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505522 occurrences (No.25 in the rank) during 5 years in the PubMed. [no cache] 500 found

401) A large number of studies have evaluated the impact of TP53 mutations on the prognosis of patients with non-small cell lung cancer (NSCLC); however, the results of these studies are still controversial.

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PMID:24038464 DOI:10.1002/mc.22077

2015 Molecular carcinogenesis

* The influence of TP53 mutations on the prognosis of patients with early stage non-small cell lung cancer may depend on the intratumor heterogeneity of the mutations.

- A large number of studies have evaluated the impact of TP53 mutations on the prognosis of patients with non-small cell lung cancer (NSCLC); however, the results of these studies are still controversial. Recently, considerable intratumor heterogeneity for genetic alterations has been demonstrated in various human cancers, including lung cancer. In the present study, we evaluated TP53 mutations in NSCLCs by direct sequencing and observed remarkable variation in the values of relative intensity (RI, the height of the peak of mutated allele/the height of the peak of non-mutated allele) of the mutations. We also examined whether the RI values were associated with intratumor heterogeneity of TP53 mutations. In addition, we evaluated the relationship between TP53 mutations and survival outcome. The patients with a TP53 mutation did not have significantly worse survival compared to those without the mutation. However, when tumors with a TP53 mutation were categorized into two groups, those with a low and those with a high RI, the latter group had significantly worse survival compared to those with wild-type TP53 (adjusted hazard ratio = 2.58, 95% confidence interval = 1.21-5.48, P = 0.01), whereas the former group did not. These results suggest that intratumor genetic heterogeneity may be an important factor in determining the role of TP53 mutations on the prognosis of NSCLC patients.

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(1)65 null	(14)6 therapy	(27)3 of	(40)2 epigenetics
(2)48 cells	(15)6 tissues	(28)3 patients,	(41)2 growth
(3)33 and	(16)5 cells,	(29)3 research	(42)2 initiation
(4)32 cell	(17)5 progression	(30)3 was	(43)2 prevention
(5)23 patients	(18)5 registries	(31)2 (GC)	(44)2 registry
(6)15 in	(19)4 at	(32)2 biology	(45)2 study
(7)14 is	(20)4 deaths	(33)2 but	(46)2 susceptibility
(8)12 risk	(21)4 has	(34)2 can	(47)2 than
(9)12 screening	(22)4 mortality	(35)2 care	(48)2 treated
(10)12 stem	(23)3 (CRC)	(36)2 development	(49)2 treatment
(11)9 survivors	(24)3 as	(37)2 diagnostic	(50)2 using
(12)7 with	(25)3 cases	(38)2 drug
(13)6 are	(26)3 metabolism	(39)2 drugs

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--- WordNet output for cancer --- =>【病名】がん, 悪性腫瘍(しゅよう), がん腫, 社会悪, 癌 Overview of noun cancer The noun cancer has 5 senses (first 1 from tagged texts) 1. (15) cancer, malignant neoplastic disease -- (any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream) 2. Cancer, Crab -- ((astrology) a person who is born while the sun is in Cancer) 3. Cancer -- (a small zodiacal constellation in the northern hemisphere; between Leo and Gemini) 4. Cancer, Cancer the Crab, Crab -- (the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22) 5. Cancer, genus Cancer -- (type genus of the family Cancridae) --- WordNet end ---