Sentences with phrase «receptors on t»

The scientists took the genes for the most effective liver cancer antigen receptors on those T cells, put those receptors on human T cells and the resulting engineered human T cells eradicated the cancer as well, without hurting normal liver cells, they report in the journal Hepatology.
These antibody drugs block receptors on T cells that tumors use to hide from the immune system.
In this latest study, the researchers placed an antibody with a weak radioactive component onto the receptors on the T - cells» outer membrane.
Receptors on T - cells recognize antigens, or pieces of other cells that trigger an immune response, particularly antibodies.
Antigen - presenting cells (APCs), such as dendritic cells and macrophages, activate T cells by engaging protein receptors on the T cell surface.
One way cancer cells do this is by expressing a protein ligand that binds to a receptor on the T cells to prevent the T cell from recognizing and attacking the cancer cell.
The major histocompatibility complex - restricted antigen receptor on T cells in mouse and man: identification of constant and variable peptides.
Allison and his colleagues blocked this receptor on T - cells with an antibody, and discovered that T - cells devoured cancer cells in mice.
Binding of PD - L1 to the co-stimulatory receptor on T cells, PD - 1, promotes inactivation and apoptosis of activated anti-tumor T cells.
Takeda et al. engineered mice that were either unable to produce a particular LPA receptor on their T - cells, or that produced less LPA than normal.

Not exact matches

The race to become the first company with a chimeric antigen receptor T - cell (CAR - T) cancer therapy on the market has entered its final leg, and Kite Pharma now appears to have a big advantage.
The antibody binds to a protein on the surface of T cells called the PD - 1 receptor.
A transformative cancer therapy based on modified immune cells has lured doctors, companies, and patients alike, but many are hitting a frustrating roadblock: generating enough of these chimeric antigen receptor (CAR)- T cells to meet surging demand.
The immune system depends on molecules called T cell receptors on the surface of T cells to recognize and respond to foreign antigens from virus - infected cells, tumors and other threats.
These are receptors on immune cells, which control for example effector T - cells by dampening their activation if damage to healthy cells is imminent.
This drug (vedolizumab) blocks a specific adhesion molecule on the surface of the T - cell and thereby inhibits immune cells from binding themselves to receptors present in the intestine, preventing the T - cells from penetrating the blood vessels in the intestinal tissue.
Since genes for the T - cell receptor beta chain were previously shown to be on mouse chromosome 6, all three of the Ig - like multigene families expressed and rearranged in T cells are located on different chromosomes, just as are the B - cell multigene families for the Ig heavy chain, and the Ig kappa and lambda light chains.
The accuracy for human eye and hair color is much higher at 0.9, and chronological age — based on T cell receptors — is the same.
The drug blocks CTLA - 4, a protein receptor on the surface of T - cells that serves as a molecular stop sign, preventing the immune system from going into overdrive.
By latching onto receptors on the surface of T lymphocytes, gp120 allows the virus to enter the cells and reproduce.
3) Protein binds to HIV fragment on helper T cell and CD3 receptor on killer T cell, activating the killer T cell and bringing the two cells close together.
2) Protein binds to CD3 receptor on helper T cell, activating it so the helper T cell starts making HIV and displaying pieces of virus (red) on its surface.
The engineered protein has two ends: one activates T cells by binding to a surface molecule called the CD3 receptor, and the other — based on an antibody called VRC07 — powerfully binds to more than 90 percent of HIV strains.
Chimeric antigen receptor (CAR) T - cell therapies utilize a patient's own T cells that have been genetically engineered to bind to a specific antigen on target cancer cells.
For the CRISPR trial, a UPenn - led team wants to remove T cells from patients and use a harmless virus to give the cells a receptor for NY - ESO - 1, a protein that is often present on certain tumors but not on most healthy cells.
The MSRs were then coated with lipids that formed a thin supported lipid bilayer (SLB), which resembles the outer membrane of APCs and that the researchers then functionalized with a pair of T cell - stimulating antibodies that remain mobile in the lipid layer and can bind to receptor / co-receptor molecules on the surface of T cells.
In particular, Nguyen and Ehrenstein discovered that adalimumab increases the expression of TNF on the surface of patient monocytes and promotes the association of these TNF molecules with receptor proteins on the surface of regulatory T cells.
To address such obstacles, Roybal, now an assistant professor at the University of California, San Francisco and his colleague Leonardo Morsut turned to a signaling molecule on T cells called the Notch receptor, known to be involved in several developmental and biological processes.
Studies on the gut suggest that dendritic cells there release a chemical that induces T cells to produce a receptor that helps them home in on the intestine.
PD - 1 (programmed cell death protein 1) is a receptor on the surface of T cells (the white blood cells that are part of the immune system), while PD - L1 (programmed death - ligand 1) is a molecule that binds to PD - 1 and is often over-expressed on the surface of cancer cells, enabling them to evade the immune system and allow cancer to grow and spread.
«The docking protein [the receptor] keeps the virus on the dendritic cell, and then it infects passing T cells,» Nair says.
The researchers are now looking at how ICOS signals can be altered to diminish autoimmune disorders and augmented for more effective vaccine development, and are beginning research on how ICOS signaling may benefit Chimeric Antigen Receptor - T cell (CAR - T) therapies, which involves engineering of patient's own immune cells to recognize and attack their cancers.
Now, the bispecific antibody grabs a killer T cell that has a CD3 receptor and, with its second arm, finds a recently activated cell that has HIV proteins on its surface.
The ccr5 receptor, a protein found on the surface of cd4 T - cell lymphocytes in the immune system (try saying that quickly), may hold the key to ending the aids pandemic (see «The End of AIDS»).
Because diseases such as cancer tend to evade detection by T - cells» receptors, allowing a tumor to grow unchecked, scientists have long sought «intel» on this process as a means of developing therapies that target malignant cells, but leave healthy cells alone.
Using an unsupervised learning algorithm, the team was able to convert the T - cell receptor sequencing data into numeric distances based on similarities in the receptor sequences and cluster them by functional specificity.
More recently, the membrane receptor GARP was shown to bind to TGF - beta on regulatory T cells and platelets to modulate their activity.
The Johns Hopkins team tested ImmunoMap's ability to correlate immune responses on receptor sequencing data from T - cells in the tumors of 34 patients with cancer enrolled in a nationwide clinical trial of the immunotherapy drug nivolumab.
The modified T cells contain a protein known as a chimeric antigen receptor (CAR), which is designed to target the CD19 protein found on the surface of B cells, including the cancerous B cells that characterize several types of leukemia and lymphoma.
The T cells use their CAR receptors to bind to molecules on target cells, and the act of binding triggers an internal signal that strongly activates the T cells — so that they swiftly destroy their targets.
T - FORCE Two T cells (orange) attack a cancer cell (blue), using special receptors to zero in on the cancer.
The resulting treatment consists of four parts: an antibody targeted to the tumor; a vaccine targeted to the tumor; IL - 2; and a molecule that blocks PD1, a receptor found on T cells.
The drug tested is an antibody that blocks a receptor called PD - 1 on the surface of the immune system's T cells.
T - cells recognize and remove germs using a molecule on their surface called the T - cell receptor.
The studies, conducted separately on the East and West coasts of the United States, attempt to make the immune system resistant to HIV by crippling a receptor, known as CCR5, on T cells that the virus uses during the infection process.
The authors catalogued several co-stimulatory molecules and receptors present on the surfaces of the PD -1-responsive T cells, which possibly could be targets for drugs.
For example, T - cells have a receptor on their surface called PD - 1, which acts as an off switch.
Next steps include He's collaboration with Piedmont Atlanta Hospital to retrieve T cells, liver cancer cells and healthy tissue normally removed from patients during surgery, put the mouse receptor genes on these T cells and monitor in a dish both how those cells now fight the tumor and react to healthy human tissue.
«To understand the factors behind T - cell - receptor binding to peptides will have major impact on biomedical developments, including vaccine design and immunotherapy.»
The mouse T cells developed receptors for this clearly suspicious invader and the genes for the receptors is what He later put on human T cells.
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