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2017 ; 6
(ä): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Human and nonhuman primate meninges harbor lymphatic vessels that can be
visualized noninvasively by MRI
#MMPMID28971799
Absinta M
; Ha SK
; Nair G
; Sati P
; Luciano NJ
; Palisoc M
; Louveau A
; Zaghloul KA
; Pittaluga S
; Kipnis J
; Reich DS
Elife
2017[Oct]; 6
(ä): ä PMID28971799
show ga
Here, we report the existence of meningeal lymphatic vessels in human and
nonhuman primates (common marmoset monkeys) and the feasibility of noninvasively
imaging and mapping them in vivo with high-resolution, clinical MRI. On T2-FLAIR
and T1-weighted black-blood imaging, lymphatic vessels enhance with gadobutrol, a
gadolinium-based contrast agent with high propensity to extravasate across a
permeable capillary endothelial barrier, but not with gadofosveset, a blood-pool
contrast agent. The topography of these vessels, running alongside dural venous
sinuses, recapitulates the meningeal lymphatic system of rodents. In primates,
meningeal lymphatics display a typical panel of lymphatic endothelial markers by
immunohistochemistry. This discovery holds promise for better understanding the
normal physiology of lymphatic drainage from the central nervous system and
potential aberrations in neurological diseases.