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In this article, I briefly describe the induction of immune tolerance in organ transplantation. The process of organ transplantation remains limited by immune-mediated graft rejection, prompting extensive efforts to understand and control host immune responses. Allograft Acceptance Without Immunosuppression The recipient’s immune system may occasionally accept an allograft with minimal or no immunosuppressive therapy. This … Read more >>
In this article, I briefly describe the types of therapeutic approaches to immune suppression. Therapeutic approaches to immune suppression encompass a broad range of strategies designed to prevent or modulate the host’s immune response against transplanted tissues. These interventions target key cellular and molecular pathways involved in allorecognition, aiming to preserve graft function while minimizing … Read more >>
In this article, I briefly describe the immunological mechanisms underlying graft rejection. Graft rejection is a complex immune reaction in which the recipient’s immune system identifies the transplanted tissue as foreign and mounts a defense against it. Understanding the immunological pathways underlying this response, from T-cell activation to antibody-mediated injury, is essential for improving transplant … Read more >>
In this article, I briefly describe the pre-transplantation tests necessary before organ transplantation. Transplantation success depends primarily on the immune compatibility between the donor and recipient. Because the immune system is designed to recognize and attack foreign tissues, several detailed tests are required to minimize the risk of graft rejection. These compatibility assessments form the … Read more >>
In this article, I briefly describe various immunotherapies for the treatment of cancer. These therapies focus on stimulating the immune system to recognize and attack cancer cells. Immunotherapies work by generating signals or immune cells that direct the body’s defense mechanisms toward effectively targeting and eliminating tumors. Toward Immunotherapy There are many therapies adapted for … Read more >>
In this article, I briefly describe tumor immune escape mechanisms and apoptotic resistance. Tumor cells evade immune surveillance and resist apoptosis through multiple interconnected mechanisms, promoting survival and progression. Understanding these strategies is essential for advancing effective cancer immunotherapies. The Dual Role of Immune Response The immune system operates through a delicate balance of activating … Read more >>
In this article, I briefly describe quantitative cell analysis using flow cytometry. Flow Cytometry Flow cytometry, first developed in the early 1980s by Leonore Herzenberg and colleagues, quickly emerged as a powerful analytical tool in cell biology and immunology. One of its earliest and most significant applications was the analysis of lymphocyte subpopulations in patients … Read more >>
In this article, I briefly describe the conventional imaging techniques based on immunofluorescence. These techniques use fluorescently labeled antibodies to visualize specific proteins or other biomolecules within cells and tissues. These methods provide valuable insights into cellular structure, localization of molecules, and biological processes under a microscope. Fluorescence-Based Antibody Imaging Techniques Fluorescence microscopy allows precise … Read more >>
In this article, I briefly describe the role of the invariant chain in guiding the transport of class-II MHC molecules from the rough endoplasmic reticulum to late endosomes. It plays a role in immune defense. The Invariant Chain: An essential chaperone in antigen presentation The immune system functions through a finely tuned interplay of molecules … Read more >>
In this article, I briefly describe how HIV infects its host by using its coreceptors. Human Immunodeficiency Virus (HIV) Acquired immunodeficiency syndrome (AIDS) is a severe immunodeficiency caused by the human immunodeficiency virus (HIV). This syndrome was first recognized because of opportunistic infections in a cluster of individuals in the USA in 1981. This group … Read more >>