Antigens Sentence Examples

Basically these antigens are acting as a screening agent.

The antigens, as already indicated, may occur in bacteria, cells, &c., or they may occur free in a fluid.

However, T cells do not recognize many tumor antigens directly on the cells.

The flea injects saliva containing antigens to stop the host's blood clotting.

In fact, only identical twins will ever possess all the same antigens.

The production of vaccines, or vaccine antigens respectively, by common technology is very expensive.

Almost all patients remained seropositive against the different antigens during the 1- to 2-year follow-up.

In antigens of organs that are isolated during embryogenesis and not available for immune system, there is no immunological tolerance.

Explain how his becoming unwell could have been caused by the body's response to virus antigens.

This still requires further development to exploit the use of recombinant antigens in future assays.

The flea injects saliva containing antigens to stop the host 's blood clotting.

Sera from Scottish patients with EM of acute onset were tested with local antigens by WB technique.

The antibody levels to the specific antigens were investigated over the course of the suckling period.

In short, CTCL may be a malignancy of T cells stimulated to proliferate against its own tumor antigens.

Recognition of foreign antigens at the TCR leads to tyrosine phosphorylation of the ITAM motifs of the -chain by Src family kinases.

Explain how his becoming unwell could have been caused by the body 's response to virus antigens.

Antigens or toxins cause the body to produce antibodies in order to destroy the foreign matter.

Human Leukeocytic Antigens (HLA) molecules are found on the surface of human white blood cells and help to coordinate the immune response.

Antibodies are specific proteins the immune system manufactures to bind to corresponding molecules (antigens) on the cell surfaces of foreign organisms in an attempt to render them harmless.

These infectious organisms have antigens on their surfaces that stimulate the immune system to produce corresponding antibodies.

The two main groups are the B cells that have antibody molecules on their surface and T cells that destroy antigens.

Immune response-A physiological response of the body controlled by the immune system that involves the production of antibodies to fight off specific foreign substances or agents (antigens).

Furthermore, knowing and managing the child's sensitivities to food help in isolating the antigens that respond to immunotherapy.

In a skin test, a small dose of suspect antigens is injected under the skin.

This happens when the immune system does not recognize protein markers (antigens) on its own cells.

Antibodies are produced by the body's immune cells that can recognize and bind to markers (antigens) on the outside of specific organisms, in this case the measles virus.

Once the fluorescent antibodies have attached themselves to the measles antigens in the specimen, the specimen can be viewed under a special microscope to verify the presence of measles virus.

These tests allow direct detection of streptococcal antigens in body fluids such as urine or blood serum or from a throat swab.

It includes many classes of T-lymphocytes (white blood cells that detect foreign proteins called antigens).

The antibodies are able to recognize the bacteria because the bacteria contain special markers called antigens.

Due to a resemblance between Group A streptococcus bacteria's antigens and antigens present on the body's own cells, the antibodies may mistakenly attack the body itself.

This statistical fact could be related to the above theory, in that these families may have cell antigens that more closely resemble streptococcal antigens than do members of other families.

Vaccines contain antigens (weakened or dead viruses, bacteria, and fungi that cause disease and infection).

When introduced into the body, the antigens stimulate the immune system response by instructing B cells to produce antibodies, with assistance from T-cells.

When new antigens enter the body, white blood cells (called macrophages) engulf them, process the information contained in the antigens, and send it to the T-cells so that an immune system response can be mobilized.

The test detects one of the viral antigens called hepatitis B surface antigen (HBsAg) in the blood.

Hemolytic disease of the newborn is a specific variation of hemolytic anemia in which an incompatibility exists between antigens on the cells of the mother and baby, causing antibodies to develop in the mother's circulation.

The antibodies are produced as an immune response to what the body views as foreign antigens on the surface of the infant's RBCs.

They will be tissue-typed to determine whether their bone marrow has the same human leukocyte antigens (HLA) as the affected child.

Human leukocyte antigens are genetically determined proteins that allow the body to distinguish between its own cells and those from an outside source.

In addition to siblings, another choice is bone marrow from one of the parents, who shares half the affected child's HLA antigens.

Each class of antibody binds to corresponding molecules (antigens) on the cell surfaces of certain foreign organisms or substances, attempting to protect the body against reactions or illness.

It is believed to be caused by a defect in the development of T helper cells (cells that recognize foreign antigens and activate T and B cells in an immune response).

IgG subclass deficiency is a disorder associated with a poor ability to respond and make antibody against polysaccharide antigens, primarily pneumococcus.

The individual will typically not make antibodies against protein or polysaccharide antigens and will not make IgM antibodies against incompatible blood group antigens (hemagluttinins).

The source of the antigens that cause AP is unknown.

Antibodies are specific proteins (immunoglobulins) manufactured by the immune system to bind to corresponding molecules (antigens) on the cell surfaces of foreign organisms in an attempt to make them harmless.

Leukotrienes-Substances that are produced by white blood cells in response to antigens and contribute to inflammatory and asthmatic reactions.

The test, which searches for antigens (substances that stimulate the production of antibodies) produced by Borrelia burgdorferi, gives results within one hour in the doctor's office.

Antibodies are capable of binding to identifying molecules (antigens) on the foreign particle.

Allergies tend to become worse as the season progresses because the immune system becomes sensitized to particular antigens and can produce a faster, stronger response.

Red blood cells (RBCs) carry several types of proteins, called antigens, on their surfaces.

Active immunity comes from having the disease or by inoculation with antigens, such as dead organisms, weakened organisms, or toxins of organisms.

The antigens introduced during vaccination produce antibodies that protect the body against the infecting agent, despite the fact that the person does not become sick.

Normal infants have the capability to develop responses to antigens at birth.

However, infants have the capacity to respond to large numbers of antigens.

Parents who worry about the increasing number of recommended vaccines may take comfort in knowing that children are exposed to fewer antigens in vaccines as of the early 2000s than in previous decades.

The high levels of IgE in the blood of AD patients are produced by hyperactive T helper 2 cells reacting against antigens in the environment.

Antibodies are complex proteins developed by the immune system to protect against invading viruses or bacteria, known as antigens.

Antibodies are a critical component of the immune system, but in certain disorders, the immune system treats otherwise harmless substances as antigens and produces antibodies for defense.

From there, we purify the antigens in an additional one to two weeks to create the vaccine.

The first event seems to be binding of BCG to urothelial cells via fibronectin, and processing of mycobacterial antigens by antigen-presenting cells.

Three major histocompatibility antigens are encoded on each copy of chromosome 6, but they are inherited as a group.

These cells are specially designed to present peptide antigens derived from such digested particles.

For example, several novel tumor therapies are based on the concept of inducing T-cell responses that are specific for tumor antigens.

Malaria parasite antigens exposed on the surface of the infected red blood cell membrane.

The team can also undertake the preparation of antigens, including conjugation of haptens to generate immunogens.

Cancer vaccines are currently being developed to confer active, specific immunotherapy directed against tumor-associated antigens, while inducing minimal systemic toxicity.

Synthetically manufactured peptide antigens and antigens produced using molecular biology are also being examined in an attempt to improve test specificity.

In blood typing, the presence of A, B, and O antigens plus the presence or absence of the Rh-factor determine a person's specific blood type, such as A-positive, B-negative, and so on.

The molecules which lead to the production of anti-substances are usually known as antigens, and each antigen has a specific combining affinity for its corresponding anti-substance, fitting it as a lock does a key.