Journal
BIOMARKERS
Volume 18, Issue 4, Pages 322-330Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/1354750X.2013.781677
Keywords
Circulating miRNA; diagnosis; ESCC; PIM-1; real time PCR; sera
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Funding
- Department of Biotechnology
- Ministry of Science and Technology
- Government of India
- CSIR
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Context: Aberrant expression of miRNAs has emerged as an important hallmark of cancer. Objectives: We evaluated the clinical significance of circulating and tissue miR-107 expression in esophageal squamous cell carcinoma (ESCC) patients. Materials and methods: Quantitative real-time PCR was used to analyze the expression of miR-107 and its bioinformatically identified targets, PIM-1 and CDC42. Results: Significant downregulation of miR-107 was observed in neoplastic and preneoplastic esophageal tissues (p = 0.004). Relative levels of circulating miR-107 significantly distinguished ESCC patients from normal subjects (p = 0.007). Significant inverse correlation was observed between miR-107 and PIM1 expression (r = -0.398; p = 0.015) suggesting PIM1 to be the downstream target of miR-107. Discussion and conclusion: Our results, for the first time, document that the miR-107 levels may discriminate ESCC patients from healthy individuals emphasizing its diagnostic potential.
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