Sentences with phrase «in skin pigment»

The increase in skin pigment, called melanin, which causes the tan color change in your skin, is a sign of skin damage.

Progressive darkening of the skin may also occur as a result of skin cancer, Cancerous cells which increase in number are associated with a change in skin pigment.

The «blue» color french bulldogs aren't as common because their coloration is actually a result of a genetic mutation of a specific protein present in their skin pigment.

Not exact matches

They all stated that being «black» involved more than the amount of pigment in one's skin.

We can think at once of the problem of «integration» with people whose skins are variously pigmented, of the problems of nations emerging from centuries of primitive ignorance, of the problem of health and nutrition of millions of people in «the East.»

Actually the original Saint Nicholas was from a part of ancient Greece that is now part of Turkey... maybe you don't have many Turkish people in your little world, but they do have a bit of pigment in their skin.

An essential component of many enzymes, copper plays a role in a wide range of physiological processes including iron utilization, elimination of free radicals, development of bone and connective tissue, and the production of the skin and hair pigment called melanin.

Copper plays a vital role in the production of the pigment melanin which is responsible for protecting our skin from sun damage.

Similar to the benefits you get from eating other berries, goji berries are loaded with beta - carotene (a pigment found in plants and fruits), which helps promote healthy skin and even acts like a natural skin cancer treatment.

First, tattoos are often permanent pigments inserted below several layers of skin in patterns.

You may also have patches of darkened skin caused by a temporary increase in pigment.

These skin changes are due to hormonal influences on the skin pigment cells in these areas.»

During a pregnancy, your skin often experiences color changes as your hormones increase the amount of melanin (the pigment responsible for skin coloration) that you have in your body.

Severe jaundice is treated using phototherapy to modify the yellow pigment in the skin, and therefore, allow better removal of the bilirubin by the baby.

These birthmarks can vary considerably in size but are all flat areas of skin that contain extra pigment, which causes them to appear brown, gray, or even blue (like a bruise).

It is especially common in darker - skinned women, or those of Asian and African descent, who already have more pigment in their skin.

The carotene compound is converted to Vitamin A by the body where it is used to maintain the skin and assist in making cells that sense light as well as the pigments in the eye.

The result: Pigment builds up in the baby's blood and his skin takes on the yellowish cast of jaundice.

A black light detects changes in color or fluorescence in the skin, making pigment disorders appear to shine under the light.

Archaeologists have recovered a yellow pigment in southern Spain that may have been used as foundation for their skin.

The micro-fine pigments ensure a seamless, flawless look that is great for just about any kind of skin, from oily to dry and everything in between.

Irradiation with blue light in an incubator is necessary because toxic decomposition products of the blood pigment hemoglobin are deposited in the skin in newborns with jaundice.

Melanoma occurs when melanocytes — cells that make pigment in skin and hair — undergo a malignant transformation.

Mature melanocytes, which produce pigments in the upper layer of the skin, contribute to melanoma formation.

Melanocytes, healthy skin cells that form the pigment melanin, come from neural crest cells, which are created in the spinal column.

Indo - Pacific sea snakes living in polluted waters near industrial areas have darker bodies — perhaps because pollutants bind better to their dark skin pigment

These tiny bits are the same size and shape as the pigment - bearing structures (called melanosomes) found in the skin and scales of modern - day lizards and in the feathers of birds.

Demonstrating Cpf1's noticeable specificity, another research team from the same IBS Center succeeded in bringing Cpf1 RNP - mediated mutations into mouse embryos: The researchers targeted Foxn1 (a transcription factor that regulates the immune system, including the growth of skin hairs), as well as Tyrosinase (an enzyme that catalyzes the production of melanin, a natural pigment that determines the color of skin).

Many of the shimmering colors in a butterfly's wings are produced not with pigments, like the melanin that tints our skin, but with nanostructures (pdf).

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

To do this, the researchers would have to first reconstruct a 3D model of the dinosaur in painstaking detail, from its precise body shape to its pigmented skin.

While it is known that red and yellow pigments found in bright fruit and vegetables increase skin yellowness, recent studies have shown that «carotenoid coloration is a more important factor in healthy appearance than melanin coloration,» clarify the academics.

«Knowing that immune cytokines can change pigment production in melanocytes, while also knowing that chronic inflammation has the potential to increase the number of melanocytes, has clear implications for the design of future therapies to address a set of common skin disorders,» says Dr. Krueger, director of Milstein Research Program and D. Martin Carter Professor in Clinical Investigation.

Researchers at Lund University in Sweden and other institutions have worked out how the pigment of the skin manages to protect the body from the sun's dangerous UV rays.

This cycle of pigment capture, release, and recapture occurs continuously in tattooed skin, even when macrophages aren't killed off in a single burst.

What we see is a film laid down by the bacterial decomposition of different pigments in the scales, skin, feathers, and internal organs of the animal.

The most intelligent, most mobile and largest of all mollusks, these cephalopods use their almost humanlike eyes to send signals to pigmented organs in their skin called chromatophores, which expand and contract to alter their appearance.

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

This finding, together with the inhibition of pigment function in melanocytes, paints a picture of what's happening in the skin when a psoriasis flare - up fades.

Neither receptor had been studied previously in melanocytes, but the results of the new study, which abolished the estrogen and progesterone effects by deleting the receptors, confirmed that the new receptors are responsible for the skin pigment effects.

These organelles contain melanin, a group of pigment compounds in skin, fur, and feathers.

Melanocytes play an important protective role in human skin: In sunlight they form the pigment melanin which adsorbs harmful UV radiation and thus prevents sunburin human skin: In sunlight they form the pigment melanin which adsorbs harmful UV radiation and thus prevents sunburIn sunlight they form the pigment melanin which adsorbs harmful UV radiation and thus prevents sunburn.

«It's certainly more important than melanin in lightly - pigmented skin,» he said.

«For example, recent studies show that dark - skinned humans make vitamin D after sun exposure as efficiently as lightly - pigmented humans, and osteoporosis — which can be a sign of vitamin D deficiency — is less common, rather than more common, in darkly - pigmented humans.»

The Elias lab has shown that pigmented skin provides a better skin barrier, which was critically important for protection against dehydration and infections among ancestral humans living in sub-Saharan Africa.

Interestingly, in the same way this pigment protects the eyes from damaging light, it appears to spare the skin from some of the rays that can cause sunburn (see Dietary Protection Against Sunburn (with Recipe)-RRB-.

«Our aim with this project was to use this method to demonstrate the feasibility of making 3D in - vitro pigmented human skin constructs, with uniform skin pigmentation.»

Wei Long Ng explained: «The two - step bioprinting strategy involves the fabrication of hierarchical porous collagen - based structures (that closely resembles the skin's dermal region), and deposition of epidermal cells such as keratinocytes and melanocytes at pre-defined positions on top of the biomimetic dermal skin constructs, to create 3D in - vitro pigmented human skin constructs.

A lotion that stimulates production of the skin pigment melanin induces a deep tan in specially bred laboratory mice.

This gene is involved in regulating production and storage of melanin, the pigment that determines hair, skin and eye color.