Abstract
Vascular smooth muscle cells (VSMCs) play important roles in cardiovascular disorders and biology. Outlined in this paper is a step-by-step procedure for isolating aortic VSMCs from adult C57BL6J male mice by enzymatic digestion of the aorta using collagenase. The plating, culturing, and subculturing of the isolated cells are discussed in detail along with techniques to characterize VSMC phenotype by gene expression and immunofluorescence. Traction force microscopy was used to characterize contractility of single subcultured VSMCs at baseline.
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Abbreviations
- Acta2:
-
Smooth muscle α-actin
- APS:
-
Ammonium persulfate
- Cald1:
-
Caldesmon1
- Cnn1:
-
Calponin1
- EdU:
-
5-Ethynyl-2′-deoxyuridine
- FN:
-
Fibronectin
- Myh11:
-
Smooth muscle myosin heavy chain
- P1:
-
Passage 1
- P2:
-
Passage 2
- PA:
-
Polyacrylamide
- PDMS:
-
Polydimethylsiloxane
- sm22α (Tagln):
-
Smooth muscle22α (also known as Transgelin (Tagln))
- Smtn:
-
Smoothelin
- TFM:
-
Traction force microscopy
- TEMED:
-
Tetramethylethylenediamine
- VSMC:
-
Vascular smooth muscle cell
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Acknowledgments
The authors wish to thank the University of Minnesota Genomics Core for single-cell RNA sequencing.
Source of Funding
The sources of funding are from DK54733 (LW), DK60521 (LW), LHI Innovation Grant (LW, JLH), and the Lindahl Foundation (JLH).
The Use of Laboratory Animals
All institutional and national guidelines for the care and use of laboratory animals were followed and approved by the appropriate institutional committees.
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Associate Editor Lorrie Kirshenbaum oversaw the review of this article
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Adhikari, N., Shekar, K.C., Staggs, R. et al. Guidelines for the Isolation and Characterization of Murine Vascular Smooth Muscle Cells. A Report from the International Society of Cardiovascular Translational Research. J. of Cardiovasc. Trans. Res. 8, 158–163 (2015). https://doi.org/10.1007/s12265-015-9616-6
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DOI: https://doi.org/10.1007/s12265-015-9616-6