目的：探讨心肌细胞内肌动蛋白在青壮年猝死综合征死因诊断方面的价值。
Objective: To study the value of diagnosis for the cause of the sudden manhood death syndrome (SMDS).
以单体、球型肌动蛋白的形式出现，为一种球状蛋白质；在活体细胞内以聚合物、丝肌动蛋白的形式出现，像两串彼此缠绕拧成一条细丝的珠子。
It occurs as a monomer, G-actin, a globular protein, and in living cells as a polymer, F-actin, which resembles two strings of beads twisted around each other into thin filaments.
细胞内肌动蛋白的形态和分布与细胞的黏附之间有关联。
It is believed that there exists some relationship between the distribution and morphology of intracellular actin and cell adherence.
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