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Akçay EY, Tepeoğlu M, Atılgan AO, Yağcı S, Kılıç D, Özdemir BH. The prognostic significance of tumor budding and the expression of focal adhesion kinase and survivin in lung adenocarcinoma. Ann Diagn Pathol 2023; 66:152167. [PMID: 37329750 DOI: 10.1016/j.anndiagpath.2023.152167] [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: 04/25/2023] [Revised: 05/15/2023] [Accepted: 05/18/2023] [Indexed: 06/19/2023]
Abstract
OBJECTIVES Adenocarcinoma is the tumor group with the highest incidence among lung cancers with poor prognosis. Tumor budding (TB) is the migration of single tumor cells or small clusters of cells from the neoplastic epithelium to the invasive front of the tumor. Focal adhesion kinase (FAK) and survivin are considered as poor prognostic factors in several tumors. Hence, we investigated TB, FAK, and survivin expression in lung adenocarcinoma. METHODS The study included 103 cases of lung adenocarcinoma in the resection materials. In tumoral tissues; TB was counted and scored in one high-power field (HPF), as low if <5 in 1 HPF and high if ≥5 in 1 HPF. FAK and survivin were studied immunohistochemically. RESULTS The mean number of TB in 1 HPF is 3.96 ± 2.8. Low-grade TB was observed in 45 (43.7 %) and high-grade TB was observed in 58 (56.3 %) patients. There was a positive correlation between TB and pT stage (p = 0.017), clinical stage (p = 0.002), lymphovascular invasion (p = 0.001), and perineural invasion (p = 0.045). The 4-year survival rate in patients was 90 % in those with low-grade TB and 60 % in those with high-grade TB (p = 0.001). FAK and survivin expressions were significantly increased in tumors with high-grade TB (p < 0.05). CONCLUSION A significant correlation was found between the grade of TB and pT stage, clinical stage, lymphovascular and perineural invasion in lung adenocarcinoma. TB can be considered as a histological parameter showing poor prognosis. It is thought that high expression of FAK and survivin also affect the prognosis in these patients by increasing TB.
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Affiliation(s)
- Eda Yılmaz Akçay
- Department of Pathology, Baskent University, Faculty of Medicine, Bahcelievler, Ankara, Turkey
| | - Merih Tepeoğlu
- Department of Pathology, Baskent University, Faculty of Medicine, Bahcelievler, Ankara, Turkey.
| | - Alev Ok Atılgan
- Department of Pathology, Baskent University, Faculty of Medicine, Bahcelievler, Ankara, Turkey
| | - Sergen Yağcı
- Department of Pathology, Baskent University, Faculty of Medicine, Bahcelievler, Ankara, Turkey
| | - Dalokay Kılıç
- Department of Thoracic Surgery, Baskent University, Faculty of Medicine, Bahcelievler, Ankara, Turkey
| | - B Handan Özdemir
- Department of Pathology, Baskent University, Faculty of Medicine, Bahcelievler, Ankara, Turkey
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Zhang Z, Li J, Jiao S, Han G, Zhu J, Liu T. Functional and clinical characteristics of focal adhesion kinases in cancer progression. Front Cell Dev Biol 2022; 10:1040311. [PMID: 36407100 PMCID: PMC9666724 DOI: 10.3389/fcell.2022.1040311] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 10/18/2022] [Indexed: 11/07/2022] Open
Abstract
Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase and an adaptor protein that primarily regulates adhesion signaling and cell migration. FAK promotes cell survival in response to stress. Increasing evidence has shown that at the pathological level, FAK is highly expressed in multiple tumors in several systems (including lung, liver, gastric, and colorectal cancers) and correlates with tumor aggressiveness and patient prognosis. At the molecular level, FAK promotes tumor progression mainly by altering survival signals, invasive capacity, epithelial-mesenchymal transition, the tumor microenvironment, the Warburg effect, and stemness of tumor cells. Many effective drugs have been developed based on the comprehensive role of FAK in tumor cells. In addition, its potential as a tumor marker cannot be ignored. Here, we discuss the pathological and pre-clinical evidence of the role of FAK in cancer development; we hope that these findings will assist in FAK-based clinical studies.
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Affiliation(s)
- Zhaoyu Zhang
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Jinlong Li
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Simin Jiao
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Guangda Han
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Jiaming Zhu
- Department of Surgical Oncology and General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Tianzhou Liu
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, Jilin, China
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Aboubakar Nana F, Hoton D, Ambroise J, Lecocq M, Vanderputten M, Sibille Y, Vanaudenaerde B, Pilette C, Bouzin C, Ocak S. Increased Expression and Activation of FAK in Small-Cell Lung Cancer Compared to Non-Small-Cell Lung Cancer. Cancers (Basel) 2019; 11:cancers11101526. [PMID: 31658694 PMCID: PMC6827365 DOI: 10.3390/cancers11101526] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 10/02/2019] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Focal adhesion kinase (FAK) plays a crucial role in cancer development and progression. FAK is overexpressed and/or activated and associated with poor prognosis in various malignancies. However, in lung cancer, activated FAK expression and its prognostic value are unknown. METHODS FAK and activated FAK (phospho-FAK Y397) expressions were analyzed by multiplex immunofluorescence staining in formalin-fixed paraffin-embedded tissues from 95 non-small-cell lung cancer (NSCLC) and 105 small-cell lung cancer (SCLC) patients, and 37 healthy donors. The FAK staining score was defined as the percentage (%) of FAK-stained tumor area multiplied by (×) FAK mean intensity and phospho-FAK staining score as the (% of phospho-FAK-stained area of low intensity × 1) + (% of phospho-FAK-stained area of medium intensity × 2) + (% of the phospho-FAK-stained area of high intensity × 3). FAK and phospho-FAK staining scores were compared between normal, NSCLC, and SCLC tissues. They were also tested for correlations with patient characteristics and clinical outcomes. RESULTS The median follow-up time after the first treatment was 42.5 months and 6.4 months for NSCLC and SCLC patients, respectively. FAK and phospho-FAK staining scores were significantly higher in lung cancer than in normal lung and significantly higher in SCLC compared to NSCLC tissues (p < 0.01). Moreover, the ratio between phospho-FAK and FAK staining scores was significantly higher in SCLC than in NSCLC tissues (p < 0.01). However, FAK and activated FAK expression in lung cancer did not correlate with recurrence-free and overall survival in NSCLC and SCLC patients. CONCLUSIONS Total FAK and activated FAK expressions are significantly higher in lung cancer than in normal lung, and significantly higher in SCLC compared to NSCLC, but are not prognostic biomarkers in this study.
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Affiliation(s)
- Frank Aboubakar Nana
- Pole of Pneumology, ENT, and Dermatology (PNEU), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), 1200 Brussels, Belgium.
- Division of Pneumology, Cliniques Universitaires St-Luc, UCLouvain, 1200 Brussels, Belgium.
| | - Delphine Hoton
- Department of Pathology, Cliniques Universitaires Saint-Luc, UCLouvain, 1200 Brussels, Belgium.
| | - Jérôme Ambroise
- Centre de Technologies Moléculaires Appliquées, IREC, UCLouvain, 1200 Brussels, Belgium.
| | - Marylène Lecocq
- Pole of Pneumology, ENT, and Dermatology (PNEU), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), 1200 Brussels, Belgium.
| | - Marie Vanderputten
- Pole of Pneumology, ENT, and Dermatology (PNEU), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), 1200 Brussels, Belgium.
| | - Yves Sibille
- Pole of Pneumology, ENT, and Dermatology (PNEU), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), 1200 Brussels, Belgium.
- Division of Pneumology, CHU UCL Namur (Godinne Site), UCLouvain, 5530 Yvoir, Belgium.
| | - Bart Vanaudenaerde
- Lung Transplant Unit, Division of Respiratory Disease, Department of Clinical and Experimental Medicine, Katholieke Universiteit Leuven, 3000 Leuven, Belgium.
| | - Charles Pilette
- Pole of Pneumology, ENT, and Dermatology (PNEU), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), 1200 Brussels, Belgium.
- Division of Pneumology, Cliniques Universitaires St-Luc, UCLouvain, 1200 Brussels, Belgium.
| | | | - Sebahat Ocak
- Pole of Pneumology, ENT, and Dermatology (PNEU), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), 1200 Brussels, Belgium.
- Division of Pneumology, CHU UCL Namur (Godinne Site), UCLouvain, 5530 Yvoir, Belgium.
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Marlowe T, Alvarado C, Rivera A, Lenzo F, Nott R, Bondugji D, Montoya J, Hurley A, Kaplan M, Capaldi A, Cance W. Development of a High-Throughput Fluorescence Polarization Assay to Detect Inhibitors of the FAK-Paxillin Interaction. SLAS DISCOVERY 2019; 25:21-32. [PMID: 31513463 DOI: 10.1177/2472555219874313] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Focal adhesion kinase (FAK) is a promising cancer drug target due to its massive overexpression in multiple solid tumors and its critical role in the integration of signals that control proliferation, invasion, apoptosis, and metastasis. Previous FAK drug discovery and high-throughput screening have exclusively focused on the identification of inhibitors that target the kinase domain of FAK. Because FAK is both a kinase and scaffolding protein, the development of novel screening assays that detect inhibitors of FAK protein-protein interactions remains a critical need. In this report, we describe the development of a high-throughput fluorescence polarization (FP) screening assay that measures the interactions between FAK and paxillin, a focal adhesion-associated protein. We designed a tetramethylrhodamine (TAMRA)-tagged paxillin peptide based on the paxillin LD2 motif that binds to the focal adhesion targeting (FAT) domain with significant dynamic range, specificity, variability, stability, and a Z'-factor suitable for high-throughput screening. In addition, we performed a pilot screen of 1593 compounds using this FP assay, showing its feasibility for high-throughput drug screening. Finally, we identified three compounds that show dose-dependent competition of FAT-paxillin binding. This assay represents the first described high-throughput screening assay for FAK scaffold inhibitors and can accelerate drug discovery efforts for this promising drug target.
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Affiliation(s)
- Timothy Marlowe
- University of Arizona Cancer Center, Phoenix, AZ, USA.,Interdisciplinary Oncology, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA.,Pharmacology and Toxicology, University of Arizona College of Pharmacy, Tucson, AZ, USA.,Molecular Discovery Core, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
| | | | - Andrew Rivera
- University of Arizona Cancer Center, Phoenix, AZ, USA.,Molecular Discovery Core, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
| | - Felicia Lenzo
- Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Rohini Nott
- University of Arizona Cancer Center, Phoenix, AZ, USA
| | - Dena Bondugji
- University of Arizona Cancer Center, Phoenix, AZ, USA.,Pharmacology and Toxicology, University of Arizona College of Pharmacy, Tucson, AZ, USA
| | - Justin Montoya
- Child Health, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
| | - Alana Hurley
- University of Arizona Cancer Center, Phoenix, AZ, USA
| | - Matt Kaplan
- Functional Genomics Core, University of Arizona College of Pharmacy, Tucson, AZ, USA
| | - Andrew Capaldi
- Functional Genomics Core, University of Arizona College of Pharmacy, Tucson, AZ, USA
| | - William Cance
- University of Arizona Cancer Center, Phoenix, AZ, USA.,Interdisciplinary Oncology, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA.,Pharmacology and Toxicology, University of Arizona College of Pharmacy, Tucson, AZ, USA
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Zhou B, Wang GZ, Wen ZS, Zhou YC, Huang YC, Chen Y, Zhou GB. Somatic Mutations and Splicing Variants of Focal Adhesion Kinase in Non–Small Cell Lung Cancer. J Natl Cancer Inst 2017; 110:4565750. [PMID: 29087503 DOI: 10.1093/jnci/djx157] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 06/30/2017] [Indexed: 12/17/2022] Open
Affiliation(s)
- Bo Zhou
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences and University of Chinese Academy of Sciences, Beijing, China
| | - Gui-Zhen Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences and University of Chinese Academy of Sciences, Beijing, China
| | - Zhe-Sheng Wen
- Department of Thoracic Surgery, the Cancer Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yong-Chun Zhou
- Department of Thoracic Surgery, the Third Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yun-Chao Huang
- Department of Thoracic Surgery, the Third Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Ying Chen
- School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Guang-Biao Zhou
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences and University of Chinese Academy of Sciences, Beijing, China
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Broecker F, Hardt C, Herwig R, Timmermann B, Kerick M, Wunderlich A, Schweiger MR, Borsig L, Heikenwalder M, Lehrach H, Moelling K. Transcriptional signature induced by a metastasis-promoting c-Src mutant in a human breast cell line. FEBS J 2016; 283:1669-88. [PMID: 26919036 DOI: 10.1111/febs.13694] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 01/20/2016] [Accepted: 02/23/2016] [Indexed: 01/06/2023]
Abstract
UNLABELLED Deletions at the C-terminus of the proto-oncogene protein c-Src kinase are found in the viral oncogene protein v-Src as well as in some advanced human colon cancers. They are associated with increased kinase activity and cellular invasiveness. Here, we analyzed the mRNA expression signature of a constitutively active C-terminal mutant of c-Src, c-Src(mt), in comparison with its wild-type protein, c-Src(wt), in the human non-transformed breast epithelial cell line MCF-10A. We demonstrated previously that the mutant altered migratory and metastatic properties. Genome-wide transcriptome analysis revealed that c-Src(mt) de-regulated the expression levels of approximately 430 mRNAs whose gene products are mainly involved in the cellular processes of migration and adhesion, apoptosis and protein synthesis. 82.9% of these genes have previously been linked to cellular migration, while the others play roles in RNA transport and splicing processes, for instance. Consistent with the transcriptome data, cells expressing c-Src(mt), but not those expressing c-Src(wt), showed the capacity to metastasize into the lungs of mice in vivo. The mRNA expression profile of c-Src(mt)-expressing cells shows significant overlap with that of various primary human tumor samples, possibly reflecting elevated Src activity in some cancerous cells. Expression of c-Src(mt) led to elevated migratory potential. We used this model system to analyze the transcriptional changes associated with an invasive cellular phenotype. These genes and pathways de-regulated by c-Src(mt) may provide suitable biomarkers or targets of therapeutic approaches for metastatic cells. DATABASE This project was submitted to the National Center for Biotechnology Information BioProject under ID PRJNA288540. The Illumina RNA-Seq reads are available in the National Center for Biotechnology Information Sequence Read Archive under study ID SRP060008 with accession numbers SRS977414 for MCF-10A cells, SRS977717 for mock cells, SRS978053 for c-Src(wt) cells and SRS978046 for c-Src(mt) cells.
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Affiliation(s)
- Felix Broecker
- Max Planck Institute for Molecular Genetics, Berlin, Germany.,University of Zurich, Switzerland
| | | | - Ralf Herwig
- Max Planck Institute for Molecular Genetics, Berlin, Germany
| | | | - Martin Kerick
- Max Planck Institute for Molecular Genetics, Berlin, Germany
| | | | | | - Lubor Borsig
- Institute of Physiology, Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland
| | - Mathias Heikenwalder
- Institute of Virology, Technische Universität München, Germany.,Institute of Virology, Helmholtz Zentrum Munich, Germany.,Department Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Hans Lehrach
- Max Planck Institute for Molecular Genetics, Berlin, Germany.,Dahlem Centre for Genome Research and Medical Systems Biology, Berlin, Germany.,Alacris Theranostics GmbH, Berlin, Germany
| | - Karin Moelling
- Max Planck Institute for Molecular Genetics, Berlin, Germany.,University of Zurich, Switzerland
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Spanjaard E, Smal I, Angelopoulos N, Verlaan I, Matov A, Meijering E, Wessels L, Bos H, de Rooij J. Quantitative imaging of focal adhesion dynamics and their regulation by HGF and Rap1 signaling. Exp Cell Res 2015; 330:382-397. [DOI: 10.1016/j.yexcr.2014.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 09/19/2014] [Accepted: 10/12/2014] [Indexed: 01/09/2023]
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Dy GK, Ylagan L, Pokharel S, Miller A, Brese E, Bshara W, Morrison C, Cance WG, Golubovskaya VM. The prognostic significance of focal adhesion kinase expression in stage I non-small-cell lung cancer. J Thorac Oncol 2014; 9:1278-84. [PMID: 25122425 PMCID: PMC4133746 DOI: 10.1097/jto.0000000000000248] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Focal adhesion kinase (FAK) plays a significant role in cancer cell survival signaling and is overexpressed in various malignancies, including lung cancer. Previous studies suggest that FAK overexpression is an independent factor predicting poor prognosis in non-small-cell lung cancer (NSCLC). The aim of this study is to confirm these findings specifically in stage I NSCLC. METHODS A retrospective tissue microarray (TMA) analysis of FAK protein expression by immunohistochemistry was performed in 157 surgically resected stage I NSCLC specimen and in the corresponding matched normal lung tissue. The FAK 4.47 monoclonal antibody was used for FAK immunostaining. The scoring system of triplicate tumor cores included intensity of staining plus extent of staining for a composite score that ranged from 0 to 6. The association between FAK score and survival was evaluated. RESULTS There were 103 stage IA and 54 stage IB patients, with mean follow-up of 5.5 years. Normal lung alveoli and interstitial tissue had mean FAK score of 0 (median score 0, range 0 to 2). Tumor samples had mean FAK score 3.1 (median score 3.5, range 0-6), with 57% of the samples having FAK score ≥ 3. Continuous FAK score was not associated with demographic data, tumor histology, or grade, nor survival in this cohort of stage I NSCLC patients. CONCLUSIONS FAK is expressed in more than 50% of stage I NSCLC lung cancer but not in normal lung alveoli and interstitial tissue. FAK expression is not associated with survival outcome in this North American cohort.
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Affiliation(s)
- Grace K. Dy
- Department of Medicine, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - Lourdes Ylagan
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - Saraswati Pokharel
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - Austin Miller
- Department of Biostatistics, Roswell Park Cancer Institute, Buffalo, NY, 14263USA
| | - Elizabeth Brese
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - Wiam Bshara
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - Carl Morrison
- Department of Pathology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - William G. Cance
- Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
| | - Vita M. Golubovskaya
- Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, 14263 USA
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Golubovskaya VM. Focal adhesion kinase as a cancer therapy target. Anticancer Agents Med Chem 2011; 10:735-41. [PMID: 21214510 DOI: 10.2174/187152010794728648] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Accepted: 10/07/2010] [Indexed: 11/22/2022]
Abstract
Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that resides at the sites of focal adhesions. The 125 kDa FAK protein is encoded by the FAK gene located on human chromosome 8q24. Structurally, FAK consists of an amino-terminal regulatory FERM domain, a central catalytic kinase domain, and a carboxy-terminal focal adhesion targeting domain. FAK has been shown to be an important mediator of cell adhesion, growth, proliferation, survival, angiogenesis and migration, all of which are often disrupted in cancer cells. Normal tissues have low expression of FAK, while primary and metastatic tumors significantly overexpress this protein. This review summarizes expression of FAK by immunohistochemical staining in different tumor types and presents several FAK inhibition therapy approaches.
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Affiliation(s)
- Vita M Golubovskaya
- Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA.
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10
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Abstract
Cellular interactions with extracellular matrix play essential roles in tumor initiation, progression and metastasis. Focal adhesion kinase (FAK) is a cytoplasmic tyrosine kinase identified as a key mediator of signaling by integrins, a major family of cell surface receptors for extracellular matrix, as well as other receptors in both normal and cancer cells. FAK is activated by integrins through disruption of an auto-inhibitory intra-molecular interaction between its kinase domain and the amino terminal FERM domain. The activated FAK forms a binary complex with Src family kinases which can phosphorylate other substrates and trigger multiple intracellular signaling pathways to regulate various cellular functions. Subcellular localization of FAK in focal adhesions is essential for FAK signaling, which is another distinguishing feature of the kinase. Integrin-FAK signaling has been shown to activate a number of signaling pathways through phosphorylation and protein-protein interactions to promote tumorigenesis. FAK also plays a prominent role in tumor progression and metastasis through its regulation of both cancer cells and their microenvironments including cancer cell migration, invasion, epithelial to mesenchymal transition, and angiogenesis. More recently, a role for FAK in tumor initiation and progression has been demonstrated directly using xenograft as well as conditional knockout mouse models. In agreement with these experimental data, overexpression and activation of FAK have been found in a variety of human cancers. A number of small molecule inhibitors for FAK have been developed and in various phases of testing for cancer treatments. Overall, the intensive research on FAK signaling in cancer have yielded a wealth of information on this pivotal kinase and these and future studies are leading to potentially novel therapies for cancer.
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11
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Golubovskaya VM, Cance WG. Focal adhesion kinase and p53 signaling in cancer cells. INTERNATIONAL REVIEW OF CYTOLOGY 2007; 263:103-53. [PMID: 17725966 DOI: 10.1016/s0074-7696(07)63003-4] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The progression of human cancer is characterized by a process of tumor cell motility, invasion, and metastasis to distant sites, requiring the cancer cells to be able to survive the apoptotic pressures of anchorage-independent conditions. One of the critical tyrosine kinases linked to these processes of tumor invasion and survival is the focal adhesion kinase (FAK). FAK was first isolated from human tumors, and FAK mRNA was found to be upregulated in invasive and metastatic human breast and colon cancer samples. Recently, the FAK promoter was cloned, and it has been found to contain p53-binding sites. p53 inhibits FAK transcription, and recent data show direct binding of FAK and p53 proteins in vitro and in vivo. The structure of FAK and p53, proteins interacting with FAK, and the role of FAK in tumorigenesis and FAK-p53-related therapy are reviewed. This review focuses on FAK signal transduction pathways, particularly on FAK and p53 signaling, revealing a new paradigm in cell biology, linking signaling from the extracellular matrix to the nucleus.
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Affiliation(s)
- Vita M Golubovskaya
- Department of Surgery, University of Florida School of Medicine, University of Florida, Gainesville, Florida 32610, USA
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Wijnhoven BPL, Pignatelli M, Dinjens WNM, Tilanus HW. Reduced p120ctn expression correlates with poor survival in patients with adenocarcinoma of the gastroesophageal junction. J Surg Oncol 2005; 92:116-23. [PMID: 16231374 DOI: 10.1002/jso.20344] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND AND OBJECTIVES P120-catenin (p120ctn) is a member of the E-cadherin-catenin cell-cell adhesion complex. Impairment of one or more of the components of this complex is associated with tumorigenesis. The role of p120ctn in malignancy is not clear yet. We studied the in vivo expression and cellular localization of p120ctn in adenocarcinomas of the gastroesophageal junction. METHODS Immunohistochemical staining for p120ctn was performed on 96 tumor samples, 20 cases of Barretts metaplasia and 13 lymph node metastases. The relationship with pathological characteristics and patient survival was also assessed. RESULTS Loss of normal surface p120ctn expression was found in 4/20 (20%) Barretts metaplasia, in 65/96 (68%) tumors, and 11/13 (85%) lymph node metastases. Nuclear immunoreactivity for p120ctn was seen in five tumors. Loss of normal expression of p120ctn was associated with a higher tumor grade (P < 0.0001) but not with pTNM-stage. Reduced expression of p120ctn was correlated with poor survival (P = 0.0002). Cox regression analysis showed that p120ctn is an independent prognostic marker. CONCLUSIONS Abnormal p120ctn expression is frequently seen in adenocarcinomas of the gastroesophageal junction, and may be a useful as a prognostic marker in these tumors.
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Kamai T, Yamanishi T, Shirataki H, Takagi K, Asami H, Ito Y, Yoshida KI. Overexpression of RhoA, Rac1, and Cdc42 GTPases is associated with progression in testicular cancer. Clin Cancer Res 2005; 10:4799-805. [PMID: 15269155 DOI: 10.1158/1078-0432.ccr-0436-03] [Citation(s) in RCA: 182] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The Rho family of GTPases are involved in actin cytoskeleton organization and associated with carcinogenesis and progression of human cancers. We investigated the roles of Rho family GTPases, prototypes RhoA, Rac1, and Cdc42, and the major downstream targets of RhoA, ROCK-I, and ROCK-II in testicular cancer. We quantified protein expression in paired tumor and nontumor samples from surgical specimens from 57 consecutive patients with testicular germ cell tumors using Western blotting. Protein expression of RhoA, ROCK-I, ROCK-II, Rac1, and Cdc42 was significantly higher in tumor tissue than in nontumor tissue (P < 0.0001). Expression of protein for RhoA, ROCK-I, ROCK-II, Rac1, and Cdc42 was greater in tumors of higher stages than lower stages (P < 0.0001, P < 0.001, P < 0.001, P < 0.0001, P < 0.0001, respectively). Within stage II nonseminoma (31 patients), protein levels of RhoA, ROCK-I, ROCK-II, Rac1, and Cdc42 in the primary tumor were lower in the group of 24 patients with no evidence of disease after therapy compared with 7 patients with disease that was refractory/recurrent (P < 0.05). Rho family GTPases may be involved in the progression of testicular germ cell tumors.
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Affiliation(s)
- Takao Kamai
- Department of Urology, Dokkyo University School of Medicine, Tochigi, Japan.
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Genetic and Molecular Coordinates of Neuroendocrine Lung Tumors, with Emphasis on Small-cell Lung Carcinomas. Mol Med 2002. [DOI: 10.1007/bf03402022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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15
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Gong Y, Hirano T, Kato Y, Yoshida K, Shou Y, Ohira T, Ikeda N, Ebihara Y, Kato H. Phosphorylated tyrosine-containing proteins in primary lung cancer correlates with proliferation and prognosis. Br J Cancer 2002; 86:1893-8. [PMID: 12085182 PMCID: PMC2375429 DOI: 10.1038/sj.bjc.6600327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2001] [Revised: 03/26/2002] [Accepted: 03/27/2002] [Indexed: 11/19/2022] Open
Abstract
To determine the usefulness of tyrosine phosphorylation in evaluating biological characteristics, we attempted to evaluate the relationship between the amount of phosphorylated tyrosine-containing proteins and clinicopathological factors, cell proliferation and outcome in non-small cell lung cancer. To evaluate phosphorylated tyrosine-containing proteins we used 96 surgically resected materials of non-small cell lung cancer and normal peripheral lung, while immunohistochemical evaluation was performed. Cell proliferating ability was evaluated using the labelling index of proliferating cell nuclear antigen-positive nuclear staining cells. There were statistically significant differences between the expression levels of phosphorylated tyrosine-containing proteins of normal and cancerous tissues (P<0.0001). Evaluations based on clinicopathological factors apart from histopathological differentiation, showed no statistically significant differences of phosphorylated tyrosine-containing proteins expression. However, phosphorylated tyrosine-containing proteins correlated with cell proliferation activity evaluated (P((Low, High))<0.0001; P((Low, Int)) <0.0001; P((Int, High))<0.0001). Furthermore, non-small cell lung cancer cases with high expression and intermediate expression of phosphorylated tyrosine-containing proteins had a significantly shorter disease-free postoperative survival than those with low expression of phosphorylated tyrosine-containing proteins using log-rank analysis (P((Low, Int)) <0.0028; P((Low, High))=0.0002). Furthermore, phosphorylated tyrosine-containing proteins expression level statistically contributed to disease-free survival in Cox's proportional hazard model. Therefore, phosphorylated tyrosine-containing proteins in non-small cell lung cancer tissues seem to reflect its biological malignancy, and this evaluation may be valuable for constructing the most appropriate therapeutic strategy.
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Affiliation(s)
- Y Gong
- Department of Surgery, Tokyo Medical University, 6-7 Nishishinjuko, Shinjuku-ku, Tokyo 160-0023, Japan
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16
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Zhang Y, Thant AA, Hiraiwa Y, Naito Y, Sein TT, Sohara Y, Matsuda S, Hamaguchi M. A role for focal adhesion kinase in hyluronan-dependent MMP-2 secretion in a human small-cell lung carcinoma cell line, QG90. Biochem Biophys Res Commun 2002; 290:1123-7. [PMID: 11798192 DOI: 10.1006/bbrc.2001.6321] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hyluronan (HA), a nonsulfated high-molecular mass glycoaminoglycan, has been assigned as a clinical marker for the progression of various tumors. We found that HA stimulation of QG90, a cell line derived from human small-cell lung carcinoma, activates the secretion of matrix metalloproteinase-2 (MMP-2) in a focal adhesion kinase (FAK)-dependent manner. HA stimulation of QG90 cells activated MMP-2 secretion in a time-dependent manner. Larger sizes of HA seemed to have higher activities than smaller size one in MMP-2 secretion. Under HA stimulation, tyrosine phosphorylation of cellular proteins including FAK was activated. By use of antisense oligonucleotide to FAK, we found that FAK signaling was required for the activation of MMP-2 secretion and for the sustained activation of MAP kinase by HA treatment. These results strongly suggest that FAK-MAPK signaling is involved, at least in part, in HA-dependent activation of MMP-2 secretion in QG90 cells.
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Affiliation(s)
- Yanying Zhang
- Laboratory of Molecular Pathogenesis, Nagoya University School of Medicine, Showaku, Nagoya, 466-8550, Japan
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17
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Abstract
BACKGROUND The E-cadherin-catenin complex plays a crucial role in epithelial cell-cell adhesion and in the maintenance of tissue architecture. Perturbation in the expression or function of this complex results in loss of intercellular adhesion, with possible consequent cell transformation and tumour progression. Recently, much progress has been made in understanding the interaction between the different components of this protein complex and how this cell-cell adhesion complex is modulated in cancer cells. METHODS This is an update of the role of the E-cadherin-catenin complex in human cancers. It emphasizes new features and the possible role of the complex in clinical practice, discussed in the light of 165 references obtained from the Medline database from 1995 to 1999. RESULTS More evidence is now appearing to suggest that disturbance in protein-protein interaction in the E-cadherin-catenin adhesion complex is one of the main events in the early and late steps of cancer development. An inverse correlation is found between expression of the E-cadherin-catenin complex and the invasive behaviour of tumour cells. Therefore, E-cadherin-catenin may become a significant prognostic marker for tumour behaviour. Besides its role in establishing tight cell-cell adhesion, beta- catenin plays a major role in cell signalling and promotion of neoplastic growth. This suggests its dual role as a tumour suppressor and as an oncogene in human cancers. CONCLUSION Recent developments show that the E-cadherin-catenin complex is more than a 'sticky molecular complex'. Further studies may yield greater insight into the early molecular interactions critical to the initiation and progression of tumours. This should aid the development of novel strategies for both prevention and treatment of cancer.
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Affiliation(s)
- B P Wijnhoven
- Departments of Surgery and Pathology, Erasmus University Medical Centre, Rotterdam, The Netherlands
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18
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Kuno Y, Kondo K, Iwata H, Senga T, Akiyama S, Ito K, Takagi H, Hamaguchi M. Tumor-specific activation of mitogen-activated protein kinase in human colorectal and gastric carcinoma tissues. Jpn J Cancer Res 1998; 89:903-9. [PMID: 9818025 PMCID: PMC5921942 DOI: 10.1111/j.1349-7006.1998.tb00647.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
To search for the signaling events in colorectal carcinoma relevant to its tumorigenesis, we investigated the activity of mitogen-activated protein kinase (MAPK) in human colorectal carcinoma tissues and paired normal tissues. Of 64 cases examined, approximately 75% (48 cases) showed tumor-specific activation of MAPK by in situ kinase renaturation assay, as well as in vitro kinase assay with immunoprecipitated MAPK. In addition, tumor-specific activation of MAPK was associated with the activation of MAPK kinase in the cases we examined. However, no clear correlation of MAPK activation with lymph node involvement, metastatic rate, stage, histological classification, age or sex was observed. These results suggest that the MAPK pathway is involved in colorectal tumor development, but its activation alone is not sufficient for malignant conversion. In contrast to colorectal carcinoma, gastric carcinoma tissues showed a lower rate of MAPK activation, suggesting that the signaling pathway activated in colorectal carcinoma tissues may differ in part from that of gastric carcinoma.
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Affiliation(s)
- Y Kuno
- Department of Surgery II, Nagoya University School of Medicine
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19
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Collares-Buzato CB, Jepson MA, Simmons NL, Hirst BH. Increased tyrosine phosphorylation causes redistribution of adherens junction and tight junction proteins and perturbs paracellular barrier function in MDCK epithelia. Eur J Cell Biol 1998; 76:85-92. [PMID: 9696347 DOI: 10.1016/s0171-9335(98)80020-4] [Citation(s) in RCA: 121] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Polarized monolayers of strain II Madin-Darby canine kidney cells (MDCK II) were treated with vanadate/H2O2, known inhibitors of protein tyrosine phosphatase activity. Vanadate/H2O2 treatment resulted in a rapid increase in paracellular permeability as revealed by decreased transepithelial resistance and increased permeability to inulin. These alterations in epithelial barrier function coincided with increased phosphotyrosine immunofluorescence in the vicinity of intercellular junctions and with redistribution of F-actin, the adherens junction protein E-cadherin and the tight junction protein ZO-1. The effects of vanadate/H2O2 on intercellular junction permeability and protein distribution were completely blocked by the specific protein tyrosine kinase (PTK) inhibitor tyrphostin 25 and partially inhibited by the alternative PTK inhibitor genistein. The relative potency of these two inhibitors in blocking the effects of vanadate/H2O2 on intercellular junctions correlated with their abilities to inhibit tyrosine phosphorylation. The potent ser/thr protein kinase inhibitor staurosporine had only a small influence on the vanadate/H2O2-induced increase in paracellular permeability and did not affect the observed redistribution of intercellular junction proteins or phosphotyrosine immunofluorescence. The relative potencies of these distinct protein kinase inhibitors in reversing the effects of vanadate/H2O2 indicate that these effects are directly related to tyrosine phosphorylation. In conclusion, our data provide evidence that enhanced tyrosine phosphorylation of intercellular junction proteins in MDCK epithelia increases paracellular permeability and can also induce prominent reorganization of the junctional complex.
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Affiliation(s)
- C B Collares-Buzato
- Department of Physiological Sciences, University of Newcastle upon Tyne, Medical School, UK.
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20
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Saini A, Seller Z, Davies D, Marshall JF, Hart IR. Activation status and function of the VLA-4 (alpha4beta1) integrin expressed on human melanoma cell lines. Int J Cancer 1997; 73:264-70. [PMID: 9335453 DOI: 10.1002/(sici)1097-0215(19971009)73:2<264::aid-ijc17>3.0.co;2-f] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We have examined the functional status of the VLA-4/alpha4beta1 integrin in a panel of human melanoma cell lines, focusing on the ability of cells expressing alpha4beta1 to mediate adhesion to the alpha4-specific ligands CS-1 peptide and VCAM-1. All melanoma cells expressing alpha4pbeta1 (8 of 10 lines examined) were capable of adhering to these specific ligands in adhesion assays, whereas 2 cell lines (HMB2 and VUP) which lacked surface alpha4 were unable to do so. Adherence of different melanoma cell lines to VCAM-1 was relatively uniform and not susceptible to upregulation with known integrin-activating factors, such as manganese ions, phorbol ester and activating monoclonal antibody (mAb) TS2/16. Cell adhesion to CS-1 peptide, however, varied according to cell surface receptor density and, in some cases, could be up-regulated by integrin-activating factors. Adhesion of SK23 cells to CS-1 peptide was increased by all 3 activating stimuli, whereas for all other melanoma cells an increase was obtained only by the use of TS2/16 mAb. Our data indicate not only an unusually low activation state of alpha4beta1 in SK23 cells but also heterogeneity in the activating capacity of the various stimuli. Moreover, a protein kinase C-dependent role in alpha4beta1 activity was suggested by adhesion assays carried out in the presence of the protein kinase C inhibitor calphostin C, which considerably reduced adhesion to CS-1 peptide.
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Affiliation(s)
- A Saini
- Richard Dimbleby Department of Cancer Research/ICRF Laboratory, St. Thomas' Hospital, London, UK
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Imaizumi M, Nishimura M, Takeuchi S, Murase M, Hamaguchi M. Role of tyrosine specific phosphorylation of cellular proteins, especially EGF receptor and p125FAK in human lung cancer cells. Lung Cancer 1997; 17:69-84. [PMID: 9194028 DOI: 10.1016/s0169-5002(97)00650-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
To clarify the role of tyrosine phosphorylation of cellular proteins in human lung cancer cells, phosphotyrosine (PTYR)-containing proteins in lung cancer cell lines and in paired tissues resected from cancerous and normal lungs were studied by immunoblotting with an anti-PTYR antibody. We found that the profiles of protein phosphorylation were very similar among those cell lines which had different histological features. The major PTYR-containing proteins (180-190 KDa, 120-130 KD, and 95-100 KDa) were detected in lung cancer cell lines. The expression of EGF receptor (EGF-r) (p185) and o-erb B2 protein, and tyrosine phosphorylation of p125FAK were examined in cancerous lung tissues and normal lung tissues. In surgical specimens, approximately half of the samples of lung cancer tissues showed clear elevation of tyrosine phosphorylation. In these cancerous tissues, no clear amplification of EGF-r and c-erb B2 protein expression was observed. However, elevation of tyrosine phosphorylation of p125FAK was observed in cancerous lung tissues but not in normal lung tissues, and its phosphorylation was closely correlated with the nodal involvement of cancer and disease-free survival time. These results suggested that the intracellular signaling pathway via tyrosine phosphorylation plays a role in the generation and immortalization of lung cancer, and assessment of tyrosine phosphorylation of cellular proteins. especially p125FAK, may be available clinically as a prognostic factor.
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Affiliation(s)
- M Imaizumi
- Department of Thoracic Surgery, Nagoya University School of Medicine, Japan
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