«This is the first time anyone has succeeded in cloning a T -
cell receptor targeting prostate antigen, and we hope we will have an opportunity to test T cells equipped with this receptor in a clinical study.
Not exact matches
Those two companies, along with their larger competitor Novartis (nvs), are developing experimental chimeric antigen
receptor T -
cell (CAR - T) technology platforms, which are highly personalized treatments that involve extracting patients» immune
cells, re-engineering them to
target their specific cancers, and then pumping these sniper -
cells back into the body.
At the end of September, the European Commission approved a marketing application for Lutathera, a radioactive molecule that
targets specific
receptors found on the surface of neuroendocrine tumor
cells.
CAR T
cells target and kill cancer
cells via bioengineered T -
cell receptors.
Peptides can bind to
targets on a
cell (usually
receptors or enzymes that are themselves proteins) and so regulate cellular functions such as nutrient uptake or communication between
cells.
Like many drugs, beta blockers
target receptors embedded in the surface of
cells.
Each epitope is
targeted by a pool of T
cells bearing different, but specific, T
cell receptors to recognize and respond.
We designed chimeric antigen
receptor (CAR) T
cells that specifically
target podoplanin (PDPN), a key protein for the progression of solid tumors, including GBM.»
This affords safe passage to a theoretically unlimited selection of carriers
targeting distinct
cell surface
receptors.»
When it comes to
targeting the disease, because of reduced levels of the serotonin transporters, Smith says, the
receptors that detect serotonin on message - receiving
cells might be a better option.
A potential adrenalinelike drug for weight control must
target only the fat -
cell receptors to avoid dangerous side effects in the cardiovascular system.
Lanza also designed the nanoparticles to carry
targeting molecules that home in on and bind to cancer
cells that carry the complementary
receptor, like a lock and key.
To acquire new insights into the biology and possible therapy of these tumors, Feigin et al. looked for aberrant expression of G protein — coupled
receptors,
cell signaling proteins that have been successfully
targeted for treatment of other disorders such as depression.
Around 15 per cent of women with breast cancer have this form of the disease, in which tumour
cells lack the three
receptors that most drugs
target.
T
cells genetically engineered to make the chimeric antigen
receptor can recognize and
target tumor
cells.
HIV must bind to both these
receptors in early stages of infection in order to slip into the
target cells.
Cell lines are the workhorses of biology, routinely stocked and studied in every laboratory to understand cellular pathways,
receptors,
targets, hormones, and all aspects of normal and malignant physiology.
Liang Xu, Ph.D. member of the KU Cancer Center's Drug Discovery, Delivery and Experimental Therapeutics program and associate professor of molecular biosciences at KU, has discovered that
targeting a
cell - surface
receptor called «CD44s» can block pancreatic tumor formation and recurrence after radiotherapy.
The former
target, say, using gene editing techniques to inactivate HIV
receptors and achieve resistance of blood
cells to the virus (which Sangamo BioSciences is working on in clincial trials) is different than helping parents who both carry genes for Huntington's Disease to have a child that is free of the disease (a change to the genome that would be passed on to future generations and would likely not be very commonly needed).
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.
The
target for ibrutinib, an enzyme called Bruton's tyrosine kinase (BTK), is a key component of B -
cell receptor signaling.
These
receptors, called
receptor tyrosine kinases (RTKs), transmit instructions through the
cell wall and down through a cascade of reactions to a
target gene in the nucleus.
They will examine the safety and feasibility of administering cancer - fighting chimeric antigen
receptor (CAR) T
cells that have been reprogrammed to
target the CD22 protein expressed by some leukemia
cells.
«Triple - negative breast cancers are cancer
cells that lack three
receptors targeted by current chemotherapy regimens.
Many investigators had assumed that once breast cancer
cells developed resistance to tamoxifen, they would be resistant to all drugs that
target the estrogen
receptor, McDonnell explained.
Using in vitro, or test tube, experiments, the researchers applied these chemicals to human cancer
cells to measure changes of estrogen
receptor - and androgen
receptor -
target genes and transcriptional activity.
In this study, we examined the effectiveness of a vaccination
targeting tumors that produced IL - 15 and its
cell surface
receptor called IL - 15R - alpha -LRB--RRB- and examined their ability to up - regulate (or increase) immune responses to tumor antigens,» Morris says.
Cincinnati Cancer Center (CCC) and UC Cancer Institute researchers have found that a vaccine,
targeting tumors that produce a certain protein and
receptor responsible for communication between
cells and the body's immune system, could initiate the immune response to fight cancer.
Inglis attributes this success to the fact that the bacteriocin
targets a
receptor on the bacteria's
cell surface that is essential to its survival.
One approach is to give patients specific antibodies that
target the homing devices (essentially chemical
receptors) in white blood
cells, rendering the tumor
cells immunologically visible.
But only after engaging the
target and adjusting their antigen
receptors over many generations (as B
cells do by mutating their antigen
receptor genes) can this lineage of
cells produce VRC26 bnAbs.
Once they are engineered with antibodies that bind to specific
receptors on the surface of
targeted cells, these nanoparticles also can, in principle, become highly specific to the disease they are designed to treat.
Monk also said that Gpr56 belongs to a large class of
cell receptors that are common
targets for many commercially available drugs, making the protein attractive for further research.
Using newly discovered information, the researchers made significant advances in developing a family of drug candidates that
target a
receptor known as peroxisome proliferator - activated
receptors gamma (PPARγ), a key regulator of stem
cells controlling bone formation and bone resorption and a master regulator of fat.
The team led by John Hogenesch, PhD, a professor of Systems Pharmacology and Translational Therapeutics in the Perelman School of Medicine at University of Pennsylvania and Jason DeBruyne, PhD, a former postdoctoral fellow in the Hogenesch lab and now an assistant professor at Morehouse School of Medicine in Atlanta, applied their new method to identifying other clock partners that
target a multipurpose
cell nucleus
receptor for disposal.
They can be engineered to go into
cells and snip any gene a researcher wishes to
target (including the gene for the T -
cell receptor CCR5).
«If further studies validate that these processes are critical in human breast cancers,» Koshy notes, «the possibility exists that agents that favorably modify the biophysical properties of the extracellular matrix, or that
target the
receptors and signaling molecules associated with how
cells sense this matrix, could be used as a new avenue for the prevention or treatment of breast cancers.»
In human medicine EGFR is frequently used as the
target of cancer immunotherapy because many cancer
cells bear this
receptor on their surface.
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.
A better understanding of aberrant brain
receptor signaling that leads to nerve
cell dysfunction could reveal a
target for therapy, according to the authors.
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.
«We used different groups of mice, in which either the oestrogen
receptor or RANKL was inactivated in hematopoietic
cells or in mesenchymal
cells, to be able to identify the
target cells of the hormone.
A study in rats published August 25 in
Cell Reports suggests that a different approach that
targets delta opioid
receptors on sensory neurons in peripheral tissues might avoid the side effects and high abuse potential of currently available pain relievers.
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.
The artificial
receptor acts as a lure for the B
cells that
target Dsg3, bringing them into fatal contact with the therapeutic T
cells.
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 vitamin D
receptor is expressed in insulin - secreting pancreatic beta
cells and in peripheral
target tissues such as skeletal muscle and adipose tissue.
The other end, known as the constant region, binds to
receptors on the surface of
cells that can direct the immune system to respond in a variety of ways, all in the hopes of eliminating the
target on the variable end of the antibody.
The researchers, including scientists from pharmaceutical company AstraZeneca, report in an advanced online publication in Nature Medicine on May 4, that their findings indicate «an underappreciated genomic heterogeneity» in mechanisms of resistance to tyrosine kinase inhibitor (TKI) drugs that
target the Epidermal Growth Factor
Receptor (EGFR) mutation that drive some cases of non-small
cell lung cancer (NSCLC).
«The LINK - A dependent HIF1 signalizing cascade and the consequent effects on cancer
cells implicate LINK - A and LINK - A interacting kinases and
receptors as promising therapeutic
targets for TNBC.»