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BACKGROUND/PURPOSE Cellular differentiation of pulmonary hyperplasia has not been reported in human cases. The authors studied surfactant protein expression and ultrastructure of pulmonary epithelial cells in fetal hyperplastic lungs associated with congenital tracheal agenesis. METHODS The maturation of pulmonary epithelial cells was assessed by… (More)
Pulmonary function was assessed in newborn wild-type and homozygous and heterozygous surfactant protein B (SP-B)-deficient mice after birth. SP-B +/+ and SP-B+/- mice became well oxygenated and survived postnatally. Although lung compliance was decreased slightly in the SP-B+/- mice, lung volumes and compliances were decreased markedly in homozygous SP-B-/-… (More)
The short duration of expression of the transgenes is a major barrier to the clinical application of adenovirus-mediated gene therapy for hepatic enzyme deficiencies. Previous reports show that Fas-mediated apoptosis has a pivotal role in the rapid elimination of adenovirus-infected hepatocytes. After considering this result and our recent observation that… (More)
Surfactant protein B (SP-B) is a 79-amino acid hydrophobic surfactant protein that plays a critical role in postnatal lung function. Homozygous SP-B (-/-)-deficient mice die of respiratory failure at birth, associated with severe pulmonary dysfunction and atelectasis. Heterozygous SP-B (+/-)-deficient mice have 50% less SP-B protein, proprotein, and SP-B… (More)
Surfactant protein-B (SP-B) is a small, hydrophobic peptide that plays a critical role in pulmonary function and surfactant homeostasis. To determine whether SP-B protects mice from oxygen-induced injury, heterozygous SP-B(+/-) gene-targeted mice and wild-type SP-B(+/+) littermates were exposed to hyperoxia (95% oxygen for 3 d) or room air. Although… (More)
UNLABELLED All previously reported cases of anterior, diaphragmatic hernia with massive pericardial effusion were treated by pericardiocentesis and radical surgery during the early neonatal period. However, we initially followed the course of our patient in the neonatal period. Subsequently, elective surgery was performed at 70 days of age. Including our… (More)
Bacillus cereus (B. cereus) meningitis sometimes occurs in patients with risk factors, which are associated with central nervous system (CNS) anomalies, surgical or anaesthetic access to CNS. We observed two cases of B. cereus meningitis in neonates without such risk factors. The clinical courses of both neonates were fulminant, and routine antibiotic… (More)
We describe a Japanese male infant with mucopoly-saccharidosis type VII (MPS VII) who was born at 32 weeks of gestation presenting as a non-immune hydrops fetalis. His birth weight was 2900 g (+4.1 SD), his birth length was 48 cm (+2.2 SD), and thoracic spine length was 9.5 cm (+2.7 SD) at birth. Ossification center was already discernible bilaterally in… (More)
Ultrapremature babies accompanied by intrauterine growth retardation may require supplemental calcium and phosphorus far above the recommended doses.
The simultaneous occurrence of germ cell tumors and stromal tumor in the unilateral testis is extremely rare. We report a case of Leydig cell tumor and combined germ cell tumor in the right testis on a 24-year-old man. Histopathology revealed seminoma, embryonal carcinoma, choriocarcinoma and Leydig cell tumor.