ArticleCell death & disease2021
Topoisomerase II is regulated by translationally controlled tumor protein for cell survival during organ growth in Drosophila.
Article in Cell death & disease, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Translationally Controlled Tumor Protein (TCTP) and Growth Regulation in the Drosophila Model.Advances in experimental medicine and biology · 2025Article
- Tctp, a unique Ing5-binding partner, inhibits the chromatin binding of Enok inProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Genome-Wide CRISPR Screens Reveal ZATT as a Synthetic Lethal Target of TOP2-Poison Etoposide That Can Act in a TDP2-Independent Pathway.International journal of molecular sciences · 2023Article
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
Abstract
Regulation of cell survival is critical for organ development. Translationally controlled tumor protein (TCTP) is a conserved protein family implicated in the control of cell survival during normal development and tumorigenesis. Previously, we have identified a human Topoisomerase II (TOP2) as a TCTP partner, but its role in vivo has been unknown. To determine the significance of this interaction, we examined their roles in developing Drosophila organs. Top2 RNAi in the wing disc leads to tissue reduction and caspase activation, indicating the essential role of Top2 for cell survival. Top2 RNAi in the eye disc also causes loss of eye and head tissues. Tctp RNAi enhances the phenotypes of Top2 RNAi. The depletion of Tctp reduces Top2 levels in the wing disc and vice versa. Wing size is reduced by Top2 overexpression, implying that proper regulation of Top2 level is important for normal organ development. The wing phenotype of Tctp RNAi is partially suppressed by Top2 overexpression. This study suggests that mutual regulation of Tctp and Top2 protein levels is critical for cell survival during organ development.
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