简介：
Overview
This procedure outlines the delivery of cells into the left ventricular myocardium of murine hearts, which is crucial for studying cardiovascular diseases. It emphasizes the importance of visualization of the injected cells one week post-injection to assess therapeutic efficacy.
Key Study Components
Area of Science
- Cardiovascular research
- Cell therapy
- Regenerative medicine
Background
- Intramyocardial cell delivery is used in murine models.
- It helps evaluate the therapeutic potential of various cell types.
- Understanding the procedure aids in defining the limits of cardiovascular cell therapies.
- Visualization techniques are essential for confirming cell presence post-delivery.
Purpose of Study
- To deliver a specific amount of cells into the left ventricle.
- To visualize the injected cells after one week.
- To provide a detailed surgical procedure for researchers.
Methods Used
- Preparation of selected cells by incubating with DPI.
- Thoracotomy through the left fourth intercostal space.
- Loading cells into a syringe with a small plastic cannula.
- Injecting cells into the left ventricular wall.
Main Results
- Histology and scanning electron microscopy confirm cell presence.
- Visualization of injected cells is successful one week post-injection.
- The procedure is effective for studying cell therapies in cardiovascular research.
- Clear visualization aids in understanding the therapeutic potential.
Conclusions
- Intramyocardial delivery is a viable method for cell therapy studies.
- Visualization techniques are critical for assessing outcomes.
- This procedure can help define the advantages of cell therapies in small rodents.
What is the purpose of the cell delivery procedure?
The procedure aims to deliver cells into the left ventricle for therapeutic studies and to visualize their presence after one week.
How are the cells prepared for injection?
Cells are incubated with DPI for two hours before being loaded into a syringe for injection.
What surgical method is used to access the heart?
A thoracotomy through the left fourth intercostal space is performed to expose the heart.
What techniques are used to visualize the injected cells?
Histology and scanning electron microscopy are used to confirm the presence of injected cells.
Why is visualization important in this study?
Visualization is crucial for assessing the success of cell delivery and the potential therapeutic effects.
What are the main results of this procedure?
The procedure successfully demonstrates the presence of injected cells one week after delivery, confirming its effectiveness.
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