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Evaluation of differentially expressed genes identified in keratoconus.


ABSTRACT: PURPOSE: To identify the differentially expressed genes (DEGs) in the human keratocytes in keratoconus. METHODS: Total RNA extracted from cultured corneal stromal fibroblasts from normal and keratoconic corneas were used for the synthesis of cDNA. DEGs were screened by an annealing control primer(TM)-based PCR method using GeneFishing() DEG kits. The differentially expressed bands were sequenced and analyzed. The genes identified were further evaluated by reverse transcriptase PCR and quantitative real-time PCR. RESULTS: Overexpression of bone morphogenetic protein 4 (BMP4), cofilin 1 (CFL1), and JAW1-related protein (MRVI1) and underexpression of actin, alpha 2 (ACTA2), gene rich cluster, and C 10 gene (GRCC10), tissue inhibitor of metalloproteinase 3 (TIMP3), tissue inhibitor of metalloproteinase 1 (TIMP1), and somatostatin receptor 1 (SSTR1) were verified, and these results were confirmed by reverse transcriptase PCR and quantitative real-time PCR. CONCLUSIONS: Eight genes were identified to be differentially expressed in keratoconus and related with apoptosis, the cytoskeleton, wound healing, and nerve fibers. The genes identified may be involved in the mechanism underlying stromal thinning; thus, they could be important and deserve further investigation.

SUBMITTER: Lee JE 

PROVIDER: S-EPMC2786887 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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Evaluation of differentially expressed genes identified in keratoconus.

Lee Ji-Eun JE   Oum Boo Sup BS   Choi Hee Young HY   Lee Seung Uk SU   Lee Jong Soo JS  

Molecular vision 20091128


<h4>Purpose</h4>To identify the differentially expressed genes (DEGs) in the human keratocytes in keratoconus.<h4>Methods</h4>Total RNA extracted from cultured corneal stromal fibroblasts from normal and keratoconic corneas were used for the synthesis of cDNA. DEGs were screened by an annealing control primer(TM)-based PCR method using GeneFishing() DEG kits. The differentially expressed bands were sequenced and analyzed. The genes identified were further evaluated by reverse transcriptase PCR a  ...[more]

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