نتایج جستجو برای: keto
تعداد نتایج: 6040 فیلتر نتایج به سال:
This study was designed to characterize the endothelium-dependent contracting factor (EDCF) released by arachidonic acid (AA) and methacholine (MeCH) in the rabbit pulmonary artery. AA and MeCH contract the rabbit pulmonary artery; however, the effects of both are blocked by denuding the vessels and by administration of indomethacin (a cyclooxygenase inhibitor), dazoxiben (a thromboxane [TX] sy...
This study evaluates the sustained analgesic effect of ketorolac-eluting thermosensitive biodegradable hydrogel in the plantar incisional pain model of the rat hind-paw. A ketorolac-embedded 2, 2'-Bis (2-oxazolin) (BOX) linking methoxy-poly(ethylene glycol) and poly(lactide-co-glycolide) (mPEG-PLGA) diblock copolymer (BOX copolymer) was synthesized as keto-hydrogel based on optimal sol-gel phas...
results of the bromination and dehydrobromination of several angular methylated decalindiones are described. the key reaction, base-induced cyclization of the monobromo keto ester (3), and the dibromo ketone (4), leads to the formation of tricyclic systems (6) and (9) respectively.
Evidence for a reversible process resulting in stable activated and inactivated states of the mitochondrial branched chain alpha-keto acid dehydrogenase complex in isolated perfused rat heart is presented. The inactivation process is mediated by pyruvate infusion, while activation (up to 18-fold) is facilitated by branched chain alpha-keto acid substrates. The low activity state of the branched...
Vasoactive prostanoids may be involved in persistent pulmonary hypertension (PPH) in infants with a congenital diaphragmatic hernia (CDH). We hypothesized that increased levels of prostanoids in bronchoalveolar lavage (BAL) fluid would predict clinical outcome. We measured the concentrations of 6-keto-prostaglandin F(1alpha) (6-keto-PGF(1alpha)), thromboxane B(2) (TxB(2)), protein, albumin, tot...
High-throughput genetics is a powerful approach to identify new genes involved in bacterial carbon catabolism. Here, we used genome-wide fitness assays to identify a novel pathway for 2-deoxy-D-ribose catabolism in Pseudomonas simiae WCS417. The genes that were important for deoxyribose utilization ...
Crude cell-free preparations of Pseudomonas saccharophila grown on n-arabinose oxidize n-arabinose to ol-ketoglutaric acid (1). n-Arabonic acid has been identified as an intermediate in this reaction. The investigations described in this communication are concerned with the mechanism of the conversion of Larabonate to a-ketoglutarate. Evidence is presented for the intermediate formation of &2-k...
This study was designed to characterize the endothelium-dependent contracting factor (EDCF) released by arachidonic acid (AA) and methacholine (MeCH) in the rabbit pulmonary artery. AA and MeCH contract the rabbit pulmonary artery; however, the effects of both are blocked by denuding the vessels and by administration of indomethacin (a cyclooxygenase inhibitor), dazoxiben (a thromboxane [TX] sy...
We have previously shown that plasma high density lipoproteins (HDL) stimulate release of prostacyclin, measured as its stable metabolite, 6-keto-PGF1 alpha, by cultured porcine aortic endothelial cells. The present experiments were designed to elucidate the contribution of HDL lipids to endothelial cellular phospholipid pools and to prostacyclin synthesis. In experiments with reconstituted HDL...
Studies with deuterium as a tracer have shown that wheat germ and pig heart malic dehydrogenase act on the keto form of oxaloacetic acid (1, 2). The keto form of this acid has also been shown to arise in the enzymatic carboxylation of phosphorylenolpyruvate by wheat germ phosphoryl-enolpyruvate carboxylase (3) and by avian liver phosphoryl-enolpyruvate carboxylase kinase (2). In an attempt to e...
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