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Quantitative Analyse und Charakterisierung atherosklerotischer Läsionen im murinen Aortensinus
Quantitative Analyse und Charakterisierung atherosklerotischer Läsionen im murinen Aortensinus
JoVE Journal
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JoVE Journal Medicine
Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Quantitative Analyse und Charakterisierung atherosklerotischer Läsionen im murinen Aortensinus

Full Text
14,674 Views
06:43 min
December 7, 2013

DOI: 10.3791/50933-v

Daniel E. Venegas-Pino1, Nicole Banko1, Mohammed I. Khan2, Yuanyuan Shi2, Geoff H. Werstuck1,2

1Department of Biochemistry and Biomedical Sciences,McMaster University, 2Thrombosis and Atherosclerosis Research Institute,McMaster University

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This article describes procedures to quantify and characterize atherosclerotic lesions in mouse models. The methods involve precision sectioning of the aortic sinus and ascending aorta, followed by histochemical and immunohistochemical analysis.

Key Study Components

Area of Science

  • Neuroscience
  • Cardiovascular Biology
  • Histology

Background

  • Atherosclerosis is a major cardiovascular disease.
  • Mouse models are commonly used to study atherosclerotic lesions.
  • Histochemical and immunohistochemical techniques are essential for analysis.
  • Understanding lesion characteristics can aid in therapeutic developments.

Purpose of Study

  • To characterize atherosclerotic lesions in the aortic sinus.
  • To quantify the size and composition of lesions.
  • To utilize advanced histological techniques for detailed analysis.

Methods Used

  • Dissection of the extracted heart to locate the aortic sinus.
  • Preparation of paraffin blocks from the processed heart.
  • Sectioning of the aortic sinus and mounting onto slides.
  • Staining of tissue sections for analysis.

Main Results

  • Different sizes of atherosclerotic lesions were identified.
  • Variations in lesion composition were observed through staining.
  • Histochemical and immunohistochemical analysis provided detailed insights.
  • Results can inform future research on atherosclerosis.

Conclusions

  • The methods described are effective for studying atherosclerotic lesions.
  • Characterization of lesions can enhance understanding of cardiovascular diseases.
  • These techniques can be applied to other models of cardiovascular research.

Frequently Asked Questions

What is the significance of studying atherosclerotic lesions?
Studying atherosclerotic lesions helps in understanding cardiovascular diseases and developing potential therapies.
How are the aortic sinus and ascending aorta prepared for analysis?
The aortic sinus is sectioned and mounted onto slides after being processed into paraffin blocks.
What techniques are used to analyze the lesions?
Histochemical and immunohistochemical techniques are employed to characterize and quantify the lesions.
Can these methods be applied to other models?
Yes, the techniques can be adapted for use in other cardiovascular research models.
What are the expected outcomes of this study?
The study aims to provide insights into the size and composition of atherosclerotic lesions.
Is this research relevant to human health?
Yes, understanding atherosclerosis in mouse models can inform human cardiovascular disease research.

Wir beschreiben Verfahren zur Quantifizierung und Charakterisierung atherosklerotischer Läsionen in Mausmodellen durch Präzisionsschnitte der Aortenhöhle und der aufsteigenden Aorta in Kombination mit histochemischer und immunhistochemischer Analyse.

Das übergeordnete Ziel dieses Verfahrens ist es, atherosklerotische Läsionen im MI-Aortensinus zu charakterisieren und zu quantifizieren. Dies wird erreicht, indem zunächst ein extrahiertes Herz präpariert wird, um den apikalen Teil zu trennen und den Aortensinus zu lokalisieren. Als nächstes werden Paraffinblöcke mit dem verarbeiteten apikalen Teil des Herzens hergestellt.

Dann wird der Aortensinus durchtrennt und auf Objektträger montiert. Abschließend werden die Gewebeschnitte angefärbt. Letztendlich können durch histochemische und immunhistochemische Analysen Ergebnisse erzielt werden, die unterschiedliche Größen und Zusammensetzungen von atherosklerotischen Läsionen zeigen.

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