Sentences with phrase «of skin pigment»

Cosmesis Skin Tone Equalizer from Life Extension contains rumex occidentalis - a potent herb which supports the lightening of skin pigment.
They went on to show that Sox10, a factor needed for the formation of skin pigment cells from neural crest stem cells during development, was present at high levels in naevi and melanoma samples obtained from both the mouse model and human patients.
Consequently, Europeans and Asians over the last 20,000 years evolved lighter skin through two dozen different mutations that decrease production of the skin pigment melanin.
A lotion that stimulates production of the skin pigment melanin induces a deep tan in specially bred laboratory mice.
Unlike self - tanning lotions that essentially stain skin brown and provide minimal sun protection, the drug activates the production of the dark form of the skin pigment melanin, which absorbs UV radiation and diminishes damage to skin cells.
A dearth of skin pigment leaves people more susceptible to nonmelanoma skin cancers such as squamous cell carcinoma and basal cell carcinoma.

Not exact matches

They all stated that being «black» involved more than the amount of pigment in one's skin.
There are only 2 predimonently «brown» and «red»... most all humans produce predominately produce brown pigment, people, with lighter skin produce less but also produce brown pigment called eumelanin, red heads tend to produce not only eumelanin, but large amounts of phenomelanin, hence why they will end up with red hair and freckles....
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.
Sunflower seeds are also a good source of copper which makes melanin, a pigment protein that helps give your skin and hair their color.
Depending on the cleanliness and sterilization of the clinic, the equipment, and the pigments, a tattooed person is at risk of skin infections.
First, tattoos are often permanent pigments inserted below several layers of skin in patterns.
It's possible for them to change depending on the amount of melanin, which refers to the pigments of color the skin cells produce.
«Surgeons often like to make the incision around the nipple because it's very cosmetic and because its right where the pigment of the skin changes the scar is not as noticeable,» said Neifert.
Melanin is a type of pigment that gives color to the eyes, skin, and hair.
You may also have patches of darkened skin caused by a temporary increase in pigment.
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.
Infant and toddler skin also has less of the brown pigment melanin, which helps protect the skin from ultraviolet light.
Pigmented is the type of birthmark that appears like a blemish on the skin which many people think are just adorable.
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.
Peeling, scaling, crusting or flaking of the pigmented area of skin surrounding the nipple (areola) or breast skin
Her mouth should cover a large part of your areola (the pigmented skin around your nipple).
The result: Pigment builds up in the baby's blood and his skin takes on the yellowish cast of jaundice.
Three of the darker - skin gene variants appear to have evolved from variants linked with less pigment.
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.
«Researchers look to improve detection of skin cancer lacking pigment melanin.»
Because these other skin cell types showed no signs of expansion or transformation, our analysis highlights pigment - producing cells as the originators of melanoma.»
Mature melanocytes, which produce pigments in the upper layer of the skin, contribute to melanoma formation.
Of the darker - skin gene variants, three appear to have evolved from less pigmented variants.
The San hunter - gatherer populations of southern Africa often have lightly pigmented skin, and belong to one of the most ancient branches of the Homo sapiens family tree.
Inindividuals with albinism, genetic alterations interfere with the melanocytes» production of pigment or their ability to distribute it to keratinocytes, the major cell type of the skin's outer layer.
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).
When the team bombarded the fossils with charged particles and then analyzed the particles that were knocked from the surface (a technique called time - of - flight secondary ion mass spectrometry), they chemically identified the remnants of eumelanin, a pigment that typically lends a black or brown color to skin or feathers.
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.
«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.
But, scientists were given a clue when it was noted that women sometimes develop darker skin pigment on their face when taking birth control pills which contain only derivatives of the hormones estrogen and progesterone.
This cycle of pigment capture, release, and recapture occurs continuously in tattooed skin, even when macrophages aren't killed off in a single burst.
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.
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.
The Penn scientists also utilized synthetic derivatives of estrogen and progesterone that do not bind ER / PR (but still bind the nonclassical receptors) to boost skin pigment through GPER, or decrease it through PAQR7.
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