Sentences with phrase «pigment cells produce»

They first pooled together information about colors in related modern snake species in the same family, Colubridae (which contains 70 % of all known snakes): specifically, which combinations of pigment cells produce which colors.

Not exact matches

It's possible for them to change depending on the amount of melanin, which refers to the pigments of color the skin cells produce.

The placenta may release a hormone that stimulates melanocytes, the cells that produce melanin to pigment your skin or give you a suntan.

When these cells break down after birth, they produce a yellow pigment called bilirubin, which circulates in the blood.

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

Cells called melanocytes produce the pigments that colour hair and their numbers are kept topped up by stem cCells called melanocytes produce the pigments that colour hair and their numbers are kept topped up by stem cellscells.

Because these other skin cell types showed no signs of expansion or transformation, our analysis highlights pigment - producing cells as the originators of melanoma.»

The team was surprised to observe that these very aggressive tumors arise from mature, pigment - producing cells called melanocytes.

It arises from mutations affecting cells, called melanocytes, that produce the pigment melanin, which gives color to those body parts.

Melanoma is a cancer that originates in melanocytes, the cells that produce the skin - color pigment melanin.

Butterflies aren't the only animals who harness nanotech for cosmetic purposes; so do birds, whose dazzling array of colors comes from a combination of pigment - producing cells and nanoscale design.

The scientists found that the IL - 17 and TNF cytokines were disrupting the pigment production of patients» melanocytes — the cells that produce melanin, the pigment that gives skin its color.

In the study, human melanocytes — the cells that produce the skin pigment melanin — were exposed to estrogen levels usually seen during pregnancy.

In nature, the Cyphochilus beetle, which is native to Southeast Asia, produces its ultra-white colouring not through pigments, but by exploiting the geometry of a dense network of chitin — a molecule which is also found in the shells of molluscs, the exoskeletons of insects and the cell walls of fungi.

«The mice then can't produce enough pigment - making cells» and consequently go gray.

The researchers say such «hypopigmentation» occurs because chloroquine poisons pigment - producing cells in hair follicles.

As well as the potential to produce pigment - correct skin grafts, the team's 3D bioprinting method could also be used to develop skin constructs for toxicology testing and fundamental cell biology research.

If cells with functioning KROX20 and SCF are present, they move up from the bulb, interact with pigment - producing melanocyte cells, and grow into pigmented hairs.

One produces pigment for the hair before dying off, while the other becomes a new melanocyte stem cell.

When skin cells are damaged by ultraviolet light they produce more pigment, which makes skin appear darker.

Melanoma is a cancer of the skin cells that produce pigment, called «melanin,» that produces color in our skin.

In reptiles, amphibians, and other groups, color mostly comes from chromatophores — cells within the skin that hold color - producing pigment molecules.

The cells go out of whack and overgrow, producing more pigment than they should.

Previous research, some of it by members of the current team, had shown that KITLG triggers the production of pigment - producing cells called melanocytes in response to UV light.

Unlike normal fish skin cells, they were tightly clustered and produced pigment in areas where there usually is none.

The cells produced more eumelanin, the pigment responsible for black and brown skin, hair, and eyes.

Here we report that in addition to producing an ommochrome body pigment, the planarian flatworm Schmidtea mediterranea generates porphyrins in its subepithelial pigment cells under physiological conditions, and that this leads to pigment cell loss when animals are exposed to intense visible light.

Malignant melanoma is the eighth most common cancer in the United States and causes 1 to 2 percent of all cancer deaths.1, 2 Melanoma is a proliferation of transformed melanocytes or pigment - producing cells.

Our first results demonstrate our ability to produce retinal precursors (even at a low yield) and mainly Retinal Pigment Epithelial (RPE) cells at a high yield (99 %) from hES and iPS cells.

More specifically, they are looking at the cells that produce the pigment that gives the iris its color.

«These white markings occur not because the dogs can not produce pigment but because they completely lack pigment cells in the skin in the areas that have white markings», says Izabella Baranowska Körberg who obtained her PhD degree at SLU on a thesis in which this study was included.

The stem cells display self - renewal capacity and differentiate into neural crest derivatives including epidermal pigment - producing melanocytes.

Melanocyte cells are specialized cells that produce melanin pigment and arise from the neural crest lineage.

Melanocytes are cells that produce the melanin pigment visible in skin and hair coloration.

iPS (IMR90)-3 cells readily differentiate into RPE cells and the differentiation protocol used in this paper is a highly efficient method of producing multiple confluent flasks of highly enriched pigmented cells.

Melanoma is a form of cancer that develops from the pigment producing cells of the skin.

A gene called Alx3 blocks the differentiation of pigment - producing cells in the skin of the African striped mouse, thus generating the mouse's characteristic light - colored stripes, a new...

The cause is unknown, but some experts believe it may be an autoimmune disease, and the body's immune system is attacking pigment - producing cells.

Some suggest that fat cells produce a hormone called pigment epitelium - derived factor that causes insulin resistance.

It causes the skin to produce a protective pigment, called melanin, which protects skin cells from DNA damage like cancer.

The Cause These dark spots happen when the skin's pigment producing cells, melanocytes, simply churn out too much melanin.

These cells produce melanin, the dark pigment that gives skin its color.

The purpose of this study is to 1) investigate the morphology of the pigment producing cells (melanocytes) and determine if any ultrastructural differences exist among varying appaloosa genotypes, and 2) examine previously associated genes to determine the biological mechanism of pigment loss.

Melanomas arise from pigment producing cells called melanocytes, which are responsible for coloring the skin.

The specific cells that become melanocytes (pigment producing cells) are derived entirely from the neuronal crest of the embryo.

This essentially means that pigment cells are directly produced along with the same cells that give rise to the nervous system.

In addition, two copies of the M allele large enough to produce the merle coat color are thought to cause the death of skin melanocytes, retinal pigment cells, and melanocytes of the inner ear which can result in significant white areas of the coat, eye abnormalities and deafness.

Because melanoma is a cancer of the pigment - producing cells of the body (melanocytes), canine oral melanoma is more common in dogs with darkly pigmented gums, cheeks and tongues.

The condition occurs when the cells responsible for producing pigment stop functioning or die.

The cause of the vascular degeneration is not known, but appears to be associated with the absence of pigment producing cells known as melanocytes in the stria.