Numerous studies have indicated that lncRNA PVT1 will most likely become a novel target for cancer therapy with the deepening systematic research.

The C-12 multiple tumor protein-chip detective system has acceptable sensitivity in the diagnostic of lung cancer.

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PVT1 could serve as a potent predicator of prognosis in different types of cancers.

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ABSTRACT. The purpose of this study was to identify specific biomarkers for recurrence or metastasis of esophageal carcinoma in serum of patients subjected to esophagectomy. Surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF-MS) combined with IMAC-Cu 2+ ProteinChip array were performed for the serum protein profiling in patients after surgical resection of esophageal carcinoma. Two groups of patients were analyzed: 38 patients without recurrence or metastasis (Group 1) and 22 patients with recurrence or metastasis after resection (Group 2). The Biomarker Wizard and Biomarker Patterns software were used to identify proteins differentially expressed between the 2 groups. There were 33 differentially expressed serum proteins detected by comparison between the groups. The classification tree model composed of 3 differentially expressed proteins with different m/z (9368.63, 5342.59, and 5254.43 Da) was established. Under the learning mode, the sensitivity and specificity of this model for diagnosis of esophageal carcinoma recurrence or metastasis were 539 ©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 13 (1): 538-545 (2014) Serum proteomic features in patients with metastasis both 100% (22/22 and 38/38, respectively). Under the testing mode, the sensitivity and specificity were 90.9% (20/22) and 94.7% (36/38), respectively. The recurrence or metastasis of esophageal carcinoma after esophagectomy can be rapidly and accurately detected using the combination of SELDI-TOF-MS with IMAC-Cu 2+ ProteinChip array, which, therefore, has a potential for clinical application.

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