Elucidating MicroRNA-mediated Regulation of Estrogen Signaling and Response in Human Breast Cancer Cells PDF Download
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Author: Brian Daniel Adams
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ISBN:
Category :
Languages : en
Pages : 0
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Author: Brian Daniel Adams
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Kyuri Kim
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Estrogens are associated with the development and progression of breast cancer in addition to their role in normal reproductive physiology, and estrogen receptors (ER) mediate the actions of estrogen in target tissues by regulating the expression of numerous biologically important target genes. The progression of human breast cancer and the development of resistance to endocrine therapies are thought to be associated with ER phosphorylation. We generated multiple combinations of ER phospho-mutants, at residues serine 104, 106, 118, 167, 236, and 305, and examined their impact on receptor half-life, the agonist and antagonist balance of selective estrogen receptor modulators (SERMs) and selective estrogen receptor downregulators (SERDs), the regulation of ER transcriptional activity, and stimulation of cell proliferation in response to estradiol and SERMs/SERD. We showed that changes in ER affecting the phosphorylation status of the receptor greatly impact receptor function and differential SERM and SERD modulated cellular responses that could contribute to resistance to endocrine therapies in breast cancer. We also studied the regulation of microRNAs (miRNAs) by estradiol and growth factors through ER and extracellular signal-regulated kinase 2 (ERK2) in order to understand their physiological impact on breast cancer. We identified nine miRNA- encoding genes harboring overlapping ER and ERK2 binding sites close to their transcription start sites, which require ER and ERK2 for transcriptional induction as well as estradiol- mediated miRNA regulation. We then identified TP63, a target of miR-101, miR-190 and miR- 196a2, and showed that TP63 plays an important role in estradiol- or growth factor-mediated cellular response in breast cancer cells (MCF-7 and MDA-MB-231) by increasing tumor cell growth and in vitro invasion mainly controlled by miR-196a2 action. These results suggest a tumor-suppressive role of miR-196a2 in regulating TP63 expression and the aggressive behavior of breast cancers.
Author: Cesar Lopez-Camarillo
Publisher: CRC Press
ISBN: 1466576774
Category : Medical
Languages : en
Pages : 426
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Book Description
MicroRNA (miRNA) biology is a cutting-edge topic in basic as well as biomedical research. This is a specialized book focusing on the current understanding of the role of miRNAs in the development, progression, invasion, and metastasis of diverse types of cancer. It also reviews their potential for applications in cancer diagnosis, prognosis, and th
Author: Constantinos Koumenis
Publisher: Springer Science & Business Media
ISBN: 146145915X
Category : Medical
Languages : en
Pages : 293
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Book Description
The collection of chapters in this proceeding volume reflects the latest research presented at the Aegean meeting on Tumor Microenvironment and Cellular Stress held in Crete in Fall of 2012. The book provides critical insight to how the tumor microenvironment affects tumor metabolism, cell stemness, cell viability, genomic instability and more. Additional topics include identifying common pathways that are potential candidates for therapeutic intervention, which will stimulate collaboration between groups that are more focused on elucidation of biochemical aspects of stress biology and groups that study the pathophysiological aspects of stress pathways or engaged in drug discovery.
Author: Mohit Kumar Jolly
Publisher: MDPI
ISBN: 3039367242
Category : Medical
Languages : en
Pages : 512
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Book Description
Recent studies have highlighted that epithelial-mesenchymal transition (EMT) is not only about cell migration and invasion, but it can also govern many other important elements such as immunosuppression, metabolic reprogramming, senescence-associated secretory phenotype (SASP), stem cell properties, therapy resistance, and tumor microenvironment interactions. With the on-going debate about the requirement of EMT for cancer metastasis, an emerging focus on intermediate states of EMT and its reverse process mesenchymal-epithelial transition (MET) offer new ideas for metastatic requirements and the dynamics of EMT/MET during the entire metastatic cascade. Therefore, we would like to initiate discussions on viewing EMT and its downstream signaling networks as a fulcrum of cellular plasticity, and a facilitator of the adaptive responses of cancer cells to distant organ microenvironments and various therapeutic assaults. We hereby invite scientists who have prominently contributed to this field, and whose valuable insights have led to the appreciation of epithelial-mesenchymal plasticity as a more comprehensive mediator of the adaptive response of cancer cells, with huge implications in metastasis, drug resistance, tumor relapse, and patient survival.
Author: Justine Rudner
Publisher: BoD – Books on Demand
ISBN: 9535111337
Category : Medical
Languages : en
Pages : 206
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Book Description
The book "Apoptosis", published by InTech and edited by Dr. Justine Rudner, of the Department of Radiation Oncology, University Hospital of Tuebingen, Germany, is comprised of 8 Open Access chapters, covering a wide range of Apoptosis-related scientific research.
Author: Y-h. Taguchi
Publisher: MDPI
ISBN: 3038977683
Category : Science
Languages : en
Pages : 348
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Book Description
This book includes updated information about microRNA regulation, for example, in the fields of circular RNAs, multiomics analysis, biomarkers and oncogenes. The variety of topics included in this book reaffirms the extent to which microRNA regulation affects biological processes. Although microRNAs are not translated to proteins, their importance for biological processes is not less than proteins. An understanding of their roles in various biological processes is critical to understanding gene function in these biological processes. Although non-coding RNAs other than microRNAs have recently come under investigation, microRNA still remains the front runner as the subject of genetic and biological studies. In reading the collection of papers, readers can grasp the most updated information regarding microRNA regulation, which will continue to be an important topic in genetics and biology.
Author: Juliet E. Compston
Publisher: John Wiley & Sons
ISBN: 0470623985
Category : Science
Languages : en
Pages : 559
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Book Description
EDITOR-IN-CHIEF: Clifford J. Rosen, M.D., Maine Medical Center Research Institute, Scarborough, Maine SENIOR ASSOCIATE EDITORS: Juliet E. Compston, M.D., FRCP, University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom Jane B. Lian, Ph.D., University of Massachusetts Medical School, Worcester, Massachusetts This comprehensive yet concise handbook is an indispensable reference for the many clinicians who see patients with disorders of bone formation, metabolic bone diseases, or disorders of stone formation. It is also a crucial tool for researchers, students, and all other professionals working in the bone field. In a format designed for quick reference, it provides complete information on the symptoms, pathophysiology, diagnosis, and treatment of all common and rare bone and mineral disorders. New in this edition: detailed coverage of osteonecrosis of the jaw, more in-depth coverage of cancer and bone including new approaches to pathogenesis, diagnosis, and treatment; new approaches to anabolic therapy of osteoporosis; the latest research on Vitamin D; expanded coverage of international topics; more on the genetics of bone mass; and newer imaging techniques for the skeleton. In addition, this edition features a free, online-only appendix of medicines used to treat bone disorders and their availability around the world.
Author: Xiaoting Zhang
Publisher: Humana Press
ISBN: 9783030075934
Category :
Languages : en
Pages : 432
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Book Description
The discovery of ER by Dr. Elwood Jensen exactly 60 years ago has not only led to the birth of a whole new vital nuclear receptor research field but also made a rapid, direct and lasting impact on the treatment and prevention of breast cancer. Since that landmark discovery, tremendous progress has been made in our understanding of the molecular functions of ER and development of targeted therapies against ER pathways for breast cancer treatment. However, there is currently no book available addressing these discoveries and recent advancement in a historical and systematic fashion. This book is intended to provide comprehensive, most up-to-date information on the history and recent advancement of ER and breast cancer by world renowned leaders in the field. These chapters include the history of the discovery of ER; physiological and pathological roles of ER; recent discovery of ER cistrome, transcriptome and its regulation of noncoding RNAs such as microRNAs and enhancer RNAs in breast cancer; development and clinical practices of the first targeted therapy Tamoxifen and other antiestrogens for breast cancer treatment; structural basis of ER and antiestrogen actions; molecular insights into endocrine resistance; the role of ER mutants, ER-beta and environmental estrogens in breast cancer; and emerging state-of-the-art therapeutic approaches currently in development to overcome treatment resistance and future perspectives. The book will provide undergraduate and graduate students, basic scientists and clinical cancer researchers, residents, fellows, as well as clinicians, oncology educators and the general public a thorough and authoritative review of these exciting topics.
Author: Phuc Van Pham
Publisher: BoD – Books on Demand
ISBN: 9535129996
Category : Medical
Languages : en
Pages : 570
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Book Description
Breast Cancer - From Biology to Medicine thoroughly examines breast cancer from basic definitions, to cellular and molecular biology, to diagnosis and treatment. This book also has some additional focus on preclinical and clinical results in diagnosis and treatment of breast cancer. The book begins with introduction on epidemiology and pathophysiology of breast cancer in Section 1. In Section 2, the subsequent chapters introduce molecular and cellular biology of breast cancer with some particular signaling pathways, the gene expression, as well as the gene methylation and genomic imprinting, especially the existence of breast cancer stem cells. In Section 3, some new diagnostic methods and updated therapies from surgery, chemotherapy, hormone therapy, immunotherapy, radiotherapy, and some complementary therapies are discussed. This book provides a succinct yet comprehensive overview of breast cancer for advanced students, graduate students, and researchers as well as those working with breast cancer in a clinical setting.
