References: Lecithin
Klin Med (Mosk). 1992 Jul-Aug;70(7-8):39-41.
[Indicators of the lithogenic properties of the bile: methods of their evaluation, clinical availability and informative value]
[Article in Russian]
Rubens IuP, Iurika EV, Seleznev IuV.
Duodenal bile taken by gastroduodenal intubation of patients with chronic calculous cholecystitis with intact gallbladder performance was investigated as was the bile taken in those with chronic acalculous cholecystitis or in those without clinical signs of cholecystitis and concurrent diseases. The bile was investigated for cholesterol, bile acids and lecithin levels. All the parameters obtained were used for computation of lithogeny parameters: Swell, Admirand-Small, Metzger, Thomas, Andrews and cholesterol-lecithin ratio. The study performed indicated that Swell's parameters of lithogeny and cholesterol-lecithin ratio displayed more precisely lithogeny of the bile, and could be determined more easily than other parameters.
Laxative online source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=1460823&dopt=Abstract lecithin
Prostaglandins Leukot Essent Fatty Acids. 1992 Oct;47(2):117-21.
Amniotic fluid embolism and leukotrienes--the role of amniotic fluid surfactant in leukotriene production.
Lee HC, Yamaguchi M, Ikenoue T, Miyakawa I, Mori N.
Department of Obstetrics and Gynecology, Miyazaki Medical College, Japan.
Surfactant rich lipid (lipid) was extracted from cell free 10,000 x g pellets of amniotic fluid. White blood cells (WBC) were isolated from human donors. 36 x 10(7) WBC and 5 g rabbit lung were incubated with pretreated lipid or dipalmitoyl lecithin (lecithin). Leukotrienes (LTs) were identified by high performance liquid chromatography (HPLC) and bioassay, and quantified by radioimmunoassay. Peaks of LTC4 and LTD4 on HPLC and guinea-pig ileum contraction could be identified in lipid and lecithin groups, but not in the control group. LTC4 production by lipid and lecithin groups was significantly higher than that by the control group. An involvement of amniotic fluid surfactant in leukotriene production is suggested.
Laxative online source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=1461921&dopt=Abstract lecithin
Ukr Biokhim Zh. 1992 Sep-Oct;64(5):110-3.
[Effect of compounds having hypotensive activity on microviscosity of phospholipids membranes]
[Article in Russian]
Goriushko AG, Shnurko EV, Chekman IS, Skurskii SI.
Vincapane, apressin, raunatin, reserpine and prazosin have been studied for their effect on the state of microviscosity of phospholipid bilayers from lecithin and cardiolipine. The method of fluorescent probing using pyrene and asymmetrical polymethine dye 4501 u have been used for this study. Character of changes of phospholipid bilayers microviscosity as affected by these compounds depends on their concentration in the solution. Vincapan lowers microviscosity of membranes from lecithin in the interval of the concentrations given. Advantages of fluorescent probing by means of asymmetric polymethine dye in comparison with pyrene were shown.
Laxative online source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=1462366&dopt=Abstract lecithin
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