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Cyclophosphamide (Cy) treatment (150 mg/kg) of Sprague-Dawley rats 48 hr before immunization with a T-dependent antigen, ovalbumin (OVA), resulted in striking bone marrow, blood and tissue eosinophilia, maximal at 14 days and concurrent with profound lymphopenia. This phenomenon has been tentatively attributed to selective elimination by Cy of T-suppressor(More)
Administration of cyclophosphamide (Cy: 150 mg/kg i.p.) to rats 48 h before immunization with a T-dependent antigen (ovalbumin) resulted in a striking absolute eosinophilia in blood, bone marrow, and secondary lymphoid organs after 10 to 14 days. This eosinophilia was preceded by a significant increase in the W3/25+/OX-8+ (T helper/inducer to T(More)
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