MAPK/ERK 信号通路:RAS–RAF–MEK–ERK 级联调控、细胞功能输出与研究工具应用
细胞受到 EGF、FGF、PDGF 等生长因子刺激后,为什么能在数分钟内出现 ERK 磷酸化,并在数小时到数天内改变增殖、分化、迁移或存活状态?在肿瘤细胞中,为什么一个 KRAS 或 BRAF 突变就可能持续驱动细胞增殖和药物耐受?这些问题的核心都指向同一条经典信号轴:MAPK/ERK ...
用于检测、定量和定位抗原与抗体的技术——ELISA、免疫印迹、免疫组化与流式细胞术。以下是我们知识库中标注该主题的实验方案、常见问题与技术文章。
细胞受到 EGF、FGF、PDGF 等生长因子刺激后,为什么能在数分钟内出现 ERK 磷酸化,并在数小时到数天内改变增殖、分化、迁移或存活状态?在肿瘤细胞中,为什么一个 KRAS 或 BRAF 突变就可能持续驱动细胞增殖和药物耐受?这些问题的核心都指向同一条经典信号轴:MAPK/ERK ...
After cells are stimulated by growth factors such as EGF, FGF, and PDGF, why can ERK phosphorylation occur within minutes, while cellular proliferation, differentiation, migration, or survival states change over hours to days? In tumor cells, why can a single KRAS or BRAF mutation continuously ...
FGF(fibroblast growth factor)通路是多细胞生物中最重要的生长因子信号网络之一,贯穿胚胎发育、组织稳态、代谢调节、损伤修复与肿瘤进展等多个层面。
The FGF (fibroblast growth factor) pathway is one of the most important growth factor signaling networks in multicellular organisms, spanning embryonic development, tissue homeostasis, metabolic regulation, injury repair, and tumor progression.
Angiogenesis is the process by which new microvessels form from an existing vascular network. It is jointly regulated by soluble pro-angiogenic and anti-angiogenic factors, cytokines, protease systems, extracellular matrix (ECM) components, and adhesion molecules. Angiogenesis is ...
血管生成是机体在既有血管网络基础上形成新生微血管的过程,受可溶性生长因子与抑制因子、细胞因子、蛋白酶系统、细胞外基质及黏附分子等多因素协同调控。该过程在胚胎发育、组织修复与再生中具有生理必要性,但在肿瘤进展、糖尿病并发症、慢性炎症与眼底新生血管等病理情境中常发生失衡。阐明关键血管生成因子的信号轴及其网络互作,是建立可靠的检测策略、体外体内模型、药物筛选体系与靶向干预方案的重要基础。 ...
Which cytokines show cross-species activity?
哪些细胞因子显示跨物种活性?
常与免疫学实验一起研究的技术。