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Infectious diarrheal diseases and protein-energy malnutrition (PEM) are major causes of child morbidity and mortality worldwide. In the present study, PEM was superimposed on rotavirus infection in neonatal pigs to simulate chronic small intestinal stress in malnourished infants with viral gastroenteritis. Two-day-old cesarean-derived pigs (n = 39) were(More)
There are many potential applications of transgenic methodologies for developing new and improved strains of livestock. One practical application of transgenic technology in pig production is to improve milk production or composition. The first week after parturition is the period of greatest loss for pig producers, with highest morbidity and mortality(More)
The opportunities for utilizing swine biomedical models are immense, particularly in models that address lifestyle issues (nutrition, stress, alcohol, drugs of abuse, etc.). However, in order to fully capitalize upon the promise, there needs to be a more general recognition of these cofactors, such as nutrition, as key modulators of phenotype via genomic,(More)
Gut microbiota and the host exist in a mutualistic relationship, with the functional composition of the microbiota strongly affecting the health and well-being of the host. Thus, it is important to develop a synthetic approach to study the host transcriptome and the microbiome simultaneously. Early microbial colonization in infants is critically important(More)
The effect of orally administered IGF-I on intestinal development was assessed in piglets. Cesarean-derived, colostrum-deprived piglets received formula alone or formula containing 65 nM (500 microg/L) of recombinant human IGF-I. IGF-I intake averaged 200 microg/kg/d. On d 7 and 14 postpartum, piglets were killed, organs were removed and weighed, and tissue(More)
BACKGROUND Classical homocystinuria is an autosomal recessive disorder caused by cystathionine beta-synthase (CBS) deficiency and characterized by distinctive alterations of bone growth and skeletal development. Skeletal changes include a reduction in bone density, making it a potentially attractive model for the study of idiopathic osteoporosis. METHODS(More)
Isoflavones and their related flavonoid compounds exert antiviral properties in vitro and in vivo against a wide range of viruses. Genistein is, by far, the most studied soy isoflavone in this regard, and it has been shown to inhibit the infectivity of enveloped or nonenveloped viruses, as well as single-stranded or double-stranded RNA or DNA viruses. At(More)
Reduction of postnatal morbidity and mortality of mammalian neonates poses a significant challenge to agricultural and medical sciences. Because nutritional insufficiency and diarrhea represent major stressors, an understanding of factors mediating postnatal growth and development of the gastrointestinal tract is essential. This review explores the role(More)