The Antibody's (Ab)function refers to the biological effect that antibody has on a pathogen or its toxin. In addition to binding an antigen (Ag), antibodies participate in various biological...
Category: Immunology
Superantigens are microbial peptides that can polyclonally activate a large fraction of T cells (up to 20%). They escape normal antigen processing by antigen presenting cells (APCs) and can directly...
Antibodies are glycoproteins produced by our body in response to invading organisms or toxins (antigens). When a pathogen (bacteria, virus, protozoa, or helminth) enters our body and anyhow...
Activation of B cells requires two signals. Depending on the nature of the antigen, B-cell activation proceeds by two different routes, one dependent on helper T cells (TH cells), the other...
IgG antibody crosses the placenta and plays an important role in protecting the developing fetus. If I can write only a single sentence to introduce IgG, the above sentence may be the most...
Immunity is defined as the resistance offered by the host against microorganisms or any other foreign substance(s). Immunity can be broadly classified into two types based on its specificity; less...