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Published in: Molecular and Cellular Pediatrics 1/2020

01-12-2020 | Paracetamol | Research

Modulation of CYP2E1 metabolic activity in a cohort of confirmed caffeine ingesting pregnant women with preterm offspring

Authors: M. R. Alcorta-García, C. N. López-Villaseñor, G. Sánchez-Ferrer, H. Flores-Mendoza, F. Castorena-Torres, M. A. Aguilar-Torres, C. M. Sepúlveda-Treviño, J. A. Hernández-Hernández, R. C. López-Sánchez, V. J. Lara-Díaz

Published in: Molecular and Cellular Pediatrics | Issue 1/2020

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Abstract

Background

To ascertain interactions of caffeine ingestion, food, medications, and environmental exposures during preterm human gestation, under informed consent, we studied a cohort of Mexican women with further preterm offspring born at ≤ 34 completed weeks. At birth, blood samples were taken from mothers and umbilical cords to determine caffeine and metabolites concentrations and CYP1A2 (rs762551) and CYP2E1 (rs2031920, rs3813867) polymorphisms involved in caffeine metabolism.

Results

In 90 pregnant women who gave birth to 98 preterm neonates, self-informed caffeine ingestion rate was 97%, laboratory confirmed rate was 93 %. Theobromine was the predominant metabolite found. Consumption of acetaminophen correlated significantly with changes in caffeine metabolism (acetaminophen R2 = 0.637, p = 0.01) due to activation of CYP2E1 alternate pathways. The main caffeine source was cola soft drinks.

Conclusion

Environmental exposures, especially acetaminophen ingestion during human preterm pregnancy, can modulate CYP2E1 metabolic activity.
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Metadata
Title
Modulation of CYP2E1 metabolic activity in a cohort of confirmed caffeine ingesting pregnant women with preterm offspring
Authors
M. R. Alcorta-García
C. N. López-Villaseñor
G. Sánchez-Ferrer
H. Flores-Mendoza
F. Castorena-Torres
M. A. Aguilar-Torres
C. M. Sepúlveda-Treviño
J. A. Hernández-Hernández
R. C. López-Sánchez
V. J. Lara-Díaz
Publication date
01-12-2020
Publisher
Springer Berlin Heidelberg
Keyword
Paracetamol
Published in
Molecular and Cellular Pediatrics / Issue 1/2020
Electronic ISSN: 2194-7791
DOI
https://doi.org/10.1186/s40348-020-00096-3

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