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Updated: Sep 1, 2025
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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
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Induced pluripotent stem cell-derived smooth muscle cells to study cardiovascular calcification
Samantha K Atkins1, Abhijeet R Sonawane1,2, Romi Brouwhuis1
1Center for Interdisciplinary Cardiovascular Sciences, Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States.
Frontiers in Cardiovascular Medicine
|August 12, 2022
Summary
Researchers developed a new method using induced pluripotent stem cells (iPSCs) to create vascular smooth muscle cells (SMCs) for studying cardiovascular calcification, offering a scalable cell source for research.
Area of Science:
- Stem Cell Biology
- Cardiovascular Research
- Proteomics
Background:
- Cardiovascular calcification is a major cause of death and disease worldwide.
- Current treatments for cardiovascular calcification are limited to invasive surgical options.
- Vascular smooth muscle cells (SMCs) play a critical role in the development of vascular calcification.
Purpose of the Study:
- To establish an induced pluripotent stem cell (iPSC)-derived model of vascular smooth muscle cells (SMCs) for studying cardiovascular calcification.
- To characterize the proteomic changes during iPSC differentiation into SMCs (iSMCs).
- To develop an in vitro model for investigating vascular calcification using iSMCs.
Main Methods:
- Differentiated human iPSCs into iSMCs using a 10-day protocol.
- Characterized iSMC differentiation via morphology, immunofluorescence, flow cytometry, and proteomics.
- Induced calcification in iSMCs by culturing in osteogenic media for 17 days, verified by Alizarin Red S staining and proteomics.
Main Results:
- Successfully differentiated iPSCs into iSMCs, confirmed by multiple analytical methods.
- Proteomic analysis revealed key cellular pathway dynamics during iSMC development and showed high correlation with primary human SMCs.
- Established a functional in vitro model of vascular calcification using iSMCs.
Conclusions:
- Generated an inexhaustible source of functional vascular SMCs and calcifying SMCs from iPSCs.
- The iPSC-derived SMC model provides a valuable tool for studying cardiovascular calcification pathogenesis.
- This model holds significant potential for future cardiovascular calcification research and therapeutic development.
