酸性细胞外微环境调节基因的临床意义
Yasumasa Kato1, Kotori Mawatari1
1Department of Oral Function and Molecular Biology, Ohu University School of Dentistry, Koriyama, Japan.
Frontiers in oncology
|October 7, 2024
概括
细胞外酸化会改变黑色素瘤细胞中的基因表达,影响瘤预后. 了解这些依赖pH的基因变化可以为新的癌症化疗策略提供信息.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物信息学是一种生物信息学.
背景情况:
- 细胞外pH值 (pHe) 在瘤中是酸性的.
- 研究了轻度 (pH 6.8) 和严重 (pH 5.9) 酸化对小鼠黑色素瘤细胞基因表达的影响.
- 将研究结果与人类瘤数据进行比较.
研究的目的:
- 分析细胞外酸化对B16-BL6黑色素瘤细胞基因表达的影响.
- 为了将pH调节的基因表达与瘤预后和人类癌症的病理分期相关联.
- 探索化学疗法策略中的潜在应用.
主要方法:
- 利用cDNA微阵列分析来评估不同pH值 (7.4,6.8,5.9) 处理的细胞中的mRNA表达.
- 进行生物信息分析,包括热图,火山图和基因本体学丰富.
- 与公共数据集相关联的基因表达数据 (GSE52031,GSE8401),病理阶段 (GEPIA2) 和蛋白质存活数据 (人类蛋白质图谱).
主要成果:
- 轻度和严重的酸性结核都在黑色素瘤细胞中差异调节基因表达.
- 在酸性pH水平上确定了大量上调和下调的基因.
- 在不同癌症类型中发现了酸性pH调节基因表达和整体存活率之间的不同相关性,在结肠直肠,肺癌和头癌中影响更大.
结论:
- 细胞外酸化显著影响黑色素瘤细胞基因表达.
- 取决于pH的基因表达和预后之间的关系因瘤类型而异.
- 根据瘤对细胞外pH值的反应对瘤进行分类,可能会提供新的化疗方法.
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