Title : α-Tocopherol transfer protein mediates protective hypercapnia in murine ventilator-induced lung injury.

Pub. Date : 2017 Jun

PMID : 28159772






4 Functional Relationships(s)
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1 METHODS AND RESULTS: Using genome-wide gene expression analysis in a mouse model of ventilator-induced lung injury, we discovered a previously unsuspected mechanism by which CO2 can protect against injury: induction of the transporter protein for alpha-tocopherol, alpha-tocopherol transfer protein (alphaTTP). N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)-4-((4-fluorobenzyl)oxy)pyridine-2,6-dicarboxamide tocopherol (alpha) transfer protein Mus musculus
2 Pulmonary alphaTTP was induced by inspired CO2 in two in vivo murine models of ventilator-induced lung injury; the level of alphaTTP expression correlated with degree of lung protection; and, absence of the alphaTTP gene significantly reduced the protective effects of CO2. N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)-4-((4-fluorobenzyl)oxy)pyridine-2,6-dicarboxamide tocopherol (alpha) transfer protein Mus musculus
3 Pulmonary alphaTTP was induced by inspired CO2 in two in vivo murine models of ventilator-induced lung injury; the level of alphaTTP expression correlated with degree of lung protection; and, absence of the alphaTTP gene significantly reduced the protective effects of CO2. N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)-4-((4-fluorobenzyl)oxy)pyridine-2,6-dicarboxamide tocopherol (alpha) transfer protein Mus musculus
4 CONCLUSIONS: Inspired CO2 upregulates alphaTTP which increases lung alpha-tocopherol levels and inhibits synthesis of a pathogenic chemoattractant. N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)-4-((4-fluorobenzyl)oxy)pyridine-2,6-dicarboxamide tocopherol (alpha) transfer protein Mus musculus