Kisspeptin对鉴别下丘脑-垂体-性腺轴启动与否的价值

doi:10.11852/zgetbjzz2024-0325

中国儿童保健杂志 ›› 2024, Vol. 32 ›› Issue (11): 1196-1200.DOI: 10.11852/zgetbjzz2024-0325

Kisspeptin对鉴别下丘脑-垂体-性腺轴启动与否的价值

欧阳力雪^1,2, 且迪^1,2, 杨凡^1,2

1.四川大学华西第二医院儿科,四川成都 610041;
2.四川大学出生缺陷与相关妇儿疾病教育部重点实验室,四川成都 610041

收稿日期:2024-03-25 修回日期:2024-06-04 发布日期:2024-11-04 出版日期:2024-11-10
通讯作者: 杨凡,E-mail:yangfanfan163163@163.com
作者简介:欧阳力雪(1991-),女,硕士学位,主治医师,主要研究方向为儿童生长发育及相关障碍性疾病。
基金资助:
四川大学科研项目经费(22H1545)

Value of serum levels of kisspeptin in distinguishing the activation of hypothalamic-pituitary-gonadal axis

OUYANG Lixue^1,2, QIE Di^1,2, YANG Fan^1,2

1. Department of Pediatrics,West China Second University Hospital,Sichuan University,Chengdu,Sichuan 610041, China;
2. Key Laboratory of Birth Defects and Related Diseases of Women and Children,Ministry of Education,Sichuan University,Chengdu,Sichuan 610041,China

Received:2024-03-25 Revised:2024-06-04 Online:2024-11-10 Published:2024-11-04
Contact: YANG Fan,E-mail:yangfanfan163163@163.com

摘要/Abstract

摘要： 目的探讨kisspeptin在鉴别下丘脑-垂体-性腺轴(HPGA)启动与否中的作用,以期简化性早熟的诊断流程。方法选取四川大学华西第二医院儿科门诊2021年6月-2023年6月初诊以乳房发育为主诉的54名女童作为研究对象,进行体格检查、实验室检查和影像学检查等,采用酶联免疫吸附测定(ELISA)试剂盒检测kisspeptin水平。采用受试者工作特征曲线(ROC)确定kisspeptin在鉴别HPGA启动与否中的价值。结果中枢性性早熟(CPP)组、快进展型青春期(RPP)组以及单纯乳房早发育(PT)组的kisspeptin水平差异有统计学意义(H=14.147,P=0.003)。Spearman相关性分析结果显示,kisspeptin水平与身高、体重、骨龄、基础黄体生长素(LH)、基础卵泡刺激素(FSH)、促性腺激素释放激素(GnRH)激发试验的LH峰值以及LH/FSH峰值比呈正相关(P<0.05),其中与LH峰值(r_s=0.479)及LH/FSH峰值比(r_s=0.507)的相关系数最大;ROC曲线结果显示,kisspeptin的曲线下面积(AUC)为0.702(95%CI:0.570~0.834),当截点值为310.38ng/mL时,Youden指数最大(0.418),此时的敏感度和特异度分别为81.8%和60.0%。结论 Kisspeptin在鉴别HPGA启动与否中有一定的诊断意义,可以作为HPGA启动与否的辅助诊断指标或初筛指标,为今后简化性早熟的诊断提供一定的参考和方向。

关键词: kisspeptin, 中枢性性早熟, 快进展型青春期, 下丘脑-垂体-性腺轴, ROC曲线

Abstract: Objective To explore the role of kisspeptin in identifying the activation of the hypothalamic-pituitary-gonadal axis (HPGA),in order to simplify the diagnostic process for precocious puberty. Methods A total of 54 girls who presented with breast development as the main complaint in the pediatric outpatient clinic of West China Second Hospital from June 2021 to June 2023 were selected as the study subjects.Physical examination,laboratory tests,and imaging examinations were conducted.The level of kisspeptin was detected using an enzyme-linked immunosorbent assay (ELISA) kit.The diagnostic value of kisspeptin in discerning the initiation of HPGA was determined via receiver operating characteristic (ROC) curve analysis. Results Significant differences in kisspeptin levels were observed among central precocious puberty (CPP),rapidly progressive puberty (RPP),and premature thelarche (PT) groups (H=14.147,P=0.003).Spearman correlation analysis revealed positive correlations between kisspeptin level and parameters such as height,weight,bone age,basal luteinizing hormone(LH),basal follicle-stimulating hormone(FSH),peak LH in gonadotropin-releasing hormone (GnRH) stimulation test,and LH/FSH peak ratio (P<0.05),with the largest correlation coefficients for LH peak (r_s=0.479) and LH/FSH peak ratio (r_s=0.507).The ROC curve showed that the area under the curve (AUC) of kisspeptin was 0.702 (95%CI:0.570 - 0.834).When the cut-off value was 310.38ng/mL,the Youden index was maximized (0.418),with a sensitivity and specificity of 81.8% and 60.0%,respectively. Conclusion Kisspeptin has diagnostic significance in differentiating the initiation of HPGA,and it can be used as an auxiliary diagnostic indicator or preliminary screening indicator,which can provide certain references and direction for simplifying the diagnosis procedure of precocious puberty in the future.

Key words: kisspeptin, central precocious puberty, rapidly progressive puberty, hypothalamic-pituitary-gonadal axis, ROC curve

中图分类号:

R725.8

欧阳力雪, 且迪, 杨凡. Kisspeptin对鉴别下丘脑-垂体-性腺轴启动与否的价值[J]. 中国儿童保健杂志, 2024, 32(11): 1196-1200.

OUYANG Lixue, QIE Di, YANG Fan. Value of serum levels of kisspeptin in distinguishing the activation of hypothalamic-pituitary-gonadal axis[J]. Chinese Journal of Child Health Care, 2024, 32(11): 1196-1200.

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Kisspeptin对鉴别下丘脑-垂体-性腺轴启动与否的价值

Value of serum levels of kisspeptin in distinguishing the activation of hypothalamic-pituitary-gonadal axis

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