Sentences with phrase «populations of cells for»

Not exact matches

(i) a woman's right to choose; (ii) teaching evolution in school; (iii) medical immunization of teen girls against HPV; (iv) assisted suicide; (v) gay marriage; (vi) my right to view art and theatre deemed «offensive,» «blasphemous» or «obscene» by theists (vii) basic $ ex education for older school children; (viii) treating drug abuse as principally a medical issue; (xi) population control; (x) buying alcohol on a Sunday; (xi) use of condoms and other contraceptives (xii) stem cell research.

(i) a woman's right to an abortion; (iii) medical immunization of teen girls (and boys) against HPV; (iv) assisted suicide; (vi) gay marriage; (vii) my right to view art and theatre deemed «offensive,» «blasphemous» or «obscene» Catholics; (viii) basic $ ex education for older school children; (ix) treating drug abuse as principally a medical issue; (x) population control; (xi) buying alcohol on a Sunday in many places; (xii) use of condoms and other contraceptives; (xiii) embryonic stem cell research; (xiv) little 10 year - old boys joining organizations such as the Boy Scouts of America, regardless of the religious views of their parents; and (xv) gays being allowed to serve openly in the military.

With 212 million cell phone users in the US — about 75 % of the population — the potential for using mobile phones («mo - phos,» as the kids call them) as a tool to grow your organization's visibility and spread your message is enormous.

In addition to maintaining stem cell populations and keeping the brain supplied with all its cell types, the investigators showed that NAD also is vital for the process of cognition itself.

Prof. Jean - Christophe Marine (VIB - KU Leuven): «Unexpectedly, this ability to divide and contribute to melanoma development contrasted with the activities of other cell populations, such as melanocyte stem cells found in hair follicles, for instance.

The study, «Spectrophotometric analysis at the single - cell level: elucidating dispersity within melanic immortalized cell populations,» was supported in part by the Mizzou Advantage program, an initiative that fosters interdisciplinary collaboration among faculty, staff, students and external partners to solve real - world problems in four areas of strength identified at the University of Missouri, including Food for the Future, One Health / One Medicine, Sustainable Energy and Media of the Future.

Small populations of adult stem cells with somewhat limited developmental potential are responsible for the body's ability to heal injuries and replace worn out cells and tissues, and evidence is growing that rare cancer stem cells are responsible for the uncontrolled growth of some malignant tumors, including glioblastoma.

In order to thoroughly investigate cures for a diverse population, cell lines from a large sampling of individuals are needed.

In the last few years, a bulk of data pointing to a small population of cells in tumors that maintain tumor growth, are particularly resistant to chemotherapy, are responsible for relapses, and develop metastases.

Tanyi and colleagues made each patient's vaccine by sifting through the patient's own peripheral blood mononuclear cells for suitable precursor cells, and then growing these, in the lab, into a large population of dendritic cells.

Next, they used a technique called fluorescence - activated cell sorting to separate out the newly differentiated retinal ganglion cells from a mixture of different cells into a highly purified cell population for study.

According to Semenza, «Chemotherapy may kill more than 99 percent of the cancer cells in a tumor but fail to kill a small population of cancer stem cells that are responsible for subsequent cancer relapse and metastasis.»

«Young students of cognitive neuroscience are lucky to be in the midst of a new era where we have access to amazing new tools of science for eavesdropping on the population of cells with a superb temporal resolution,» Parvizi says.

Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via neural signals.

They then examined genetic variants throughout the human genome for their effects on gene expression in these two representative populations of immune cells.

Professor Gianni Liti, a senior author on the paper from the Institute for Research on Cancer and Ageing, Nice, said: «We were able to study the evolution in time by combining genome sequences of the cell populations and tracking the growth characteristics of the yeast cells.

For instance, researchers often use so - called «gene guns» to fire particles coated with strands of DNA known as plasmids at large populations of cells.

For Helicobacter pylori, a pathogenic bacterium that colonizes over 40 percent of the world population and is associated with gastric cancer, the team discovered that epigenetic heterogeneity can quickly emerge as a single cell divides, and different subpopulations with distinct methylation patterns have distinct gene expressions patterns.

By measuring for the presence of a molecule associated with cell division, the scientists determined that this residual population of dormant cancer cells consisted of an indolent as well as a quiescent population.

Scientists have found some serious loot in that bemoaned organ, including a vigorous population of flexible stem cells that can be coaxed into acting as new cartilage or tendons for damaged joints.

A couple of other research groups have also sorted stem cells based on gene expression, but they have not done so specifically with the goal of enriching cell populations for a specific tissue, the researchers said.

However, the timing of this shutdown is important because if the competing pathway is necessary for cell growth, turning it off limits the population size, and the bacteria won't produce enough of the desired compound.

In the cases, just this last couple of elections, where stem cell politics, for example, has been played out in the electoral process, stem cell research is [has] done better than the winning candidates for offices; and I think, apart from that, I think that we do have a serious problem in general education of the sciences and that accounts for the reluctance of a large segment of the population to accept the principles of evolution and think that there is still a debate about it, which there isn't — and that's a problem we need to solve, — but I still think there is an incredible constituency for science in this country.

The use of cell surface markers to isolate specific cell populations is one common method for separating cells; however, isolating live cells based on their RNA expression is a powerful new way enabling the study of small cell niches in nongenetically modified animal models and human tissue.

The code that a monkey's brain uses to represent faces relies not on groups of nerve cells tuned to specific faces — as has been previously proposed — but on a population of about 200 cells that code for different sets of facial characteristics.

«Secondary benefits of this trial include the significant improvement in clinical care for children with sickle cell disease at each of the 29 sites because each location had a designated hematologist, neurologist, neuroradiologist and psychologist working as a team to identify and decrease further injury to the brain in this vulnerable population.»

The study, which appears August 3 in the peer - reviewed journal Nature Communications, showed that pairing the chemotherapy with an experimental drug eliminates the deadly population of cells believed to be responsible for repopulating the tumor.

Tumors, for example, are known to contain different populations of cells, some of which are quite different to each other in their genetic makeup.

The technical milestone, presented January 24 in the journal Cell, makes it a realistic possibility for labs to conduct research with customizable populations of genetically uniform monkeys.

Most of the cells that made up the tumors were positive for CA125, but the researchers found a small population that were negative and focused on those, Janzen said.

That is, they contained multiple populations of cells, including the so - called JARID1B cells, which their research suggested was responsible for allowing tumors to survive drug therapy.

For the researchers, says Mathis, another important conclusion can be drawn: «If you want to understand the behaviour and fate of microbial populations, it's sometimes necessary to analyse every single cell.»

What's really impressive about Babar's accomplishment is that he did the work for both papers — one on the role of a population of stem cells in lung cancer development (published in Cell) the other on gene expression in group A Streptococcus (published in PNAS)-- as a participant in summer undergraduate research programs.

Lepidoptera genetics is notorious for the fact that chromosome counts can vary between populations of the same species and occasionally even within cells from the same individual, he explains.

Neuroscientists Jing Wang and Freda Miller, both then at Toronto's Hospital for Sick Children, showed that when nondiabetic mice are given metformin, their memory improves, thanks to an increase in the neural stem cell population and in the number of these cells that develop into healthy neurons in the hippocampus, the brain's memory center.

They have detected, for example, revved up signaling molecules involved in inflammation, such as tumor necrosis factor α (TNFα) and other cytokines; skewed populations of natural killer cells and other immune cells; imbalances in the protein - destroying enzymes called proteases; and a shortening of the telomeres, the «end caps» on chromosomes, which indicates prematurely aged cells.

With the results from both Korea and the UK the presence of both diet and microbe - induced populations of pTreg cells may be required for the development of complete tolerance to food antigens.

«For the broad application of stem cell - derived pituitary cells in the future, cell replacement therapy may need to be customized to the specific needs of a given patient population,» Zimmer says.

A team of researchers at the Massachusetts General Hospital and Harvard Medical School in Boston has developed technologies for precision measurement of cell migration speed before and applied the new tool to study the variations of migration speed in population of cancer cells.

Researchers have identified a population of «progenitor» cells in the skin that are solely responsible for the generation and maintenance of touch - sensing Merkel cells.

Microfluidic tools for precision measurements of cell migration speed reveal that migratory speed of individual cells changes stochastically from parent cells to their descendants, while the average speed of the cell population remains constant through successive generations.

In this work, we use the DNA of living cell populations as genomic «tape recorders» for the analog and distributed recording of long - term event histories.

A more alkaline growth medium, for example, made the autoinducer less stable, slowing activation of the cell - suicide gene and increasing the population.

In a mouse model of type 1 diabetes, RGS1 affects the population of one type of T cell called a «T follicular helper cell» that is critical for B cells and antibody production, Dr. Kissler and his colleagues reported recently in Genes and Immunity.

These results collectively suggest that neural stem cells need MSI1 to generate enough neurons for normal brain size, but the presence of MSI1 also increases the vulnerability of these cells to Zika infection, leading to the death of the population which ultimately results in microcephaly.

Targeting the labeled cells for analysis, they revealed that their organoids contained a population of sensory cells that have the same functional signature as cells that detect gravity and motion in the human inner ear.

Researchers at the Institute for Stem Cell Therapy and Exploration of Monogenic Diseases (I - Stem — Inserm / AFM / UEVE), in collaboration with CNRS and Paris Descartes University, have recently developed a new approach to better control the differentiation of human pluripotent stem cells, and thus produce different populations of motor neurons from these cells in only 14 days.

These proteins are crucial for tissue healing by instructing various processes, including the activation of specific stem cell populations, ensuring that lung tissue can be restored to its original condition.

«The basic assays for repeat number, methylation status, and the number of uninterrupted repeats cost less than $ 5, the mark typically considered the threshold for population - based screening,» said Bruce Hayward, PhD, a Senior Research Fellow in the Laboratory of Cell and Molecular Biology and the report's first author.

Dr. Sharma theorized that the diagnosis of sleep disordered breathing could be missed in this population because adults with sickle cell disease are not generally obese, a common risk factor for apnea, and daytime sleepiness is attributed to the pain medications necessary to treat symptoms of the disease.