VEGFR3 is required for button junction formation in lymphatic vessels.
VEGFR3 is required for button junction formation in lymphatic vessels.
复制标题
DOI:
10.1016/j.celrep.2023.112777
复制
发表时间:
2023-07-25
期刊:
影响因子:
8.8
通讯作者:
中科院分区:
文献类型:
--
作者:
Lymphatic capillaries develop discontinuous cell-cell junctions that permit the absorption of large macromolecules, chylomicrons, and fluid from the interstitium. While excessive vascular endothelial growth factor 2 (VEGFR2) signaling can remodel and seal these junctions, whether and how VEGFR3 can alter lymphatic junctions remains incompletely understood. Here, we use lymphatic-specific Flt4 knockout mice to investigate VEGFR3 signaling in lymphatic junctions. We show that loss of Flt4 prevents specialized button junction formation in multiple tissues and impairs interstitial absorption. Knockdown of FLT4 in human lymphatic endothelial cells results in impaired NOTCH1 expression and activation, and overexpression of the NOTCH1 intracellular domain in Flt4 knockout vessels rescues the formation of button junctions and absorption of interstitial molecules. Together, our data reveal a requirement for VEGFR3 and NOTCH1 signaling in the development of button junctions during postnatal development and may hold clinical relevance to lymphatic diseases with impaired VEGFR3 signaling. Lymphatic capillaries form discontinuous junctions called buttons to enable absorption of interstitial contents. Jannaway et al. show that vascular endothelial growth factor receptor 3 (VEGFR3) expression is required for the formation of button junctions and that NOTCH1 signaling can fully rescue button formation in the absence of VEGFR3.
登录
查看更多内容
影响因子:
15.9
作者:
Korhonen, Emilia A.;Murtomaki, Aino;Jha, Sawan Kumar;Anisimov, Andrey;Pink, Anne;Zhang, Yan;Stritt, Simon;Liaqat, Inam;Stanczuk, Lukas;Alderfer, Laura;Sun, Zhiliang;Kapiainen, Emmi;Singh, Abhishek;Sultan, Ibrahim;Lantta, Anni;Leppanen, Veli-Matti;Eklund, Lauri;He, Yulong;Augustin, Hellmut G.;Vaahtomeri, Kari;Saharinen, Pipsa;Makinen, Taija;Alitalo, Kari
通讯作者:
Alitalo, Kari
影响因子:
15.9
作者:
Bazigou, Eleni;Lyons, Oliver T. A.;Makinen, Taija
通讯作者:
Makinen, Taija
影响因子:
3.5
作者:
Ferrell, RE;Levinson, KL;Finegold, DN
通讯作者:
Finegold, DN
影响因子:
30.8
作者:
Karkkainen, MJ;Ferrell, RE;Finegold, DN
通讯作者:
Finegold, DN
影响因子:
15.9
作者:
Sabine, Amelie;Bovay, Esther;Petrova, Tatiana V.
通讯作者:
Petrova, Tatiana V.