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286534 occurrences (No.87 in the rank) during 5 years in the PubMed. [no cache] 500 found

323) In both situations, RT-PCR experiments demonstrated an increase of the NLRP3 mRNA level that can be potentiated by pre-treatment of ECs with 5 mM ATP.

--- ABSTRACT ---

PMID:24583910 DOI:10.1177/1753425914523459

2015 Innate immunity

* Porphyromonas gingivalis-impaired innate immune response via NLRP3 proteolysis in endothelial cells.

- Porphyromonas gingivalis (Pg) is involved in the link between periodontal diseases and atherosclerosis worsening. In periodontal cells, Pg modifies IL-1β expression via the NLRP3 inflammasome pathway activation. Our aim was to investigate NLRP3 inflammasome activation in endothelial cells (ECs) after Pg infection and Pg-LPS stimulation. In both situations, RT-PCR experiments demonstrated an increase of the NLRP3 mRNA level that can be potentiated by pre-treatment of ECs with 5 mM ATP. However, Western blotting analysis revealed that Pg infection induced a proteolysis of NLRP3 protein and a major decrease of the native protein. After ATP pre-treatment and/or Pg-LPS stimulation, this proteolysis was not observed, while NLRP3 protein levels were increased. Proteolysis of the NLRP3 protein was not observed with heat-killed Pg and inhibition of ECs protein synthesis with cycloheximide did not abolish the NLRP3 protein degradation induced by Pg infection in ATP pre-treated cells. Additionally, significant increases of secreted IL-1β were measured after ATP pre-treatment and/or Pg-LPS stimulation, but not after Pg infection. These data showed that Pg and Pg-LPS differentially controlled the NLRP3 inflammasome pathway in ECs, and suggested a novel potential mechanism developed by Pg to reduce IL-1β secretion and to escape host immune response.

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[frequency of next (right) word to demonstrated]

(1)158 that	(10)5 good	(19)3 excellent	(28)2 efficacy
(2)48 the	(11)5 increased	(20)3 more	(29)2 greater
(3)40 a	(12)5 significantly	(21)3 no	(30)2 how
(4)23 by	(13)4 as	(22)3 that,	(31)2 successful
(5)21 to	(14)4 better	(23)2 acceptable	(32)2 through
(6)13 in	(15)4 improved	(24)2 and	(33)2 using
(7)12 null	(16)4 its	(25)2 both
(8)11 an	(17)4 similar	(26)2 decreased
(9)8 for	(18)3 between	(27)2 differential

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--- WordNet output for demonstrated --- Overview of verb demonstrate The verb demonstrate has 4 senses (first 4 from tagged texts) 1. (24) 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. (22) 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. (2) attest, certify, manifest, demonstrate, evidence -- (provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; "His high fever attested to his illness"; "The buildings in Rome manifest a high level of architectural sophistication"; "This decision demonstrates his sense of fairness") 4. (1) demonstrate, march -- (march in protest; take part in a demonstration; "Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle") Overview of adj demonstrated The adj demonstrated has 1 sense (first 1 from tagged texts) 1. (1) demonstrated -- (having been demonstrated or verified beyond doubt) --- WordNet end ---