Sentences with phrase «human cell receptors»

They inserted human cell receptors — protein molecules that let outside signals into the cell — into the nanodiscs, the first time this has been done to capture a virus capsid.
The technique is designed to detect and measure the molecular force in the single - molecule interaction by which human cell receptors are activated.

Not exact matches

It just so happens that fat cells have human growth hormone receptors, and growth hormone stimulates them to break down triglycerides and suppresses their ability to take up and accumulate circulating lipids.
The human body has about 1,000 kinds of such receptors, structures on the surface of cells, which let the body respond to a wide variety of chemical signals, like adrenaline.
Specifically, when capsaicin frequently binds to receptors within the human central nervous system's TRPV1 channel (the sensory receptor system for pain and heat detection), these receptors deplete and this depletion results in a whole host of benefits for the central nervous system at large, including terminating cancer cells, increasing the metabolic rate and digestive efficiency, increasing circulatory blood flow, and combatting inflammation, and making you feel better about the world.
Capsaicin only inflames human cells because heat - detecting proteins in our nerve endings called TRPV1 receptors become activated in the chemical's presence, mistakenly interpreting capsaicin as a sign of extreme heat, and sending the body's burn defenses into overdrive.
Effects of myo - inositol versus fluoxetine and imipramine pretreatments on serotonin 5HT2A and muscarinic acetylcholine receptors in human neuroblastoma cells.
Like the Rosetta Stone that scholars used to decode hieroglyphics, researchers trained the algorithm with more than 4,600 T cell receptors and then used it to correctly assign 81 percent of the human T cells and 78 percent of mouse T cells to one of 10 different viral epitopes.
The unaltered hemagglutinin is akin to a key that unlocks a so - called receptor molecule in cells lining the upper airways of humans and other mammals.
Lab testing showed that the plant - made virus particles, which naturally bind to receptors on cancer cells, were taken in by human breast cancer cells.
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.
Now, scientists from the Perelman School of Medicine at the University of Pennsylvania reveal that the release of AMPs is partially controlled by bitter taste receptors in the upper airway on a cell previously identified in animals and only recently in humans known as solitary chemosensory cells (SCCs).
The teams at AFB International and Integral Molecular studied the behavior of two different cat bitter taste receptors in cell - based experiments, investigating their responsiveness to bitter compounds, and comparing these to the human versions of these receptors.
The scientists harvested the mutant hemagglutanin proteins from the cells and tested how strongly they bound to human - type and bird - type receptors.
They added the modified adrenaline compound, called CP - 331679, to cultured human fat cells, and saw that the receptors were activated and were triggering a biochemical cascade inside the cell.
The LPA receptor is expressed in the brain of human fetuses, just as in mice, and in the same types of neural progenitor cells.
Although SB 247464 doesn't work with human cells, the discovery will spur the pharmaceutical industry's search for protein - mimicking drugs, says Mark Goldsmith, who studies cytokine receptors at the University of California, San Francisco.
The result, published January 5 in Science Immunology, suggests that the protein, a receptor involved in immune cell signaling, plays a role in spontaneous abortions and other human pregnancy complications.
Although the Nppb - knockout mice lived a normal lifespan, when the researchers killed the receptor cells in the spinal cord, the mice died prematurely, suggesting that it could be dangerous to try humans, Hoon says.
«Plasmodium falciparum malaria parasites have evolved several key - like molecules to enter into human red blood cells through different door - like host receptors.
When BPA hits cell receptors, it is as powerful as estradiol, the most potent estrogen in humans.
Specifically, the study — reported online in The Journal of Infectious Diseases — shows that E. coli K1 modulates the protein peroxisome proliferator - activated receptor - gamma (PPAR - γ) and glucose transporter - 1 (GLUT - 1) levels at the blood - brain barrier in human brain microvascular endothelial cells.
Because of a quirk of evolution, these plant chemicals are close enough to the natural hormone's shape to bind to the oestrogen receptors on cells in the human body.
In laboratory studies reported in the Proceedings of the National Academy of Sciences (PNAS), the researchers found that these «neutralizing» antibodies prevented a key part of the virus, known as MERS CoV, from attaching to protein receptors that allow the virus to infect human cells.
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.
Newly - discovered mechanism of action of the bacterial superantigen toxins: Superantigens bind to both B7 - 2 and CD28, the major costimulatory receptors expressed on human immune cells.
In experiments in mice and human cells, researchers found that blocking CXCR4 — a so - called homing receptor protein molecule that helps T cells mature and attracts blood cells to the bone marrow — halted disease progression in bone marrow and spleen tissue within two weeks.
MERS CoV (CoV stands for coronavirus) has on its surface an array of spike - shaped proteins that bind to host cells — specifically to receptor proteins called DPP4 on the surface of cells that line human airways.
Here, Patil et al. have carried out single RNA - seq and sequenced the T cell receptors (TCRs) of CD4 + T cells from human blood to identify precursors that give rise to CD4 - CTLs.
«The novelty of this study is two-fold: We used a preclinical prevention paradigm of a CRF - antagonist (a drug that blocks the CRF receptor in brain cells) called R121919 in a well - established AD model — and we did so in a way that draws upon our experience in human trials.
She helped lead a GSK project focused on designing a monoclonal antibody to link to the HER3 receptor on human cells as a treatment for cancer.
In humans, MS4A receptors have previously been found in the intestines, lung cells, and even sperm cells.
By activating the Ret receptor, the scientists were able to prevent in flies and human cell cultures the degeneration of mitochondria, which is caused by a gene defect related to Parkinson's disease.
Organ transplantation is a challenge, requiring immunosuppressive drugs and careful matching of donor and recipient for human leukocyte antigen markers, receptors on immune cells that recognize foreign proteins.
Varki studies siglecs, small groups of receptors that thickly stud the immune T cells of monkeys and apes but are few and far between in humans.
The first human trials testing genetically engineered cells missing the CCR5 receptor, begun in 2009, have been small but impressive.
A study from the Wellcome Trust Sanger Institute, the Wellcome Trust Centre for Human Genetics and their collaborators has identified a genetic rearrangement of red blood cell glycophorin receptors that confers a 40 per cent reduced risk from severe malaria.
Plasmodium parasites infect human red blood cells and gain entry via receptors on the cell surface.
He is part of the team that cloned the gene for the human T cell receptor in 1984, which he describes as «the Holy Grail of immunology.»
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.
«Natural resistance to malaria linked to variation in human red blood cell receptors: First study to identify protective effect of glycophorin gene rearrangements on malaria.»
Dr. Mak is an internationally acclaimed immunologist renowned for his 1984 cloning of the genes encoding the human T - cell receptor.
«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.
From these early studies, it became clear that insulin (a hormone secreted by the pancreas that signals cells to absorb sugar) and its receptors are critical for longevity in species from yeast or fungi to humans.
In the process, the plasma membrane receptor Fas (CD95) is key; this cell receptor occurs in almost all human cells and is involved in programmed cell death (apoptosis).
Josef Singer and Judith Fazekas, both lead authors of the study, discovered that a receptor frequently found on human tumor cells (epidermal growth factor receptor or EGFR) is nearly 100 percent identical with the EGF receptor in dogs.
To find out, the team engineered baby hamster kidney cells to express the human ACE2 receptor.
Their experiments with lab - grown mouse and human T - cells suggest that people with cancer who have a greater variety of such receptors may respond better to immunotherapy drugs and vaccines.
Dr. Shiloh and his team currently are working to discover the human cell - surface receptors for Mtb that are involved in the bacteria's M - cell translocation, as well as to determine the exact machinery used by the cell to move the bacteria from the surface to the bottom of the cell.
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