Osteopontin(OPN) is one of adhesive proteins in extracellular matrix, which can be synthesized and secreted by proliferating vascular smooth muscle cells (VSMCs). OPN can induce cell adhesion and migration.
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- 骨橋蛋白（osteopontin，OPN）是細胞外基質(zhì)的一種粘附性蛋白，可由增殖活躍的血管平滑肌細胞（vascular smooth muscle cell, VSMC）合成和分泌，具有誘導細胞粘附及遷移的作用。
