Sentences with phrase «of fibroblast cells»

The DP consists of a small group of fibroblast cells derived from the mesoderm.
It spurred the fastest growth of fibroblast cells, with 17 per cent more cells formed after six days as in a control culture.
The research has also investigated the role of Rho - kinase inhibition on cellular - scale protein expression and stimulation of cellular differentiation of fibroblast cells.
This microscopic image of fibroblast cells shows the induction of cell fusion by a newly described gene and its protein, called myomerger.
Mechanosensitivity of fibroblast cell shape and movement to anisotropic substratum topography gradients.
Multi-drug resistance protein 4 (MRP4)- mediated regulation of fibroblast cell migration reflects a dichotomous role of intracellular cyclic nucleotides.

Not exact matches

Using patient's own tissue and specific combination of reprogramming factors, skin fibroblasts are successfully converted to cell type that... Continue reading Breakthrough Device Looks to Heal Organs
In a preliminary experiment, the team found that stem cells produced from fibroblasts of men with Klinefelter syndrome also lost the extra sex chromosome.
The team took small pieces of ear tissue from XXY and XYY mice, cultured them, and collected connective tissue cells known as fibroblasts.
They turned the fibroblasts into stem cells and noticed that in the process, some of the cells lost the extra sex chromosome.
Ueli Schibler of the University of Geneva showed in 1998 that the per genes of rat connective - tissue cells called fibroblasts are active according to a circadian cycle.
The team also transplanted treated fibroblasts into the hearts of live mice, where they developed into cardiomyocytes (Cell, DOI: 10.1016 / j.cell.2010.07.002).
Working with human breast tissue, the new study's authors attempted to induce EMT in normal cells; they figured they would just get fibroblasts, a type of connective tissue that is important in wound healing.
Repeated transfection of two expression plasmids, one containing the complementary DNAs (cDNAs) of Oct3 / 4, Sox2, and Klf4 and the other containing the c - Myc cDNA, into mouse embryonic fibroblasts resulted in iPS cells without evidence of plasmid integration, which produced teratomas when transplanted into mice and contributed to adult chimeras.
A team led by Byeong - Chun Lee of Seoul National University in South Korea created the dogs by cloning fibroblast cells that express a red fluorescent gene produced by sea anemones.
The production of virus - free iPS cells, albeit from embryonic fibroblasts, addresses a critical safety concern for potential use of iPS cells in regenerative medicine.
So Izpisúa Belmonte and his colleagues harvested fibroblasts, which are far more common than stem cells, from the skin of people with the bone marrow disease Fanconi anaemia.
Ding's team took cells called fibroblasts from the connective tissues of mouse fetuses and bathed them in a cocktail of the four polyarginine - tagged proteins for 12 hours, then they removed the reprogramming proteins for 36 hours, and repeated this cycle four times over.
The team also tested nanoparticle absorption for other kinds of human cells, including fibroblasts from donors of older ages and found significant differences.
The researchers — James Robl, a developmental biologist and his colleagues at the University of Massachusetts at Amherst, and Steve Stice at Advanced Cell Technology in Worcester, Massachusetts — inserted a marker gene fused with a gene for resistance to the chemical neomycin into a culture of connective tissue cells called fibroblasts.
«Fibroblast growth factor receptor inhibitors are new therapies being developed in clinical trials for patients whose cancer cells have genetic alterations in this family of genes,» says Roychowdhury, a member of the OSUCCC — James Translational Therapeutics Program.
Conventional, high - dose chemotherapy treatments can cause the fibroblast cells surrounding tumors to secrete proteins that promote the tumors» recurrence in more aggressive forms, researchers at Taipei Medical University and the National Institute of Cancer Research in Taiwan and University of California, San Francisco, have discovered.
It takes far more expertise, however, to remove dozens of PERV genes at once, as eGenesis does in pig fibroblasts, which are connective - tissue cells.
A new study by researchers at The Ohio State University Comprehensive Cancer Center — Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC — James) has identified a mechanism by which cancer cells develop resistance to a class of drugs called fibroblast growth factor receptor (FGFR) inhibitors.
The researchers found that, in response to the maximum tolerated doses of several commonly used chemotherapy drugs, breast cancer - associated fibroblasts secrete large amounts of cell signaling proteins called ELR + chemokines.
Amounts of telomerase RNA increased in immortal cells derived from primary mouse fibroblasts.
To find out, John O'Neill, a biologist at the Medical Research Council's Laboratory of Molecular Biology in Cambridge, U.K., and his team studied skin cells known as fibroblasts, which are essential for wound healing.
The «target» cells on the other side of the BeWo barrier to the nanoparticles were human fibroblast cells, found in skin and connective tissue.
Avivi's team has found out that fibroblast skin cells from the armpits of the rats can kill human cancer cells in a dish.
When cells that produced IL - 21 were put in culture with synovial fibroblasts (which are the main contributors to joint inflammation in rheumatoid arthritis), they induced the production of proinflammatory cytokines by these synovial fibroblasts, and cells that do not produce IL - 21, did not demonstrate this same outcome.
Importantly, the new technique grows the pluripotent stem cells as floating spheres in high concentrations of two growth factors, fibroblast growth factor - 2 and epidermal growth factor.
Two months after therapy, tissue analysis showed less scarring and higher levels of regenerative agents such as fibroblast growth factor — which accelerate healing — in rats treated with SIS plus stem cells compared with those treated with SIS alone.
In studies with human fibroblasts that make up connective tissue, Boger's team tested whether NOD1 activity could affect CMV replication in cultures of cells grown in the lab.
To see if the same chain of events happens in rheumatoid arthritis, Smith's team tested whether various kinds of fibroblasts would spur T cell migration in test tubes.
In a related paper published online today in Nature Biotechnology, Konrad Hochedlinger of the Harvard Stem Cell Institute in Cambridge and his colleagues compared the gene expression patterns in mouse iPS cells derived from white blood cells, muscle precursor cells, immune system cells called B cells, and fibroblasts taken from tail tips.
Immune T cells, on the other hand, overruled the protection of the fibroblasts.
Previous studies of naked mole - rat cells have found that fibroblasts and their secretions have anti-cancer activity.
Hamlyn, working with Richard Schmidt of the School of Pharmacy at the University of Wales in Cardiff, exposed human fibroblast cells to six fungi strains.
For many years, tattoos were thought to work by staining fibroblast cells in the dermal layer of the skin.
A study by Mo's group in a 2011 issue of Experimental Biology and Medicine (236:604 - 613) showed that normal fibroblasts are 10-fold more resistant than murine B16 melanoma cells to geranylgeraniol - mediated growth suppression.
The tissue, called the stroma, includes fat cells, or adipocytes, that provide padding; fibroblasts, which make the framework for tissue; pericytes in blood vessels, which are contractile cells that help regulate blood pressure; as well as myoepithelial cells comprising the outer layer of the ductal system through which milk flows.
One found that a chemical compound caused valve fibroblasts to become active, similar to what is observed during valve disease, but the other study indicated that the same compound prevented the cells from calcifying, indicating that a key piece of the valve disease puzzle was missing.
The experiments, including studies conducted in a bioengineered 3 - D model of lung tissue seeded with relevant cells, showed that CHI3L1 regulates a pathway that recruits cells such as macrophages and fibroblasts that produce the scarring, or fibrosis.
In the online edition of Science, he and his colleagues report that Oct4 and Sox2 were capable of converting neonatal foreskin fibroblasts into cells similar to Yamanaka's, whereas Nanog significantly boosted the frequency of reprogramming and Lin28 upped it by a moderate amount.
Skin - producing cells called fibroblasts from the tip of an adult mouse's tail have been reprogrammed to make eggs, Japanese researchers report online October 17 in Nature.
Now Yamanaka and his colleagues report in the journal Cell that the same combination of genes induced pluripotency in commercially available human fibroblasts (connective tissue cells that play a crucial role in healing) derived from the facial skin of a 36 - year - old woman, the joint tissue of a man, aged 69, and a newborn, respectively.
Normal fibroblasts form a meshwork of fibronectin that helps support cells.
«Scientists have thought that fibroblasts are terminally differentiated, meaning they can't adopt the fate of other kinds of cells; but our study suggests this may not be entirely true,» said Eric Ubil, PhD, a postdoctoral fellow at UNC and first author of the Nature study.
Researchers from the UNC School of Medicine have discovered that cells called fibroblasts, which normally give rise to scar tissue after a heart attack, can be turned into endothelial cells, which generate blood vessels to supply oxygen and nutrients to the injured regions of the heart, thus greatly reducing the damage done following heart attack.
Cells called cancer - associated fibroblasts arrange a normal meshwork of fibers into straight tracks, cell biologist Begum Erdogan of Vanderbilt University in Nashville and colleagues reported December 13 at the annual meeting of the American Society for Cell Biolcell biologist Begum Erdogan of Vanderbilt University in Nashville and colleagues reported December 13 at the annual meeting of the American Society for Cell BiolCell Biology.
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