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Researchers at MIT and Harvard Unveil a Revolutionary AI-Based Computational Approach: Efficiently Pinpointing Optimal Genetic Interventions with Fewer Experiments

October 6, 2023
in AI Technology
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In the field of cellular reprogramming, researchers face the challenge of identifying optimal genetic perturbations to engineer cells into new states, a promising technique for applications like immunotherapy and regenerative therapies. The vast complexity of the human genome, consisting of around 20,000 genes and over 1,000 transcription factors, makes this search for ideal perturbations a costly and arduous process.

Currently, large-scale experiments are often designed empirically, leading to high costs and slow progress in finding optimal interventions. However, a research team from MIT and Harvard University has introduced a groundbreaking computational approach to address this issue.

The proposed method leverages the cause-and-effect relationships within a complex system, such as genome regulation, to efficiently identify optimal genetic perturbations with far fewer experiments than traditional methods. The researchers developed a theoretical framework to support their approach and applied it to real biological data designed to simulate cellular reprogramming experiments. Their method outperformed existing algorithms, offering a more efficient and cost-effective way to find the best genetic interventions.

The core of their innovation lies in the application of active learning, a machine-learning approach, in the sequential experimentation process. While traditional active learning methods struggle with complex systems, the new approach focuses on understanding the causal relationships within the system. By prioritizing interventions that are most likely to lead to optimal outcomes, it narrows down the search space significantly. Additionally, the research team enhanced their approach using a technique called output weighting, which emphasizes interventions closer to the optimal solution.

In practical tests with biological data for cellular reprogramming, their acquisition functions consistently identified superior interventions at every stage of the experiment compared to baseline methods. This implies that fewer experiments could yield the same or better results, enhancing efficiency and reducing experimental costs.

The researchers are collaborating with experimentalists to implement their technique in the laboratory, with potential applications extending beyond genomics to various fields such as optimizing consumer product prices and fluid mechanics control.

In conclusion, the innovative computational approach from MIT and Harvard holds great promise for accelerating progress in cellular reprogramming, offering a more efficient and cost-effective way to identify optimal genetic interventions. This development is a significant step forward in the quest for more effective immunotherapy and regenerative therapies and has the potential for broader applications in other fields.

Check out the Paper and MIT Article. All Credit For This Research Goes To the Researchers on This Project. Also, don’t forget to join our 31k+ ML SubReddit, 40k+ Facebook Community, Discord Channel, and Email Newsletter, where we share the latest AI research news, cool AI projects, and more.

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Pragati Jhunjhunwala is a consulting intern at MarktechPost. She is currently pursuing her B.Tech from the Indian Institute of Technology(IIT), Kharagpur. She is a tech enthusiast and has a keen interest in the scope of software and data science applications. She is always reading about the developments in different field of AI and ML.

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Tags: AIbasedApproachComputationalEfficientlyExperimentsgeneticHarvardInterventionsMITOptimalPinpointingResearchersRevolutionaryUnveil
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