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

We studied the peripheral blood of 37 patients with hairy cell leukemia (HCL) prior to (n = 24) or following (n = 19) splenectomy, in the Hemalog D multi-channel white cell differential counter, to investigate whether the apparatus could contribute to the (early) diagnosis of this entity and to the differential diagnosis of HCL from atypical hairy cell leukemia (AHCL; n = 9), chronic lymphocytic leukemia (CLL; n = 21) and leukemic non-Hodgkin lymphoma of low-grade malignancy (LNHL; n = 19). HCL showed almost invariably monocytopenia, neutropenia and an increased percentage of LUC, with a rather typical picture of the X-Y display of the peroxidase channel. The percentage of hairy cells closely correlated with the percentage of the LUC from the Hemalog D. Discriminant analysis using several parameters of the Hemalog D differential count resulted in a complete separation of HCL from CLL, and a fair, although not complete, distinction of HCL from AHCL and LNHL. It was impossible to discriminate between AHCL and LNHL. The most important discriminating (single or combined) parameters were the absolute monocyte count, the TWBC and the absolute neutrophil number. It is concluded that the Hemalog D is a valuable tool in the (early) diagnosis of HCL and in the discrimination between HCL and other leukemic lymphoproliferative disorders.
...
PMID:The Hemalog D automated differential counter in the diagnosis of hairy cell leukemia. 685 71

To clarify the origin of Hodgkin (H) and Sternberg-Reed (SR) cells, frozen sections of lymph nodes from 25 patients with Hodgkin's disease were immunostained with a large panel of monoclonal antibodies reactive with cells of lymphoid tissue and granulopoiesis. The results showed that (a) H and SR cells are devoid of markers specific to, or characteristic of B cells, macrophages, dendritic reticulum cells, or interdigitating reticulum cells, and (b) the vast majority of H and SR cells contain granulocyte-related antigens detectable with the monoclonal antibodies TU9 and 3C4, but constantly lack other granulocytic cell markers (such as peroxidase and chloroacetate esterase). Monoclonal antibodies raised against a Hodgkin's disease-derived cell line included one, Ki-l, that was found to be selectively reactive with H and SR cells and a minute, but distinct, cell population in normal lymphoid tissue and bone marrow. The latter hitherto unknown cell population appears to be the normal equivalent of H and SR cells.
...
PMID:Evidence for the origin of Hodgkin and Sternberg-Reed cells from a newly detected small cell population. 686 7

In this study the problems encountered in staining immunoglobulin (Ig) in sections of paraffin-embedded human lymphoma samples have been investigated. It was found that the "masking' of cytoplasmic Ig, which occurs when tissues are fixed in formol saline (the fixative employed in most previous studies), can be avoided by the use of mercury-based fixatives. When non-Hodgkin's lymphoma samples fixed in this way were studied it was found that cytoplasmic Ig labelling of both lymphoid and histiocytic cells is often attributable to non-specific uptake of serum proteins. This phenomenon probably accounts for a number of published anomalous immunoperoxidase staining results in human lymphoma (e.g. the presence of both kappa and lambda chains in the same neoplastic cell). Double immunoenzymatic labelling (using alkaline phosphatase and peroxidase) proved valuable in the elucidation of this phenomenon. When staining due to absorbed Ig was discounted it was possible to demonstrate monoclonal Ig labelling in seven out of sixteen cases of non-Hodgkin's lymphoma. In each case IgM was found in association with a single light chain type and these results were in agreement with those obtained by direct immunofluorescent labelling of cryostat sections. In a further case u chains without associated light chains were demonstrated by immunoperoxidase staining. Seven cases of Hodgkin's disease were studied by immunoenzymatic techniques. Although IgG was frequently found in Reed-Sternberg and Hodgkin's cells its presence was not attributable to non-specific uptake of serum protein since albumin was absent or only present in small amounts. These findings are in support of the macrophage origin of these cells.
...
PMID:An immunohistological study of human lymphoma. 700 85

Eighty-three non-Hodgkin lymphomas classified according to the Kiel classification have been studied with regard to surface immunoglobulin (sIg) on cells in suspension and cytoplasmic immunoglobulin (cIg) by the peroxidase anti-peroxidase method (PAP) on formaline-fixed tissue sections. Fifty-six out of 66 examined (i.e. 85%) revealed a monoclonal staining pattern for sIg, whereas 37/70 (53%) gave a monoclonal staining pattern for cIg by PAP. The methods combined gave a monoclonal staining pattern in 73/83, i.e. in 88%, of the biopsies tested. The discrepancies between the two methods were largest in centroblastic/centrocytic and lymphocytic lymphomas. With regard to the light chain staining patterns, complete agreement between the two methods was obtained in the 20 cases that allowed such analysis to be made. This suggests that the specificity of PAP, as carried out in this study with reagents purified by immunoabsorbent techniques, is satisfactory. On a basis of heavy chain isotypes centroblastic/centrocytic, lymphoplasmacytoid, and immunoblastic lymphomas could be divided into distinct immunological subgroups. In four biopsies the sIg heavy chains were mu + delta, whereas mu + gamma chains were detected by PAP. This finding may be relevant to the mu leads to gamma switch known to occur during normal B-cell differentiation. Immunoglobulin inclusions were found in 8 cases--3 belonging to the immunoblastic group, and 5 to the lymphoplasmacytoid group.
...
PMID:Cell-associated immunoglobulin in human non-Hodgkin lymphomas. A comparative study of surface immunoglobulin on cells in suspension and cytoplasmic immunoglobulin by immunohistochemistry. 702 87

A monoclonal antibody, F11, was produced against a tumor-associated antigen from the spent medium of the M14 human malignant melanoma cell line which was grown continuously in serum-free medium. Ouchterlony double-diffusion study revealed that the F11 monoclonal antibody is an immunoglobulin G1. The F11 monoclonal antibody reacted positively with seven of eight (88%) melanoma, five of five (100%) carcinoma, zero to five normal, and zero of two lymphoblastoid cell lines by indirect immunofluorescence test. Also, by indirect immunofluorescence test, F11 monoclonal antibody reacted with cryostat sections from four of five (80%) melanomas, six of seven (86%) carcinomas, zero of one benign nevus, and zero of two benign breast diseases. By the indirect avidin:biotin:peroxidase complex immunoperoxidase method, the F11 monoclonal antibody reacted positively with cryostat sections from five of five (100%) melanomas, five of five (100%) breast cancers, two of two (100%) colon cancers, zero of one benign nevus, and zero of one Hodgkin's disease spleen. Thus, the tumor-associated antigen that the F11 monoclonal antibody recognizes appears to be expressed by melanomas and carcinomas, hence the designation melanoma-carcinoma-associated antigen. Microscopic observations disclosed that the melanoma-carcinoma-associated antigen is present in the cytoplasm, on the membrane of melanoma and carcinoma cells, and in the lumen of glandular structures of breast and colon carcinomas. The molecular weight of the melanoma-carcinoma-associated antigen in spent medium from the M14 CEM cell line is 100,000 as determined by sodium dodecyl sulfate:polyacrylamide gel electrophoretic analysis of indirect immunoprecipitates obtained with the F11 monoclonal antibody.
...
PMID:Mouse monoclonal antibody to a melanoma-carcinoma-associated antigen synthesized by a human melanoma cell line propagated in serum-free medium. 704 18

Two in vitro cell lines (L428, L439) were established from pleural effusions of two patients with Hodgkin's disease. The histological diagnosis was ascertained in both cases by two independent pathologists. The neoplastic nature of the culture cells is indicated by the demonstration of several structural and numerical chromosome abnormalities associated with a monoclonal pattern of marker chromosomes. Heterotransplantation in nude mice was achieved by intracranial inoculation and by subcutaneous transplantation of cultured cells embedded in a plasma clot. EBV-specific antigens (EBNA, VCA) were not detectable in either cell line. Ia-like antigens, receptors for T cells, acid phosphatase and acid esterase were shown to be present in the cultured cells. The L428 and L439 cell line lacked surface- or cytoplasmic Ig, HTLA, receptors for C3b, C3d, IgG-Fc, mouse E or sheep E, and were devoid of lysozyme, peroxidase and chloracetate esterase. These features do not correspond to those of B cells, T cells, myeloid cells, monocytes or macrophages; the morphology and the marker pattern of the culture cells, however, is identical with that of freshly obtained Hodgkin (H)- and Sternberg-Reed (SR)- cells, except for the lack of Clg in the in vitro cells, which is explained by the culture conditions. These findings suggest that the L428 and L439 cell lines are indeed derived from H- and SR-cells and offer the possibility of gaining new information upon the nature of Hodgkin's disease.
...
PMID:Two neoplastic cell lines with unique features derived from Hodgkin's disease. 721 41

Four in vitro cell lines (L 428, L 439, L 538, and L 540) were established from different materials of three patients with Hodgkin's disease: pleural effusions, peripheral blood, and bone marrow. The histological diagnosis was confirmed in all cases by several independent histologists. All four cell lines have been in culture for over 6 months up to over 3 years. The neoplastic nature of the culture cells is indicated by the demonstration of several structural and numeric chromosome abnormalities associated with a monoclonal pattern of marker chromosomes. EBV-specific antigens (EBNA, VCA) were not detected in either cell line. Ia-like antigens, receptors for human T cells, acid phosphatase, and acid esterase were showen to be present in the cultured cells. All cell lines lacked surface or cytoplasmic Ig, HTLA, receptors for C3b, C3d, IgG-Fc, mouse E or sheep E, and were devoid of lysozyme, peroxidase, and chloracetate esterase. The described features do not represent B cells, T cells, myeloid cells, monocytes, or macrophages. The morphology and the marker pattern of the culture cells, however, is identical with that of freshly obtained Hodgkin's (H)- and Sternberg-Reed (SR)-cells, except for the lack of CIg in the in vitro cells, which is explained by the culture conditions. Heterotransplantation in nude mice was achieved by intracranial inoculation and by s.c. transplantation of cultured cells embedded in a plasma clot. The described findings suggest that these cultured Hodgkin's cell lines are indeed derived from H and SR cells. The cellular origin of these cells is not clear, the loss of cellular differential markers during the process of possible dedifferentiation is discussed.
...
PMID:Hodgkin's disease: establishment and characterization of four in vitro cell lies. 727 66

In vitro culturing of lymph node cells from a human non-Hodgkin lymphoma gave rise to several colonies of eosinophil-like cells. Eosinophil colonies originated from cells that during the first week of culture had a fibroblast appearance and were adherent to plastic. The tissue culture was sacrificed after 14 days. At that time each colony was formed by 20-50 cells with intracytoplasmic peroxidase-positive and eosinophilic granules. Cells comprising the colonies exhibited different degrees of differentiation. Some of the cells (26.6%) were mature eosinophils, the majority (66.8%) resembled eosinophil myelocytes, and some other (4.6%) had a fibroblast appearance. One or two multinucleated giant cells were often present in the center of most of the colonies. These cells contained up to 10 nuclei, which were arranged in a "ring form" or centrally located; giant cells with a single, central, large, multilobed nucleus were also observed. Cells belonging to other myelopoietic lines could not be identified in the tissue culture. Histological examination of the lymph node revealed extensive presence of eosinophils at various degrees of maturation but absence of other myelopoietic lines.
...
PMID:In vitro formation of eosinophil-like colonies by lymph node cells from a human lymphoma. 744 97

The immunoreactivity of a CD1a monoclonal antibody (MAb), denoted 010, was investigated by means of the streptavidin-biotin-peroxidase method in formalin-fixed and paraffin-embedded tissues from 47 cases. The samples comprised reactive lymphoid proliferations of skin, tonsil, and lymph node including dermatopathic lymphadenopathy and Langerhans' cell histiocytosis, Hodgkin's and non-Hodgkin's lymphomas, and thymomas. Interdigitating and dermal dendritic cells, veiled cells, Langerhans' cells, and also cortical thymocytes and their neoplastic counterparts displayed immunostaining with MAb 010 in paraffin sections. These results are identical to previous ones reported for other CD1a MAbs in fresh or frozen specimens. The findings suggest that the binding site of 010 is a fixation-resistant epitope of CD1a antigen which has not been previously identified.
...
PMID:Immunohistochemical detection of CD1A antigen in formalin-fixed and paraffin-embedded tissue sections with monoclonal antibody 010. 750 72

Epstein-Barr virus (EBV) has been implicated in the etiology of a large number of malignancies. Most recently several studies have linked EBV to Hodgkin's disease. In this report, formalin-fixed, paraffin-embedded tissues were collected retrospectively from 41 children with Hodgkin's disease treated at our hospital. Lymph node biopsies were examined for the presence of two virus-encoded latent proteins: latent membrane protein (LMP) and Epstein-Barr nuclear antigen-2 (EBNA-2), in Reed-Sternberg (RS) and Hodgkin (H) cells, by peroxidase immunolabeling. Nonisotopic Epstein-Barr encoded RNAs (EBERs) in situ hybridization was also performed and positive labeling in malignant cells was detected. Twenty specimens were EBER+/LMP+, 2 were EBER+/LMP-, and 19 were EBER-/LMP-. However, none of the 41 cases expressed EBNA-2. Twenty-two of 41 (54%) cases were EBV positive including 2 of 6 with lymphocyte predominance, 19 of 25 with mixed cellularity, 0 of 9 with nodular sclerosis, and 1 of 1 with lymphocyte depletion. In the age range of 2 to 6 years, 14 of 17 (82%) samples were EBV-positive, whereas only 8 of 24 (33%) samples from the age range of 7 to 15 years contained EBV. (P = .004), a two-tailed Fisher's test). In 17 samples, polymerase chain reaction amplification was performed using strain specific primers for exon sequences of the EBNA-3C gene of EBV. From 12 positive samples, 8 contained EBV-A and 4 EBV-B. These results support the hypothesis that EBV contributes to the pathogenesis of pediatric Hodgkin's disease, particularly in mixed cellularity Hodgkin's disease and in the younger group.
...
PMID:Presence of Epstein-Barr virus and strain type assignment in Argentine childhood Hodgkin's disease. 757 62


<< Previous 1 2 3 4 5 6 7 8 9 10 Next >>