Delayed clearance of fetal lung liquid and sodium transport—genetic predisposition not evident yet

M Hallman - Acta Paediatrica, 2005 - Wiley Online Library
Abstract The epithelial Na+ channel (ENaC) contributes to the clearance of fetal lung liquid.
In premature infants, low ENaC activity and low expression level of α‐ENaC have been …

Immature epithelial Na+ channel expression is one of the pathogenetic mechanisms leading to human neonatal respiratory distress syndrome.

HM O'Brodovich - Proceedings of the Association of American …, 1996 - europepmc.org
Noninfective acute respiratory disease develops in approximately 1% of all newborn infants
and results in their admission to a critical care unit. Transient tachypnea of the newborn …

Low expression of human epithelial sodium channel in airway epithelium of preterm infants with respiratory distress

O Helve, OM Pitkanen, S Andersson… - …, 2004 - publications.aap.org
Objective. Active ion transport is critical to postnatal clearance of lung fluid. The importance
of epithelial sodium channel (ENaC) in this clearance has been demonstrated in animal …

Epithelial Na+ Channel (ENaC) Expression in the Developing Normal and Abnormal Human Perinatal Lung

DE Smith, G Otulakowski, H Yeger, M Post… - American journal of …, 2000 - atsjournals.org
Impaired lung epithelial Na+ channel (ENaC) activity at the time of birth results in respiratory
distress. To investigate potential mechanisms, the ontogeny and cellular distribution of the α …

Pulmonary fluid balance in the human newborn infant

O Helve, O Pitkänen, C Janér, S Andersson - Neonatology, 2009 - karger.com
At birth, the infant's lungs must be cleared of fetal lung fluid. This process is mediated
through the activation of airway epithelial sodium channels (ENaC). In animals, ENaC is …

Clinical implication of lung fluid balance in the perinatal period

C Katz, L Bentur, N Elias - Journal of Perinatology, 2011 - nature.com
At birth, lung fluid produced during fetal life must be cleared immediately and efficiently
before the first breath takes place, in order for infants to achieve a normal and successful …

Unimpaired postnatal respiratory adaptation in a preterm human infant with a homozygous ENaC-α unit loss-of-function mutation

S Huppmann, E Lankes, D Schnabel… - Journal of Perinatology, 2011 - nature.com
The amiloride-sensitive epithelial sodium channel, ENaC, is thought to have a major role in
clearing fluid from the alveoli immediately after birth. ENaC-α knockout mice die soon after …

Duration of gestation and mode of delivery affect the genes of transepithelial sodium transport in pulmonary adaptation

C Janér, OM Pitkänen, L Süvari, U Turpeinen… - Neonatology, 2014 - karger.com
Background: Respiratory distress due to inadequate lung liquid clearance is a significant
problem in infants delivered late preterm or early term, especially by elective cesarean …

Expression of airway epithelial sodium channel in the preterm infant is related to respiratory distress syndrome but unaffected by repeat antenatal β-methasone

C Janér, O Helve, OM Pitkänen, MA Kari… - Neonatology, 2010 - karger.com
Background: The airway epithelial sodium channel (ENaC) is rate limiting for postnatal
alveolar fluid clearance. Increased lung water content is a feature of respiratory distress …

Postnatal gene expression of airway epithelial sodium transporters associated with birth stress in humans

L Süvari, C Janer, O Helve, A Kaskinen… - Pediatric …, 2019 - Wiley Online Library
Introduction Lung fluid clearance is essential for successful postnatal pulmonary adaptation.
The epithelial sodium channel (ENaC) and Na‐K‐ATPase, induced by serum‐and …