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Article
Open AccessAn epistatic interaction between pre-natal smoke exposure and socioeconomic status has a significant impact on bronchodilator drug response in African American youth with asthma
Asthma is one of the leading chronic illnesses among children in the United States. Asthma prevalence is higher among African Americans (11.2%) compared to European Americans (7.7%). Bronchodilator medications...
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Article
Open AccessMetabolic stress induces a Wnt-dependent cancer stem cell-like state transition
Reciprocal interactions between cancer cells and the tumor microenvironment drive multiple clinically significant behaviors including dormancy, invasion, and metastasis as well as therapy resistance. These mic...
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Article
Extracts of the invasive shrub Lonicera maackii increase mortality and alter behavior of amphibian larvae
Water-soluble phytochemicals produced by invasive plants may represent novel elements of invaded ecosystems that can precipitate a variety of direct and indirect effects on native organisms. Phenolic compounds...
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Article
Advanced Treatment Technologies in the Remediation of Seleniferous Drainage Waters and Sediments
Bioaccumulation of selenium (Se) in wetlands and evaporation ponds has created serious hazards to fish and waterfowl in the western United States. Agricultural drainage water is the main source for Se contamin...
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Article
Functional capacities of marsupial hearts: size and mitochondrial parameters indicate higher aerobic capabilities than generally seen in placental mammals
This study of marsupial hearts explored the aerobic capacities of this group of mammals; recent information suggests that marsupials possess higher aerobic abilities than previously accepted. Characteristics s...
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Article
Growth retardation and neonatal lethality in mice with a homozygous deletion in the C-terminal domain of RNA polymerase II
The C-terminal domain (CTD) of the largest subunit of RNA polymerase II consists of tandem repeats of the consensus heptapeptide YSPTSPS. Deletion studies in tissue culture cells have indicated that the CTD p...
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Article
The effect of propylthiouracil on glutathione S-transferase activity of rat spleen in vitro and in vivo
Propylthiouracil (PTU) inhibited glutathione (GSH) S-transferase (EC 2.5.1.18) activity of rat spleens in a concentration dependent manner in vitro. PTU (1.5 mmoles/kg) treatment of rats for 1 or 2 weeks cause...
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Article
Effect of ethanol on taurine concentration in the brain
The taurine concentration in the brain was decreased in ethanol-dependent rats, but returned to normal soon after withdrawal of ethanol. It was not affected by acute ethanol administration.
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Article
Primary productivity and related data from tropical and subtropical marine sediments
Measurements in situ were made of oxygen exchange and 14C fixation in calcareous sediments off the coast of Florida, USA, and at various sites in the Caribbean Sea at depths to 60 m. Sediment samples were analyze...