当前位置： SCI文献检索 > SCANDINAVIAN JOURNAL OF IMMUNOLOGY期刊下所有文献 > Trypsin does not reconstitute responsiveness to lipopolysaccharide in the strain C3H/HeJ, but is a B-cell mitogen-like lipopolysaccharide, stimulating a different subpopulation.

Trypsin does not reconstitute responsiveness to lipopolysaccharide in the strain C3H/HeJ, but is a B-cell mitogen-like lipopolysaccharide, stimulating a different subpopulation.

Abstract：

:The effect of trypsin on mouse spleen cells and enriched B cells, added alone or together with lipopolysaccharide (LPS), was investigated. With trypsin, proliferation in serum free spleen cell cultures was 2-6 times greater than the background using cells from LPS responder strains, and 2-4 times the background with cells from the C3H/HeJ strain. Trypsin also induced the formation of a low number of IgM plaque forming cells (PFC). When added together with LPS, trypsin increased the proliferation caused by LPS alone by 10-50% with cells from LPS responder strains and by 50-100% with cells from the LPS non-responder strain C3H/HeJ. Trypsin enhanced proliferation in cultures maximally stimulated by LPS. The increased proliferation obtained when trypsin was added to LPS-stimulation of cells from the C3H/HeJ strain, was therefore not interpreted as a reconstitution of the LPS response. We conclude that trypsin has a moderate mitogenic effect on mouse B cells, stimulating the cells to proliferate and secrete IgM. The mechanism of action is unknown, but is different and independent from the action of LPS.

journal_name

Scand J Immunol

journal_title

Scandinavian journal of immunology

authors

Cardell S,Möller G

doi

10.1111/j.1365-3083.1989.tb01110.x

subject

Has Abstract

pub_date

1989-02-01 00:00:00

pages

143-9

issue

2

eissn

0300-9475

issn

1365-3083

journal_volume

29

pub_type

杂志文章

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