Download or read book Tumor Dormancy and Recurrence written by Yuzhuo Wang and published by Humana Press. This book was released on 2017-08-31 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume will be the first to provide a comprehensive description of tumor dormancy. It will define the clinical and biological aspects of this phenomenon, as well as the cellular and molecular mechanisms associated with tumor dormancy. Chapters will be authored by world-renewed experts who are conducting cutting-edge research in the field. A unique feature will be a conclusive paragraph detailing future development and foreseeable clinical applications at the end of each chapter. The volume will serve as a fundamental instrument for every researcher and clinician interested in the field of tumor dormancy as well as a means of disseminating stimulating concepts and prompting the development of innovative technological solutions.

Download or read book Tumor Dormancy Quiescence and Senescence Vol 3 written by M.A. Hayat and published by Springer. This book was released on 2014-09-12 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third volume in the series Tumor Dormancy, Quiescence, and Senescence discusses the role of tumor dormancy and senescence in a number of diseases, including breast cancer, ovarian cancer and leukemia. The contents are organized under five subheadings: General Applications, Role in Breast Cancer, Role in Ovarian Cancer, Role in Leukemia and Role in Cardiovascular Disease. The first section includes basic information on the definition of dormancy, how cells become senescent and what they do, along with an appraisal of the current state of research on dormancy. Section Two explores dormancy in breast cancer, including the progression of hormone-dependent mammary tumors after dormancy. Section Three details the resistance of Type II ovarian tumors, in which the resistant tumor cell population persists after chemotherapy in a state of dormancy, with recurrent tumors arising upon transformation of such dormant cells back to malignant growth. This section explains how lineage, histological subtypes and grade influence the differential response of ovarian cancer resistance to platinum drugs. The fourth section explores leukemia, discussing regulation of the promyelocytic leukemia protein and its role in premature senescence. The final section explores the role of senescence and autophagy in age-related cardiovascular diseases and the observation that autophagy seems to retard cardiac senescence. Like the two preceding volumes in the series, Volume 3 stands out for its comprehensive approach, its roster of some 26 expert contributors representing seven different countries and its up-to-date review of leading-edge technology and methods.

Download or read book Tumor Dormancy Quiescence and Senescence Volume 2 written by M.A. Hayat and published by Springer Science & Business Media. This book was released on 2013-11-29 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this second volume in the series exploring Tumor Dormancy, Quiescence, and Cellular Senescence, discussion is focused on the role of tumor dormancy in diseases such as breast cancer, melanoma, prostate cancer, liver cancer and lung cancer. M. A. Hayat, the series editor, writes in the preface that little is known of factors regulating the transition of residual cancer into a dormant state or the subsequent reinitiation of growth. A majority of us, he says, have in situ tumors that may remain dormant or may progress into a lethal form of cancer; the former are prevented from recruiting their own blood supply. Section I covers Molecular Mechanisms, with chapters on the role of NAE inhibitor MLN4924; oncogene-induced senescence; the role played by mitogen-activated protein kinase in the induction of cellular senescence; mechanisms of premature cell senescence and other topics. Section II examines Tumor and Cancer, discussing defects in chromatin structure and diseases; the role of fibrosis in tumor progression and the dormant to proliferative switch; the function of ING proteins in cancer and senescence and more. The final section is devoted to Stem Cells and Cancer Stem Cells, featuring chapters showing that senescent-derived pluripotent stem cells are able to redifferentiate into fully rejuvenated cells; that the transcription factor Gata2 regulates quiescence in haematopoietic stem and progenitor cells; and discussing dormancy and recurrence of cancer stem cells in bone. The contributors point out that the quiescent state regulates hematopoietic stem cells and muscle stem cells, and detail the role of kinase in the mediation of reversible quiescent state in a subset of ovarian, pancreatic, and colon cancers. Molecular mechanisms underlying stress-induced cellular senescence and accumulation of reactive oxygen species and induction of premature senescence are also presented. Discussion includes the important role of microRNAs in oxidative stress-induced apoptosis and senescence and the effect of microRNA as a modulator of cell proliferation in lung cancer. The book includes an explanation of the suppression of cellular senescence in glioblastoma brain tumor. Taking a broad and varied perspective, this volume was written by 70 contributors representing 11 countries.

Download or read book Cellular Immune Mechanisms and Tumor Dormancy written by T. H. M. Stewart and published by CRC Press. This book was released on 2017-07-28 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Revisiting Seed and Soil A New Approach to Target Hibernating Dormant Tumor Cells 2nd edition written by Dalit Barkan and published by Frontiers Media SA. This book was released on 2023-03-07 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metastasis is the major cause of mortality in cancer patients. Metastases can be present at the time of diagnosis or can occur years or decades after the removal of the primary tumor and treatment. This long latency in the manifestation of recurrent metastatic disease is explained clinically by the persistence of quiescent tumor cells that disseminated early in the course of the disease from the primary tumor to select distant organs. These residing disseminated tumor cells (DTCs) at distant organs lay dormant and asymptomatic until reawakened to form overt metastases. Importantly, the quiescent nature of these “hibernating” DTCs facilitates their resistance to conventional therapies that target actively dividing tumor cells. Therefore, unraveling the biology of dormancy and reactivation of the residing DTCs to life-threatening lesions is of utmost importance in order to develop new therapeutic strategies to prevent the recurrent metastatic disease from ever emerging or to better treat these recurrent cancers. The mechanisms underlying the biology of tumor dormancy and their reactivation to overt metastases are just beginning to emerge thanks to a growing appreciation of the potentially chronic nature of some cancers and the development of experimental model systems for their study. In this Research Topic, we will follow the journey of circulating tumor cells (CTCs) dispatching from the primary site until their successful lodging into a new and foreign site to become DTCs. We will explore the intrinsic mechanisms along with microenvironmental cues and niches that they encounter during their journey that may dictate their fate.

Download or read book Modeling Breast Cancer Dormancy and Recurrence Following Oncogenic Pathway Inhibition written by Jason R. Ruth and published by . This book was released on 2014 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breast cancer recurrence is the primary cause of mortality in breast cancer, and although advances have been made in the treatment of primary breast cancer, recurrent breast cancer remains uncurable. Targeted therapy has had a major impact on survival across multiple cancer types, including breast cancer, however patients who respond to targeted therapy ultimately relapse. Residual disease, the tumor cells that survive initial therapy, represent an attractive therapeutic target, however little is known about the biology of these cells. We use mouse models of breast cancer to investigate the phenotype of residual disease that survives targeted therapy, and to explore approaches to inhibit tumor recurrence. Residual disease exhibits cellular dormancy in models driven by distinct oncogenic pathways. Gene expression profiling reveals that residual tumor cells are enriched for a phenotype associated with normal and neoplastic stem-like cells, but are not enriched for tumor initiative cells. Interventions that inhibit inflammatory signaling inhibit tumor recurrence, however increasing inflammation promotes tumor recurrence. Inflammatory macrophages may be leukocytes that promote inflammation and drive recurrence in these models. Together, our findings present a more comprehensive picture of residual tumor cells surviving targeted therapy, and suggest possible therapeutic strategies for targeting residual disease that gives rise to cancer recurrence.

Download or read book Systems Biology of Tumor Dormancy written by Heiko Enderling and published by Springer Science & Business Media. This book was released on 2012-11-09 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is based on the Workshop on Systems Biology of Tumor Dormancy meeting, held July 25th to July 28th, 2011. The first annual CCSB workshop brought together biologists, clinicians, mathematicians, and computer scientists to discuss various aspects of tumor dormancy and develop novel mathematical/computational models with the keynote speakers. Specific topics included the angiogenic switch, immune system interactions, cancer stem cells and signaling.

Download or read book Treatment induced Breast Cancer Dormancy and Relapse written by Rebecca Caroline Keim and published by . This book was released on 2014 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: When breast tumor cells encounter stress due to cancer therapies, they may enter a dormant state, escaping from treatment-induced apoptosis. Dormant cells may eventually regain proliferative capabilities and cause recurrent metastatic disease, which is the leading cause of mortality in breast cancer patients. We sought to determine if a high dose of radiation therapy (RT) or combined chemo-immunotherapy, with and without the blockade of autophagy by chloroquine (CQ), could overcome treatment-induced tumor dormancy or relapse. We found that autophagy contributes in part to treatment-induced tumor dormancy. We also found that three therapeutic strategies were successful in inhibiting or preventing tumor relapse. These include: 18Gy/day RT, chemotherapy combined with the blockade of autophagy, and combined chemo-immunotherapy. Follow-up studies are needed to determine the feasibility of preventing tumor relapse by prolonging tumor dormancy versus eliminating dormant tumor cells.

Download or read book Tumor intrinsic Inflammatory Pathways Associated with Tumor Dormancy and Recurrence written by Savannah E. Butler and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The successful treatment of breast cancer is limited due to a fraction of tumor cells escaping drug-treatment by entering a dormant state, only to relapse years or decades later at distant sites. Host-driven chronic inflammatory cells such as M2 macrophages play an important role in tumorigenesis, but the role of tumor-intrinsic inflammatory signaling involved in tumor dormancy and recurrence is unknown. We sought to determine the role of tumor-intrinsic inflammatory pathways in mouse mammary carcinoma cells (MMC) treated with Adriamycin (ADR), a clinically relevant chemotherapeutic drug. We found that ADR-induced dormant tumor cells autonomously produced pro-inflammatory cytokines, in vitro. MMC treated with Chloroquine (CQ) prior to ADR treatment displayed a delay in relapse, or prolonging of dormancy, when compared to ADR-treated MMC. Additional gene array data showed predicated activation of NF-[kappa]B p65 in ADR-treated dormant MMC that eventually relapsed. These data suggest that the anti-inflammatory function of CQ led to prolonged dormancy. To test this, we investigated the role of inflammatory signaling pathways directly by shRNA-mediated knockdown and CRISPR-Cas9-mediated knockout of NF-[kappa]B p65 in MMC. We found that knockdown of NF-[kappa]B p65 resulted in fewer dormant cells after ADR treatment and reduced rate of relapse, in vitro. NF-[kappa]B p65 was also found to reduce the immunomodulatory effects of ADR, with shNF-[kappa]B p65 showing increased upregulation of neu upon ADR treatment. Additionally, we found NF-[kappa]B p65 to be associated with a higher infiltration of CD8+ T cells and anti-tumor T cell responses. Our findings suggest a dual role of tumor-intrinsic NF-[kappa]B p65 pathway, allowing for escape from drug treatment through dormancy which leads to relapse, but also for proper lymphocyte infiltration and subsequent anti-tumor activity.

Download or read book Tumor Dormancy Quiescence and Senescence Volume 1 written by M.A. Hayat and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: With a particular emphasis on tumor dormancy in breast, lung, prostate, and liver cancers, as well as in melanoma, this first volume of a new Springer series focuses on the interrelationship between biological processes of aging and tumors—both dormant and quiescent. With detail supplied by numerous international researchers at the forefront of cancer research, the book examines a host of differing aspects of the topic. Featured contributions analyze the role of the quiescent state in regulating hematopoietic and muscle stem cells. They also explore the mediation, by the kinase, in the reversible quiescent state of a subset of ovarian, pancreatic, and colon cancers. The book includes key research on the molecular mechanisms underlying stress-induced cellular senescence, in addition to those governing the accumulation of reactive oxygen species, and the induction of premature senescence. It also provides information on suppressing cellular senescence in the most common, and most aggressive malignant primary brain tumor in humans, glioblastoma multiforme. With comprehensive and cutting-edge information on therapeutic interventions and on the correct diagnosis of relevant neoplasms, and with numerous color illustrations, this is the most up-to-date assessment of current medical knowledge in this crucial area of medical research.

Download or read book Minimal Residual Disease and Circulating Tumor Cells in Breast Cancer written by Michail Ignatiadis and published by Springer Science & Business Media. This book was released on 2012-04-23 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important book provides up-to-date information on a series of topical issues relating to the approach to minimal residual disease in breast cancer patients. It first explains how the study of minimal residual disease and circulating and disseminated tumor cells (CTCs/DTCs) can assist in the understanding of breast cancer metastasis. A series of chapters then discuss the various technologies available for the detection and characterization of CTCs and DTCs, pinpointing their merits and limitations. Detailed consideration is given to the relevance of CTCs and DTCs, and their detection, to clinical research and practice. The role of other blood-based biomarkers is also addressed, and the closing chapters debate the challenges facing drug and biomarker co-development and the use of CTCs for companion diagnostic development. This book will be of interest and assistance to all who are engaged in the modern management of breast cancer.

Download or read book High throughput Platforms for Tumor Dormancy relapse and Biomolecule Binding Using Aminoglycoside derived Hydrogels written by Taraka Sai Pavan Grandhi and published by . This book was released on 2016 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relapse after tumor dormancy is one of the leading causes of cancer recurrence that ultimately leads to patient mortality. Upon relapse, cancer manifests as metastases that are linked to almost 90% cancer related deaths. Capture of the dormant and relapsed tumor phenotypes in high-throughput will allow for rapid targeted drug discovery, development and validation. Ablation of dormant cancer will not only completely remove the cancer disease, but also will prevent any future recurrence. A novel hydrogel, Amikagel, was developed by crosslinking of aminoglycoside amikacin with a polyethylene glycol crosslinker. Aminoglycosides contain abundant amount of easily conjugable groups such as amino and hydroxyl moieties that were crosslinked to generate the hydrogel. Cancer cells formed 3D spheroidal structures that underwent near complete dormancy on Amikagel high-throughput drug discovery platform. Due to their dormant status, conventional anticancer drugs such as mitoxantrone and docetaxel that target the actively dividing tumor phenotype were found to be ineffective. Hypothesis driven rational drug discovery approaches were used to identify novel pathways that could sensitize dormant cancer cells to death. Strategies were used to further accelerate the dormant cancer cell death to save time required for the therapeutic outcome.Amikagels properties were chemo-mechanically tunable and directly impacted the outcome of tumor dormancy or relapse. Exposure of dormant spheroids to weakly stiff and adhesive formulation of Amikagel resulted in significant relapse, mimicking the response to changes in extracellular matrix around dormant tumors. Relapsed cells showed significant differences in their metastatic potential compared to the cells that remained dormant after the induction of relapse. Further, the dissertation discusses the use of Amikagels as novel pDNA binding resins in microbead and monolithic formats for potential use in chromatographic purifications. High abundance of amino groups allowed their utilization as novel anion-exchange pDNA binding resins. This dissertation discusses Amikagel formulations for pDNA binding, metastatic cancer cell separation and novel drug discovery against tumor dormancy and relapse.

Download or read book Cancer Cell Dormancy written by Marco Montagner and published by Springer Nature. This book was released on with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Contribution of the ETS domain Transcription Factor EHF to Breast Cancer Dormancy and Recurrence written by Lauren M. Pferdehirt and published by . This book was released on 2015 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breast cancer is the most common cause of cancer-related death and is the most frequently diagnosed cancer in women worldwide. Mortality from breast cancer is principally due to tumor recurrence, which may be diagnosed up to 20 years after treatment of the primary tumor. Since relapse is a consequence of the persistence of residual tumor cells, identifying the mechanisms involved in tumor cell survival and escape from therapy is essential for the development of more effective strategies for improving patient outcomes. Using a genetically-engineered mouse model for breast cancer dormancy and recurrence, we now report that inhibition of HER2/neu signaling in primary tumors induces cellular senescence and that this process may serve as a barrier to tumor relapse. We find that the ETS-domain transcription factor Ehf is up-regulated following acute HER2/neu signaling inhibition and induces senescence in mouse mammary tumor cells. Notably, Ehf expression is lost in residual breast cancer cells that survive tumor regression, as well as in recurrent tumors. Analogous to its behavior in response to targeted down-regulation of the HER2/neu pathway, EHF is acutely up-regulated in human breast cancer cells following Adriamycin treatment, but down-regulated in tumor cells that survive neoadjuvant chemotherapy in breast cancer patients. Consistent with a model in which EHF down-regulation promotes tumor cell survival following therapy, low EHF expression in primary breast cancers is associated with a poor response to neoadjuvant chemotherapy and an increased risk of relapse in women with breast cancer. Collectively, our findings demonstrate that senescence is a conserved response to HER2/neu signaling inhibition in oncogene-addicted breast cancer cells and identify EHF as a potential regulator of HER2/neu inactivation-induced senescence and tumor cell survival following targeted therapy and chemotherapy.

Download or read book Investigating Cancer Cell Dormancy and Recurrence in the Bone Marrow Niche written by Jake Casson and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Human Cell Transformation written by Johng S. Rhim and published by Springer Nature. This book was released on 2019-10-01 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, part contributed volume, part proceedings, discusses state-of-the-art advances on human cell transformation in cell models for the study of cancer and aging. Several of the chapters are from the Human Cell Transformation: Advances in Cell Models for the Study of Cancer and Aging conference that was held in June 2018 at McGill University. The authors represent international expertise on a wide variety of topics ranging from different types of cancer (prostate, bone, breast, etc.) to tumor microenvironment, tumor progression, homogeneity, and possible therapies and treatments.

Download or read book Cellular Immune Mechanisms and Tumor Dormancy written by Thomas H. M. Stewart and published by . This book was released on 2018 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: "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"--Provided by publisher.