The UIP/IPF fibroblastic focus is a collagen biosynthesis factory embedded in a distinct extracellular matrix.

The UIP/IPF fibroblastic focus is a collagen biosynthesis factory embedded in a distinct extracellular matrix.
复制标题

UIP/IPF成纤维细胞焦点是嵌合在不同细胞外基质中的胶原蛋白生物合成工厂。

DOI:
10.1172/jci.insight.156115
复制
发表时间:
2022-08-22
期刊:
影响因子:
8
通讯作者:
Schwartz, Martin A.
Schwartz, Martin A.
中科院分区:
医学1区
文献类型:
--
作者:
Herrera, Jeremy A.;Dingle, Lewis;Montero, M. Angeles;Venkateswaran, Rajamiyer V.;Blaikley, John F.;Lawless, Craig;Schwartz, Martin A.

文献摘要

参考文献

被引文献

相似文献

普通型间质性肺炎(UIP)是特发性肺纤维化(IPF)的组织学特征。UIP表现为斑片状,组织学正常,邻近致密的纤维组织。在这个界面,纤维母细胞灶(FF)存在,是肌成纤维细胞和细胞外基质(ECM)聚集的地方。应用激光捕获显微解剖耦合质谱仪,对6例纤维性肺纤维化(UIP/IPF)标本和6例非纤维化肺泡标本的FF、邻近的成熟瘢痕和邻近的肺泡进行了询问。对数据进行定性和定量分析,并进行组织学验证。我们发现,纤维化的肺泡蛋白特征被定义为免疫放松作为最强的类别。纤维性成熟瘢痕被归类为终末期纤维化,而与非纤维化对照相比,纤维化成熟瘢痕中含有过多的独特的ECM。此外,FF的TGFB1和TGFB3均为阳性,而异常基底细胞衬里的FF主要为TGFB2阳性。总之,空间蛋白质组学显示UIP/IPF组织的组织学定义区域具有不同的蛋白质组成。这些数据表明,Ff是胶原生物合成的主要部位,相邻的肺泡是异常的。这一重要信息将为未来纤维化进展的机制研究提供信息。
Usual interstitial pneumonia (UIP) is a histological pattern characteristic of idiopathic pulmonary fibrosis (IPF). The UIP pattern is patchy with histologically normal lung adjacent to dense fibrotic tissue. At this interface, fibroblastic foci (FF) are present and are sites where myofibroblasts and extracellular matrix (ECM) accumulate. Utilizing laser capture microdissection-coupled mass spectrometry, we interrogated the FF, adjacent mature scar, and adjacent alveoli in 6 fibrotic (UIP/IPF) specimens plus 6 nonfibrotic alveolar specimens as controls. The data were subjected to qualitative and quantitative analysis and histologically validated. We found that the fibrotic alveoli protein signature is defined by immune deregulation as the strongest category. The fibrotic mature scar classified as end-stage fibrosis whereas the FF contained an overabundance of a distinctive ECM compared with the nonfibrotic control. Furthermore, FF were positive for both TGFB1 and TGFB3, whereas the aberrant basaloid cell lining of FF was predominantly positive for TGFB2. In conclusion, spatial proteomics demonstrated distinct protein compositions in the histologically defined regions of UIP/IPF tissue. These data revealed that FF are the main site of collagen biosynthesis and that the adjacent alveoli are abnormal. This essential information will inform future mechanistic studies on fibrosis progression.
DOI: 10.1371/journal.pone.0121314
发表时间: 2015
期刊: PloS one
影响因子: 3.7
作者:
Bausch-Fluck D;Hofmann A;Bock T;Frei AP;Cerciello F;Jacobs A;Moest H;Omasits U;Gundry RL;Yoon C;Schiess R;Schmidt A;Mirkowska P;Härtlová A;Van Eyk JE;Bourquin JP;Aebersold R;Boheler KR;Zandstra P;Wollscheid B
通讯作者: Wollscheid B
DOI: 10.3389/fmed.2018.00043
发表时间: 2018
影响因子: 3.9
作者:
Desai O;Winkler J;Minasyan M;Herzog EL
通讯作者: Herzog EL
DOI: 10.3390/molecules26041123
发表时间: 2021-02-20
期刊: Molecules (Basel, Switzerland)
影响因子: --
作者:
Cui Y;Ji J;Hou J;Tan Y;Han X
通讯作者: Han X
DOI: 10.1159/000492019
发表时间: 2018-01-01
影响因子: --
作者:
Basson, Marc D.;Wang, Qinggang;Kiupel, Matti
通讯作者: Kiupel, Matti
DOI: 10.1164/rccm.201204-0754oc
发表时间: 2012-11-01
影响因子: 24.7
作者:
Booth, Adam J.;Hadley, Ryan;White, Eric S.
通讯作者: White, Eric S.