Efficient Isolation and Ex Vivo Differentiation of Murine Satellite Cells from Healthy and Dystrophic Muscle.

Q4 Biochemistry, Genetics and Molecular Biology
Alessio A Cusmano, Cordell A VanGenderen, Tim O Lorenz, Yafen Yang, Natasha C Chang
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引用次数: 0

Abstract

Satellite cells are the stem cells of adult skeletal muscles and confer skeletal muscle with remarkable regenerative ability. Under homeostatic conditions, satellite cells reside in a quiescent state in their niche along the basal lamina of muscle fibers. Upon receiving stimuli, satellite cells activate and engage in regenerative myogenesis to repair damaged fibers. Due to the impact of satellite cell differentiation on muscle physiology, studying their differentiation is relevant both within the context of healthy and diseased muscle. Due to the abundance of cell populations within skeletal muscle, the study of satellite cells is predicated on isolating highly pure populations. Fluorescence activated cell sorting (FACS) represents the gold standard for deriving highly pure satellite cell isolates but is costly and can reduce cell viability. In addition, proliferating satellite cells in vitro invariably transition to a homogeneous myoblast population that bestows a selective advantage on fast-dividing cells, reducing satellite cell heterogeneity. In this chapter, we describe our protocol for magnetic-activated cell sorting (MACS) of satellite cells. MACS preserves cell viability to a greater degree than FACS, and our approach allows for highly pure sorted populations of satellite cells. In addition, sorted cells can enter and progress through the myogenic program immediately upon plating, avoiding the need for lengthy expansion periods.

从健康和萎缩性肌肉中高效分离和体外分化小鼠卫星细胞
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来源期刊
Methods in molecular biology
Methods in molecular biology Biochemistry, Genetics and Molecular Biology-Genetics
CiteScore
2.00
自引率
0.00%
发文量
3536
期刊介绍: For over 20 years, biological scientists have come to rely on the research protocols and methodologies in the critically acclaimed Methods in Molecular Biology series. The series was the first to introduce the step-by-step protocols approach that has become the standard in all biomedical protocol publishing. Each protocol is provided in readily-reproducible step-by-step fashion, opening with an introductory overview, a list of the materials and reagents needed to complete the experiment, and followed by a detailed procedure that is supported with a helpful notes section offering tips and tricks of the trade as well as troubleshooting advice.
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