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Author: Mustapha Kandouz Publisher: Springer ISBN: 9401773807 Category : Medical Languages : en Pages : 370
Book Description
Cells are by nature compelled to live in groups. They develop dependence over signaling cues received from their microenvironment, in particular from other cells, whether of their own “kind” or of a different type. Therefore, communicating with these cells is a critical aspect of their behavior and fate, as they live and die normally or as they undergo disease-related pathological changes, with dramatic repercussions. In this book, we have asked expert researchers in the field of Intercellular Communication in Cancer to provide chapters on different aspects of interaction between neighboring cells, in the context of cancer diseases. We have specifically focused our efforts on membrane-to-membrane contact-based rather than growth factors-mediated modes of intercellular communications. The contributing authors provide an extensive overview of their respective area of specialization, with an in-depth discussion of the molecular mechanisms of cell-cell interactions, the impact on tumor progression and response to therapies, as well as the cancer diagnostic value of this scientific information. This book aims to introduce essential aspects of the normal and pathological cellular fate and homeostasis to both scientists and clinicians, and also to provide established researchers with an update on the novelties and future directions this expanding field is witnessing.
Author: Mustapha Kandouz Publisher: Springer ISBN: 9401773807 Category : Medical Languages : en Pages : 370
Book Description
Cells are by nature compelled to live in groups. They develop dependence over signaling cues received from their microenvironment, in particular from other cells, whether of their own “kind” or of a different type. Therefore, communicating with these cells is a critical aspect of their behavior and fate, as they live and die normally or as they undergo disease-related pathological changes, with dramatic repercussions. In this book, we have asked expert researchers in the field of Intercellular Communication in Cancer to provide chapters on different aspects of interaction between neighboring cells, in the context of cancer diseases. We have specifically focused our efforts on membrane-to-membrane contact-based rather than growth factors-mediated modes of intercellular communications. The contributing authors provide an extensive overview of their respective area of specialization, with an in-depth discussion of the molecular mechanisms of cell-cell interactions, the impact on tumor progression and response to therapies, as well as the cancer diagnostic value of this scientific information. This book aims to introduce essential aspects of the normal and pathological cellular fate and homeostasis to both scientists and clinicians, and also to provide established researchers with an update on the novelties and future directions this expanding field is witnessing.
Author: Mustapha Kandouz Publisher: ISBN: 9789401773812 Category : Languages : en Pages :
Book Description
Cells are by nature compelled to live in groups. They develop dependence over signaling cues received from their microenvironment, in particular from other cells, whether of their own "kind" or of a different type. Therefore, communicating with these cells is a critical aspect of their behavior and fate, as they live and die normally or as they undergo disease-related pathological changes, with dramatic repercussions. In this book, we have asked expert researchers in the field of Intercellular Communication in Cancer to provide chapters on different aspects of interaction between neighboring cells, in the context of cancer diseases. We have specifically focused our efforts on membrane-to-membrane contact-based rather than growth factors-mediated modes of intercellular communications. The contributing authors provide an extensive overview of their respective area of specialization, with an in-depth discussion of the molecular mechanisms of cell-cell interactions, the impact on tumor progression and response to therapies, as well as the cancer diagnostic value of this scientific information. This book aims to introduce essential aspects of the normal and pathological cellular fate and homeostasis to both scientists and clinicians, and also to provide established researchers with an update on the novelties and future directions this expanding field is witnessing.
Author: Maksim Sinyuk Publisher: ISBN: Category : Languages : en Pages :
Book Description
To ensure proper coordination of normal tissue function, rapid intercellular communication is required between individual cells. Cells utilize adhesion complexes called gap junctions (GJs), specialized intercellular connections composed of connexin (Cx) proteins that allow direct transport of small molecules and ions between the cytoplasm of adjacent cells to communicate. GJ intercellular communication (GJIC) is an integral communication mechanism by which homeostasis is maintained to allow for precise cellular signaling as well as for the initiation and integration of signaling cascades and cellular function. However, connexin function in cancer biology remains poorly understood. To interrogate how connexins and GJIC contribute to tumorigenesis, I utilized cellular models of leukemia and ovarian cancer. These tumor types display common characteristics, including the need to engage in intercellular communication between individual cancer cells to drive proliferation and survival. To characterize communication between leukemia cancer cells, I employed preclinical in vitro models and measured GJ function through dye transfer assays. Clinically relevant GJ inhibitors, carbenoxolone (CBX) and 1-octanol, were utilized to uncouple the communicative capability of leukemia cells. A qRT-PCR screen identified Cx25 as a promising adjuvant therapeutic target in leukemia, and Cx25 but not Cx43 reduction via RNA interference decreased GJIC and sensitized cells to chemotherapy. In ovarian cancer, I sought to address how pharmacological inhibition of direct intercellular communication impacts tumor cell survival to serve as an additive novel therapeutic in both chemotherapy-sensitive and-resistant ovarian cancer. To validate that ovarian cancer cells are capable of coupling, I used transmission electron microscopy to directly visualize GJ-like structures between adjacent cells. I assessed dye transfer via surrogate cell-cell transfer assays and confirmed that ovarian cancer cells were capable of coupling and communication. To evaluate the consequence of blocking GJIC, I utilized a clinically relevant inhibitor with GJ disruption properties, mefloquine, and found that treatment reduced cisplatin- sensitive and-resistant ovarian cancer cell proliferation and increased apoptosis across all available models. These findings suggest that disruption of GJIC may be promising for both leukemia and ovarian cancer patients and demonstrate the means by which GJ-inhibiting strategies can be exploited for the development of novel anti-cancer therapies.
Author: Huang-Ge Zhang Publisher: Springer Science & Business Media ISBN: 1461436974 Category : Medical Languages : en Pages : 223
Book Description
In multicellular organisms, communication between cells involves secretion of proteins that bind to receptors on neighboring cells. While this has been well documented, another mode of intercellular communication has recently become the subject of increasing interest: the release of exosomes. In cancer, tumor exosomes are involved in various aspects of pathogenesis, including proliferation, immunosuppression, and metastasis. Given the ability of exosomes to export unneeded endogenous molecules from cells, these structures hold great potential as anticancer therapeutic agents. They are also being studied as prognostic markers for cancer.
Author: Walmor DeMello Publisher: Springer Science & Business Media ISBN: 1468422839 Category : Medical Languages : en Pages : 262
Book Description
Progress made in the last 20 years clearly indicates that the cell surface is an extremely dynamic structure involved in fundamental processes such as cell motility, innervation, and cell adhesion. Of particular interest is the finding that, in several tissues, the cell surface is differen tiated at the intercellular region, thereby providing communicating chan nels between apposing cells. Although our actual knowledge of the precise structures and mecha in the complex process of intercellular communication is still nisms involved scanty, evidence has been presented that ions and molecules diffuse from cell to cell, establishing a physiological continuum. Embryonic differentia tion, cell growth, neoplasia, electrical synchronization in nerve and mus cles, as well as immune response seem to be related to ceIl communication. In organizing this volume, it has been our intention to provide the reader with an actual review of the processes involved in intercellular communication in normal tissues as well as in neoplasia. We sincerely believe that the opinions and experiences described herein will be of help in establishing new perspectives for the future of this exciting new field of cell biology. We wish to thank all the colleagues who joined us in the organization of this volume, as well as Plenum Publishing Corporation for making its appearance possible.
Author: David M. Terrian Publisher: Springer Science & Business Media ISBN: 1592593569 Category : Medical Languages : en Pages : 330
Book Description
Cells respond to environmental cues through a complex and dynamic network of signaling pathways that normally maintain a critical balance between cellular proliferation, differentiation, senescence, and death. One current research challenge is to identify those aberrations in signal transd- tion that directly contribute to a loss of this division-limited equilibrium and the progression to malignant transformation. The study of cell-signaling m- ecules in this context is a central component of cancer research. From the knowledge of such targets, investigators have been able to productively advance many insightful hypotheses about how a particular cancer cell may misinterpret, or respond inappropriately to, growth regulatory cues in their environment. Despite these key insights, the rapidly evolving nature of cell signaling research in cancer has necessitated a continuous revision of these theoretical constructs and the updating of methods used in their study. One contemporary example of the evolution of this field is provided by an analysis of the Human Genome Project data, which reveal a previously unsuspected diversity in the multigene families encoding for most signaling pathway int- mediates. In assessing the usefulness of a particular methodological approach, therefore, we will need to keep in mind that there is a premium on those p- tocols that can be easily adapted for the analysis of multiple members within a gene family. Cancer Cell Signaling: Methods and Protocols brings together several such methods in cell signaling research that are scientifically grounded within the cancer biology field.
Author: David A. Frank Publisher: Springer Science & Business Media ISBN: 1402073402 Category : Medical Languages : en Pages : 358
Book Description
One of the most exciting areas of cancer research now is the development of agents which can target signal transduction pathways that are activated inappropriately in malignant cells. The understanding of the molecular abnormalities which distinguish malignant cells from their normal counterparts has grown tremendously. This volume summarizes the current research on the role that signal transduction pathways play in the pathogenesis of cancer and how this knowledge may be used to develop the next generation of more effective and less toxic anticancer agents. Series Editor comments: "The biologic behavior of both normal and cancer cells is determined by critical signal transduction pathways. This text provides a comprehensive review of the field. Leading investigators discuss key molecules that may prove to be important diagnostic and/or therapeutic targets."
Author: Publisher: ISBN: Category : Languages : en Pages : 260
Book Description
The establishment of a permissive tumor microenvironment is a key step for tumor progression and metastasis formation. Tumor cells are known for their ability to create such a favorable tumor niche by influencing the surrounding benign stroma cells through the secretion of cytokines or growth factors. Recently, there is increasing evidence that also extracellular vesicles (EV) released by the tumor cells are important means of intercellular communication. Therefore, we aimed to investigate their role in tumor-tumor and tumor-stroma crosstalk in human breast cancer. Human breast cancer cells...
Author: Mustapha Kandouz
Author: Mustapha Kandouz
Author: Mustapha Kandouz
Author: Maksim Sinyuk
Author: Huang-Ge Zhang
Author: Walmor DeMello
Author: David M. Terrian
Author: David A. Frank
Author: Nicolàs Palacio-Escat
Author: Alecsandru Ioan Baba
Author: