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Tissue-specific Cre driver mice to study vascular diseases.

Qing Rex Lyu1, Kailong Fu2

  • 1Medical Research Center, Chongqing General Hospital, Chongqing 401147, China; Chongqing Academy of Medical Sciences, Chongqing 401147, China.

Vascular Pharmacology
|November 3, 2023
PubMed
Summary

Gene knockout mice, particularly conditional knockout (cKO) models using the Cre-loxP system, are crucial for understanding vascular diseases like atherosclerosis. This review highlights Cre driver mice for vessel cell types and discusses minimizing Cre toxicity for accurate research outcomes.

Keywords:
Conditional knockout miceCre toxicityCre-loxP systemEndothelial cellsSmooth muscle cellsVascular disease

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Area of Science:

  • Vascular biology and disease research.
  • Genetics and molecular biology.
  • Animal models for disease mechanisms.

Background:

  • Vascular diseases are a leading cause of death in the elderly, with limited treatment options.
  • Gene knockout (KO) and conditional knockout (cKO) mice are vital tools for studying gene function in vascular diseases.
  • The Cre-loxP system is the primary method for generating cKO mice.

Purpose of the Study:

  • To review Cre driver mouse lines for studying major vascular cell types (endothelial cells, smooth muscle cells, fibroblasts).
  • To discuss the characteristics of arterial wall layers.
  • To explore strategies for mitigating Cre toxicity in experimental models.

Main Methods:

  • Review of existing literature on Cre driver mice and their applications in vascular biology.
  • Discussion of the Cre-loxP system and its use in generating cKO mice.
  • Analysis of Cre toxicity and methods to minimize its interference.

Main Results:

  • Overview of established Cre driver mouse lines for specific vascular cell types.
  • Summary of recent applications of these models in vascular research.
  • Identification of Cre toxicity as a potential confounding factor and proposed solutions.

Conclusions:

  • Cre driver mice are indispensable for dissecting gene function in vascular disease.
  • Careful consideration of Cre toxicity is necessary for reliable experimental results.
  • Future directions include advanced systems like single-cell RNA sequencing and dual recombinase systems for enhanced tissue-specific gene manipulation.