ArticleScientific reports2018
Experimental investigation of radiobiology in head and neck cancer cell lines as a function of HPV status, by MTT assay.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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.
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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.
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Who cites it
3 citing papers in PubMed, 12 citations in OpenAlex.
- Targeting PLK1 Reduces MMP10 to Enhance Radiosensitivity in HPV- Head and Neck Cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2026Article
- An anti-mesothelin targeting antibody drug conjugate induces pyroptosis and ignites antitumor immunity in mouse models of cancer.Journal for immunotherapy of cancer · 2023Article
- Human Papilloma Virus Increases ΔNp63α Expression in Head and Neck Squamous Cell Carcinoma.Frontiers in cellular and infection microbiology · 2020Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Head and neck cancers (HNCs) are aggressive epithelial tumours frequently treated using radiation. HNC biology shows distinctions dependent on the oncologic involvement of the human papilloma virus (HPV). Clinically, HPV positive HNCs respond better to radiotherapy but few in vitro data demonstrate radiobiological differences explaining differences in clinical outcomes. This pilot study examined radiobiological responses to irradiation and subsequent regeneration in two HNC cell lines (HPV positive and negative). A novel approach was taken to develop generational cultures of HNC cell lines, UM-SCC-1 (HPV negative) and UM-SCC-47 (HPV positive). MTT assays were used to determine surviving metabolic activity as a function of dose following 6 MV X-ray irradiation. Parallel cultures surviving 4 Gy irradiation (not analysed) were re-cultured and passaged to develop subsequent generations which were re-irradiated and analysed for generational change in radiation response. Second and 3rd generations of UM-SCC-1 showed decreasing metabolic activity with dose but little difference was evident in surviving fractions between these generations. Significantly lower metabolic activity in the 3rd generation at <6 Gy, compared to the 2nd generation, showed UM-SCC-47 becoming progressively more radiosensitive. HPV positive UM-SCC-47 showed generational progression in radiosensitisation not seen in the HPV negative UM-SCC-1.
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