Clonal Genetic Tracing using the Confetti Mouse to Study Mineralized Tissues

Area of Science:

• Developmental Biology
• Stem Cell Biology
• Tissue Engineering

Background:

• Cellular labeling is crucial for understanding tissue development, maintenance, and renewal.
• The Confetti mouse model is a key tool for in vivo clonal genetic tracing.
• Challenges exist in preserving fluorescent signals, especially in mineralized tissues.

Purpose of the Study:

• To provide a detailed protocol for utilizing the Confetti mouse model.
• To enable clonal lineage tracing in growth plate cartilage.
• To address technical challenges in analyzing mineralized tissues.

Main Methods:

• Utilizing the Confetti mouse model for genetic cell labeling.
• Implementing a step-by-step protocol for tissue analysis.
• Adapting methods for mineralized and non-mineralized tissues.

Main Results:

• Demonstrated successful application of the Confetti model in growth plate cartilage.
• Overcame technical hurdles in fluorescent signal preservation and capture.
• Provided a robust protocol applicable to diverse tissue types.

Conclusions:

• The described protocol enhances the utility of the Confetti model for clonal lineage tracing.
• This method facilitates deeper understanding of cellular mechanisms in tissue development and homeostasis.
• The protocol is adaptable for broad applications in biological research.