PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17535804-5 2007 The levels of glucosylceramide and lactosylceramide increased in parallel with Gb3 levels in an age-dependent manner, whereas globotetraosylceramide (Gb4) levels reached maximal levels by 6 months of age and then rapidly decreased at older ages. Glucosylceramides 14-30 alpha 1,4-galactosyltransferase (P blood group) Homo sapiens 79-82