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2020 ; 30
(9
): 794-809
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Immunity-and-matrix-regulatory cells derived from human embryonic stem cells
safely and effectively treat mouse lung injury and fibrosis
#MMPMID32546764
Wu J
; Song D
; Li Z
; Guo B
; Xiao Y
; Liu W
; Liang L
; Feng C
; Gao T
; Chen Y
; Li Y
; Wang Z
; Wen J
; Yang S
; Liu P
; Wang L
; Wang Y
; Peng L
; Stacey GN
; Hu Z
; Feng G
; Li W
; Huo Y
; Jin R
; Shyh-Chang N
; Zhou Q
; Wang L
; Hu B
; Dai H
; Hao J
Cell Res
2020[Sep]; 30
(9
): 794-809
PMID32546764
show ga
Lung injury and fibrosis represent the most significant outcomes of severe and
acute lung disorders, including COVID-19. However, there are still no effective
drugs to treat lung injury and fibrosis. In this study, we report the generation
of clinical-grade human embryonic stem cells (hESCs)-derived immunity- and
matrix-regulatory cells (IMRCs) produced under good manufacturing practice
requirements, that can treat lung injury and fibrosis in vivo. We generate IMRCs
by sequentially differentiating hESCs with serum-free reagents. IMRCs possess a
unique gene expression profile distinct from that of umbilical cord mesenchymal
stem cells (UCMSCs), such as higher expression levels of proliferative,
immunomodulatory and anti-fibrotic genes. Moreover, intravenous delivery of IMRCs
inhibits both pulmonary inflammation and fibrosis in mouse models of lung injury,
and significantly improves the survival rate of the recipient mice in a
dose-dependent manner, likely through paracrine regulatory mechanisms. IMRCs are
superior to both primary UCMSCs and the FDA-approved drug pirfenidone, with an
excellent efficacy and safety profile in mice and monkeys. In light of public
health crises involving pneumonia, acute lung injury and acute respiratory
distress syndrome, our findings suggest that IMRCs are ready for clinical trials
on lung disorders.