Increasing intracellular dNTP levels improves prime editing efficiency

Nat Biotechnol. 2024 Sep 25. doi: 10.1038/s41587-024-02405-x.

Pengpeng Liu ^# ¹, Karthikeyan Ponnienselvan ^# ¹, Thomas Nyalile ², Sarah Oikemus ¹, Anya T Joynt ¹, Sukanya Iyer ¹, Karen Kelly ³, Dongsheng Guo ⁴, Pyae P Kyawe ⁵ ⁶, Emma Vanderleeden ⁵ ⁶, Sambra D Redick ² ⁶, Lei Huang ¹, Zexiang Chen ³, Jeong Min Lee ⁷, Celia A Schiffer ⁷, David M Harlan ⁵ ⁶, Jennifer P Wang ⁵ ⁶, Charles P Emerson Jr ⁴, Nathan D Lawson ¹ ² ⁸, Jonathan K Watts ³ ⁷ ⁸, Erik J Sontheimer ² ³ ⁸, Jeremy Luban ² ³ ⁷ ⁸, Scot A Wolfe ⁹ ¹⁰ ¹¹

Affiliations

1 Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
2 Program in Molecular Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA.
3 RNA Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, MA, USA.
4 Department of Neurology, Wellstone Program, University of Massachusetts Chan Medical School, Worcester, MA, USA.
5 Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA.
6 Diabetes Center of Excellence, University of Massachusetts Chan Medical School, Worcester, MA, USA.
7 Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
8 Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA, USA.
9 Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA. scot.wolfe@umassmed.edu.
10 Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA, USA. scot.wolfe@umassmed.edu.
11 Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA, USA. scot.wolfe@umassmed.edu.
# Contributed equally.

PMID: 39322763 DOI: 10.1038/s41587-024-02405-x

Abstract

In primary cell types, intracellular deoxynucleotide triphosphate (dNTP) levels are tightly regulated in a cell cycle-dependent manner. We report that prime editing efficiency is increased by mutations that improve the enzymatic properties of Moloney murine leukemia virus Reverse Transcriptase and treatments that increase intracellular dNTP levels. In combination, these modifications produce substantial increases in precise editing rates.

Products

Cat. No.

Product Name

Description

Target

Research Area
HY-112251

D-Lin-MC3-DMA

99.68%, siRNA 递送载体

Liposome

Cancer

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