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Author: Monika Schäfer-Korting
Publisher: Springer Nature
ISBN: 3030700631
Category : Medical
Languages : en
Pages : 325
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Book Description
This book provides latest findings in organotypic models in drug development and provides the scientific resonance needed in an emerging field of research in disciplines, such as molecular medicine, physiology, and pathophysiology. Today the research on human-based test systems has gained major interest and funding in the EU and the US has increased over the last years. Moreover, so-called 3R (reduce, replace, refine animal experiments) centres have been established worldwide.
Author: Monika Schäfer-Korting
Publisher: Springer Nature
ISBN: 3030700631
Category : Medical
Languages : en
Pages : 325
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Book Description
This book provides latest findings in organotypic models in drug development and provides the scientific resonance needed in an emerging field of research in disciplines, such as molecular medicine, physiology, and pathophysiology. Today the research on human-based test systems has gained major interest and funding in the EU and the US has increased over the last years. Moreover, so-called 3R (reduce, replace, refine animal experiments) centres have been established worldwide.
Author: José Miguel Vela
Publisher: John Wiley & Sons
ISBN: 3527333282
Category : Medical
Languages : en
Pages : 600
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Book Description
This one-stop reference is the first to present the complete picture -- covering all relevant organisms, from single cells to mammals, as well as all major disease areas, including neurological disorders, cancer and infectious diseases. Addressing the needs of the pharmaceutical industry, this unique handbook adopts a broad perspective on the use of animals in the early part of the drug development process, including regulatory rules and limitations, as well as numerous examples from real-life drug development projects. After a general introduction to the topic, the expert contributors from research-driven pharmaceutical companies discuss the basic considerations of using animal models, including ethical issues. The main part of the book systematically surveys the most important disease areas for current drug development, from cardiovascular to endocrine disorders, and from infectious to neurological diseases. For each area, the availability of animal models for target validation, hit finding and lead profiling is reviewed, backed by numerous examples of both successes and failures among the use of animal models. The whole is rounded off with a discussion of perspectives and challenges. Key knowledge for drug researchers in industry as well as academia.
Author: Fabio Bagnoli
Publisher:
ISBN: 9783030624538
Category : Biological models
Languages : en
Pages :
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Book Description
This edited volume discusses the application of very diverse human organotypic models in major areas of biomedical research. The authors lay a main focus on infectious diseases, cancer, allergies, as well as drug/vaccine discovery and toxicology studies. Representing a valid alternative to laboratory animals, these models are relevant for most areas of translational research. As the contemporary research shows, many human tissues can today be cultivated in vitro and used for several research objectives. This book provides an unprecedented overview of recent developments in an exciting field of research methodology. It is a reference guide for scientists in both academia and industry. Readers can update their knowledge and get hands-on recommendations on how to set up an organotypic model in their lab. Chapters 'Progress on Reconstructed Human Skin Models for Allergy Research and Identifying Contact Sensitizers' and 'Human Organotypic Models for Anti-infective Research' of this book are available open access under a CC BY 4.0 license at link.springer.com.
Author: Fabio Bagnoli
Publisher: Springer Nature
ISBN: 3030624528
Category : Medical
Languages : en
Pages : 265
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Book Description
This edited volume discusses the application of very diverse human organotypic models in major areas of biomedical research. The authors lay a main focus on infectious diseases, cancer, allergies, as well as drug/vaccine discovery and toxicology studies. Representing a valid alternative to laboratory animals, these models are relevant for most areas of translational research. As the contemporary research shows, many human tissues can today be cultivated in vitro and used for several research objectives. This book provides an unprecedented overview of recent developments in an exciting field of research methodology. It is a reference guide for scientists in both academia and industry. Readers can update their knowledge and get hands-on recommendations on how to set up an organotypic model in their lab. Chapters 'Progress on Reconstructed Human Skin Models for Allergy Research and Identifying Contact Sensitizers' and 'Human Organotypic Models for Anti-infective Research' of this book are available open access under a CC BY 4.0 license at link.springer.com.
Author: Sunil Singh
Publisher:
ISBN:
Category : Breast
Languages : en
Pages : 0
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Book Description
Cancer is the second leading cause of mortality in the United States. The National Cancer Institute estimated 1.7 million new cases of cancer and 0.6 million cancer deaths in the United States in 2019. Cancer is a heterogeneous disease that involves not only cancer cells, but also different cells and proteins in the tumor stroma. Various cells such as fibroblasts, infiltrating immune cells, and endothelial cells, the extracellular matrix (ECM) proteins, growth factors, chemokines, cytokines, and other bioactive agents constitute the tumor microenvironment (TME). Traditional cancer treatments only target cancer cells but growing evidence has established pivotal roles for the TME in driving tumor progression and chemoresistance. As such, targeting the TME and its interactions with cancer cells (known as tumor-stromal interactions) is now being pursued as a new approach to improve treatment outcomes for patients. However, preclinical models such as standard in vitro cell cultures and animal models routinely used in cancer drug discovery fail to recapitulate tumor-stromal interactions of human tumors. To overcome limitations of existing tumor models, we developed a three-dimensional (3D) organotypic tumor model that enables mechanistic studies of tumor-stromal interactions to enable drug discovery efforts against the TME. The organotypic model incorporates three key components of the TME: a mass of cancer cells, fibroblasts, and collagen as the ECM. The resulting model resembles the architecture of solid tumors and spatial distribution of cells within the TME. We used a novel cell and protein micropatterning approach based on an aqueous two-phase system (ATPS) to first generate a cancer cell spheroid and then overlay it with a collagen solution containing fibroblasts. We automated this technology and adapted it to a high throughput 384-well plate format to enable both mechanistic and phenotypic studies of tumor-stromal interactions and testing arrays of drugs. We focused on triple negative breast cancer (TNBC) as a disease model because TNBC is the most aggressive subtype of breast cancer with very limited targeted therapy options and poor patient outcomes from cytotoxic chemotherapies, underscoring an unmet need for new treatment strategies. We leveraged our organotypic tumor model to demonstrate the feasibility of mechanistic studies of tumor-stromal interactions in TNBC, focusing on cancer-associated fibroblasts (CAFs) as the most abundant stromal cells in breast tumors. To establish the validity of our model, we used a well-known chemokine-receptor interaction mechanism in TNBC. Specifically, we showed that fibroblasts-secreted CXCL12 chemokine promotes the ECM invasion of CXCR4+ TNBC cells by activating oncogenic mitogen-activated protein kinase (MAPK) pathway. Additionally, the fibroblast cells remodeled the ECM through the RhoA/ROCK/myosin light chain-2 pathway. Following the validation step, we incorporated patient-derived CAFs in our model and studied their dynamic interactions with TNBC cells to explore whether CAFs-TNBC interactions would present therapy targets. Our mechanistic studies showed that hepatocyte growth factor (HGF) secreted by CAFs predominantly activates MET receptor tyrosine kinase on TNBC cells to promote proliferation, invasiveness, and epithelial-to-mesenchymal transition (EMT) of TNBC cells. This interaction axis led to activation of oncogenic pathways such as MAPK, phosphatidylinositol 3-kinase-Akt (PI3K/Akt), and signal transducer and activator of transcription (STAT) in TNBC cells. Importantly, we found that TNBC cells become resistant to single-agent treatment with a potent MAPK pathway inhibitor (trametinib) and demonstrated a design-driven approach to select drug combinations that effectively inhibit pro-metastatic functions of TNBC cells. We also demonstrated that the HGF-MET axis is implicated in lung metastasis of TNBC and that blocking this signaling axis is a potential approach against both primary TNBC tumorigenesis and metastases formation in the lung. Future studies are needed to study long-term effectiveness of drug combinations in our organotypic tumor model. Overall, this work established the utility of our 3D organotypic tumor model to elucidate the role of tumor stroma in promoting pro-metastatic functions of TNBC cells, thereby facilitating the design and development of novel therapeutic approaches against tumor-stromal interactions. This technology will facilitate future studies to incorporate other components of tumor stroma and patient-derived cancer and stromal cells to expedite the translation of the findings.
Author: Shay Soker
Publisher: Humana Press
ISBN: 3319605119
Category : Medical
Languages : en
Pages : 213
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Book Description
Cancer cell biology research in general, and anti-cancer drug development specifically, still relies on standard cell culture techniques that place the cells in an unnatural environment. As a consequence, growing tumor cells in plastic dishes places a selective pressure that substantially alters their original molecular and phenotypic properties.The emerging field of regenerative medicine has developed bioengineered tissue platforms that can better mimic the structure and cellular heterogeneity of in vivo tissue, and are suitable for tumor bioengineering research. Microengineering technologies have resulted in advanced methods for creating and culturing 3-D human tissue. By encapsulating the respective cell type or combining several cell types to form tissues, these model organs can be viable for longer periods of time and are cultured to develop functional properties similar to native tissues. This approach recapitulates the dynamic role of cell–cell, cell–ECM, and mechanical interactions inside the tumor. Further incorporation of cells representative of the tumor stroma, such as endothelial cells (EC) and tumor fibroblasts, can mimic the in vivo tumor microenvironment. Collectively, bioengineered tumors create an important resource for the in vitro study of tumor growth in 3D including tumor biomechanics and the effects of anti-cancer drugs on 3D tumor tissue. These technologies have the potential to overcome current limitations to genetic and histological tumor classification and development of personalized therapies.
Author: Taosheng Chen
Publisher: BoD – Books on Demand
ISBN: 9535127993
Category : Medical
Languages : en
Pages : 192
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Book Description
Drug discovery involves multiple disciplines, technologies, and approaches. This book selects important topics related to drug discovery, including emerging tool (Chapter 1), cutting-edge approaches (Chapters 2, 3, and 4), examples of specific therapeutic area (Chapter 5), quality control in drug development (Chapter 6), and job and career opportunities in the pharmaceutical sector, a topic rarely covered by other books (Chapter 7). This book draws knowledge from experts actively involved in different areas of drug discovery from both industrial and academic settings. We hope that this book will facilitate your efforts in drug discovery.
Author: Luigi Bonacina
Publisher: Frontiers Media SA
ISBN: 2889666921
Category : Science
Languages : en
Pages : 153
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Book Description
Dr. Davide Staedler is CEO of TIBIO Sagl, a consulting company, and chief scientific officer of Scitec Research S.A., a private analytical laboratory. All other Topic Editors declare no competing interests with regards to the Research Topic subject.
Author: Kitty Verhoeckx
Publisher: Springer
ISBN: 3319161040
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
“Infogest” (Improving Health Properties of Food by Sharing our Knowledge on the Digestive Process) is an EU COST action/network in the domain of Food and Agriculture that will last for 4 years from April 4, 2011. Infogest aims at building an open international network of institutes undertaking multidisciplinary basic research on food digestion gathering scientists from different origins (food scientists, gut physiologists, nutritionists...). The network gathers 70 partners from academia, corresponding to a total of 29 countries. The three main scientific goals are: Identify the beneficial food components released in the gut during digestion; Support the effect of beneficial food components on human health; Promote harmonization of currently used digestion models Infogest meetings highlighted the need for a publication that would provide researchers with an insight into the advantages and disadvantages associated with the use of respective in vitro and ex vivo assays to evaluate the effects of foods and food bioactives on health. Such assays are particularly important in situations where a large number of foods/bioactives need to be screened rapidly and in a cost effective manner in order to ultimately identify lead foods/bioactives that can be the subject of in vivo assays. The book is an asset to researchers wishing to study the health benefits of their foods and food bioactives of interest and highlights which in vitro/ex vivo assays are of greatest relevance to their goals, what sort of outputs/data can be generated and, as noted above, highlight the strengths and weaknesses of the various assays. It is also an important resource for undergraduate students in the ‘food and health’ arena.
Author:
Publisher: Academic Press
ISBN: 0123860164
Category : Science
Languages : en
Pages : 523
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Book Description
First published in 1943, Vitamins and Hormones is the longest-running serial published by Academic Press. The Editorial Board now reflects expertise in the field of hormone action, vitamin action, X-ray crystal structure, physiology and enzyme mechanisms. Under the capable and qualified editorial leadership of Dr. Gerald Litwack, Vitamins and Hormones continues to publish cutting-edge reviews of interest to endocrinologists, biochemists, nutritionists, pharmacologists, cell biologists and molecular biologists. Others interested in the structure and function of biologically active molecules like hormones and vitamins will, as always, turn to this series for comprehensive reviews by leading contributors to this and related disciplines. This volume focuses on stem cell regulators. Longest running series published by Academic Press Contributions by leading international authorities
