EPISODE · Jun 9, 2026 · 17 MIN
1102-VEGFR2在VEGF-C诱导淋巴管出芽中的关键作用
from 聊聊Sci
这项研究揭示了VEGFR2受体在淋巴管生成，特别是淋巴管分支抽丝（sprouting）过程中的关键性作用。通过高精度的条件性基因缺失实验，研究人员发现虽然单独激活VEGFR2不足以诱导淋巴管生长，但其缺失会导致淋巴内皮细胞在响应VEGF-C信号时无法形成新的分支。实验进一步表明，VEGFR2与VEGFR3及PI3Kα共同协作，通过精密的受体协调机制平衡细胞的增殖与抽丝反应。这种协同作用确保了淋巴内皮细胞的扩张与血管生长同步，从而构建出具有完整功能的淋巴管网络。该发现不仅完善了淋巴发育的分子理论，还为通过靶向VEGFR2通路治疗炎症或癌症相关的病理性淋巴管增生提供了新的医疗思路。References:Schoofs H, Zhang Y, Ortsäter H, et al. VEGFR2 is required for VEGF-C–VEGFR3–PI3Kα-mediated sprouting lymphangiogenesis[J]. Nature Communications, 2026, 17(1): 4380.前往小宇宙评论区与主播互动
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1102-VEGFR2在VEGF-C诱导淋巴管出芽中的关键作用
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