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279736 occurrences (No.90 in the rank) during 5 years in the PubMed. [no cache] 500 found

242) Methylation status and expression level were analyzed by methylation-specific PCR, bisulfite genomic sequencing, and quantitative reverse transcription-polymerase chain reaction (qRT-PCR).

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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)15 to	(19)4 types	(37)2 attention	(55)2 lineages
(2)9 sequence	(20)3 characteristics	(38)2 barriers	(56)2 measures
(3)7 and	(21)3 features	(39)2 computational	(57)2 miRNAs
(4)7 cell	(22)3 job	(40)2 constitutive	(58)2 molecular
(5)7 variations	(23)3 target	(41)2 criteria	(59)2 neuronal
(6)6 cognitive	(24)3 tendon	(42)2 deficits	(60)2 or
(7)6 genes	(25)3 therapy	(43)2 differences	(61)2 parameters
(8)6 surface	(26)3 type	(44)2 divergence	(62)2 phytotoxicity
(9)5 antibodies	(27)3 variation	(45)2 effect	(63)2 polymerase
(10)5 for	(28)2 null	(46)2 elements	(64)2 primers
(11)5 phobias	(29)2 ECM	(47)2 ethnocultural	(65)2 protein
(12)4 brain	(30)2 IgG	(48)2 extracellular	(66)2 proteins
(13)4 effects	(31)2 PCR	(49)2 fault	(67)2 recommendations
(14)4 growth	(32)2 age-dependent	(50)2 function	(68)2 requirements
(15)4 incidence	(33)2 analysis	(51)2 genetic	(69)2 self-efficacy
(16)4 manner	(34)2 antigen	(52)2 genomic	(70)2 targeted
(17)4 motor	(35)2 antigens	(53)2 information	(71)2 tests
(18)4 needs	(36)2 approach	(54)2 inhibitors

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--- WordNet output for specific --- =>特有の, 特効薬, 明確な, 特定の, 種の, はっきりした Overview of noun specific The noun specific has 2 senses (no senses from tagged texts) 1. particular, specific -- (a fact about some part (as opposed to general); "he always reasons from the particular to the general") 2. specific -- (a medicine that has a mitigating effect on a specific disease; "quinine is a specific for malaria") Overview of adj specific The adj specific has 4 senses (first 2 from tagged texts) 1. (39) specific -- ((sometimes followed by `to') applying to or characterized by or distinguishing something particular or special or unique; "rules with specific application"; "demands specific to the job"; "a specific and detailed account of the accident") 2. (5) specific -- (stated explicitly or in detail; "needed a specific amount") 3. specific -- (relating to or distinguishing or constituting a taxonomic species; "specific characters") 4. specific -- (being or affecting a disease produced by a particular microorganism or condition; used also of stains or dyes used in making microscope slides; "quinine is highly specific for malaria"; "a specific remedy"; "a specific stain is one having a specific affinity for particular structural elements") --- WordNet end ---