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2016 ; 19
(5
): 628-642
Nephropedia Template TP
gab.com Text
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English Wikipedia
Adventitial MSC-like Cells Are Progenitors of Vascular Smooth Muscle Cells and
Drive Vascular Calcification in Chronic Kidney Disease
#MMPMID27618218
Kramann R
; Goettsch C
; Wongboonsin J
; Iwata H
; Schneider RK
; Kuppe C
; Kaesler N
; Chang-Panesso M
; Machado FG
; Gratwohl S
; Madhurima K
; Hutcheson JD
; Jain S
; Aikawa E
; Humphreys BD
Cell Stem Cell
2016[Nov]; 19
(5
): 628-642
PMID27618218
show ga
Mesenchymal stem cell (MSC)-like cells reside in the vascular wall, but their
role in vascular regeneration and disease is poorly understood. Here, we show
that Gli1(+) cells located in the arterial adventitia are progenitors of vascular
smooth muscle cells and contribute to neointima formation and repair after acute
injury to the femoral artery. Genetic fate tracing indicates that adventitial
Gli1(+) MSC-like cells migrate into the media and neointima during athero- and
arteriosclerosis in ApoE(-/-) mice with chronic kidney disease. Our data indicate
that Gli1(+) cells are a major source of osteoblast-like cells during
calcification in the media and intima. Genetic ablation of Gli1(+) cells before
induction of kidney injury dramatically reduced the severity of vascular
calcification. These findings implicate Gli1(+) cells as critical adventitial
progenitors in vascular remodeling after acute and during chronic injury and
suggest that they may be relevant therapeutic targets for mitigation of vascular
calcification.