Correlation of umbilical cord blood IL-25 and IL-33 with early infantile eczema

YANG Yunyue; WANG Wen'ge; TAN Hanxu; YANG Yunyan; LU Xujun

doi:10.11852/zgetbjzz2023-0115

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Chinese Journal of Child Health Care ›› 2024, Vol. 32 ›› Issue (2) : 196-201. DOI: 10.11852/zgetbjzz2023-0115

Clinical Research

Correlation of umbilical cord blood IL-25 and IL-33 with early infantile eczema

YANG Yunyue^1,2, WANG Wen'ge², TAN Hanxu², YANG Yunyan², LU Xujun²

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Abstract

Objective To investigate the correlation of the levels of interleukin-25 (IL-25) and interleukin-33 (IL-33) in cord blood with the development of infantile eczema within 42 days after birth, so as to provide theoretical support for the prevention of early infant eczema. Methods A total of 145 newborns who met the inclusion criteria and were born in the Obstetrics and Gynecology Department of the Air Force Special Medical Center from September 2020 to September 2021 were selected. Cord venous blood was collected at birth and the levels of IL-25 and IL-33 in cord blood were measured. The occurrence and severity of infantile eczema were recorded in 42 days. Results Among 145 infants, 79(54.5%) suffered from eczema. The level of IL-25 in cord blood in eczema group was significantly lower than that in non-eczema group (Z=4.957, P<0.001), and the level of IL-33 in cord blood in eczema group was significantly higher than that in non-eczema group (Z=4.594, P<0.001). The proportion of family history of allergy in the eczema group was significantly higher than that in non-eczema group (χ²=4.693, P<0.05). Logistic regression analysis showed that family history of allergy (OR=4.296), lower level of IL-25(＜14.5pg/mL) (OR=4.034) and higher level of IL-33(＞21.1pg/mL) (OR=2.759) in cord blood were risk factors for eczema (P<0.05), while birth weight was not associated with the onset of eczema in infants at 42 days (P>0.05). Meanwhile, the level of IL-33 in cord blood was related to the mode of delivery (P<0.05). ROC analysis showed that the optimized positive cutoff value was <14.0pg/mL for cord blood IL-25(sensitivity 62.0%, specificity 75.8%) and >22.1pg/mL for IL-33 (sensitivity 64.6%, specificity 69.7%). Spearman correlation test found that there was a linear correlation of the level of cord blood IL-33 with eczema area and severity index (EASI) score (r=0.398, P<0.01). Conclusion Family allergy history, lower level of cord blood IL-25 and higher level of cord blood IL-33 are important influencing factors of infant eczema in 42 days after birth, and higher level of cord blood IL-33 will aggravate the severity of early infantile eczema.

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cord blood / infant / eczema / interleukin-25 / interleukin-33

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YANG Yunyue, WANG Wen'ge, TAN Hanxu, YANG Yunyan, LU Xujun. Correlation of umbilical cord blood IL-25 and IL-33 with early infantile eczema[J]. Chinese Journal of Child Health Care. 2024, 32(2): 196-201 https://doi.org/10.11852/zgetbjzz2023-0115

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