Chazi Steinberg

Coloring of the meeting areas between nerve cells (green) and muscle (red). The yellow staining represents complete overlap between the nerve cells and the muscle in normal mice (bottom). In transgenic mice, which lack microRNA in nerve cells that innervate muscles, only the muscle staining is visible (above, in red), because the nerve in the junction area is diseased. Illustration: Weizmann Institute

ALS - suddenly in the middle of life

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The motor neurons, which control voluntary muscle movement, gradually degenerate. As a result, the patient loses the function of most muscles