endogenously express TM4SF5 and in vivo mouse systems, roles of TM4SF5 in metastatic potentials were examined. We found that TM4SF5 expression facilitated migration, invadopodia formation, MMP activation, invasion, and eventually lung metastasis in nude mice, but suppression of TM4SF5 with its shRNA blocked the effects. Altogether, TM4SF5-mediated migration and invasion suggest that TM4SF5 may be therapeutically targeted to deal with TM4SF5-mediated hepatocellular cancers.
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Affiliation(s)
- Sin-Ae Lee
- Cancer Research Institute, Seoul National University, Seoul 110-799, Korea
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21
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TM4SF5 accelerates G1/S phase progression via cytosolic p27Kip1 expression and RhoA activity. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2010; 1803:975-82. [DOI: 10.1016/j.bbamcr.2010.04.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Revised: 03/31/2010] [Accepted: 04/05/2010] [Indexed: 11/23/2022]
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22
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Sadej R, Romanska H, Kavanagh D, Baldwin G, Takahashi T, Kalia N, Berditchevski F. Tetraspanin CD151 regulates transforming growth factor beta signaling: implication in tumor metastasis. Cancer Res 2010; 70:6059-70. [PMID: 20570898 DOI: 10.1158/0008-5472.can-09-3497] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Tetraspanin CD151 is associated with laminin-binding integrins and controls tumor cell migration and invasion. By analyzing responses of breast cancer cells to various growth factors, we showed that depletion of CD151 specifically attenuates transforming growth factor beta1 (TGFbeta1)-induced scattering and proliferation of breast cancer cells in three-dimensional Matrigel. CD151-dependent cell scattering requires its association with either alpha3beta1 or alpha6 integrins, but it is independent of the recruitment of CD151 to tetraspanin-enriched microdomains. We also found that CD151 regulates the compartmentalization of TGF-beta type I receptor (TbetaRI/ALK-5) and specifically controls the TGFbeta1-induced activation of p38. In contrast, signaling leading to activation of Smad2/3, c-Akt, and Erk1/2 proteins was comparable in CD151(+) and CD151(-) cells. Attenuation of TGFbeta1-induced responses correlated with reduced retention in the lung vascular bed, inhibition of pneumocyte-induced scattering of breast cancer cells in three-dimensional Matrigel, and decrease in experimental metastasis to the lungs. These results identify CD151 as a positive regulator of TGFbeta1-initiated signaling and highlight the important role played by this tetraspanin in TGFbeta1-induced breast cancer metastasis.
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Affiliation(s)
- Rafal Sadej
- Department of Pathology, School of Cancer Sciences, The University of Birmingham, Edgbaston, Birmingham, United Kingdom
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Lee SA, Kim YM, Kwak TK, Kim HJ, Kim S, Ko W, Kim SH, Park KH, Kim HJ, Cho M, Lee JW. The extracellular loop 2 of TM4SF5 inhibits integrin alpha2 on hepatocytes under collagen type I environment. Carcinogenesis 2009; 30:1872-9. [PMID: 19789264 DOI: 10.1093/carcin/bgp234] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Four-transmembrane L6 family member 5 (TM4SF5) and its homolog L6, a tumor antigen, form a four-transmembrane L6 family. TM4SF5 expression causes uncontrolled cell proliferation and angiogenesis. Although other genuine transmembrane 4 superfamily (TM4SF) members co-operate with integrins for cell migration, roles of TM4SF5 in the cellular spreading and migration are unknown. Using hepatocarcinoma cell clones that ectopically express TM4SF5, we found that cross talks via an extracellular interaction between TM4SF5 and integrin alpha2 in collagen type I environment inhibited integrin alpha2 functions such as spreading on and migration toward collagen I, which were recovered by suppression of TM4SF5 or structural disturbance of its second extracellular loop using a peptide or mutagenesis. Altogether, the observations suggest that TM4SF5 in hepatocytes negatively regulates integrin alpha2 function via an interaction between the extracellular loop 2 of TM4SF5 and integrin alpha2 during cell spreading on and migration through collagen I environment.
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Affiliation(s)
- Sin-Ae Lee
- Cancer Research Institute, College of Medicine, Cell Dynamics Research Center, Seoul, Korea
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Lee SA, Ryu HW, Kim YM, Choi S, Lee MJ, Kwak TK, Kim HJ, Cho M, Park KH, Lee JW. Blockade of four-transmembrane L6 family member 5 (TM4SF5)-mediated tumorigenicity in hepatocytes by a synthetic chalcone derivative. Hepatology 2009; 49:1316-25. [PMID: 19177595 DOI: 10.1002/hep.22777] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
UNLABELLED We previously reported that the four-transmembrane L6 family member 5 (TM4SF5) was highly expressed in hepatocarcinoma, induced morphological elongation and epithelial-mesenchymal transition, and caused abnormal cell growth in multilayers in vitro and tumor formation in vivo. In this study, we identified a synthetic compound, 4'-(p-toluenesulfonylamido)-4-hydroxychalcone (TSAHC) that antagonized both the TM4SF5-mediated multilayer growth and TM4SF5-enhanced migration/invasion. TSAHC treatment induced multilayer-growing cells to grow in monolayers, recovering contact inhibition without accompanying apoptosis, and inhibited chemotactic migration and invasion. Tumor formation in nude mice injected with TM4SF5-expressing cells and the growth of cells expressing endogenous TM4SF5, but not of TM4SF5-null cells, was suppressed by treatment with TSAHC, but not by treatment with its analogs. The structure-activity relationship indicated the significance of 4'-p-toluenesulfonylamido and 4-hydroxy groups for the anti-TM4SF5 effects of TSAHC. Point mutations of the putative N-glycosylation sites abolished the TM4SF5-specific TSAHC responsiveness. CONCLUSION These observations suggest that TM4SF5-enhanced tumorigenic proliferation and metastatic potential can be blocked by TSAHC, likely through targeting the extracellular region of TM4SF5, which is important for protein-protein interactions.
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Affiliation(s)
- Sin-Ae Lee
- Cancer Research Institute, College of Medicine, Cell Dynamics Research Center, Seoul National University, Seoul, Korea
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Oh MA, Choi S, Lee MJ, Choi MC, Lee SA, Ko W, Cance WG, Oh ES, Buday L, Kim SH, Lee JW. Specific tyrosine phosphorylation of focal adhesion kinase mediated by Fer tyrosine kinase in suspended hepatocytes. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2009; 1793:781-91. [PMID: 19339212 DOI: 10.1016/j.bbamcr.2009.01.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2008] [Revised: 01/03/2009] [Accepted: 01/23/2009] [Indexed: 11/26/2022]
Abstract
Cell adhesion to the extracellular matrix (ECM) can activate signaling via focal adhesion kinase (FAK) leading to dynamic regulation of cellular morphology. Mechanistic basis for the lack of effective intracellular signaling by non-attached epithelial cells is poorly understood. To examine whether signaling in suspended cells is regulated by Fer cytoplasmic tyrosine kinase, we investigated the effect of ectopic Fer expression on signaling in suspended or adherent hepatocytes. We found that ectopic Fer expression in Huh7 hepatocytes in suspension or on non-permissive poly-lysine caused significant phosphorylation of FAK Tyr577, Tyr861, or Tyr925, but not Tyr397 or Tyr576. Fer-mediated FAK phosphorylation in suspended cells was independent of c-Src activity or growth factor stimulation, but dependent of cortactin expression. Consistent with these results, complex formation between FAK, Fer, and cortactin was observed in suspended cells. The Fer-mediated effect correlated with multiple membrane protrusions, even on poly-lysine. Together, these observations suggest that Fer may allow a bypass of anchorage-dependency for intracellular signal transduction in hepatocytes.
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Affiliation(s)
- Min-A Oh
- Cancer Research Institute, Cell Dynamics Research Center, Department of Tumor Biology, College of Medicine, Seoul National University, 101, Daehangro, Jongno-gu, Seoul 110-799, Republic of Korea
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26
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Cooperation between integrin alpha5 and tetraspan TM4SF5 regulates VEGF-mediated angiogenic activity. Blood 2008; 113:1845-55. [PMID: 19036703 DOI: 10.1182/blood-2008-05-160671] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Tetraspan TM4SF5 is highly expressed in a diverse number of tumor types. Here we explore the mechanistic roles of TM4SF5 in angiogenesis. We found that TM4SF5 overexpression correlates with vascular endothelial growth factor (VEGF) expression in SNU449 hepatocytes and with vessel formation in clinical hepatocarcinoma samples. Conditioned media from TM4SF5-expressing cells enhanced viability and tube formation of primary human umbilical vein endothelial cells, and outgrowth of endothelial cells from aorta ring segments, which was abolished by treatment with an anti-VEGF antibody. TM4SF5 retained integrin alpha(5) on the cell surface for VEGF induction, and preincubation with anti-integrin alpha(5) antibody abolished TM4SF5-mediated VEGF expression and secretion. TM4SF5-mediated effects required integrin alpha(5), c-Src, and signal transducer and activator of transcription 3 (STAT3). In addition, tumors from nude mice injected with TM4SF5-expressing cells and from clinical human hepatocarcinoma tissues showed enhanced integrin alpha(5) expression, vessel formation, and signaling activity, which were inhibited by administration of anti-integrin alpha(5) or -VEGF antibody. This study suggests that TM4SF5 facilitates angiogenesis of neighboring endothelial cells through VEGF induction, mediated by cooperation between TM4SF5 and integrin alpha(5) of epithelial cells.
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Lee SA, Lee SY, Cho IH, Oh MA, Kang ES, Kim YB, Seo WD, Choi S, Nam JO, Tamamori-Adachi M, Kitajima S, Ye SK, Kim S, Hwang YJ, Kim IS, Park KH, Lee JW. Tetraspanin TM4SF5 mediates loss of contact inhibition through epithelial-mesenchymal transition in human hepatocarcinoma. J Clin Invest 2008; 118:1354-66. [PMID: 18357344 DOI: 10.1172/jci33768] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2007] [Accepted: 01/23/2008] [Indexed: 12/14/2022] Open
Abstract
The growth of normal cells is arrested when they come in contact with each other, a process known as contact inhibition. Contact inhibition is lost during tumorigenesis, resulting in uncontrolled cell growth. Here, we investigated the role of the tetraspanin transmembrane 4 superfamily member 5 (TM4SF5) in contact inhibition and tumorigenesis. We found that TM4SF5 was overexpressed in human hepatocarcinoma tissue. TM4SF5 expression in clinical samples and in human hepatocellular carcinoma cell lines correlated with enhanced p27Kip1 expression and cytosolic stabilization as well as morphological elongation mediated by RhoA inactivation. These TM4SF5-mediated effects resulted in epithelial-mesenchymal transition (EMT) via loss of E-cadherin expression. The consequence of this was aberrant cell growth, as assessed by S-phase transition in confluent conditions, anchorage-independent growth, and tumor formation in nude mice. The TM4SF5-mediated effects were abolished by suppressing the expression of either TM4SF5 or cytosolic p27Kip1, as well as by reconstituting the expression of E-cadherin. Our observations have revealed a role for TM4SF5 in causing uncontrolled growth of human hepatocarcinoma cells through EMT.
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Affiliation(s)
- Sin-Ae Lee
- Cancer Research Institute, College of Medicine, Seoul National University, Jongno-gu, Seoul, Republic of Korea
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28
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Muschel RJ, Gal A. Tetraspanin in oncogenic epithelial-mesenchymal transition. J Clin Invest 2008; 118:1347-50. [PMID: 18357345 DOI: 10.1172/jci35308] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Members of the L6 family of membrane proteins, a branch of the tetraspanin superfamily, are overexpressed in tumor cells from many types of cancers. However, direct evidence of their oncogenic activity has not been previously shown. In this issue of the JCI, Lee et al. demonstrate that overexpression of the tetraspanin superfamily member TM4SF5 in human hepatocellular carcinoma cells causes cellular phenotypic changes that resemble classical descriptions of epithelial-mesenchymal transition (EMT), with some unique aspects (see the related article beginning on page 1354). They also show that these TM4SF5-mediated effects trigger tumor formation when these cells are injected into mice. The study implicates TM4SF5, for the first time to our knowledge, in EMT oncogenic pathways of cancer progression.
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Affiliation(s)
- Ruth J Muschel
- Radiation Oncology and Biology, The Radiobiology Research Institute, University of Oxford, Oxford, United Kingdom.
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Choi S, Oh SR, Lee SA, Lee SY, Ahn K, Lee HK, Lee JW. Regulation of TM4SF5-mediated tumorigenesis through induction of cell detachment and death by tiarellic acid. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2008; 1783:1632-41. [PMID: 18501196 DOI: 10.1016/j.bbamcr.2008.04.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2007] [Revised: 04/10/2008] [Accepted: 04/15/2008] [Indexed: 01/28/2023]
Abstract
mRNA for four-transmembrane L6 family member 5 (TM4SF5), a homolog of tumor antigen L6, was previously shown to be highly expressed in diverse tumors. We recently found that human hepatocarcinoma tissues also overexpressed TM4SF5 protein, in comparison to normal liver tissues. We also found that tiarellic acid (TA) caused cell detachment-related apoptosis in cells expressing endogenous or stably-overexpressing TM4SF5. When cells expressing TM4SF5 were treated with TA, we observed reduced phosphorylation of focal adhesion kinase, paxillin, and p130Cas, but not c-Src. TA treatment also caused focal adhesion loss and reduced cell adhesion, and increased the numbers of floating cells and apoptotic cells. These effects were blocked by overexpression of focal adhesion molecules, suggesting that treatment with TA mediates anoikis of TM4SF5-expressing cells. However, TM4SF5-null cells were not affected by TA, indicating that these effects occur specifically in TM4SF5-positive cells. TA administration reduced tumor formation in nude mice injected with TM4SF5-expressing cells, presumably through increased apoptosis in TM4SF5-positive tumors. These observations indicate that TM4SF5-positive tumorigenesis can be inhibited by TA via induction of cell detachment-related apoptosis, and suggest that TA may be developed as a putative therapeutic reagent against TM4SF5-positive tumorigenesis.
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Affiliation(s)
- Suyong Choi
- Cancer Research Institute, College of Medicine, Seoul National University, Seoul 110-799, Korea
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Kim TY, Lee JW, Kim HP, Jong HS, Kim TY, Jung M, Bang YJ. DLC-1, a GTPase-activating protein for Rho, is associated with cell proliferation, morphology, and migration in human hepatocellular carcinoma. Biochem Biophys Res Commun 2007; 355:72-7. [PMID: 17292327 DOI: 10.1016/j.bbrc.2007.01.121] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2007] [Accepted: 01/19/2007] [Indexed: 12/21/2022]
Abstract
DLC-1 (deleted in liver cancer-1) is a tumor suppressor gene for hepatocellular carcinoma and other cancers. To characterize its functions, we constructed recombinant adenovirus encoding the wild-type DLC-1 and examined its effects on behaviors of a hepatocellular carcinoma cell line (SNU-368), which does not express DLC-1. Here, we found that restoration of DLC-1 expression in the SNU-368 cells caused an inhibition of cell proliferation with an increase of a subG1 population. Furthermore, DLC-1 overexpression induced disassembly of stress fibers and extensive membrane protrusions around cells on laminin-1. DLC-1 overexpression also inhibited cell migration and dephosphorylated focal adhesion proteins such as focal adhesion kinase (FAK), Cas (p130Cas; Crk-associated substrate), and paxillin. These observations suggest that DLC-1 plays important roles in signal transduction pathway regulating cell proliferation, cell morphology, and cell migration by affecting Rho family GTPases and focal adhesion proteins.
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Affiliation(s)
- Tai Young Kim
- National Research Laboratory for Cancer Epigenetics, Cancer Research Institute, Seoul National University College of Medicine, Seoul 110-744, Republic of Korea
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