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Thursday, August 18, 2022

IIT Madras AI tool maps cancer-causing genes

PIVOT helps recovery in patients, reduces side effects and uses information on mutations for customised therapies

By: Express News Service | Chennai |
Updated: July 7, 2022 9:05:23 am
Cancer, AI, PIVOT, IIT MadrasCurrent cancer treatments are known to be detrimental to the overall health of the patient. (File)

Researchers at the Indian Institute of Technology Madras (IIT Madras) have developed an Artificial Intelligence-based tool, PIVOT, that can predict cancer-causing genes in an individual. This early information can not only help prevent cancer but even devise personalised cancer treatment strategies.

The cancer-causing gene prediction is based on a model that utilises information on mutations, expression of genes and copy number variation in genes as well as perturbations in the biological network due to an altered gene expression.

The research was led by Prof. Raghunathan Rengaswamy, Dean (Global Engagement), IIT Madras, and Professor, Department of Chemical Engineering, IIT Madras, Dr Karthik Raman, Associate Professor, Bhupat and Jyoti Mehta School of Biosciences, IIT Madras and a Core Member, Robert Bosch Centre for Data Science and Artificial Intelligence (RBCDSAI), IIT Madras, and Malvika Sudhakar, a Research Scholar, IIT Madras. The findings of the research have been published in a peer-reviewed journal Frontier in Genetics.

Highlighting the significance of the research, Dr Karthik Raman, Core Member, RBCDSAI, IIT Madras, said, “Cancer, being a complex disease, cannot be dealt with in a one-treatment-fits-all fashion. As cancer treatment increasingly shifts towards personalised medicine, such models that build toward pin-pointing differences between patients can be very useful.”

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The tool is based on a machine learning model that classifies genes as tumour suppressor genes, oncogenes or neutral genes. The tool was able to successfully predict both the existing oncogenes and tumour-suppressor genes like TP53, and PIK3CA, among others, and new cancer-related genes such as PRKCA, SOX9 and PSMD4.

Speaking on the importance of providing personalized cancer treatment, Malvika Sudhakar, Research Scholar, IIT Madras, said, “Research in precision medicine is still at a nascent stage. PIVOT helps push these boundaries and presents prospects for experimental research based on the genes identified.”

Current cancer treatments are known to be detrimental to the overall health of the patient. Knowledge of the genes responsible for the initiation and progression of cancer in patients can help determine the combination of drugs and therapy most suitable for a patient’s recovery. Although there are tools available to identify personalised cancer genes, they use unsupervised learning and predict scenarios based on the presence and absence of mutations in cancer-related genes. This study, however, is the first one to use supervised learning and takes into account the functional impact of mutations.

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IIT Madras researchers have built AI prediction models for three different types of cancer, including Breast Invasive Carcinoma, Colon Adenocarcinoma and Lung Adenocarcinoma. They are planning to extend it further to many more cancer types. The team is also working on a list of personalized cancer-causing genes that can help in identifying suitable drugs for patients.

📣 The above article is for information purposes only and is not intended to be a substitute for professional medical advice. Always seek the guidance of your doctor or other qualified health professional for any questions you may have regarding your health or a medical condition.

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First published on: 06-07-2022 at 05:53:47 pm

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