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Lamina propria cells were isolated by enzymatic procedure. All lymphocytes were passed over nylon wool columns in order to remove B cells; then the T cells were purified by a panning technique using monoclonal anti-T cell antibodies. Changes in the mitogen-stimulated synthesis of 1gM, IgG and IgA by normal peripheral blood indicator lymphocytes, as measured by sandwich ELISA, was used as an index of help and\/or suppression. No significant suppressor T cell activity was observed in the cultures, either from control or infected intestine.<\/jats:p>","DOI":"10.1017\/s0022149x00012803","type":"journal-article","created":{"date-parts":[[2009,6,5]],"date-time":"2009-06-05T15:12:23Z","timestamp":1244214743000},"page":"17-23","source":"Crossref","is-referenced-by-count":1,"title":["Failure to demonstrate suppressor T cell activity in the lamina propria of<i>Hymenolepis diminuta<\/i>-infected rats"],"prefix":"10.1017","volume":"67","author":[{"given":"C.","family":"Palmas","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Wakelin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Bortoletti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. 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