Publications by authors named "N V Timchenko"

Myotonic Dystrophy type 2 (DM2) is a multisystem disease affecting many tissues, including skeletal muscle, heart, and brain. DM2 is caused by unstable expansion of CCTG repeats in an intron 1 of a gene coding for cellular nuclear binding protein (CNBP). The expanded CCTG repeats cause DM2 pathology due to the accumulation of RNA CCUG repeats, which affect RNA processing in patients' cells.

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Hepatoblastoma (HBL) and fibrolamellar hepatocellular carcinoma (FLC) are the most common liver malignancies in children and young adults. FLC oncogenesis is associated with the generation of the fusion kinase, DNAJB1-PKAc (J-PKAc). J-PKAc has been found in 90% of FLC patients' tumors but not in other liver cancers.

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Nucleostemin (NS) plays a role in liver regeneration, and aging reduces its expression in the baseline and regenerating livers following 70% partial hepatectomy (PHx). Here we interrogate the mechanism controlling NS expression during liver regeneration and aging. The NS promoter was analyzed by TRANSFAC.

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Unlabelled: The pediatric liver cancers, hepatoblastoma and hepatocellular carcinoma, are dangerous cancers which often spread to the lungs. Although treatments with cisplatin significantly improve outcomes, cisplatin may not eliminate metastasis-initiating cells. Our group has recently shown that the metastatic microenvironments of hepatoblastoma contain Cancer Associated Fibroblasts (CAFs) and neuron-like cells, which initiate cancer spread from liver to lungs.

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Article Synopsis
  • - The study focuses on the role of Methyltransferase 16 (METTL16) in liver cancer stem cells (CSCs), revealing its significant involvement in the development and maintenance of hepatocellular carcinoma (HCC) while having a lesser effect on normal liver development.
  • - Using various experimental models, the researchers found that depleting METTL16 reduced CSC frequency and hindered HCC initiation and progression, indicating METTL16's essential role in cancer biology.
  • - The research highlights METTL16 as a key regulator of ribosomal RNA maturation and mRNA translation, identifying eIF3a as a target, providing insights for potential therapeutic developments against liver cancer.
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