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Báo cáo khoa học: Two separate regions essential for nuclear import of the hnRNP D nucleocytoplasmic shuttling sequence
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Heterogeneous nuclear ribonucleoprotein (hnRNP) D⁄AUF1 functions in mRNA genesis in the nucleus and modulates mRNA decay in the cyto-plasm. Although it is primarily nuclear, it shuttles between the nucleus and cytoplasm. We studied the nuclear import and export of the last exon-enco-ding sequence common to all its isoforms by its expression as a green fluor-escent protein-fusion protein in HeLa cells and by heterokaryon assay.
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