ייצור ומיקרוסקופ הדמיה לכל החיים של תאים חיים מרובי פרמטרים (FLIM) של ספרואידים רב-תאיים

Overview

This article presents various methods for forming multicellular spheroids to analyze cell metabolism and oxygen distribution using live cell microscopy. The study highlights the use of fluorescence lifetime imaging microscopy (FLIM) to investigate metabolic biomarkers in live cells.

Key Study Components

Area of Science

• Neuroscience
• Cell Biology
• Live Cell Imaging

Background

• Multicellular spheroids and organoids replicate in-vivo-like microenvironments.
• Fluorescence lifetime imaging microscopy is used to study metabolic biomarkers.
• High variability and low reproducibility are challenges in 3D in vitro models.
• Different spheroid formation methods can be employed for various applications.

Purpose of Study

• To compare spheroid formation methods for live cell microscopy.
• To analyze cell metabolism, hypoxia, and cell death in 3D models.
• To improve the understanding of oxygen distribution in multicellular systems.

Methods Used

• Fluorescence lifetime imaging microscopy (FLIM)
• Cellular autofluorescence analysis
• Use of staining dyes and fluorescent nanoparticles
• Different spheroid formation techniques

Main Results

• Demonstrated methods for analyzing cell metabolism in 3D spheroids.
• Showed compatibility of spheroids with FLIM for metabolic studies.
• Highlighted the importance of extracellular matrix components in spheroid formation.
• Addressed challenges in reproducibility and variability of 3D cultures.

Conclusions

• Different spheroid formation methods can enhance live cell analysis.
• FLIM provides valuable insights into metabolic processes in 3D models.
• Continued development of these methods can reduce reliance on animal models.

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