PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23110086-0 2012 Age-dependent changes in the sphingolipid composition of mouse CD4+ T cell membranes and immune synapses implicate glucosylceramides in age-related T cell dysfunction. Glucosylceramides 115-132 CD4 antigen Mus musculus 63-66 23110086-8 2012 These results suggest that reductions in glucosylceramide abundance contribute to age-related impairments in CD4(+) T cell function. Glucosylceramides 41-57 CD4 antigen Mus musculus 109-112