Isolation of Mouse Interstitial Valve Cells to Study the Calcification of the Aortic Valve In Vitro

作者： Rihab Bouchareb1, Djamel Lebeche1,2,3 1Cardiovascular Research Center,The Icahn School of Medicine at Mount Sinai, 2Diabetes, Obesity and Metabolism Institute, Department of Medicine,The Icahn School of Medicine at Mount Sinai, 3Graduate School of Biomedical Sciences,The Icahn School of Medicine at Mount Sinai

简介：

Overview

This article details a two-step collagenase procedure for isolating mouse aortic valve cells, essential for studying molecular pathways involved in aortic valve calcification. The isolation method enables subsequent assays to evaluate valve mineralization.

Key Study Components

Research Area

• Cell biology
• Signaling pathways
• Aortic valve calcification

Background

• The significance of isolated valve cells in understanding calcification mechanisms.
• The challenges associated with isolating aortic valves from eight-week-old mice.
• The importance of transgenic mouse models in revealing molecular pathways.

Methods Used

• Two-step collagenase digestion for cell isolation.
• Mouse model, specifically aortic valves from transgenic mice.
• In vitro assays, including calcium concentration measurement with Arsenazo III reagent.

Main Results

• Successful isolation and culture of valve cells.
• Identification of valve cell phenotypes via immunofluorescent staining.
• Validation of findings through multiple biological replicates.

Conclusions

• This study presents an efficient method for isolating aortic valve cells, enhancing the understanding of molecular mechanisms in aortic stenosis.
• The findings contribute to broader biological research on heart valve calcification.

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