实用医学杂志 ›› 2025, Vol. 41 ›› Issue (17): 2748-2754.doi: 10.3969/j.issn.1006-5725.2025.17.020

• 医学检查与临床诊断 • 上一篇    下一篇

子宫颈鳞状上皮内病变中DHCR24蛋白的表达及其诊断价值

张弛1,杜靖然1,廖定准2,张昌林1,杨峥2,李田1()   

  1. 1.中山大学附属第七医院 妇产科 (广东 深圳 518107 )
    2.中山大学附属第七医院 病理科 (广东 深圳 518107 )
  • 收稿日期:2024-12-12 出版日期:2025-09-10 发布日期:2025-09-05
  • 通讯作者: 李田 E-mail:sandylitian@126.com
  • 基金资助:
    国家自然科学基金面上项目(82172883);广东省基础与应用基础研究基金项目(2022A1515012444)

Expression characteristics and diagnostic value of DHCR24 protein in cervical squamous intraepithelial lesions

Chi ZHANG1,Jingran DU1,Dingzhun LIAO2,Changlin ZHANG1,Zheng YANG2,Tian LI1()   

  1. The Seventh Affiliated Hospital of Sun Yat?sen University,Department of Gynecology,Shenzhen 518107,Guangdong,China
  • Received:2024-12-12 Online:2025-09-10 Published:2025-09-05
  • Contact: Tian LI E-mail:sandylitian@126.com

摘要:

目的 探究Δ(24)-胆甾醇还原酶(DHCR24)在子宫颈鳞状上皮内病变(SILs)组织中的表达及其在SILs病理诊断中的价值。 方法 采用免疫组织化学方法定量检测DHCR24、p16及Ki-67在51例正常宫颈组织,44例LSIL 和57例HSIL 中的表达,绘制受试者工作特征曲线(ROC)分析DHCR24、p16及Ki-67蛋白评估SILs分级的诊断效能。 结果 DHCR24、p16、Ki-67蛋白表达水平与SILs进展均呈正相关;ROC 结果显示,DHCR24在正常宫颈组织与LSIL之间的免疫组化评分截断值为0.114 5,LSIL与HSIL间截断值为0.196 9,在诊断LSIL时敏感度为79.55%,高于p16及Ki-67的15.91%与18.08%(P < 0.05);DHCR24与p16联合鉴别正常宫颈组织与LSIL组织的ROC曲线下面积(AUC)为0.932(95%CI:0.878 ~ 0.986),高于p16与Ki-67联合的0.861(95%CI:0.785 ~ 0.936);DHCR24与p16联合鉴别LSIL与HSIL的AUC为0.971(95%CI:0.946 ~ 0.997),高于p16与Ki-67联合的0.870(95%CI:0.790 ~ 0.949)。 结论 DHCR24与p16蛋白表达水平均可为SILs的分级提供参考依据,且二者联合可提高诊断效率;DHCR24免疫组化染色强度绘制的ROC曲线所衍生的截断值可以提高LSIL诊断的敏感度。

关键词: 子宫颈鳞状上皮内病变, Δ(24)-胆甾醇还原酶, p16

Abstract:

Objective To investigate the expression of Delta (24)-cholesteryl reductase (DHCR24) proteins in cervical squamous intraepithelial lesions (SILs) tissues and its value in different cervical lesion pathological diagnosis. Methods The expression of DHCR24, p16, and Ki-67 was quantitatively detected by immunohistochemistry in 51 normal cervical tissues, 44 LSILs, and 57 HSILs. The receiver operating characteristic (ROC) curve was drawn to analyze the diagnostic efficacy of DHCR24, p16, and Ki-67 proteins in evaluating the degree of SILs. Results The expression levels of DHCR24, p16 and Ki-67 protein were positively correlated with the progression of SILs (P < 0.05). ROC analysis showed that the immunohistochemistry score cutoff value for DHCR24 between normal cervical tissue and LSIL was 0.1145, and between LSIL and HSIL was 0.1969. The sensitivity of DHCR24 in diagnosing LSIL was 79.55%, higher than that for p16 and Ki-67, which was 15.91% and 18.08%(P < 0.05). The area under the ROC curve (AUC) for distinguishing normal cervical tissue from LSIL using a combination of DHCR24 and p16 was 0.932(95%CI:0.878 ~ 0.986), higher than that for p16 and Ki-67 combined, which was 0.861(95%CI:0.785 ~ 0.936). The AUC for distinguishing LSIL from HSIL using a combination of DHCR24 and p16 was0.971(95%CI:0.946 ~ 0.997), higher than that for p16 and Ki-67 combined, which was 0.870(95%CI:0.790 ~ 0.949). Conclusions Both DHCR24 and p16 protein expression levels can provide reference for the grading of SILs, and their combination can improve the diagnostic efficiency. The cutoff value derived from the ROC curve plotted by DHCR24 immunohistochemical staining intensity can improve the sensitivity of LSIL diagnosis.

Key words: cervical squamous intraepithelial lesions, delta (24)-cholesteryl reductase, p16

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