ABSTRACT. Long noncoding RNAs (lncRNAs) play important roles in the formation and progression of many types of human malignancies. The aim of our study was to investigate the expression and biological functions of the lncRNA BRAF-activated noncoding RNA (BANCR) in human osteosarcoma. BANCR expression was quantified by real-time PCR in human osteosarcoma cell lines and tissues. We analyzed the association between BANCR levels and clinicopathological factors and patient prognosis. MTT, flow cytometric, and transwell invasion assays were performed to observe the effects of BANCR on MG-63 cell biological behaviors. BANCR overexpression was observed in osteosarcoma cell lines and clinical specimens. Increased BANCR expression was significantly associated with large tumor size, positive distant metastasis, and advanced clinical stage. High BANCR expression in osteosarcoma was an independent predictor of poor survival. Downregulation of BANCR inhibited MG-63 cell proliferation and invasion and promoted cell apoptosis in vitro. These findings suggested that BANCR may act as a tumor promoter in osteosarcoma and could serve as a potential therapeutic target for this disease.
ABSTRACT. Brontispa longissima is one of the most serious insect pests of coconut in Southeast Asia; it was first discovered on Hainan Island in June 2002. Despite the economic risk associated with this pest, genetic aspects of the invasion process have remained relatively unexplored. Using microsatellite markers, we investigated the population structure, genetic variability and pattern of invasion in various geographic populations. The methodology was based on a modified biotin-capture method. Eight polymorphic microsatellite loci were isolated and characterized for the pest. The allele number per locus varied from 2 to 3 (N = 30). The expected and observed heterozygosities of the eight loci ranged from 0.042 to 0.509 and from 0.042 to 0.963, respectively. Although the frequency of polymorphisms was not very high in this population, the microsatellite loci that were isolated will be useful for investigating the genetic
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