Now showing items 21-30 of 44
Activation of human T cell clones through the UM4D4/CDw60 surface antigen
(Elsevier, 1990-07)
UM4D4 is a recently defined antigen that is expressed on ~25% of peripheral blood T cells, but on the majority of T cells in inflammatory synovial fluid. Anti-UM4D4 activates peripheral blood T cells in the presence of ...
Expression of erbA[alpha] and [beta] mRNAs in regions of adult rat brain
(Elsevier, 1990-03-26)
The proto-oncogenes erbAa and erbA[beta] together encode three functional thyroid hormone receptors (erbAol, [beta]1, and [beta]2), as well as two proteins (erbA[sigma] 2 and [alpha]3) that do not bind T3. The erbA[alpha]2 ...
The effects of pentoxifylline on lipopolysaccharide (LPS) fever, plasma interleukin 6 (IL 6), and tumor necrosis factor (TNF) in the rat
(Elsevier, 1990-07)
The purpose of these studies was to test whether pentoxifylline, a drug that can inhibit the production and action of cytokines hypothesized to be endogenous pyrogens (for example, interleukin 1 and tumor necrosis factor ...
In Vitro release of hypothalamic [beta]-endorphin [beta]E by arginine vasopressin, corticotropin-releasing hormone and 5-hydroxytryptamine: Evidence for release of opioid active and inactive [beta]E forms
(Elsevier, 1990-05)
The aims of the present experiments were: 1) to test whether substances which modulate beta-endorphin-immunoreactive [beta]E-ir release from the pituitary gland might act similarly in hypothalamic tissue; and 2) to further ...
Identification of a sheath-associated protein involved in phosphate transport in Sphaerotilus natans
(Springer-Verlag, 1990-11)
Sphaerotilus natans was shown to have a fourfold lower K′ m of phosphate transport when grown in medium containing 0.1 m m phosphate, compared to cells grown in 10.0 m m phosphate. Analysis of sheath proteins from cells ...
Glucosylceramide synthase of mouse kidney: Further characterization with an improved assay method
(Elsevier, 1990-12)
The synthesis of glucosylceramide from ceramide and UDP-[3H]glucose by mouse kidney homogenates is very sensitive to the concentration of tissue. This was shown to be due to the presence of a UDP-glc pyrophosphatase, which ...
Esterification reactions of lipase in reverse micelles
(Wiley Subscription Services, Inc., A Wiley Company, 1990-04-05)
The activities of lipase from Candida cylindracea and Rhizopus delemar have been investigated in water/AOT/iso-octane reverse micellar media through the use of two esterification reactions: fatty acid-alcohol esterification ...
Lipoxygenase-generated icosanoids inhibit glucose-induced insulin release from rat islets
(Elsevier, 1990-05)
Lipoxygenase-pathway metabolites of arachidonic acid are produced in pancreatic islets. They are are implicated in insulin release, since nonselective inhibitors of lipoxygenases inhibit glucose-induced insulin release. ...
Charge-coupled device imaging of rapid calcium transients in cultured arterial smooth muscle cells
(Elsevier, 1990)
Transient changes in the concentration of intracellular free calcium are associated with the transduction of primary signals and the subsequent employment of Ca2+ as a second messenger in a multitude of cell types. These ...
The aggregation and dissociation properties of a low molecular weight mannose 6-phosphate receptor from bovine testis
(Elsevier, 1990-11-15)
The aggregation state of low molecular weight mannose 6-phosphate receptor from bovine testis was determined in membrane preparations and in purified soluble preparations. The effect of aggregation on binding of the receptor ...