Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0019829 (Hodgkin's disease)
 30,247 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Peripheral blood lymphocytes from six untreated patients with Hodgkin's disease were exposed to various doses of ionizing radiation in vitro and thereafter tested for reactivity to PHA and ConA using DNA synthesis as a marker of viability. While the responsiveness of Hodgkin's disease lymphocytes was abolished by moderate radiation doses, the proliferative activity of healthy controls' lymphocytes was reduced in a biphasic fashion suggesting the presence of one relatively radiation-sensitive and one relatively resistant cell population.
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PMID:The effect of in vitro irradiation on mitogenic responsiveness of peripheral blood lymphocytes from untreated patients with Hodgkin's disease. 49 12

The capacity of peripheral blood lymphocytes from fifteen patients with untreated Hodgkin's disease to form E-rosettes with sheep erytrocytes and to respond to PHA stimulation was found to be impaired in 47% of patients. When peripheral blood lymphocytes were incubated overnight in culture medium containing 20% fetal calf serum, E-RFC levels and the capacity to respond to PHA returned to normal. These functions were resuppressed by additional incubation with Hodgkin's disease serum but not from normal serum. The Hodgkin's disease serum inhibited normal peripheral blood lymphocytes to form E-rosettes and to respond to PHA.
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PMID:[Cellular immunity in patients with Hodgkin's disease: modification induced by incubating lymphocytes with fetal calf serum and Hodgkin's serum]. 55 40

In Hodgkin's disease, blood cultures showed a close relationship between the rate of blastic transformation of PHA-stimulated lymphocytes and the number of macrophages appearing in unstimulated cultures. Despite individual variations, in single cases the yield of macrophages agreed closely with the lymphocyte transformation rate. Results are discussed in connection with hypothesis on the origin of macrophages in culture.
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PMID:Quantitative studies of macrophages in blood cultures in Hodgkin's disease. 80 71

Leucocytes from normal donors and leukemia patients were isolated and lebelled in vitro with 32P-orthophosphate in order to compare labelling characteristics of nuclear high-molecular weight RNA, labelling characteristics, nucleotide compositions and oligonucleotide frequencies of ribosomal 28 S RNA. These studies revealed 1. structural microheterogeneity of 28 S RNA between the various leukemia cells studies without presenting a leukemia-specific structural marker, 2. an impaired production of ribosomal 28 S RNA from its nuclear precursor 45 S RNA in acute myeloblastic leukemia compared to PHA-stimulated normal lymphocytes. In the second part of this work, the influence of RNA from immunocompetent lymphocytes on the PHA-stimulation of M. Hodgkin lymphocytes was analyzed; the third part deals with studies on macromolecular carriers forcytostatic anthracyclines in human leukemia cells.
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PMID:[Macromolecular biochemistry of normal and pathological white blood cells in man]. 83 49

Lymphocytes of 19 unselected patients with Hodgkin's disease were stimulated with PHA in vitro using a microculture system. The sera of these donors were simultaneously tested for their ability to support PHA-induced stimulation of normal lymphocytes as compared to sera drawn from healthy volumteers. Wheras DNA synthesis in Hodgkin's disease using normal sera was almost uniformly decreased, transformation of normal lymphocytes was suppressed in 9 of 11 sera from patients with Hodgkin's disease without splenectomy, but only in 1 of 8 sera from patients tested after removal of the spleen. 3 donors could be tested both before and after splenectomy, 2 showed a complete disappearance of inhibiting substances in their sera. These findings are discussed as to the immunological significance of inhibiting factors and splenectomy in Hodgkin's disease.
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PMID:A micro-method for PHA-induced stimulation of human lymphocytes. II. communication: effect of splenectomy on the inhibitory activity of serum in patients with Hodgkin's disease. 86 5

Serum zinc levels, total lymphocyte counts, cutaneous reactivity to three intradermal antigens and the in vitro lymphoblastic transformation response to PHA were evaluated in 24 children with Hodgkin's disease and 20 control cases. Serum zinc level was measured by atomic absorption spectrophotometer (Perkin Elmer M 103) in Hodgkin's cases and found to be significantly decreased in the whole group of patients and reached the lowest level in LD type and the IVth stage of disease. The overall response to PHA was reduced in Hodgkin's cases. It was significantly low in the group of LD subtype. Delayed cutaneous hypersensitivity reactions were also markedly decreased in the IV stage and MC, LP subtypes of Hodgkin's patients. Our preliminary results disclosed a relationship between serum zinc level and the lymphocyte abnormalities in Hodgkin's disease.
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PMID:Serum zinc levels, lymphocyte counts and functions in pediatric Hodgkin's disease. 90 36

Blood was cultured from 17 normal subjects, 28 cases of untreated chronic lymphocytic leukaemia (CLL) and 41 cases of Hodgkin's disease. Macrophages were not observed in PHA-stimulated cultures of normal subjects, of CLL or of 18 cases of Hodgkin's disease. The latter had an almost normal rate of lymphocyte blast transformation (70,2 +/- 7,2%).on the other hand, macrophages were numerous in PHA-stimulated cultures of 23 cases of Hodgkin's disease with a low blast transformation (28.4 +/- 13,7%). In Hodgkin's disease the development of macrophages in PHA cultures may be related to the lower blast transformation and cytotoxic activity of lymphocytes. In CLL the dilution of lymphocytes and monocytes by leukaemic B cells may account both for PHA unresponsiveness and low yield of macrophages in culture.
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PMID:[In vitro development of macrophages from PHA-stimulated blood cultures in Hodgkin's disease and in chronic lymphocytic leukaemia (author's transl)]. 101 13

Immunological test alterations in Hodgkin's disease are described. Cutaneous reactivity to various antigens (tuberculin, oidiomycin, trichophytin, parotitis virus, candida, etc.), cutaneous reactivity to sensitizing chemical agents (DNCB, DNFB), lymphocyte blastization in vitro with PHA and various antigens, the reaction of homologous lymphocytes transferred to the skin, and the stimulation by the Hodgkin lymphocytes of homologous lymphocytes in unidirectional mixed culture, are all impaired. Antibody immunity would appear to be normal. The impairment of the T system and normality of the B system would explain these patients' much greater susceptibility to viral than to bacterial diseases. On the basis of the most recent research, it is hypothesized that underlying these phenomena is a deficiency in the H-LA system which makes it unable to recognize certain neoplastic antigens (Reed-Strenberg reticular cells, for example); stimulation of the B system by the formation of anti-T antibodies and subsequent depletion of this system.
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PMID:[Immunological aspects of Hodgkin's disease]. 107 22

Blood lymphocytes from twenty-three untreated patients with Hodgkin's disease and twelve healthy controls were studied for their ability to lyse tissue culture cells (Chang cells) labelled with [51Cr]chromate. Lysis induced by patients' lymphocytes in the presence of PHA or rabbit IgG antibodies to Chang cells (ACS) was impaired in some, and higher than normal in others. ACS-induced lysis showed some corlation with the content of lymphocytes carrying receptors for human complement (CRL) in the effectory population. No correlation with immunoglobulin-bearing cells was noted. PHA-induced cytoxicity did not correlate with lymphocyte subpopulations. The observations are consistent with the assumption that effector cells of antibody-induced lymphocyte-mediated cytotoxicity (K cells) may be present among CRL. The K-cell activity and PHA cytotoxicity by lymphocytes tended to decrease at high age, but impaired cytotoxity was also noted in young patients. A preliminary follow-up of patients 1-2 years after the beginning of treatment revealed almost abolished K-cell activity in four patients who died 6--13 months after testing. Patients in incomplete remission or with relapse after treatment had lower mean K-cell activity than those in complete remission. A similar, but less pronounced tendency was found for PHA-induced cytotoxicity. A prognostic role of impaired K-cell activity in Hodgkin's disease is suggested from these data, but requires confirmation in a larger clinical follow-up.
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PMID:Cytotoxic activity of lymphocytes from patients with Hodgkin's disease. 108 33

Cellular responses were studied in patients with Hodgkin's disease before and after levamisole treatment "in vivo" by measuring delayed skin reactivity to various antigens (PPD, Mumps, Candida and SK-SD), and "in vitro" by evaluating lymphocyte capacity to form spontaneous rosettes and to react to the T-cell mitogen PHA. Levamisole was found to significantly increase both the delayed skin reactivity and the number of T-rosette forming lymphocytes. Patients within two years from irradiation had reduced reactivity to PHA and in them levamisole significantly increased this reactivity. On the other hand, patients who had been irradiated more than two years prior to the study had normal reactivity to PHA which tended to decrease under levamisole treatment. It is concluded that levamisole restores the depressed cellular immunity in patients with Hodgkin's disease and its administration might be indicated in patients, especially in the immediate post-irradiation period.
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PMID:Restoration of cellular immune response by levamisole in patients with Hodgkin's disease. 108 52


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