Sentences with phrase «stentor cell fragments»

These include blood - derived leukocytes, cells of the mammary epithelium, stem cells and cell fragments, which provide immune - protection to the infant.

(Patients may also receive infusions of white cells that help fight infection or platelets, the small, colorless cell fragments that help stanch bleeding by clotting.)

Previous studies had shown that if you cut a Stentor cell in half, each cell fragment will regenerate into a fully functional cell with a mouth and tail.

«The method we used involved the sequencing and quantification of RNA molecules in individual cell fragments, something that was never done before,» says Dr. Thijs Ettema, associate professor at the Department of Cell and Molecular Biology, Uppsala University, who led the study.

New paper available: RNA sequencing of Stentor cell fragments reveals key processes underlying cellular regeneration

As it also generates transcriptome data from separate Stentor cell fragments, it paves the way for future investigations of transcriptional responses below the level of individual cells.

Our new study uses transcriptomics of cell fragments of the ciliate Stentor to reveal the importance of protein phosphorylation, microtubule - based processes and genes involved in the cell cycle for cellular regeneration.

Red blood cells are recycled here; platelets (a small colorless disk - shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting) and white blood cells (less technical term for leukocyte which include lymphocytes, granulocytes, monocytes, and macrophages) are stored in the spleen.

Casts are accumulations of cell fragments and debris that built up in the small tubules that lead urine from its formation in the kidneys to its storage in your dog or cat's bladder.

Not exact matches

Sometimes these fragments end up being reabsorbed by the embryonic cells.

TruePrime LB addresses current liquid biopsy sensitivity and specificity issues by using adapted amplification of cancer - specific, large - fragment, cell - free DNA based on primer - free technology that combines the enzymes TthPrimPol and Phi29 DNA polymerase.

In Robinson's lab, Sharon studied protein - protein interactions within proteasomes, large multiprotein complexes that clear cells of unwanted proteins by degrading them into small peptide fragments.

In SIF - seq, hundreds or thousands of DNA fragments to be tested for enhancer activity are coupled to a reporter gene and targeted into a single, reproducible site in embryonic cell genomes.

Small protein fragments, also called peptides, are promising as drugs because they can be designed for very specific functions inside living cells.

The «bad» ApoE4 form tends to be broken down into toxic fragments that damage the cell's energy factories — the mitochondria — and alter the cell skeleton.

In another study, Rezende helped functionally characterize the specific fragments of the cell surface protein, Als5p, that allows the pathogenic fungus, Candida albicans, to bind to its host.

The chromosomes here were isolated from cells, heated until each DNA double helix unzipped into two complementary strands, and then mixed with previously prepared, tagged DNA fragments.

Some lab tests have shown nano - sized plastic fragments can enter cells and cause tissue damage.

As those cells proliferated in laboratory dishes, the bits of human DNA were also copied, creating cell lines, each of which had a different fragment.

In June, however, researchers reported evidence of blood cells and collagen fibers in poor - quality fossil fragments that were 75 million years old.

The task of HLAs is to bind to fragments of proteins that are broken down in the cells, transport the fragments to the cell surface and present them to the T - lymphocytes.

The presence of the dead, snarled nerve cells and sticky protein fragments characteristic of Alzheimer's in the main smell - processing structures of these deceased patients could suggest the disease gets its start in the olfactory system.

These improvements push the boundaries of nucleic - acid detection and fragment sizing, affecting applications such as single - cell nucleic acid analysis, PCR - free preparation of NGS library preparation, bacterial artificial chromosome clone sizing, and exosome analysis.

When the team used fragments of interfering RNA to sabotage the production of beta - catenin in these stem cells, the blood cells returned to an early leukaemic state.

But additional research has confirmed that structures resembling blood cells and collagen protein fibers — key elements of connective tissue — were preserved in six of eight fragments.

The answer could lie in tiny fragments of RNA that are passed on in sperm cells.

«The gene has been cloned, and we know it interferes with the production of toxic amyloid fragments,» says Ralph Nixon, a professor of psychiatry and cell biology at New York University School of Medicine and a past chair of the Medical and Scientific Advisory Council of the Alzheimer's Association.

Neurobiologist Ulo Langel of Stockholm University in Sweden, with colleagues at several other labs, solved this problem by pairing PNAs with fragments from two other proteins — transportan or pAntp — that use an unidentified mechanism to slip easily into cells.

However, fragments of viral DNA remain and are detected by the resting host cell.

Aborted viral DNA fragments are quickly removed during infection by cell - free HIV particles, so they are not detected by the cell's defensive system.

When prompted, fragments of a tRNA synthetase come together and charge a tRNA with a bio-orthogonal amino acid (N3), which is inserted as a recognizable tag into all subsequent proteins made in the cell.

However, in cell - to - cell transmission, the viral DNA fragments overwhelm cell maintenance, building up until they surpass a threshold and are detected.

They checked that the viral gene fragments in the child and mother were a close match, and double - checked that the samples of blood cells from the child were his and no one else's, by matching them genetically with the mother.

DCs are specialized immune cells that can ingest foreign antigens, degrade them and present the fragments on their surface to activate T cell - mediated immunity.

There it passes on the fragments to other immune cells, which produce a distinctive fork - shaped antibody, known as immunoglobulin E, or IgE.

3) Protein binds to HIV fragment on helper T cell and CD3 receptor on killer T cell, activating the killer T cell and bringing the two cells close together.

Desgrosellier said the team will follow up with mouse models containing tumor fragments from patients to better reflect the diversity of cell types present in human disease.

«Our hypothesis was that Lyme bacteria shed vesicle - like particles — or fragments — derived from the cell wall of the bacteria circulating in the serum of individuals.

By cutting gelsolin down to a specific fragment and putting it into chemo - resistant cancer cells, the international team discovered they could make these cells susceptible to the cancer - killing effects of cisplatin.

Expression of the adiponectin gene was reduced in the offspring of sleep - fragmented mothers, especially in their visceral fat cells.

Neuronal cell - glial cell adhesion was inhibited by prior incubation of the neurons with Fab» fragments of antibodies to neuronal membranes.

«The antigens must get far enough into the cell for them to be processed, but must also return — as antigen fragments — to the surface.»

It is the APCs which ingest antigen, break it down, combine the fragments with Class II molecules, return them to the surface and «present» them to T cells.

p53 activates a mitochondrial protease called Omi, which is then released into the cytosol of the cell when Ras causes mitochondria to fragment.

The method has allowed researchers to study key players involved in cell division — which include proteins that form much of the structure of chromosomes, and fragments of DNA that help to orchestrate the process.

Over time, formalin crosslinks proteins in the cells, and fragments and derivatizes both DNA and RNA.

The researchers also found differences in microRNA expression in bipolar cells — tiny fragments of RNA that play key roles in the «reading» of genes.

But rather than delivering the entire gene for the clotting - factor proteins to cells, as most gene therapies do, the researchers used the viruses to engineer immune - regulating B cells to express a fragment of the clotting factor fused to an immune molecule called an immunoglobulin.

Following a single treatment with CRISPR / Cas9, viral fragments were successfully excised from latently infected human cells embedded in mouse tissues and organs.

If it was a mixture of microbes, it would be the perfect sample for a technique she and her colleagues were developing called Hi - C sequencing, which disentangles the genomic sequences of a community of microbe species using formaldehyde to link DNA fragments within the same cell.