הדמיה מהירה ברזולוציה גבוהה של כלי דם של בעלי חיים קטנים למחקרים כמותיים

Overview

This protocol introduces a rapid method for quantitative whole-mount three-dimensional vascular imaging using light-sheet fluorescence microscopy. The technique is demonstrated using the pharyngeal arch artery system of the chick embryo model, allowing for the quantification of hemodynamic forces through computational fluid dynamics.

Key Study Components

Area of Science

• Neuroscience
• Vascular Imaging
• Embryology

Background

• Understanding mechanisms of disease formation, particularly congenital heart defects.
• Investigating the role of hemodynamic flow in disease development.
• Utilizing various imaging techniques for high-resolution scans.
• Addressing the need for accessible vascular imaging methods.

Purpose of Study

• To provide a rapid and efficient vascular imaging technique.
• To apply the method across various animal models, including embryos.
• To reduce sample preparation time significantly.

Methods Used

• Light-sheet fluorescence microscopy for imaging.
• Computational fluid dynamics for hemodynamic analysis.
• Minimal use of hazardous clearing compounds.
• Application of the method to chick embryo models.

Main Results

• Demonstrated efficacy of the imaging method on the pharyngeal arch artery system.
• Quantified hemodynamic forces effectively.
• Reduced sample preparation time from four weeks to three days.
• Enabled imaging without reliance on vascular markers in early embryos.

Conclusions

• The protocol offers a time-efficient solution for vascular imaging.
• It is applicable to various animal models and their developmental stages.
• The method enhances the understanding of vascular development and disease mechanisms.

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