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SPF30 Sunscreens may Delay Onset of Skin Cancer

The initial findings were recently presented at the American Association for Cancer Research (AACR) annual meeting 2016" in the US

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Applying sunscreen with SPF30 might be helpful in delaying the onset of Skin Cancer. Pixabay
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Application of sunscreens with a sun protection factor 30 (SPF30) prior to exposure to sunlight is likely to delay the onset of skin cancer, finds a new research.

The study, conducted on mice, showed that sunscreens are known to prevent skin from burning when exposed to UV sunlight, which is a major risk factor for melanoma — most serious form of skin cancer.

However, it has not been possible to test whether sunscreens prevent melanoma because these are generally manufactured as cosmetics and tested in human volunteers or synthetic skin models.

“We have developed a mouse model that allows us to test the ability of a sunscreen to not only prevent burns but also to prevent melanoma,” said lead researcher Christin Burd, assistant professor at the Ohio State University.

“This is a remarkable accomplishment. We hope that this model will lead to breakthroughs in melanoma prevention,” he added.

Burd and colleagues previously reported in Cancer Discovery, a journal of the AACR, the development of this mouse melanoma model.

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Representational image. Pixabay

The researchers genetically engineered mice and found that if they exposed these to a single dose of ultraviolet-B (UVB) light one day after applying the SPF30 chemical 4-hydroxytamoxifen (4OHT) to the skin, melanomas appeared much more rapidly, and there were many more tumours.

The researchers then used the mouse model to test the ability of a number of sunscreens labeled SPF30 to prevent melanoma.

The sunscreens, which contained a range of UV-blocking agents, were applied to the mice prior to exposure to the UVB light. All the sunscreens delayed melanoma onset and reduced tumour incidence.

Also Read: Spend Your Money on The Right Sunscreen

“Melanoma-free survival was reduced by 80 percent, to about five weeks,” said Burd.

The initial findings were recently presented at the American Association for Cancer Research (AACR) annual meeting 2016″ in the US. (Bollywood Country)

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World’s Smallest Wearable Can Help in Preventing Skin Cancer

It also demonstrated the ability to measure white light exposure for seasonal depression, a mood disorder characterised by depression that occurs at the same time every year

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World's smallest device to prevent skin cancer, mood disorder risk. Pixabay

Scientists have developed the world’s smallest wearable, battery-free device that can warn people of overexposure to ultraviolet rays (UV) — a leading factor for developing skin cancer.

Currently, people do not know how much UV light they are actually getting. The rugged and waterproof device interacts wirelessly with the phone and helps maintain an awareness and for skin cancer survivors.

Smaller than an M&M (colourful button-shaped chocolates) and thinner than a credit card, the device can optimise treatment of neonatal jaundice, skin diseases, seasonal affective disorder and reduce risk of sunburns and skin cancer.

Users can glue the device on to their hats, clip it to sunglasses or stick it on their nail and can simultaneously record up to three separate wavelengths of light.

It is always on yet never needs to be recharged.

“There is a critical need for technologies that can accurately measure and promote safe UV exposure at a personalised level in natural environments,” said Steve Xu, from Northwestern University in the US.

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Cancer Ribbon. Pixabay

“We hope people with information about their UV exposure will develop healthier habits when out in the sun,” said Xu.

There are no switches or interfaces to wear out, and it is completely sealed in a thin layer of transparent plastic, the researchers stated, in the paper published in the journal Science Translational Medicine.

Participants who mounted device on themselves recorded multiple forms of light exposure during outdoor activities, even in the water.

Also Read- First NASA Probe to Return Asteroid Sample Reaches Destination

The findings showed that it monitored therapeutic UV light in clinical phototherapy booths for psoriasis and atopic dermatitis (immune diseases) as well as blue light phototherapy for newborns with jaundice in the neonatal intensive care unit.

It also demonstrated the ability to measure white light exposure for seasonal depression, a mood disorder characterised by depression that occurs at the same time every year. (IANS)