ELIZA

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663834 occurrences (No.9 in the rank) during 5 years in the PubMed. [no cache] 500 found

342) On the other hand, in the presence of cholesterol, verapamil permeability increases in all lipid systems; however, the relative verapamil permeability respect to lecithin-PC did not show any significant increase.

--- ABSTRACT ---

PMID:24568608 DOI:10.3109/03639045.2014.892954

2015 Drug development and industrial pharmacy

* Use of DMPC and DSPC lipids for verapamil and naproxen permeability studies by PAMPA.

- Verapamil and naproxen Parallel Artificial Membrane Permeability Assay (PAMPA) permeability was studied using lipids not yet reported for this model in order to facilitate the quantification of drug permeability. These lipids are 1,2-distearoyl-sn-glycero-3-phosphatidylcholine (DSPC), 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) and an equimolar mixture of DMPC/DSPC, both in the absence and in the presence of 33.3 mol% of cholesterol. PAMPA drug permeability using the lipids mentioned above was compared with lecithin-PC. The results show that verapamil permeability depends on the kind of lipid used, in the order DMPC > DMPC/DSPC > DSPC. The permeability of the drugs was between 1.3 and 3.5-times larger than those obtained in lecithin-PC for all the concentrations of the drug used. Naproxen shows similar permeability than verapamil; however, the permeability increased with respect to lecithin-PC only when DMPC and DMPC/DSPC were used. This behavior could be explained by a difference between the drug net charge at pH 7.4. On the other hand, in the presence of cholesterol, verapamil permeability increases in all lipid systems; however, the relative verapamil permeability respect to lecithin-PC did not show any significant increase. This result is likely due to the promoting effect of cholesterol, which is not able to compensate for the large increase in verapamil permeability observed in lecithin-PC. With respect to naproxen, its permeability value and relative permeability respect lecithin-PC not always increased in the presence of cholesterol. This result is probably attributed to the negative charge of naproxen rather than its molecular weight. The lipid systems studied have an advantage in drug permeability quantification, which is mainly related to the charge of the molecule and not to its molecular weight or to cholesterol used as an absorption promoter.

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(1)255 that	(9)5 here	(17)3 different	(25)2 differences
(2)30 a	(10)5 promise	(18)3 risk	(26)2 differential
(3)24 the	(11)4 by	(19)3 statistically	(27)2 for
(4)13 how	(12)4 greater	(20)3 such	(28)2 great
(5)13 significant	(13)4 higher	(21)2 null	(29)2 important
(6)8 any	(14)4 increased	(22)2 beneficial	(30)2 lower
(7)8 that,	(15)4 more	(23)2 changes
(8)7 an	(16)4 similar	(24)2 clinical

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--- WordNet output for show --- =>教える, 見せること, 展覧会, 見世物, 外観, を見せる, を案内する, を明らかにする, 見える Overview of noun show The noun show has 4 senses (first 2 from tagged texts) 1. (18) show -- (the act of publicly exhibiting or entertaining; "a remarkable show of skill") 2. (9) display, show -- (something intended to communicate a particular impression; "made a display of strength"; "a show of impatience"; "a good show of looking interested") 3. show -- (a social event involving a public performance or entertainment; "they wanted to see some of the shows on Broadway") 4. appearance, show -- (pretending that something is the case in order to make a good impression; "they try to keep up appearances"; "that ceremony is just for show") Overview of verb show The verb show has 12 senses (first 11 from tagged texts) 1. (136) show, demo, exhibit, present, demonstrate -- (give an exhibition of to an interested audience; "She shows her dogs frequently"; "We will demo the new software in Washington") 2. (63) prove, demonstrate, establish, show, shew -- (establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture") 3. (57) testify, bear witness, prove, evidence, show -- (provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence") 4. (43) show -- (make visible or noticeable; "She showed her talent for cooking"; "Show me your etchings, please") 5. (32) picture, depict, render, show -- (show in, or as in, a picture; "This scene depicts country life"; "the face of the child is rendered with much tenderness in this painting") 6. (24) express, show, evince -- (give expression to; "She showed her disappointment") 7. (24) indicate, point, designate, show -- (indicate a place, direction, person, or thing; either spatially or figuratively; "I showed the customer the glove section"; "He pointed to the empty parking space"; "he indicated his opponents") 8. (11) show, show up -- (be or become visible or noticeable; "His good upbringing really shows"; "The dirty side will show") 9. (7) read, register, show, record -- (indicate a certain reading; of gauges and instruments; "The thermometer showed thirteen degrees below zero"; "The gauge read `empty'") 10. (6) show -- (give evidence of, as of records; "The diary shows his distress that evening") 11. (2) usher, show -- (take (someone) to their seats, as in theaters or auditoriums; "The usher showed us to our seats") 12. show -- (finish third or better in a horse or dog race; "he bet $2 on number six to show") --- WordNet end ---