刘媛玲++++++黄晓芬++++++聂石婵++++++陈彩香++++++黄平
[摘要]意图 探討年纪和月经周期对人血清糖链多肽抗原125(CA125)、人附睾蛋白4(HE4)的影响。办法 挑选2015年1月~2016年8月于我院体检中心进行查看的健康女人160例,分为绝经前组114例,绝经后组46例,绝经前组依照年纪分为≤35岁组61例和>35岁组53例,比较绝经前组月经周期不同阶段血清CA125、HE4水平,并比较≤35岁组、>35岁组月经周期不同阶段和绝经后组血清CA125、HE4水平。成果 绝经前组月经周期不同阶段血清CA125水平差异无统计学含义(P>0.05),血清HE4水平差异有统计学含义(P<0.05),其间黄体期与卵泡期差异无统计学含义(P>0.05),卵泡期、黄体期均低于排卵期,差异均有统计学含义(P<0.05);≤35岁组排卵期血清HE4水均匀高于卵泡期和黄体期(P<0.05),>35岁组月经周期各个阶段血清HE4水平差异均无统计学含义(P>0.05),血清CA125水平在≤35岁组月经周期各个阶段之间、>35岁组月经周期各个阶段之间差异均无统计学含义(P>0.05)。血清CA125、HE4水平绝经期高于绝经前组月经周期各个阶段,差异有统计学含义(P<0.05)。定论 健康女人血清HE4水平遭到月经周期和年纪的影响,血清CA125水平受年纪的影响,临床在界定HE4、CA125的确诊阈值时应充分考虑这些要素。
[关键词]肿瘤标志物;糖链多肽抗原125;人附睾蛋白4;年纪;月经周期
[中图分类号] R711.51 [文献标识码] A [文章编号] 1674-4721(2017)07(a)-0094-04
Efficacy of age and menstrual cycles on human serum HE4 and CA125 levels
LIU Yuan-ling1 HUANG Xiao-fen1 NIE Shi-chan2 CHEN Cai-xiang1 HUANG Ping1
1.Department of Gynecology and Obstetrics,Songgang People′s Hospital of Baoan District in Guangdong Province,Shenzhen 518105,China;2.Department of Laboratory,Songgang People′s Hospital of Baoan District in Guangdong Province,Shenzhen 518105,China
[Abstract]Objective To investigate the effects of age and menstrual cycle in human serum carbohydrate antigen 125 (CA125) and the human epididymis protein 4 (HE4).Methods 160 healthy women checked physical examination center in our hospital from January 2015 to August 2015 were divided into premenopause group (114 cases) and control group (46 cases),the premenopause group was divided into two groups,age≤35 years old (61 cases) and age>35 years old (53 cases).Serum CA125 and HE4 levels at different stages during menstrul cycle of the groups were compared,serum CA125 and HE4 levels of the groups≤35 years old and>35 years old at different stages during menstrul cycle were compared.Results There was no statistically significant difference in serum CA125 level of the premenopause group at different stages during the menstrual cycle (P>0.05),and there was statistically significant difference in serum HE4 level (P<0.05),compared the luteal phase with the follicular phase,there was not statistically significant difference (P>0.05),the follicular phase and the luteal phase were lower than those of the ovulation phase,the differences were statistically significant (P<0.05);the serum HE4 level in the ovulation phase of the women of the group≤35 years old were higher than that of the women in the follicular phase and the luteal phase (P<0.05),and there were no statistically significant difference in serum HE4 level at various stages during the menstrual cycle of the group >35 years old at various stages during the menstrual cycle (P>0.05).There were no statistically significant differences in serum CA125 level at various stages during the menstrual cycle of the group≤35 years old and the group>35 years old at various stages during the menstrual cycle.The serum CA125 and HE4 levels in the menopause were higher than those at various stages during the menstrual cycle of the premenopause (P<0.05),the difference was statistically significant.Conclusion The serum HE4 level of healthy women is affected by the menstrual cycle and age,the serum CA125 level is influenced by age,the clinical definition of HE4 and CA125 in diagnosis of threshold should be considered these factors.
[Key words]Tumor markers;Carbohydrate antigen 125;Human epididymis protein 4;Age;The menstrual cycle
糖链多肽抗原125(carbohydrate antigen 125,CA125)是由体腔上皮细胞排泄的一种大分子多聚糖蛋白,也是现在妇科疾病诊治中常用的血清学目标,尽管敏感性较高,但在多种恶性肿瘤中均呈高表达,特异性较差[1]。寻觅一种新的肿瘤标志物与CA125联合使用以进步对妇科良恶性疾病辨别确诊率是近年研讨的热门。人附睾蛋白4(human epididymal protein 4,HE4)是近年使用于临床的新的肿瘤标志物,现在HE4与CA125联合在卵巢癌、子宫内膜癌等妇科恶性肿瘤中的辨别确诊中使用较多[2-3]。有研讨发现人血清CA125水平遭到月经周期的影响而发作规律性的动摇[4],但血清HE4水平与生理周期的联系国内外报导不多,本研讨经过检测不同年纪、月经周期不同女人血清CA125、HE4水平,以评论年纪和生理周期对上述两组肿瘤标志物血清水平的影响,现报导如下。
1材料与办法
1.1一般材料
挑选2015年1月~2016年8月于我院体检中心进行查看的健康女人160例。月经周期正常女人114例(绝经前组),年纪22~48岁,均匀(32.8±8.4)岁,其间≤35岁者61例(≤35岁组),>35岁者53例(>35组);绝经后女人46例(绝经后组),年纪46~68岁,均匀(58.4±9.2)岁。一切当选研讨目标均无糖尿病、高血压等缓慢疾病,试验室各项血液生化、惯例、病毒血清学查看均为阴性,腹部、盆腔超声及胸部X线摄片查看均无反常,并可扫除妊娠、哺乳期和口服雌激素制剂的女人。绝经前组于月经周期第21天测定黄体酮水平断定排卵。本研讨取得我院道德委员会的赞同,一切当选研讨目标均知情赞同,并签署协议书。
1.2办法
1.2.1标本的收集 对绝经前组别离于月经周期的卵泡期、排卵期和黄体期抽取上午空腹静脉血4 ml,室温下静置60 min,以3000 r/min的转速离心10 min,别离血清置于聚丙烯EP管内,置于冰箱内-80℃低温保存待测。绝经组于体检当日上午采纳空腹静脉血进行上述处理。
1.2.2血清CA125、HE4水平检测 血清CA125、HE4水平检测均使用罗氏确诊公司出产的罗氏e601 全自动电化学发光免疫剖析体系,CA125试剂盒为罗氏公司配套试剂盒(批号:50321M500),HE4试剂盒购自瑞典康乃格确诊产品公司(批号:HL2015073)。以上均严厉依照试剂盒操作说明书进行。正常参考值:CA125為0~35 IU/ml,HE4绝经前为0~68 pmol/L,绝经后为0~114 pmol/L。比较绝经前月经周期不同阶段血清CA125、HE4水平,并比较绝经前≤35岁组、>35岁组和绝经组上述目标。
1.3统计学办法
使用SPSS 20.0软件剖析各组数据,计量材料以均数±标准差(x±s)表明,组间比较选用t查验,多组比较选用方差剖析,组间两两比较选用q查验,以P<0.05为差异有统计学含义。
2成果
2.1绝经前组月经周期不同阶段血清CA125、HE4水平
绝经前组月经周期不同阶段血清CA125水平差异无统计学含义(P>0.05),血清HE4水平差异有统计学含义(P<0.05),其间黄体期与卵泡期比较差异无统计学含义(P>0.05),卵泡期、黄体期均低于排卵期,差异均有统计学含义(P<0.05)(表1)。
2.2绝经前组和绝经后组血清CA125、HE4水平
≤35岁组排卵期血清HE4水均匀高于卵泡期和黄体期(P<0.05),差异有统计学含义,>35岁组月经周期各个阶段血清HE4水平差异均无统计学含义(P>0.05),血清CA125水平在≤35岁组月经周期各个阶段之间、>35岁组月经周期各个阶段之间差异均无统计学含义(P>0.05)。血清CA125、HE4水平绝经后组高于绝经前组月经周期各个阶段,差异有统计学含义(P<0.05)(表2)。
3评论
CA125是Bast等学者于1981年首要发现的一种糖类抗原[5],之后逐步在卵巢癌监测、辅佐确诊和效果判别方面推广使用。但在后来的研讨中发现,CA125不但在卵巢癌患者血清呈高表达,在子宫内膜癌、输卵管癌、肺癌、胃癌、肾癌等其他原发恶性肿瘤中含量也明显添加,并在盆腔炎、子宫腺肌症等妇科良性疾病患者的血清中含量也添加。由于CA125过低的特异性,其在恶性肿瘤辨别确诊中的使用遭到限制[6-7]。HE4是Schumrner等[8]学者于1999年研讨发现的一种新式肿瘤标志物,在卵巢癌安排和患者血清中呈高表达,在卵巢良性病变、卵巢低度恶性病变和正常卵巢安排中不表达,多项研讨提示CA125和HE4在卵巢癌的确诊和病况监测方面有重要价值[9-10]。
本研讨评论了女人生理周期对血清CA125、HE4的影响,发现在生理周期的各个阶段血清CA125水平未发作动摇,而血清HE4水平在排卵期较高,卵泡期明显低于排卵期,尽管与黄体期比较差异无统计学含义,但仍然显现了动摇的趋势,说明晰健康女人血清HE4水平在月经周期的不同阶段是发作动摇的,这一发现和Presl等[11]的研讨成果是共同的,该研讨也以为在月经周期的不同阶段某些肿瘤标志物水平可能会发作动摇,而血清HE4水平与排卵期最低,但详细机制并未说明,大都学者以为发作这一现象的最可能原由于月经周期不同阶段类固醇激素水平的动摇。本研讨对绝经前组以35岁为边界,依照年纪进行了分组,发现≤35岁组血清HE4水平在月经周期不同阶段动摇较大,卵泡期最低,而>35岁组未发作动摇,年青女人卵泡功用更为活泼,性激素排泄更为旺盛,进一步提示月经周期中性激素水平的改变导致了血清HE4水平的动摇。本研讨还发现血清CA125水平在两组研讨目标中均未随月经周期发作动摇,与Kafali等[12]研讨成果不共同,可能与该研讨当选目标可能兼并某些症状较轻的炎症性疾病有关,也可能与不同地域、不同种族女人、体质和饮食习惯的差异有关。本研讨还发现绝经组血清CA125、HE4水平别离高于绝经前月经周期的各个阶段,而>35岁月经周期各个阶段的测定值也别离高于≤35岁组的相应阶段,尽管差异并无统计学含义,但也反响了上述两种肿瘤血清标志物随年纪添加而改变的趋势。马潇潇等[13]的研讨发现育龄期健康女人血清HE4水平在月经周期不同阶段发作动摇,而血清CA125水平在月经周期各个阶段无明显改变,与本研讨成果共同,但该研讨并未进一步评论年纪对上述两种肿瘤标志物的影响。
在女人月经周期的各个阶段均排泄卵巢激素和促性腺激素,这些激素的很多添加可能会对包含HE4在内的多种卵巢相关性抗原发生效果,特别雌二醇、孕酮的这样的卵巢激素可能按捺包含HE4在内的肿瘤抗原的发生[14-15],导致其血清水平的下降。而绝经后女人卵巢功用下降,卵巢激素排泄逐漸削减,对肿瘤抗原的发生起到按捺效果削弱,导致了血清HE4水平的升高,详细机制有待于进一步评论。
综上所述,健康女人血清HE4水平遭到月经周期和年纪的影响,血清CA125水平受年纪的影响,临床在界定HE4、CA125的确诊阈值时应充分考虑这些要素。
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(收稿日期:2017-03-21 本文修改:马 越)
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