The exposure to uteroplacental insufficiency is associated with activation of unfolded protein response in postnatal life

Annalisa Deodati, Josepmaría Argemí, Daniela Germani, Antonella Puglianiello, Anna Alisi, Cristiano De Stefanis, Roberto Ferrero, Valerio Nobili, Tomás Aragón, Stefano Cianfarani

Research output: Contribution to journalArticle

Abstract

Early life events are associated with the susceptibility to chronic diseases in adult life. Perturbations of endoplasmic reticulum (ER) homeostasis activate the unfolded protein response (UPR), which contributes to the development of metabolic alterations. Our aim was to evaluate liver UPR in an animal model of intrauterine growth restriction (IUGR). A significantly increased expression of X-box binding protein-1 spliced (XBP1s) mRNA (p<0.01), Endoplasmic Reticulum-localized DnaJ homologue (Erdj4) mRNA (p<0.05) and Bip/GRP78-glucose-regulated protein 78 (Bip) mRNA (p<0.05) was observed in the liver of IUGR rats at birth. Furthermore, the expression of gluconeogenesis genes and lipogenesis genes were significantly upregulated (p<0.05) in IUGR pups. At 105 d, IUGR male rats showed significantly reduced glucose tolerance (p<0.01). A significant decreased expression of XBP1s mRNA (p<0.01) and increased expression of double-stranded RNA-dependent protein kinase-like ER kinase (PERK) and Asparagine synthetase (ASNS) (p<0.05) was observed in the liver of IUGR male adult rats. Liver focal steatosis and periportal fibrosis were observed in IUGR rats. These findings show for the first time that fetal exposure to uteroplacental insufficiency is associated with the activation of hepatic UPR and suggest that UPR signaling may play a role in the metabolic risk.

Original languageEnglish
Pages (from-to)e0198490
JournalPLoS One
Volume13
Issue number6
DOIs
Publication statusPublished - 2018

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unfolded protein response
Unfolded Protein Response
Chemical activation
Liver
liver
Rats
endoplasmic reticulum
Growth
Endoplasmic Reticulum
rats
Messenger RNA
Proteins
binding proteins
aspartate-ammonia ligase
Carrier Proteins
Aspartate-Ammonia Ligase
life events
Genes
gluconeogenesis
eIF-2 Kinase

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The exposure to uteroplacental insufficiency is associated with activation of unfolded protein response in postnatal life. / Deodati, Annalisa; Argemí, Josepmaría; Germani, Daniela; Puglianiello, Antonella; Alisi, Anna; De Stefanis, Cristiano; Ferrero, Roberto; Nobili, Valerio; Aragón, Tomás; Cianfarani, Stefano.

In: PLoS One, Vol. 13, No. 6, 2018, p. e0198490.

Research output: Contribution to journalArticle

Deodati, Annalisa ; Argemí, Josepmaría ; Germani, Daniela ; Puglianiello, Antonella ; Alisi, Anna ; De Stefanis, Cristiano ; Ferrero, Roberto ; Nobili, Valerio ; Aragón, Tomás ; Cianfarani, Stefano. / The exposure to uteroplacental insufficiency is associated with activation of unfolded protein response in postnatal life. In: PLoS One. 2018 ; Vol. 13, No. 6. pp. e0198490.
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AU - Alisi, Anna

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