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Supplementary Material for: Effect of Germline MEFV polymorphisms on the prognosis of Japanese children with cancer: A regional analysis

posted on 10.05.2022, 15:12 by Hasegawa M., Fukushima H., Suzuki R., Yamaki Y., Hosaka S., Inaba M., Nakao T., Kobayashi C., Yoshimi A., Tsuchida M., Koike K., Fukushima T., Takada H.
Introduction: MEFV is the gene responsible for familial Mediterranean fever (FMF). It encodes pyrin, which controls inflammation; Besides, previous studies have reported that some germline MEFV variants were associated with tumour susceptibility. Materials and Methods: The loci of 12 germline MEFV variants were genotyped in 153 Japanese children with cancer, and the frequencies of these variants among the patient groups were compared with those in the general Japanese population. Additionally, the relationship between these variants and clinical data, including relapse and death, was investigated. Results: Minor allele frequencies did not differ between patients and the general population, or between sex, age at diagnosis, and diagnosis among patients. P369S/R408Q associated with significantly lower relapse-free survival in all patient analyses and in patients with solid tumours. Additionally, although the results were not significant, E148Q/L110P was likely to associate with worse relapse-free survival in patients with solid tumours. Discussion/Conclusion: Despite several limitations, this study provided the novel insight that the germline MEFV variants are associated with the clinical outcome of paediatric cancer.


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