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ATF4-dependent transcription mediates signaling of amino acid limitation

Open access
Kilberg, Michael S., Shan, Jixiu, Su, Nan·2009·Trends in Endocrinology & Metabolism

Abstract

Mammals respond to dietary nutrient fluctuations; for example, deficiency of dietary protein or an imbalance of essential amino acids activates an amino acid response (AAR) signal transduction pathway, consisting of detection of uncharged tRNA by GCN2 kinase, eIF2α phosphorylation, and ATF4 expression. In concert with heterodimerization partners, ATF4 activates specific genes via a C/EBP-ATF response element (CARE). This review outlines the ATF4-dependent transcriptional mechanisms associated with the AAR, focusing on progress during the last five years. Recent evidence suggests that maternal nutrient deprivation not only has immediate metabolic effects on the fetus, but also triggers gene expression changes in adulthood, possibly through epigenetic mechanisms. Therefore, understanding the transcriptional programs initiated by amino acid limitation is critical and timely.

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Metadata

Authors
Kilberg, M. S., Shan, J., & Su, N.
Venue
Trends in Endocrinology & Metabolism
Publisher
Elsevier BV
Published
2009-11
Volume
20
Issue
9
Pages
436-443
ISSN
1043-2760 (ISSN-L)
OpenAlex
W1980195461
Cited by
591
References
2
FWCI
1.26
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: ATF4-dependent transcription mediates signaling of amino acid limitation. https://app.cochat.ai/papers/10.1016/j.tem.2009.05.008
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Kilberg, M. S., Shan, J., & Su, N. (2009). ATF4-dependent transcription mediates signaling of amino acid limitation. Trends in Endocrinology & Metabolism. https://doi.org/10.1016/j.tem.2009.05.008

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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