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The membrane was blocked for 1?h at room temperature in Tris-buffered saline, 0.05% Tween 20 (TBST) with 5% nonfat http://www.selleckchem.com/products/CHIR-99021.html milk. The membrane was subsequently incubated overnight at 4?��C with goat anti-mouse IL-11 (1:500; R&D systems). The membrane was then subjected to three 5-min washes in TBST at room temperature and then incubated with anti-goat secondary antibody (1:25000; Santa Cruz Biotechnology) in TBST for 2?h at room temperature. Antibody binding was detected using an ECL+ chemiluminescence detection kit (Amersham, UK) and imaged using a Storm?Molecular Image Scanner (Amersham). Samples from three different fibroblast cultures were analyzed. Statistical analysis of the immunofluorescence data was performed http://www.selleck.cn/products/wortmannin.html using a software package (sas 9.2.1, SAS Institute Inc., Cary, NC, USA). Immunofluorescence pixel density data were analyzed using a general linear mixed model (GLMM) for fitting a two-way ANOVA in a randomized block design, with fixed effects assigned to tissue type and slide type and random block to the individual dog, accounting for subsampling. Statistical analysis of the qPCR data was performed using rest-mcs, a qPCR-specific software tool that calculated the normalized expression ratios relative to time 0 and tested for statistical differences by a randomization test. Immunofluorescence staining of ocular sections revealed IL-11 antigen expression in all three layers of the cornea (Fig.?1). Cytosolic staining was noted in the stromal keratocytes and endothelial cells. Statistical analysis of the pixel density of the immunofluorescence signal compared with primary negative controls confirmed the presence of IL-11 in both the corneal epithelium and fibroblasts layers above that of the primary negative control (P? http://www.selleckchem.com/products/LY294002.html meshwork, iris, retina, ciliary body, choroid, or sclera after statistical analysis (Fig.?2). Baseline IL-11 mRNA expression was noted in all three corneal cell types: the corneal epithelium, fibroblasts, and endothelium. The expression is represented as a relative ratio normalized to GAPDH, a widely accepted reference gene with moderately high expression across cell types (Fig.?3). IL-11 is induced in many cells and tissues by the cytokine TGF-��1.[34, 35] In the eye, TGF-��1 is recognized to participate in multiple cellular processes including changes in cellular proliferation and in the anterior chamber-associated immune deviation (ACAID).