PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2428512-2 1986 The results indicate that for both BALB/c mice (Igha) and B10.D2 mice (Ighb) the frequency of (4-hydroxy-3-nitrophenyl)acetyl (NP)-responsive splenic B cells is approximately twofold lower, on a per B cell basis, in aged mice as compared to young adults. 4-hydroxy-5-nitrophenyl acetic acid 94-125 immunoglobulin heavy constant alpha Mus musculus 48-52 2428512-2 1986 The results indicate that for both BALB/c mice (Igha) and B10.D2 mice (Ighb) the frequency of (4-hydroxy-3-nitrophenyl)acetyl (NP)-responsive splenic B cells is approximately twofold lower, on a per B cell basis, in aged mice as compared to young adults. 4-hydroxy-5-nitrophenyl acetic acid 127-129 immunoglobulin heavy constant alpha Mus musculus 48-52