Immune function in congenital osteopetrosis: defective lymphocyte function in microphthalmic mice

Developmental and Comparative Immunology
C MinkinS A Stohlman

Abstract

Osteopetrosis is a prominent feature of a congenital mutation described in microphthalmic mice and is thought to be due to defective osteoclast function which causes a generalized lack of bone resorption. Reversal of defective bone resorption in osteopetrotic mutants has been achieved by hematopoietic cell transplantations; and conversely, defective bone resorption has been transferred to normals by hematopoietic cells from osteopetrotic littermates. This suggested that osteopetrotic mutants might also demonstrate defective immune functions which could in turn be related to the lack of normal bone resorption. To that end, aspects of in vitro lymphocyte function in microphthalmic mice were compared to those of their phenotypically normal littermates. There was a significant diminution in the proliferative response of splenocytes to mitogens in microphthalmic mice. Microphthalmic splenocytes also were less responsive in an in vitro assay which measured the capacity to form antibody forming cells.

References

Jan 1, 1977·Proceedings of the National Academy of Sciences of the United States of America·G MilhaudL Chedid
May 25, 1973·Science·D G Walker

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Citations

Jul 1, 1991·The American Journal of Anatomy·L D Shultz

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