نتایج جستجو برای: ovine dicrocoeliasis
تعداد نتایج: 8009 فیلتر نتایج به سال:
Protein misfolding, protein aggregation and disruption to cellular proteostasis are key processes in the propagation of disease and, in some progressive neurodegenerative diseases of the central nervous system, the misfolded protein can act as a self-replicating template or prion converting its normal isoform into a misfolded copy of itself. We have investigated the sheep transmissible spongifo...
Passive immunotherapies utilising polyclonal antibodies could have a valuable role in preventing and treating infectious diseases such as influenza, particularly in pandemic situations but also in immunocompromised populations such as the elderly, the chronically immunosuppressed, pregnant women, infants and those with chronic diseases. The aim of this study was to optimise current methods used...
Sheep airway mucus can potently scavenge hydrogen peroxide, an important mediator of airway inflammation. Here, the scavenging activity was identified as a peroxidase produced by goblet cells of the airway epithelium and secreted into the airway lumen. Ovine airway peroxidase activity was purified approximately 100-fold from airway lavage fluid in two steps, using cation exchange and lectin aff...
Lambing performance of sheep is the most important economic trait and is regarded as a critic factoring affecting the productivity in sheep industry. Ovary plays the most roles in lambing trait. To establish the optimum two-dimensional electrophoresis system (2-DE) of ovine ovarian tissue, the common protein extraction methods of animal tissue (trichloroacetic acid/acetone precipitation and dir...
Interferon-tau (IFNtau) is produced by the trophectoderm of ruminant ungulates and its gene transactivation in vitro has so far been achieved only in human choriocarcinoma cells, JAR and JEG3. To examine if ovine IFNtau gene transactivation could be induced in cells other than JAR or JEG3 cells and its activation could be aided by the expression of a protooncogene(s), a transient transfection s...
Forty-two ovine pestivirus isolates, collected over a period of 18 years, were compared by phylogenetic analysis. The viruses were mostly field isolates from Britain; two others originated from Sweden and two from New Zealand. RT-PCR products were obtained from two genomic regions, one within the 5'-noncoding (5'-NC) region, and the other encompassing parts of the p20 (Npro) and C coding region...
Rotavirus has been recognized as a predominant cause of acute diarrhea in young animals and humans. Rotavirus has segmented genome composed of 11 segments of double stranded RNA. The virus has a triple layered protein shell consisting of a core, an inner capsid and an outer capsid. The inner capsid protein is responsible for group specificity and based on it rotaviruses are classified into seve...
We examined the effects of enclomiphene and zuclomiphene, alone and in combination with oestradiol, on basal and gonadotrophin-stimulated progesterone secretion by isolated subpopulations of both large (granulosa-lutein) and small (theca-lutein) ovine luteal cells. Isolated large and small luteal cells derived from intact, enucleated ovine corpora lutea were incubated for 48-120 h with or witho...
The effects of endogenous and synthetic glucocorticoids on fetal lung maturation are well-established, although the role of leptin in lung development before birth is unclear. This study examined mRNA and protein levels of the signalling long-form leptin receptor (Ob-Rb) in fetal ovine lungs towards term, and after experimental manipulation of glucocorticoid levels in utero by fetal cortisol in...
The ovine CD4 cDNA sequence from four sheep sources (Australian Merino, Indonesian Thin Tail, Canadian cross bred, Prealpes du sud) predicts a protein of 455 residues with position 130 in the V2 domain exhibiting a W instead of C suggesting that, like the white whale, dog and cat sequences, sheep CD4 contains only two disulphide bonds. The sequence shows 73% amino acid identity and 83% nucleoti...
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