Flow Cytometry – Principle, Process, Uses

Flow cytometry Principle, Process, Uses

What is Flow cytometry? Flow cytometry Instrumentation Flow cytometry Principle Information Obtained from Flow cytometry  The flow cytometer has various clinical and scientific applications. The determination of the type and amount of white blood cells in blood samples is a typical clinical application. By treating properly processed blood samples with a fluorescently tagged antibody and … Read more

Tumor – Types, Tumor Antigens, Risk Factors

Tumors - Types, Tumor Antigens, Risk Factors

What is a tumor? Risk factors for tumors Types of Tumors There is three types of Tumors such as; 1. Cancerous or Malignant Tumor Types of malignant tumors Examples of Cancerous or Malignant Tumor 2. Noncancerous or Benign Types of benign tumors Examples of Noncancerous or Benign Adenomas Fibroids Fibroids, also known as fibromas, are … Read more

Immunotherapy For Tumors

Immunotherapy For Tumors

Oncologists and immunologists have long been optimistic about the potential of immunologic techniques to treat cancer patients. The primary interest in an immunologic approach stems from the fact that the majority of existing cancer treatments rely on medications that kill dividing cells or stop cell division, and these treatments have severe side effects on normal … Read more

Chronic granulomatous disease (CGD) 

Chronic granulomatous disease (CGD) 

Chronic granulomatous disease (CGD) Chronic granulomatous disease (CGD) is an uncommon inherited primary immunological weakness that affects particular white blood cells (neutrophils, monocytes, macrophages, eosinophils). The illness is characterised by a failure to resist certain bacterial and fungal infections and a propensity to develop persistent inflammation. Life-threatening recurrent fungal and bacterial infections affecting the skin, … Read more

Immunodeficiencies – Definition, Types, Animal models(Nude and SCID mice)

Immunodeficiencies - Definition, Types, Animal models(Nude and SCID mice)

What is Immunodeficiency? General Features Of Immunodeficiency Diseases Prior to beginning our examination of specific disorders, it is necessary to review some common characteristics of immunodeficiencies. Classification of Immunodeficiency Immunodeficiency diseases are categorised as A. Congenital or Primary Immunodeficiencies 1. B-Cell Immunodeficiencies (a) X-linked hypogammaglobulinemia, (b) selective immunoglobulin deficiencies, (c) hyperIgM syndrome, and (d) interleukin-12 … Read more

Animal Models for Autoimmune Diseases

Animal Models for Autoimmune Diseases

Animal models of autoimmune illnesses have provided invaluable insights into the mechanism of autoimmunity, human autoimmunity, and prospective therapies. Certain inbred animal breeds develop autoimmunity naturally, and autoimmunity can also be caused by certain experimental procedures. Autoimmunity Can Develop Spontaneously in Animals Autoimmunity Can Be Induced Experimentally in Animals

Hypersensitivity – Definition, Types, Mechanisms, Examples

Hypersensitivity - Definition, Types, Mechanisms, Examples

What is Hypersensitivity? Definition of Hypersensitivity Hypersensitivity is an abnormal and exaggerated response of the immune system to a substance (antigen) that is usually harmless. It can lead to allergic reactions and immune-related diseases. Causes Of Hypersensitivity Diseases Hypersensitivity is caused by various immune responses that can be triggered by different types of antigens. The … Read more

Cytotoxic T cells – Development, Activation, Functions

Cytotoxic T cells

What is a Cytotoxic T cell? Development of CD8+ T cells Effector CTLs Are Generated from CTL Precursors Activation and differentiation of CD8+ T cells Cytotoxicity Mediated by CD8+ T Role in anti-viral immunity Role in anti-tumor immunity What are Memory CD8+ T cells? All of these effector and memory subsets work together to generate … Read more

Cell Mediated Immune Response 

Cell Mediated Immune Response 

Cell-Mediated Immunity Definition CMI is an unique sort of acquired immune response that is not mediated by antibodies but rather by sensitised T cells. This type of immunity is passed from donor to recipient without the need of antisera, but rather with intact lymphocytes; therefore, it is referred to as cell-mediated immune reaction. Contrary to … Read more

Immunological Tolerance – Definition, Mechanism, Types

Immunological Tolerance - Definition, Mechanism, Types

Definition of Immunological Tolerance Immunological tolerance is a state of specific immunologic nonreactivity to a specific antigen to which an individual has been previously exposed. Immune tolerance stops the immune system from responding to self-antigens. Mechanisms of Tolerance The proposed mechanisms of tolerance are clonal deletion, clonal anergy, and suppression. Clonal deletion: Clones of B … Read more

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