1974
DOI: 10.1159/000208279
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PHA Response of Blood and Lymph Node Lymphocytes <i>in vitro</i> in Malignant Lymphomas

Abstract: In vitro blastic phytohaemagglutinin (PHA) transformation of blood and lymph node lymphocytes from cases of lymphadenitis, malignant lymphomas, and chronic lymphocytic leukaemia (CLL) has been studied. In lymphosarcoma and CLL the percentage of PHA-transformed lymph node lymphocytes was low, thus suggesting that such lymphocytes are of the B type. In Hodgkin’s disease, blood and lymph node lymphocytes gave PHA transformation nearly as high as in controls; this suggests that T lymphocytes are not necessarily in… Show more

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Cited by 6 publications
(2 citation statements)
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“…It appears, however, that single results of patients with 'disseminated' disease may seem completely normal both in Hodgkin's disease and in solid tumors. Methodological differences and individual differences of reactivity, therefore, may possibly explain why previous investigations of immune reactivity have yielded conflicting results, both in Hodgkin's disease (Denton 1973, Levy & Kaplan 1974, Navone & Stramigioni 1974 and in solid tumors (Garrioch et a1 1970, Paty & Bone 1973. The present study failed to detect any immunological aberration specific to Hodgkin's disease.…”
Section: Reactivity and Stimulatory Capacity In Mlccontrasting
confidence: 66%
“…It appears, however, that single results of patients with 'disseminated' disease may seem completely normal both in Hodgkin's disease and in solid tumors. Methodological differences and individual differences of reactivity, therefore, may possibly explain why previous investigations of immune reactivity have yielded conflicting results, both in Hodgkin's disease (Denton 1973, Levy & Kaplan 1974, Navone & Stramigioni 1974 and in solid tumors (Garrioch et a1 1970, Paty & Bone 1973. The present study failed to detect any immunological aberration specific to Hodgkin's disease.…”
Section: Reactivity and Stimulatory Capacity In Mlccontrasting
confidence: 66%
“…It is known that non-Hodgkin lymphomas and C. L.L. lymphocytes with Ig surface membrane (B lymphocytes) are very increased both in pery pheral blood and in lymph node suspensions [ 1, 2, 3, 5, 9, 13, 14, 16, 18, 21], whereas, on the contrary, E rosetting and PHA responsive cells (T lymphocytes) show levels lower than normal [2,14,15], Similar immunological modifications were present in 4 out of 6 patients examined (table I): 2 with generalised lymphoma and gastric involvement and 2 out of 4 with primary striking gastric lymphoid ''hyperplasia" . These modifications exceeded widely the range of the normal values (table l) and, in parti cular, both T and B cells show quantitative differences more marked than those of controls with comparable age.…”
Section: Discussionmentioning
confidence: 99%