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Antigens stimulating the formation of, or combining with heterophile antibodies. They are cross-reacting antigens found in phylogenetically unrelated…

Human alloantigens expressed only on platelets, specifically on platelet membrane glycoproteins. These platelet-specific antigens are immunogenic and…

A group of lymphocyte surface antigens located on mouse LYMPHOCYTES. Specific Ly antigens are useful markers for distinguishing subpopulations of lym…

Newly formed ANTIGENS that arise from mutations in tumor cells. These antigens are specific to cancer cells and absent in normal tissues.

Immunologically detectable substances found in the CELL NUCLEUS.

Substances found in PLANTS that have antigenic activity.

Polyomavirus antigens which cause infection and cellular transformation. The large T antigen is necessary for the initiation of viral DNA synthesis, …

Any part or derivative of any protozoan that elicits immunity; malaria (Plasmodium) and trypanosome antigens are presently the most frequently encoun…

Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or wall…

Antigens which may directly stimulate B lymphocytes without the cooperation of T lymphocytes.

Carbohydrate antigens expressed by malignant tissue. They are useful as tumor markers and are measured in the serum by means of a radioimmunoassay em…

Substances elaborated by viruses that have antigenic activity.

Those proteins recognized by antibodies from serum of animals bearing tumors induced by viruses; these proteins are presumably coded for by the nucle…

Serum containing GAMMA-GLOBULINS which are antibodies for lymphocyte ANTIGENS. It is used both as a test for HISTOCOMPATIBILITY and therapeutically i…

Small cationic peptides that are an important component, in most species, of early innate and induced defenses against invading microbes. In animals …

Small peptides that play an important role in early innate and induced defenses against invading microbes. Most have positive overall charges and are…

A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poison…

A schistosomicide possibly useful against other parasites. It has irritant emetic properties and may cause lethal cardiac toxicity among other advers…

Antimony complex where the metal may exist in either the pentavalent or trivalent states. The pentavalent gluconate is used in leishmaniasis. The tri…

An antibiotic substance produced by Streptomyces species. It inhibits mitochondrial respiration and may deplete cellular levels of ATP. Antimycin A1 …

Naturally occurring or synthetic substances that inhibit or retard oxidation reactions. They counteract the damaging effects of oxidation in animal t…

An oligopeptide produced by various bacteria which acts as a protease inhibitor.

Membrane transporters that co-transport two or more dissimilar molecules in the opposite direction across a membrane. Usually the transport of one io…

An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or disease…

Nucleic acids which hybridize to complementary sequences in other target nucleic acids causing the function of the latter to be affected.

Antibodies specific to STREPTOLYSINS which indicate STREPTOCOCCAL INFECTIONS.

A plasma alpha 2 glycoprotein that accounts for the major antithrombin activity of normal plasma and also inhibits several other enzymes. It is a mem…

An endogenous family of proteins belonging to the serpin superfamily that neutralizes the action of thrombin. Six naturally occurring antithrombins h…

Agents that are used to treat hyperthyroidism by reducing the excessive production of thyroid hormones.

Antisera from immunized animals that is purified and used as a passive immunizing agent against specific BACTERIAL TOXINS.