Antibody Repertoire And Graft Outcome Following Solid Organ Transplantation

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Antibody Repertoire And Graft Outcome Following Solid Organ Transplantation

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Author : Narinder K. Mehra
language : en
Publisher: Frontiers Media SA
Release Date : 2017-07-25

Antibody Repertoire And Graft Outcome Following Solid Organ Transplantation written by Narinder K. Mehra and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-25 with categories.

The first real major breakthrough that laid the basis of HLA antibody detection in the field of solid organ transplantation, came with the introduction of the complement dependent cytotoxicity (CDC) test in 1964 by Terasaki and McClelland. Since then, methods for antibody detection have evolved remarkably from conventional cell-based assays to the current advanced solid phase systems on the Luminex platform, with increasing degree of sensitivity and specificity. The latter have been indispensable for more accurate identification of donor specific HLA antibodies in broadly reactive allo antisera, and to guide donor selection and kidney paired exchange programs through virtual crossmatching, in addition to serving as excellent tools for initiating pre-transplant desensitization and post- transplant antibody monitoring. Consensus is evolving on the optimal routine employment of these methods in donor selection strategies along with an understanding of the clinical relevance of antibodies detected by each of them. The immunoassays based on the Luminex platform and flow cytometric beads are however unable to discriminate complement fixing from non-complement fixing HLA antibodies. This is important because the former are considered clinically more pertinent in the peri-transplant period. The C1q assay which is a modification of the solid phase assay based on Luminex single antigen beads, which can be used effectively to monitor high dose IVIG desensitization is essentially a surrogate complement fixing assay, retaining the exquisite sensitivity and specificity of the Luminex platform. Currently, information obtained from these assays is preliminary and much needs to be done to standardize technologies and set a consensus ‘MFI cut off’ for antibody positivity. Besides the overriding influence of anti-HLA antibodies on overall solid organ graft survival, immune response to non-HLA antigens has become a topic of substantial interest in recent years. An ever expanding list of non-HLA antigens has been implicated in graft rejection for various organs, of which the most noted are the Major Histocompatibility Complex class I chain-related molecule A (MICA), Vimentin, Myosin, Angiotensin II type 1 receptor (AT1R), Tubulin and Collagen. MICA is one of the most polymorphic and extensively studied non-HLA antigenic targets especially in renal transplantation. Although there are clear indications of MICA antibodies being associated with adverse graft outcome, to date a definitive consensus on this relationship has not been agreed. Because MICA molecules are not expressed constitutively on immunocompetent cells such as T and B lymphocytes, it is of utmost importance to address the impact of MICA donor specific antibodies (DSA) as compared to those that are non- donor specific (NDSA) on graft outcome. The soluble isoform of MICA molecule (sMICA) that is derived from the proteolytic shedding of membrane bound molecules has the potential to engage the NK-cell activating receptor NKG2D and down-regulate its expression. Consequent to the interaction of NKG2D by sMICA, the receptor ligand complex is endocytosed and degraded and thus suppresses NKG2D mediated lysis of the target by NK cells. Thus interaction between NKG2D and sMICA leads to expansion of immunosuppressive/anergic T cells thereby resulting in suppression of NKG2D mediated host innate immunity. These concept support the possible involvement of an immunosuppressive role for sMICA during allotransplantation as shown recently for heart transplantation. This research topic focusses on the clinical utility of investigating the complete antibody repertoire in solid organ transplantation.

Structure Isotypes Targets And Post Translational Modifications Of Immunoglobulins And Their Role In Infection Inflammation And Autoimmunity

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Author : Sylvie Hermouet
language : en
Publisher: Frontiers Media SA
Release Date : 2020-10-09

Structure Isotypes Targets And Post Translational Modifications Of Immunoglobulins And Their Role In Infection Inflammation And Autoimmunity written by Sylvie Hermouet and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Medical categories.

This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.

Pathophysiology

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Author : David C. Gaze
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-05-30

Pathophysiology written by David C. Gaze and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-30 with Medical categories.

Pathophysiology is the convergence of pathology (the discipline of observed changes in a diseased state) with physiology (the mechanisms of systems operation). It represents the functional changes that occur because of injury or disease. This volume provides state-of-the-art up-to-date literature reviews on pathophysiological processes in a number of disease states. The book is organised methodically in a head-to-toe systems approach examining aspects of neuropathophysiology, endocrine pathophysiology, structural biology, renal pathophysiology and genitourinary pathophysiology. This short volume on pathophysiology is intended for general medical and biomedical students at both undergraduate and postgraduate levels. In addition, it is a useful short update of recent advances in research and translational biology to those working in academia or healthcare science.

Clinical Molecular Medicine

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Author : Dhavendra Kumar
language : en
Publisher: Academic Press
Release Date : 2019-11-30

Clinical Molecular Medicine written by Dhavendra Kumar and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-30 with Science categories.

Clinical Molecular Medicine: Principles and Practice presents the latest scientific advances in molecular and cellular biology, including the development of new and effective drug and biological therapies and diagnostic methods. The book provides medical and biomedical students and researchers with a clear and clinically relevant understanding on the molecular basis of human disease. With an increased focus on new practice concepts, such as stratified, personalized and precision medicine, this book is a valuable and much-needed resource that unites the core principles of molecular biology with the latest and most promising genomic advances. Illustrates the fundamental principles and therapeutic applications of molecular and cellular biology Offers a clinically focused account of molecular heterogeneity Includes comprehensive coverage of many different disorders, including growth and development, cardiovascular, metabolic, skin, blood, digestive, inflammatory, neuropsychiatric disorders, and many more

Current Perspectives In Kidney Diseases

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Author : G. La Manna
language : en
Publisher: Karger Medical and Scientific Publishers
Release Date : 2017-05-23

Current Perspectives In Kidney Diseases written by G. La Manna and has been published by Karger Medical and Scientific Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-23 with Medical categories.

After years of stagnation, much has been happening in the diagnosis and treatment of kidney diseases. This book contains a comprehensive review of the main developments in AKI, CKD, hemodialysis and kidney transplantation. The section on AKI deals with the key innovations in extracorporeal technologies. The section on nephrology and CKD concentrates on mineral metabolism alterations, restenosis in hemodialytic fistulas, mycophenolate mofetil as an alternative treatment for IgA nephropathy, and the genetics and progression of autosomal dominant polycystic kidney disease. The part on hemodialysis includes contributions on expanded hemodialysis, potassium profiling and home hemodialysis. Chapters on the treatment of acute antibody-mediated rejection after transplantation, pathogenesis and therapy of chronic allograft injury, and non-invasive surrogate biomarkers of acute rejection round out the subjects covered. Due to the wide variety of topics included in each section, this book is not only of interest to nephrologists, but also to professionals from related fields.

Therapeutic Immunosuppression

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Author : A.W. Thomson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Therapeutic Immunosuppression written by A.W. Thomson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.

Therapeutic immunosuppression has very broad applications in clinical medicine, ranging from prevention and treatment of organ and bone marrow transplant rejection, management of various autoimmune disorders (e.g., rheumatoid arthritis), skin disease, and asthma. Whereas traditionally only a small repertoire of immunosuppressive agents was available for clinical use, recent discoveries have significantly increased the number of approved agents, resulting in numerous trials to further evaluate their potential. In addition, products of the biotechnology industry - monoclonal antibodies, cytokines, cytokine antagonists, and other products of genetic engineering that target key molecular pathways in disease pathogenesis - have either already made, or are on the verge of making an important impact on treatment. There is also considerable interest in the potential of cell-based therapies (particularly hematopoietic stem and dendritic cell therapy) of allo- and autoimmunity. Important recent advances in the immunotherapy of allergic diseases are also covered in this book. Gene therapy offers considerable promise for suppressing pathogenic processes in either transplantation or autoimmune disorders. The possibility of combining these important new advances to maximize benefit to the patient, and to minimize possible untoward effects (which are also given extensive coverage in this book), is one of the most exciting challenges of contemporary medicine. This volume is intended both for practising physicians and surgeons and for biomedical scientists at the graduate/postdoctoral levels, and is designed to provide the theory behind these various approaches to immunosuppression, and to provide state-of-the-art reviews of current developments in each area. Each chapter is contributed by one or more experts in the field. There was a need to bring this information together in a single volume, as much of the key recent developments have been dispersed throughout the biomedical literature, largely in specialized journals. Since, as in the past, important developments in immunosuppressive therapy in one branch of medicine (i.e. transplantation) are likely to benefit another (e.g., dermatology, rheumatology, gastroenterology), cross-disciplinary coverage of the mechanistic basis of the various therapeutic strategies in a single volume is likely to convey the potential of advances in therapy in the most coherent manner possible.

Contemporary Bone Marrow Transplantation

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Author : Mammen Chandy
language : en
Publisher: Springer
Release Date : 2021-03-25

Contemporary Bone Marrow Transplantation written by Mammen Chandy and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-25 with Medical categories.

Bone Marrow transplantation or Hematopoietic stem cell transplantation is a life saving procedure in a number of diseases,hematological and non hematological, which fail alternative medical management or have no other treatment options. It has transformed the lives of thousands of patients and their families around the world battling with fatal or debilitating diseases.There are many unique aspects of bone marrow transplantation which makes it very different from solid organ transplants. There is an enormous amount of research going on in this field both at clinical and basic science levels.With the rapidly changing world and field of transplantation, there is a need for an authoritative and up to date resource for transplant professionals. This book titled Contemporary Bone Marrow Transplantation aims to be a reference text comprehensively covering various facets of hematopoietic stem cell transplants with latest insights about the technique and basic science behind it . The book is the product of collective effort of transplant professionals round the world, and will reflect their experience as well as the current standard of care practices in Stem cell transplantation.The book will be divided into different sections focusing on the basic science of bone marrow transplant, the technical aspects of the procedure itself and the supportive care of transplant patients.There will also be a section each on epidemiology, upcoming trends and also case studies , which will discuss real case scenarios from the experience of the authors, to illustrate the practical challenges in managing bone marrow transplant recipients.

Chronic Graft Versus Host Disease

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Author : Georgia B. Vogelsang
language : en
Publisher: Cambridge University Press
Release Date : 2009-04-20

Chronic Graft Versus Host Disease written by Georgia B. Vogelsang and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-20 with Medical categories.

Chronic graft versus host disease (GVHD) is the most common complication of allogenic bone marrow transplantation. Because of the protracted clinical course of chronic GVHD, transplant centers and hematology/oncology offices are inadequately equipped to manage these immuno-incompetent patients with a multi-system disorder. Practitioners need to be able to recognize and effectively manage chronic GVHD as a late effect of more than half of allogenic transplantations. The text is oriented for the clinician, with chapters covering staging, organ site and system-specific manifestations, treatment options, and supportive care. Drs Georgia B. Vogelsang and Steven Z. Pavletic have been pioneers in the recognition of the multi-organ complexity of this disease and have gathered the input of a variety of subspecialist physicians for this book. This book fills the gap in practical literature on chronic GVHD, providing a comprehensive, up-to-date, and clinically relevant resource for anyone who deals with cancer patients post-transplant.

Textbook Of Organ Transplantation Set

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Author : Allan D. Kirk
language : en
Publisher: John Wiley & Sons
Release Date : 2014-07-21

Textbook Of Organ Transplantation Set written by Allan D. Kirk and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-21 with Medical categories.

Brought to you by the world’s leading transplantclinicians, Textbook of Organ Transplantation provides acomplete and comprehensive overview of modern transplantation inall its complexity, from basic science to gold-standard surgicaltechniques to post-operative care, and from likely outcomes toconsiderations for transplant program administration, bioethics andhealth policy. Beautifully produced in full color throughout, and with over 600high-quality illustrations, it successfully: Provides a solid overview of what transplantclinicians/surgeons do, and with topics presented in an order thata clinician will encounter them. Presents a holistic look at transplantation, foregrounding theinterrelationships between transplant team members and non-surgicalclinicians in the subspecialties relevant to pre- andpost-operative patient care, such as gastroenterology, nephrology,and cardiology. Offers a focused look at pediatric transplantation, andidentifies the ways in which it significantly differs fromtransplantation in adults. Includes coverage of essential non-clinical topics such astransplant program management and administration; research designand data collection; transplant policy and bioethical issues. Textbook of Organ Transplantation is the market-leadingand definitive transplantation reference work, and essentialreading for all transplant surgeons, transplant clinicians, programadministrators, basic and clinical investigators and any othermembers of the transplantation team responsible for the clinicalmanagement or scientific study of transplant patients.

Beyond Histocompatibility Understanding The Non Mhc Determinants Shaping Transplantation Outcome And Tolerance Induction

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Author : Heth Roderick Turnquist
language : en
Publisher: Frontiers Media SA
Release Date : 2021-10-22

Beyond Histocompatibility Understanding The Non Mhc Determinants Shaping Transplantation Outcome And Tolerance Induction written by Heth Roderick Turnquist and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-22 with Medical categories.