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Zumel-Marne Angela Kundi Michael Castaño-Vinyals Gemma Alguacil Juan Petridou Eleni Th Georgakis Marios K. Morales-Suárez-Varela Maria Sadetzki Siegal Piro Sara Nagrani Rajini Filippini Graziella Hutter Hans-Peter Dikshit Rajesh Woehrer Adelheid Maule Milena Weinmann Tobias Krewski Daniel ′t Mannetje Andrea Momoli Franco Lacour Brigitte Mattioli Stefano Spinelli John J. Ritvo Paul Remen Thomas Kojimahara Noriko Eng Amanda Thurston Angela Lim Hyungryul Ha Mina Yamaguchi Naohito Mohipp Charmaine Bouka Evdoxia Eastman Chelsea Vermeulen Roel Kromhout Hans Cardis Elisabeth 《Journal of neuro-oncology》2020,147(2):427-440
Journal of Neuro-Oncology - We used data from MOBI-Kids, a 14-country international collaborative case–control study of brain tumors (BTs), to study clinical characteristics of the tumors in... 相似文献
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L. Remen 《Clinical and experimental medicine》1932,81(1):223-226
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In the aetiology of head and neck squamous cell carcinoma (HNSCC), smoking and heavy alcohol consumption are the main environmental risk factors. The bleomycin (BLM) sensitivity assay is believed to measure environment-related cancer risks, mainly of HNSCC. Previously, we have shown that this method is only moderately sensitive to identify individuals at high risk for developing HNSCC, due to broad overlap of BLM-induced chromatid breaks per cell (b/c) between cancer patients and controls, and alcoholics with liver diseases. In the present study, we evaluated whether the differences between patients and controls are more manifested when the risks according to localization of HNSCC are examined. BLM sensitivity in lymphocytes of 278 patients with HNSCC at four different anatomical sites, and that of 356 frequency-matched controls was studied. There was a significant difference in BLM-induced b/c values between patients (1.11 b/c) and controls (0.97 b/c); however, considering all HNSCC cases, only 58.3% of patients and 43.3% of controls were mutagen sensitive. When the patients were distributed according to tumour sites, mutagen sensitivity of those with cancer of oral cavity, oropharynx and hypopharynx was significantly higher than that of the frequency-matched controls (1.12-1.14 b/c versus 1.00 b/c), while laryngeal tumour patients (1.05 b/c) did not differ from controls (1.00 b/c). When the associations between BLM sensitivity and the risk of HNSCC sites were examined, it was expressed mostly in patients with tumours of the oral cavity and oropharynx (OR = 1.97 and OR = 1.90), and not in patients with tumours of the hypopharynx and larynx. Though the mutagen sensitivity decreased from the oral cavity down to the larynx, indicating that the site-specific risks may differ, the BLM assay shows weak and controversial associations between mutagen sensitivity and cancer risk of patients even at specific HNSCC sites. 相似文献