Sentences with phrase «tissue cells called»

Allergic reactions such as hives happen when an animal becomes sensitized to a particular allergen, triggering formation of antibodies (immumoglobulin E, or IgE) that attach to specialized connective tissue cells called mast cells and to blood cells called basophils.

However, research in Dr. King's lab has suggested a potentially more effective therapy that uses connective - tissue cells called fibroblasts.

In fact, about a year ago, Jerry Shay and his colleagues at the University of Texas Southwestern Medical Center in Dallas showed that adding the enzyme to normal connective tissue cells called fibroblasts extends their life - span (ScienceNOW, 13 January 1998).

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.

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.

Not exact matches

But in the following hours and days, the body's self - defense mechanisms backfire: White blood cells come in to clean up dead tissue, which causes massive inflammation, which in turn triggers healthy cells in the surrounding tissue to self - destruct in a process called apoptosis.

The building block electronic and protonic actual occasions are, in the case of human beings, swept into vastly more complex, Chinese box - like sets of containing societies within which there are social levels that can be identified with cells, others which answer to Aristotle's levels of tissues and organs, and which finally are presided over by what Whitehead refers to as the regnant nexus, a social thread of complex temporal inheritance which, Whitehead suggests, wanders from part to part of the brain, is the seat of conscious direction of the organism as a whole, and answers to what in Plato and Aristotle is called the soul.

The female breast contains cells called estrogen receptors which are stimulated by the presence of estrogen (or xeno - estrogens) into producing more mammary tissue.

Cancer cells travel around the body and begin to attack healthy tissue in a process called metastasis.

An armada of sentinel cells, called dendritic cells, are decentrally positioned in tissues to take up pathogens.

From the embryonic stem cells, the researchers produced a type of tissue called retinal pigment epithelium (RPE).

«If we want to treat the greatest number of diseases, we need to figure out how to get these molecules inside the cells of patients — not just increasing the number of target cells but also hitting tissues other than the liver,» says Anderson, who co-founded a company called CRISPR Therapeutics to pursue those goals.

This study built on previous research from the Sundrud lab, which showed that when TH17 cells entered the intestine in human tissue samples, they increased the expression of a gene called MDR1.

For unknown reasons our immune system attacks healthy cells, tissues and organs in a process called autoimmunity, which can result in diseases such as multiple sclerosis, type 1 diabetes, lupus or rheumatoid arthritis.

These «organs on a chip,» as they are called, are typically glass slides coated with human cells that have been configured to mimic a particular tissue or interface between tissues.

The technique examines the small molecules, or metabolites, within cells, bio-fluids, tissue, or organisms and their interactions within the larger system, called a metabolome.

These tests indicate that myomerger - deficient muscle cells called myocytes differentiate and form the contractile unit of muscle (sarcomeres), but they do not join together to form fully functioning muscle tissue.

A FATTY apron of tissue called the omentum, which sits over the stomach and intestines, may be the perfect spot to grow patches of cells for heart repair.

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 that included Gary Baker, an assistant professor of chemistry in the MU College of Arts and Science and Gerardo Gutierrez - Juarez, a professor and investigator at the University of Guanajuato in Mexico, decided to supplement an emerging technique called photoacoustic (PA) spectroscopy, a specialized optical technique that is used to probe tissues and cells non-invasively.

The immune cells appear to travel to the lens via a web of ligaments that suspends the lens and connects it to the surrounding muscle tissue called the ciliary body, rich with immune - cell - carrying blood vessels.

Finally, the team grew the tissue in a three - dimensional system, which coaxed it into forming all the structures found in gut tissue, including the finger - like villi that protrude inwards to increase surface area, and recesses called crypts containing the intestinal stem cells that renew the gut lining weekly (Nature, DOI: 10.1038 / nature09691).

One promising approach focused on a drug called TOL - 101, which inhibits the immune cells responsible for rejecting transplanted tissue.

These were surrounded by skin - like cells called fibroblasts, which form the heart's connective tissue.

Within that sting lies a peptide called chlorotoxin, which has an unusual property — it sticks strongly to tumour cells while ignoring surrounding healthy tissue, by binding to a cancer - specific protein called matrix metalloproteinase - 2.

This sapwood consists of conductive tissue called xylem (made up of small pipe - like cells).

Cancer cells are surrounded by other cells called «stromal cells», which can make up 80 per cent of pancreatic cancer tissue.

A promising alternative to hESCs emerged in 2006 when researchers produced so - called induced pluripotent stem cells (iPS) from ordinary tissue such as skin.

She «is willing to retract a paper concluding that so - called STAP stem cells can form a wide variety of tissues, but does not intend to retract the paper describing how to make those stem cells.»

He determined that a compound produced by the mold, which he called penicillin, could kill pathogenic bacteria but not white blood cells or human tissue.

The technique, called stimulated Raman scattering (SRS) microscopy, generates videos of moving cells deep inside tissue and could replace biopsies in the diagnosis of cancers.

Drugs that enhance a process called oxidative stress were found to kill rhabdomyosarcoma tumor cells growing in the laboratory and possibly bolstered the effectiveness of chemotherapy against this aggressive tumor of muscle and other soft tissue.

The enzyme, called tankyrase, may prove useful for extending the lives of cultured cells grown to repair burned skin and other damaged tissue.

These so - called pluripotent stem cells can be derived from a variety of adult cells and be guided into almost any other tissue type.

In addition, the polymer - based material, called Parylene C, is less invasive and damaging to surrounding cells and tissue than previous microelectrode arrays comprised of silicon or microwires.

«Our data clearly showed that one of the protein receptors on white blood cells called CXCR3 brings white blood cells to the optic nerve in response to production of its binding partner CXCL10 by damaged nerve tissue,» said Zhang.

What's more, the researchers discovered two years ago that the suppression of Esrp activity helps to enable a process called the epithelial - mesenchymal transition (EMT), in which epithelial cells acquire properties allowing them to detach and develop into new tissue.

However, ChABC gene therapy decreased the presence of these cells and increased the presence of other immune cells called M2 macrophages that help to reduce inflammation and enhance tissue repair.

Current thinking regarding type III hypersensitivity is that immune cells within tissues sense the presence of these immune complexes (ICs) through specific receptor molecules and release inflammatory factors called cytokines that activate the endothelial cells lining adjacent blood vessels to promote the recruitment of neutrophils.

These transgenic stem cells also readily created intestinal tissues called «organoids» in laboratory dishes.

The same compound promotes the growth of tooth tissue called dentine — a protective material between the sensitive pulp inside a tooth and the enamel on its surface — so Cohen believes that the type of tissue formed partly depends on the neighbouring cells.

In a boon to stem cell research and regenerative medicine, scientists at Boston Children's Hospital, the Wyss Institute for Biologically Inspired Engineering at Harvard University and Boston University have created a computer algorithm called CellNet as a «roadmap» for cell and tissue engineering, to ensure that cells engineered in the lab have the same favorable properties as cells in our own bodies.

The challenge is to reprogram the energy storing white fat cells into so - called «brite» (brown - in - white) fat cells in the body's white adipose tissue and thus make adipose tissue burn off excess energy as heat instead of storing it.

Since a primary function of the dendritic cells is to present an antigen to T - cells, to activate the T - cells and begin the immune response, the researchers suspected that T - cell activation in the heart tissue, and perhaps heart - tissue injury caused by T - cells, might be central to the pathological heart enlargement that is called remodeling.

Bones need a constant new creation of cells specific to their tissue, including the bone - producing cells called osteoblasts.

By this time I knew that Grace had begun to exhibit various signs indicating destruction of the cells of some of her voluntary muscle tissue, a process called rhabdomyolysis.

Reporting their data Aug. 6 in the journal Molecular Cell, scientists at Cincinnati Children's Hospital Medical Center say the new technology — called SpDamID — could allow scientists to answer basic questions about tissue development and disease that existing technology can not address.

Tumours spread with the help of enzymes called matrix metalloproteinases (MMPs), which destroy the connective tissue between cells and organs, allowing tumour cells to break out of the original site and enter new ones.

In this study, Nicchitta and his colleagues treated tissue culture cells with a stress - inducing agent called thapsigargin.

A study published by Cell Press November 7th in the journal Cell has revealed that an evolutionarily conserved gene called Lin28a, which is very active in embryos but not in adults, enhances tissue repair after injury when reactivated in adult mice.