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Neuroblastoma is the most common seen solid neural tumor in children less than age one. As mutation in the  miR-34b/c  gene is observed in several types of human malignancies, there likely to be similar events that contribute to the pathogenesis of neuroblastoma. We hypothesize that polymorphism in the  miR-34b/c  gene might predispose to neuroblastoma. Here, we conducted this replication study by genotyping rs4938723 T>C from  miR-34b/c  in Hunan children (162 subjects with neuroblastoma and 270 control subjects) and examined its effect on the risk of neuroblastoma. We determined such association using logistic regression, adjusted for age and gender. Relative to those with TT genotype, subjects with C allele had reduced neuroblastoma risk (TC vs. TT: adjusted OR = 0.46, 95%CI = 0.30‐0.71; additive model: adjusted OR = 0.64, 95%CI = 0.47‐0.88; TC/CC vs. TT: adjusted OR = 0.49, 95%CI = 0.33‐0.73). Stratified analysis revealed that rs4938723 TC/CC carriers were less likely to develop neuroblastoma for patients in the subgroups of age ≤ 18 months, age > 18 months, females, males, tumors in retroperitoneal, tumors in other sites, and clinical stages II, III, IV, and III+IV. Our findings verified  miR-34b/c  rs4938723 C variant allele as a protective factor for the risk of neuroblastoma. Further investigation of how  miR-34b/c  rs4938723 T>C might modify neuroblastoma risk is warranted.

miR-34b/crs4938723 T>C Decreases Neuroblastoma Risk: A Replication Study in the Hunan Children