TET protein inhibitors: Potential and limitations

Kaplánek, Robert; Kejík, Zdeněk; Hajduch, Jan; Veselá, Kateřina; Kučnirová, Kateřina; Skaličková, Markéta; Venhauerová, Anna; Hosnedlová, Božena; Hromádka, Róbert; Dytrych, Petr; Novotný, Petr; Abramenko, Nikita; Antonyová, Veronika; Hoskovec, David; Babula, Petr; Masařík, Michal; Martásek, Pavel; Jakubek, Milan

doi:10.1016/j.biopha.2023.115324

Cited by 8 publications

(1 citation statement)

References 189 publications

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“…In some tumors, TEAD4-∆N may be overexpressed, making its silencing potentially beneficial. Treatment with DNA demethylase inhibitors, such as TET inhibitors, could be advisable [39]. Therefore, a systematic analysis of the DNA methylation status of the TEAD4-∆N promoter in tumor samples can have diagnostic significance and provide guidance for treatment options.…”

Section: Discussionmentioning

confidence: 99%

Integrative Epigenetic and Molecular Analysis Reveals a Novel Promoter for a New Isoform of the Transcription Factor TEAD4

Rashidiani,

Mamo,

Farkas

et al. 2024

IJMS

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TEAD4 is a transcription factor that plays a crucial role in the Hippo pathway by regulating the expression of genes related to proliferation and apoptosis. It is also involved in the maintenance and differentiation of the trophectoderm during pre- and post-implantation embryonic development. An alternative promoter for the TEAD4 gene was identified through epigenetic profile analysis, and a new transcript from the intronic region of TEAD4 was discovered using the 5’RACE method. The transcript of the novel promoter encodes a TEAD4 isoform (TEAD4-ΔN) that lacks the DNA-binding domain but retains the C-terminal protein–protein interaction domain. Gene expression studies, including end-point PCR and Western blotting, showed that full-length TEAD4 was present in all investigated tissues. However, TEAD4-ΔN was only detectable in certain cell types. The TEAD4-ΔN promoter is conserved throughout evolution and demonstrates transcriptional activity in transient-expression experiments. Our study reveals that TEAD4 interacts with the alternative promoter and increases the expression of the truncated isoform. DNA methylation plays a crucial function in the restricted expression of the TEAD4-ΔN isoform in specific tissues, including the umbilical cord and the placenta. The data presented indicate that the DNA-methylation status of the TEAD4-ΔN promoter plays a critical role in regulating organ size, cancer development, and placenta differentiation.

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Section: Discussionmentioning

confidence: 99%