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Updated: Feb 6, 2026

Production and Titering of Recombinant Adeno-associated Viral Vectors
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Production and Titering of Recombinant Adeno-associated Viral Vectors

Published on: November 27, 2011

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Characterization of Recombinant Adeno-Associated Viral Transduction and Safety Profiles in Cardiomyocytes

Jianzhong Ai1, Yong He2, Mingxia Zheng2

  • 1Institute of Urology, Department of Urology, West China Hospital, Sichuan University, Chengdu, China.

Cellular Physiology and Biochemistry : International Journal of Experimental Cellular Physiology, Biochemistry, and Pharmacology
|August 10, 2018
PubMed

Insights

Recombinant adeno-associated virus (AAV) serotype 9 efficiently transduces heart cells, showing promise for treating cardiovascular diseases. This gene therapy vector is safe and effective both in lab cultures and live mice.

Area of Science:

  • Cardiovascular Research
  • Gene Therapy
  • Molecular Biology

Background:

  • Cardiovascular diseases (CVD) are a leading cause of mortality worldwide.
  • Effective treatments for CVD remain limited.
  • Gene therapy presents a potential avenue for treating heart conditions.

Purpose of the Study:

  • To evaluate the transduction efficiency of recombinant adeno-associated virus (AAV) serotype 9.
  • To assess the safety profile of AAV serotype 9 for cardiomyocytes.
  • To investigate AAV9 efficacy both in vitro and in vivo.

Main Methods:

  • Production of rAAV serotype 9 carrying enhanced green fluorescence protein (EGFP) under a cardiac troponin T (cTNT) promoter.
  • Characterization of transduction efficiency in primary cultured cardiomyocytes (in vitro).
  • Assessment of transduction in wild-type mouse heart tissue following intravenous injection (in vivo).

Main Results:

  • rAAV9 demonstrated efficient transduction of mouse cardiomyocytes in vitro.
  • Intravenous administration of rAAV9 resulted in efficient and safe transduction of cardiomyocytes.
  • The vector successfully targeted cardiomyocytes relevant to heart disease pathology.

Conclusions:

  • rAAV9 effectively and safely transduces cardiomyocytes both in vitro and in vivo.
  • The rAAV9 serotype vector shows significant potential as a tool for future gene therapy applications in heart diseases.
  • This study supports the development of AAV9-based gene therapies for cardiovascular conditions.
Abstract

Keywords:
Adeno-associated virusGene therapyHeart diseasesSafety profileTransduction efficacy

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