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Accumulation of 6-ketoprostaglandin F1 alpha and thromboxane B2, the stable metabolites of prostacyclin I2 and thromboxane A2 respectively, by cultured rectal mucosa obtained from patients with active ulcerative colitis was significantly higher than their respective accumulation by cultured biopsy specimens obtained from normal subjects. Accumulation of(More)
Killer cell immunoglobulin-like receptors (KIRs), via interaction with their cognate HLA class I ligands, play a crucial role in the development and activity of natural killer cells. Following recent reports of KIR gene associations in childhood acute lymphoblastic leukemia (ALL), we present a more in-depth investigation of KIR genes and their cognate HLA(More)
Cultured duodenal mucosa obtained from normal subjects synthesized and secreted significantly less prostaglandin E2 (PGE2), 6-keto-PGF1 alpha, and thromboxane B2 (TXB2) than cultured gastric mucosa obtained from the same subjects. Accumulation of PGE2, 6-keto-PGF1 alpha, and TXB2--the stable metabolites of prostacyclin I2 and thromboxane A2,(More)
1. The purpose of this study was to examine the possibility that the cellular action of amiodarone is mediated by inhibition of thyroid hormone regulatory functions within the myocardial cell. We measured the rate of cell beating and the activity of Na-K-ATPase in cultured neonatal rat heart myocytes. 2. Amiodarone (0.25 and 1 microgram/ml) reduced beating(More)