The recirculation behavior of T dependent and B dependent lymphocytes in the rat

R. Dionigi, A. Zonta, L. Dominioni, P. Dionigi

Research output: Contribution to journalArticle

Abstract

Lymphocyte mobilization in peripheral blood and lymphoid structures of rats is evaluated after prolonged thoracic duct drainage. Selective depletion of T dependent areas is shown to occur after 6 days of drainage. Lymphocytes not mobilizable from blood (NRL) and from lymphoid structures appear to be B dependent cells. Two major lymphocyte populations, differing in kinetic behavior and histologic distribution, are identified: the promptly recirculating lymphocytes (PRL), T dependent, and the slowly recirculating lymphocytes (SRL), B dependent. An analysis of daily lymphocyte output from the thoracic duct is carried on, and a computation of the PRL is made in 2 different ways, both indicating that in Sprague Dawley rats the PRL pool is made of 7.2 x 109 cells/kg.

Original languageEnglish
Pages (from-to)361-368
Number of pages8
JournalBollettino dell'Istituto Sieroterapico Milanese
Volume53
Issue number2
Publication statusPublished - 1974

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Lymphocytes
Thoracic Duct
Drainage
Sprague Dawley Rats
Population

ASJC Scopus subject areas

  • Immunology

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The recirculation behavior of T dependent and B dependent lymphocytes in the rat. / Dionigi, R.; Zonta, A.; Dominioni, L.; Dionigi, P.

In: Bollettino dell'Istituto Sieroterapico Milanese, Vol. 53, No. 2, 1974, p. 361-368.

Research output: Contribution to journalArticle

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