ArticleThe pharmacogenomics journal2019
Association of BRCA1, ERCC1, RAP80, PKM2, RRM1, RRM2, TS, TSP1, and TXR1 mRNA expression levels between primary tumors and infiltrated regional lymph nodes in patients with resectable non-small cell lung cancer.
Article in The pharmacogenomics journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- MiR-1286 inhibits lung cancer growth through aerobic glycolysis by targeting PKM2.Archives of medical science : AMS · 2023Article
- Downregulation of ATM and BRCA1 Predicts Poor Outcome in Head and Neck Cancer: Implications for ATM-Targeted Therapy.Journal of personalized medicine · 2021Article
- Identification of crucial genes associated with lung adenocarcinoma by bioinformatic analysis.Medicine · 2020Observational
- A new normalization for Nanostring nCounter gene expression data.Nucleic acids research · 2019Article
- A Six-Gene Signature Predicts Survival of Adenocarcinoma Type of Non-Small-Cell Lung Cancer Patients: A Comprehensive Study Based on Integrated Analysis and Weighted Gene Coexpression Network.BioMed research international · 2019Article
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Authors and funding
13 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Differences in gene expression levels between the primary tumors (PTs) and matched regional lymph nodal metastases (LNs) in patients with totally excised non-small cell lung cancer (NSCLC) were explored. Microdissected formalin-fixed paraffin-embedded (FFPE) samples from (PT) and their matched infiltrated LNs, from 239 patients [183 (with matched PT and LNs samples)-case and 56 PT only samples-control cohorts] were analyzed for BRCA1, ERCC1, RAP80, PKM2, RRM1, RRM2, TS, TSP1, and TXR1 mRNA expression by quantitative real-time polymerase-chain reaction (PCR). Moderately positive correlation between the expression of each gene in the PT and the matched LNs was observed. Concordance rates between the PT and the LNs were: BRCA1 (67.7%), ERCC1 (68.4%), PKM2 (63.4%), RAP80 (68.8%), RRM1 (70.9%), RRM2 (69%), TS (72.9%), TSP1 (69.8%), TXR1 (63.7%). Expression levels and their differences were correlated with Relapse-Free Survival (RFS) and Overall Survival (OS). High BRCA1 PT in patients with squamous histology was associated with increased OS (p = 0.036). High TSP1 PT levels were shown to be the only independent prognostic factor for OS and RFS (p = 0.023 and p = 0.007). PKM2 low levels in both PT and matched LNs were associated with better OS irrespective of the underlying histology (p = 0.031). RRM1 discordant levels between PT and matched LNs were associated with worse OS in squamous tumors (p = 0.019) compared to patients with both low expression in PT and LN.TXR1 high levels in both PT and matched LNs were associated with better OS in patients with squamous tumors (p = 0.007).These findings indicate that there is different gene expression between PT and matched LNs which may affect the outcome in early NSCLC and therefore PT's molecular biology should not be the sole determinant for prognostication.
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