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Overcoming Cancers Resistant To Her 2 Antibodies

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Overcoming Cancers Resistant to Her 2 Antibodies

Overcoming Cancers Resistant to Her 2 Antibodies Book
Author : Benjamin Bonavida
Publisher : Sensitizing Agents for Cancer
Release : 2019-12-15
ISBN : 9780128164082
Language : En, Es, Fr & De

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Book Description :

Overcoming Cancers Resistant to HER-2 Antibodies provides general updated information on the resistance of various human cancers to anti-HER2 therapeutic antibodies. It also discusses the description of various sensitizing agents that can reverse resistance when used in combination with anti-HER2 antibodies.There have been a lot of reports in which the treatment with anti-HER2 antibodies for various cancers has resulted in clinical responses; however, there have been also subsets of cancer patients who did not respond initially, and several responding patients developed resistance following treatments. Therefore, the use of various immunosensitizing agents to reverse resistance has been considered and this book discusses each of them in depth, such as Lapatinib, Ganetespib, Paclitaxel, Celecoxib, Emantasine, Liposomal Doxorubicin, and Kinase Inhibitors. This book is a valuable source for cancer researchers, oncologists, pharmacologists and different members of biomedical field interested in fighting cancer resistance to HER-2 antibodies. Provides a general summary of various sensitizing agents that can work effectively when used in combination with anti-HER2 antibodies to reverse resistance Offers potential underlying mechanisms by which the cancer cells are either inherently resistant or become unresponsive to antibody treatment Discusses how to develop new targeted agents to underlie resistance in order to expand research on this field

Current Applications for Overcoming Resistance to Targeted Therapies

Current Applications for Overcoming Resistance to Targeted Therapies Book
Author : Myron R. Szewczuk,Bessi Qorri,Manpreet Sambi
Publisher : Springer
Release : 2019-07-15
ISBN : 303021477X
Language : En, Es, Fr & De

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Book Description :

Targeted therapies were initially developed to exploit the upregulation and dependence on key oncogenic pathways critical to cancer progression. Additionally, they also presented as a method to overcome chemoresistance by supplementing conventional therapeutic regimens with targeted therapies. However, the development of resistance to these combinatorial approaches has led to the reassessment of currently available therapeutic options to overcome resistance to targeted therapy. This book aims to provide an update on the advancements in the therapeutic arms race between cancer, clinicians and scientists alike to overcome resistance to targeted therapies. Subject experts provide a comprehensive overview of the challenges and solutions to resistance to several conventional targeted therapies in addition to providing a discussion on broad topics including targeting components of the tumor microenvironment, emerging therapeutic options, and novel areas to be explored concerning nanotechnology and the epigenome.

Resistance to Immunotherapeutic Antibodies in Cancer

Resistance to Immunotherapeutic Antibodies in Cancer Book
Author : Benjamin Bonavida
Publisher : Springer Science & Business Media
Release : 2013-08-04
ISBN : 1461476542
Language : En, Es, Fr & De

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Book Description :

​​​​The traditional approaches to treat various cancers include chemotherapy, radiation and/or hormonal therapy. While these therapies continue to be effective in large part, they are not selective and highly toxic. There have been encouraging results in alternative therapeutic approach called antibody-mediated anti-cancer therapy, which is less toxic, more selective, and can also reverse drug/radiation resistance. Monoclonal antibodies or mAbs can be used to destroy malignant tumor cells and prevent tumor growth by blocking specific cell receptors. mAbs can bind only to cancer cell-specific antigens and induce an immunological response against the target cancer cell. The book covers the common and unique features of mAbs agains various cancer, gives the latest developments on the molecular, biochemical and genetic mechanisms of resistance by various mAbs, as well as discuss novel mAbs to overcome resistance.

Investigating Novel Therapies for Breast Cancers Resistant to Trastuzumab

Investigating Novel Therapies for Breast Cancers Resistant to Trastuzumab Book
Author : Banujan Balachandran
Publisher : Unknown
Release : 2013
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

"Approximately 20% of all metastatic breast cancers overexpress the HER-2 receptor, a cell surface-bound receptor tyrosine kinase upstream of crucial proliferation and cell survival pathways. Trastuzumab, a humanized monoclonal antibody binding to the extracellular domain of HER-2, has proven to be a beneficial treatment for patients diagnosed as HER-2+ but continues to have limitations. With low response rates for patients when administered alone and for patients having received prior chemotherapy, the true potential of trastuzumab seems to arrive only through combination therapies. However, the majority of advanced HER-2 positive breast cancer patients still develop resistance to the therapy by the end of the first year or present de novo resistance. For this reason, it is important to continue to investigate therapies to give in combination with trastuzumab to improve progression-free survival and overall survival in this clinical setting. Two Phase II Astra Zeneca compounds: AZD0530, a dual Src and Abl kinase inhibitor and AZD8931, a pan-erbb tyrosine kinase inhibitor abrogating EGFR-, HER-2-, and HER-3-mediated signaling were explored in this context using established trastuzumab-naïve and trastuzumab-resistant cell lines. AZD0530 was not effective when administered alone and any combinations with trastuzumab showed positive responses only in those models in which some form of response to AZD0530 alone had been seen. Clinically-relevant responses to AZD8931 were seen in all cell lines tested and for this reason a head-to-head comparison was carried out with lapatinib, the FDA-approved therapy for patients progressing on trastuzumab. AZD8931 alone and in combination with trastuzumab worked effectively to stop proliferation and induce cell death in both trastuzumab-naïve and trastuzumab-resistant cell lines at clinically relevant doses. AZD8931 had similar activity to lapatinib in the SKBR3-based ER-negative cell lines, but was less active in the BT474-based ER-positive cell lines. From this study, it appears AZD8931 is a therapeutic candidate for overcoming trastuzumab resistance but further investigation is required, before translation into the clinical setting, including the use of animal models of trastuzumab-resistance, specifically in the ER-negative subtype." --

Translational Research in Breast Cancer

Translational Research in Breast Cancer Book
Author : Dong-Young Noh
Publisher : Springer Nature
Release : 2021-10-22
ISBN : 9813296208
Language : En, Es, Fr & De

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Book Description :

Download Translational Research in Breast Cancer book written by Dong-Young Noh, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Monoclonal Antibodies Advances in Research and Application 2012 Edition

Monoclonal Antibodies   Advances in Research and Application  2012 Edition Book
Author : Anonim
Publisher : ScholarlyEditions
Release : 2012-12-26
ISBN : 148160516X
Language : En, Es, Fr & De

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Book Description :

Monoclonal Antibodies—Advances in Research and Application: 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Monoclonal Antibodies. The editors have built Monoclonal Antibodies—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Monoclonal Antibodies in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Monoclonal Antibodies—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

PDK 1 Akt Pathway as Targets for Chemosensitizing Effects

PDK 1 Akt Pathway as Targets for Chemosensitizing Effects Book
Author : Ping-Hui Tseng
Publisher : Unknown
Release : 2005
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Abstract: Cancer is the leading causes of human deaths all over the world. The growing understanding in cancer biology provides the researchers to develop molecularly targeted therapeutic strategies. However, the toxicity and resistance limit the applications for molecularly targeted agents. Here, we proposed that inhibiting PI3K/PDK-1/Akt signaling pathway, which is critical in controlling cell survival and proliferation, is able to enhance the therapeutic effects and overcome resistance of the current used molecularly targeted drugs. Imatinib (STI571; Gleevec), a selective bcr-abl tyrosine kinase inhibitor, is approved to treat patients with chronic myelogenous leukemia (CML). However, patients in more advanced phases of CML frequently develop resistance to the treatment. Mutations within the kinase domain for the binding of imatininb attributes as one of the major imatinib-resistant mechanisms. The effects of imatinib each alone and in combination with OSU-03012, a novel celecoxib-derived PDK-1 inhibitor, was evaluated in a panel of Bcr-Abl positive Ba/F3 cell lines without or with mutations. The IC50 values for OSU-03012 alone were comparable, while the sensitivities to imatinib alone were differed. The combination treatment, however, caused a synergistic enhancement of apoptosis in these cells, including those that are resistant to imatinib. HER2/neu is frequently over-expressed in breast cancers that are characterized by aggressive tumor progression and resistant to current therapies. The effects of trastuzumab (Herceptin), a monoclonal antibody targeting to HER2/neu, alone and in combination with OSU-03012 were evaluated in a panel of breast cancer cell lines. The IC50 values for OSU-03012 alone in four cell lines were comparable, while the sensitivities to trastuzumab alone were mainly dependent on the HER2/neu expression level or resistant phenotypes. The combination treatments, however, caused a synergistic enhancement of anti-proliferation in HER2/neu positive cell lines, including SKBR3/IGF-IR, as a resistant phenotype, that responded poorly to trastuzumab. These results demonstrate the potential clinical value of a therapeutic strategy to sensitize cancer cells to molecularly targeted drugs by co-targeting PDK-1/Akt signaling. More importantly, the co-treatments are able to overcome drug resistance.

Cancer Cell Signaling

Cancer Cell Signaling Book
Author : Kasirajan Ayyanathan
Publisher : CRC Press
Release : 2014-06-20
ISBN : 1482299453
Language : En, Es, Fr & De

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Book Description :

This title includes a number of Open Access chapters. Cell signaling is a field that studies how cells communicate to control basic activities and respond to their environment. When looking specifically at cancer cells, researchers can gain a better understanding of cancer on a cellular level, an understanding that may have implications for developing new treatments. The current volume provides an overview of the field and how various cell biology techniques are used to better understand cancer on a cellular level. This easily accessible reference volume offers a comprehensive look at the field of cancer cell signaling. Edited by a researcher from Florida Atlantic University, Cancer Cell Signaling: Targeting Signaling Pathways Towards Therapeutic Approaches to Cancer is an authoritative and easy-to-use reference.

Overcoming Ovarian Cancer Chemoresistance

Overcoming Ovarian Cancer Chemoresistance Book
Author : Goli Samimi,Christina Annunziata
Publisher : Academic Press
Release : 2020-11-06
ISBN : 0128198419
Language : En, Es, Fr & De

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Book Description :

Overcoming Ovarian Cancer Chemoresistance presents non-overlapping review chapters that discuss the state of the field in overcoming chemoresistance of ovarian cancer and treatment options before and following recurrence, considering the genetic makeup of the ovarian cancer patient and her tumor. With the uptake of both germline and somatic gene testing, clinicians can obtain a more comprehensive understanding of ovarian tumors and this book provides information to link the genetic makeup of a tumor (or patient) with the best available treatment. The book discusses topics such as strategies to fight chemo-resistance in ovarian cancer, circulating DNA as a monitor of response, BRCA mutations, ovarian cancer stem cells, immunotherapy and vaccines. Additionally, it brings a list of promising agents at clinical and pre-clinical stage that will impact the treatment in the near future. This book is a valuable source for cancer researchers, oncologists and several members of biomedical field who need to understand how to battle chemoresistance in ovarian cancer. Provides a comprehensive view of both biological and genetic determinants of resistance, as well as technical approaches to monitor response Discusses genetic reversions as a unique alteration and a new field of study Includes a chapter on upcoming and promising agents that are in the pre-clinical and early clinical space, to set the stage for future directions in the field

Translational Medicine

Translational Medicine Book
Author : Robert A. Meyers
Publisher : John Wiley & Sons
Release : 2016-04-29
ISBN : 3527681868
Language : En, Es, Fr & De

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Book Description :

The first complete overview of progress in the field. The two volumes contain selected articles from the prestigious online Encyclopedia of Molecular Cell Biology and Molecular Medicine, fully updated and enriched with numerous new contributions from many eminent scientists. Divided into three parts, the first gives a thorough introduction to cancer biology, while Part Two covers therapeutic approaches for all major forms of cancer, and the third part deals with cancer diagnostics. The result is a one-stop resource for advanced students, postdoctoral researchers and start-up companies.

Handbook of HER2 targeted agents in breast cancer

Handbook of HER2 targeted agents in breast cancer Book
Author : Ricardo H Alvarez,Javier Cortés,Leticia Mattos-Arruda,Mary Falzon,Angelica Fasolo,Michael Gandy,Luca Gianni,Nadia Harbeck,Martine Piccart,Stefania Zambelli,Dimitrios Zardavas
Publisher : Springer
Release : 2014-05-28
ISBN : 1907673946
Language : En, Es, Fr & De

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Book Description :

​Breast cancer is the most frequently diagnosed cancer and the leading cause of cancer death in women worldwide, accounting for nearly a quarter of the total new cancer cases each year. Of these cases, approximately 15–25% overexpress HER2, a transmembrane RTK kinase that is associated with aggressive tumor growth and poor outcomes. However, in the past decade, survival rates of patients with HER-positive breast cancer have significantly improved due to increased screening, HER2 testing, and breakthrough HER2-targeted drug therapies. Handbook of HER2-Targeted Agents in Breast Cancer provides oncologists, primary care physicians, trainees and other healthcare providers with a concise, accessible, and up-to-date survey of the field, including a review of our current understanding of the biology of the HER2 pathway and the rationale for targeting it in early-stage and advanced breast cancer, an overview of HER2-testing, and evidence-based discussions of available HER2-targeted regimens in the adjuvant and metastatic settings.

Breast Cancer

Breast Cancer Book
Author : Mehmet Gunduz,Esra Gunduz
Publisher : BoD – Books on Demand
Release : 2011-11-30
ISBN : 953307714X
Language : En, Es, Fr & De

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Book Description :

Cancer is the leading cause of death in most countries and its consequences result in huge economic, social and psychological burden. Breast cancer is the most frequently diagnosed cancer type and the leading cause of cancer death among females. In this book, we discussed various aspects of breast cancer carcinogenesis from clinics to its hormone-based as well as genetic-based etiologies for this deadly cancer. We hope that this book will contribute to the development of novel diagnostic as well as therapeutic approaches.

Nanostructures for Cancer Therapy

Nanostructures for Cancer Therapy Book
Author : Alexandru Mihai Grumezescu,Anton Ficai
Publisher : Elsevier
Release : 2017-04-11
ISBN : 0323461506
Language : En, Es, Fr & De

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Book Description :

Nanostructures for Cancer Therapy discusses the available preclinical and clinical nanoparticle technology platforms and their impact on cancer therapy, including current trends and developments in the use of nanostructured materials in chemotherapy and chemotherapeutics. In particular, coverage is given to the applications of gold nanoparticles and quantum dots in cancer therapies. In addition to the multifunctional nanomaterials involved in the treatment of cancer, other topics covered include nanocomposites that can target tumoral cells and the release of antitumoral therapeutic agents. The book is an up-to-date overview that covers the inorganic and organic nanostructures involved in the diagnostics and treatment of cancer. Provides an examination of nanoparticle delivery systems for cancer treatment, illustrating how the use of nanotechnology can help provide more effective chemotherapeutic treatments Examines, in detail, the different types of nanomaterials used in cancer therapy, also explaining the effect of each Provides a cogent overview of recent developments in the use of nanostructured materials in chemotherapeutics, allowing readers to quickly familiarize themselves with this area

Breast Disease

Breast Disease Book
Author : Adnan Aydiner,Abdullah İgci,Atilla Soran
Publisher : Springer
Release : 2016-05-09
ISBN : 331926012X
Language : En, Es, Fr & De

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Book Description :

This second volume of the handbook on breast disease provides a comprehensive overview of its clinical management and current therapies. It brings readers up to speed with the latest guidelines and therapeutic regimens in breast cancer and provides and in-depth account of current and new therapeutic approaches. Divided in themed parts, the book examines invasive breast cancer, pre-operative systemic therapy surgical management and recurrence among others, thus providing an in-depth account of breast cancer at the clinical stage. Among the themed parts are a section dedicated to special therapeutic problems, such as breast cancer in older women, Paget’s disease and phyllodes tumors, and a section on supportive and follow-up care. By adopting a multidisciplinary approach to breast cancer, this book is a must- have for breast cancer practitioners. With a high number of colored illustrations and edited by highly experienced clinicians, this work enables readers to gain an interdisciplinary perspective on breast diseases. Contributions from an international team of experts present invaluable insight into clinical practice across different settings. Covering both theoretical and practical aspects of breast cancer, this is a highly informative and carefully presented book which will appeal to an international audience of medical, radiation and surgical oncologists.

Cancer Drug Discovery

Cancer Drug Discovery Book
Author : Kyu-Won Kim,Jae Kyung Roh,Hee-Jun Wee,Chan Kim
Publisher : Springer
Release : 2016-11-14
ISBN : 9402408444
Language : En, Es, Fr & De

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Book Description :

The reader will discover a comprehensive and multifaceted overview of the history of the development of anticancer drugs deeply influenced by the cell concept of cancer and future directions for the development of new anticancer drugs. First, this book documents the scientific progress in biological science over the last 70 years and the influence this progress had in cancer research. Summaries and charts of important discoveries complete this overview. Furthermore, this book outlines the process of anticancer drug development with a focus on the characteristic drug groups of each era, related to advancements of chemistry and biological sciences. This book also provides brief mechanism of action of drugs, illustrated by comprehensive timelines and conceptual cartoons. This book finally sums up the limitations of the current anticancer drug development and seeks new directions for anticancer drug discovery, considering under the systemic view of cancer.

Breast Cancer Metastasis and Drug Resistance

Breast Cancer Metastasis and Drug Resistance Book
Author : Aamir Ahmad
Publisher : Springer Science & Business Media
Release : 2012-11-08
ISBN : 1461456479
Language : En, Es, Fr & De

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Book Description :

​This volume comprehensively covers recent prrogress in breast cancer research. In an effort to successfully treat breast cancer, it is imperative to a) fully understand the disease with all its heterogeneity, b) understand the factors that influence the metastasis of breast cancer to distant organs making it lethal and c) understand the underlying processes that lead to the phenomenon of drug-resistance making the disease particularly incurable. The book explores all of these issues, including the phenomenon of epithelial-mesenchymal-transition, cancer stem cells as well as microRNAs in an attempt to better understand the disease in connection to its heterogeneity/metastasis/drug-resistance as well as to propose novel signaling pathways for therapeutic intervention. The profiling of tumors to molecularly classify breast cancers is also investigated so that customized targeted therapies can be developed. ​

Resistance to Tyrosine Kinase Inhibitors

Resistance to Tyrosine Kinase Inhibitors Book
Author : Daniele Focosi
Publisher : Springer
Release : 2016-11-07
ISBN : 3319460919
Language : En, Es, Fr & De

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Book Description :

The volume will serve as a primer on tyrosine kinase signaling and its importance in cancer. The volume will first introduce the common denominators of small-molecule and antibody-derived inhibitors, as well as the general phenomenon of resistance. The volume will then detail resistance to the most commonly used classes of tyrosine kinase inhibitors, and will focus specific chapters on resistance to BCR-ABL1, FLT3, angiokinase family members, and ALK inhibitors.

Characterization of Molecular Mechanisms of Acquired Resistance to Trastuzumab in Gastric Cancer

Characterization of Molecular Mechanisms of Acquired Resistance to Trastuzumab in Gastric Cancer Book
Author : Aïda Sampera Borràs
Publisher : Unknown
Release : 2018
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The HER2 receptor is overexpressed in 7-34% of gastric cancer (GC) tumors, being a potential therapeutic target. Trastuzumab, an anti-HER2 monoclonal antibody, in combination with platinum therapy was approved in 2010 as first-line treatment for advanced GC tumors overexpressing HER2. Despite the clinical benefit of trastuzumab, development of acquired resistance to treatment limits the efficacy of trastuzumab. To study the mechanisms of trastuzumab acquired resistance we generated, upon chronic exposure to trastuzumab, a trastuzumab-resistant cell line derived from the human HER2-positive GC cell NCI-N87, hereafter named NTR2.4. The resistant phenotype of NTR2.4 cell line was associated with an increased basal activation of SRC, MAPK/ERK and PI3K/mTOR HER2 downstream pathways that persisted upon exposure to trastuzumab. Trastuzumab treatment induced a compensatory upregulation of HER3 and an increased expression of the HER family ligands EGF, AREG, HB-EGF, and NRG1 in NTR2.4 compared with the trastuzumab-sensitive NCI-N87 cell line. Ligand stimulation induced resistance to trastuzumab in NCI-N87 cells. These results were replicated in another model of trastuzumab-resistance, OTR6 cell line, suggesting an important role of HER receptor plasticity and HER family ligand in trastuzumab efficacy and resistance. Analysis of clinical samples from HER2-positive GC patients treated with trastuzumab showed higher EGF concentration in serum samples and increased EGF mRNA expression in tumor biopsies at trastuzumab progression compared with samples previous to trastuzumab treatment. Treatment with Pan-HER, a novel antibody mixture against EGFR, HER2, and HER3, was effective in both trastuzumab-sensitive and trastuzumab-resistant cell lines and also in the presence of ligands. Altogether, our results suggested that Pan-HER would be a potential candidate to overcome trastuzumab resistance in advanced GC patients.

Cancer Drug Resistance

Cancer Drug Resistance Book
Author : Beverly A. Teicher
Publisher : Springer Science & Business Media
Release : 2007-11-09
ISBN : 1597450359
Language : En, Es, Fr & De

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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.

Dendritic Cell Based Immunotherapy in Solid and Haematologic Tumors

Dendritic Cell Based Immunotherapy in Solid and Haematologic Tumors Book
Author : Jessica Dal Col,Alejandro López-Soto,Riccardo Dolcetti
Publisher : Frontiers Media SA
Release : 2020-06-04
ISBN : 2889637263
Language : En, Es, Fr & De

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Book Description :

Download Dendritic Cell Based Immunotherapy in Solid and Haematologic Tumors book written by Jessica Dal Col,Alejandro López-Soto,Riccardo Dolcetti, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.