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    請使用永久網址來引用或連結此文件: https://ir.lib.ncu.edu.tw/handle/987654321/109753


    題名: 運用生物資訊學平台探討子宮內膜異位症之分子機制與其候選藥物篩選;Bioinformatics-Based Exploration of Molecular Mechanisms and Potential Candidate Drug Screening in Endometriosis
    作者: 李伊檸;LEE, I-NING
    貢獻者: 生醫科學與工程學系人工智慧精準醫療碩士在職專班
    關鍵詞: 子宮內膜異位症;細胞外基質;免疫微環境;補體系統;自然殺手細胞;生物資訊學;Endometriosis;Extracellular matrix;Immune microenvironment;Complement system;Natural killer cells;Bioinformatics
    日期: 2026-07-22
    上傳時間: 2026-10-20 14:22:12 (UTC+8)
    出版者: 國立中央大學
    摘要: 子宮內膜異位症(endometriosis)為一種雌激素依賴性慢性發炎疾病,儘管其病理進程已被廣泛探討,但病灶局部的微環境重塑與免疫逃逸機制仍未完全闡明。為探究其核心致病機制,本研究整合三組 GEO 微陣列(microarray)資料集,鑑定出 231 個一致性的差異表達基因(differentially expressed genes, DEGs)。功能富集分析顯示,DEGs 高度集中於「細胞外微環境重塑」與「補體級聯活化」。獨立的CIBERSORTx 分析揭示,病灶呈現高度免疫抑制(immunosuppressive)狀態,特徵為活化型自然殺手細胞(natural killer cell, NK cell)顯著減少及 M2 型巨噬細胞(M2 macrophage)浸潤趨勢增加。結合蛋白質交互作用(protein-protein interactions, PPI)網路,本研究篩選出 10 個核心分泌蛋白並提出調控模型:病灶可能透過 FMOD 與 PRELP 介導補體驅動的免疫逃逸(誘導 NK 細胞失能並阻斷膜攻擊複合體 [membrane attack complex, MAC] 形成);同時藉由 LTBP2、MFAP4 與 DCN 之間的交互作用調節 TGF-b 的生物可利用性,進而驅動組織纖維化與局部免疫逃逸。最後,L1000CDS2 藥物重定位預測出 HDAC 抑制劑(histone deacetylases inhibitors, HDAC inhibitors)(如 Trichostatin A)與蛋白質合成抑制劑(如具備阻斷囊泡運輸作用的 Brefeldin A)為潛在候選藥物,有望藉此干預調節病灶的「表觀遺傳失調」與「高分泌表型」。總結而言,本研究透過生物資訊分析,初步描繪出由細胞外分泌蛋白主導的微環境重塑機制,建立了「細胞外基質異常」與「局部免疫失能」之間的初步理論連結,並為未來非荷爾蒙標靶治療提供了客觀的數據參考依據。;Endometriosis is an estrogen-dependent chronic inflammatory disease; despite extensive pathological research, mechanisms underlying lesional microenvironment remodeling and immune evasion remain incompletely elucidated. To explore its core pathogenic network, this study integrated three GEO microarray datasets, identifying 231 consistent differentially expressed genes (DEGs). Functional enrichment showed these DEGs heavily concentrate in "extracellular microenvironment remodeling" and "complement cascade activation". Independent CIBERSORTx analysis revealed a highly immunosuppressive lesional state, characterized by significantly decreased activated natural killer (NK) cells and increased M2 macrophage infiltration. Integrating protein-protein interactions (PPI) networks, this study screened 10 core secreted proteins and proposed a regulatory model: lesions may mediate complement-driven immune evasion via FMOD and PRELP (inducing NK cell exhaustion and blocking membrane attack complex [MAC] formation); simultaneously, through LTBP2, MFAP4, and DCN interactions, lesions modulate TGF-b bioavailability to drive tissue fibrosis and local immune evasion. Finally, L1000CDS2 drug repurposing predicted histone deacetylases (HDAC) inhibitor (e.g., Trichostatin A) and protein synthesis inhibitors (e.g., Brefeldin A, a vesicle transport blocker) as potential candidates to modulate lesional "epigenetic dysregulation" and "hyper-secretory phenotype". In conclusion, this bioinformatics study delineates an extracellular secreted protein-driven microenvironment remodeling network, theoretically linking "extracellular matrix abnormalities" with "local immune dysfunction," providing objective data for future non-hormonal targeted therapies.
    顯示於類別:[人工智慧精準醫療碩士在職專班] 博碩士論文

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