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We developed minimal versatile genetic perturbation technology (mvGPT) for precise gene editing, activation, and repression. This modular system enables simultaneous genetic and transcriptomic modifications in human cells for research and disease treatment.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biotechnology

Background:

  • Orthogonal genomic and transcriptomic perturbations are vital for biological research and genetic disease therapies.
  • Existing technologies often lack the flexibility for simultaneous, multi-faceted genetic manipulation.

Purpose of the Study:

  • To introduce the minimal versatile genetic perturbation technology (mvGPT), a novel toolkit for simultaneous and orthogonal gene editing, activation, and repression in human cells.
  • To demonstrate the capability of mvGPT to perform diverse genetic modifications concurrently.

Main Methods:

  • mvGPT integrates a compact prime editor (PE), MS2-p65-HSF1 (MPH) fusion activator, and a multiplex RNA production system.
  • Gene editing is achieved using PE with guide RNAs; gene activation utilizes PE with MPH-recruiting aptamers; gene repression employs RNA interference via short-hairpin RNA.

Main Results:

  • mvGPT successfully performed simultaneous genome editing (ATP7B gene), gene activation (PDX1), and gene repression (TTR) in human cells.
  • The toolkit demonstrated versatility through various delivery methods, including plasmid delivery.
  • Proof-of-concept applications included correcting a Wilson's disease mutation, upregulating a gene for diabetes, and downregulating a gene for amyloidosis.

Conclusions:

  • mvGPT offers a flexible and powerful platform for simultaneous orthogonal genetic and transcriptomic perturbations.
  • The technology holds significant potential for advancing biological research and developing novel therapeutic strategies for genetic disorders.
  • Successful delivery methods suggest future applicability for in vivo applications.