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return kwic search for tumor out of >500 occurrences
305909 occurrences (No.73 in the rank) during 5 years in the PubMed. [no cache] 500 found

50) The tumor suppressor p53, nuclear factor-κB (NF-κB) and reactive oxygen species (ROS) have crucial roles in tumorigenesis, although the mechanisms of cross talk between these factors remain largely unknown.

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PMID:24469051 DOI:10.1038/onc.2013.597

2015 Oncogene

* Selective killing of lung cancer cells by miRNA-506 molecule through inhibiting NF-κB p65 to evoke reactive oxygen species generation and p53 activation.

- The tumor suppressor p53, nuclear factor-κB (NF-κB) and reactive oxygen species (ROS) have crucial roles in tumorigenesis, although the mechanisms of cross talk between these factors remain largely unknown. Here we report that miR-506 upregulation occurs in 83% of lung cancer patients (156 cases), and its expression highly correlates with ROS. Ectopic expression of miR-506 inhibits NF-κB p65 expression, induces ROS accumulation and then activates p53 to suppress lung cancer cell viability, but not in normal cells. Interestingly, p53 promotes miR-506 expression level, indicating that miR-506 mediates cross talk between p53, NF-κB p65 and ROS. Furthermore, we demonstrated that miR-506 mimics inhibited tumorigenesis in vivo, implicating that miR-506 might be a potential therapeutic molecule for selective killing of lung cancer cells.

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[frequency of next (right) word to tumor]

(1)36 cells	(17)6 size	(33)3 lysis	(49)2 progression,
(2)23 suppressor	(18)6 suppression	(34)3 onset	(50)2 recurred
(3)22 progression	(19)6 tissue	(35)3 targeting	(51)2 recurrence
(4)20 necrosis	(20)6 with	(36)3 to	(52)2 regression
(5)19 null	(21)5 angiogenesis	(37)3 types	(53)2 response
(6)17 growth	(22)5 initiating	(38)2 1	(54)2 samples,
(7)15 cell	(23)5 suppressive	(39)2 activity	(55)2 site
(8)14 was	(24)5 volume	(40)2 burden	(56)2 size,
(9)12 and	(25)4 model	(41)2 classification	(57)2 that
(10)11 development	(26)4 sites	(42)2 composed	(58)2 the
(11)11 in	(27)4 suppressors	(43)2 expression	(59)2 tissue,
(12)11 of	(28)3 effects	(44)2 heterogeneity	(60)2 tissues
(13)7 microenvironment	(29)3 excision	(45)2 invasion	(61)2 treatment
(14)6 formation	(30)3 extension	(46)2 is
(15)6 promotion	(31)3 had	(47)2 metastasis
(16)6 samples	(32)3 local	(48)2 mice

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--- WordNet output for tumor --- =>膨らみ, 出っ張り, 腫瘍 Overview of noun tumor The noun tumor has 1 sense (first 1 from tagged texts) 1. (18) tumor, tumour, neoplasm -- (an abnormal new mass of tissue that serves no purpose) --- WordNet end ---