WARS1 and cancer: Among AaRSs, tryptophanyl tRNA synthetase 1 (WARS1), which is crucial for the attachment of tryptophan (Trp) to its corresponding tRNA, is frequently mutated in various cancers, including lung, breast, and ovarian, as reported in the cBioPortal database (https://www.cbioportal.org/) [9, 20–23].