PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31692231-4 2020 Consistently, the expression of CerS1 and CerS5 mRNA, encoding the ceramide synthases (CerS) with substrate preference for C16:0 and C18:0 acyl chains, respectively, was down-regulated in skeletal muscle of aged mice. Acyl Coenzyme A 139-143 ceramide synthase 5 Mus musculus 42-47