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LncRNA LOXL1-AS1 has been reported to be upregulated in several types of cancer and plays oncogenic roles. We analysed TCGA dataset and observed the downregulation of LOXL1-AS1 in cervical squamous cell carcinoma (CSCC). We therefore analysed the roles of LOXL1-AS1 in CSCC. We observed that LOXL1-AS1 was downregulated in CSCC. LOXL1-AS1 was predicted to interact with miR-21, while overexpression experiments showed that LOXL1-AS1 and miR-21 had no significant effects on the expression of each other. However, LOXL1-AS1 overexpression led to the upregulation of RHOB, a direct target of miR-21. Cell invasion and migration analysis showed decreased invasion and migration rates of CSCC cells after LOXL1-AS1 and RHOB overexpression. MiR-21 played an opposite role at reduced the effects of LOXL1-AS1 and RHOB overexpression. Therefore, LOXL1-AS1 may promote CSCC cell invasion and migration by sponging miR-21 to upregulate RHOB.

Up-regulation of long non-coding RNA LOXL1-AS1 functions as an oncogene in cervical squamous cell carcinoma by sponging miR-21