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Ming-wei Liu, Rong Liu, Hai-ying Wu, Yi-yun Li, Mei-xian Su, Min-na Dong, Wei Zhang, Chuan-yun Qian
BACKGROUND: Puerarin, extracted from Radix puerariae, was reported to ameliorate airway inflammation, lung injury and lung fibrosis induced by paraquat (PQ) in mice. However, effects of Radix puerariae extracts (RPEs) on lung fibrosis or signalling pathways in PQ-induced lung injury have not been well studied. Therefore, the goals of our study were to investigate whether Radix puerariae extracts are antifibrotic in a paraquat (PQ) induced lung fibrosis model in mice and to propose possible mechanisms of action of the RPE effects...
2016: BMC Complementary and Alternative Medicine
Tao Ding, Xiao-Zhou He, Xian-Lin Xu, Hai-Yan Xu, Cui-Xing Zhou, Yu-Ji Wang
OBJECTIVE: To investigate the expression of follistatin-like protein 1 (FSTL-1) in bone metastasis of prostate cancer (BMPC), the correlation of serum FSTL-1 with the chronic inflammatory factor interleukin-6 (IL-6) and bone morphogenetic protein 6 (BMP6) , and the clinical application value of serum FSTL-1 in BMPC. METHODS: Using ELISA, we measured the expression levels of serum FSTL-1, IL-6, and BMP6 in 35 patients with BMPC and another 30 with benign prostatic hyperplasia (BPH) and performed correlation analysis on the data obtained...
December 2014: Zhonghua Nan Ke Xue, National Journal of Andrology
Brian T Campfield, Christi L Nolder, Anthony Marinov, Daniel Bushnell, Amy Davis, Caressa Spychala, Raphael Hirsch, Andrew J Nowalk
Follistatin-like protein 1 (FSTL-1) has recently been described as a critical mediator of CIA and a marker of disease activity. Lyme arthritis, caused by Borrelia burgdorferi, shares similarities with autoimmune arthritis and the experimental murine model collagen-induced arthritis (CIA). Because FSTL-1 is important in CIA and autoimmune arthritides, and Lyme arthritis shares similarities with CIA, we hypothesized that FSTL-1 may be an important mediator of Lyme arthritis. We demonstrate for the first time that FSTL-1 is induced by B...
August 2014: Microbial Pathogenesis
Yury Chaly, Yu Fu, Anthony Marinov, Bruce Hostager, Wei Yan, Brian Campfield, John A Kellum, Daniel Bushnell, Yudong Wang, Jerry Vockley, Raphael Hirsch
Follistatin-like protein 1 (FSTL-1) is overexpressed in a number of inflammatory conditions characterized by elevated IL-1β. Here, we found that FSTL-1 serum concentration was increased threefold in patients with bacterial sepsis and fourfold following administration of LPS to mice. To test the contribution of FSTL-1 to IL-1β secretion, WT and FSTL-1-deficient mice were injected with LPS. While LPS induced IL-1β in the sera of WT mice, it was low or undetectable in FSTL-1-deficient mice. Monocytes/macrophages, a key source of IL-1β, do not normally express FSTL-1...
May 2014: European Journal of Immunology
Mark Gorelik, Ndate Fall, Mekibib Altaye, Michael G Barnes, Susan D Thompson, Alexei A Grom, Raphael Hirsch
OBJECTIVE: Follistatin-like protein 1 (FSTL-1) is a secreted glycoprotein overexpressed in certain inflammatory diseases. Our objective was to correlate FSTL-1 levels with gene expression, known biomarkers, and measures of disease activity in systemic juvenile idiopathic arthritis (sJIA), including macrophage activation syndrome (MAS). METHODS: FSTL-1 serum levels were measured by ELISA in 28 patients with sJIA, including 7 patients who developed MAS, and 30 healthy controls...
July 2013: Journal of Rheumatology
Bente K Pedersen, Mark A Febbraio
During the past decade, skeletal muscle has been identified as a secretory organ. Accordingly, we have suggested that cytokines and other peptides that are produced, expressed and released by muscle fibres and exert either autocrine, paracrine or endocrine effects should be classified as myokines. The finding that the muscle secretome consists of several hundred secreted peptides provides a conceptual basis and a whole new paradigm for understanding how muscles communicate with other organs, such as adipose tissue, liver, pancreas, bones and brain...
August 2012: Nature Reviews. Endocrinology
Mark Gorelik, David C Wilson, Yona K Cloonan, Stanford T Shulman, Raphael Hirsch
OBJECTIVE: To determine whether plasma levels of follistatin-like protein 1 (FSTL-1), a pro-inflammatory protein produced by mesenchymal tissue, including cardiac myocytes, correlate with the development of Kawasaki disease (KD) and coronary artery aneurysms (CAA). STUDY DESIGN: FSTL-1 plasma levels were measured serially with enzyme-linked immunosorbent assay in 48 patients with KD at time of diagnosis and, when available, 2 weeks, 6 weeks, and 6 months after onset of disease...
July 2012: Journal of Pediatrics
David C Wilson, Anthony D Marinov, Harry C Blair, Daniel S Bushnell, Susan D Thompson, Yury Chaly, Raphael Hirsch
OBJECTIVE: To examine both the source of follistatin-like protein 1 (FSTL-1) and the factors that induce its expression in arthritis, and to determine whether juvenile rheumatoid arthritis (JRA) is characterized by overexpression of FSTL-1. METHODS: FSTL-1 expression patterns were analyzed by immunohistochemical staining of joint tissue derived from mice with collagen-induced arthritis. Induction of FSTL-1 secretion was assessed in osteoblasts, adipocytes, and human fibroblast-like synoviocytes in response to transforming growth factor beta (TGFbeta), interleukin-1beta (IL-1beta), tumor necrosis factor alpha (TNFalpha), and IL-6...
August 2010: Arthritis and Rheumatism
Suzanne D Clutter, David C Wilson, Anthony D Marinov, Raphael Hirsch
Follistatin-like protein-1 (FSTL-1) is a poorly characterized protein that is up-regulated in the early stage of collagen-induced arthritis and that exacerbates arthritis when delivered by gene transfer. The current study was designed to determine the mechanism by which FSTL-1 promotes arthritis. FSTL-1 was injected into mouse paws, resulting in severe paw swelling associated with up-regulation of IFN-gamma transcript and the IFN-gamma-induced chemokine, CXCL10. Mice depleted of T cells were protected. A central role for IFN-gamma was confirmed by the finding that mice deficient in IFN-gamma failed to exhibit paw swelling in response to injection of FSTL-1...
January 1, 2009: Journal of Immunology: Official Journal of the American Association of Immunologists
Takako Miyamae, Anthony D Marinov, Dawn Sowders, David C Wilson, Jason Devlin, Robert Boudreau, Paul Robbins, Raphael Hirsch
While analyzing gene expression in collagen-induced arthritis, we discovered that a poorly characterized gene, follistatin-like protein 1 (FSTL-1), is highly overexpressed in mouse paws during early arthritis, especially at the interface of synovial pannus and eroding bone. In this study, we show that FSTL-1 is a novel proinflammatory molecule with a previously unrecognized role in inflammation. Transfection of FSTL-1 into macrophages and fibroblasts leads to up-regulation of proinflammatory cytokines, including IL-1beta, TNF-alpha, and IL-6...
October 1, 2006: Journal of Immunology: Official Journal of the American Association of Immunologists
Lutz Trojan, Axel Schaaf, Annette Steidler, Markus Haak, Georg Thalmann, Thomas Knoll, Norbert Gretz, Peter Alken, Maurice Stephan Michel
OBJECTIVES: Prostate cancer (PCa) is a heterogeneous tumour entity with known interindividual differences in biological behaviour regarding tumour aggressiveness and metastatic potentiaL To date, the prediction of the metastatic status of patients with PCa has not been possible. To identify the molecular causes behind these differences, the gene expression profiles of two cell lines (LNCaP and LNCaP C4-2) with different metastatic potentials were examined using DNA microarray technology...
January 2005: Anticancer Research
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