Role of Genetic Variants of Autophagy Genes in Susceptibility for Non-Medullary Thyroid Cancer and Patients Outcome |
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| Authors: | Theo S. Plantinga Esther van de Vosse Angelique Huijbers Mihai G. Netea Leo A. B. Joosten Jan W. A. Smit Romana T. Netea-Maier |
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| Affiliation: | 1. Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands.; 2. Division of Endocrinology, Radboud University Medical Centre, Nijmegen, The Netherlands.; 3. Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands.; University of Chicago, United States of America, |
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| Abstract: | Autophagy is a central process in regulation of cell survival, cell death and proliferation and plays an important role in carcinogenesis, including thyroid carcinoma. Genetic variation in autophagy components has been demonstrated to influence the capacity to execute autophagy and is associated with disease susceptibility, progression and outcome. In the present study, we assessed whether genetic variation in autophagy genes contributes to susceptibility to develop thyroid carcinoma, disease progression and/or patient outcome. The results indicate that patients carrying the ATG5 single nucleotide polymorphisms rs2245214 have a higher probability to develop thyroid carcinoma (OR 1.85 (95% CI 1.04–3.23), P = 0.042). In contrast, no significant differences could be observed for the other genetic variants studied in terms of thyroid carcinoma susceptibility. Furthermore, none of the selected genetic variants were associated with clinical parameters of disease progression and outcome. In conclusion, genetic variation in ATG5, a central player in the autophagy process, is found to be associated with increased susceptibility for thyroid carcinoma, indicating a role for autophagy in thyroid carcinogenesis. |
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