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Method for diagnosis, prognosis of melanoma -- most aggressive skin cancer -- is patented

Date:
February 19, 2014
Source:
Elhuyar Fundazioa
Summary:
A method for the diagnosis and prognosis of cutaneous melanoma, the type of skin cancer with the highest mortality rate has been developed and recently patented. This method will help not only in the more effective early detection of this cancer, but also in the development of more personalized treatments. Melanoma is a malignant tumor resulting from the transformation of melanocytes, the cells that undertake to synthesize melanin, which protects us from the negative effects of solar radiation. Although melanoma is the least common among skin cancers, it is the one with the highest mortality rate, largely because of its high potential for metastasis.

Primary culture of human melanocytes.
Credit: Image courtesy of Elhuyar Fundazioa

UPV/EHU researchers have developed a method for the diagnosis and prognosis of cutaneous melanoma, the type of skin cancer with the highest mortality rate.This method will help not only in the more effective early detection of this cancer, but also in the development of more personalized treatments.

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Melanoma is a malignant tumor resulting from the transformation of melanocytes, the cells that undertake to synthesize melanin, which protects us from the negative effects of solar radiation. Although melanoma is the least common among skin cancers, it is the one with the highest mortality rate, largely because of its high potential for metastasis.

That is why "early diagnosis is the best tool we have to date for saving patients.In fact, patients with early-stage melanoma have a survival rate of 95%, while5-year survival falls to 50% in patients with metastasis," explained Yoana Arroyo, researcher in the UPV/EHU's department of Cell Biology and Histology, where this research was carried out.

The "Tumor Markers and New Therapies" research group of the Department of Cell Biology and Histology has been working in the field of cutaneous melanoma for many years.Its work seeks to identify a set of markers that can be used in the diagnosis and/or prognosis of malignant melanoma or which are responsible for susceptibility."Our strategy began because we were looking for proteins whose expression might be altered in melanoma cells in comparison with normal melanocytes, and on the basis of that result we have been looking into the corresponding genes by studying their expression, mutations and epigenetics," pointed out Dr Arroyo.

The results confirmed that melanoma cells display characteristic patterns of gene and protein expression;these make it possible to distinguish between tumor and non-tumor status,and within tumor status, too, it is possible to pick out those cells with an invasive capacity and therefore more likely to lead to the onset of metastasis. So the researchers have identified new molecular biomarkers that are relevant in melanoma diagnosis, prognosis and susceptibility.

The quest for more personalized treatments

Right now, the UPV/EHU researchers are in the phase involving the validation of candidate genes by analyzing their expression levels in biopsies of melanoma and nevi (growths of non-malignant melanocytes). The biopsies come from patients diagnosed at the University Hospitals of Cruces and Basurto.The aim is "to find a combination of molecular markers that will enable us to come up with the diagnosis and prognosis of the melanoma in the most effective way possible."

"This diagnosis method is a way of identifying those patients who are more likely to develop metastasis, so that their treatment and survival can be improved.This study could also open up new avenues of research for the development of new, more personalized treatments," explained Dr Arroyo.


Story Source:

The above story is based on materials provided by Elhuyar Fundazioa. Note: Materials may be edited for content and length.


Cite This Page:

Elhuyar Fundazioa. "Method for diagnosis, prognosis of melanoma -- most aggressive skin cancer -- is patented." ScienceDaily. ScienceDaily, 19 February 2014. <www.sciencedaily.com/releases/2014/02/140219075439.htm>.
Elhuyar Fundazioa. (2014, February 19). Method for diagnosis, prognosis of melanoma -- most aggressive skin cancer -- is patented. ScienceDaily. Retrieved November 23, 2014 from www.sciencedaily.com/releases/2014/02/140219075439.htm
Elhuyar Fundazioa. "Method for diagnosis, prognosis of melanoma -- most aggressive skin cancer -- is patented." ScienceDaily. www.sciencedaily.com/releases/2014/02/140219075439.htm (accessed November 23, 2014).

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