A Novel Ex Ovo Banding Technique to Alter Intracardiac Hemodynamics in an Embryonic Chicken System

作者： Vinal Menon1, Lorain Junor2, Marwa Balhaj1, John F. Eberth1,3, Jay D. Potts1,3 1Department of Cell Biology and Anatomy,School of Medicine, University of South Carolina, 2Instrumentation Resource Facility,School of Medicine, University of South Carolina, 3Biomedical Engineering Program,College of Engineering and Computing, University of South Carolina

简介：

Overview

This article presents a reproducible banding procedure to alter hemodynamics in the developing heart ex ovo by partially constricting the outflow tract (OFT). This method allows researchers to study the genetic consequences of altered cardiac hemodynamics.

Key Study Components

Area of Science

• Cardiovascular development
• Cardiac hemodynamics
• Genetic pathways

Background

• The study focuses on the development of cardiac valves.
• It addresses associated disease states in cardiovascular development.
• The procedure is designed to be nonlethal for the developing heart.
• It aims to identify genetic responses to changing hemodynamics.

Purpose of Study

• To create a reproducible method for studying cardiac hemodynamics.
• To explore genetic pathways affected by hemodynamic changes.
• To find a tipping point for heart rescue without long-term effects.

Methods Used

• Incubation of fertilized Bovan chicken eggs.
• Partial constriction of the outflow tract (OFT).
• Use of ultrasound for monitoring development.
• Demonstration by laboratory technicians and students.

Main Results

• Successful alteration of cardiac hemodynamics in developing hearts.
• Establishment of a method for studying genetic consequences.
• Insights into the development of cardiac valves.
• Potential for understanding disease states linked to hemodynamics.

Conclusions

• The banding procedure is a valuable tool for cardiovascular research.
• It provides insights into genetic pathways related to heart development.
• The method can help identify safe interventions in cardiac health.

Frequently Asked Questions