TUG1 and COVID-19: PTEN is also upregulated in the ceRNA network predicted by lncRNA TUG1; thus, the lncRNA TUG1-hsa-miR-29a-3p/hsa-miR-29b-3p/hsa-miR-144-3p-PTEN network has the potential to play a role in the COVID-19 anti-inflammatory response and ARDS.