Not exact matches
Using this strategy, researchers can
engineer specific
cells to produce a surface
receptor that binds to a chemical compound known as CNO, a derivative of clozapine.
T
cells genetically
engineered to make the chimeric antigen
receptor can recognize and target tumor
cells.
When G - CSF activates its
receptor, it ultimately activates proteins called STATs; the team
engineered the
cells to churn out the light - generating protein luciferase, which would be turned on by the STAT molecules.
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.
In a Nature Medicine paper published online October 29 the researchers report they linked Adjudin to an
engineered version of follicle stimulating hormone (FSH), a sex hormone recognized by
receptors found only on the Sertoli
cells.
June's team also wants to knock out two gene segments that encode different portions of the protein that makes up a T
cell's primary
receptor so that the
engineered NS - ESO - 1
receptor will be more effective.
Through gene therapy, researchers
engineered blood - forming stem
cells (hematopoietic stem / progenitor
cells, or HSPCs) to carry chimeric antigen
receptor (CAR) genes to make
cells that can detect and destroy HIV - infected
cells.
In a new study, biomedical
engineers found that by attaching microscopic beads to
receptors on the
cell's surface, they can produce the technique's
cell - stretching, calcium - releasing effects much more safely.
The first human trials testing genetically
engineered cells missing the CCR5
receptor, begun in 2009, have been small but impressive.
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.
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.
Over the past two years, investigators from the Perelman School of Medicine at the University of Pennsylvania have reported results from a human trial in GBM using chimeric antigen
receptor (CAR) T
cell therapy, through which patients» own T
cells were
engineered to track down and kill cancer
cells that express a tumor - specific protein known as EGFRvIII.
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).
The
engineered cells contain an antibody - like protein known as a chimeric antigen
receptor (CAR), which is designed to bind to a protein called CD19 found on the surface of B
cells, including the cancerous B
cells that characterize several types of leukemia.
To find out, the team
engineered baby hamster kidney
cells to express the human ACE2
receptor.
Using modeling techniques he learned as an
engineer, Fahmy worked out why: «It turns out that activated
cells actually have clustered
receptors and naive
cells don't,» he explains.
In human trials, researchers remove some of patients» T
cells through a process similar to dialysis and then
engineer them in a laboratory to add the gene for the CAR so that the new
receptor is expressed in the T
cells.
In the new work, the researchers added serum from Finnish narcolepsy patients who had received Pandemrix to
cells that were
engineered to display human hypo cretin
receptor 2 on their surface.
Mice
engineered to lack either a PAH
receptor or the gene that causes apoptosis weren't harmed by injections of PAH, but normal mice lost most of their egg
cells.
To find out, he
engineered cells in culture to contain either the heat - or cold - sensitive TRP
receptors, which when triggered change the biochemistry of the
cell in a measurable way.
Cancer vaccines,
engineered to continue to train T
cells to mount a strong immune response against your cancer, also haven't been very effective at mounting a strong fight, says He, and likely one weak point is the lack of strong
receptors.
To devise a potential new therapy, the investigators
engineered a population of neural stem
cells to express a potent version of a gene called TRAIL, which codes for a molecule that activates
cell - death - inducing
receptors found only on the surface of cancer
cells.
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.
TNA3: BPRC will offer access to its library of human
cell reporter assays for the identification of innate immune
receptor - induced signalling cascades, including human
cell lines transfected with PAMPs such as TLR and / or
engineered to express luciferase in response to NF - kB or IFRE - mediated signal transduction, and
cell lines that provide insight into the intracellular signalling cascades of innate immune
receptors.
The result of this two - step gene modification — forcing expression of the
receptor for NY - ESO - 1, and adding a blocker gene to nullify the effect of TGF - beta — is a super T
cell engineered to both more effectively kill target cancer
cells and to resist the tumor's attack.»
To produce CAR T -
cells, doctors send a patient's blood to a lab where technicians isolate T -
cells and
engineer them to produce chimeric antigen
receptors, or CARs.
The development of diagnostic and therapeutic nanodevices based on
engineered recombinant proteins capable of recognizing specific tumor
cell receptors is currently actively pursued.
A University of California at Los Angeles (UCLA) study headed by Antoni Ribas, M.D., Ph.D., is a first - in - human phase I clinical trial combining adoptive
cell transfer of a T
cell receptor engineered to recognize NY - ESO - 1 along with Yervoy ® (ipilimumab, anti-CTLA-4).
They now show that
engineering hESC - and iPSC - derived NK
cells with a specific HIV CD4ζ chimeric
receptor enhances the suppression of HIV replication in vitro and study these
cells in a mouse xenograft model [6].
Chimeric antigen
receptor T
cells (CAR - Ts) are a type of
engineered T
cell used in adoptive T
cell transfer.
Recombinant vaults are nonimmunogenic and have undergone significant
engineering, including
cell - surface
receptor targeting and the encapsulation of a wide variety of proteins.
SAN DIEGO, March 28, 2017 (GLOBE NEWSWIRE)-- Invivoscribe ® Technologies Inc., a global company with decades of experience providing internationally standardized clonality and biomarker testing solutions for the fields of oncology, personalized molecular diagnostics ®, and personalized molecular medicine ®, reports that its next - generation sequencing (NGS) LymphoTrack ® Assay kits are being used by its LabPMM ® clinical laboratories, pharmaceutical partners, and cancer centers to identify and monitor chimeric antigen
receptor T -
cells (CAR - T) and
engineered T -
cell receptors in peripheral blood of subjects in support of immuno - therapeutic drug development and treatment regimen development for both hematologic and solid tumors.
Using CRISPR, the paper, published in the journal Blood, describes how genetic deletion of the T
cells» endogenous
receptor eliminates the competition it imposed on the
engineered TCR and the possibility of dangerous hybrid TCR formation.
BPRC will offer access to its library of human
cell reporter assays for the identification of innate immune
receptor - induced signalling cascades, including human
cell lines transfected with PAMPs such as TLR and / or
engineered to express luciferase in response to NF - kB or IFRE - mediated signal transduction, and
cell lines that provide insight into the intracellular signalling cascades of innate immune
receptors.
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.