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PURPOSE To study levels and activity of matrix metalloproteinase (MMP)-1 and -9 and their tissue inhibitor (TIMP-1) in tears of patients with vernal keratoconjunctivitis (VKC), with and without severe corneal damage. METHODS Tear samples were obtained from 16 patients with active VKC and 10 normal control subjects, after clinical evaluation and tear(More)
The Discussion Paper series provides a means for circulating preliminary research results by staff of or visitors to the Department. Its purpose is to stimulate discussion prior to the publication of papers. 3 * I am grateful for the support and for the useful comments received from Professor Roberto Tamborini. The experiment has benefited from the comments(More)
OBJECTIVE This study was aimed at obtaining a profile of lipids and proteins with a paracrine function in normal and diabetic vitreous and exploring whether the profile correlates with retinal pathology. RESEARCH DESIGN AND METHODS Vitreous was recovered from 47 individuals undergoing vitreoretinal surgery: 16 had nonproliferative diabetic retinopathy(More)
Vernal keratoconjunctivitis (VKC) is a recurrent or chronic ocular allergic disease that affects mostly children and young adults living in warm climates worldwide. Understanding and treating VKC has been a challenge for ophthalmologists since the pathogenesis is unclear and anti-allergic therapy often unsuccessful. In this paper, the culmination of 11(More)
BACKGROUND Low temperature plasmas have been proposed in medicine as agents for tissue disinfection and have received increasing attention due to the frequency of bacterial resistance to antibiotics. This study explored whether atmospheric-pressure cold plasma (APCP) generated by a new portable device that ionizes a flow of helium gas can inactivate ocular(More)
PURPOSE Wilson disease (WD) is a disorder of hepatic copper metabolism leading to copper accumulation in hepatocytes and in extrahepatic organs, as the brain and cornea. The aim of this study was to investigate central corneal changes and in particular to assess the parameters of corneal subbasal nerve plexus (SBNP) in patients affected by WD, using corneal(More)
PURPOSE To determine whether cytokines involved in chronic allergic conjunctival disorders may affect formation of giant papillae and tissue remodeling. METHODS Conjunctival fibroblast cultures were challenged with different concentrations of human recombinant interleukin (IL)-4, IL-13, interferon (IFN)-gamma and tumor necrosis factor (TNF)-alpha.(More)
Multi-dimensional systems, including image processing, geophysical signal processing, and fluid dynamics, are becoming one of the most important targets of computational improvement studies. Most of the optimized solutions to those problems point to the use of Application Specific Integrated Circuits (ASICs). From the analysis of the multi-dimensional(More)
BACKGROUND Atmospheric pressure cold plasma (APCP) might be considered a novel tool for tissue disinfection in medicine since the active chemical species produced by low plasma doses, generated by ionizing helium gas in air, induces reactive oxygen species (ROS) that kill microorganisms without substantially affecting human cells. OBJECTIVES In this(More)