The ocular surface · 2013
Correlation of microRNA-145 levels and clinical severity of pterygia.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Chien Ke-Hung, Chen Shih-Jen, Liu Jorn-Hon, Woung Lin-Chung, Chen Jiann-Torng, Liang Chang-Min, Chiou Shih-Hwa, Tsai Ching-Yao, Cheng Cheng-Kuo, Hu Chao-Chien, Peng Chi-Hsien
Аннотация
PURPOSE: MicroRNA-145 (miR-145) has known anti-tumor properties and has been reported to be involved in regulating corneal epithelium differentiation. The exact role of miR-145 in ocular tissue remains unclear. In this study, we evaluate the effect of miR-145 expression levels on pterygium properties.
SETTING: Ophthalmology department of a tertiary medical center.
DESIGN: : Case series study.
METHODS: Information regarding patient age, pterygium recurrence and pterygium severity (extension [E], vascularity [V] and thickness [T]) were gathered from records. Expression levels of miR-145 were obtained through examination of excised pterygium tissue. Correlations between age, pterygium classification, and miR-145 levels were evaluated.
RESULTS: This study evaluated 253 patients (mean age 54.1±10.8 years). As pterygium severity increased, miR-145 levels decreased. Negative correlations were also found between miR-145 expression levels and pterygium extension (E) and vascularity (V). Thickness (T) had a weak negative correlation. There was only a mild negative correlation between patient age and miR-145 levels, which was only seen in patients with primary pterygium (not recurrent ones). Additionally, miR-145 expression was significantly higher in primary samples than in recurrent ones.
CONCLUSIONS: We demonstrated an association between miR-145 and pterygium characteristics, consistent with its known tumor suppression effect. Because the management of pterygium is often difficult, we suggest that miR-145 should be further studied as a potential treatment.
SETTING: Ophthalmology department of a tertiary medical center.
DESIGN: : Case series study.
METHODS: Information regarding patient age, pterygium recurrence and pterygium severity (extension [E], vascularity [V] and thickness [T]) were gathered from records. Expression levels of miR-145 were obtained through examination of excised pterygium tissue. Correlations between age, pterygium classification, and miR-145 levels were evaluated.
RESULTS: This study evaluated 253 patients (mean age 54.1±10.8 years). As pterygium severity increased, miR-145 levels decreased. Negative correlations were also found between miR-145 expression levels and pterygium extension (E) and vascularity (V). Thickness (T) had a weak negative correlation. There was only a mild negative correlation between patient age and miR-145 levels, which was only seen in patients with primary pterygium (not recurrent ones). Additionally, miR-145 expression was significantly higher in primary samples than in recurrent ones.
CONCLUSIONS: We demonstrated an association between miR-145 and pterygium characteristics, consistent with its known tumor suppression effect. Because the management of pterygium is often difficult, we suggest that miR-145 should be further studied as a potential treatment.