Abstract:
BACKGROUND:Inhibitor of DNA binding 1 (Id1) is a nuclear protein containing a basic helix-loop-helix (bHLH) domain that regulates cell growth by selective binding and prevention of gene transcription. Sources of Id1 production in rheumatoid arthritis synovial tissue (RA ST) and its range of functional effects in RA remain to be clarified. METHODS:We analyzed Id1 produced from synovial fibroblasts and endothelial cells (ECs) with histology and real-time polymerase chain reaction (RT-PCR). Fibroblast supernatants subjected to differential centrifugation to isolate and purify exosomes were measured for Id1 by enzyme-linked immunosorbent assay (ELISA). Western blotting of Id1-stimulated ECs was performed to determine the kinetics of intracellular protein phosphorylation. EC intracellular signaling pathways induced by Id1 were subsequently targeted with silencing RNA (siRNA) for angiogenesis inhibition. RESULTS:By PCR and histologic analysis, we found that the primary source of Id1 in STs is from activated fibroblasts that correlate with inflammatory scores in human RA ST and in joints from K/BxN serum-induced mice. Normal (NL) and RA synovial fibroblasts increase Id1 production with stimulation by transforming growth factor beta (TGF-β). Most of the Id1 released by RA synovial fibroblasts is contained within exosomes. Endothelial progenitor cells (EPCs) and human dermal microvascular ECs (HMVECs) activate the Jnk signaling pathway in response to Id1, and Jnk siRNA reverses Id1-induced HMVEC vessel formation in Matrigel plugs in vivo. CONCLUSIONS:Id1 is a pleotropic molecule affecting angiogenesis, vasculogenesis, and fibrosis. Our data shows that Id1 is not only an important nuclear protein, but also can be released from fibroblasts via exosomes. The ability of extracellular Id1 to activate signaling pathways expands the role of Id1 in the orchestration of tissue inflammation.
journal_name
Arthritis Res Therjournal_title
Arthritis research & therapyauthors
Edhayan G,Ohara RA,Stinson WA,Amin MA,Isozaki T,Ha CM,Haines GK 3rd,Morgan R,Campbell PL,Arbab AS,Friday SC,Fox DA,Ruth JHdoi
10.1186/s13075-016-0984-3subject
Has Abstractpub_date
2016-04-12 00:00:00pages
87eissn
1478-6354issn
1478-6362pii
10.1186/s13075-016-0984-3journal_volume
18pub_type
杂志文章abstract:INTRODUCTION:The decreased disc height characteristic of intervertebral disc (IVD) degeneration has often been linked to low back pain, and thus regeneration strategies aimed at restoring the disc extracellular matrix and ultimately disc height have been proposed as potential treatments for IVD degeneration. One such t...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar2611
更新日期:2009-01-01 00:00:00
abstract:INTRODUCTION:Rheumatoid arthritis (RA) is characterized by progressive inflammation associated with rampantly proliferating synoviocytes and joint destruction due to oxidative stress. Recently, we described nuclear factor erythroid 2-related factor 2 (Nrf2) as a major requirement for limiting cartilage destruction. NF-...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar4059
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abstract:BACKGROUND:Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by the presence of autoantibodies to multiple self-antigens, including heat shock proteins (HSP). Because of the increased expression of HSP90 and abnormal immune responses to it in SLE, we investigated whether an HSP90 DNA vacc...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-020-02246-4
更新日期:2020-06-22 00:00:00
abstract:INTRODUCTION:The microdialysis method was applied to the human knee joint with osteoarthritis (OA) in order to reveal changes in biochemical markers of cartilage and inflammation, intraarticularly and in the synovium, in response to a single bout of mechanical joint loading. METHODS:Thirty-one female subjects with OA ...
journal_title:Arthritis research & therapy
pub_type: 杂志文章,随机对照试验
doi:10.1186/ar3064
更新日期:2010-01-01 00:00:00
abstract:BACKGROUND:Galactosylation of immunoglobulin G (IgG) is reduced in rheumatoid arthritis (RA) and assumed to correlate with inflammation and altered humoral immunity. IgG hypogalactosylation also increases with age. To investigate dependencies in more detail, we compared IgG hypogalactosylation between patients with RA,...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-018-1540-0
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abstract:BACKGROUND:The presence of autoantibodies is considered an important characteristic of rheumatoid arthritis (RA); therefore, both anticitrullinated protein antibodies (ACPA) and rheumatoid factor (RF) are included in the 2010 classification criteria for rheumatoid arthritis (RA). However, a considerable number of RA pa...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-018-1591-2
更新日期:2018-05-03 00:00:00
abstract::The characteristic of a biomarker that makes it a useful surrogate is the ability to identify a high risk of clinically important benefits or harms occurring in the future. A number of definitions or descriptions of surrogate definition have been put forward. Most recently the Institute of Medicine of the National Aca...
journal_title:Arthritis research & therapy
pub_type: 杂志文章,评审
doi:10.1186/ar4176
更新日期:2013-01-01 00:00:00
abstract:BACKGROUND:To aim was to investigate the additional value of incorporating the de Vlam cervical facet joint score in the modified ankylosing spondylitis (AS) spine score (mSASSS) for the evaluation of spinal radiographic outcome in AS. METHOD:Baseline and 4-year radiographs from 98 consecutive patients from the Gronin...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-017-1285-1
更新日期:2017-04-26 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar3057
更新日期:2010-01-01 00:00:00
abstract::In clinic studies, altered hypothalamic-pituitary-adrenal (HPA) axis function has been associated with fibromyalgia, a syndrome characterised by chronic widespread body pain. These results may be explained by the associated high rates of psychological distress and somatisation. We address the hypothesis that the latte...
journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar1772
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar2844
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar3309
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-016-1040-z
更新日期:2016-06-16 00:00:00
abstract::Joint space width (JSW) and narrowing (JSN) measurements on radiographs are currently the best way to assess disease severity or progression in hip osteoarthritis, yet we lack data regarding the most accurate and sensitive measurement technique. This study was conducted to determine the optimal radiograph and number o...
journal_title:Arthritis research & therapy
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2005-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 临床试验,杂志文章
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更新日期:2010-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-016-1128-5
更新日期:2016-10-06 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章,评审
doi:10.1186/s13075-014-0423-2
更新日期:2014-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 社论
doi:10.1186/ar1450
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar1798
更新日期:2005-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-018-1517-z
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-020-02315-8
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-014-0439-7
更新日期:2014-09-27 00:00:00
abstract::Idiopathic CD4 lymphocytopenia (ICL) is a presumed heterogenous syndrome with key element low CD4 T-cell counts (below 300/mm³) without evidence of HIV infection or other known immunodeficiency. The etiology, pathogenesis, and management of ICL remain poorly understood and inadequately defined. The clinical presentati...
journal_title:Arthritis research & therapy
pub_type: 杂志文章,评审
doi:10.1186/ar4027
更新日期:2012-08-31 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 评论,社论
doi:10.1186/ar3126
更新日期:2010-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar2519
更新日期:2008-01-01 00:00:00
abstract::T-helper (Th) lymphocytes contribute to arthritis pathogenesis by helping B cells to produce antibodies, by producing cytokines that activate effector cells involved in the destruction of cartilage and bone, and by contributing to osteoclast differentiation. There are murine models of arthritis, most notably collagen-...
journal_title:Arthritis research & therapy
pub_type: 评论,社论
doi:10.1186/ar3008
更新日期:2010-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/ar1706
更新日期:2005-01-01 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-015-0798-8
更新日期:2015-10-07 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-017-1428-4
更新日期:2017-10-04 00:00:00
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journal_title:Arthritis research & therapy
pub_type: 杂志文章
doi:10.1186/s13075-018-1801-y
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