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Author: Borje Andersson Publisher: Springer Science & Business Media ISBN: 1461511739 Category : Medical Languages : en Pages : 391
Book Description
Over the last several decades, the introduction of new chemotherapeutic drugs and drug combinations has resulted in increased long term remission rates in several important tumor types. These include childhood leukemia, adult leukemias and lymphomas, as well as testicular and trophoblastic tumors. The addition of high-dose chemotherapy with growth factor and hemopoietic stem cell support has increased clinical remission rates even further. For the majority of patients with some of the more common malignancies, however, palliation (rather than cure) is still the most realistic goal of chemotherapy for metastatic disease. The failure of chemotherapy to cure metastatic cancer is commonly referred to among clinicians as "drug resistance". This phenomenon can, however, often be viewed as the survival of malignant cells that resulted from a failure to deliver an effective drug dose to the (cellular) target because of anyone of or combination of a multitude of individual factors. Clinically, this treatment failure is often viewed as the rapid occurrence of resistance at the single cell level. However, in experimental systems, stable drug resistance is usually relatively slow to emerge.
Author: Borje Andersson Publisher: Springer Science & Business Media ISBN: 1461511739 Category : Medical Languages : en Pages : 391
Book Description
Over the last several decades, the introduction of new chemotherapeutic drugs and drug combinations has resulted in increased long term remission rates in several important tumor types. These include childhood leukemia, adult leukemias and lymphomas, as well as testicular and trophoblastic tumors. The addition of high-dose chemotherapy with growth factor and hemopoietic stem cell support has increased clinical remission rates even further. For the majority of patients with some of the more common malignancies, however, palliation (rather than cure) is still the most realistic goal of chemotherapy for metastatic disease. The failure of chemotherapy to cure metastatic cancer is commonly referred to among clinicians as "drug resistance". This phenomenon can, however, often be viewed as the survival of malignant cells that resulted from a failure to deliver an effective drug dose to the (cellular) target because of anyone of or combination of a multitude of individual factors. Clinically, this treatment failure is often viewed as the rapid occurrence of resistance at the single cell level. However, in experimental systems, stable drug resistance is usually relatively slow to emerge.
Author: Jun Zhou Publisher: Humana Press ISBN: 9781617796647 Category : Medical Languages : en Pages : 492
Book Description
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 . . . . . . . . . . . . . . . . . . . . . . . . . .
Author: Beverly A. Teicher Publisher: Springer Science & Business Media ISBN: 1597450359 Category : Medical Languages : en Pages : 611
Book Description
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.
Author: Robert F. Ozols Publisher: Springer Science & Business Media ISBN: 1461538726 Category : Medical Languages : en Pages : 314
Book Description
The importance of drug resistance in cancer chemotherapy cannot be over stated. The 500,000 patients who die every year from cancer in the United States have, in most cases, been treated with chemotherapy. Many of these patients responded initially to chemotherapy, but death resulted from the development of drug-resistant tumors. In the first volume in the series. Drug Resistance in Chemotherapy the results of comprehensive laboratory studies aimed at understanding the mechanisms for resistance to individual agents and to the development of broad cross-resistance were described. In the past 2 years there has been substantial progress in understanding the molecular biology associated with these mechanisms of drug resistance. For the first time we are starting to understand which mechanisms are playing an im portant role in human tumors, and even more importantly, clinical trials have recently been initiated in an effort to reverse specific forms of drug resistance. The purpose of this volume is to describe the new advances, both at the molecular level and in the clinic regarding mechanisms of drug resistance and potential ways this resistance can be circumvented. This volume is focused upon mechanisms of resistance associated with two major classes of anticancer drugs: alkylating agents (including cisplatin) and the natural products (e. g. , adriamycin and vinblastine). The first section of the book describes new insights into the genetic mechanisms associated with drug resistance.
Author: Jindong Chen Publisher: BoD – Books on Demand ISBN: 1789231000 Category : Medical Languages : en Pages : 130
Book Description
With international experts sharing their experience and knowledge on these different aspects in the management of colorectal cancer, this book has this opportunity to offer all physicians treating colorectal cancer, as well as researchers, updated information concerning the biology, diagnosis, screening, and treatment of colorectal carcinoma. This book provides a detailed evaluation of diagnostic modalities, in-depth analysis of screening for colorectal cancer, recent advances in treatment, and principles and trends in the management of colorectal cancer. This updated knowledge will be an interesting and informative read for any clinician involved in the management of patients with colorectal cancer. In addition, readers such as related physicians, researchers, and colorectal cancer patients are potential beneficiaries of this book.
Author: Martin Clynes Publisher: Springer Science & Business Media ISBN: 9401723745 Category : Medical Languages : en Pages : 343
Book Description
Resistance to chemotherapy, and especially multi-drug resistance, represents a significant barrier to the successful treatment of cancer. This multi-author volume brings together a wide range of up-to-date reviews on different aspects of our knowledge of drug-resistance mechanisms, written by experts in the different areas. Particular attention is paid to recently discovered mechanisms relating to oncogene expression and in particular to proteins involved in regulation and execution of apoptosis. Other important topics covered include DNA repair, topoisomerases, cell cycle control, oxygenation and vascularisation of tumours, LRP, intermediate filament proteins and low-level resistance. Recent developments in understanding the role of efflux pumps (P-170, MRP) in multi-drug resistance are also reviewed. This book will be useful to clinicians and scientists working in the areas of chemotherapy, drug resistance, DNA repair and apoptosis research.
Author: Robert Brown Publisher: Springer Science & Business Media ISBN: 1592596878 Category : Medical Languages : en Pages : 241
Book Description
There is now a range of cytotoxic drugs that have considerable clinical usefulness in producing responses in tumors and even, in a small proportion of cases, cure. However, the acquisition of drug resistance is a major clinical problem and is perhaps the main limiting factor in successful treatment of cancer. Thus, a tumor initially sensitive to chemotherapy will, in the majority of cases, eventually recur as a resistant tumor, which will then progress. Much of our understanding of drug resistance mechanisms comes from the study of tumor cell lines grown in tissue culture. We now understand many of the - lecular mechanisms that can lead to a cell acquiring resistance to antic- cer drugs; however, we still do not know which mechanism(s) are those most relevant to the problem of clinical drug resistance. Indeed, given that many of the cytotoxic anticancer drugs were discovered by random screening, it is - clear what features give a clinically useful anticancer drug a sufficient the- peutic index to be of value. The aim of Cytotoxic Drug Resistance Mechanisms is to provide pro- cols that are appropriate for examining the mechanisms of cellular resistance to anticancer cytotoxics in human tumor samples. Tumor cell lines have been enormously useful as experimental models of drug resistance mechanisms, however they have limitations and we need to address the relevance of such mechanisms in patients’ tumors. Examining drug resistance in tumors is much more problematic than in cell lines.
Author: Dihua Yu Publisher: Springer Science & Business Media ISBN: 0387740392 Category : Medical Languages : en Pages : 175
Book Description
In Breast Cancer Chemosensitivity, a group of world leading experts review critical aspects of resistance to systemic therapy in breast cancer patients. Beginning with a clinical overview of the problem, the book then focuses on the latest findings of molecular mechanisms of drug resistance. Coverage provides an example of using novel approaches for chemosensitization of breast cancer cells that gives readers an idea about the future direction in breast cancer treatment. It allows those who are interested in breast cancer therapy to get a jump-start on critical issues in breast cancer therapeutic resistance.
Author: Kapil Mehta Publisher: Springer ISBN: 9781441927941 Category : Medical Languages : en Pages : 0
Book Description
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.
Author: Herbert M. Pinedo Publisher: Cambridge University Press ISBN: 9780521030748 Category : Medical Languages : en Pages : 340
Book Description
The development of drug-resistant cancers is considered to be the most significant obstacle to the cure of cancer today. Nearly half of all patients with cancer suffer from tumors that are intrinsically resistant to chemotherapy, and most of the remaining half develop drug resistance during the course of their treatment. This book reviews the mechanisms and clinical implications of drug resistance in cancer with unrivaled authority. The authors, who are among the leading clinicians and investigators in the field, cover topics of current clinical concern, including multiple drug resistance and its reversal, topoisomerase drugs, apoptosis, dose intensity and escalation, gene therapy and hematopoietic support.
Author: Borje Andersson
Author: Borje Andersson
Author: Jun Zhou
Author: Beverly A. Teicher
Author: Robert F. Ozols
Author: Jindong Chen
Author: Martin Clynes
Author: Robert Brown
Author: Dihua Yu
Author: Kapil Mehta
Author: Herbert M. Pinedo