Sentences with phrase «skin pigment»

This coloring can be different from dog to dog, especially with dogs with different skin pigments on different parts of their body.

In many cases, a dog's coat and skin pigment provide sufficient sun protection.

However, Elias and colleagues concluded in their study that changes in the skin's function as a barrier to the elements made a greater contribution than alterations in skin pigment in the ability of Northern Europeans to make vitamin D.

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.

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.

New research, from the Perelman School of Medicine at the University of Pennsylvania, has uncovered cellular pathways in skin pigment cells that are activated by estrogen and progesterone — two of the main female sex hormones — and also identified synthetic hormone derivatives that specifically influence the pigment producing pathway.

Some will have a thickening of the skin and increased skin pigment in areas of friction.

This stands to reason because true white Miniature Schnauzers have black skin pigment and dark eyes.

Sometimes, when the temperature drops, so does the output of an enzyme called tyrosinase (which catalyzes the production of melanin and other skin pigments), causing a dark nose to lighten to brown or even a speckled pink.

A dearth of skin pigment leaves people more susceptible to nonmelanoma skin cancers such as squamous cell carcinoma and basal cell carcinoma.

«Skin pigment renders sun's UV radiation harmless using projectiles.»

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.

On this week's show: Tracing skin pigment variation in African genomes; plus a roundup from the daily news site

Having successfully reconstructed an epidermis using pluripotent stem cells in 2009, Christine Baldeschi's team at I - Stem, has just given it colour: using the same strategy, the researchers have obtained, in vitro, functional melanocytes, the cells that give skin its pigment and protect it from UV rays.

Vitiligo destroys skin pigment, leaving areas of skin looking like they've been bleached white.

In vitiligo, something is killing skin pigment cells (melanocytes), but the cause has remained obscure.

By reducing skin pigment release glutathione lightens the skin.

Your dog may be shaky and pale — the pale skin pigment is most obvious in the dog's gums, which can turn white or blue when the dog is not getting enough oxygen.

Doberman Losing Dog Skin Pigment Not rated yet My dog is a white doberman, white below and fawn on top with blue eyes.

In some yellow (and sable) dogs, the center part of their black nose will fade to pink (called «snow nose») but the other dark skin pigment is not affected.

Vitiligo presents with a loss of skin pigment, ultimately showing patches of decreased colour on the skin and hair.

Male dogs take on female sexual characteristics; hair loss, increased skin pigment, reddened area on prepuce

When a dog appears to be red, but has black skin pigment (nose, lips, eyerims), look closely at the coat to determine if it might be either a sable or a yellow.

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

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

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

The skin pigments took 3 weeks to paint.

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.

The skin pigment converts the UV radiation into heat through a rapid chemical reaction that shoots protons from the molecules of the pigment.

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

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.

The researchers plan to test BiliCam on up to 1,000 additional newborns, especially those with darker skin pigments.

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

They have gone far longer — millennia — without light, evolving to lose their eyes and skin pigments.

A team at Massachusetts General Hospital scrutinized the opioid system, the reward pathway hijacked by drugs such as heroin, because the researchers had earlier found that beta - endorphin and the skin pigment melanin originate from the same protein.

It has no eyes or skin pigment, and frond - like external gills protrude from its neck.

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.

People who got the most sun exposure because they lived in hot areas of the world developed excess melanin (a darker skin pigment) to block burning while lighter skinned people could produce Vitamin D (and a sunburn) a lot more quickly.

I also knew that my kids would be soaking in said freshly cleaned tub that night and didn't want them to lose any skin pigment from the cleaners I used so I turned to this natural homemade powder.

L - tyrosine is also involved in the production of thyroid hormone and the skin pigment melanin.

L - tyrosine is involved in the production of thyroid hormone and the skin pigment melanin.

«Your skin pigment is natural sunscreen,» says Holick.

As Dr. Holick explained, your skin pigment acts as a natural sunscreen, so the more pigment you have, the more time you'll need to spend in the sun to make adequate amounts of vitamin D.

Rather it is because your sebum contains melanin, the skin pigment that makes black people black.

Phenylalanine is the precursor for the amino acid tyrosine, which acts as a neurotransmitter in our brain for signaling dopamine, norepinephrine (noradrenaline), epinephrine (adrenaline), and melanin (skin pigment).

Cosmesis Skin Tone Equalizer from Life Extension contains rumex occidentalis - a potent herb which supports the lightening of skin pigment.

Glutathione may help to whiten the skin because it reduce free radicals in the body that activate enzyme Tyrosinase which causes an increase in melanin (skin pigment) production.

The LumaPro - C is a skin pigment corrector, this is great if your skin is sun burned and if you have dark age spots.

When do they become the ones who can't grab a slice of pizza or shoot hoops with a friend because the skin pigment is different?