نتایج جستجو برای: tgf beta1
تعداد نتایج: 30470 فیلتر نتایج به سال:
Transforming growth factor (TGF)-beta1 is a growth factor involved in the mechanisms of lung repair and fibrosis that follow inflammatory processes. We sought to examine the link between the generation of reactive oxygen intermediates (ROI) or reactive nitrogen intermediates (RNI) by inflammatory cells and the expression of TGF-beta1 by alveolar epithelial cells. Exposure of the A549 lung epith...
BACKGROUND In a case-control study of 100 preeclamptics and 100 controls, we assessed plasma transforming growth factor-beta1 (TGF-beta1) concentrations in relation to preeclampsia risk among Peruvian women with and without systemic inflammation. METHODS Logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS The OR of preeclampsia increased ac...
PURPOSE Inhibition of TGF-beta reduces myofibroblast differentiation and fibrosis in the cornea. Determining the actions of distinct TGF-beta isoforms and their inhibitors during early corneal wound healing is an essential step in guiding therapeutic intervention. METHODS Bovine serum-free corneal cell and wounded organ cultures were challenged with a range of concentrations of TGF-beta1, -be...
TH-induced cardiac hypertrophy in vivo is accompanied by increased cardiac Transforming Growth Factor-beta1 (TGF-beta1) levels, which is mediated by Angiotensin II type 1 receptors (AT1R) and type 2 receptors (AT2R). However, the possible involvement of this factor in TH-induced cardiac hypertrophy is unknown. In this study we evaluated whether TH is able to modulate TGF-beta1 in isolated cardi...
ANK is a multipass transmembrane protein transporter thought to play a role in the export of intracellular inorganic pyrophosphate and so to contribute to the pathophysiology of chondrocalcinosis. As transforming growth factor-beta-1 (TGF-beta1) was shown to favor calcium pyrophosphate dihydrate deposition, we investigated the contribution of ANK to the production of extracellular inorganic pyr...
Adenovirus-mediated transfection of mouse cardiac allografts with active human transforming growth factor-beta 1 (TGF-beta1) prolongs transplant survival provided that recipients are initially depleted of CD8+ T cells. To test if graft survival was prolonged by persistent TGF-beta1 transgene expression, long-term transfected allografts were re-transplanted into naïve mice that were transiently ...
BACKGROUND Macrophages generated in vitro using macrophage-colony stimulating factor (M-CSF) and interleukin (IL)-6 from bone marrow cells (BM-Mp) are defective in antigen presenting cell (APC) function as shown by their ability to induce the proliferation of anti-CD3 mAb-primed syngeneic T cells. However, they do express major histocompatibility (MHC) class I and II molecules, accessory molecu...
BACKGROUND Decorin, an extracellular matrix (ECM) proteoglycan, and TGF-beta1 are both involved in lung ECM turnover. Decorin and TGF-beta1 expression are decreased respectively increased in COPD lung tissue. Interestingly, they act as each other's feedback regulator. We investigated whether single nucleotide polymorphisms (SNPs) in decorin and TGF-beta1 underlie accelerated decline in FEV1 and...
Group A Streptococcus (GAS) and other bacterial pathogens are known to interact with integrins as an initial step in a complex pathway of bacterial ingestion by host cells. Efficient GAS invasion depends on the interaction of bound fibronectin (Fn) with integrins and activation of integrin signaling. TGF-beta1 regulates expression of integrins, Fn, and other extracellular matrix proteins, and p...
The "response-to-retention" hypothesis of atherogenesis states that atherogenic lipoproteins, such as low density lipoprotein (LDL), are retained in vessels by proteoglycans and undergo proatherosclerotic modifications. Transforming growth factor (TGF)-beta1 has been identified in atherosclerotic vessels and has been shown to stimulate the synthesis of chondroitin sulfate- and dermatan sulfate-...
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