该基因编码一种Ⅲ型中间丝蛋白中间丝，连同微管和肌动蛋白微丝，构成细胞骨架编码蛋白负责维持细胞的形状和细胞质的完整性，并稳定细胞与骨骼的相互作用。该蛋白参与神经纤维生成和胆固醇转运，并作为参与细胞附着、迁移和信号传导的其他一些关键蛋白的组织者发挥作用细菌和病毒病原体在宿主细胞表面附着这种蛋白质该基因突变与人类先天性白内障有关。
This gene encodes a type III intermediate filament protein. Intermediate filaments, along with microtubules and actin microfilaments, make up the cytoskeleton. The encoded protein is responsible for maintaining cell shape and integrity of the cytoplasm, and stabilizing cytoskeletal interactions. This protein is involved in neuritogenesis and cholesterol transport and functions as an organizer of a number of other critical proteins involved in cell attachment, migration, and signaling. Bacterial and viral pathogens have been shown to attach to this protein on the host cell surface. Mutations in this gene are associated with congenital cataracts in human patients.
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