Abnormal Development of Peripheral Lymphoid Organs in Mice Deficient in Lymphotoxin

被引:801
作者
De Togni, Pietro [1 ]
Goellner, Josphe [2 ]
Ruddle, Nancy H. [3 ]
Streeter, Philip R. [2 ]
Fick, Andrea [4 ]
Mariathasan, Sanjeev [4 ]
Smith, Stacy C. [1 ]
Carison, Rebecca [4 ]
Shonnick, Laurie P. [1 ]
strauss-Schoenberger, Jena [2 ]
Russell, John H. [5 ]
Karr, Robert [2 ]
Chaplin, David D. [4 ]
机构
[1] Washington Univ, Sch Med, Dept Internal Med, St Louis, MO 63110 USA
[2] Monsanto Co, Dept Immunol, St Louis, MO 63198 USA
[3] Yale Univ, Sch Med, Dept Epidemiol & Publ Hlth, New Haven, CT 06510 USA
[4] Washington Univ, Sch Med, Howard Hughes Med Inst, St Louis, MO 63110 USA
[5] Washington Univ, Sch Med, Dept Mol Biol & Pharmacol, St Louis, MO 63110 USA
关键词
TUMOR-NECROSIS-FACTOR; FACTOR-BETA LYMPHOTOXIN; FACTOR-ALPHA; INTERFERON-GAMMA; EXPRESSION; CELLS; ACTIVATION; PROLIFERATION; CYTOTOXICITY; LYMPHOCYTES;
D O I
10.1126/science.8171322
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Mice rendered deficient in lymphotoxin (LT) by gene targeting in embryonic stem cells have no morphologically detectable lymph nodes or Peyer's patches, although development of the thymus appears normal. Within the white pulp of the spleen, there is failure of normal segregation of B and T cells. Spleen and peripheral blood contain CD4(+)CD8(-) and CD4(-)CD8(+) T cells in a normal ratio, and both T cell subsets have an apparently normal lytic function. Lymphocytes positive for immunoglobulin M are present in increased numbers in both the spleen and peripheral blood. These data suggest an essential role for LT in the normal development of peripheral lymphoid organs.
引用
收藏
页码:2010 / 2014
页数:5
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