Due largely to the ubiquitous availability of gynecologic and cosmetic surgeries, women tend to have more chance than men to receive surgery. Accumulating evidence indicates that surgery promotes the development of tumor and matastasis. Endometriosis and cancer share several features, and the negative impact of surgery on cancer development and metastasis is largely attributable to the impaired cell-mediated immunity due to surgery. We have recently reported that surgery accelerates the development of endometriosis. We propose to further determine that which time window in the development of endometriosis is the most susceptible to the negative effect of surgery, to explore the underlying molecular biological mechanisms, to investigate whether the peri-operative administration of β adrenergic receptor antagonists and/or andrographolide (Andro) can rectify impaired cell-mediated immunity and improved angiogenesis, to investigate whether peri-operative β blockade and/or Andro could reduce the promoting effect of surgery and, for endometriosis-removing surgery, the risk of recurrence. In addition, we propose to determine the relationship, if any, between laparoscopy on the type of endometriosis, demographic characteristics, surgical parameters and the extent of stress and of impairment of immunity. This study will elucidate the mechanism of the impact of surgery on the development of endometriosis and try to find counter-measures for feasible intervention. It will provide a invaluable guide for the choice of best modality for the management of endometriosis through, hopefully, devising individualized surgical and care plan, improving prognosis and reducing the risk recurrence.
由于妇科及美容手术的普及,女性接受手术的几率更高。研究表明,手术能通过降低细胞免疫等机制促进肿瘤的进展和转移,但手术对内异症的影响知之甚少。内异症与肿瘤有诸多共性,我们也最近报道了手术能促进内异症病灶的发展。我们拟进一步确定在内异症发生发展的哪个阶段对手术的影响最敏感,探讨手术促进内异症进程的分子生物学机制,评价围术期β受体拮抗剂或/和穿心莲内酯对术后细胞免疫、血管生成、应激的影响以及作用机制,研究其能否降低手术对内异症的促进作用,研究内异症手术围术期β受体拮抗剂和穿心莲内脂是否会降低或消除复发的风险,并确定不同类型内异症及rASRM分期等临床因素以及手术变量和应激水平及免疫功能变化的相关。本研究将阐明手术影响内异症发生发展的机制,研究可行的干预方法,对指导临床实践,选择合适的方式治疗内异症,设计个体化的手术方案,并采取措施减小手术治疗的负面影响,改善预后,将会有一定的指导意义。
子宫内膜异位症(endometriosis,EM)是育龄妇女最常见的疾病之一, 是痛经、不孕等症状的一个主要病因,其患病率可达6-15%。它虽是一种良性疾病,但具有侵袭、转移、复发等恶性生物学行为。其发病机制尚不明确,药物治疗效果欠佳,手术有疗效但术后复发率高,为妇科一棘手疾病。如何通过改变围术期的一些影响因素,从而改善肿瘤患者的预后,近几年来引起了高度关注。我们发表的动物实验及流行病学研究表明:手术应激的确促进了EM病灶的发展,从而增加了EM发生的风险。然而,如何进行围术期干预,从而降低EM发复发风险,我们还是了解甚少。..本项目的研究目标是:..1) 研究手术应激对EM发生、发展的影响,及其促进EM发展的分子生物学机制;.2) 确定围术期使用β受体拮抗剂或/和穿心莲内酯能否降低抑或消除手术应激对EM病灶的促进作用,并确定围术期使用β受体拮抗剂或/和穿心莲内酯能否有效降低或消除EM复发的风险;.3) 确定不同类型EM及rASRM分期等临床因素以及手术变量和应激水平及免疫功能变化的相关关系。..我们的研究发现,除了β受体拮抗剂或/和穿心莲内酯,在围术期服用P物质受体NK1R的抑制剂,也可以具有降低EM术后复发风险。更令人鼓舞的是,术前服用酮咯酸—一种在临床中常用的止痛药物且副作用较小,亦可显著降低复发风险。我们的这些发现,已经在申请专利并已经投稿。 ..我们还在小鼠模型中研究了不同手术方式(激光、冷刀)对复发的影响,发现激光手术对复发的影响较低,但未达到统计学意义。 此外,我们已经收集了600多例EM的复发数据,这些数据正在整理分析中,拟在下个月递交发表。
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数据更新时间:2023-05-31
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