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2018 ; 8
(1
): 3983
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gab.com Text
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Global Gene Expression Analysis in an in vitro Fibroblast Model of Idiopathic
Pulmonary Fibrosis Reveals Potential Role for CXCL14/CXCR4
#MMPMID29507348
Rodriguez LR
; Emblom-Callahan M
; Chhina M
; Bui S
; Aljeburry B
; Tran LH
; Novak R
; Lemma M
; Nathan SD
; Grant GM
Sci Rep
2018[Mar]; 8
(1
): 3983
PMID29507348
show ga
Idiopathic Pulmonary Fibrosis (IPF) is a progressive disorder that is marked by
an over accumulation of activated fibroblast populations. Despite the improved
understanding of many mechanisms within this disease, global gene expression
analysis has few focused studies on the fibroblast, the central effector cell of
progressive fibrosis. We present a unique analysis of IPF pulmonary fibroblasts
as they transition through cell culture and identify in vitro altered cellular
processes. Fibroblasts were isolated from diseased (n?=?8) and non-diseased
(n?=?4) lungs. Global gene expression analysis was carried out at the initial
point of isolation and after 3 weeks of culture. We identify several genes that
are altered by removal of the fibroblast from the IPF environment. Comparison of
this subset of genes to four previously published whole lung analyses refined our
list to a small subset of key fibroblast specific genes important in IPF.
Application of STRING database analysis and confirmation via in-vitro and
histological assay highlights the CXCL14/CXCR4 chemokine axis with a possible
role in the progression and/or activation of fibroblasts within the IPF lung. Our
findings, present a possible therapeutic target for IPF and a model for the study
and discovery of novel protein and processes in this terrible disease.