نتایج جستجو برای: newborn animals
تعداد نتایج: 263471 فیلتر نتایج به سال:
backgroundresistin is reported as an antagonistic hormone of insulin and in the literature. nowadays, importance of resistin is being more highlighted in the metabolism of mother and fetus during pregnancy. this study aimed to assess the level of resistin in the umbilical cord and blood sugar at birth and evaluate the association of resistin and neonatal birth weight.materials and methodsthis c...
The Apgar score is widely used in maternity hospitals all over the world as best method for clinical evaluation of newborn right after delivery. importance both human medicine and veterinary developed by Virginia becomes unquestionable. In medicine, studies that have been carried out an effective aid identification risk neonates. this study, was to assess 12 calves their first 24 hours life. Of...
Neonatal mortality is very high in farm animals (approximately 10%) and disease resistance is greatly influenced by an adequate passive immunisation just after birth. In piglets, foals, calves and lambs, the intestinal absorption of immunoglobulins from their mother's colostrum occurs mainly by a non-specific endocytosis of macromolecules, but the details of the absorption process, and the mech...
TABLE 1. Circulating hormones ofthe gut which were not seen in animals deprived of enteral feeding. In addition, oral feeding has been demonstrated to enhance gut enzyme activity (jejunal lactase and acid phosphatase) in newborn piglets (Widdowson et al., 1976) and may initiate important changes in intermediary metabolism for example the increased responsiveness of'pancreatic p-cells to glucose...
The consequences of Calmette-Guérin bacillus (BCG) vaccination were followed in newborn and adult mice. BCG failed to multiply in the organs of adult mice when administered peritoneally. In contrast, extensive multiplication of the vaccine occurred in both splenic and pulmonary tissue after its peritoneal administration to newborn mice. This absence of tuberculostasis occurred during the period...
1. Infection of newborn C(3)Hf/Bi mice with both the highly oncogenic S variant and the poorly oncogenic M variant of polyoma virus caused significantly fewer tumors than infection with the S variant alone 2. Infection of newborn C(3)Hf/Bi mice at birth with either M or S variant caused resistance to infection with a heterologous agent, encephalomyocarditis virus, but the M variant caused a som...
The total tissue nucleic acids (DNA and RNA) have been isolated from normal and neoplastic mouse thymus glands and chromatographically fractionated. Significant differences in the chromatographic distribution of the nucleic acids from normal adult thymus and x-radiation-induced thymic lymphosarcoma were found. Chromatographic patterns intermediate between normal and tumor were found in the thym...
Strong reactive cell proliferation occurs in the vestibular nuclei after unilateral vestibular neurectomy (UVN). Most of the newborn cells survive, differentiate into glial cells and neurons with GABAergic phenotype, and have been reported to contribute to recovery of the posturo-locomotor functions in adult cats. Because the GABAergic system modulates vestibular function recovery and the diffe...
Intracerebral administration of ibotenate produces, through activation of N-methyl-D-aspartate (NMDA) receptors, neuronal heterotopias in the newborn hamster neocortex: high doses of ibotenate induce periventricular and subcortical neuronal heterotopias, while low doses of ibotenate produce intracortical heterotopias and molecular layer ectopias. Vasoactive intestinal peptide (VIP) and pituitar...
BACKGROUND We investigated the capacity of expanded cord blood-derived CD34+ hematopoietic progenitor cells to undergo respiratory epithelial differentiation ex vivo, and to engraft and attenuate alveolar disruption in injured newborn murine lungs in vivo. METHODS Respiratory epithelial differentiation was studied in CD34+ cells expanded in the presence of growth factors and cytokines ("basic...
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