KPNA2作为核转运蛋白家族成员之一，通过核浆运输功能调节多种蛋白的核转位，而参与细胞分化、增殖凋亡、转录调节、免疫反应和病毒感染等多种生命活动。近年来研究表明KPNA2在多种肿瘤组织中表达上调，并且KPNA2的异常表达与患者预后差相关，提示KPNA2在肿瘤形成和进展过程中扮演重要角色。经细胞学研究证实，KPNA2亦参与细胞的恶性转化。因此，本文对KPNA2的功能及在肿瘤中的研究进展进行综述。%KPNA2 is a member of the karyopherin family. Given its function in nucleocytoplasmic transport, KPNA2 mediates the trans-location of various proteins and is involved in numerous cellular processes, such as cellular differentiation, proliferation and apoptosis, transcriptional regulation, immune response, and viral infection. Several studies have recently demonstrated that KPNA2 is upregulat-ed in multiple malignancies. Its aberrant expression is often associated with adverse outcomes in affected patients, indicating that KP-NA2 plays a significant role in carcinogenesis and tumor progression. These findings are supported by previous studies, which reported that KPNA2 may have a functional role in the malignant transformation of cells. This study provides an overview of the research prog-ress in KPNA2 and its functional roles in multiple cancers.
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