AI identifies oncogenes in cancer cells, could help deliver personalised treatments: Study

Cancer treatments are primarily prescribed on the basis of the location and type of cancer. Genetic differences in tumours can make standard cancer treatments ineffective.

Published: 05th February 2023 01:04 PM  |   Last Updated: 05th February 2023 01:06 PM   |  A+A-

Cells, Cancer

Image used for representational purpose only.


LONDON: Researchers have leveraged artificial intelligence (AI) technology to identify genes critical to a cancer cell's survival, and could help deliver personalised cancer patient treatments, according to a new study.

They analysed different types of cancer cells to understand different gene dependencies for identifying the genes, the study said.

Researchers at the University of Sussex, UK, have done this by developing a prediction algorithm that works out which genes are essential in the cell, by analysing the genetic changes in the tumour.

This can be used to identify actionable targets that in time could guide oncologists to personalise cancer patient treatments, the study said.

"Our vision is to take advantage of the decreasing cost of DNA sequencing and to harness the power of AI to understand cancer cell differences and what they mean for the individual patient's treatment. Through our research, we were able to identify cell-specific gene dependencies using only the DNA sequence and RNA levels in that cell, which are easily and cheaply obtainable from tumour biopsy samples," said Dr Frances Pearl, Senior Lecturer in Bioinformatics at the University of Sussex.

"This is an incredibly exciting step in our research which means that we can now work to improve the technology so that it can be offered to oncologists and help in the treatment pathways for their patients," said Pearl.

Cancer treatments are primarily prescribed on the basis of the location and type of cancer. Genetic differences in tumours can make standard cancer treatments ineffective.

Using a personalised approach to guide treatment could improve life expectancy, and quality of life and reduce unnecessary side effects of cancer patients, the study said.

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In each cell, there are around 20,000 genes that contain the information needed to make proteins. Around 1,000 of those genes are essential, meaning they are required for the cell to survive.

When normal cells become cancer cells, oncogenes, or genes with the potential to cause cancer, become activated and tumour suppressor genes become inactivated, causing a rewiring of the cell.

This causes the cell to become dependent on a new set of genes to survive, and this can then be exploited to kill the cancer cells.

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By using this new AI technology to target protein products of tumour-specific dependent genes, cancer cells can be killed, leaving the normal cells which are not dependent on these genes relatively unharmed, the study said.

Although dependencies can be determined using intensive laboratory techniques, it is costly and time-consuming and would not be feasible to analyse all tumour samples in this way, the study said.


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