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© Research
Publication : European journal of immunology

Comparative study of VH gene family usage by newborn xid and non-xid mice, newborn NZB and adult NZB mice, and by splenic and peritoneal cavity B cell compartments

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in European journal of immunology - 01 Dec 1988

Dighiero G, Lim A, Lembezat MP, Kaushik A, Andrade L, Freitas A

Link to Pubmed [PMID] – 3146510

Eur. J. Immunol. 1988 Dec;18(12):1979-83

RNA from 170 different Ig-secreting hybridomas was hybridized with VH gene probes 7183, QUPC52, S107, J558, J606, 36-60, V31, X-24 and V-GAM 3.8, with the aim of comparing xid to non-xid mice, neonatal NZB to adult NZB, and the peritoneal cavity with the splenic compartments for VH gene family expression. Our results indicate that (a) defective F1 male xid mice express with high frequency 36-60 and J606 5′ proximal VH families, when compared to non-xid F1 females of the same matings. (b) Neonatal NZB mice express 3′ proximal 7183 and QUPC52 families with high frequency, when compared to adult mice and to the expected values derived from VH complexity. (c) Natural antibodies against cytoskeleton proteins, DNA, rabbit IgG and 2,4,6-trinitrophenyl did not appear to prefer a particular VH family. The only difference found is related to age; neonatal clones preferentially employ 7183 and QUPC52 while J558 predominates among adult clones. (d) All the 15 antibodies directed against bromelin-treated mouse red blood cells failed to hybridize with any of the nine VH probes employed. These results confirm previous findings indicating the highly homogeneous pattern of these latter antibodies, and suggest that they are encoded by a new VH family (VH11).

http://www.ncbi.nlm.nih.gov/pubmed/3146510