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Antibodies and the Immune Response - Human Immune System

antibodies immune response

B cells

The main function of B cells is to produce antibodies. Antibodies are complex molecules produced by the immune system in response to antigens. As mentioned previously, antigens are foreign proteins or glycoproteins (a sugar linked to a protein) that trigger the immune response. Every living cell produces several different proteins, each unique to its own cell type and species. The antibody produced against the antigen is entirely specific to that antigen. (more…)

The Immunological Process in an Allergic Reaction

immunological allergic reaction
Allergens are the trigger for human body allergic reaction. It is one of human immunological process to react for invader substance. We find most allergens are common in our environment. Most allergic reactions developed over the years by the immune system. If someone who has suffered from allergies for a long time, they mostly will know when their body gives immediate reaction to an allergen. (more…)

Resident Leukocyte Populations of Innate Immune System

Innate immunity depends on both resident and recruited leukocytes. The macrophage without doubt plays an import- ant role in the detection of pulmonary infections. Low inocula of pneumococci are cleared by macrophages. Alveolar macrophages also have an important role in the initiation of responses to inhaled lipopolysaccharide (LPS) and their function (more…)

Impact of Disease on Innate Immunity

While our primary concern is the impact that the innate immune system has on allergic disease, it is essential to recognize that allergic disease also impacts on the function- ing of the innate immune system. In part this is through treatment, since immunosuppressive therapies inevitably contribute to impairment of immunity at the levels of the innate and adaptive systems. (more…)

Antibodies and the Immune Response

Antibodies which are also known as immunoglobulin are found in our blood and other bodily fluids. Antibodies are used as a mechanism by the immune system to identify, counteract, and neutralize foreign objects which are entered our body. B Cells is the first cell reacted when foreign objects entered our body and triggered the first alarming mode of immune system. It then try to recognize it and subsequently will proceed in the antibody production. There are five different types of antibody produced: IgA, IgG,IgM, IgE and IgD. Bellow we will discuss B Cells in antibody production process and three of the most prominent antibodies: IgA, IgM, and IgG.

B Cells in Antibody Production Process

B cells main function is in the process of antibody production. As you probably know, antibodies are complex structured molecules as result of body immune systems in response to antigens which are entered our body. Antigens are foreign subtracted objects which are mainly (more…)

Anatomy of Immune System and Cellular Immune Response

lymphoid-tissue-cellular-imune-responseCells participating in the cellular immune response are organized into discrete associated lymphoid tissues and organs which are spread through the connective tissues of non lymphoid organs. Lymphocyte cell are responsible for the specificity of the cellular immune response. Approximately 2 x 1012 lymphocytes constitute the mature lymphoid system in humans together with a variety of ‘accessory’ cells which include epithelial cells, monocyte or macrophages cells and other antigen-presenting cells. Accessory cells are neede both for the maturation and for the effector cells functions of lymphocytes. (more…)

Immunity to Bacteria and How Cellular Immune Response Reacts

immune_bacteriaBacteria cause disease because of toxicity, invasiveness, immunopathology, or lends of these three mechanisms. Thus much of the interaction between a given bacterial species and the cellular immune response can be predicted by considering the immunological mechanisms available in relation to the mechanism of pathogenicity, and the structure of the bacterium. For a toxigenic bacterium, neutralizing antibody may be all that is needed. Otherwise destruction of the organism itself may be required. (more…)

Acute Inflammatory Reactions — What You Should Know About | Acute Inflammatory Response

acute inflammatory response
Acute inflammatory reactions constitute the first line of defense against infection as well as the initial stage in restoring injured tissue to normalcy. Acute inflammation is recognized by redness, swelling, heat and pain in the affected area. These symptoms stem from a multitude of events taking place within the inflamed site. The humoral arm of the immune response, including circulating antibodies and the complement system, is activated. (more…)