A comparative enzyme-histochemical study was made of the sarcoplasmic masses in a muscle biopsy specimen from a patient with myotonic dystrophy and those in the jaw-muscle of the Rana temporaria tadpole. The enzyme-histochemical patterns of the two models proved to be identical.
An autoradiographic study was made of the sarcoplasmic masses in the R temporaria tadpole with DL-thyroxine-2-14C and levomethionine 35S. The radioactively labeled compounds were found to be stored or incorporated mainly in the myofibrillae, and virtually not at all in the sarcoplasmic masses.
Jager WADH, Meijer AH, de Jong JV. Sarcoplasmic Masses: Enzyme Histochemistry and Autoradiography. Arch Neurol. 1975;32(4):247–249. doi:10.1001/archneur.1975.00490460063008
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