Sentences with phrase «of labeled cells»

In Thy1 - PE labeling experiments, Ccr6 KO mice showed reduced frequencies of labeled cells, a result that was most significant for the Vγ4 + population (Figure 4G).
Graphs show mean fluorescence intensity (MFI) of labeled cells.
Mouse heart with two sets of labeled cell clones (red and green).

Not exact matches

Germline cells are labelled «immortal»: they have reproduced indefinitely since the beginning of life.
Also, I was pleasantly surprised when I woke up Saturday morning to find that some of my tomato plants I planted last weekend had sprouted!!!!! I was super nervous they weren't going to work out because I made a huge mess planting them and forgot to label the cells in the planter.
Producing «clean» meat by culturing cells — instead of raising or slaughtering animals - is a new frontier in food production that will require consumer education and transparent labeling.
Meanwhile, researchers at Columbia University in New York are working on a way to add dozens of color labels to Raman - imaged cells.
Groups of red and green labelled embryonic cells in a zebrafish during their first migration in gastrulation.
To find it, the scientists injected the eight tumor - bearing mice with high levels of labeled glutamine and glucose, another metabolic compound commonly linked to the growth of pancreatic cancer cells.
Using fluorescent labels, they were able to track the fates of marked and unmarked chromosomes under the microscope, from egg cells and sperm to the dividing cells of embryos after fertilization.
HeLa cells, with proteins labeled in blue and DNA in red, are responsible for over 20 percent of the cell line contaminations.
But it contains four pairs of apparently duplicated images, even though they are labeled as showing different cell lines.
Cell processes are also determined by the chemical labeling (or marks) and specific spatial organization of our genomes, which are epigenetic characteristics — that is, nongenetic but nonetheless inheritable traits.
Greber and his team infected human cells in culture with the chemically labeled viruses, and observed the behavior of the viral DNA during entry into cells.
Now you know that if you take a mouse embryonic stem cell that is, say, labeled so all of the developed cells will be blue, and you inject it into a mouse blastocyst, you'll get a chimera.
Photo of a living Brainbow zebrafish, taken by Zachary Tobias (a research technician in Weissman - Unni's lab), showing a brightly labeled neuron with its cell body (white) at bottom.
After initiating photoreceptor loss in the fish retinas, the researchers monitored the immune system's response by tracking the activity of three types of fluorescently labeled immune cells in and around the eye: neutrophils, microglia and peripheral macrophages.
We have designed a microfluidic device in which we can manipulate, lyse, label, separate, and quantify the protein contents of a single cell using single - molecule fluorescence counting.
In this mouse model, mutations in Kras and p53 genes resulted in the formation of individual tumor cell populations that were labeled with different colors.
A radio - labeled human antibody binds to the viral gp41 protein expressed on the surface of the HIV - infected human lymphocyte and the cell is killed by alpha radiation delivered by the antibody.
By developing a new technique for labeling the gene segments of influenza viruses, researchers now know more about how influenza viruses enter the cell and establish cell co-infections — a major contributing factor to potential pandemic development.
The study, which was led by postdoc Gregor Pilz and PhD student Sara Bottes, used in vivo 2 - photon imaging and genetic labeling of neural stem cells in order to observe stem cell divisions as they happened, and to follow the maturation of new nerve cells for up to two months.
It turned out that 80 % of the BrdU - labeled cells were also tagged with the enolase, confirming that the newborn cells were in fact neurons.
The group employed various viral tracing methods — infecting receptor - expressing neurons with a virus strain and watching them spread as they label infected cells with a fluorescent protein — to visualize the neural circuit downstream of the ESP1 receptor, as well as providing an image of nerve fibers belonging to specific neurons in the brain and synapses relaying impulses from neuron to neuron, to map the anatomical foundation that conveys ESP1 signals in the brain.
To test this, the team infected monocytes with a form of Toxo, labeled red, that can't reproduce, then introduced those cells into mice.
«Now with a single injection, we can label specific cells with a variety of colors within weeks after the injection.»
While researching the life cycle of baker's yeast, Saccharomyces cerevisiae, Gottschling's team figured out a way to label yeast so that they could spot genetic mistakes in daughter cells.
Thanks to the cell - impermeability of the fluorogenic probe, it's possible to label only proteins that appear on the cell membrane.
It has long been known that cells tag proteins for degradation by labelling them with ubiquitin, a signal described as «the molecular kiss of death.»
Accurately labelling neurons with markers such as fluorescence, he says, will probably be the key challenge in the eventual goal of creating a «census» of different cell types in the brain.
Biologists at the University of Cambridge used fluorescent labelling to stain cell membranes in skate embryos, and tracked them through the dynamic development process.
These functions have made it possible to quickly fluorescence - label only GLUT4 that is translocated to the cell membrane by fluorogenic probes and clearly detect fluorescence of GLUT4 translocation to the cell membrane.
The technique, named cell type specific labeling using amino acid precursors (CTAP), exploits the inability of vertebrate cells to synthesize essential amino acids normally required for growth and homeostasis.
This method, known as targeted radionuclide therapy, or TRT, involves the use of molecules labeled with radioactive atoms that are injected into patients and localized in cancer cells.
The researchers solved this problem by developing markers to label the cells of interest and then testing different enzymes and other reagents to draw them out of tissues.
After they had injected the labelled cells to mice, they tracked their locations in various phases of the infarct.
The team went on to show that supplementing heavy stable isotope - labeled forms of these precursors led to incorporation of heavy amino acids into proteins produced in enzyme expressing cells.
Using quantitative mass spectrometry to search for proteins that contained these stable isotope labels, researchers were able to determine the cell of origin of both intracellular and secreted proteins identified in multicellular culture.
They are examining every aspect of cell function and cell structure, looking for clusters of phenotypes that could label a patient's cancer so precisely that it could be linked to therapies proven effective against just that type.
The group of imaging specialists led by Prof. Michael Schäfers, Coordinator of the Cluster of Excellence, labelled the cells thus obtained with various fluorescent dyes in order to be able to study them in living organisms — initially with the optical method of fluorescence reflectance imaging.
Using this, the researchers performed 3D super-resolution imaging of stained structures in the cells, and combined it with 3D label - free phase imaging.
Recombinant proteins containing tetracysteine tags can be successively labeled in living cells with different colors of biarsenical fluorophores so that older and younger protein molecules can be sharply distinguished by both fluorescence and electron microscopy.
Rolls and her colleagues compared the ability of fluorescently labeled stem cells from sleepy and from rested mice to migrate properly from the recipients» blood into the bone marrow.
«This technology allows for the labeling of just one circulating pathological cell among billions of other normal blood cells by ultrafast changing color of photosensitive proteins inside the cell in response to laser light,» explains Dr. Galanzha.
This image shows cell death of the human neural progenitor cells (hNPCs) is mark by cleaved caspase 3 in red, the nuclei of hNPCs are labeled by DAPI in white / grey, and the ZIKA virus is labeled by ZIKA virus envelope protein in green.
The chemical labels newly divided cells, and in their brain tissue, it showed up in a sprinkling of neurons in the hippocampus — a seahorse - shaped structure involved in memory and learning.
Now, a new approach developed by Dr. Ekaterina Galanzha of the University of Arkansas for Medical Sciences in Little Rock and her colleagues allows for labeling and tracking of individual circulating cancer cells throughout the body, thereby helping researchers elucidate the pathways of single cells from start to finish.
To better understand what happens during immune reactions in the body, researchers at Tübingen University have developed a new way of labeling T - cells, allowing them to track the T - cell movement in mice using non-invasive positron emission technology (PET).
«We showed that the presence of the maternal gut microbiota during late pregnancy blocked the passage of labeled antibodies from the circulation into the brain parenchyma of the growing fetus,» says first author Dr. Viorica Braniste at the Department of Microbiology, Tumor and Cell Biology at Karolinska Institutet.
They sent soil samples for DNA testing, looking for matches with particular genes known to be found in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the cells produced; and they used highly sensitive radiorespiration activity assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.
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