| http://purl.uniprot.org/citations/31387179 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/31387179 | http://www.w3.org/2000/01/rdf-schema#comment | "Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) is the first-line treatment in non-resectable non-small lung cancer (NSCLC) with EGFR mutation. However, EGFR-TIKs resistance would inevitably develop within 9-14 months after treatment. And, chemotherapy is the main treatment for EGFR-TKIs resistant patients. WEE1 kinase, a G2/M checkpoint regulator, was recently considered as a putative biomarker for the platinum-based chemo-response. The aim of this study is to clarify the relationship between WEE1 kinase and chemosensitivity in EGFR-TKIs resistant NSCLC. WEE1 expression was tested in EGFR-TKIs resistant cell lines (H1299, PC9/G2) and patients' specimens by western blot, qPCR and immunohistochemistry (IHC). In in vitro experiment, WEE1 expression was higher in EGFR-TKIs resistant than EGFR-TKIs sensitive cell lines and was gradually increased following cisplatin or gemcitabine treatment with the enrichment of G2/M cell cycle phase. And, for patients with acquired Icotinib/Gefitinib resistance, 58.4% (7/12) had increased WEE1 expression compared to its initial expression level. In order to explore the impact of WEE1 on chemo-response, WEE1 knockdown was conducted in EGFR-TKIs resistant H1299 and PC9/G2 cells. MTT and colony formation assay showed that the efficacy of cisplatin and gemcitabine was enhanced in the two cell lines after WEE1 knockdown. And, the IC50 value of cisplatin decreased from 8.64 μg/ml to 3.10 μg/ml or 2.38 μg/ml in H1299 and from 3.66 μg/ml to 0.97 μg/ml or 1.18 μg/ml in PC9/G2 after WEE1 knockdown with two specific shRNAs. This study revealed that WEE1 expression was increased after EGFR-TKIs resistance, and WEE1 knockdown could enhance chemosensitivity in EGFR-TKIs resistant NSCLC. It is suggested the combination of WEE1 inhibitor and chemotherapy might improve the clinical outcome of NSCLC patients with acquired EGFR-TKIs resistance."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.biopha.2019.109185"xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Cao Z."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Liu D."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Xu W."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Zhou X."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Wu C."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Wang N."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Ding X."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Lin G."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/author | "Su B."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/date | "2019"xsd:gYear |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/name | "Biomed Pharmacother"xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/pages | "109185"xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/title | "Enhancement of chemosensitivity by WEE1 inhibition in EGFR-TKIs resistant non-small cell lung cancer."xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://purl.uniprot.org/core/volume | "117"xsd:string |
| http://purl.uniprot.org/citations/31387179 | http://www.w3.org/2004/02/skos/core#exactMatch | http://purl.uniprot.org/pubmed/31387179 |
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