PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27020207-6 2016 The PIK3CA mutation was evaluated using the PNAClamp Detection Kit from DNA samples extracted from formalin fixed, paraffin embedded tissue. Formaldehyde 99-107 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 4-10 30952761-4 2019 PIK3CA mutations were identified in formalin-fixed and paraffin-embedded surgical specimens from 112 patients with EBV-GC with available tumor tissue samples. Formaldehyde 36-44 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 0-6 29689598-3 2018 In this study, we analyzed the presence of PIK3CA mutations in formalin-fixed, paraffin-embedded, metastatic tissue and corresponding ctDNA from serum of patients with advanced breast cancer using a highly sensitive, optimized droplet digital PCR (ddPCR) assay. Formaldehyde 63-71 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 43-49 32019278-5 2020 Exon 9 and exon 20 of PIK3CA mutations were evaluated by using classical Sanger method with formalin-fixed paraffin-embedded tumor tissues. Formaldehyde 92-100 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 22-28 30426328-0 2019 Comparison of Three Real-Time PCR Assays for the Detection of PIK3CA Somatic Mutations in Formalin-Fixed Paraffin Embedded Tissues of Patients with Breast Carcinomas. Formaldehyde 90-98 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 62-68 30115035-0 2018 PIK3CA mutation is a favorable prognostic factor in esophageal cancer: molecular profile by next-generation sequencing using surgically resected formalin-fixed, paraffin-embedded tissue. Formaldehyde 145-153 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 0-6 28068934-3 2017 METHODS: We examined five hotspot mutations in the PIK3CA gene (E542K, E545K, E546K, H1047R, and H1047L) in formalin-fixed and paraffin-embedded tissue sections of paired endoscopic biopsy and surgically resected specimens from 181 patients undergoing curative resection for ESCC between 2000 and 2011 using a Luminex technology-based multiplex gene mutation detection kit. Formaldehyde 108-116 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 51-57 26702420-7 2015 [1], it was used for multiplex scanning PIK3CA hotspot mutations in formalin-fixed paraffin-embedded (FFPE) samples from patients with colorectal and lung cancer. Formaldehyde 68-76 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 40-46 26001593-6 2015 As a proof of the concept, we present the case of a metastatic patient with a PIK3CA wild-type primary tumor in which the PIK3CA E545K mutation was identified in both the circulating-free DNA obtained from a peripheral blood sample and in the formalin-fixed, paraffin-embedded liver metastasis. Formaldehyde 243-251 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 78-84 26001593-6 2015 As a proof of the concept, we present the case of a metastatic patient with a PIK3CA wild-type primary tumor in which the PIK3CA E545K mutation was identified in both the circulating-free DNA obtained from a peripheral blood sample and in the formalin-fixed, paraffin-embedded liver metastasis. Formaldehyde 243-251 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 122-128 22421194-5 2012 In the retrospective cohort, the concordance of PIK3CA mutation status by BEAMing between formalin-fixed, paraffin-embedded (FFPE) samples and ctDNA from temporally matched plasma was 100% (34 of 34). Formaldehyde 90-98 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 48-54 25199759-5 2014 PIK3CA mutations were evaluated in formalin-fixed, paraffin-embedded tissues from core biopsies with a tumor cell content of >= 20% by using classical Sanger sequencing of exon 9 and exon 20. Formaldehyde 35-43 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 0-6 24262879-2 2014 METHODS: We assessed PIK3CA mutational status in exon 9 and exon 20 hot spots by Sanger sequencing of DNA derived from formalin fixed paraffin embedded tissue of 57 grade 3 endometrioid, 26 serous, 11 clear cell and 5 dedifferentiated carcinomas. Formaldehyde 119-127 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 21-27 23302486-3 2012 The mutations of PIK3CA exon 9 and 20, PTEN exon 5, 7, 8 in primary cancer cells in formalin-fixed, paraffin-embedded specimens were detected by Pyrosequencing, then a statistical analysis was deduced to find out the relationship between PIK3CA, PTEN status and occurrences of liver metastasis as well as the prognosis. Formaldehyde 84-92 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 17-23 21118047-5 2011 RESULTS: A total of 70 alleles of somatic mutations of EGFR, KRAS, BRAF and PIK3CA can be detected simultaneously in one reaction from one formalin-fixed and paraffin-embedded (FFPE) slide within one day. Formaldehyde 139-147 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 76-82 20616362-5 2010 The PIK3CA HRMA assay was evaluated by performing repeatability, sensitivity, and comparison with DNA sequencing studies and was further validated in 129 formalin-fixed paraffin-embedded breast tissue samples: 99 tumors, 20 noncancerous, and 10 fibroadenomas. Formaldehyde 154-162 phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha Homo sapiens 4-10