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WTAP Regulates NCOA4-Mediated Ferroptosis via a YTHDF2-Dependent Mechanism in Preeclampsia

ABSTRACT: WTAP knockdown alters gene expression in trophoblasts, notably downregulating YTHDF2 and upregulating NCOA4. These changes are linked to disrupted pathways in proliferation, migration, and oxidative stress, and are consistent with abnormal expression patterns observed in preeclampsia placental tissues.

ORGANISM(S): Homo sapiens

PROVIDER: GSE302952 | GEO | 2025/12/04

REPOSITORIES: GEO

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WTAP Regulates NCOA4-Mediated Ferroptosis via a YTHDF2-Dependent Mechanism in Preeclampsia

Project description:WTAP Regulates NCOA4-Mediated Ferroptosis via a YTHDF2-Dependent Mechanism in Preeclampsia

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Transcriptome profiling of human erythroblast cells knocking down NCOA4

Project description:Purpose: Knocking down NCOA4 disrupted Thyroid hormone receptor beta agonist,GC-1, mediated terminal human erythroblast differentiation. Therefore, we conducted RNA-seq to profile the transcriptome changes in NCOA4 knocked down human erythroblasts.. Methods: Human CD34+ cells were transduced by lentiviruses encoding shRNAs targeting either LacZ (control) or NCOA4 atday 1 of culture. At day 14, cells were switched to terminal differentiation medium. Results: Using an optimized data analysis workflow, we have identified an ensemble of genes whose expression are discrupted by NCOA4 knockdown. Conclusions: There is a significant correlation between the degree of GC-1-mediated gene activation and the degree of NCOA4 knockdown-mediated gene repression.

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Binding motif analysis of METTL3，WTAP in METTL3，WTAP overexpressed Human 293T cells

Project description:label the cells overexpressed Myc tagged METTL3 and Flag tagged WTAP with 4-SU, the RNA bound by METT3,WTAP can be got by Myc or Flag IP followed by RNA isolation by using the TRIzol (Invitrogen) reagent by following the company manual.the RNA was then used for library preparation using a TruSeq™ RNA Sample Prep Kit v2 (Illumina, San Diego, CA, USA) according to the manufacturer’s protocol.The libraries were sequenced using HiSeq2000 (Illumina) in single-read mode, creating reads with a length of 50 bp. Sequencing chemistry v2 (Illumina) was used and samples were multiplexed in two samples per lane. discovery of the binding motif of METTL3，WTAP in METTL3，WTAP overexpressed Human 293T cells

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Effect of iron depletion on gene expression of NCOA4-deficient and control HT22 hippocampal neuron cells

Project description:To determine the physiological roles of NCOA4 and NCOA4-mediated ferritinophagy in hippocampal neurons, NCOA4 was depleted using siRNA and desferrioxamine (DFO; 100 µM, 24 h) was added to restrict iron availability. Cells were treated for NCOA4 depletion, iron restriction, or both, and then the transcriptome profiles acquired from RNA-seq were compared with those of control (scramble siRNA-treated) cells.

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mRNA profiles of WTAP siRNA-treated HUVECs

Project description:To examine the role of WTAP in splicing regulation, we performed high-throughput mRNA sequencing (RNA-seq) on RNA isolated from control, WTAP or Virilizer siRNA-treated HUVECs, yielding 12 million uniquely mapped 75nt pair-end tags from each sample. MapSplice software was used for differential expression and differences in transcript splice junctions . mRNA profiles of control, WTAP or Virilizer siRNA-treated HUVECs were generated by deep sequencing using Illumina GAII.

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