Sentences with phrase «skin cells called»

Melanoma is a type of skin cancer that begins in skin cells called melanocytes.
Researchers generally attribute tissue thickening (and ensuing damage to small blood vessels) to hyperactivation of skin cells called fibroblasts.
Gallo's team has now discovered that injury stimulates skin cells called keratinocytes, which surround the wound, to increase the production of vitamin D3 and that this in turn increases the expression of genes (CD14 and TLR2) that detect microbes.
JOE PALCA: Well, John, what they did was they - instead of starting with embryos and using those to derive embryonic stem cells, they started with skin cells, or actually precursors to skin cells called fibroblast, that we all have in our skin.
Xu and his team, which includes researchers from Penn's departments of Dermatology and Biology, as well as the New Jersey Institute of Technology, started with human skin cells called dermal fibroblasts.
For the new study, the team used a cell - reprogramming technique (similar to those used to reprogram skin cells into stem cells) to generate human DRG - type sensory neurons from ordinary skin cells called fibroblasts.
But mounting evidence implicates the immune system in the overproduction of cell - signalling molecules called cytokines, which stimulate skin cells called keratinocytes to express genes that maintain an inflammatory microenvironment.
Fisher's goal was to understand how to strike down the skin cells called melanocytes when they inexplicably go out of control and cause melanoma.

Not exact matches

The tattooing process works by injecting ink into the skin, which stimulates an immune response in which cells called «macrophages» move into the area and «eat up» the ink.
The OAR proposal uses a variation of therapeutic cloning called altered nuclear transfer (ANT) in which the nucleus of a donor cell (a skin cell, for example), containing the 30,000 genes of the genetic code, is altered in such a way that it produces an epigenetic factor, a protein called nanog.
We referred to the news that these cells, called induced pluripotent stem cells (iPSCs), could be made from human skin....
This is because pumpkin contains a nutrient called beta - carotene, which a form of vitamin A that helps improve eyesight and the health of skin cells.
Papaya contains an enzyme called papain that dissolves dead skin cells — it is super effective and gentle.
These dots are called «milia» and are caused from immature oil glands and dead skin cells being trapped underneath your baby's skin.
The substance on babies is called vermix and contains the baby's skin cells that it made and shed in the womb.
The outermost layer of the skin having keratinized cells is called as stratum corneum.
This substance is called meconium and is made up of things your baby ingested while in - utero, such as skin cells, mucus and amniotic fluid.
In the direct reprogramming, the researchers exposed the adult skin cells to a specific mix of signaling molecules the scientists» past research had found would convert healthy skin cells directly into a type of brain cell called medium spiny neurons, without intermediate steps along the way.
Seaweed derivatives, such as the phycocolloid called «alginate,» made from the cell walls of Macrocystis, have long been the emulsifying agent in skin - care products.
Dr. Sharp and his colleagues had earlier discovered that an enzyme called fidgetin - like 2 (FL2) puts the brakes on skin cells as they migrate towards wounds to heal them.
These cells, called fibroblasts, help close wounds after skin has been cut.
The idea fell out of favour following the scandal of 2005, and after the development of a way to turn ordinary skin cells into so - called induced pluripotent stem cells (iPS cells), which behave rather like hESCs.
Fat cells called adipocytes are normally found in the skin, but they're lost when wounds heal as scars.
Based on the little eyewitness information they could collect, Charlottesville police in 2003 started approaching dark - skinned men with a request for what some call get - lucky swabs — swipings from the inner cheeks of nonsuspects to collect cells for DNA analysis.
These were surrounded by skin - like cells called fibroblasts, which form the heart's connective 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.
They also found that saliva contains another class of small RNAs, called piwi - interacting RNAs, or piRNAs, which are produced by stem cells, skin cells and germ cells.
The method, called somatic cell nuclear transfer (SCNT), replaces the DNA in an egg cell's nucleus with the genetic material from the nucleus of a skin cell, then tricks the egg cell to start dividing as if it had been fertilized with sperm.
The enzyme, called tankyrase, may prove useful for extending the lives of cultured cells grown to repair burned skin and other damaged tissue.
The study team removed fibroblasts (skin cells) from DBA patients, and in cell cultures, using proteins called transcription factors, reprogrammed the cells into iPSCs.
Scientists have known for a long time that sensory neurons called TRPV1 cells can detect itchy substances on the skin, says Mark Hoon, a neuroscientist at National Institute of Dental and Craniofacial Research in Bethesda, Maryland.
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.
Immune cells called dendritic cells educate T cells, infection - fighting immune cells, to smell the outer surface of the skin and go there to do battle.
Another option is to take a skin sample, culture cells called fibroblasts and freeze them.
The latest research from the UCSB team shows that specialized cells in the squid skin called iridocytes contain deep pleats or invaginations of the cell membrane extending deep into the body of the cell.
Cells called neutrophils, which are considered the immune system's «first line of defense» because they react strongly to foreign invaders that enter the skin through a cut or other injury, were also surprisingly important.
While the simple proteins called histatins are well known for their ability to ward off infections, biochemist Menno Oudhoff of the University of Amsterdam discovered a subset of histatins that also prompt cells from the skin's surface, called the epithelium, to close over a wound.
The team studied skin cells, called dermal fibroblasts, that help hair follicles develop, wounds heal, and generally maintain the structural integrity of skin.
Through the use of powerful genomic techniques, researchers at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) have found that the development of immune cells, called innate lymphoid cells (ILCs), gradually prepares these cells for rapid response to infection.
Gage, Hetzer, Mertens and colleagues decided to try another approach, turning to an even newer technique that lets them directly convert skin cells to neurons, creating what's called an induced neuron.
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.
When susceptible people come into contact with flakes of cat skin called dander, T cells in their immune systems set off a chemical chain reaction that produces the familiar symptoms of allergy, including sneezing, runny noses, itching and asthma.
The researchers found that a protein called KROX20, more commonly associated with nerve development, in this case turns on in skin cells that become the hair shaft.
In the early 2000s, they injected mouse skin cells with between four and seven pieces of protein called transcription factors.
Using a process called somatic cell nuclear transfer (SCNT), a team from Oregon Health & Science University (O.H.S.U.) in Portland implanted the contents of individual skin cells from adult male rhesus macaques into each of 304 macaque egg cells stripped of their genetic material.
UNDER THE SKIN Researchers have discovered mysterious structures, such as these bubblelike compartments called vesicles that sit between the cell membrane (cyan) and the cell wall (purple) of the bacterium Halothiobacillus neapolitanus (cryotomogram, top; 3 - D reconstruction, bottom).
The enzyme, called α - duronidase, will be produced in skin cells taken from the babies themselves.
To do so, they converted skin cells from patients into so called induced pluripotent stem cells.
Rattan joined the Clark group in 1984 and started exploring what happens when skin, bone, and connective tissue cells grow old and enter a state of limbo — called senescence — in which they neither divide nor die (see «More Than a Sum of Our Cells&raqcells grow old and enter a state of limbo — called senescence — in which they neither divide nor die (see «More Than a Sum of Our Cells&raqCells»).
Melanoma is a cancer of the skin cells that produce pigment, called «melanin,» that produces color in our skin.
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