Low
Together, three different models of impaired meningeal lymphatic function (pharmacological, surgical and genetic) showed a significant impact on brain perfusion by CSF macromolecules PubMed:30046111
Moreover, viral expression of mVEGF-C did not significantly affect the diameter of meningeal lymphatic vessels, the level of amyloid-β in the CSF, or amyloid-β deposition in the hippocampus (Extended Data Fig. 8g–n) PubMed:30046111
Notably, along with the lower influx of Gd into the parenchyma, we observed higher contrast in signal intensity (over approximately 52 min) in the ventricles of visudyne-treated mice, suggesting that Gd accumulation in the CSF occurred (Extended Data Fig. 3n) PubMed:30046111
Treatment of young mice with AAV1-CM-mVEGF-C resulted in a significant increase in meningeal lymphatic vessel diameter, without affecting blood vessel coverage (Extended Data Fig. 6k–m) PubMed:30046111
Treatment of old mice (at 20–24 months) with AAV1-CMV-mVEGF-C also resulted in increased lymphatic vessel diameter (compared to AAV1-CMV-eGFP) without detectable off-target effects on the meningeal blood vasculature coverage and on meningeal and/or brain vascular haemodynamics (Fig. 2e–h and Extended Data Fig. 6n–p) PubMed:30046111
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If you find BEL Commons useful in your work, please consider citing: Hoyt, C. T., Domingo-Fernández, D., & Hofmann-Apitius, M. (2018). BEL Commons: an environment for exploration and analysis of networks encoded in Biological Expression Language. Database, 2018(3), 1–11.