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Retinoid-Induced Modulation of Immunoglobulin M Secretion, by Bovine Mononuclear Leukocytes In Vitro
retinol retinoic acid immunoglobulin bovine lymphocytes
2009/1/22
Effects of trans and cis isomers of retinol and retinoic acid on IgM secretion by bovine peripheral blood mononuclear leukocytes were evaluated in vitro. Mononuclear leukocyte cultures that were unsti...
Short Communication: Seasonal Effects on Development of Bovine Embryos Produced by In Vitro Fertilization in a Hot Environment
in vitro fertilization heat stress seasonality
2008/8/4
The objective of this study was to determine if season affected the production of in vitro-derived bovine embryos from oocytes of cattle in a subtropical environment. Ovaries 75% beef cattle, includin...
Staphylococcus aureus Invasion of Bovine Mammary Epithelial Cells
invasion mastitis bovine Staphylococcus aureus
2008/7/31
Staphylococcus aureus is a frequent cause of mastitis in dairy cows. However, pathogenesis of the infection has not been completely defined. We report the invasion of two strains of S. aureus into a b...
Subcloning the MAC-T Bovine Mammary Epithelial Cell Line: Morphology, Growth Properties, and Cytogenetic Analysis of Clonal Cells
mammary epithelial cells MAC-T cells subcloning
2008/7/30
The objectives of the present study were 1) to determine the heterogeneity of the MAC-T cell line; 2) to examine whether homogeneous clones could be derived from MAC-T cells; and 3) to examine cell mo...
The Effect of Bovine Somatotropin and Diet on Somatotropin Binding Sites in Hepatic Tissue of Lactating Dairy Cows
binding sites dairy cows liver somatotropin
2008/7/23
In the lactating cow, galactopoiesis is stimulated by treatment with recombinant bovine somatotropin (bST) and by an improved plane of nutrition. The present study determined the interaction between t...
The Effect of Recombinant Bovine Placental Lactogen on Induced Lactation in Dairy Heifers
bovine placental lactogen prolactin induced lactation mammogenesis
2008/7/17
The primary objective of this study was to determine whether bovine placental lactogen stimulated additional mammary growth as assessed by milk yield from a lactation induced by steroids. Pubertal, no...
The Empirical Impact of Bovine Somatotropin on New York Dairy Farms
bovine somatotropin dairy farm economics dairy management
2008/7/14
Data from 259 farms that participated in the Cornell University Dairy Farm Business Summary Project were used to measure the impact of bovine somatotropin (bST) on milk production and profitability pe...
Treatment with Recombinant Bovine Interferon- In Utero Attenuates Secretion of Prostaglandin F from Cultured Endometrial Epithelial Cells
interferon oxytocin receptors prostaglandin F uterus
2008/6/30
Endometrial oxytocin receptors and total production of PGF by endometrial epithelial cells were measured in 10 cyclic cows after intrauterine injections of recombinant bovine interferon- plus BSA or B...
Two-Dimensional Electrophoretic Analysis of Proteins of Bovine Mammary Gland Secretions Collected During the Dry Period
mammary gland dry period milk proteins lactoferrin
2008/6/30
Proteins in mammary gland secretions, collected from Holstein cows during the dry period, were analyzed by preparative isoelectric focusing, followed by SDS-PAGE. Protein profiles changed throughout t...
Use of Bovine Primary Mammary Epithelial Cells for the Comparison of Adherence and Invasion Ability of Staphylococcus aureus Strains
Staphylococcus aureus adherence invasion epithelium
2008/6/27
Adherence and invasion of epithelial cells are thought to play a role in the pathogenesis of Staphylococcus aureus mastitis. A cell culture model with primary mammary epithelial cells originating from...
Use of Bovine Somatotropin in Lactating Dairy Cows Receiving Timed Artificial Insemination
timed artificial insemination bovine somatotropin lactating cows
2008/6/27
Objectives of the research were to examine the effect of bovine somatotropin (bST) on pregnancy rates to a timed artificial insemination protocol and to test a re-synchronization system with two conse...
Viscoelastic Properties of Oil-Water Interfaces Covered by Bovine ß-Casein Tryptic Peptides
oil-in-water emulsion casein hydrolysis bovine milk viscoelasticity
2008/6/17
A combination of proteolysis and dilational rheology has been used to study the behavior of films of ß-casein (ß-CN) and of peptides spread at the oil-water interface. Identification of th...
Presence of a Glycan at a Potential N-Glycosylation Site, Asn-281, of Bovine Lactoferrin
lactoferrin bovine milk N-glycosylation site glycan
2008/4/1
This work was performed to clarify the differences in glycan moieties between multiple molecular mass forms of bovine lactoferrins (bovine lactoferrins-a and -b). After digestion of both bovine lactof...
Short Communication: Lack of Stage-Specific Embryonic Antigen-1 Expression by Bovine Embryos and Primordial Germ Cells
stage-specific embryonic antigen-1 embryos primordial germ cells bovine
2008/3/31
The objective of this study was to determine whether stage-specific embryonic antigen-1, a cellular marker commonly used to identify murine undifferentiated embryonic cells, is also a useful marker fo...
Isolation of Adipophilin and Butyrophilin from Bovine Milk and Characterization of a cDNA Encoding Adipophilin
adipophilin adipocyte differentiation-related protein butyrophilin
2008/3/31
The milk fat globule membrane-associated proteins adipophilin (alias adipocyte differentiation-related protein) and butyrophilin were purified from bovine milk by reverse-phase chromatography. The nuc...