Cited by 156Pregnancy and preeclampsia studiesBirth, Development, and HealthPI3K/AKT/mTOR signaling in cancer

Placental mTOR links maternal nutrient availability to fetal growth

Roos, Sara, Powell, Theresa L., Jansson, Thomas·2009·Biochemical Society Transactions

Abstract

The mTOR (mammalian target of rapamycin) signalling pathway functions as a nutrient sensor, both in individual cells and, more globally, in organs such as the fat body in Drosophila and the hypothalamus in the rat. The activity of placental amino acid transporters is decreased in IUGR (intrauterine growth restriction), and recent experimental evidence suggests that these changes contribute directly to the restricted fetal growth. We have shown that mTOR regulates the activity of the placental L-type amino acid transporter system and that placental mTOR activity is decreased in IUGR. The present review summarizes the emerging evidence implicating placental mTOR signalling as a key mechanism linking maternal nutrient and growth factor concentrations to amino acid transport in the human placenta. Since fetal growth is critically dependent on placental nutrient transport, placental mTOR signalling plays an important role in the regulation of fetal growth.

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Crossref · 10.1042/bst0370295

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Authors
Roos, S., Powell, T. L., & Jansson, T.
Affiliations
  • University of Gothenburg (SE)
  • University of Cincinnati (US)
Corresponding author
  • Roos, Sara
  • Jansson, Thomas
Venue
Biochemical Society Transactions
Published
2009-01-20
Volume
37
Issue
1
Pages
295-298
ISSN
  • 0300-5127 (ISSN-L)
  • 1470-8752
OpenAlex
W2084625697
Cited by
156
References
49
Citations by year
2026: 2 · 2025: 4 · 2024: 4 · 2023: 8 · 2022: 6 · 2021: 21 · 2020: 7 · 2019: 8 · 2018: 6 · 2017: 12 · 2016: 9 · 2015: 15 · 2014: 7 · 2013: 12 · 2012: 14
FWCI
1.84
Type
journal article
Language
en
Open access
closed
Locations
  • Biochemical Society Transactions (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
Keywords
mTOR signaling, placenta, fetal growth restriction, fetal growth, amino acid transport, L-type amino acid transporter, placental nutrient transport, maternal-fetal nutrient exchange
MeSH terms
Animals, Female, Food, Humans, Maternal-Fetal Exchange, Placenta, Pregnancy, Protein Kinases, Signal Transduction, Fetal Development, TOR Serine-Threonine Kinases

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