AI提升CRISPR引导RNA设计效率与安全性,解释性模型揭示关键序列特征。
Artificial Intelligence for CRISPR Guide RNA Design: Explainable Models and Off-Target Safety
- 利用深度学习预测gRNA靶向活性,识别潜在脱靶风险。
- 结合XAI技术解析模型决策依据,定位影响编辑效果的序列元件。
- 适合基因编辑、AI生物应用及临床转化研究者参考。
基于CRISPR的基因编辑已革新生物技术,但优化引导RNA(gRNA)设计以提高效率与安全性仍是关键挑战。2020至2025年进展表明,人工智能(尤其是深度学习)可显著提升gRNA靶向活性预测能力,并有效识别脱靶风险。同时,新兴的可解释人工智能(XAI)技术逐步揭开模型黑箱,揭示驱动Cas酶性能的序列特征与基因组背景。本文综述当前先进机器学习模型在CRISPR gRNA设计中的应用,重点分析模型预测的解释策略,以及脱靶预测与安全评估的新发展。强调来自顶刊的研究突破,体现AI与基因编辑的跨学科融合,推动更高效、精准且具临床可行性的CRISPR应用。
原文摘要 · Abstract (English)
CRISPR-based genome editing has revolutionized biotechnology, yet optimizing guide RNA (gRNA) design for efficiency and safety remains a critical challenge. Recent advances (2020--2025, updated to reflect current year if needed) demonstrate that artificial intelligence (AI), especially deep learning, can markedly improve the prediction of gRNA on-target activity and identify off-target risks. In parallel, emerging explainable AI (XAI) techniques are beginning to illuminate the black-box nature of these models, offering insights into sequence features and genomic contexts that drive Cas enzyme performance. Here we review how state-of-the-art machine learning models are enhancing gRNA design for CRISPR systems, highlight strategies for interpreting model predictions, and discuss new developments in off-target prediction and safety assessment. We emphasize breakthroughs from top-tier journals that underscore an interdisciplinary convergence of AI and genome editing to enable more efficient, specific, and clinically viable CRISPR applications.
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