critical role of klf5 in regulating gene expression during post-eyelid opening maturation of mouse corneasklf5的至关重要的作用在调节基因表达在post-eyelid鼠标眼角膜的开始成熟.pdfVIP

critical role of klf5 in regulating gene expression during post-eyelid opening maturation of mouse corneasklf5的至关重要的作用在调节基因表达在post-eyelid鼠标眼角膜的开始成熟.pdf

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critical role of klf5 in regulating gene expression during post-eyelid opening maturation of mouse corneasklf5的至关重要的作用在调节基因表达在post-eyelid鼠标眼角膜的开始成熟

Critical Role of Klf5 in Regulating Gene Expression during Post-Eyelid Opening Maturation of Mouse Corneas 1.¤ 1. 1. 1 Doreswamy Kenchegowda , Stephen A. K. Harvey , Sudha Swamynathan , Kira L. Lathrop , Shivalingappa K. Swamynathan1,2,3* 1 Department of Ophthalmology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, 2 Department of Cell Biology and Physiology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, 3 McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America Abstract Background: Klf5 plays an important role in maturation and maintenance of the mouse ocular surface. Here, we quantify WT and Klf5-conditional null (Klf5CN) corneal gene expression, identify Klf5-target genes and compare them with the previously identified Klf4-target genes to understand the molecular basis for non-redundant functions of Klf4 and Klf5 in the cornea. Methodology/Principal Findings: Postnatal day-11 (PN11) and PN56 WT and Klf5CN corneal transcriptomes were quantified by microarrays to compare gene expression in maturing WT corneas, identify Klf5-target genes, and compare corneal Klf4- and Klf5-target genes. Whole-mount corneal immunofluorescent staining was employed to examine CD45+ cell influx and neovascularization. Effect of Klf5 on expression of desmosomal components was studied by immunofluorescent staining and transient co-transfection assays. Expression of 714 and 753 genes was increased, and 299 and 210 genes decreased in PN11 and PN56 Klf5CN corneas, respectively, with 366 concordant increases and 72 concordant decreases. PN56 Klf5CN corneas shared 241

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