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Gene & Protein in Disease                                         FXR1 modulates gene expression in cancer




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            Figure 7. (Continued)

            expression, either through direct interactions with mRNA   FXR1, like other members of the FXR family, is
            transcripts or by modulating upstream signaling pathways.   known to localize to stress granules under cellular
            These findings are consistent with previous reports   stress conditions. This sequestration modulates its
            demonstrating FXR1’s involvement in post-transcriptional   post-transcriptional regulatory activity by preventing
            regulation, where it influences the stability, translation,   interaction with its target mRNAs. 36-38  While FXR1
            or degradation of its target mRNAs. In line with this,   overexpression promotes oncogenesis by regulating
            our Kaplan-Meier survival analyses revealed that high   oncogenes and tumor suppressors, excessive FXR1
                                                               levels or stress-induced granule formation may lead
            expression levels of FXR1 and its associated genes correlate   to  its functional  inactivation.  This interplay  suggests
            with poor overall survival in cancer patients, underscoring   that  FXR1’s  oncogenic  potential  is  tightly  regulated  by
            its potential as a biomarker for cancer aggressiveness.   both its expression levels and its localization dynamics
            Moreover, FXR1’s ability to modulate gene expression   within stress granules.  The oncogenic effects of FXR1
                                                                                 39
            suggests  that  it  could  serve  as  a  potential  target  for   overexpression appear to be dose-dependent; moderate
            therapeutic intervention for restoring the balance between   overexpression enhances FXR1’s interaction with target
            oncogenic and tumor-suppressive pathways.          mRNAs, promoting its oncogenic effects, whereas excessive


            Volume 4 Issue 1 (2025)                         14                              doi: 10.36922/gpd.5068
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