Sentences with phrase «identical cells in»

Scientists ask the same question when genetically identical cells in identical environments — monoclonal cells produced by a single ancestor that replicated — exhibit wildly different behaviors.

But compared to a homogeneous material like water or a magnet — or even a collection of identical cells in a dish — cancer is a hot mess.

Sheltzer, who began his project in the laboratory of Dr. Angelika Amon at MIT and carried it to conclusion in his own research group at CSHL, placed two sets of otherwise identical cells in culture dishes, side by side.

Not exact matches

I would seem to be identical with the history of the assemblage of cells that includes my neurons; my action, in the same way, would seem to be identical with everything that is happening in my body while I perform it.

The maximum difference between load cell output readings for repeated loadings under identical loading and environmental conditions; the ability of an instrument, system, or method to give identical performance or results in successive instances.

• Loss - In - Weight: The compact trapezoid shape is identical to both the volumetric & gravimetric feeder with either a single high performance digital or analog load cell.

In addition, there may be applications where the use of one's own stem cells are needed, even if stem cells from an identical twin are available.

While all cells in a specific organism share the identical DNA sequence, only a fraction of those genes are activated in a given cell type.

Salk scientists and collaborators have shed light on a long - standing question about what leads to variation in stem cells by comparing induced pluripotent stem cells (iPSCs) derived from identical twins.

Several physical measurements, including electron microscopy, assured us that our product was a closed loop coiled tightly around the virus - DNA template and that it was identical in size and other details with the replicative form of DNA that appears in the infected cells.

Two sperm cells from the same father apparently fused with the egg, which then split in the same way that typical identical twins come about.

Another is how cells in a single organism take on different functions despite having identical genomes.

Each person can have about 100 million different receptors, referred to as their T cell repertoire, with little overlap even in identical twins.

The two postembryonic touch receptor neurons in the nematode Caenorhabditis elegans arise from essentially identical cell lineages and have the same ultrastructural features.

Since the algae reproduces by cell division about once per day in the laboratory, numerous genetically identical cultures could be derived from the isolate.

The shape and chemical composition of these granules is identical to organelles found in cells called melanosomes; these being responsible for creating and storing the pigment melanin.

Importantly, these three developmental signatures were found in distinct genetic clones — cells with identical patterns of genetic mutations — of tumor cells.

In almost all organisms, every cell contains identical genes — it is a difference in gene activation that distinguishes a blood cell from a nerve celIn almost all organisms, every cell contains identical genes — it is a difference in gene activation that distinguishes a blood cell from a nerve celin gene activation that distinguishes a blood cell from a nerve cell.

Used as a counter electrode in a dye - sensitized solar cell, the material enabled the cell to convert power with up to 6.8 percent efficiency and more than doubled the performance of an identical cell that instead used an expensive platinum wire counter electrode.

The researchers have shown that it is possible to produce chromosome modifications in human cells that are genetically identical to those observed in leukemia and other types of human cancer.

The case presented in the latest paper, published in the journal Stem Cell Reports, suggests that uneven growth of identical twins could start during the early stages of preimplantation development.

The grubs chewed their way out before the ferns fossilized, but they left behind feces (dark dots in photo), which, Labandeira found, contained resin - filled cells identical to surrounding plant cells.

In abnormal [PSI +] cells, which are genetically identical to normal cells, the important protein clumps together, and the cells are unable to grow under certain conditions.

Bacteria expressing enzyme in one cell (bright green), while genetically identical cells do not, remaining protected from antibiotic onslaught; image courtesy of Yuichi Wakamoto / Neeraj Dhar / John McKinney Some strains of nasty bacterial infections, such as MRSA (methicillin - resistant Staphylococcus aureus), come loaded with resistance to antibiotics built right into their genes.

In 1957, developmental biologists first discovered that they could insert the nucleus of adult frog cells into frog eggs and create dozens of genetically identical tadpoles.

For example, he lumps together competition between genetically identical cells and competition between alleles in a population.

The cells in our bodies can divide as often as once every 24 hours, creating a new, identical copy.

In contrast, the immortalized fat cells allow experiments to be repeated multiple times on identical cells ensuring consistent, reproducible results.

Just as no two people possess the same genetic makeup, a recent study has shown that no two single tumor cells in breast cancer patients have an identical genome.

As with the previous experiment, all the transplanted cells were genetically identical to the mice in which they were injected.

Previous studies in mice have shown, however, that even genetically identical iPS cells can trigger an immune response after transplantation.

The development of each motor neuron was hardwired; each cell was always born in the same order and achieved the identical shape.

In the new study, Mikhail Pogorelyy and colleagues from the Ecole normale supérieure in Paris, and the Shemyakin - Ovchinnikov Institute of Bioorganic Chemistry, Moscow, address this excess of T - cell clone sharing between genetically identical twinIn the new study, Mikhail Pogorelyy and colleagues from the Ecole normale supérieure in Paris, and the Shemyakin - Ovchinnikov Institute of Bioorganic Chemistry, Moscow, address this excess of T - cell clone sharing between genetically identical twinin Paris, and the Shemyakin - Ovchinnikov Institute of Bioorganic Chemistry, Moscow, address this excess of T - cell clone sharing between genetically identical twins.

The team used a statistical model of T cell receptor formation to analyze receptor DNA sequences in blood samples from adult pairs of identical twins.

Mitosis, the cellular division that produces two genetically identical daughter cells, is perhaps the most fundamental process in biology.

We have demonstrated that in winter Helsinki, black cells generate considerably more electricity than traditional cells even though both cells have identical efficiency values,» she adds.

In patients undergoing stem cell injection, the skin changes were essentially identical.

In the new study, published yesterday in PLOS Biology, Heitman and colleagues set out to explore whether genetically identical, unisexually reproducing C. neoformans cells were using aneuploidy to generate offspring that differed from themselveIn the new study, published yesterday in PLOS Biology, Heitman and colleagues set out to explore whether genetically identical, unisexually reproducing C. neoformans cells were using aneuploidy to generate offspring that differed from themselvein PLOS Biology, Heitman and colleagues set out to explore whether genetically identical, unisexually reproducing C. neoformans cells were using aneuploidy to generate offspring that differed from themselves.

About half of melanoma patients harbor an identical tumor - specific mutation in the BRAF gene, which encodes a protein kinase that helps drive cell growth.

In the current paper, knowing that MYC, a transcription factor that binds the genome through sites that are identical to the binding sites of BMAL1, the team hypothesized that aberrant MYC expression perturbs the clock by deregulating components of the circadian network in cancer cellIn the current paper, knowing that MYC, a transcription factor that binds the genome through sites that are identical to the binding sites of BMAL1, the team hypothesized that aberrant MYC expression perturbs the clock by deregulating components of the circadian network in cancer cellin cancer cells.

A cloning in the biological sense, therefore, is a molecule, single cell (like bacteria, lymphocytes etc.) or multi-cellular organism that has been directly copied from and is therefore genetically identical to another living organism.

Two cells growing side by side in a petri dish can not be considered identical.

This is the first direct evidence that cells indeed have an ability to distinguish identical copies of chromosomes and separate them in a regulated manner.

But in a process called asymmetric division, a cell divides into two daughters that are not identical — a skin stem cell divides into another skin stem cell and a regular skin cell, for example.

The first primate clones made by somatic cell nuclear transfer are two genetically identical long - tailed macaques born recently at the Chinese Academy of Sciences Institute of Neuroscience in Shanghai.

But in a paper published in the journal Cell, researchers at the Koch Institute for Integrative Cancer Research at MIT reveal that aneuploidy alone can cause this significant variability in traits, in otherwise genetically identical cells.

Stromal cells that reside in the lymph nodes throughout the body manufacture proteins identical to those made by gut cells and use them to train T cells to ignore certain proteins.

The structure and composition of the erionite from both regions is practically identical, and samples from each place cause mesothelioma - associated changes and inflammation in cell culture and mouse lungs.

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.

Brain cells in those areas did not have identical DNA.