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Rare cancer-specific mutations in PIK3CA show gain of function.

Gymnopoulos(Marco),Elsliger(Marc-André),Vo... Proc Natl Acad Sci U S A 2007-05-14

...PIK3CA, the gene coding for the catalytic subunit p110alpha of phosphatidylinositol 3-kinase (PI3K), were examined for t...

Phosphoinositide kinase-3 status associated with presence or absence of human...

Yarbrough(Wendell G),Whigham(Amy),Brown(Br... Int J Radiat Oncol Biol Phy... 2007-11-28

...PIK3CA was overexpressed in HPV(+)-associated HNSCC compared with the expression in HPV(-) HNSCC. Activation of PIK3CA b...

Recurrent FGFR1 amplification and high FGFR1 protein expression in oral squam...

Freier(Kolja),Schwaenen(Carsten),Sticht(Ca... Oral Oncol 2007-11-20

...PIK3CA, whereas deletions affected TRAILR1 and ATM. Furthermore, a distinct high-level amplification of the fibroblast g...

Rare mutations of the PIK3CA gene in malignancies of the hematopoietic system...

Müller(Claudia I),Miller(Carl W),Hofmann(W... Leuk Res 2007-01-30

Lipid kinase PIK3CA mutations have been described in several cancers. They clustered in two 'hot spots' located in helic...

Genetic and epigenetic profiling in early colorectal tumors and prediction of...

Nosho(Katsuhiko),Yamamoto(Hiroyuki),Takaha... Carcinogenesis 2007-08-07

...PIK3CA mutation. Multiple logistic analysis showed that lymphatic invasion and RASSF2 methylation with KRAS, BRAF or PIK...

PIK3CA gene mutations in pediatric and adult glioblastoma multiforme.

Gallia(Gary L),Rand(Vikki),Siu(I-Mei),Eber... Mol Cancer Res 2007-02-12

...PIK3CA in 73 glioblastoma samples by PCR amplification followed by direct DNA sequencing. Overall, PIK3CA mutations were...

Mutational analysis of beta-catenin and the RAS-RAF signalling pathway in ear...

Mikami(Masashi),Nosho(Katsuhiko),Yamamoto(... Eur J Cancer 2007-02-09

...PIK3CA in 310 early colorectal tumours. beta-catenin mutation was detected in 7.1% of 310 tumours. beta-catenin mutation...

Transcriptome classification of HCC is related to gene alterations and to new...

Boyault(Sandrine),Rickman(David S),de Reyn... Hepatology 2007-01-23

...PIK3CA and TP53. In these first groups, we detected specific activation of the AKT pathway. G3 tumors were typified by m...

Clinicopathologic analysis of breast cancers with PIK3CA mutations in Japanes...

Maruyama(Naomi),Miyoshi(Yasuo),Taguchi(Tet... Clin Cancer Res 2007-04-24

...PIK3CA mutations and p53 mutation status. PIK3CA mutations were significantly (P < 0.05) associated with a favorable pro...

Alternate molecular genetic pathways in ovarian carcinomas of common histolog...

Willner(Julia),Wurz(Kaitlyn),Allison(Kimbe... Hum Pathol 2007-05-01

...PIK3CA occurs by gene amplification in SC but via somatic mutation of PIK3CA or PTEN in EC and CC. PIK3CA mutations are ...

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