Clear cell renal cell carcinoma (ccRCC) is the most lethal urological cancer and is characterized by a high rate of metastasis and relapse. N6-Methyladenosine (m 6 A) is implicated in various stages of cancer development. However, a thorough understanding of m 6 A-modified lncRNAs in ccRCC is lacking. The results showed that METTL14 had decreased expression in ccRCC tissues. In addition, the expression of METTL14 was negatively correlated to the prognosis, stage, and ccRCC tumor grade. The silencing of METTL14 was shown to significantly increase metastasis in vitro and in vivo. Highthroughput methylated RNA immunoprecipitation sequencing (MeRIP-seq) showed that the m 6 A levels of Lnc-LSG1 could be regulated by METTL14. Lnc-LSG1 can directly bind to ESRP2 protein and promote ESRP2 degradation via facilitating ESRP2 ubiquitination. However, m 6 A modification on Lnc-LSG1 can block the interaction between Lnc-LSG1 and ESRP2 via the m 6 A reader, YTHDC1. Taken together, our findings unraveled the novel mechanism of METTL14 inhibiting ccRCC progression, and explored the correlation between m 6 A and lncRNA in ccRCC for the first time.
The white blood count decreased drastically within the first 2 hours during the development of uroseptic shock. This could be an ideal predictor of uroseptic shock after upper urinary tract endoscopic lithotripsy. In patients with high risk factors for uroseptic shock the white blood count should be measured within 2 hours after upper urinary tract endoscopic lithotripsy.
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