Functionalized lipid-like nanoparticles for in vivo mRNA delivery and base editing

  • Sci Adv. 2020 Aug 21;6(34):eabc2315. doi: 10.1126/sciadv.abc2315.
Xinfu Zhang  1  2 Weiyu Zhao  1 Giang N Nguyen  3 Chengxiang Zhang  1 Chunxi Zeng  1 Jingyue Yan  1 Shi Du  1 Xucheng Hou  1 Wenqing Li  1 Justin Jiang  1 Binbin Deng  4 David W McComb  4  5 Robert Dorkin  6 Aalok Shah  6 Luis Barrera  6 Francine Gregoire  6 Manmohan Singh  6 Delai Chen  7 Denise E Sabatino  8  9 Yizhou Dong  10  11  12  13  14  15
Affiliations
  • 1. Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA.
  • 2. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
  • 3. The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.
  • 4. Center for Electron Microscopy and Analysis, Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA.
  • 5. Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA.
  • 6. Beam Therapeutics, Cambridge, MA 02139, USA.
  • 7. Beam Therapeutics, Cambridge, MA 02139, USA. [email protected] [email protected] [email protected].
  • 8. The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA. [email protected] [email protected] [email protected].
  • 9. Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
  • 10. Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA. [email protected] [email protected] [email protected].
  • 11. Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA.
  • 12. The Center for Clinical and Translational Science, The Ohio State University, Columbus, OH 43210, USA.
  • 13. The Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA.
  • 14. Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH 43210, USA.
  • 15. Department of Radiation Oncology, The Ohio State University, Columbus, OH 43210, USA.
Abstract

Messenger RNA (mRNA) therapeutics have been explored to treat various genetic disorders. Lipid-derived nanomaterials are currently one of the most promising biomaterials that mediate effective mRNA delivery. However, efficiency and safety of this nanomaterial-based mRNA delivery remains a challenge for clinical applications. Here, we constructed a series of lipid-like nanomaterials (LLNs), named functionalized TT derivatives (FTT), for mRNA-based therapeutic applications in vivo. After screenings on the Materials, we identified FTT5 as a lead material for efficient delivery of long mRNAs, such as human Factor VIII (hFVIII) mRNA (~4.5 kb) for expression of hFVIII protein in hemophilia A mice. Moreover, FTT5 LLNs demonstrated high percentage of base editing on PCSK9 in vivo at a low dose of base editor mRNA (~5.5 kb) and single guide RNA. Consequently, FTT nanomaterials merit further development for mRNA-based therapy.

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