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Melanoma Brain Metastasis Study Could Lead to New Therapies which Discover Cause Behind Tumour in Brain | What is Melanoma | 2YODOINDIA

Melanoma Brain Metastasis Study Could Lead to New Therapies which Discover Cause Behind Tumour in Brain

After some immunotherapies proven to be effective in treating melanoma brain metastases, researchers remain clueless about the reason behind the tumour’s spread to the brain.

Now an extensive study of the cells inside melanoma brain metastases, researchers have unravelle details about the condition which could lead to the development of new therapies.

What is Melanoma?

Melanoma is a type of skin cancer and brain metastasis is a condition that occurs when cancer spreads from the original site to the brain.

Brain metastasis is behind most cancer-relate deaths and most of the cases have record with advance melanoma.

In the study, publish in Cell, researchers from the Columbia University Irving Medical Center began by sourcing frozen metastatic tumours from dozens of melanoma patients.

Study leader Benjamin Izar, MD, PhD, and assistant professor of medicine at the university said :

“Such studies are typically performed on fresh brain samples, which are in short supply, drastically limiting the number of tumours that can be analysed. In contrast, we have many frozen melanoma samples in our tissue bank,”

Benjamin Izar adds that the technique allow them to see the biology of the tumour and its microenvironment by helping them analyse tissues from patients who were not treat.

After analysing genes in more than 1,00,000 individual cells, the researchers have note that melanoma brain metastases were more chromosomally unstable than melanoma metastases in other parts of the body.

As per Johannes C. Melms, MD, a molecular postdoctoral fellow in the Izar lab and one of the study’s first authors, the chromosomal instability process triggers signalling pathways that end up facilitating the spread of cells and suppressing the immune system.

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Johannes C. Melms Said :

“Many experimental drugs that reduce chromosomal instability are going to be tested in humans soon. We now have a rationale to evaluate these drugs in patients with melanoma metastases in the brain,”.

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