Drug Resistance in Cancer: Mechanisms and Strategies

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Author :
Publisher : Springer Nature
ISBN 13 : 9819716667
Total Pages : 392 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Drug Resistance in Cancer: Mechanisms and Strategies by : Sameer Ullah Khan

Download or read book Drug Resistance in Cancer: Mechanisms and Strategies written by Sameer Ullah Khan and published by Springer Nature. This book was released on with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Drug Resistance in Cancer: Mechanisms and Strategies

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Author :
Publisher : Springer
ISBN 13 : 9789819716654
Total Pages : 0 pages
Book Rating : 4.7/5 (166 download)

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Book Synopsis Drug Resistance in Cancer: Mechanisms and Strategies by : Sameer Khan

Download or read book Drug Resistance in Cancer: Mechanisms and Strategies written by Sameer Khan and published by Springer. This book was released on 2024-05-26 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book tries to emphasize the mechanisms associated with the resistance towards various anti-cancer therapies The focus has been given to the role of cancer stem cells, immune cells, and the multiway impact of tumor microenvironment in drug resistance. The book delves into the role of epigenetic alterations, autophagy, intracellular compartments, and the impact of gut microbiome on therapeutic resistance. Each chapter of the book has elaborated on these aspects that are exclusively or mutually driving the therapeutic non-responsiveness towards various current clinical candidates. In addition to that the book has also discussed novel strategies to overcome the therapeutic challenge by employing Combinatorial therapies that can prove to be useful and effective. Overall the book reflects on the current treatment challenges, futuristic strategies and new research initiatives that explore novel treatment options.

Drug Resistance in Colorectal Cancer: Molecular Mechanisms and Therapeutic Strategies

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Author :
Publisher : Academic Press
ISBN 13 : 0128199385
Total Pages : 242 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Drug Resistance in Colorectal Cancer: Molecular Mechanisms and Therapeutic Strategies by : Chi Hin Cho

Download or read book Drug Resistance in Colorectal Cancer: Molecular Mechanisms and Therapeutic Strategies written by Chi Hin Cho and published by Academic Press. This book was released on 2020-05-24 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drug Resistance in Colorectal Cancer: Molecular Mechanisms and Therapeutic Strategies, Volume Eight, summarizes the molecular mechanisms of drug resistance in colorectal cancer, along with the most up-to-date therapeutic strategies available. The book discusses reasons why colorectal tumors become refractory during the progression of the disease, but also explains how drug resistance occurs during chemotherapy. In addition, users will find the current therapeutic strategies used by clinicians in their practice in treating colorectal cancer. The combination of conventional anticancer drugs with chemotherapy-sensitizing agents plays a pivotal role in improving the outcome of colorectal cancer patients, in particular those with drug-resistant cancer cells. From a clinical point-of-view, the content of this book provides clinicians with updated therapeutic strategies for a better choice of drugs for drug-resistant colorectal cancer patients. It will be a valuable source for cancer researchers, oncologists and several members of biomedical field who are dedicated to better treat patients with colorectal cancer. Presents a systemic summary of molecular mechanisms for a quick and in-depth understanding Updates current trends in the field with pioneering information on drug resistance Encompasses both basic and clinical approaches for a better understanding of unsolved problems from a holistic point-of-view

Multi-Drug Resistance in Cancer

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 1394209843
Total Pages : 228 pages
Book Rating : 4.3/5 (942 download)

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Book Synopsis Multi-Drug Resistance in Cancer by : Rishabha Malviya

Download or read book Multi-Drug Resistance in Cancer written by Rishabha Malviya and published by John Wiley & Sons. This book was released on 2023-07-18 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: MULTI-DRUG RESISTANCE IN CANCER The book details the mechanisms underlying multi-drug cellular resistance and the targets of novel chemotherapeutic agents. Cancer is a major killer all over the world. Even with all the progress made, chemotherapy is still the mainstay of modern cancer treatment. The progression of the cellular defeat of numerous independent anticancer drugs in terms of their chemical structure is a major barrier to successful chemotherapy. Multi-drug resistance (MDR) is a term for the fact that most cancer patients exhibit this phenomenon. According to the numbers, drug resistance carries the blame for 90% of cancer patient deaths. Refractory cancer and tumor recurrence are common outcomes of prolonged chemotherapy. Because of the prevalence of drug-resistance mutations, the difficulty of treating tumors increases and the therapeutic efficacy of drugs decreases. Multi-Drug Resistance in Cancer: Mechanism and Treatment Strategies contains nine chapters that cover topics such as: studying the mechanics of resistance to drugs by autophagy; studies to delineate the role of efflux transporters; expression of drug transporters; resistance to targeted therapies in breast cancer; advances in metallodrug driven combination treatment for cancer; and use of natural agents for the overcoming of cancer drug resistance. The book aims to provide the latest data on the mechanisms of cellular resistance to anticancer agents currently used in clinical treatment. It provides a better understanding of the mechanisms of MDR and targets of novel chemotherapy agents which should guide future research concerning new effective strategies in cancer treatment. Audience This book is written for pharmaceutical and biomedical scientists and researchers at both the bench and in the clinic who are interested in the mechanisms and strategies for overcoming cancer’s multi-drug resistance.

Multi-Drug Resistance in Cancer

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Author :
Publisher : Humana Press
ISBN 13 : 9781617796647
Total Pages : 492 pages
Book Rating : 4.7/5 (966 download)

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Book Synopsis Multi-Drug Resistance in Cancer by : Jun Zhou

Download or read book Multi-Drug Resistance in Cancer written by Jun Zhou and published by Humana Press. This book was released on 2012-08-09 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemotherapy is one of the major treatment options for cancer patients; however, the efficacy of chemotherapeutic management of cancer is severely limited by multidrug resistance, in that cancer cells become simultaneously resistant to many structurally and mechanistically unrelated drugs. In the past three decades, a number of mechanisms by which cancer cells acquire multidrug resistance have been discovered. In addition, the development of agents or strategies to overcome resistance has been the subject of intense study. This book contains comprehensive and up-to-date reviews of multidrug resistance mechanisms, from over-expression of ATP-binding cassette drug transporters such as P-glycoprotein, multidrug resistance-associated proteins, and breast cancer resistance p- tein to the drug ratio-dependent antagonism and the paradigm of cancer stem cells. The book also includes strategies to overcome multidrug resistance, from the development of compounds that inhibit drug transporter function to the modulation of transporter expression. In addition, this book contains techniques for the detection and imaging of drug transporters, methods for the investigation of drug resistance in animal models, and strategies to evaluate the efficacy of resistance reversal agents. The book intends to provide a state-of-the-art collection of reviews and methods for both basic and clinician investigators who are interested in cancer multidrug resistance mechanisms and reversal strategies. Tianjin, China Jun Zhou v Contents Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Contributors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1 Multidrug Resistance in Cancer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Bruce C. Baguley 2 Multidrug Resistance in Oncology and Beyond: From Imaging of Drug Efflux Pumps to Cellular Drug Targets . . . . . . . . . . . . . . . . . . . . . . . . . .

Mechanisms of Drug Resistance in Cancer Therapy

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Author :
Publisher : Springer
ISBN 13 : 3030105075
Total Pages : 297 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Mechanisms of Drug Resistance in Cancer Therapy by : Mario Mandalà

Download or read book Mechanisms of Drug Resistance in Cancer Therapy written by Mario Mandalà and published by Springer. This book was released on 2019-01-10 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: A major objective of this book is to reveal unprecedented opportunities to understand and overcome drug resistance through the clinical assessment of rational therapeutic drug combinations and the use of predictive and prognostic biomarkers to enable patient stratification and tailor treatments. It offers to the readers an updated overview on the possible reasons of failure of new and promising therapeutic opportunities.

Drug Resistance in Cancer

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Author :
Publisher : Cambridge University Press
ISBN 13 : 9780521111706
Total Pages : 256 pages
Book Rating : 4.1/5 (117 download)

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Book Synopsis Drug Resistance in Cancer by : James H. Goldie

Download or read book Drug Resistance in Cancer written by James H. Goldie and published by Cambridge University Press. This book was released on 2009-06-11 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drug resistance in cancer, whereby a portion of cancer cells evades chemotherapy, poses a profound and continuing challenge for the effective treatment of cancer. The principles underlying the biological mechanisms behind this phenomenon are clearly explained in this volume. A deeper understanding of drug resistance requires a quantitative appreciation of the dynamic forces that shape tumor growth, including spontaneous mutation and selection processes. The authors seek to explain and to simplify these complex mechanisms, and to place them in a clinical context. Clearly explained mathematical models are used to illustrate the biological principles and provide an insight into tumor development and the effectiveness and limitations of drug treatment. The volume is suitable for those with a nonmathematical background and aims to enhance the effectiveness of cancer therapy. This is the first book to provide such an integrated account, in a form accessible to both doctor and scientist.

Molecular Mechanisms of Drug Resistance And Strategies of Sensitization in Breast Cancer, 2nd edition

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 2832541844
Total Pages : 198 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Molecular Mechanisms of Drug Resistance And Strategies of Sensitization in Breast Cancer, 2nd edition by : Yan Cheng

Download or read book Molecular Mechanisms of Drug Resistance And Strategies of Sensitization in Breast Cancer, 2nd edition written by Yan Cheng and published by Frontiers Media SA. This book was released on 2024-01-11 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Basic scientific background Breast cancer is one of the most common cancer and the most frequent cause of cancer death among women worldwide. Currently, subtyping breast cancers into hormone receptor (HR) positive, human epidermal growth factor receptor-2 overexpressing (HER2+), and triple negative breast cancer (TNBC) is the basis of diagnosing and treating this disease. The main treatment strategies for breast cancer include surgery, endocrine therapy, molecular targeted therapy, chemotherapy, radiotherapy, immunotherapy and gene therapy. However, resistance of breast cancer cells to chemotherapeutic agents, molecular targeted therapies and immunotherapy may occur either intrinsically or de nova, and is often ultimately responsible for treatment failure. Therefore, drug resistance poses a major challenge to breast cancer treatment. Current developments: Drug resistance in breast cancer is a complex clinical condition originating from a wide range of molecular alterations. The development of endocrine therapy resistance is believed to be associated with many cellular changes, such as ESR1 gene mutations, bypassing estrogen signaling pathway and altered tamoxifen metabolism. Meanwhile, changes in immune response, alternation of drug-binding property and downstream pathways are involved in the mechanisms of drug resistance in HER2+ breast cancer. In addition, resistance to chemotherapeutic agents predominantly arises from increased drug efflux and cross resistance. Current studies suggest that treatment strategies and therapeutics have to be designed specifically to each patient in different clinical situations. The use of modern genomic, proteomic and functional analytical techniques has contributed to identify novel genes and signaling networks involved in breast cancer drug resistance. Moreover, the use of high-throughput techniques in combination with bioinformatics and systems biology approaches has aided the interrogation of clinical samples and allowed the identification of molecular signatures and genotypes that predict responses to certain drugs. Despite much progress has been made in the field of breast cancer drug resistance, such as combination therapy and drug-loaded nanoparticles, the complexity and variability of drug resistance mechanism still inevitably lead to the continuous occurrence of drug resistance. Therefore, with the increasing amounts of anti-breast cancer agents, there are now unprecedented opportunities to understand and overcome drug resistance through further research into mechanisms and corresponding strategies, which will help achieve lasting disease control and bring survival benefits to patients with advanced cancer. Papers of interest: The current Research Topic of Frontiers in Pharmacology focuses on publishing Original Research, Review articles and Case Reports focusing on (a) elucidating mechanisms of drug resistance in breast cancer, target mutations, tumor microenvironment, undiscovered genes and signaling pathways; (b) promising drug delivery systems that can enhance the sensitivity of anti- breast cancer agents to various tumors; (c) strategies that can improve patient care during bio-chemotherapeutic treatments; (d) small molecule compounds that are effective against drug-resistant breast tumors (e) biomarkers of chemotherapy resistance in breast cancer patients and (f) in vitro and in vivo models. Guidelines for article of submission: - Authors must stick to the set guidelines for ethical practices by the Frontiers journals. - The main content of the article must have certain innovation and research significance. - The authors should describe the construction method of drug-resistant cell lines when using them for experiments in the article.

Drug Resistance in Cancer Cells

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Publisher : Springer Science & Business Media
ISBN 13 : 0387894454
Total Pages : 372 pages
Book Rating : 4.3/5 (878 download)

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Book Synopsis Drug Resistance in Cancer Cells by : Kapil Mehta

Download or read book Drug Resistance in Cancer Cells written by Kapil Mehta and published by Springer Science & Business Media. This book was released on 2009-06-12 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: It was estimated that in 2008, 1,437,180 patients would receive a new cancer diagnosisand 565,650individualswould die of cancer (Jemal et al. 2008).Since the vast majority of patients dying of cancer will have had anticancer therapy, both c- ventional chemotherapy and novel targeted therapy, it can be concluded that these patients are dying with drug resistant cancer. The term multidrug resistance is also apt – in that these patients die after having undergone multiple rounds of different and structurally unrelated cancer therapies. However, for some, the concept of m- tidrug resistance is a worn out idea, stemming from disappointment with the drug resistancereversalstrategiesthatwerecarriedoutinthe1990susingpumpinhibitors to block drug resistance mediated by P-glycoprotein, product of the MDR-1 gene. However, if one takes the larger de?nition – multidrug resistance as simultaneous resistance to multiple structurally unrelated anticancer therapies – its existence c- not be denied. The purpose of this book is to explore new concepts related to drug resistance in cancer, including resistance to the new molecularly targeted agents. Perhaps new terminology is needed for resistance that occurs following therapy with the targeted agents: Novel Targeted Agent Resistance (NTR). Alternatively, we can return to the original de?nition of multidrug resistance as simply the res- tance to multipleagents that occurs in the course of normalcancer progression.This resistance is likely to be mediated by many factors.

Cancer Drug Resistance

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Publisher : Springer Science & Business Media
ISBN 13 : 1597450359
Total Pages : 611 pages
Book Rating : 4.5/5 (974 download)

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Book Synopsis Cancer Drug Resistance by : Beverly A. Teicher

Download or read book Cancer Drug Resistance written by Beverly A. Teicher and published by Springer Science & Business Media. This book was released on 2007-11-09 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leading experts summarize and synthesize the latest discoveries concerning the changes that occur in tumor cells as they develop resistance to anticancer drugs, and suggest new approaches to preventing and overcoming it. The authors review physiological resistance based upon tumor architecture, cellular resistance based on drug transport, epigenetic changes that neutralize or bypass drug cytotoxicity, and genetic changes that alter drug target molecules by decreasing or eliminating drug binding and efficacy. Highlights include new insights into resistance to antiangiogenic therapies, oncogenes and tumor suppressor genes in therapeutic resistance, cancer stem cells, and the development of more effective therapies. There are also new findings on tumor immune escape mechanisms, gene amplification in drug resistance, the molecular determinants of multidrug resistance, and resistance to taxanes and Herceptin.

Multidrug Resistance in Cancer: Pharmacological Strategies from Basic Research to Clinical Issues

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 2889196151
Total Pages : 101 pages
Book Rating : 4.8/5 (891 download)

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Book Synopsis Multidrug Resistance in Cancer: Pharmacological Strategies from Basic Research to Clinical Issues by : Stefania Nobili

Download or read book Multidrug Resistance in Cancer: Pharmacological Strategies from Basic Research to Clinical Issues written by Stefania Nobili and published by Frontiers Media SA. This book was released on 2015-07-06 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: More than 40 years ago, the observation that doxorubicin-resistant tumor cells were cross-resistant to several structurally different anticancer agents was the first step in the discovery of P-glycoprotein (P-gp). P-gp belongs to the superfamily of ATP-binding cassette (ABC) transporters;its overexpression has become a therapeutic target for overcoming multidrug resistance in tumors. However, P-gp is also expressed in cells of normal tissues where it plays a physiological role, by protecting them from the toxic effects of xenobiotics. Also, ABCB1 gene polymorphisms may influence the response to anticancer drugs substrate of P-gp. Several strategies to overcome P-gp tumor drug resistance have been suggested. P-gp 'circumvention’ is the most explored and is based on the coadministration of anticancer agents and pump inhibitors (P-gp modulators). Despite the positive findings obtained in preclinical studies, results of clinical trials are not yet successful and clinical research is still ongoing. Other investigational approaches have been studied (e.g. P-gp targeting antibodies, use of antisense strategies or transcriptional regulators targeting ABCB1 gene expression) but their use is still circumscribed to the preclinical setting. A further approach is represented by the encapsulation of P-gp substrate anticancer drugs into liposomes or nanoparticles. This strategy has shown higher efficacy in tumor previously treated with the free drug. The reasons explaining the increased efficacy of liposomal/nanoparticle-based drugs in Pgp-overexpressing tumors include the coating with specific surfactants, the composition changes in the plasma membrane microdomains where P-gp is embedded, the direct impairment of P-gp catalytic mechanisms exerted by specific component of the liposomal shell, but are not yet fully understood. A second strategy to overcome P-gp tumor drug resistance is represented by exploiting the P-gp presence. Actually, P-gp-overexpressing cells show increased sensitivity (collateral sensitivity) to some drugs (e.g. verapamil, narcotic analgesics) and to some investigational compounds (e.g. NSC73306). P-gp-overexpressing cell are hypersensitive to reactive oxygen species, to agents perturbing the energetic metabolic pathways, changing the membrane compositions, reducing the efflux of endogenous toxic catabolites. However, the mechanisms explaining collateral sensitivity have not been fully elucidated. Another approach to exploit P-gp is represented by ABCB1 gene transfer to transform bone marrow progenitor cells into a drug resistant state which may allow conventional or higher doses of anticancer drug substrates of P-gp to be administered safely after transplantation. More recently the development and introduction in the clinics of anticancer drugs which are not substrates of P-gp (e.g. new microtubule modulators, topoisomerase inhibitors) has provided a new and promising strategy to overcome P-gp tumor drug resistance (P-gp 'evasion'). This ‘research topic’ issue aims at exploding the above mentioned matters, in particular by: -retracing the history of the first researches on P-gp - describing the physiological role of P-gp - describing the molecular basis, structural features and mechanism of action of P-gp - describing diagnostic laboratory methods useful to determine the expression of P-gp and its transporter function - describing strategies to overcome tumor drug resistance due to P-gp and other ABC transporters - indicating novel approaches to overcome P-gp multidrug resistance, ranging from basic research studies to pre-clinical/clinical studies.

Anticancer Drug Resistance

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Publisher : Springer Science & Business Media
ISBN 13 : 1461526329
Total Pages : 302 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Anticancer Drug Resistance by : Lori J. Goldstein

Download or read book Anticancer Drug Resistance written by Lori J. Goldstein and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last 50 years, drug development and clinical trials have resulted in successful complete responses in diseases such as childhood leukemia, testicular cancer and Hodgkin's disease. We are still, however, confronted with over 500,000 cancer-related deaths per year. Clearly, the phenomenon of drug resistance is largely responsible for these failures and continues to be an area of active investigation. Since the last volume in this series, we have learned that the energy-dependent drug efflux protein, p-glycoprotein, encoded by the MDR 1 gene, is a member of a family of structurally related transport polypeptides, thus allowing us to explore the relationship between structure and function. In addition to ongoing well designed clinical trials aimed at reversing MDR mediated drug resistance, the first gene therapy studies with the MDR 1 gene retrovirally transduced into human bone marrow cells are about to be initiated. Although MDR is currently the most understood mechanism of drug resistance, we are uncovering increasing knowledge of alternative molecular and biochemical mechanisms of drug resistance to antimetabolites, cisplatin and alkylating agents and developing new strategies for circumventing such resistance. It is clear that drug resistance is complex, and many mechanisms exist by which cancer cells may overcome the cytotoxicity of our known chemotherapeutic agents. As our understanding of each of these mechanisms expands, well designed models will be necessary to test laboratory hypotheses and determine their relationship to drug resistance in humans. It is this integration of basic science and clinical investigation that will both advance our scientific knowledge and result in the improvement of cancer therapy.

Overcoming Drug Resistance in Gynecologic Cancers

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Author :
Publisher : Elsevier
ISBN 13 : 012824299X
Total Pages : 388 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Overcoming Drug Resistance in Gynecologic Cancers by :

Download or read book Overcoming Drug Resistance in Gynecologic Cancers written by and published by Elsevier. This book was released on 2021-08-17 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overcoming Drug Resistance in Gynecologic Cancers provides up-to-date information related to important gynecologic cancers and focuses on mechanisms of drug resistance, genetics, signaling, immunology, health disparities, nanotechnology, economic considerations and financial impacts. The book covers not only drug resistance but also important means to reverse resistance both in the laboratory and clinic. The book discusses topics such as lifestyle, nutrition and risk of gynecologic cancers, the financial impact of drug resistance, chemosensitizing agents and targeted therapies in cervical, endometrial and ovarian cancer, immunotherapy to overcome drug resistance, and genetic polymorphisms in gynecologic cancers. Additionally, it discusses ethnic and racial health disparity perspectives and future developments in chemosensitizing activities to reverse drug resistance in gynecologic cancers. It is a valuable resource for cancer researchers, oncologists, clinicians and other biomedical field members who are interested in new approaches to improve chemotherapy outcome in patients with gynecologic cancers. Provides a comprehensive resource with all the details needed for readers to understand and follow information Encompasses schematics, diagrams and flow charts in all chapters to help readers easily follow critical information Presents tables and figures especially developed to summarize the information with appropriate statistical rigor and to show details of clinical specimens such as pathological, radiological characteristics, and/or laboratory biomarkers

Gastrointestinal Cancer Immunotherapy: from Drug Resistance Mechanisms to Overcoming Strategies

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 2832526101
Total Pages : 212 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Gastrointestinal Cancer Immunotherapy: from Drug Resistance Mechanisms to Overcoming Strategies by : Xiaofang Che

Download or read book Gastrointestinal Cancer Immunotherapy: from Drug Resistance Mechanisms to Overcoming Strategies written by Xiaofang Che and published by Frontiers Media SA. This book was released on 2023-06-15 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gastrointestinal (GI) cancers, including gastric cancer, colon cancer, liver cancer, esophageal cancer, and pancreatic cancer, seriously threaten the health of human beings worldwide with a high rate of morbidity and mortality. The clinical successes achieved with immune checkpoint inhibitors (ICIs) targeting PD-1/PD-L1 and CTLA-4 have opened a new cancer therapy era and brought new hope to cancer patients. However, the overall response rate (ORR) of ICI monotherapy in the non-selective population is only about 20%, in which some patients subsequently develop immunotherapy resistance. Moreover, the remaining 70-80% of patients displayed primary resistance to ICIs, and a few patients even experienced hyper progression disease (HPD). Although PD-L1 expression, mismatch repair deficient (MMRd), high tumor mutational burden (TMB-H) , high homologous recombination deficiency (HRD), and tumor infiltrated immune cells (TILs) are known as effective biomarkers for immunotherapy, growing studies have reported that ICIs could not improve the OS of all patients with PD-L1 expression higher than 50%, and the ORR of MSI-H patients was only about 60%, whereas some patients with low PD-L1 expression or MSS could still benefit from immunotherapy, indicating the complexity of ICI resistance. Therefore, it is of great importance and significance to explore the prediction biomarkers for primary or acquired immunotherapy resistance and elucidate their underlying molecular mechanisms and develop reversal strategies. Due to the multiple steps of the cancer immune cycle and complex immune microenvironment, any disorders of immune cell infiltration or T cell activation, such as lack of antigens and/or their presentation, lack of response to antigen presentation, and T cell priming, could contribute to ICI resistance. The combination with anti-angiogenesis therapy, radiotherapy, chemotherapy, and other ICIs has improved the efficacy of ICI therapy to some extent in the clinic. Although numerous studies related to ICI resistance were reported in GI cancers, due to the strong spatial/temporal heterogeneity and the complex immune microenvironment in different kinds of GI cancers and different individuals, many questions about ICI resistance and reversal strategies remain unsolved. The aim of this Research Topic is to provide a forum to exhibit the latest research achievement related to the exploration of biomarkers for immunotherapy resistance including HPD and the underlying molecular mechanisms, as well as the development of reversal strategies in GI cancers. We hope this Research Topic will lead to a better understanding of precision cancer immunotherapy and provide useful clues for clinical application to benefit more GI cancer patients with immunotherapy.

New Strategies for Reversing Cancer Therapy Resistance

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Publisher : Frontiers Media SA
ISBN 13 : 283254844X
Total Pages : 148 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis New Strategies for Reversing Cancer Therapy Resistance by : Yue Du

Download or read book New Strategies for Reversing Cancer Therapy Resistance written by Yue Du and published by Frontiers Media SA. This book was released on 2024-04-26 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amazing anticancer therapy advancements have been made in the last decade due to tremendous innovations. Nonetheless, drug resistance remains a major challenge that limits the effectiveness of anticancer therapies, causing cancer recurrence and metastasis and being a major cause of cancer-related death. Drug resistance can be caused by complex molecular mechanisms such as gene mutations, epigenetic dysregulation, microenvironment alterations, etc. Many clinical strategies, including combination therapies and epigenetic drugs, have been used to avoid or reverse drug resistance effectively. However, the progression of cancers (in patients under treatment) or the lack of response of cancer patients indicate that current approaches to overcome resistance are far from sufficient, and more work is needed.

Strategies for Overcoming Chemotherapy Resistance in Cervical Cancer

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Author :
Publisher : Elsevier
ISBN 13 : 0443289867
Total Pages : 218 pages
Book Rating : 4.4/5 (432 download)

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Book Synopsis Strategies for Overcoming Chemotherapy Resistance in Cervical Cancer by : Zodwa Dlamini

Download or read book Strategies for Overcoming Chemotherapy Resistance in Cervical Cancer written by Zodwa Dlamini and published by Elsevier. This book was released on 2024-01-23 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Strategies for overcoming chemotherapy resistance in cervical cancer highlights different strategies to reverse chemotherapy resistance in cervical cancer. The book has a strong focus on strategies to reverse chemotherapy resistance as well as strategies for early detection of the resistance, enhancing precision oncology in terms of patient care and maximizing patient management. The book also looks at virally induced resistance to chemotherapy and recommends combination therapies that can maximize the reversal of this resistance. In 10 chapters Strategies for overcoming chemotherapy resistance in cervical cancer not only gives an overview of cervical cancer and chemotherapy as treatment, but it also investigates resistance to chemotherapy and the treatment for resistance. It defines the treatment mechanisms, options, and limitations to beat chemotherapy resistance and the reversal of the resistance mechanisms. It gives insights into the future directions of cervical cancer treatment using epigenetic silencing, chemotherapy splicing, the involvement of MicroRNAs to chemotherapy resistance, and the application of Artificial Intelligence. This book is a valuable resource for health professionals, scientists and researchers, oncologists, virologists, health practitioners, medical and graduate students, and all those who wish to broaden their knowledge in the allied field. Discusses strategies to reverse and detect resistance to chemotherapy at an early stage Investigates the applications of Artificial Intelligence in the study of cervical chemotherapy resistance Presents research and applications developed to overcome cancer resistance

Molecular Mechanisms of Tumor Cell Resistance to Chemotherapy

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Publisher : Springer Science & Business Media
ISBN 13 : 1461470706
Total Pages : 271 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Molecular Mechanisms of Tumor Cell Resistance to Chemotherapy by : Benjamin Bonavida

Download or read book Molecular Mechanisms of Tumor Cell Resistance to Chemotherapy written by Benjamin Bonavida and published by Springer Science & Business Media. This book was released on 2013-07-04 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: ​​​​​This volume gives the latest developments in on the mechanisms of cancer cell resistance to apoptotic stimuli, which eventually result in cancer progression and metastasis. One of the main challenges in cancer research is to develop new therapies to combat resistant tumors. The development of new effective therapies will be dependent on delineating the biochemical, molecular, and genetic mechanisms that regulate tumor cell resistance to cytotoxic drug-induced apoptosis. These mechanisms should reveal gene products that directly regulate resistance in order to develop new drugs that target these resistance factors and such new drugs may either be selective or common to various cancers. If successful, new drugs may not be toxic and may be used effectively in combination with subtoxic conventional drugs to achieve synergy and to reverse tumor cell resistance. The research developments presented in this book can be translated to produce better clinical responses to resistant tumors.