ArticleHead & neck2019
PI3-kinase pathway biomarkers in oral cancer and tumor immune cells.
Article in Head & neck, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Prognostic Role of the Activated p-AKT Molecule in Various Hematologic Malignancies and Solid Tumors: A Meta-Analysis.Frontiers in oncology · 2020Pooled it
- Review
- Overcoming Resistance to Immune Checkpoint Inhibitors in Head and Neck Squamous Cell Carcinomas.Frontiers in oncology · 2021Review
- ΔNp63α promotes the expression and nuclear translocation of PTEN, leading to cisplatin resistance in oral cancer cells.American journal of translational research · 2020Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundThis study investigated the hypothesis that phosphoinositide 3-kinase (PI3-kinase) pathway dysregulation in either head and neck cancer cells and/or tumor infiltrating immune cells would influence outcomes of patients with surgically treated oral tongue squamous cell carcinomas (SCC).
methodsWe constructed tissue microarrays containing 123 oral tongue SCC samples and performed immunohistochemistry using antibodies against 7 PI3-kinase pathway markers: phosphatase and tensin homolog (PTEN), Akt, p-Akt, mammalian target of rapamycin (mTOR), phosphorylated-mammalian target of rapamycin (p-mTOR), survivin, and Ki-67). Expression levels in cancer cells or tumor infiltrating immune cells were correlated with outcomes.
resultsHigher levels of PTEN expression in immune cells were significantly associated with improved recurrence-free survival (heart rate (HR) = 0.45, 95% confidence interval (CI) 0.23-0.90, P = .03), and overall survival (HR = 0.34, 95% CI 0.15-0.76, P = .01) on univariate and multicovariate models.
conclusionsWe identified a novel, negative prognostic role of PI3-kinase activation (as determined by PTEN loss) in oral SCC infiltrating immune cells. These findings could be relevant for clinical development of PI-3 kinase inhibitors for this disease.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.