Monday, 22 October, 2018

Australian scientists from Edith Cowan University develop melanoma detection blood test

Ученые открыли новый способ диагностики который спасет от меланомы Experimental blood test could detect melanoma skin cancer early, study finds
Ben Pena | 20 July, 2018, 20:45

"The body starts producing these antibodies as soon as melanoma first develops which is how we have been able to detect the cancer in its very early stages with this blood test", Ms. Zaenker said.

What makes melanoma more unsafe than far more common skin cancers such as squamous cell and basal cell cancer is its ability to spread much more quickly to other parts of the body unless promptly diagnosed, according to the American Cancer Society (ACS). Melanoma forms around 1 to 2 percent of all skin cancers but is considered to be the deadliest.

Professor Mel Ziman, head of the Melanoma Research Group at the university said, "It's critical that melanoma is diagnosed more accurately and early".

To date, the diagnosis of skin cancer that spreads very quickly, is through biopsy.

"We envision this taking about three years". With advent of this test, the doctors would not need to depend on these costly biopsies alone which are invasive as not always reliable she said. About 14,000 cases were diagnosed in 2017. Of this $73 million is spent on tests that come back false negative. "No other type of biomarker appears to be capable of detecting the cancer in blood at these early stages".

Microsoft’s solid Q4 bolstered by strong Xbox, Surface numbers
Surface revenue was up 25 percent to $1.2 billion, a reflection of the stronger product lineup today as compared to a year ago. LinkedIn also saw a relatively large increase in revenue, posting 37 percent growth over the same period a year ago.

The researchers examined 1,627 different types of antibodies and found a combination of 10 that best indicated the presence of melanoma in confirmed patients. The blood test detected early stage melanoma in 79 percent of cases.

The next step for the scientists, from Edith Cowan University, is to carry out clinical trials to validate their findings, with the hope the test could be available in about three years.

Camera IconPerth scientists have developed the world's first blood test that can detect melanoma.Picture: Getty Images. In turn people should talk to a health professional about any "unusual or lasting changes to a mole, freckle or normal patch of skin". Melanomas usually show up as skin lesions that have an irregular surface and edges and may vary in colour from black, brown, blue, red, white, grey etc.

For potential sufferers in remote areas, away from skin specialists, diagnosis can be especially tricky, he said, making a simple blood test an easy alternative to identify those at risk.

Sanchia Aranda, chief executive of Cancer Council Australia, said the test would be important for high-risk groups, who have to undergo regular inspections of their spots and moles that can be hard and time-consuming.

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