Cellular Mechanisms Of Tumor Cell Invasion
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Cellular Mechanisms Of Tumor Cell Invasion
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Author : Alanna E. Sedgwick
language : en
Publisher:
Release Date : 2013
Cellular Mechanisms Of Tumor Cell Invasion written by Alanna E. Sedgwick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Molecular Mechanisms Of Cancer
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Author : Georg F. Weber
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-09-12
Molecular Mechanisms Of Cancer written by Georg F. Weber and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-12 with Medical categories.
This book describes molecular processes whose deregulation is important in the formation of tumors. The material is developed from basic cell signaling pathways to their roles in the clinical manifestation of specific cancers. Topics covered include molecular events intrinsic to tumor cells (leading to growth deregulation, extended lifespan, and the ability to invade surrounding tissue), protective mechanisms that prevent transformation (including DNA repair and epigenetic regulation), tumor-host interactions (with the endocrine system, the immune system, and blood vessel formation), and the underlying molecular defects of individual cancers.
Cancer Metastasis Molecular And Cellular Mechanisms And Clinical Intervention
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Author : Wen G. Jiang
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-11
Cancer Metastasis Molecular And Cellular Mechanisms And Clinical Intervention written by Wen G. Jiang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-11 with Medical categories.
This book covers the molecular and cellular aspects of cancer metastasis, and discusses the clinical aspect of micro- and macro-metastases, which result in the death of the majority of patients with cancer. The current edition attempts to examine the current status of the basic scientific and clinical research in the area, and is a very useful reference for clinicians, oncologists, and biologists. It is intended for undergraduates as well as postgraduates in the area of medicine, oncology, and cancer biology.
Chapter Analysis Of Breast Cancer Cell Invasion Using An Organotypic Culture System From Book 3d Cell Culture Methods And Protocols
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Author : Romana E. Ranftl
language : en
Publisher:
Release Date : 2017
Chapter Analysis Of Breast Cancer Cell Invasion Using An Organotypic Culture System From Book 3d Cell Culture Methods And Protocols written by Romana E. Ranftl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Metastasis is the main cause of cancer patient mortality. Local tumor invasion is a key step in metastatic dissemination whereby cancer cells dislodge from primary tumors, migrate through the peritumoral stroma and reach the circulation. This is a highly dynamic process occurring in three dimensions that involves interactions between tumor, stromal cells, and the extracellular matrix. Here we describe the organotypic culture system and its utility to study breast cancer cell invasion induced by cancer-associated fibroblasts. This is a three-dimensional model that reproduces the biochemical and physiological properties of real tissue and allows for investigating the molecular and cellular mechanisms involving tumor and its microenvironment, and their contribution to cancer cell invasion. This system provides a robust, accurate, and reproducible method for measuring cancer cell invasion and represents a valuable tool to improve the mechanistic understanding of the initial steps in metastasis.
Mechanisms Of Invasion And Metastasis
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Author : Marc M. Mareel
language : en
Publisher: CRC Press
Release Date : 1991-04-23
Mechanisms Of Invasion And Metastasis written by Marc M. Mareel and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-04-23 with Medical categories.
This book covers important biological, immunological, and molecular information essential for understanding the rationale and results of experiments and clinical observations on cell-cell and cell substrate adhesion; hydrolytic activities, cell motility; immunological and other host elements of the host-tumor ecosystem (at different sites of the metastic process); genetic and epigenetic elements of the acquisition and the expression of invasive phenotypes. 38 tables and 60 computer-drawn figures provide comprehensive overviews, and a methodological chapter emphasizing the differences and similarities between assays and their relevance for natural situations has also been included. Clinical and experimental cancer researchers, as well as as post-graduate students interested in cancer research, will find this book to be an indispensable reference resource.
Cell Invasion
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Author : Jyrki Heino
language : en
Publisher: CRC Press
Release Date : 2002-08-01
Cell Invasion written by Jyrki Heino and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-08-01 with Science categories.
Provides an overview of cell invasion. Topics include information on the cellular matrix, cell surface integrins, matrix metalloproteinases and proteinases, and the interplay between protein families.
Molecular Mechanisms Of Cancer Cell Invasion During Metastasis
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Author : Charles Vincent Rajadurai
language : en
Publisher:
Release Date : 2015
Molecular Mechanisms Of Cancer Cell Invasion During Metastasis written by Charles Vincent Rajadurai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
"ABSTRACTThe Met receptor tyrosine kinase (RTK) and its ligand hepatocyte growth factor (HGF) are potent regulators of epithelial remodeling, dispersal and motility. As such, Met/HGF signaling plays crucial roles in wound healing in the adult and epithelial motility during embryogenesis. In cancer, Met/HGF signaling is often deregulated, and elevated Met activity is associated with increased cancer cell invasion and aggressive tumors with poor patient prognosis. Although the capacity of invasive carcinoma cells to form actin-rich extra cellular matrix (ECM)-remodeling protrusions called invadopodia, has emerged as a major mechanism of cancer cell invasion, prior to this thesis, it was not known whether Met promotes invadopodia formation, and if so, the mechanism.I established that in Met-amplified cancer cells, invadopodia formation is dependent on Met signals and is a key mechanism for cell invasion. Moreover, in invasive carcinoma cells with basal invadopodia forming capacity, ligand, HGF, mediated activation of Met further enhances invadopodia formation. Hence, Met-induced signals may synergize with other oncogenic signals to potentiate cell invasion. Met coordinates invadopodia biogenesis primarily through the scaffold protein Gab1. We identified a novel interaction between Gab1 and cortactin and demonstrated that Gab1-cortactin interaction is essential for Met-dependent invadopodia formation. Met co-localizes with cortactin to invadopodia and promotes cortactin phosphorylation, thus driving localized cytoskeletal changes required for invasive membrane protrusion.Signals downstream from multiple RTKs and integrins are coupled to the actin cytoskeleton through, among other mechanisms, changes in membrane phosphatidylinositol composition. In agreement, PI3K, an enzyme whose activity is frequently elevated in cancers, has been identified as a prerequisite for invadopodia biogenesis. I have identified SHIP2, a 5' inositol phosphatase, as a critical regulator of invadopodia biogenesis. SHIP2 cooperates with PI3K to produce Ptdlns(3,4)P2, a phosphatidylinositol with a key regulatory role in invadopodia assembly. SHIP2 also recruits Mena, a member of the Ena/VASP family of actin elongation factors, which together with its phosphatase activity drive the maturation of nascent membrane protrusions into structures competent for ECM remodeling. I have established a direct interaction between SHIP2 and Met, and provide evidence to support that SHIP2 modulates Met signaling. SHIP2 plays key regulatory roles in clathrin-mediated endocytosis, cell polarity and cell motility, hence providing a rationale to investigate a role for Met-SHIP2 functional interaction in these cellular processes. Collectively, the work from this thesis identifies Met as a potent inducer of invadopodia-mediated ECM remodeling and cell invasion and identifies novel interactions involved in the regulation of the actin cytoskeleton (Gab1-cortactin, SHIP2-Mena and Met/Gab1-SHIP2). As actin cytoskeletal dynamics play a critical role in many vital cellular processes, additional biological functions for these interactions need to be explored." --
Cellular Immune Mechanisms And Tumor Dormancy
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Author : T. H. M. Stewart
language : en
Publisher: CRC Press
Release Date : 2017-07-28
Cellular Immune Mechanisms And Tumor Dormancy written by T. H. M. Stewart and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-28 with Medical categories.
Cellular Immune Mechanisms and Tumor Dormancy features the work of internationally recognized experts from various disciplines as they discuss the phenomenon of tumor dormancy in humans. Animal models are described in which cellular and molecular components of the immune control of dormancy have been identified, and the relevance of these models to human cancer patients is recognized. Data derived from studies of organ transplantation, adjuvant chemotherapy, radiotherapy, anaesthesia, surgery, and whole blood transfusion is presented to show the vulnerability of cellular mechanisms maintaining dormancy. The potential for increasing the incidence of dormancy in micro metastases is also shown for non-small cell lung cancer, lymphoma, and leukemia. Cellular Immune Mechanisms and Tumor Dormancy is an important reference volume that will benefit researchers from many disciplines, including immunologists, pathologists, surgeons, and clinicians
Cellular Automata For The Analysis Of Cancer Invasion
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Author : Haralampos Hatzikirou
language : en
Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG
Release Date : 2010-08
Cellular Automata For The Analysis Of Cancer Invasion written by Haralampos Hatzikirou and has been published by Sudwestdeutscher Verlag Fur Hochschulschriften AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08 with categories.
Cancer cells display characteristic traits acquired in a step-wise manner during carcinogenesis. Some of these traits are autonomous growth, induction of angiogen- esis, invasion and metastasis. In this thesis, the focus is on one of the latest stages of tumor progression, tumor invasion. Tumor invasion emerges from the combined effect of tumor cell-cell and cell-microenvironment interactions, which can be studied with the help of mathematical analysis. Cellular automata (CA) can be viewed as simple models of self-organizing complex systems in which collective behavior can emerge out of an ensemble of many interacting "simple" components. In particular, we focus on an important class of CA, the so-called lattice-gas cellular automata (LGCA). Here, the principal tools of mathematical analysis of LGCA are the mean-field approximation and the corresponding Lattice Boltzmann equation. The main objective of this thesis is to investigate important aspects of tumor invasion, under the microscope of mathematical modeling and analysis: -Impact of the tumor environment -Effect of tumor cell proliferation and migration -Mechanisms of tumor invasion emergence -Computing in vivo tumor invasion
Cell Migration
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Author : Frank Entschladen
language : en
Publisher: Karger Medical and Scientific Publishers
Release Date : 2010
Cell Migration written by Frank Entschladen and has been published by Karger Medical and Scientific Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Science categories.
Cell migration is a highly complex process which involves several compartments of the cell, including surface receptors, signalling elements and the cytoskeleton. It plays an essential role in embryogenesis, wound healing and inflammatory responses, and a dysregulation of cell movement can cause pathological states such as developmental defects, chronic inflammation, cancer invasion and metastasis. Covering extracellular regulatory signals and intracellular signal transduction pathways as well as the molecular mechanisms of migration in stem cells, leukocytes and tumor cells in the adult human organism, this book summarizes the current state of knowledge about cell migration. In the first part, the major aspects of different migratory cells in health and disease are covered, with special emphasis on T lymphocytes. The second part provides a comprehensive overview of the principal molecular mechanisms of migration such as adhesion receptors, cytoskeletal rearrangements and locomotor force generation, which, together, can be referred to as a cell's 'migrosome'.With contributions by eminent international scientists from different disciplines this book will serve as a valuable resource not only for researchers in cell biology, immunology and oncology, but also for clinicians who wish to learn more about the role of migratory processes in health and disease.