当前位置:首页>南京>IF=11.3 南京大学医学院:邻苯二甲酸酯暴露促进子宫内膜异位症的机制研究:基于铁死亡的视角

IF=11.3 南京大学医学院:邻苯二甲酸酯暴露促进子宫内膜异位症的机制研究:基于铁死亡的视角

  • 2026-06-01 08:10:52
IF=11.3 南京大学医学院:邻苯二甲酸酯暴露促进子宫内膜异位症的机制研究:基于铁死亡的视角
摘要:
  邻苯二甲酸酯(PAEs)是典型的内分泌干扰化学物质(EDCs),在人体内积累以诱导生殖毒性,与子宫内膜异位症(EM)有流行病学上的联系,但其背后的微观机制尚不明确。铁剥蚀是 EM 的关键病理驱动因子,但将 PAE 暴露、铁凋亡与 EM 联系起来的研究仍然不充分。本研究整合了体质 RNA-seq、scRNA-seq 和空间转录组学数据,结合网络毒理学、多组学分析、分子对接和临床验证,系统性地探讨 PAE 暴露如何从铁剥落的角度促进 EM 的机制。首先,多种机器学习方法识别 ARF6 是 PAE 暴露下铁剥蚀相关的关键基因(FRG)。ARF6 在干扰 EM 的免疫微环境中发挥潜在作用,从而为促进上皮-间充质转变(EMT)创造条件。具体来说,本研究发现 ARF6 表达与上皮干(腔膜+纤毛)和间充质(成纤维细胞)丰度呈正相关。因此,本研究构建了一个 EMT 模型,表示“ARF6 表达高,促进 EM 中 Lumenal + Ciliated → Fibros”。随后,scTenifoldKnk 算法被用于对纤维化细胞中的 ARF6 进行虚拟敲除,以研究其下游铁磷脂症基因的干扰效应。结果显示,受扰基因在对氧化应激的反应中显著富集,揭示了 ARF6 在 EMT 中介导铁剥蚀机制的作用,并最终提出了“PAEs-铁消亡-EMT-子宫内膜异位症”轴。 总之,这些发现不仅基于“PAEs-EM”轴确定了 EM 的新治疗靶点,也为 EM 提供了环境暴露预防视角。
结果:
图1 图形摘要
图2 PAES/EM-FRGs的鉴定
图3 使用多种机器学习算法识别暴露于PAEs的集线器FRG
图4 单细胞转录组图谱
图5 EPI亚型的注释和细胞追踪分析
图6 MSC亚型的注释和GSVA分析
图7 EPI/MSC亚型的伪时间分析
图8 空间转录组学和免疫荧光共定位揭示了ARF6介导的EM中上皮-间质转化的空间分子机制
图9 利用模拟敲除和分子对接揭示ARF6促进EM的潜在机制
结论:
本研究通过整合网络毒理学、多组学数据、机器学习及临床样本验证,系统揭示了邻苯二甲酸酯(PAEs)暴露通过铁死亡途径促进子宫内膜异位症(EM)的分子机制。研究发现ARF6是PAEs暴露下调控EM的关键铁死亡相关基因,其表达异常可破坏免疫微环境,并驱动“Lumenal + Ciliated → Fibros”的特异性上皮-间质转化(EMT)过程。通过虚拟敲除与分子对接,证实ARF6介导铁死亡相关氧化应激通路,且与多种PAEs单体具有直接结合能力。最终提出“PAEs-铁死亡-EMT-EM”致病轴,为EM的环境暴露预防及靶向ARF6的治疗策略提供了新依据。
文章信息:
Wang H, Wu F, Li Y, Chen H, Wang X, Sun Z, Gu N, Zhu Y. Mechanism study of phthalate exposure promoting endometriosis: Based on the ferroptosis perspective. J Hazard Mater. 2026 Apr 1;507:141670. doi: 10.1016/j.jhazmat.2026.141670                                                                        . Epub 2026 Mar 2. PMID: 41791190.

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  1. CONNECT:[ UseTime:0.000666s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000803s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.008344s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001651s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000504s ]
  6. SELECT * FROM `set` [ RunTime:0.022124s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000758s ]
  8. SELECT * FROM `article` WHERE `id` = 562389 LIMIT 1 [ RunTime:0.030435s ]
  9. UPDATE `article` SET `lasttime` = 1780568203 WHERE `id` = 562389 [ RunTime:0.011437s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.034338s ]
  11. SELECT * FROM `article` WHERE `id` < 562389 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.008920s ]
  12. SELECT * FROM `article` WHERE `id` > 562389 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000937s ]
  13. SELECT * FROM `article` WHERE `id` < 562389 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.021049s ]
  14. SELECT * FROM `article` WHERE `id` < 562389 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.076648s ]
  15. SELECT * FROM `article` WHERE `id` < 562389 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.039411s ]
0.326787s