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

17) These results suggest that the expression of ANKRD18B is regulated by CpG island hypermethylation in lung cancer.

--- ABSTRACT ---

PMID:24249358 DOI:10.1002/mc.22101

2015 Molecular carcinogenesis

* Epigenetic regulation of ANKRD18B in lung cancer.

- The identification of the key genetic and epigenetic changes underlying lung carcinogenesis would aid effective early diagnosis and targeted therapies for lung cancer. In this study, we screened a novel hypermethylated gene ankyrin repeat domain 18B (ANKRD18B), to determine whether it is regulated by DNA methylation and clarify its biological and clinical implications in lung cancer. Methylation status and expression level were analyzed by methylation-specific PCR, bisulfite genomic sequencing, and quantitative reverse transcription-polymerase chain reaction (qRT-PCR). We detected ANKRD18B hypermethylation in 52 of 98 (53.1%) primary lung cancer tissues and in nine of 10 (90%) cell lines, whereas no methylation was seen in 10 normal lung tissue samples. ANKRD18B methylation was more frequently observed in patients with poor differentiation (P < 0.05). Notably, 62 pairs of samples from patients whose tumor tissue showed hypermethylation of ANKRD18B exhibited the same aberrant methylation in 72.7% and 69.7% of their corresponding plasma and sputum samples, respectively; whereas no hypermethylation of ANKRD18B was detected in the sputum and plasma from patients whose tumor sample lacked this alteration. In addition, ANKRD18B mRNA expression was significantly decreased or silenced in lung cancer tissues and cell lines associated with hypermethylation of the ANKRD18B region. Demethylation agent 5-aza-2'-deoxycytidine significantly increased ANKRD18B mRNA expression in lung cancer cell lines. Furthermore, overexpression of ANKRD18B suppressed lung cancer cell growth. These results suggest that the expression of ANKRD18B is regulated by CpG island hypermethylation in lung cancer. Our findings confirm the importance of the identification of new markers of epigenetic dysregulation in cancer.

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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 ---