Sentences with phrase «on cell response»

These changes have their own impacts on cell response, making it difficult to identify the effects of the drug alone.

Not exact matches

The institute, which includes over 40 laboratories and more than 300 researchers, said the research would focus on modifying a patient's own immune system T - cells to target a tumor, studying ways to boost patient response to current immunotherapy drugs.
Not surprisingly, President Obama received high marks from the journal, largely because his response to the question of whether he would lift Bush's ban on the federal funding of new embryonic stem - cell lines is in line with the view of most in the scientific community.
Looking people in the eye, listening to what they have to say and making an intelligent response that lets them know we really heard what they were saying, not acting like we're in a hurry to move on but have time to listen, letting them know they are more important than our stupid cell phones, encouraging them and letting them know we think they can succeed — all of those things are extremely important in building relationships, including relationships with homeless people.
Since God does not have a monopoly on power, God's will - and consequently God's response to prayers consonant with the divine will - can be and sometimes is thwarted by the recalcitrance of non divine actualities, whether persons or cancer cells.
The poll was conducted Oct. 3 through Oct. 5 by live operators who received responses from 571 likely Syracuse voters reached on landlines and cell phones.
In response to an announcement by Mayor Bill de Blasio and Chancellor Carmen Fariña on lifting the city's existing ban on cell phones and other electronic devices on school property, UFT President Michael Mulgrew issued a statement supporting the decision.
That development is important because a T cell response will likely confer longer - term protection than current inoculations do and defend against a variety of flu strains (because T cells would be on the lookout for several different features of the flu virus whereas antibodies would be primarily focused on the shape of a specific strain).
On its own, this immune response had no immediate effect in the fight against the utilized breast tumors, but in combination with the ADC it proved itself effective in attacking cancer cells in mice, resulting in the complete cure of the majority of mice receiving the combination therapy.
The scientists zeroed in on a type of immune cell called regulatory T - cells, which were known to suppress autoimmune responses.
Commenting on the study for ESMO, Dr Olivier Michielin, head of Personalised Analytical Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland, said: «Omaveloxolone's novel mechanism of action is to block MDSCs, cells known to suppress the immune response.
Epitopes are displayed on the surface of circulating immune cells and are where T cells bind antigens to fuel the immune response.
«This model was trained on genetic data from human tumors in The Cancer Genome Atlas and was able to predict response to certain inhibitors that affect cancers with overactive Ras signaling in an encyclopedia of cancer cell lines,» Greene said.
«As you look for methods to discern complex immune responses in human cells, more and more people look at what genes are turned on with infections or vaccination procedures.»
With our human gut - on - a-chip, we can not only culture the normal gut microbiome for extended times, but we can also analyze contributions of pathogens, immune cells, and vascular and lymphatic endothelium, as well as model specific diseases to understand complex pathophysiological responses of the intestinal tract.»
Based on these ex vivo experiments (in cells isolated from patients and then exposed to PD - L1 blocking agents outside of the body), they predict that when actual patients are given PD - L1 blocking agents, their viral load at the time will influence the «net» outcome, i.e., whether the blockage boosts or weakens the overall anti-HIV immune response.
«That observation is in line with the usual response of cells to oxygen deprivation: they save on the consumption of oxygen by converting glucose to lactate instead of burning the glucose.
He then administered a compound that helps to facilitate activity by receptors that sit on nerve cells and direct the cells» responses to GABA, and the abnormality was reversed.
With reckless ambition, I decided to add this fusion back into cells and then screen for mutants that could not either switch on or switch off the response to heat shock.
They focused on the role of monocytes, immune cells that normally pass along the blood vessels and in response to a local infection move quickly into the affected organ and contribute to the localized immune defense there.
George Klinman, an FDA immunologist and lead author of the report, speculates that dangling the protein in front of the immune system in an unusual setting — on a muscle cell — might be what triggers the inappropriate response.
Based on the response to these pulses, the Prelude can determine when it has reached live underlying skin cells that allow the biosensor to provide a more accurate reading.
The gene encodes a protein called PD - 1 that normally acts as a check on the cell's capacity to launch an immune response, to prevent it from attacking healthy cells.
Preclinical findings revealed that Myb gives immune cells called regulatory T (Treg) cells the «authority» to control the strength of the immune response depending on the level of «threat», from minor infections to aggressive diseases.
Matteo Boretto, the first author on this study, commented that «we were very excited to see that we could not only robustly grow and amplify endometrial tissue in a dish, but that the tiny structures were also able to reproduce normal responses of the endometrium to hormones: oestrogen makes the tissue thicken, progesterone then induces maturation including folding (see picture), and subsequent removal of both hormones mimics the cell shedding of the menstrual period.»
By exposing a magnetically responsive droplet (purple) to a magnetic field, the scientists are able to exert pressure on the surrounding embryonic cells in order to study their response to mechanical forces
The JDF Center for Islet Cell Transplantation will fund 32 researchers to focus on four main goals: Reversing the overactive immune response that kills islet cells; finding new sources for islet cell transplants, such as pigs or genetically engineered cells; persuading the body to accept the transplanted cells without immunosuppressive drugs that often trigger worse side effects than the disease; and overcoming the technical difficulties of transplantatCell Transplantation will fund 32 researchers to focus on four main goals: Reversing the overactive immune response that kills islet cells; finding new sources for islet cell transplants, such as pigs or genetically engineered cells; persuading the body to accept the transplanted cells without immunosuppressive drugs that often trigger worse side effects than the disease; and overcoming the technical difficulties of transplantatcell transplants, such as pigs or genetically engineered cells; persuading the body to accept the transplanted cells without immunosuppressive drugs that often trigger worse side effects than the disease; and overcoming the technical difficulties of transplantation.
Analyzing immune cells in umbilical cord blood from 1074 infants, Zhang and colleagues found that babies who showed hyperactive innate immune responses at birth went on to develop a food allergy when tested at age one.
Interferons are molecules produced by cells in response to viral or bacterial infection, and which act on neighboring cells to prevent the spread of the infection, shut down protein synthesis, and activate the immune system.
They also have varying effects if they act on different receptors — proteins in cell membranes that bind neurotransmitters and control cell responses.
«Our data clearly showed that one of the protein receptors on white blood cells called CXCR3 brings white blood cells to the optic nerve in response to production of its binding partner CXCL10 by damaged nerve tissue,» said Zhang.
Patients in the trial had been on ibrutinib for a minimum of six months and had not achieved a complete response when they received an infusion of engineered cells split over three consecutive days.
She sees all these lines of research converging on the notion that a strong cell - mediated response gives people the best chance of defeating HIV.
Previous studies have found evidence that IL - 27 has a moderating effect on the Th2 response, and in general, keeps T - cells — the «battle tanks» of the immune system — from causing too much damage.
Building on the newly - published pilot study, the team will conduct experiments using a windtunnel which measures the behaviour of mosquitoes towards odours and electrodes which track the response of individual odour - detecting cells from within the antenna of the mosquito in specially - designed secure laboratories at the School to measure the responses of malaria - infected Anopheles gambiae s.s. females to human odours.
Findings based on this new technology are likely to have a profound impact on improving the detection and diagnosis of diseased cells and in evaluating a patient's response to chemotherapy.
When a standard hearing test was performed on these hearing - impaired individuals, the responses of their auditory sensory cells and neurons, although normal to begin with, gradually worsened as the test went on as a result of the sounds used.
«What's remarkable is that B cells are the ones making antibodies and autoantibodies, so they're really crucial in both protective immune responses and autoimmunity,» said Montserrat C. Anguera, assistant professor in the Department of Biomedical Sciences in Penn's School of Veterinary Medicine and the senior author on the study.
«One specific one we're working on is biosensing — cells that can detect specific molecules in the environment and produce a specific output in response,» Del Vecchio says.
The researchers assume that this is the signal that sparks off the response: The bacterial cell now boosts the synthesis of a second messenger, which in turn stimulates the production of an adhesin that firmly anchors the bacteria on the surface within a few seconds.
This blood vessel normalization results in an increased barrier function on the one hand — thereby blocking cancer cell dissemination and metastasis - and in enhanced tumor perfusion on the other hand, which increases the response of the tumor to chemotherapy.
Antril, which is classified as an interleukin - 1 receptor antagonist, occupies the site on cells lining blood vessels where interleukin - 1 docks before it triggers an immune response.
His group focused on another type of immune cell known as primary macrophages and their response to live bacterial pathogens.
RAR molecules are abundant on the surface of cartilage cells, hence the positive targeted response of the drug.
After a median follow - up of 11 months, 11 of the 13 patients who responded remain on the study, including one patient who had non-small cell lung cancer (NSCLC) with a ROS1 gene fusion who has had a complete response that has been maintained for more than two years.
The protein sits on the surface of T cells and helps dampen the activity of the cells after an immune response, but tumors have found ways to hide from T cell attack by flipping on the PD - 1 switch themselves.
The function of these genes were involved in molecular maintenance strategies, such as DNA repair, chromosomal maintenance, immune response and programmed cell death The authors argue that the «slower rate of change in these functions is consistent with increased constraint on somatic cell maintenance as would be required in these relatively long - lived and large - bodied mammals, illustrated by the additional large and long - lived species with slower rates in these genes (e.g. double - strand break repair gene XRCC4 is also highly constrained in elephant.»
The research focused on a compound called neuroprotectin D1 = protectin D1 (NPD1 = PD1), a bioactive lipid produced by cells in response to external stimuli.
In their study, Mazzolini and co-workers found that depending on the region of the cell being hit by the light, the electrical response of the nerve changes.
At the University of Calgary's Diabetes Research Centre in Alberta, immunologist Pere Santamaria is focusing on what he calls «weak» T regs, cells that seem to have only a very feeble antigen response.
a b c d e f g h i j k l m n o p q r s t u v w x y z