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The relationship between bronchopulmonary dysplasia and SP-B intron 4 gene polymorphism in Mongolian and Han newborns in Inner Mongolia / 中国新生儿科杂志
Chinese Journal of Neonatology ; (6): 87-91, 2020.
Article in Chinese | WPRIM | ID: wpr-865207
ABSTRACT
Objective To study the relationship between pulmonary surfactant protein B (SP-B) intron 4 gene polymorphism and bronchopulmonary dysplasia (BPD) in premature infants.Method From January 2016 to January 2019,premature infants diagnosed with BPD in our hospital were selected as the BPD group,and non-BPD premature infants of the same ethnic group were selected as the control group.The genotype and allele distribution of SP-B intron 4 were analyzed using polymerase chain reaction (PCR)method.Result A total of 74 infants with BPD were included,including 30 Mongolian infants and 44 Han infants.A total of 134 cases were in the control group,including 56 Mongolian infants and 78 Han infants.Wild type and variant type (including insertion and deletion) could be detected in SP-B intron 4 gene in both Mongolian and Han infants.The frequencies of wild and variant genotypes and alleles in Mongolian BPD infants were similar with the control group [36.7% (11/30) vs.19.6% (11/56),21.7% (13/60) vs.12.5% (14/112)] (P > 0.05).The frequencies of wild and variant genotypes and alleles in Han infants with BPD were significantly different from the control group [31.8 % (14/44) vs.12.8 % (10/78),20.5 %(18/88)vs.7.1%(11/156)] (P<0.05).Conclusion The variation of intron 4 gene in SP-B may be related with the genetic susceptibility of Han infants with BPD in Inner Mongolia.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Neonatology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Neonatology Year: 2020 Type: Article