乳腺癌背景下人体钡、锶和锰含量失衡
- 作者: Sarf E.A.1, Bel’skaya L.V.1
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隶属关系:
- Omsk State Pedagogical University
- 期: 卷 32, 编号 3 (2025)
- 页面: 172-181
- 栏目: ORIGINAL STUDY ARTICLES
- URL: https://journal-vniispk.ru/1728-0869/article/view/314580
- DOI: https://doi.org/10.17816/humeco678136
- EDN: https://elibrary.ru/OIITDG
- ID: 314580
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论证。在多种污染因素中,重金属对人体的影响是一项重要问题,因为其在体内的失衡可能具有潜在危害,而高浓度则可能导致包括肿瘤在内的严重疾病。
目的。以乳腺癌为例,分析唾液中重金属(锶、锰、钡)含量与职业条件及肿瘤性疾病之间的关系。
方法。本研究为单中心横断面观察性对照研究。主研究组纳入标准包括:女性;年龄为30–70岁;确诊为浸润性乳腺癌(第1亚组)或良性乳腺疾病(第2亚组);研究时未接受任何治疗,包括手术、化疗或放疗;无活动性感染迹象,包括化脓性疾病;已完成口腔卫生处理。纳入标准如下:对照组为无职业性有害暴露的健康女性;比较组为在热电厂工作的女性。所有受试者的唾液样本均采用毛细管电泳法测定锶、钡和锰的含量。
结果。在主研究组的第1亚组中共纳入110名乳腺癌患者,平均年龄为58.4±9.38岁。第2亚组包括62名乳腺纤维腺瘤患者(46.7±13岁)。对照组包括97名健康女性(48.2±7.95岁), 比较组包括41名热电厂工作人员(47.5±9.88岁)。在第1亚组患者的唾液中观察到锶和锰含量升高。第1亚组中锰浓度的升高与对照组(+117%,p=0.0452)和比较组(+105.2%)相比具有统计学意义。在对照组女性的唾液中未检测到锶,而在第1亚组患者唾液中的锶浓度是比较组的3.5倍(p< 0.001)。各组间唾液中钡含量无显著差异。乳腺癌分期和侵袭性程度越高,唾液中锰和锶的浓度也随之显著升高。
结论。与在职业性有害环境中工作的女性唾液样本相比,本研究结果提示,重金属的来源可能并非外部环境,而是体内微量元素的内源性失衡所致。在乳腺癌进展过程中,锶和锰正是在唾液中被观察到积累。
作者简介
Elena A. Sarf
Omsk State Pedagogical University
Email: nemcha@mail.ru
ORCID iD: 0000-0003-4918-6937
SPIN 代码: 9161-0264
俄罗斯联邦, Omsk
Lyudmila V. Bel’skaya
Omsk State Pedagogical University
编辑信件的主要联系方式.
Email: belskaya@omgpu.ru
ORCID iD: 0000-0002-6147-4854
SPIN 代码: 4189-7899
Cand. Sci. (Chemistry)
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