Mechanism Of Telomerase Inhibition Using Small Inibitory Rnas And Induction Of Breast Tumor Cell Sensitivity
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Mechanism Of Telomerase Inhibition Using Small Inibitory Rnas And Induction Of Breast Tumor Cell Sensitivity
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Author :
language : en
Publisher:
Release Date : 2007
Mechanism Of Telomerase Inhibition Using Small Inibitory Rnas And Induction Of Breast Tumor Cell Sensitivity written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
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.
Mechanism Of Telomerase Inhibition Using Small Inhibitory Rnas And Induction Of Breast Tumor Cell Sensitization
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Author :
language : en
Publisher:
Release Date : 2005
Mechanism Of Telomerase Inhibition Using Small Inhibitory Rnas And Induction Of Breast Tumor Cell Sensitization written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
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.
Mechanism Of Telomerase Inhibition Using A Small Inhibitory Rnas And Induction Of Breast Tumor Cell Sensitization
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Author :
language : en
Publisher:
Release Date : 2007
Mechanism Of Telomerase Inhibition Using A Small Inhibitory Rnas And Induction Of Breast Tumor Cell Sensitization written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
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.
Telomerase Inhibition
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Author : Lucy Andrews
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-11-29
Telomerase Inhibition written by Lucy Andrews 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 2007-11-29 with Medical categories.
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.
Telomeres And Telomerase In Cancer
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Author : Keiko Hiyama
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-03-18
Telomeres And Telomerase In Cancer written by Keiko Hiyama 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 2009-03-18 with Medical categories.
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.
Systems Biology Of Cancer
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Author : Sam Thiagalingam
language : en
Publisher: Cambridge University Press
Release Date : 2015-04-09
Systems Biology Of Cancer written by Sam Thiagalingam and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-09 with Mathematics categories.
An overview of the current systems biology-based knowledge and the experimental approaches for deciphering the biological basis of cancer.
Phytochemicals
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Author : Venketeshwer Rao
language : en
Publisher: BoD – Books on Demand
Release Date : 2015-09-30
Phytochemicals written by Venketeshwer Rao and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-30 with Science categories.
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.
Holland Frei Cancer Medicine
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Author : Robert C. Bast, Jr.
language : en
Publisher: John Wiley & Sons
Release Date : 2017-03-10
Holland Frei Cancer Medicine written by Robert C. Bast, Jr. and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-10 with Medical categories.
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
Heat Shock Proteins In Cancer
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Author : Stuart K. Calderwood
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-09-09
Heat Shock Proteins In Cancer written by Stuart K. Calderwood 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 2007-09-09 with Medical categories.
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.
Nanopharmaceuticals Principles And Applications Vol 3
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Author : Vinod Kumar Yata
language : en
Publisher: Springer Nature
Release Date : 2020-08-19
Nanopharmaceuticals Principles And Applications Vol 3 written by Vinod Kumar Yata and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-19 with Technology & Engineering categories.
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.
