نتایج جستجو برای: pedf
تعداد نتایج: 571 فیلتر نتایج به سال:
PURPOSE This study was conducted to define whether pigment epithelial-derived growth factor (PEDF), together with docosahexaenoic acid (DHA), enhances the synthesis of neuroprotectin D1 (NPD1) and the regeneration of corneal nerves damaged after surgery. METHODS Corneal stromal dissection was performed in the left eyes of adult New Zealand rabbits treated with DHA+PEDF, PEDF, or DHA for 6 wee...
PURPOSE Glaucoma is the second leading cause of blindness. The ultimate cause of vision loss in glaucoma is thought to be retinal ganglion cell (RGC) death. Neuroprotection of RGC is therefore an important goal of glaucoma therapy. Several lines of evidence suggest that pigment epithelium derived factor (PEDF) is a potent anti-angiogenic, neuroprotective, and anti-inflammatory factor for neuron...
PURPOSE Experiments were designed to identify proteolytic activities that cleave pigment epithelium-derived factor (PEDF), a member of the serpin (serine protease inhibitor) family. METHODS Proteins in vitreous humor from bovine eyes were analyzed by Western blot with antiserum to human recombinant PEDF protein. Protein fractionation was by ammonium sulfate saturation and by S-Sepharose colum...
BACKGROUND: Osteogenesis imperfecta (OI) type VI is a heritable disease that leads to a large number of fractures in children. It is caused by genetic mutations that lead to the absence of pigmentepithelium derived factor (PEDF) in all body cells. PEDF is a protein that is produced and secreted by cells in many tissues (liver, eye, fat). In bone, it is particularly highly expressed in osteoblas...
BACKGROUND/AIM The aim of this study was to assess the role of serum pigment epithelium-derived factor (PEDF) and matrix metalloproteinase-9 (MMP-9) in progression of liver cirrhosis and development of hepatocellular carcinoma (HCC). PATIENTS AND METHODS Serum levels of PEDF and MMP-9 were tested in 212 patients with liver cirrhosis and in a control group of 30 healthy volunteers. HCC was dia...
The nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) inflammasome has been linked to sterile inflammation, which is involved in ischemic injury in myocardial cells. Pigment epithelium-derived factor (PEDF) is a multifunctional secreted glycoprotein with many biological activities, such as anti-inflammatory, antioxidant and anti-angiogenic properties. However, it is not ...
Pigment epithelium-derived factor (PEDF) is widely known for its neurotrophic and antiangiogenic functions. Efficacy studies of PEDF in animal models are limited because of poor heterologous protein yields. Here, we redesigned the human PEDF gene to preferentially match codon frequencies of E coli without altering the amino acid sequence. Following de novo synthesis, codon optimized PEDF (coPED...
PURPOSE Spontaneously diabetic Torii (SDT) rats, an animal model of type 2 diabetes, have a low incidence of neovascular formation and an absence of non-perfused areas in their retinas at the proliferative stage that presents tractional retinal detachment with fibrous proliferation. The aim of this study was to determine whether leukostasis is present in the retina, to evaluate the levels of pi...
PURPOSE To characterize the angiostatic effect of penetrating ocular injury and to begin to explore its mechanism, with an emphasis on the role of pigment epithelium-derived factor (PEDF). METHODS Using the rat model of oxygen-induced retinopathy (OIR), single or multiple dry needle injuries were made, penetrating the globe of one eye; the opposite eye served as a control. Eyes were harvested...
Pigment epithelium-derived factor (PEDF) has many biological activities. But it's not known whether PEDF and its functional peptides could protect against hypoxia-induced cell death and the mechanisms are still unclear. We used cultured H9c2 cells and primary cardiomyocytes to show that apoptosis and necroptosis were significantly increased after hypoxia. Both PEDF and its fuctional peptides 44...
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