ELIZA

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731925 occurrences (No.6 in the rank) during 5 years in the PubMed. [no cache] 500 found

242) Constitutive invasion activity, FAK phosphorylation, and MMP14 expression levels of HaCaT keratinocytes after treatment with 5 µM barium for 4 months were significantly higher than those of control untreated HaCaT keratinocytes.

--- ABSTRACT ---

PMID:23804419 DOI:10.1002/tox.21881

2015 Environmental toxicology

* Enhanced constitutive invasion activity in human nontumorigenic keratinocytes exposed to a low level of barium for a long time.

- We have recently demonstrated that exposure to barium for a short time (≤4 days) and at a low level (5 µM = 687 µg/L) promotes invasion of human nontumorigenic HaCaT cells, which have characteristics similar to those of normal keratinocytes, suggesting that exposure to barium for a short time enhances malignant characteristics. Here we examined the effect of exposure to low level of barium for a long time, a condition mimicking the exposure to barium through well water, on malignant characteristics of HaCaT keratinocytes. Constitutive invasion activity, focal adhesion kinase (FAK) protein expression and activity, and matrix metalloproteinase 14 (MMP14) protein expression in primary cultured normal human epidermal keratinocytes, HaCaT keratinocytes, and HSC5 and A431 human squamous cell carcinoma cells were augmented following an increase in malignancy grade of the cells. Constitutive invasion activity, FAK phosphorylation, and MMP14 expression levels of HaCaT keratinocytes after treatment with 5 µM barium for 4 months were significantly higher than those of control untreated HaCaT keratinocytes. Taken together, our results suggest that exposure to a low level of barium for a long time enhances constitutive malignant characteristics of HaCaT keratinocytes via regulatory molecules (FAK and MMP14) for invasion.

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(1)183 of	(11)7 is	(21)3 indicating	(31)2 level,
(2)50 in	(12)6 analysis	(22)3 on	(32)2 pattern
(3)28 levels	(13)4 at	(23)3 via	(33)2 profiling
(4)25 and	(14)4 profile	(24)2 alkaline	(34)2 regulation
(5)23 was	(15)4 through	(25)2 between	(35)2 that
(6)21 null	(16)4 were	(26)2 but	(36)2 whereas
(7)11 level	(17)3 are	(27)2 cell	(37)2 which
(8)10 patterns	(18)3 changes	(28)2 during	(38)2 with
(9)8 profiles	(19)3 data	(29)2 from
(10)7 by	(20)3 for	(30)2 increased

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--- WordNet output for expression --- =>表現すること, 式, 表現, 表示, 言い回し, 表現法, 表情 Overview of noun expression The noun expression has 9 senses (first 6 from tagged texts) 1. (23) expression, look, aspect, facial expression, face -- (the feelings expressed on a person's face; "a sad expression"; "a look of triumph"; "an angry face") 2. (18) expression, manifestation, reflection, reflexion -- (expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition") 3. (15) expression, verbal expression, verbalism -- (the communication (in speech or writing) of your beliefs or opinions; "expressions of good will"; "he helped me find verbal expression for my ideas"; "the idea was immediate but the verbalism took hours") 4. (5) saying, expression, locution -- (a word or phrase that particular people use in particular situations; "pardon the expression") 5. (4) formulation, expression -- (the style of expressing yourself; "he suggested a better formulation"; "his manner of expression showed how much he cared") 6. (4) formula, expression -- (a group of symbols that make a mathematical statement) 7. expression -- ((genetics) the process of expressing a gene) 8. construction, grammatical construction, expression -- (a group of words that form a constituent of a sentence and are considered as a single unit; "I concluded from his awkward constructions that he was a foreigner") 9. expression -- (the act of forcing something out by squeezing or pressing; "the expression of milk from her breast") --- WordNet end ---