ArticleClinical & experimental metastasis2011
Biomarkers of metastatic potential in cultured adenocarcinoma clones.
Article in Clinical & experimental metastasis, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 12 citations in OpenAlex.
- Nucleolin and nucleophosmin expression patterns in pulmonary adenocarcinoma invading the pleura and in pleural malignant mesothelioma.Thoracic cancer · 2020Article
- Mapping the interactome of overexpressed RAF kinase inhibitor protein in a gastric cancer cell line.BMC cancer · 2013Article
- RKIP and 14-3-3ε exert an opposite effect on human gastric cancer cells SGC7901 by regulating the ERK/MAPK pathway differently.Digestive diseases and sciences · 2013Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two-dimensional isoelectric focusing and gel electrophoresis followed by mass spectrometry were used to detect, measure, and identify changes in protein expression correlated with differences in the metastatic potential of cultured rat mammary adenocarcinoma cells. MTC is a non-metastatic cell clone derived from a primary tumor. MTLn2 and MTLn3 are low and high metastatic potential cell clones derived from lung metastases of the primary tumor. A total of 1,500 proteins was detected. The patterns of protein expression of MTLn2 and MTLn3 cells were similar. Only five spots had a threefold or greater statistically significant difference in staining intensity between MTLn2 and MTLn3 cells, whereas 70 spots differed between MTC and MTLn3 cells. Twenty spots were selected for further study, ten that had a positive correlation of staining intensity with metastatic potential and ten that had a negative (inverse) correlation. Of the 17 unique proteins that were identified, five have often been cited as tumor biomarkers. These included the positive biomarkers nucleophosmin (NPM) and 14-3-3 protein sigma and the negative biomarkers raf kinase inhibitor protein (RKIP), peroxiredoxin-2, and galectin-1. The only identified protein that was markedly higher in MTLn3 cells than in the less-metastatic MTLn2 cells was 14-3-3 protein sigma. The results indicate that increased metastatic potential is associated with positive and negative changes in expression of particular proteins. Proteins that are positively correlated with metastatic potential may prove more useful as clinical biomarkers, but those with negative correlations may still provide useful information about underlying mechanisms of metastatic spread.
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