NK cells in cancer immunotherapy Books

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NK Cell Based Cancer Immunotherapy


NK Cell Based Cancer Immunotherapy
  • Author : Francisco Borrego
  • Publisher : Frontiers Media SA
  • Release : 2016-09-08
  • ISBN : 9782889199341
  • Language : En, Es, Fr & De
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Natural killer (NK) cells are innate lymphoid cells that have a significant role in regulating the defenses against cancer development and certain viral infections. They are equipped with an array of activating and inhibitory receptors that stimulate or diminish NK cell activity, respectively. Inhibitory receptors include, among others, the MHC class I ligands killer cell immunoglobulin-like receptors (KIR) in humans, and members of the Ly49 family of receptors in mice, and CD94/NKG2A. Activating receptors include cytokine and chemokine receptors, and those that interact with ligands expressed on target cells, such as the natural cytotoxicity receptors or NCRs (NKp30, NKp44 and NKp46), NKG2D, CD244 and DNAM-1. In addition, NK cells express Fc?RIIIA or CD16, the receptor that exerts antibody-dependent cell mediated cytotoxicity (ADCC). NK cells also express the death ligands FasL and TRAIL. The killing or sparing of target cells depends on the integration of distinct signals that originate from NK cell receptors. NK cells spare healthy cells that express normal levels of MHC class I molecules and low amounts of stress-induced self-molecules, whereas they kill target cells that down-regulate MHC class I molecules and/or up-regulate stress-induced self-molecules. The latter are common signatures of virus-infected cells and tumors. All the accumulated knowledge on NK cell biology, along with many clinical observations, is driving multiple efforts to improve the arsenal of NK cell-based therapeutic tools in the fight against malignant diseases. Indeed, NK cell-based immunotherapy is becoming a promising approach for the treatment of many cancers. It is well known that NK cells have a significant role in the anti-tumor effect of therapeutic antibodies that use ADCC as a mechanism of action. In addition to this, administration of autologous and allogeneic NK cells after activation and expansion ex vivo is used in the treatment of cancer. Moreover, adoptive transfer of NK cell lines has been tested in humans, and genetically modified NK cells expressing chimeric antigen receptors are being studied in preclinical models for potential use in the clinic.

NK Cells in Cancer Immunotherapy


NK Cells in Cancer Immunotherapy
  • Author : Lynda Addou-Klouche
  • Publisher :
  • Release : 2017
  • ISBN : OCLC:1154268044
  • Language : En, Es, Fr & De
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Natural killer (NK) cells are crucial components of the innate immune system and play critical roles in host immunity against viral infections and cancer. NK cells' activity is controlled by the interaction of a wide range of receptors expressed on their surfaces with cell surface ligands. Opposite signals delivered by inhibitory and activating receptors tightly regulate NK cells' cytotoxicity. Natural killer cells can discriminate between normal and cancer cells. NK cells are known to directly recognize and kill malignant cells or induce apoptosis. However, tumor cells have the ability to evade those attacks. The main mechanisms involve the lack of expression or downregulation of the expression of major histocompatibility complex (MHC) class I molecules and secretion of soluble NKG2D ligands by tumor cells. Furthermore, tumors harbor a population of cancer stem cells (CSCs), which can drive tumor progression and therapeutical resistance. This chapter highlights the roles of NK cells in tumor immunosurveillance and their applications for cancer immunotherapy. NK cell biology and function as well as the role of their receptor interactions will be described. We will discuss the therapeutic applications of NK cells in cancer and NK cells targeting CSCs as a promising strategy for cancer therapy.

Oncoimmunology


Oncoimmunology
  • Author : Laurence Zitvogel
  • Publisher : Springer
  • Release : 2017-12-13
  • ISBN : 9783319624310
  • Language : En, Es, Fr & De
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In this book, leading experts in cancer immunotherapy join forces to provide a comprehensive guide that sets out the main principles of oncoimmunology and examines the latest advances and their implications for clinical practice, focusing in particular on drugs with FDA/EMA approvals and breakthrough status. The aim is to deliver a landmark educational tool that will serve as the definitive reference for MD and PhD students while also meeting the needs of established researchers and healthcare professionals. Immunotherapy-based approaches are now inducing long-lasting clinical responses across multiple histological types of neoplasia, in previously difficult-to-treat metastatic cancers. The future challenges for oncologists are to understand and exploit the cellular and molecular components of complex immune networks, to optimize combinatorial regimens, to avoid immune-related side effects, and to plan immunomonitoring studies for biomarker discovery. The editors hope that this book will guide future and established health professionals toward the effective application of cancer immunology and immunotherapy and contribute significantly to further progress in the field.

Immunotherapy


Immunotherapy
  • Author : Krassimir Metodiev
  • Publisher : BoD – Books on Demand
  • Release : 2017-04-26
  • ISBN : 9789535131052
  • Language : En, Es, Fr & De
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This is another attempt of InTechOpen to continue the dissemination of international knowledge and experience in the field of immunology. The present book includes a number of modern concepts of specialists and experts in the field of immunotherapy, covering the major topics and analyzing the history, current stage, and future ideas of application of modern immunomodulation. It is always a benefit, but also a compliment, to gather a team of internationally distinguished authors and to motivate them to reveal their expertise for the benefit of medical science and health practice. On behalf of all readers, immunologists, immunogeneticists, biologists, oncologists, microbiologists, virologists, hematologists, chemotherapists, health-care experts, as well as students and medical specialists, also on my personal behalf, I would like to extend my gratitude and highest appreciation to InTechOpen for giving me the unique chance to be the editor of this exclusive book.

The Memory Activation of NK Cells New Methods in Cancer Immunotherapy


The Memory Activation of NK Cells  New Methods in Cancer Immunotherapy
  • Author : Gheorghita Isvoranu
  • Publisher :
  • Release : 2017
  • ISBN : OCLC:1154199679
  • Language : En, Es, Fr & De
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Cancer remains a main cause of mortality, despite the research efforts to unravel molecular mechanisms and for developing personalized targeted therapies with acceptable side effects. In cancer, both players, the aggressor (tumor cells) and the endogenous defenders (immune cells), are key therapeutic targets. Immunotherapy is nowadays considered the fourth therapeutical approach in cancer, complementing and sometimes replacing surgery and chemo- and radiotherapy. Natural killer (NK) cells, generally considered part of the innate immune system, play a critical role in defense against pathogens and tumors. Immunological memory is a hallmark of the adaptive immune system. However, NK cells have been shown to mediate Ag-specific recall responses and acquire immunological memory in a manner similar to that of T and B cells. This chapter summarizes evidence for NK cell immunotherapy, evidence and characteristics of NK cell memory and mechanisms involved in the generation and survival of these cells. There is no doubt that NK cells have major role in cancer treatments and viral infections, and in the future, NK cell immunotherapy from "a new hope" may become "a reality" for malignant diseases.