Nashwa El-Khazragy, Sara Elsayed Abdelrahman, Amal Darwish, Eman H A Hemida
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Combined replacement of lnc-MEG3 and miR-155 elicit tumor suppression in multiple myeloma.
Aims: To investigate the biological impact of simultaneous overexpression of lncRNA MEG3 and miR-155, termed a "double hit," on multiple myeloma (MM) cells compared to individual biomarker substitution.
Materials and methods: Human MM cells were transfected with MEG3-overexpressed plasmids and miR-155 mimics. Cell cytotoxicity, apoptosis, and gene expression were evaluated in transfected cells and clinical samples.
Results: MEG3 and miR-155 were significantly downregulated in MM patients, with lower expression levels correlating with advanced disease stages and poorer survival. Dual overexpression induced potent cytotoxic effects in MM cells.
Conclusion: MEG3 and miR-155 are potential tumor suppressors in MM. Simultaneous overexpression of both biomarkers could represent a novel therapeutic strategy, and their levels could serve as diagnostic and prognostic markers.
期刊介绍：
Epigenomics provides the forum to address the rapidly progressing research developments in this ever-expanding field; to report on the major challenges ahead and critical advances that are propelling the science forward. The journal delivers this information in concise, at-a-glance article formats – invaluable to a time constrained community.
Substantial developments in our current knowledge and understanding of genomics and epigenetics are constantly being made, yet this field is still in its infancy. Epigenomics provides a critical overview of the latest and most significant advances as they unfold and explores their potential application in the clinical setting.
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