Platelet Abnormalities in Muscular Dystrophy

Summary

Platelets which have complex membranes and calcium shifts similar to those in muscles were investigated in 14 patients with muscular dystrophy and 20 suitable controls. In 4 Duchenne and one limb-girdle dystrophy aggregations were done and found to be depressed with adrenaline and ADP. Electron microscopic and chemical examinations revealed an increased number of dense bodies, changed permeability and/or binding of cations and elevated intracellular calcium in all the 9 cases of Duchenne dystrophy while the 2 limb-girdle and 3 myotonic dystrophies varied.

A two phase polymer separation system applied to fixed platelets of all patients and controls showed no abnormality of surface negative charge.

Keywords

Platelet calcium - Adrenaline aggregation - Surface-charge

• References

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