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Jin W. Regulation of Src Family Kinases during Colorectal Cancer Development and Its Clinical Implications. Cancers (Basel) 2020; 12:cancers12051339. [PMID: 32456226 PMCID: PMC7281431 DOI: 10.3390/cancers12051339] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 12/11/2022] Open
Abstract
Src family kinases (SFKs) are non-receptor kinases that play a critical role in the pathogenesis of colorectal cancer (CRC). The expression and activity of SFKs are upregulated in patients with CRC. Activation of SFKs promotes CRC cell proliferation, metastases to other organs and chemoresistance, as well as the formation of cancer stem cells (CSCs). The enhanced expression level of Src is associated with decreased survival in patients with CRC. Src-mediated regulation of CRC progression involves various membrane receptors, modulators, and suppressors, which regulate Src activation and its downstream targets through various mechanisms. This review provides an overview of the current understanding of the correlations between Src and CRC progression, with a special focus on cancer cell proliferation, invasion, metastasis and chemoresistance, and formation of CSCs. Additionally, this review discusses preclinical and clinical strategies to improve the therapeutic efficacy of drugs targeting Src for treating patients with CRC.
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Affiliation(s)
- Wook Jin
- Laboratory of Molecular Disease and Cell Regulation, Department of Biochemistry, School of Medicine, Gachon University, Incheon 406-840, Korea
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Inkielewicz-Stepniak I, Tajber L, Behan G, Zhang H, Radomski MW, Medina C, Santos-Martinez MJ. The Role of Mucin in the Toxicological Impact of Polystyrene Nanoparticles. MATERIALS 2018; 11:ma11050724. [PMID: 29751544 PMCID: PMC5978101 DOI: 10.3390/ma11050724] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 04/19/2018] [Accepted: 05/01/2018] [Indexed: 12/12/2022]
Abstract
The development of novel oral drug delivery systems is an expanding area of research and both new approaches for improving their efficacy and the investigation of their potential toxicological effect are crucial and should be performed in parallel. Polystyrene nanoparticles (NPs) have been used for the production of diagnostic and therapeutic nanosystems, are widely used in food packaging, and have also served as models for investigating NPs interactions with biological systems. The mucous gel layer that covers the epithelium of the gastrointestinal system is a complex barrier-exchange system that it is mainly constituted by mucin and it constitutes the first physical barrier encountered after ingestion. In this study, we aimed to investigate the effect of polystyrene NPs on mucin and its potential role during NP–cell interactions. For this purpose, we evaluated the interaction of polystyrene NPs with mucin in dispersion by dynamic light scattering and with a deposited layer of mucin using a quartz crystal microbalance with dissipation technology. Next, we measured cell viability and the apoptotic state of three enterocyte-like cell lines that differ in their ability to produce mucin, after their exposure to the NPs. Positive charged NPs showed the ability to strongly interact and aggregate mucin in our model. Positive NPs affected cell viability and induced apoptosis in all cell lines independently of their ability of produce mucin.
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Affiliation(s)
| | - Lidia Tajber
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, the University of Dublin, Dublin 2, Ireland.
| | - Gavin Behan
- Center for Research on Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Dublin 2, Ireland.
| | - Hongzhou Zhang
- Center for Research on Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Dublin 2, Ireland.
| | - Marek W Radomski
- College of Medicine, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada.
| | - Carlos Medina
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, the University of Dublin, Dublin 2, Ireland.
- Trinity Biomedical Sciences Institute, Trinity College Dublin, the University of Dublin, Dublin 2, Ireland.
| | - Maria J Santos-Martinez
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, the University of Dublin, Dublin 2, Ireland.
- Trinity Biomedical Sciences Institute, Trinity College Dublin, the University of Dublin, Dublin 2, Ireland.
- School of Medicine, Trinity College Dublin, the University of Dublin, Dublin 2, Ireland.
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Caswell D, Jaggi S, Axis J, Amsler K. src family kinases regulate renal epithelial paracellular permeability barrier through an occludin-independent mechanism. J Cell Physiol 2013; 228:1210-20. [PMID: 23129414 DOI: 10.1002/jcp.24274] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 10/19/2012] [Indexed: 01/26/2023]
Abstract
Paracellular permeability is mediated by the epithelial cell tight junction. Studies in intestinal and other epithelia have suggested that the activity of src family kinases (SFKs) increases epithelial paracellular permeability through its action on the tight junction protein, occludin, but the involvement of SFKs and occludin in regulation of renal epithelial paracellular permeability is unclear. In this study, the role of SFKs in regulation of renal epithelial paracellular permeability and the involvement of occludin protein in this regulatory event was examined in two renal epithelial cell lines, LLC-PK(1) (proximal tubule-like) and MDCK (distal tubule-like). The effect of broad spectrum SFK inhibitors on paracellular permeability of calcein and fluorescein-dextran3000 were examined. SFK inhibitor treatment increased paracellular movement of both compounds in both renal epithelial cell lines. The SFK inhibitor effect was concentration-dependent and, at low concentrations, was not associated with cell damage/death. Response to SFK inhibitors was acquired progressively after cell populations attained confluence suggesting maturation of the regulatory mechanism. Increased paracellular permeability was not associated with dramatic changes in total cell content of occludin protein, its partitioning between detergent-soluble and -insoluble fractions, or its subcellular localization. Further, the SFK-induced increase in paracellular permeability was unaffected by either occludin protein overexpression or occludin protein knockdown. These results demonstrate that SFK activity decreases paracellular permeability of renal epithelial cells, as opposed to its effect in intestinal epithelial cells, and that this regulation is not mediated by occludin protein.
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Affiliation(s)
- Devin Caswell
- Department of Biomedical Sciences, New York College of Osteopathic Medicine of New York Institute of Technology, Old Westbury, NY, USA
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Sancier F, Dumont A, Sirvent A, Paquay de Plater L, Edmonds T, David G, Jan M, de Montrion C, Cogé F, Léonce S, Burbridge M, Bruno A, Boutin JA, Lockhart B, Roche S, Cruzalegui F. Specific oncogenic activity of the Src-family tyrosine kinase c-Yes in colon carcinoma cells. PLoS One 2011; 6:e17237. [PMID: 21390316 PMCID: PMC3044743 DOI: 10.1371/journal.pone.0017237] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2010] [Accepted: 01/23/2011] [Indexed: 11/25/2022] Open
Abstract
c-Yes, a member of the Src tyrosine kinase family, is found highly activated in colon carcinoma but its importance relative to c-Src has remained unclear. Here we show that, in HT29 colon carcinoma cells, silencing of c-Yes, but not of c-Src, selectively leads to an increase of cell clustering associated with a localisation of β-catenin at cell membranes and a reduction of expression of β-catenin target genes. c-Yes silencing induced an increase in apoptosis, inhibition of growth in soft-agar and in mouse xenografts, inhibition of cell migration and loss of the capacity to generate liver metastases in mice. Re-introduction of c-Yes, but not c -Src, restores transforming properties of c-Yes depleted cells. Moreover, we found that c-Yes kinase activity is required for its role in β-catenin localisation and growth in soft agar, whereas kinase activity is dispensable for its role in cell migration. We conclude that c-Yes regulates specific oncogenic signalling pathways important for colon cancer progression that is not shared with c-Src.
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Affiliation(s)
| | - Aurélie Dumont
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | - Audrey Sirvent
- Equipe labellisée LA LIGUE 2009, Centre de Recherche de Biochimie Macromoléculaire, UMR5237 Centre National de la Recherche Scientifique et Université de Montpellier, Montpellier, France
| | | | - Thomas Edmonds
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | | | - Michel Jan
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | | | - Francis Cogé
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | | | | | - Alain Bruno
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | - Jean A. Boutin
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | - Brian Lockhart
- Institut de Recherches Servier, Croissy-sur-Seine, France
| | - Serge Roche
- Equipe labellisée LA LIGUE 2009, Centre de Recherche de Biochimie Macromoléculaire, UMR5237 Centre National de la Recherche Scientifique et Université de Montpellier, Montpellier, France
- * E-mail: (FC); (SR)
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Zheng K, Laurence JS, Kuczera K, Verkhivker G, Middaugh CR, Siahaan TJ. Characterization of multiple stable conformers of the EC5 domain of E-cadherin and the interaction of EC5 with E-cadherin peptides. Chem Biol Drug Des 2009; 73:584-98. [PMID: 19635050 DOI: 10.1111/j.1747-0285.2009.00818.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The objectives of this work were to express the EC5 domain of E-cadherin and determine its structural characteristics as well as to evaluate the binding properties of HAV and BLG4 peptides to EC5 using spectroscopic methods. Homophilic interactions of E-cadherins are responsible for cell-cell adhesion in the adherens junctions of the biological barriers (i.e. intestinal mucosa and blood-brain barriers). The EC5 domain of E-cadherin has an important role in T-cell adhesion to intestinal mucosa via alpha(E)beta(7) integrin-E-cadherin interactions. In this study, the expressed EC5 has a high thermal stability (T(m) = 64.3 degrees C); it also has two stable conformations at room temperature, which convert to one conformation at approximately 54.5 degrees C. NMR and FTIR showed that HAV and BLG4 peptides bind to EC5. HSQC-NMR showed that either Asn or Gln of EC5 was involved in the interactions with HAV and BLG4 peptides. EC5 underwent a conformational change upon interaction with the HAV and BLG4 peptides. Finally, the binding properties of both peptides were modeled by docking experiments, and the results suggest that Asn-46 and Asn-75 of EC5 could be involved during the interaction with the peptides and that the Ser and Trp residues of the HAV and BLG4 peptides, respectively, were important for binding to EC5.
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Affiliation(s)
- Kai Zheng
- Department of Pharmaceutical Chemistry, The University of Kansas, Lawrence, KS 66047, USA
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Drug development against metastasis-related genes and their pathways: a rationale for cancer therapy. Biochim Biophys Acta Rev Cancer 2008; 1786:87-104. [PMID: 18692117 DOI: 10.1016/j.bbcan.2008.07.002] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2007] [Revised: 03/27/2008] [Accepted: 07/10/2008] [Indexed: 12/18/2022]
Abstract
It is well recognized that the majority of cancer related deaths is caused by metastatic diseases. Therefore, there is an urgent need for the development of therapeutic intervention specifically targeted to the metastatic process. In the last decade, significant progress has been made in this research field, and many new concepts have emerged that shed light on the molecular mechanism of metastasis cascade which is often portrayed as a succession of six distinct steps; localized invasion, intravasation, translocation, extravasation, micrometastasis and colonization. Successful metastasis is dependent on the balance and complex interplay of both the metastasis promoters and suppressors in each step. Therefore, the basic strategy of our interventions is aimed at either blocking the promoters or potentiating the suppressors in this disease process. Toward this goal, various kinds of antibodies and small molecules have been designed. These include agents that block the ligand-recepter interaction of metastasis promoters (HGF/c-Met), antagonize the metastasis-promoting enzymes (AMF, uPA and MMP) and inhibit the transcriptional activity of metastasis promoter (beta-Catenin). On the other hand, the intriguing roles of metastasis suppressors and their signal pathways have been extensively studied and various attempts have been made to potentiate these factors. Small molecules have been developed to restore the expression or mimic the function of metastasis-suppressor genes such as NM23, E-cadherin, Kiss-1, MKK4 and NDRG1, and some of them are under clinical trials. This review summarizes our current understanding of the molecular pathway of tumor metastasis and discusses strategies and recent development of anti-metastatic drugs.
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