Will the Big Data Help Us Understand the Weakness of Cancer Cells?

by Rishika Gupta on  August 1, 2018 at 7:01 PM Research News
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Data collected from previous biochemical assays and gene expression data of cancer cells may help the scientists understand what is it that is actually supporting the cancer cells and help them target it. The findings of this study are published in the journal of Nature Communications.
 Will the Big Data Help Us Understand the Weakness of Cancer Cells?
Will the Big Data Help Us Understand the Weakness of Cancer Cells?

A computational study co-authored by computational chemist Miquel Duran-Frigola, from the Institute for Research in Biomedicine (IRB Barcelona), has demonstrated that cancer cells proliferate less and less robustly when their internal pH is lowered, that is to say, it becomes more acidic. This finding thus reveals opportunities for new therapeutic approaches to tackle the disease.

Using hundreds of thousands of data from previous biochemical assays and a database on the gene expression of cancer cells, the researchers have developed a computational model that analyses how variations in pH affect the activity of almost 2000 metabolic enzymes. "We are a computational lab, and we are devoted to systems biology. We wanted to address the question on a large scale," says Miquel Duran-Frigola, Associate Researcher with the Structural Bioinformatics and Network Biology lab, headed by ICREA researcher Patrick Aloy. "Understanding the link between metabolic pathways that work better under different pHs can give us an idea about the mechanisms used by cancer to survive at basic pH," explains Duran-Frigola.

Acidification as an objective

The researchers have confirmed the hypothesis that they initially formulated. According to this hypothesis, if cancer cells proliferate easily in an alkaline environment, then they would be more vulnerable under acidic conditions. This paves the way to considering the acidification of the cancer cells themselves, combined with more conventional therapies, as a good therapeutic strategy.

New therapeutic targets

Furthermore, the researchers have identified the metabolic enzymes that work synergistically with intracellular acidity in the development of cancer, thus revealing these molecules as possible therapeutic targets. Indeed, five of these potential targets have already been tested in the lab using breast cancer cell lines and have yielded promising results.

"This work is still very academic, but we believe that some of the targets identified are ready to be tested in animals, thus allowing us to move into more advanced pre-clinical trial stages," says Miquel Duran-Frigola. The study, which has been performed in collaboration with the Moffitt Cancer Center and the University of Maryland, both in the US, has been published in Nature Communications.

Source: Eurekalert

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