A Col22a1-EGFP reporter reveals dynamic three-dimensional organization of the myotendinous junction
The myotendinous junction (MTJ) is a specialized extracellular matrix-rich interface that transmits contractile force generated by skeletal muscle to tendon, but its three-dimensional organization and dynamics remain poorly characterized. Here, we generate a Col22a1-EGFP knock-in mouse that enables direct visualization and quantitative analysis of MTJs from embryonic development to adulthood.…
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