ArticleCytotechnology2008
GATA4 inhibits expression of the tryptophan oxygenase gene by binding to the TATA box in fetal hepatocytes.
Article in Cytotechnology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- GATA binding protein 4: Emerging role in liver development and diseases.Molecular biology reports · 2026Review
- Cardiac expression of ms1/STARS, a novel gene involved in cardiac development and disease, is regulated by GATA4.Molecular and cellular biology · 2012Article
- Transcription factor GATA4 inhibits doxorubicin-induced autophagy and cardiomyocyte death.The Journal of biological chemistry · 2010Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The glucocorticoid receptor regulates liver-specific expression of the tryptophan oxygenase gene through glucocorticoid responsive elements located -0.45 and -1.2 kb from the transcription start site. However, the hormone-mediated induction is restricted to adult hepatocytes, and fetal hepatocytes are unable to express the gene even in the presence of the receptor and glucocorticoid hormone. The difference in sensitivity to the hormone between adult and fetal hepatocytes has not been well understood. In this study, we analyzed the structure of the tryptophan oxygenase gene's promoter. The promoter has two TATA boxes, and transcription starts from the downstream TATA box. We found that a transcription factor GATA4 bound to the downstream TATA box and may inhibit the binding of TATA-binding protein, resulting in transcriptional repression even in the presence of glucocorticoid in fetal hepatocytes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.