نتایج جستجو برای: pge2 سرمی
تعداد نتایج: 11548 فیلتر نتایج به سال:
NF-kappaB transcription factors regulate inflammatory responses to cytokines such as IL-1beta and TNF-alpha. We tested whether PGE2 regulated nuclear localization of individual NF-kappaB subunits, p65 and p50, in synovial fibroblasts harvested from patients with rheumatoid arthritis (RA). IL-1beta/TNF-alpha stimulated the translocation of p65 and p50 from the cytosol to the nucleus of human RA ...
Both glucocorticoids and alveolar fluid distension affect the rate of fetal lung maturation, possibly representing a common cellular pathway. In an explant culture, there is a spontaneous increase in triglyceride incorporation into saturated phosphatidylcholine over time. This mechanism is stimulated by prostaglandin (PG) E2, blocked by both bumetanide and indomethacin, and overridden by exogen...
Prostaglandin E2 (PGE2) blocks mast-cell (MC)-dependent allergic responses in humans but activates MCs in vitro. We assessed the functions of the EP receptors for PGE2 on cultured human MCs (hMCs). hMCs expressed the EP3, EP2, and EP4 receptors. PGE2 stimulated the accumulation of cyclic adenosine monophosphate (cAMP), and suppressed both Fc epsilonRI-mediated eicosanoid production and tumor ne...
Rikko-san (RKS) and its ingredients were investigated for their activity to stimulate prostaglandin E2 (PGE2) production by unstimulated and lipopolysaccharide (LPS)-stimulated mouse macrophage-like Raw 264.7 cells. LPS significantly stimulated the production and extracellular secretion of PGE2 by Raw 264.7 cells. RKS dose-dependently modified the LPS-stimulated PGE2 production. A lower concent...
PGE2 produced in the periphery triggers the early phase of the febrile response to infection and may contribute to later phases. It can be hypothesized that peripherally synthesized PGE2 transmits febrigenic signals to the brain via vagal afferent nerves. Before testing this hypothesis, we investigated whether the febrigenic effect of intravenously administered PGE2 is mediated by the brain and...
In Swiss 3T3 fibroblasts bradykinin stimulated inositol phosphate (InsP) formation and prostaglandin E2 (PGE2) synthesis. The EC50 values for stimulation of PGE2 synthesis and InsP formation by bradykinin were similar, 200 pM and 275 pM, respectively. Guanosine-5'-[gamma-thio]triphosphate stimulated PGE2 synthesis and InsP formation, and guanosine-5'-[beta-thio]diphosphate inhibited both PGE2 s...
Prostaglandins, particularly prostaglandin E2 (PGE2), play an important role during inflammation. This is exemplified by the clinical use of cyclooxygenase 2 inhibitors, which interfere with PGE2 synthesis, as effective antiinflammatory drugs. Here, we show that PGE2 directly promotes differentiation and proinflammatory functions of human and murine IL-17-producing T helper (Th17) cells. In hum...
In a prospective study a single dose PGE2 gel 0.5 mg was given in 97 Low Bishop Score subjects, 12 hrs prior to indicated oxytocin or PGE2 tab induction for cervical ripening. Analysis of 97 subjects shows that it is very highly effective. 56 primi and 21 multi delivered spontaneously with gel administration only while 4 primi and 2 multi delivered vaginally following oxytocin and 3 more cases ...
Sphingosine is a biologically active derivative of sphingomyelin. It affects diverse cellular functions and its mechanism(s) of action is poorly defined. Tumor necrosis factor alpha (TNF alpha) has recently been shown to rapidly induce sphingomyelin turnover, implicating this metabolic pathway in TNF alpha signal transduction. Because TNF alpha is known to induce prostaglandin E2 (PGE2) product...
The peripheral plasma content of the pulmonary metabolite, 13,14-dihydro-15-keto-prostaglandin E2, reflects prostaglandin E2 (PGE2) biosynthesis and disposition in vivo more reliably than the peripheral plasma content of PGE2 itself. However, the chemical instability of 13,14-dihydro-15-keto-PGE2 and the multiple fates of its degradation products hinder the development of quantitative assays fo...
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