Platelet Derived Growth Factor Beta
Mostrando 1-12 de 199 artigos, teses e dissertações.
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1. Intravitreal neurodegenerative and inflammatory mediators in proliferative diabetic retinopathy
RESUMO Objetivo: Comparar as concentrações intravítreas de mediadores celulares envolvidos na neurodegeneração, inflamação e angiogênese em pacientes com retinopatia diabética proliferativa e outras doenças vítreo-retinianas. Métodos: Um ensaio imunomagnético foi utilizado para medir os níveis vítreos do fator derivado do epitélio pigmentar
Arq. Bras. Oftalmol.. Publicado em: 08/04/2019
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2. Platelet-derived growth factor A mRNA in platelets is associated with the degree of hepatic fibrosis in chronic hepatitis C
Abstract: INTRODUCTION: Transforming growth factor beta 1 (TGFB1) and platelet-derived growth factor (PDGF) are the main cytokines related to hepatic fibrogenesis. METHODS: RNA isolated from the platelets and hepatic tissue of 43 HCV carriers was used for quantitative polymerase chain reaction to determine TGFB1, PDGFA, and PDGFB RNA expression. RESULTS
Rev. Soc. Bras. Med. Trop.. Publicado em: 2017-02
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3. Efeito de um bloqueador do receptor PDGF na adipogênese de camundongos tratados com dieta hiperlipídica / PDGFR beta kinase inhibitor reduces adipogenesis and improves insulin sensitivity in mice
A obesidade é hoje considerada um problema de saúde pública. Essa condição é caracterizada pelo aumento do peso corporal, mais especificamente do tecido adiposo branco. A adipogênese (diferenciação do pré-adipócito em adipócito) é um fenômeno complexo e não muito bem caracterizado. Recentes estudos mostraram que os préadipócitos estão local
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/08/2011
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4. Induction of c-sis mRNA and activity similar to platelet-derived growth factor by transforming growth factor beta: a proposed model for indirect mitogenesis involving autocrine activity.
Treatment of quiescent cultures of mouse embryo-derived AKR-2B cells with transforming growth factor beta resulted in an early induction of c-sis mRNA. The increase in c-sis mRNA was followed by a corresponding increase in protein similar to platelet-derived growth factor (PDGF) in the culture medium. In addition, PDGF-regulated genes (c-fos and c-myc) were
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5. A histologically distinctive interstitial pneumonia induced by overexpression of the interleukin 6, transforming growth factor beta 1, or platelet-derived growth factor B gene.
Interstitial pneumonia is characterized by alveolitis with resulting fibrosis of the interstitium. To determine the relevance of humoral factors in the pathogenesis of interstitial pneumonia, we introduced expression vectors into Wistar rats via the trachea to locally overexpress humoral factors in the lungs. Human interleukin (IL) 6 and IL-6 receptor genes
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6. A cytokine network in human diploid fibroblasts: interactions of beta-interferons, tumor necrosis factor, platelet-derived growth factor, and interleukin-1.
Earlier studies demonstrated the induction of beta 2-interferon (IFN-beta 2) in human diploid fibroblasts (FS-4 strain) exposed to tumor necrosis factor (TNF). These studies suggested that IFN-beta 2 mediates an antiviral effect in TNF-treated cells and exerts a feedback inhibition of the mitogenic effect of TNF. Here we demonstrate that the expression of th
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7. Cloning and expression of JE, a gene inducible by platelet-derived growth factor and whose product has cytokine-like properties.
The platelet-derived growth factor-inducible gene JE has been widely used as a molecular marker for the cellular response to growth factors, antimitogenic agents, and other biological response modifiers; however, the structure of the JE gene and the nature of its encoded protein have not been previously described. We present here structural and regulatory fe
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8. Transforming growth factor type beta specifically stimulates synthesis of proteoglycan in human adult arterial smooth muscle cells.
Myo-intimal proteoglycan metabolism is thought to be important in blood vessel homeostasis, blood clotting, atherogenesis, and atherosclerosis. Human platelet-derived transforming growth factor type beta (TGF-beta) specifically stimulated synthesis of at least two types of chondroitin sulfate proteoglycans in nonproliferating human adult arterial smooth musc
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9. A colony-stimulating factor 1 (CSF-1) receptor/platelet-derived growth factor-beta receptor gene fusion confers CSF-1 independence and tumorigenicity on a c-myc-immortalized monocyte cell line.
Monocytes and macrophages express the receptor for the hematopoietic growth factor colony-stimulating factor 1 (CSF-1) and require this factor for growth in culture. A murine monocyte tumor cell line that lacks the usual requirement for CSF-1 was isolated. On the basis of the similarity of the structures of the CSF-1 and platelet-derived growth factor (PDGF)
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10. Failure of the bovine papillomavirus to transform mouse embryo fibroblasts with a targeted disruption of the insulin-like growth factor I receptor genes.
Mouse embryo cells with a targeted disruption of the insulin-like growth factor I receptor (IGF-IR) genes (R- cells) are refractory to transformation by the simian virus 40 large T antigen and/or an activated and overexpressed Ras, both of which readily transform cells from wild-type littermate embryos and other 3T3-like cells. R- cells are also refractory t
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11. Insulin-like synergistic stimulation of DNA synthesis in Swiss 3T3 cells by the BSC-1 cell-derived growth inhibitor related to transforming growth factor type beta.
A cell growth inhibitor (GI), purified from BSC-1 cell-conditioned medium, has little if any effect on DNA synthesis when added alone to monolayer cultures of quiescent Swiss mouse 3T3 cells in serum-free medium. However, the inhibitor, which is closely related to transforming growth factor type beta (TGF-beta), exhibits a pronounced synergistic stimulation
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12. Regulation of proliferation of human colonic subepithelial myofibroblasts by mediators important in intestinal inflammation.
An increase in myofibroblast number may be necessary for wound healing but may also lead to postinflammatory scarring. We have, therefore, studied the role of mediators important in inflammatory bowel disease in regulating proliferation of human colonic myofibroblasts. Using primary cultures of these cells, we have shown increases in [3H]thymidine incorporat