Sentences with phrase «by antibodies»

Exposure to heartworms can be detected by antibody tests.
It appears to be an autoimmune disease, caused by antibodies attacking certain proteins in a person's own tissue.
Cats are not tested for feline leukemia virus and immune deficiency virus by antibody levels, but by the presence of the virus.
This kicks off an autoimmune response in the body, and if your thyroid is your «genetic weak link», it might be the first to be attacked by those antibodies.
These illnesses are characterized by antibodies being produced by the mother against her own tissues.
If you got yours while pregnant, your baby will be protected by your antibodies until he or she is old enough to get a shot.
Our laboratory previously identified 10 immunoreactive antigens that were uniquely recognized by antibodies in plasma from resistant but not susceptible children.
SARS corona virus peptides recognized by antibodies in the sera of convalescent patients.
As Howard's team reports in the same issue of Cell (vol 82, p 77), the bacteria targeted by these antibodies carried P. falciparum genetic sequences that are similar to those found by Wellems's team.
Bromo - deoxyuridine (BrdU) labeling of cells followed by antibody staining is the standard method for detecting cells in the S - phase.
Dear Abcam, I am a current PhD student at Imperial College London working on a project that requires the identification of epitopes bound by antibodies that are ordered.
Blood cells are dotted with markers that can be recognized by antibodies produced by the immune system — type A blood has A markers, type B has B markers, type AB has both, and type O has neither.
The team also found that the effectiveness of the antibodies varied, with some viral strains very inhibited by the antibodies and others hardly affected at all.
Despite testing negative by antibody tests for Lyme disease, two of 10 subjects were still infected with Lyme bacteria in heart and bladder.
humoral immunity - protection provided by antibodies (as opposed to cellular immunity) Also known as «antibody - mediated immunity.»
This occurs partly because the virus rapidly mutates and escapes recognition by these antibodies.
While studying a group of women at risk of HIV in Mombasa, Kenya, senior author Overbaugh and colleagues noticed that one woman carried an AIDS virus that was easily inactivated by antibodies.
Genetics had almost no effect on how well individuals responded to the flu vaccine, judged by antibodies produced against the injected material.
Modulation of T cell and B cell interactions with vascular endothelial cells by antibodies, complement, and platelets
Islet autoimmunity, detected by antibodies that appear when the immune system attacks the islet cells in the pancreas that produce insulin, is a precursor to type 1 diabetes.
Among the functions performed by antibodies are preventing bacterial invasion of the intestines, neutralizing toxins and killing viruses.
Most food allergies are triggered by antibodies and cause immediate symptoms, like hives and difficulty breathing.
The more immediate allergic response is anaphylaxis, which is moderated by antibodies made by B lymphocytes.
So the researchers turned to a machine made by Quanterix of Lexington, Massachusetts, that uses magnetic beads coated by an antibody that binds selectively and extremely tightly to the protein in the blood.
A final series of tests confirmed that toxic compounds generated by antibodies kill bacteria without any help from other immune cells, like macrophages.
The complement system includes nine proteins (C1 - 9) that help protect against bacterial infections, a process aided by antibodies.
Another version, the CTC - iChip, rapidly isolates CTCs in a way that does not rely on preidentified tumor antigens, allowing capture of cells with gene expression patterns that may be missed by the antibodies used in the HBCTC - Chip.
A radio - labeled human antibody binds to the viral gp41 protein expressed on the surface of the HIV - infected human lymphocyte and the cell is killed by alpha radiation delivered by the antibody.
This sensitivity was reversed by an antibody known to neutralise the molecule.
To their surprise, the researchers found that T cells were the most important component of the anti-tumor response induced by the antibody - IL - 2 combination.
«These are the mutations we believe may allow the viruses to avoid being blocked by antibodies altogether.
The mechanism that becomes effective is a destructive signal sent by the antibody to the inside of the cancer cell and initiates its death.
Memory centers called mushroom bodies in the forebrain of a scorpion, revealed here by antibodies.
Following transmission by mosquitoes, the early specific (also called adaptive) immune response to WNV is thought to be dominated by antibodies, and, consistent with this, the researchers found that older mice had less potent WNV - specific antibody responses during the early phase of infection.
Sperm - ZP binding was largely inhibited by glycoconjugates terminated with sialyl - Lewisx sequences or by antibodies directed against this sequence.
«We suspect that when complement gets activated by antibodies, the malaria parasite gets coated with complement proteins that normally would kill it,» Stoute explained.
WtCXCR4 was detected equally by both antibodies on the cell surface (middle panel, top row) and intracellularly (middle panel, lower row).
«HIV is a particularly nasty virus because it's learned how to avoid being recognized, being seen by antibodies,» said Burton.
Determining the role of innate immunity mediated by antibodies in protection against viral infection.
At 13 months of age, the intracellular MOAB - 2 immunolabel was hardly detectable in pyramidal neurons adjacent to amyloid plaques, the latter which were strongly labeled by this antibody and not by pab27576 (Additional file3: Figure S2 a-b).
Vaccines are used to offer protection against a number of diseases and so ensuring their effectiveness is important, and a study published in the journal Vaccine has reported that flu vaccines given in the morning brought about a greater immune (measured by antibody levels) response than those given in the afternoon.
Furthermore, using a phospho - tyrosine [Y] 474 (in - house generated) and a phospho - serine [S] 176 (Cell Signaling, Inc., Danvers, MA) RIPK2 antibodies, we confirmed that active RIPK2 is recognized by these antibodies upon activation with MDP treatment in 293HEK fibroblast and HCT116 colon cancer epithelial cells (Fig. 3E, left panel) and detection of constitutively active RIPK2 in the colon cancer cell line SW480 (Fig. 3E, right panel).
In their latest work, reported online in the Journal of Clinical Investigation, the scientists analyzed blood from such mice and identified two types of autoimmune response directed specifically against the protein, with the first response directed by a specialized kind of immune system cells called T cells and the second by antibodies.
Such a vaccine would work by eliciting a strong and long - lasting immune response against vulnerable conserved sites on the virus — sites that don't vary much from strain to strain, and that, when grabbed by an antibody, leave the virus unable to infect cells.
Despite the promise shown by antibody - based therapies, the large molecular size of antibodies limits their ability to efficiently penetrate solid tumors and precludes efficient crossing of the blood - brain - barrier into the central nervous system (CNS).
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