Substances that neutralize body toxins and bacteria.

Proteins produced by your body to fight off foreign bacteria and viruses in your blood.

(an´tu1-bod´´=ez) Immunoglobin proteins secreted by B lymphocytes that have transformed into plasma cells. Antibodies are responsible for humoral immunity. Their synthesis is induced by specific antigens, and they combine with these specific antigens but not with unrelated antigens. anticodon

Large Y-shaped proteins, also known as immunoglobulins, produced by a type of white blood cell called B-cells. They have highly variable tips thus allowing millions of variants to exist.

Proteins present and produced in the blood in response to an invading substance, such as a bacterium. The antibodies weaken or destroy the invader, therefore attempting to fight infection: this is known as an immune response.

blood proteins made by certain white blood cells called B cells in response to germs or other foreign substances that enter the body. Antibodies help the body fight illness and disease by attaching to [..]

(AN-ti-bod-eez) proteins made by the body to protect itself from "foreign" substances such as bacteria or viruses. People get Type 1 diabetes when their bodies make antibodies that destroy the body's own insulin-making beta cells.

Proteins produced by plasma cells in response to a specific foreign organism. These proteins in the blood tag, destroy, or neutralize bacteria, viruses, or other harmful toxins.

proteins in the blood that destroy or neutralise antigens. Antibodies are produced by white blood cells in response to specific antigens, as part of the body’s immune system. Antibodies can also be manufactured as medicines.

Antibodies are a vital part of the acquired immune system. Antibodies are released from Plasma Cells (a type of B Cell) into the blood or lymph in response to an antigenic stimulus, such as a bacteriu [..]

Antibodies are a group of molecules that bind to specific proteins (antigens). Once an antibody is bound with its antigen, it signals to the rest of the immune system to destroy the cell to which that [..]

Specialised proteins produced by white blood cells that circulate in the blood. Antibodies seek and attach to foreign proteins, microorganisms or toxins in order to neutralise them. They are part of the immune system.

Immunoglobulin molecules having a specific Amino Acid Sequence by Virtue of which they interact only with the Antigen (or a very similar shape) that induced their synthesis in Cells of the lymphoid se [..]

Allelic variants of the Immunoglobulin Light Chains (Immunoglobulin Light Chains) or heavy chains (Immunoglobulin Heavy Chains) encoded by Alleles of Immunoglobulin Genes.

Antiphospholipid Antibodies found in Association with Systemic Lupus Erythematosus (Lupus Erythematosus, Systemic;), Antiphospholipid Syndrome; and in a variety of other Diseases as well as in healthy [..]

Antibodies which react with the individual structural determinants (idiotopes) on the variable region of other Antibodies.

Autoantibodies directed against cytoplasmic constituents of Polymorphonuclear Leukocytes and/or Monocytes. They are used as specific markers for Wegener Granulomatosis and other Diseases, though their [..]

Autoantibodies directed against various Nuclear Antigens including DNA, RNA, Histones, acidic Nuclear Proteins, or complexes of these molecular Elements. Antinuclear Antibodies are found in systemic A [..]

Autoantibodies directed against Phospholipids. These Antibodies are characteristically found in Patients with Systemic Lupus Erythematosus (Lupus Erythematosus, Systemic;), Antiphospholipid Syndrome; [..]

Immunoglobulins produced in a response to Archaeal Antigens.

Immunoglobulins produced in a response to Bacterial Antigens.

Antibodies, often monoclonal, in which the two Antigen-Binding Sites are specific for separate Antigenic Determinants. They are artificial Antibodies produced by chemical crosslinking, fusion of Hybri [..]

Antibodies that inhibit the reaction between Antigen and other Antibodies or sensitized T-Lymphocytes (e.g., Antibodies of the Immunoglobulin G class that compete with IGE Antibodies for Antigen, ther [..]

Antibodies that can catalyze a wide variety of chemical reactions. They are characterized by high Substrate Specificity and share many mechanistic features with Enzymes.

Immunoglobulins produced in a response to Fungal Antigens.

Immunoglobulins produced in a response to Helminth Antigens.

Immunoglobulins raised by any form of viral Hepatitis; some of these Antibodies are used to diagnose the specific kind of Hepatitis.

Antibodies to the Hepatitis A Antigens including Antibodies to envelope, core, and non-structural Proteins.

Antibodies to the Hepatitis B Antigens, including Antibodies to the surface (Australia) and core of the Dane particle and those to the "e" Antigens.

Antibodies reactive with the HTLV-I Antigens.

Antibodies reactive with the HTLV-II Antigens.

Antibodies reactive with various types of Human T-Cell Leukemia/Lymphoma Antigens or Bovine Leukemia Virus Antigens.

Antibodies that are chemically bound to a substrate material which renders their location fixed.

Antibodies specific to Insulin.

Immunoglobulin preparations used in Intravenous Infusion, containing primarily Immunoglobulin G. They are used to treat a variety of Diseases associated with decreased or abnormal Immunoglobulin level [..]

Antibodies reactive with HIV Antigens.

Antibodies produced by a single Clone of Cells.

Antibodies from non-Human species whose protein sequences have been modified to make them nearly identical with Human Antibodies. If the constant region and part of the variable region are replaced, t [..]

Antibodies obtained from a single Clone of Cells grown in Mice or Rats.

Immunoglobulins induced by Antigens specific for Tumors other than the normally occurring Histocompatibility Antigens.

Antibodies that reduce or abolish some biological activity of a soluble Antigen or infectious agent, usually a Virus.

Antibodies directed against immunogen-coupled phosphorylated Peptides corresponding to Amino Acids surrounding the Phosphorylation site. They are used to study Proteins involved in Signal Transduction [..]

Immunoglobulins produced in a response to Protozoan Antigens.

Recombinant Antibodies produced in Transgenic Plants. The Plants serve as Bioreactors to produce the Antibodies for medical use or industrial processes.

A form of Antibodies consisting only of the variable regions of the heavy and Light chains (Fv Fragments), connected by a small linker peptide. They are less immunogenic than complete Immunoglobulin a [..]

An Immunoglobulin fragment composed of one variable domain from an Immunoglobulin Heavy Chain or Immunoglobulin Light Chain.

Autoantibodies that bind to the Thyroid-Stimulating Hormone (TSH) receptor (Receptors, Thyrotropin) on Thyroid Epithelial Cells. The Autoantibodies mimic TSH causing an unregulated production of Thyro [..]

Immunoglobulins produced in response to Viral Antigens.

Antibodies elicited in a different species from which the Antigen originated. These Antibodies are directed against a wide variety of interspecies-specific Antigens, the best known of which are Forssm [..]

Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid se [..]

Antibodies which react with the individual structural determinants (idiotopes) on the variable region of other antibodies.

Antiphospholipid antibodies found in association with systemic lupus erythematosus (LUPUS ERYTHEMATOSUS, SYSTEMIC;), ANTIPHOSPHOLIPID SYNDROME; and in a variety of other diseases as well as in healthy [..]

Autoantibodies directed against cytoplasmic constituents of POLYMORPHONUCLEAR LEUKOCYTES and/or MONOCYTES. They are used as specific markers for WEGENER'S GRANULOMATOSIS and other diseases, thoug [..]

Autoantibodies directed against various nuclear antigens including DNA, RNA, histones, acidic nuclear proteins, or complexes of these molecular elements. Antinuclear antibodies are found in systemic a [..]

Autoantibodies directed against phospholipids. These antibodies are characteristically found in patients with systemic lupus erythematosus (LUPUS ERYTHEMATOSUS, SYSTEMIC;), ANTIPHOSPHOLIPID SYNDROME; [..]

Immunoglobulins induced by substances elaborated by ARCHAEA that have an antigenic activity.

Immunoglobulins induced by substances elaborated by BACTERIA that have an antigenic activity.

Antibodies, often monoclonal, in which the two antigen-binding sites are specific for separate ANTIGENIC DETERMINANTS. They are artificial antibodies produced by chemical crosslinking, fusion of HYBRI [..]

Antibodies that inhibit the reaction between ANTIGEN and other antibodies or sensitized T-LYMPHOCYTES (e.g., antibodies of the IMMUNOGLOBULIN G class that compete with IGE antibodies for antigen, ther [..]

Antibodies that can catalyze a wide variety of chemical reactions. They are characterized by high substrate specificity and share many mechanistic features with enzymes.

Immunoglobulins induced by substances elaborated by FUNGI that have an antigenic activity.

Antibodies produced by human or animal cells following clinical or experimental exposure to parasitic HELMINTH ANTIGENS. The IMMUNOGLOBULIN E class of immunoglobulins is usually formed and released, b [..]

Antibodies elicited in a different species from which the antigen originated. These antibodies are directed against a wide variety of interspecies-specific antigens, the best known of which are Forssm [..]

Antibodies produced by clones of cells such as those isolated after hybridization of activated B LYMPHOCYTES with neoplastic cells. These hybrids are often referred to as HYBRIDOMAS.

Immunoglobulins induced by antigens specific for tumors other than the normally occurring HISTOCOMPATIBILITY ANTIGENS.

Antibodies directed against immunogen-coupled phosphorylated PEPTIDES corresponding to amino acids surrounding the PHOSPHORYLATION site. They are used to study proteins involved in SIGNAL TRANSDUCTION [..]

Antibodies produced by human or animal cells following clinical or experimental exposure to parasitic PROTOZOAN ANTIGENS.

Immunoglobulins produced as a response to VIRAL ANTIGENS; includes all classes of immunoglobulins elicited by all viral components.

These are part of the body's natural defence systems that are produced to combat infections and invading substances recognised as not belonging to the body, i.e. viruses and bacteria. On occasion [..]

proteins

Circulating proteins (immunoglobulins) formed by the body to resist future invasion by specific microorganisms or foreign substances.

proteins produced by the immune system to fight specific bacteria, viruses, or other antigens.

 Immune substances produced in response to an infection or vaccination or acquired as in colostrum or antisera. ANTIGENS -

[an-tee-bod-eez] Substances that fight off infection and disease.

are a type of protein. The body's immune system produces antibodies when it detects harmful substances, called antigens. Examples of antigens include microorganisms (such as bacteria, fungi, parasites, and viruses) and chemicals.

Proteins produced by the immune system of humans and other vertebrates in response to the presence of a specific antigen, or foreign substance.

substances made by the body in response to antigens. Antibodies bind with antigens on bacteria and viruses to protect the body against infection.

Substances produced by the body to protect itself against infection.  Immunoglobulin E antibodies (IgE) are produced by the body in an allergic reaction.

several sizes of structurally similar protein molecules which are able to bind to specific proteins or other substances; forming a main line of defense in animals against foreign items.

Proteins produced by the immune system of humans and other vertebrates in response to the presence of a specific antigen.

Proteins produced by B cells that attach to specific antigens and mark them for destruction.

Substances in the blood which destroy or neutralise various toxins or components of bacteria known generally as antigens.

Antibodies are special proteins that are part of the body's immune system. White blood cells make antibodies to neutralize harmful germs, or other foreign substances, called antigens. Antibodies are "good guys" that fight inside your body, protecting you from "bad guys" like bacteria and viruses.

A type of protein produced by the immune system that protects the body from outside substances which the body recognizes as alien such as bacteria, viruses, and foreign substances/ antigens in the bloodstream.

Any of numerous protein molecules produced by the B-cells as a primary immune defense. (16 Dec 1997)

Antiphospholipid antibodies found in association with systemic lupus erythematosus (lupus erythematosus, systemic), antiphospholipid syndrome, and in a variety of other diseases as well as in healthy individuals. The antibodies are detected by solid-phase immunoassay employing the purified phospholipid antigen cardiolipin. (12 Dec 1998)

Antibodies which react with the individual structural determinants (idiotopes) on the variable region of other antibodies. (12 Dec 1998)

Autoantibodies directed against cytoplasmic constituents of polymorphonuclear leukocytes and/or monocytes. They are used as specific markers for wegener's granulomatosis and other diseases, though their pathophysiological role is not clear. Anca are routinely detected by indirect immunofluorescence with three different patterns: c-anca (cytopl [..]

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Autoantibodies directed against phospholipids. These antibodies are characteristically found in patients with systemic lupus erythematosus (lupus erythematosus, systemic), antiphospholipid syndrome, related autoimmune diseases, some non-autoimmune diseases, and also in healthy individuals. (12 Dec 1998)

Immunoglobulins induced by substances elaborated by archaea that have an antigenic activity. (12 Dec 1998)

Immunoglobulins induced by substances elaborated by bacteria that have an antigenic activity. (12 Dec 1998)

Antibodies, often monoclonal, in which the two antigen-binding sites are specific for separate antigenic determinants. They are artificial antibodies produced by chemical crosslinking, fusion of hybridoma cells, or by molecular genetic techniques. They function as the main mediators of targeted cellular cytotoxicity and have been shown to be effici [..]

Antibodies that inhibit the reaction between antigen and other antibodies or sensitised T-lymphocytes (e.g., antibodies of the IgG class that compete with IgE antibodies for antigen, thereby blocking an allergic response). Blocking antibodies that bind tumours and prevent destruction of tumour cells by cytotoxic T-lymphocytes have also been called [..]

Antibodies that can catalyze a wide variety of chemical reactions. They are characterised by high substrate specificity and share many mechanistic features with enzymes. (12 Dec 1998)

Immunoglobulins induced by substances elaborated by fungi that have an antigenic activity. (12 Dec 1998)

Antibodies produced by human or animal cells following clinical or experimental exposure to parasitic helminth antigens. The IgE class of immunoglobulins is usually formed and released, but IgG, IgM, and IgA may also occur. (12 Dec 1998)

Antibodies elicited in a different species from which the antigen originated. These antibodies are directed against a wide variety of interspecies-specific antigens, the best known of which are forssman, hanganutziu-deicher (h-d), and paul-bunnell (p-b). Incidence of antibodies to these antigens--i.e., the phenomenon of heterophile antibody respons [..]

Antibodies produced by clones of cells such as those isolated after hybridization of activated b lymphocytes with neoplastic cells. These hybrids are often referred to as hybridomas. (12 Dec 1998)

Immunoglobulins induced by antigens specific for tumours other than the normally occurring histocompatibility antigens. (12 Dec 1998)

Antibodies produced by human or animal cells following clinical or experimental exposure to parasitic protozoan antigens. (12 Dec 1998)

Immunoglobulins produced as a response to viral antigens; includes all classes of immunoglobulins elicited by all viral components. (12 Dec 1998)

Proteins made by the body to attack or fight foreign substances. Antibodies normally prevent infection; however they can be made against sperm, sometimes causing fertility problems. Either the male or [..]

Produced by the immune defense system to destroy viruses and bacteria.

  Proteins produced by your white blood cells that help kill foreign invaders such as bacteria, viruses, fungus, and other harmful organisms.  Antibodies trigger other white blood cells to destroy these invaders.

Proteins produced by certain white blood cells in response to a foreign substance (antigen). Each antibody can bind only to one specific antigen. Its purpose is to destroy that antigen.  These structurally related proteins are formed by B-cells and plasma cells and are divided into five basic classes or isotypes (IgA, IgD, IgE, IgG, IgM) on the bas [..]

Disease-fighting substances found in the blood and produced by B-cells, a type of white blood cell. Antibodies interact only with a specific target (antigen). Antibodies can be artificially made in the lab and used as forms of therapy for various types of lymphoma. FDA approved antibodies used to treat lymphoma are Rituxan® and ONTAK™. Other antibo [..]

Disease-fighting substances produced by certain white blood cells and found in the blood. Antibodies interact only with a specific target (antigen). Also known as "immunoglobulins".

Substances made by males and females that attack foreign matter and help prevent infection; may also cause infertility in certain cases.

Substances in the blood which destroy or neutralise various toxins or components of bacteria known generally as antigens. The antibodies are formed as a result of the introduction into the body of the antigen to which they are antagonistic as in all infectious diseases.