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In Caenorhabditis elegans, the basolateral localization of the Let-23 growth factor receptor tyrosine kinase requires the expression of three genes: lin-2, lin-7, and lin-10. Mammalian homologs of these three genes have been identified, and a complex of their protein products exists in mammalian neurons. In this paper, we examine the interaction of these(More)
Soluble type II interleukin 1 receptor (IL-1r II) and interleukin 1 receptor antagonist (IL-1ra) regulate inflammation by competitively inhibiting the binding of IL-1 beta to the signalling IL-1 receptor. In addition, glucocorticoids also regulate IL-1 beta by suppressing gene transcription. More recently, glucocorticoids have been shown to increase soluble(More)
The processing and release of 31-kDa proIL-1 beta to the mature 17-kDa form of IL-1 beta are still poorly understood. To help elucidate the mechanisms involved in IL-1 beta processing and release, we measured IL-1 beta forms released from endotoxin-stimulated monocytes by immunoprecipitation of [35S]methionine-labeled protein, by Western blots, and by our(More)
Tissue macrophages readily produce intracellular pro-IL-1beta in response to stimuli such as LPS, but are limited in mature IL-1beta release compared with blood monocytes. The mechanism of this IL-1beta control may provide important insights into the physiology of IL-1beta at the tissue level. Since it has been hypothesized that IL-1beta processing by the(More)
As a simulation of the etiological factors known for Itai-Itai disease, a syndrome characterized by osteomalacia and renal dysfunction in its Japanese victims, female mice were subjected to the individual and combined stresses of dietary cadmium, nutrient-deficient diet, multiparity and ovariectomy; the calcium-depleting effect of each factor was evaluated(More)
Grb7, a signaling protein whose physiological function is unknown, binds receptor tyrosine kinases important for normal kidney development. By investigating and correlating Grb7 gene expression with that reported for Grb7-binding receptors, we provide clues to Grb7 function(s). RT-PCR and immunoblot were used to demonstrate Grb7 gene and protein expression(More)
The MSLN gene products, soluble mesothelin and megakaryocyte potentiating factor (MPF), are being investigated as biomarkers for the asbestos-related cancer malignant mesothelioma (MM). Pleural fluid biomarkers of MM can be elevated when serum levels remain normal. The aim of this study was to determine if this was true for MPF and to compare levels of(More)
The biomarker mesothelin is a useful diagnostic tool in malignant mesothelioma (MM) patients. It has high specificity but a sensitivity of only 50%. As mesothelin binds CA125, and as CA125 is often elevated in MM, we asked whether this binding affected measurable mesothelin levels in a relevant clinical setting. Mesothelin and CA125 concentrations were(More)
Five new asterriquinone analogs (2-4, 6, 7), together with previously identified neoasterriquinone (1) and isoasterriquinone (5), were isolated from a fermentation broth of the fungus Aspergillus candidus and purified by HSCCC (high speed counter current chromatography) followed by HPLC. The structures were determined by 1D and 2D NMR and MS/MS techniques.(More)
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