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Mechanism Of Telomerase Inhibition Using Small Inibitory Rnas And Induction Of Breast Tumor Cell Sensitivity
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Book Synopsis Mechanism of Telomerase Inhibition Using Small Inibitory RNAs and Induction of Breast Tumor Cell Sensitivity by :
Download or read book Mechanism of Telomerase Inhibition Using Small Inibitory RNAs and Induction of Breast Tumor Cell Sensitivity written by and published by . This book was released on 2007 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomerase, a ribonucleoprotein enzyme composed of an RNA template (hTR) and a catalytically active protein subunit (hTERT), synthesizes telomeres after cell divisions and is obligatory for continuous tumor cell proliferation as well as malignant progression of breast cancer cells. Telomerase is an attractive anti-cancer therapeutic agent because telomerase activity is present in over 90% of human breast cancers but is undetectable in most normal somatic cells. Traditional therapies (surgery, chemotherapy, radiotherapy, etc.) lack the ability to effectively control and cure breast cancer, primarily because residual cells are or become resistant to DNA damaging modalities including standard chemo- and radio-therapies. Since telomerase requires its associated hTR for repeat synthesis, we have chosen to use RNA interference as a method to inactivate hTR and hence telomerase. RNA interference (RNAi) has become a powerful tool for the analysis of gene function in that RNAi allows sequence specific inhibition of gene expression. Another protein we targeted is p21, which has long been established as a requirement for senescence. We wanted to further examine its relationship to senescence and apotosis, in an attempt to sensitize breast tumor cells more effectively.
Book Synopsis Mechanism of Telomerase Inhibition Using Small Inhibitory RNAs and Induction of Breast Tumor Cell Sensitization by :
Download or read book Mechanism of Telomerase Inhibition Using Small Inhibitory RNAs and Induction of Breast Tumor Cell Sensitization written by and published by . This book was released on 2005 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomerase, a ribonucleoprotein enzyme composed of an RNA template (hTR) and a catalytically active protein subunit (hTERT), synthesizes telomeres after cell divisions and is obligatory for continuous tumor cell proliferation as well as malignant progression of breast cancer cells. Telomerase is an attractive anti-cancer therapeutic agent because telomerase activity is present in over 90% of human breast cancers but is undetectable in most normal somatic cells. Traditional therapies (surgery, chemotherapy, radiotherapy, etc.) lack the ability to effectively control and cure breast cancer, primarily because residual cells are or become resistant to DNA damaging modalities including standard chemo- and radio-therapies. Since telomerase requires its associated hTR for repeat synthesis, we have chosen to use RNA interference as a method to inactivate hTR and hence telomerase. RNA interference (RNAI) has become a powerful tool for the analysis of gene function in that RNAI allows sequence specific inhibition of gene expression. Another protein we targeted is p21, which has long been established as a requirement for senescence. We wanted to further examine its relationship to senescence and apotosis, in an attempt to sensitize breast tumor cells more effectively.
Book Synopsis Mechanism of Telomerase Inhibition Using a Small Inhibitory RNAs and Induction of Breast Tumor Cell Sensitization by :
Download or read book Mechanism of Telomerase Inhibition Using a Small Inhibitory RNAs and Induction of Breast Tumor Cell Sensitization written by and published by . This book was released on 2007 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomerase, a ribonucleoprotein enzyme minimally composed of an RNA template (hTR) and a catalytically active protein subunit (hTERT), synthesizes telomeric repeats onto chromosome ends and is obligatory for continuous tumor cell proliferation, as well as malignant progression of breast cancer cells. Telomerase is an attractive anti-cancer therapeutic target because its activity is present in over 90% of human cancers, including more than 95% of breast carcinomas, but undetectable in most somatic cells. Traditional chemo- and radiotherapies lack the ability to effectively control and cure breast cancer, in part because residual cells are or become resistant to DNA damaging modalities. While various telomerase inhibition strategies cause cancer cells to undergo apoptosis or senescence, there is often a lag period between administration and biologic effect (Corey, 2002). Our goal in this study was to compare the efficacy of different telomerase inhibition strategies in concert with standard chemotherapeutic agents at triggering senescence and/or apoptosis in cultures of breast cancer cells. We hypothesized that telomerase inhibition strategies will sensitize breast cancer cells to traditional chemotherapies, potentially reducing the lag phase, allowing for more potent anti-tumor effects at lower doses, and therefore ultimately imparting less toxicity to the patient.
Book Synopsis Telomerase Inhibition by : Lucy Andrews
Download or read book Telomerase Inhibition written by Lucy Andrews and published by Springer Science & Business Media. This book was released on 2007-11-29 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a compendium of the most recent and advanced methods applied to the rapidly expanding field of telomerase inhibition. The techniques described provide the researcher with a diverse and comprehensive set of tools for the study of telomerase inhibition. The volume is aimed at biochemists, molecular biologists, cancer researchers, and geneticists.
Book Synopsis Telomeres and Telomerase in Cancer by : Keiko Hiyama
Download or read book Telomeres and Telomerase in Cancer written by Keiko Hiyama and published by Springer Science & Business Media. This book was released on 2009-03-18 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomerase, an enzyme that maintains telomeres and endows eukaryotic cells with immortality, was first discovered in tetrahymena in 1985. In 1990s, it was proven that this enzyme also plays a key role in the infinite proliferation of human cancer cells. Now telomere and telomerase are widely accepted as important factors involved in cancer biology, and as promising diagnostic tools and therapeutic targets. Recently, role of telomerase in “cancer stem cells” has become another attractive story. Until now, there are several good books on telomere and telomerase focusing on biology in ciliates, yeasts, and mouse or basic sciences in human, providing basic scientists or students with updated knowledge.
Book Synopsis Nanopharmaceuticals: Principles and Applications Vol. 3 by : Vinod Kumar Yata
Download or read book Nanopharmaceuticals: Principles and Applications Vol. 3 written by Vinod Kumar Yata and published by Springer Nature. This book was released on 2020-08-19 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the third volume on this subject and focuses on the recent advances of nanopharmaceuticals in cancer, dental, dermal and drug delivery applications and presents their safety, toxicity and therapeutic efficacy. The book also includes the transport phenomenon of nanomaterials and important pathways for drug delivery applications. It goes on to explain the toxicity of nanoparticles to different physiological systems and methods used to assess this for different organ systems using examples of in vivo systems.
Book Synopsis Systems Biology of Cancer by : Sam Thiagalingam
Download or read book Systems Biology of Cancer written by Sam Thiagalingam and published by Cambridge University Press. This book was released on 2015-04-09 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the current systems biology-based knowledge and the experimental approaches for deciphering the biological basis of cancer.
Book Synopsis Heat Shock Proteins in Cancer by : Stuart K. Calderwood
Download or read book Heat Shock Proteins in Cancer written by Stuart K. Calderwood and published by Springer Science & Business Media. This book was released on 2007-09-09 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat shock proteins are emerging as important molecules in the development of cancer and as key targets in cancer therapy. These proteins enhance the growth of cancer cells and protect tumors from treatments such as drugs or surgery. However, new drugs have recently been developed particularly those targeting heat shock protein 90. As heat shock protein 90 functions to stabilize many of the oncogenes and growth promoting proteins in cancer cells, such drugs have broad specificity in many types of cancer cell and offer the possibility of evading the development of resistance through point mutation or use of compensatory pathways. Heat shock proteins have a further property that makes them tempting targets in cancer immunotherapy. These proteins have the ability to induce an inflammatory response when released in tumors and to carry tumor antigens to antigen presenting cells. They have thus become important components of anticancer vaccines. Overall, heat shock proteins are important new targets in molecular cancer therapy and can be approached in a number of contrasting approaches to therapy.
Book Synopsis Holland-Frei Cancer Medicine by : Robert C. Bast, Jr.
Download or read book Holland-Frei Cancer Medicine written by Robert C. Bast, Jr. and published by John Wiley & Sons. This book was released on 2017-03-10 with total page 2004 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holland-Frei Cancer Medicine, Ninth Edition, offers a balanced view of the most current knowledge of cancer science and clinical oncology practice. This all-new edition is the consummate reference source for medical oncologists, radiation oncologists, internists, surgical oncologists, and others who treat cancer patients. A translational perspective throughout, integrating cancer biology with cancer management providing an in depth understanding of the disease An emphasis on multidisciplinary, research-driven patient care to improve outcomes and optimal use of all appropriate therapies Cutting-edge coverage of personalized cancer care, including molecular diagnostics and therapeutics Concise, readable, clinically relevant text with algorithms, guidelines and insight into the use of both conventional and novel drugs Includes free access to the Wiley Digital Edition providing search across the book, the full reference list with web links, illustrations and photographs, and post-publication updates
Book Synopsis Molecular and Cellular Changes in the Cancer Cell by :
Download or read book Molecular and Cellular Changes in the Cancer Cell written by and published by Academic Press. This book was released on 2016-11-16 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular and Cellular Changes in the Cancer Cell,the latest volume in the Progress in Molecular Biology and Translational Science series, includes a comprehensive summary of the evidence accumulated thus far on the molecular and cellular regulation of the various adaptations taking place in response to exercise. This volume examines some of the latest advances, highlighting some of the most important molecular and cellular alterations and environmental influences that collectively cause a normal cell to become cancerous. Special emphasis is given to changes that take place at the molecular and cellular level. Comprehensive and up-to-date survey of current knowledge on the cancer cell Includes the latest advances and the most important molecular and cellular alterations and environmental influences collectively causing cells to become cancerous Written by leading experts in the field
Book Synopsis Small Molecule Microarrays: Methods and Protocols by : Mahesh Uttamchandani
Download or read book Small Molecule Microarrays: Methods and Protocols written by Mahesh Uttamchandani and published by Methods in Molecular Biology. This book was released on 2018-12-05 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gene Therapy for Cancer by : Kelly K. Hunt
Download or read book Gene Therapy for Cancer written by Kelly K. Hunt and published by Springer Science & Business Media. This book was released on 2007-10-26 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three sections of this volume present currently available cancer gene therapy techniques. Part I describes the various aspects of gene delivery. In Part II, the contributors discuss strategies and targets for the treatment of cancer. Finally, in Part III, experts discuss the difficulties inherent in bringing gene therapy treatment for cancer to the clinic. This book will prove valuable as the volume of preclinical and clinical data continues to increase.
Book Synopsis Telomeres and Telomerase by : Derek J. Chadwick
Download or read book Telomeres and Telomerase written by Derek J. Chadwick and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomeres and Telomerase Chairman: Sydney Brenner, 1997 Telomeres are the protective genetic elements located at the ends of chromosomes and are essential for correct chromosomal structure and function. They are not fully replicated by the conventional DNA polymerase system because DNA synthesis occurs only in the 5' to 3' direction and requires an RNA primer for initiation. Consequently, cells require a special enzyme to maintain the telomeric ends of chromosomes during each round of replication. This enzyme, telomerase, is a ribonucleoprotein that extends chromosome ends by adding short stretches of nucleotide repeats using a portion of its integral RNA component as the template. Recently, much excitement has been generated by the suggestion that telomerase, or rather the absence of telomerase and the resultant loss of terminal DNA, is a cause of human ageing. The evidence for this is twofold: the telomeres of certain cells in culture shorten during their lifespan; and immortalization of cells is associated, at least in some cases, with the maintenance of telomeres and telomerase activity. The latter observation prompted the analysis of clinical samples from patients with cancer and the demonstration that, in contrast to normal somatic cells, malignant cells possess telomerase activity. This is a unique book. Not only does it contain the latest experimental results from an international group of experts, but it also includes critical examinations of the current evidence, and discussions that attempt to identify the central and underlying concepts of this rapidly expanding field.
Book Synopsis Quadruplex Nucleic Acids As Targets For Medicinal Chemistry by :
Download or read book Quadruplex Nucleic Acids As Targets For Medicinal Chemistry written by and published by Academic Press. This book was released on 2020-08-26 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: The realisation that human, animal, viral and bacterial genomes all contain over-representation of higher-order quadruplex structures in regulatory and other pharmacologically-useful regions, has led to a large number of studies aimed at exploiting this findings for therapeutic and diagnostic purposes. Quadruplex-binding small molecules are starting to be evaluated in human clinical trials. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in the Annual Reports in Medicinal Chemistry series
Book Synopsis Telomeres and Telomerase by : Predrag Slijepcevic
Download or read book Telomeres and Telomerase written by Predrag Slijepcevic and published by S. Karger AG (Switzerland). This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomeres are essential functional elements of eukaryotic chromosomes. Their fundamental biological role as protectors of chromosome stability was identified for the first time in the 1930s by Hermann Muller and Barbara McClintock based on pioneering cytological experiments. Modern molecular research carried out more recently revealed that telomeres and telomerase play important roles in processes such as carcinogenesis and cellular senescence. This special issue presents the most recent developments in this highly active field of research. It is becoming increasingly clear that molecular pathways involved in regulation of telomere length and structure are functionally linked with pathways involved in DNA damage response, cellular stress response, chromatin organization and perhaps even pathways that regulate evolutionary chromosome rearrangements. The above functional link is explored by the leading experts in the field of telomere biology. Cell biologists, molecular biologists, oncologists, gerontologists, and radiobiologists with an interest in the role of telomeres/telomerase will appreciate the up-to-date information in this publication.
Book Synopsis Phytochemicals by : Venketeshwer Rao
Download or read book Phytochemicals written by Venketeshwer Rao and published by BoD – Books on Demand. This book was released on 2015-09-30 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global dietary recommendations emphasize the consumption of plant-based foods for the prevention and management of chronic diseases. Plants contain many biologically active compounds referred to as phytochemicals or functional ingredients. These compounds play an important role in human health. Prior to establishing the safety and health benefits of these compounds, they must first be isolated, purified, and their physico-chemical properties established. Once identified, their mechanisms of actions are studied. The chapters are arranged in the order from isolation, purification and identification to in vivo and clinical studies, there by covering not only the analytical procedures used but also their nutraceutical and therapeutic properties.
Book Synopsis Oligodeoxynucleotides by : Jack Sidney Cohen
Download or read book Oligodeoxynucleotides written by Jack Sidney Cohen and published by . This book was released on 1989 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
