News tagged with melanin pigment


Photoacoustics spares healthy lymph nodes in patients with metastasized cancer

If a tumour has spread through the lymph nodes, the decision is often taken to exercise caution and remove extra tissue, to prevent it from spreading further. This often involves the removal of healthy lymph ...

Cancer created Apr 18, 2013 | popularity not rated yet | comments 0

Study finds linchpin of skin response to UVA light

Last year, a team of researchers at Brown University discovered that certain skin cells use a light-sensitive receptor found outside of the eye to sense ultraviolet light and quickly begin pumping out melanin ...

Medical research created Jan 21, 2013 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Unexpected factor contributes to melanoma risk in red-haired, fair-skinned individuals

The well-established elevated risk of melanoma among people with red hair and fair skin may be caused by more than just a lack of natural protection against ultraviolet (UV) radiation. In an article receiving Advance Online ...

Cancer created Oct 31, 2012 | popularity 5 / 5 (1) | comments 3 | with audio podcast

People with darker skin still at risk for melanoma

(HealthDay) -- Skin cancer is more common among white people, but people with darker skin are also at risk, a dermatology expert cautions.

Cancer created Jul 26, 2012 | popularity 5 / 5 (2) | comments 0

New findings break tanning misconceptions: 'There is no such thing as a safe tan'

A new study conducted by GW School of Medicine and Health Sciences (SMHS) researchers Edward C. De Fabo, Ph.D., Frances P. Noonan, Ph.D., and Anastas Popratiloff, M.D., Ph.D., has been published in the journal Nature Communications. Their ...

Cancer created Jul 23, 2012 | popularity not rated yet | comments 1 | with audio podcast

Sun exposure and cutaneous HPV infection found synergistic in skin cancers

Researchers at Moffitt Cancer Center and colleagues at the University of South Florida and the German Cancer Research Center in Heidelberg have found that having antibodies for cutaneous types of human papillomavirus (HPV), ...

Cancer created Jun 25, 2012 | popularity not rated yet | comments 0 | with audio podcast

Newly identified gene mutation adds to melanoma risk

A major international study has identified a novel gene mutation that appears to increase the risk of both inherited and sporadic cases of malignant melanoma, the most deadly form of skin cancer. The identified mutation occurs ...

Cancer created Nov 13, 2011 | popularity not rated yet | comments 0 | with audio podcast

Laser treatment can make your brown eyes blue

Just like the old Crystal Gayle song, a new laser technology could soon allow you to turn those boring brown eyes of your to a rich and beautiful blue. But you better make sure that blue eyes are what you really want because ...

Other created Nov 04, 2011 | popularity 4 / 5 (11) | comments 21 | with audio podcast report

Human skin begins tanning in seconds, and here's how

We all know that human skin tans after days spent in the sun. That relatively slow process has known links to ultraviolet (and specifically UVB) exposure, which leads to tanning only after it damages the DNA of skin cells. ...

Cancer created Nov 03, 2011 | popularity 5 / 5 (1) | comments 1

Scientists find vitamin D crucial in human immune response to tuberculosis

Not just important for building strong bones, an international team of scientists has found that vitamin D also plays an essential role in the body's fight against infections such as tuberculosis.

Medical research created Oct 12, 2011 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

A treatment for one form of albinism?

Individuals with oculocutaneous albinism, type 1 (OCA1) have white hair, very pale skin, and light-colored irises because they have none, or very little, of the pigment melanin in their skin, hair, and eyes. Affected individuals ...

Medical research created Sep 26, 2011 | popularity not rated yet | comments 0