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Abnormal development of peripheral lymphoid organs in mice deficient in lymphotoxin.

Science (New York, N.Y.) | Apr 29, 1994

http://www.ncbi.nlm.nih.gov/pubmed/8171322

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 cells 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.

Pubmed ID: 8171322 RIS Download

Mesh terms: Animals | B-Lymphocytes | Blastocyst | Cytotoxicity, Immunologic | Female | Leukocyte Count | Lymph Nodes | Lymphoid Tissue | Lymphotoxin-alpha | Male | Mice | Mice, Inbred C57BL | Mice, Knockout | Peyer's Patches | Receptors, Tumor Necrosis Factor | Spleen | T-Lymphocyte Subsets | T-Lymphocytes | Thymus Gland | Tumor Necrosis Factor-alpha

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Associated grants

  • Agency: NCI NIH HHS, Id: CA 16885
  • Agency: NCI NIH HHS, Id: CA 28533

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