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題 名 | Analysis of Spatial Transcriptomics of MARCH5 and Its Potential Role in Cell Proliferation in Breast Cancers=MARCH5之空間轉錄體學分析及其對乳癌細胞增殖的潛在作用 |
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作 者 | 林宏昱; 陳正德; 何惠雯; 朱旆億; | 書刊名 | 秀傳醫學雜誌 |
卷 期 | 22:3 2023.12[民112.12] |
頁 次 | 頁356-366 |
分類號 | 416.2352 |
關鍵詞 | 乳癌; 空間轉錄體學; 診斷; 預後; 增生; 細胞週期; Breast cancer; MARCH5; Spatial transcriptomics; Diagnosis; Prognosis; Proliferation; Cell cycle; |
語 文 | 英文(English) |
DOI | 10.30185/SCMJ.202312_22(3).0007 |
中文摘要 | 乳癌是最常見的癌症,也是全球女性患者癌症相關死亡的主因。MARCH5通過其E3連接酶活性在維持粒線體適應性、動態和質量控制方面發揮關鍵作用。然而,尚未確定MARCH5在人類乳癌中的空間表達及其可能導致癌症進展的機制。使用來自TCGA樣本的RNA-seq數據源確認了診斷功效和預後價值。在Linkedomics伺服器上分析MARCH5和基因集富集分析的共表達基因,以確定關鍵途徑。通過Pearson相關係數分析確定MARCH5與癌症增殖和細胞週期相關的生物標誌物之間的關聯。使用空間轉錄體學方法確定具有高分辨率組織成像的定量基因表達。乳癌組織顯示出比正常組織更高的MARCH5表達。各種截止值的特異性高於0.75。發現高MARCH5表達與降低的總生存時間有關。在肺腺癌、胰腺導管腺癌和腎透明細胞癌等其他癌症中觀察到了泛化價值。DNA複製被確定為由MARCH5及其共表達基因激活的關鍵途徑之一。乳癌中的MARCH5表達與細胞週期生物標誌物呈正相關,包括Ki-67、PCNA、MCM2、CDK4、CDK2和CDK1。空間轉錄體學分析表明,高量MARCH5與MCM2在人類乳癌腫瘤中同時表達。總之,空間轉錄體學證實了人類乳癌中的高MARCH5表達與增殖生物標誌物同時存在。高表達MARCH5可作為乳癌的臨床生物標誌物,具有良好的診斷效果並預測不良結果。MARCH5參與激活細胞週期是乳癌進展的因素之一。 |
英文摘要 | Breast cancer (BC) is the most frequently occurring cancer and is the leading cause of cancer-related deaths in females worldwide. MARCH5 plays a key role in maintaining mitochondrial fitness, dynamics and quality control via its E3 ligase activity. However, the spatial expression of MARCH5 in human BC and mechanisms that account for cancer progression have yet to be determined. The diagnostic efficacy and prognostic value are confirmed using RNA-seq data source from TCGA samples. The co-expression genes for MARCH5 and Gene Set Enrichment Analysis are analyzed on a Linckedomics server to identify the key pathway. The relationship between MARCH5 and biomarkers that are relevant to cancer proliferation and the cell cycle are determined using the Pearson correlation. Quantitative gene expression with high-resolution tissue imaging is determined using spatial transcriptomics. BC tissues exhibit higher MARCH5 expression than normal tissues. The specificity over various cutoffs is more than 0.75. High MARCH5 expression is associated with decreased overall survival time. The generalization value is observed in other cancers, such as lung adenocarcinoma, pancreatic ductal adenocarcinoma and renal clear cell carcinoma. DNA replication is one key pathway that is activated by MARCH5 and its co-expression genes. MARCH5 expression in BC has a positive correlation with cell cycle biomarkers, including Ki-67, PCNA, MCM2, CDK4, CDK2 and CDK1. Spatial transcriptomic analysis shows that high levels of MARCH5 are concurrently expressed with MCM2 in a human BC tumor. In conclusion, spatial transcriptomics corroborates high MARCH5 expression concurrently with a proliferation biomarker in human BC. High MARCH5 is a clinical biomarker for BC that has good diagnostic efficacy and a good ability to predict an unfavorable outcome. The role of MARCH5 in activating cell cycle is key to the progression of BC. |
本系統中英文摘要資訊取自各篇刊載內容。