ELIZA

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290904 occurrences (No.84 in the rank) during 5 years in the PubMed. [no cache] 500 found

83) Moreover, PGE2 increased EP2 expression through activation of positive feedback mechanism, and PGE2 -induced EP2 expression, as well as basal EP2 levels, were reduced in silymarin-treated cells.

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PMID:24127286 DOI:10.1002/mc.22092

2015 Molecular carcinogenesis

* Silymarin suppresses the PGE2 -induced cell migration through inhibition of EP2 activation; G protein-dependent PKA-CREB and G protein-independent Src-STAT3 signal pathways.

- Silymarin has been known as a chemopreventive agent, and possesses multiple anti-cancer activities including induction of apoptosis, inhibition of proliferation and growth, and blockade of migration and invasion. However, whether silymarin could inhibit prostaglandin (PG) E2 -induced renal cell carcinoma (RCC) migration and what are the underlying mechanisms are not well elucidated. Here, we found that silymarin markedly inhibited PGE2 -stimulated migration. PGE2 induced G protein-dependent CREB phosphorylation via protein kinase A (PKA) signaling, and PKA inhibitor (H89) inhibited PGE2 -mediated migration. Silymarin reduced PGE2 -induced CREB phosphorylation and CRE-promoter activity. PGE2 also activated G protien-independent signaling pathways (Src and STAT3) and silymarin reduced PGE2 -induced phosphorylation of Src and STAT3. Inhibitor of Src (Saracatinib) markedly reduced PGE2 -mediated migration. We found that EP2, a PGE2 receptor, is involved in PGE2 -mediated cell migration. Down regulation of EP2 by EP2 siRNA and EP2 antagonist (AH6809) reduced PGE2 -inudced migration. In contrast, EP2 agonist (Butaprost) increased cell migration and silymarin effectively reduced butaprost-mediated cell migration. Moreover, PGE2 increased EP2 expression through activation of positive feedback mechanism, and PGE2 -induced EP2 expression, as well as basal EP2 levels, were reduced in silymarin-treated cells. Taken together, our study demonstrates that silymarin inhibited PGE2 -induced cell migration through inhibition of EP2 signaling pathways (G protein dependent PKA-CREB and G protein-independent Src-STAT3).

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(1)66 the	(12)4 activity	(24)2 among	(35)2 interhemispheric
(2)30 in	(13)4 both	(25)2 availability	(36)2 it
(3)23 by	(14)4 cell	(26)2 blood	(37)2 likelihood
(4)13 null	(16)3 ability	(27)2 but	(38)2 number
(5)13 to	(17)3 after	(28)2 compared	(39)2 rates
(6)10 glutathione	(18)3 binding	(29)2 effortful	(40)2 stem
(7)8 and	(19)3 or	(30)2 ejection	(41)2 total
(8)8 expression	(20)3 risk	(31)2 following	(42)2 tumor
(9)5 levels	(21)3 sensitivity	(32)2 from	(43)2 which
(10)5 significantly	(22)2 (P	(33)2 glutathione,
(11)4 PGE2	(23)2 BRCA-1	(34)2 hippocampal

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--- WordNet output for reduced --- =>貧しい暮らし, 落ちぶれた生活 Overview of verb reduce The verb reduce has 20 senses (first 11 from tagged texts) 1. (102) reduce, cut down, cut back, trim, trim down, trim back, cut, bring down -- (cut down on; make a reduction in; "reduce your daily fat intake"; "The employer wants to cut back health benefits") 2. (9) reduce -- (make less complex; "reduce a problem to a single question") 3. (5) reduce -- (bring to humbler or weaker state or condition; "He reduced the population to slavery") 4. (3) reduce -- (simplify the form of a mathematical equation of expression by substituting one term for another) 5. (3) reduce -- (lower in grade or rank or force somebody into an undignified situation; "She reduced her niece to a servant") 6. (3) reduce, come down, boil down -- (be the essential element; "The proposal boils down to a compromise") 7. (2) shrink, reduce -- (reduce in size; reduce physically; "Hot water will shrink the sweater"; "Can you shrink this image?") 8. (1) reduce -- (lessen and make more modest; "reduce one's standard of living") 9. (1) reduce, scale down -- (make smaller; "reduce an image") 10. (1) deoxidize, deoxidise, reduce -- (to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons) 11. (1) reduce, tighten -- (narrow or limit; "reduce the influx of foreigners") 12. repress, quash, keep down, subdue, subjugate, reduce -- (put down by force or intimidation; "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land") 13. reduce -- (undergo meiosis; "The cells reduce") 14. reduce -- (reposition (a broken bone after surgery) back to its normal site) 15. reduce -- (destress and thus weaken a sound when pronouncing it) 16. abridge, foreshorten, abbreviate, shorten, cut, contract, reduce -- (reduce in scope while retaining essential elements; "The manuscript must be shortened") 17. boil down, reduce, decoct, concentrate -- (be cooked until very little liquid is left; "The sauce should reduce to one cup") 18. reduce, boil down, concentrate -- (cook until very little liquid is left; "The cook reduced the sauce by boiling it for a long time") 19. dilute, thin, thin out, reduce, cut -- (lessen the strength or flavor of a solution or mixture; "cut bourbon") 20. reduce, melt off, lose weight, slim, slenderize, thin, slim down -- (take off weight) Overview of adj reduced The adj reduced has 2 senses (first 2 from tagged texts) 1. (6) decreased, reduced -- (made less in size or amount or degree) 2. (1) reduced, rock-bottom -- (well below normal (especially in price)) --- WordNet end ---