当前位置： SCI文献检索 > OPHTHALMIC RESEARCH期刊下所有文献 > Expression of CREB in primary pterygium and correlation with cyclin D1, ki-67, MMP7, p53, p63, Survivin and Vimentin.

Expression of CREB in primary pterygium and correlation with cyclin D1, ki-67, MMP7, p53, p63, Survivin and Vimentin.

Abstract：

AIM:Ultraviolet (UV) B irradiation induces gene expression that leads to skin cancer. Among the transcription factors induced by UVB radiation exposure, the cyclic AMP response element-binding protein (CREB) is significant. Since several factors downstream of CREB signaling are known to be involved in pterygium pathogenesis, we investigated CREB expression in pterygial and human conjunctival tissues to evaluate if a similar expression pattern is present. Moreover, we analyzed the correlation with CREB expression and other known pterygium markers. METHODS:Primary pterygium samples and normal bulbar conjunctivas surgically removed were analyzed. Formalin-fixed, paraffin-embedded tissues were stained by immunohistochemistry with anti-CREB, anti-vimentin, anti-ki-67, anti-survivin, anti-MMP7, anti-p63, anti-cyclin D1, or anti-p53 antibodies. RESULTS:94.4% of pterygium samples were positive for CREB with a significant difference compared to the control group (p = 0.002). The staining was localized in the epithelium and absent in the stroma. An increased expression was found for cyclin D1 (p = 0.019), ki-67 (p = 0.005), vimentin (p = 0.003), survivin (p < 0.001), p63 (p = 0.003), and MMP7 (p = 0.002). CREB expression showed a significant correlation with cyclin D1 (ρ = 0.49; p = 0.035), ki-67 (ρ = 0.61; p = 0.007), and p53 (ρ = 0.57; p = 0.013) in pterygium. CONCLUSIONS:These results permit to hypothesize that CREB is involved in pterygium pathogenesis. Since various molecules have been discovered to inhibit CREB, these data could be of interest for pterygium treatment.

journal_name

Ophthalmic Res

journal_title

Ophthalmic research

authors

Nubile M,Curcio C,Lanzini M,Calienno R,Iezzi M,Mastropasqua A,Di Nicola M,Mastropasqua L

doi

10.1159/000347124

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

99-107

issue

2

eissn

0030-3747

issn

1423-0259

pii

000347124

journal_volume

50

pub_type

杂志文章

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