Abstract
The macular mouse is a mutant mouse with the same gene abnormality as that of Menkes' disease, and it exhibits symptoms and abnormalities similar to those of Menkes' disease. In an electron microscopic study, we examined morphological changes in the internal elastic lamina (IEL) of the elastic arteries (EA) and the muscular arteries (MA) in a patient with Menkes' disease and in the macular mouse, an animal model of this disease. The IEL of the EA was significantly thinner in the macular mouse than that in controls, but the IEL of the MA in the macular mouse was significantly thicker than that of the controls. These contrary results for the thickness of the IEL in the MA and the EA in this animal model of Menkes' disease may reflect differences in the anatomical and pathophysiological properties of the two types of vessels.
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