PMID: 6991886Jan 1, 1980Paper

Adjuvant action of capsular polysaccharide of Klebsiella pneumoniae on antibody response. VIII. Its effect on the size and the number of cells of regional lymph node and other lymphoid organs

Microbiology and Immunology
T YokochiN Kato

Abstract

Changes in the number of cells and the weight of various lymphoid organs of mice, such as the regional lymph node (right inguinal node), spleen, thymus, bone marrow, and peripheral blood, were followed after the subcutaneous injection of the capsular polysaccharide of Klebsiella pneumoniae (CPS-K). For comparison, the changes after injection of various polyclonal lymphocyte activators (PLA) including various preparations of bacterial lipopolysaccharide (LPS) were concurrently studied. The number of cells of all of the lymphoid organs tested and that of nucleated cells in the peripheral blood decreased significantly within a few days after injection of CPS-K, and increased later. Above all, the increase in the number of cells and in the weight of the regional lymph node was most prominent (about 10 times larger than that of the normal control). Such a marked increase in the number of cells of the regional lymph node was not induced by the injection of any preparation of LPS or any other PLA tested. The initial decrease in the number of cells after CPS-K injection was most marked and long lasting in the thymus. Although LPS prepared by Westphal's method from Escherichia coli 055 or Salmonella enteritidis exhibited a stronger decr...Continue Reading

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Mar 1, 1995·Infection and Immunity·M NorimatsuY Tamura

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