نتایج جستجو برای: probability generating function pgf
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Prostaglandin F(2alpha) (PGF(2alpha)), represses ovarian steroidogenesis and initiates parturition in mammals but its impact on adrenal gland is unknown. Prostaglandins biosynthesis depends on the sequential action of upstream cyclooxygenases (COX) and terminal synthases but no PGF(2alpha) synthases (PGFS) were functionally identified in mammalian cells. In vitro, the most efficient mammalian P...
AIMS An increasing number of clinical studies highlight the importance of the inflammatory mediator prostaglandin F2 α (PGF(2α)). Prostaglandin F2 α activity has been suggested to play pivotal roles in the development of cardiovascular diseases and cancer. However, whether systemic PGF(2α) concentrations may signal mortality is unknown. The aim was to evaluate in vivo PGF(2α) formation, by meas...
This paper investigates the problem of variable-length source coding with criteria normalized cumulant generating function codeword lengths and excess distortion probability. We analyze non-asymptotic fundamental limit under constraint that probability is allowed up to ϵ ∈ [0, 1). Our achievability converse bounds are characterized by quantity related Rényi entropy.
BACKGROUND Eicosapentaenoic acid-derived prostaglandin (PG) E3, PGF(3α), and thromboxane (TX) B3 are bioactive lipid mediators which have anti-cancer and anti-inflammatory effects. To exert their effects, PGE3, PGF(3α), and TXB3 must be released to the extracellular space from cells, but the release mechanism has been unclear. We therefore investigated the contribution of ATP-binding cassette t...
Lower esophageal sphincter (LES) tone depends on PGF(2alpha) and thromboxane A(2) acting on receptors linked to G(i3) and G(q) to activate phospholipases and produce second messengers resulting in muscle contraction. We therefore examined PGF(2alpha) signal transduction in circular smooth muscle cells isolated by enzymatic digestion from cat esophagus (Eso) and LES. In Eso, PGF(2alpha)-induced ...
Antioxidant enzymes seem to play roles in controlling the luteal function and the luteolytic action of prostaglandin F2α (PGF). The aim of this study was to clarify the roles of catalase (CAT) and glutathione peroxidase (GPx) in the luteolytic action of PGF in both corpus luteum (CL) and cultured luteal cells. Corpora lutea were collected at the early (days 2-3), developing (days 5-6), mid (day...
We have shown that two unrelated prostaglandin antagonists block both thyrotropin (TSH) and prostaglandins E (PGE(1), PGE(2)) stimulation of thyroidal adenyl cyclase activation and cyclic 3',5'-adenosine monophosphate (cAMP) formation, suggesting that prostaglandins play an important role in regulating thyroid function. To further explore this postulate, we measured prostaglandin content by rad...
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