Drugs online research references
J Pathol. 1978 Jan;124(1):1-5.
Scanning electron-microscope studies of the endothelium of aortic allografts in the rabbit: effect of azathioprine, prednisolone and promethazine on early cellular invasion.
Reidy MA, Bowyer DE.
Aortic allografts in rabbits were observed by scanning electron microscopy 24 hr after transplantation. The extent of the leucocytic invasion could be precisely and reproducibly measured. Azathioprine and prednisolone, whether alone or in combination, given on three occasions--10 hr before, immediately after and again 10 hr after surgery, significantly inhibited the cellular invasion. Promethazine produced a slight, but not statistically significant, effect.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=722367&dopt=Abstract
Toxicology. 1981;19(3):197-207.
Factors affecting the efflux of paraquat from rat lung slices.
Smith LL, Wyatt I, Rose MS.
In an attempt to reduce the toxicity of paraquat several compounds were examined for their ability to increase the rate of efflux of paraquat from the lung. The compounds were selected because they were known, from in vitro studies, to reduce the accumulation of paraquat into the lung. Histamine (100 MicroM), promethazine (100 microM), putrescine (100 microM), bromthymol blue (300 microM) and the metabolic inhibitors iodoacetate (1 mM), rotenone (100 microM) and KCN (1 mM) have been shown to reduce the accumulation of paraquat into rat lung slices, as did the incubation of slices under nitrogen. The efflux of paraquat from lung slices prepared from rats dosed intravenously with paraquat was biphasic, having a very fast component and a slow component. The slow component was first order and was characterised by a t1/2 of 17 h. This half life is similar to that seen in vivo (24 h) following intravenous dosing. When lung slices prepared from rats dosed intravenously with paraquat were incubated in the presence of iodoacetate (1 mM) or under nitrogen, the half life of paraquat in the slices was reduced to approximately 3 h. In the presence of rotenone (100 microM) it was reduced to approximately 9 h. Histamine (100 microM) and promethazine (100 microM) did not affect the efflux of paraquat from lung slices. Bromthymol blue, a dye which forms "ion pair" complexes with paraquat, also significantly increased the efflux of paraquat from lung slices. The effect of bromthymol blue, however, decreased with time and thus paraquat efflux in the presence of bromthymol blue did not obey first order kinetics. In order to measure cellular viability of lung slices, oxygen consumption, glucose oxidation and the rate of the efflux of protein from the slices into the incubation medium were determined. Iodoacetate (1 mM) and rotenone (100 mM) almost abolished oxygen consumption and glucose oxidation whereas these activities were inhibited to a lesser extent by bromthymol blue (300 microM) (18% and 30%, respectively). During the first 30 min of incubation in the presence of KCN (1 mM) oxygen consumption was almost abolished but between 30 min and 4 h returned to control levels. The effect of KCN could therefore be divided into 2 phases. Over 4 h incubation glucose oxidation was inhibited by 36%. Iodoacetate (1 mM) and incubation under nitrogen caused the most pronounced increases in the rate of protein efflux from slices. KCN (1 mM) and rotenone (100 microM) also increased the rate of protein efflux but to a lesser extent. We have therefore suggested that the effect of KCN (1 mM) on cellular viability, while severe, may be less than that of iodoacetate (1 mM) or incubation under nitrogen...
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7233444&dopt=Abstract
Middle East J Anaesthesiol. 1980 Oct;5(8):545-51.
Intravenous anaesthetics for minor gynecological operations.
Swelem SE.
Ten intravenous anaesthetic combination were used for anaesthesia in 470 women undergoing minor gynecological operations and examinations. Their effects on respiration, pulse rate, blood pressure as well as the incidence of complications and satisfaction of operating conditions were studied. Ketamine-diazepam combination was found most satisfactory and more superior to ketamine alone in operations of about 30 minutes duration. Thiopentone and althesin-preferably after diazepam - appeared to suit shorter operations, while propanidid may be useful only for very quick maneuvers. Pethidine-diazepam-promethazine mixture proved to be valuable for evacuations particularly in poor risk and non-prepared patients. Both hexobarbitone and buthalitone were found unsatisfactory.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7253947&dopt=Abstract
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