Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0026764 (multiple myeloma)
 36,148 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In an attempt to associate oropharyngeal excretion of Epstein-Barr (EB) virus with lymphoproliferative disorders other than infectious mononucleosis, we tested throat gargles collected from adult subjects for the EB virus. Nine (16%) of 55 healthy persons were positive. High EB virus-excretion rates were found among patients with active acute lymphocytic leukemia (6/6, 100%), among renal homograft recipients during the third to 12th month after transplantation (26/30, 87%), and among critically ill patients with leukemia-lymphoma (14/19, 74%). Moderately high excretion rates were found among patients with myeloma (7/16, 44%), patients with poorly differentiated lymphocytic lymphoma (5/11, 44%), critically ill patients with solid cancers (15/37, 41%), and patients with chronic myelogenous leukemia (8/21, 38%). Our data suggested that the higher than normal excretion rate is realted to the basic disease process and to the general health status but not to the duration of cancer chemotherapy.
 ...
PMID:Oropharyngeal excretion of Epstein-Barr virus by patients with lymphoproliferative disorders and by recipients of renal homografts. 20 83

Reactions of murine myeloma cells with infectious mononucleosis sera were studied by means of cytolysis in agarose gel. Of 75 sera tested, 30 lysed IgM myeloma cells, MOPC-104E. The antibodies responsible for the lysis of the myeloma cells were shown to be different from Paul-Bunnell antibodies and other antibodies found in infectious mononucleosis sera. Three types of antibodies acting upon the myeloma cells were identified serologically on the basis of absorption experiments with bovine erythrocytes, theta-positive murine lymphoma cells and guinea pig kidney cells. Antibodies of the first group could be absorbed with none of these antigens, antibodies of the second group could be absorbed only with lymphoma cells, and antibodies of the third group could be absorbed with any of these three antigens. Evidence was presented that the antibodies under study combine with antigenic cell membrane components of a subpopulation of IgM-producing murine B cells.
 ...
PMID:Reactions of murine myeloma cells with infectious mononucleosis sera. 80 14

Leucocyte ascorbic acid was estimated in patients with abnormal leucocyte states and other haematological disorders. Levels below the normal range were found in most cases of chronic myeloid leukaemia and chronic lymphatic leukaemia. Subnormal levels were found in more than a third of patients with acute leukaemias, lymphomas, glandular fever, myelofibrosis, and polycythaemia, and in the same proportion of patients receiving cytotoxic drugs, and also in those with a polymorph leucocytosis and those with purpura. Most patients with anaemia but a normal leucocyte count, and those with myelomatosis had normal levels. The majority of pregnant women tested had subnormal levels. In a wide variety of leucocyte disorders the leucocyte ascorbic acid may not be an accurate index of the body's Vitamin C status. The results also support the supposition that leucocyte ascorbic acid is mostly carried by normal mature polymorphs.
 ...
PMID:Leucocyte ascorbic acid in abnormal leucocyte states. 97 12

We have recently described a human IgM monoclonal antibody (mAb), reactive with both self antigens, i.e., cytoskeleton filaments and smooth muscle, and Epstein-Barr virus (EBV)-induced nuclear antigen (EBNA), produced by EBV-transformed B lymphocytes isolated from a patient with infectious mononucleosis (IM). In order to achieve higher antibody secretion in culture supernatant, the mAb-producer cells were fused with ouabain-resistant mouse myeloma cells and a stable human-mouse heterohybrid, coded HY 5488, producing up to 80 micrograms/ml IgM mAb, was isolated after 4 cloning procedures. Purified HY 5844 mAb was used to immunize mice for the production of a murine anti-idiotypic mAb, which was used to probe the expression of the idiotope of HY 5488 mAb (Id 5488) in sera of IM patients and normal controls by ELISA. It was found that Id 5488 is expressed both in IM patients and normal controls, and that Id 5488 expression is significantly higher in IM patients' sera; furthermore, in IM sera a statistically significant correlation between Id 5488 expression and anti-cytoskeleton and anti-smooth muscle autoantibodies was found. It is suggested that at least part of EBV-induced IgM autoantibodies appearing during IM are secreted by B lymphocytes programmed to the production of "natural antibodies" bearing Id 5488-like idiotopes.
 ...
PMID:Detection of an idiotope on a human monoclonal autoantibody by monoclonal anti-idiotypic antibody and its relationship to Epstein-Barr virus-induced autoimmunity. 131 62

Sera from patients with adult T-cell leukemia and asymptomatic carriers of human T-cell lymphotropic virus type I (HTLV-I) from widely separated areas of the world reacted strongly in a standardized quantitative enzyme-linked immunosorbent assay procedure with HTLV-I viral antigen prepared from a strain isolated in the United States. There was a sharp differentiation of the values seen in the patients as compared with a normal population. Of the 35 acquired immune deficiency syndrome patients with Kaposi's sarcoma, only 2 were positive for HTLV-I antibodies in this test, and the distribution of the negative assay values in the other acquired immune deficiency syndrome patient sera was similar to that seen in the normal sera. Sera which contained extremely high levels of antibodies to other unrelated viruses (rubella virus, cytomegalovirus, and herpes simplex virus) all showed negative anti-HTLV-I results, in a pattern similar to the normal sera. Sera from patients with several autoimmune disease (systemic lupus erythematosus, rheumatoid arthritis, thyroiditis) as well as those with infectious mononucleosis or myeloma all also showed the normal distribution of negative results, in spite of the presence of very high levels of the autoantibodies, etc., associated with their illnesses.
 ...
PMID:Quantitative estimation by a standardized enzyme-linked immunosorbent assay of human T-cell lymphotropic virus type I antibodies in adult T-cell leukemia and acquired immune deficiency syndrome. 300 30

A brilliant, coarsely granular nuclear antigen was detected by anti-complement immunofluorescence in the nuclei of acute myeloid leukemia myeloblasts. Designated as LANA (leukemia-associated nuclear antigen), the reactivity differs from that of the Epstein-Barr-virus-determined nuclear antigen (EBNA) in immunological specificity and morphological appearance, although it is visualized by the same method. Serum from acute myeloid leukemia patients gave positive reactions in 73% of the cases. In acute lymphatic leukemia, chronic myeloid leukemia, chronic lymphatic leukemia, and Burkitt's lymphoma the sera were positive in 35, 14, 19, and 24%, respectively. Two of five polycythemia and two of eleven myeloma sera were also positive. Among 61 healthy controls, 58 were negative, whereas three showed a diffuse nuclear staining with a different pattern. Among 24 carcinoma patients, 18 were negative, whereas six gave a nuclear staining with a different, diffuse pattern. Sera from 20 patients who had recovered from infectious mononucleosis were all negative. In addition to the blasts of acute myeloid leukemia, a similar reactivity was seen with two Epstein-Barr virus DNA and EBNA-negative African lymphoma biopsies and in a short-lived tissue culture line derived from one of them. LANA could be a fetal or tissue-specific antigen, a virally determined antigen, or a specific form of anti-nuclear reactivity.
 ...
PMID:Human leukemia-associated anti-nuclear reactivity. 459 70

A rapid, specific, sensitive, standardized, a reproducible enzyme-linked immunosorbent assay (ELISA) procedure has been developed for detecting the heterophil antibody associated with infectious mononucleosis (IM). The IM heterophil antibody used for the solid phase was purified from bovine erythrocyte stroma. The test uses heavy-chain-specific anti-immunoglobulin M (IgM) labeled with alkaline phosphatase and three 10-min incubations. The quantitative results correlated well with horse erythrocyte agglutination titers. Absorption tests confirmed the specificity of the ELISA reactions for IM heterophil antibodies. Neither very high levels of IgM in myeloma sera nor high levels of rheumatoid factor caused false-positive reactions. A number of probable IM cases were encountered which positive by ELISA but negative by the horse erythrocyte slide agglutination test. Absorption studies indicated that these were true-positives for the IM heterophil antibody. The IM heterophil antibodies were confirmed to be predominantly of the IgM class, but moderate proportions of the IgM class were sometimes encountered.
 ...
PMID:Detection of infectious mononucleosis heterophil antibody by a rapid, standardized enzyme-linked immunosorbent assay procedure. 627 95

Mixed agglutination (MA) test with sediments of guinea pig kidney (GPK) homogenates and indicator red blood cells of bovine (BRBC) or sheep (SRBC) origin was established for detection of human heterophile antibodies. By means of MA test with BRBC indicator cells, heterophile antibodies of Hanganutziu-Deicher (H-D) specificity were demonstrated in sera of patients with syphilis (20%), lepromatous leprosy (57%), infectious mononucleosis (45%), Chediak-Higashi syndrome (73%), Kawasaki disease (58%), multiple sclerosis (58%), and leukemias (13%), as well as in sera of subjects who received injections of foreign species sera (20%). Some but not all BRBC-positive sera gave positive MA tests when SRBC were employed as indicator cells. None of 13 multiple myeloma sera tested gave positive results. The incidence of positive reactions in normal human sera was 3%. Neutralization of H-D antibodies in representative pathologic sera by purified heterophile antigens showed that the antibodies under investigation were mostly directed against antigen(s) of high molecular weight glycoprotein, but not N-glycolyl-neuraminic acid (NGNA) ganglioside fraction of BRBC.
 ...
PMID:Mixed agglutination with guinea pig tissue sediments for detection of heterophile antibodies. 643 28

Adenosine deaminase (adenosine aminohydrolase, EC 3.5.4.4; ADA) activity is widely distributed in human tissues and is highest in lymphoid tissues. Two ADA isozymes are known as ADA1 and ADA2. Human tissue extracts contained ADA1 predominantly. Meanwhile, ADA2 was the main component of serum ADA. ADA activity was significantly elevated in the sera from patients with hepatic diseases, hematological malignancies and infectious diseases. Serum concentrations of ADA1 were high in patients with acute leukemias, chronic myeloid blast crisis leukemia and acute liver injury. Serum ADA2 levels were raised in patients with adult T-cell leukemia, multiple myeloma (B-J type), infectious mononucleosis, rubella, acquired immunodeficiency syndrome, chronic hepatic diseases and tuberculosis. It is supposed that ADA1 is derived mainly from injured tissues or cells while ADA2 comes from stimulated T-cells.
 ...
PMID:[Adenosine deaminase]. 760 76

Plasma levels of soluble CD8 (sCD8) and soluble CD4 (sCD4) in patients with infectious mononucleosis (IM) and hematological disorders were studied. In IM patients, a marked increase in sCD8 (22, 366 +/- 2,702U/ml, control: 219 +/- 10U/ml, p < 0.0001) and significant increase in sCD4 (19.3 +/- 0.9, control: 8.1 +/- 0.2, p < 0.0001) strongly suggest activation of both CD8+ and CD4+ lymphocytes, which is important in restraining Epstein-Barr virus-infected B lymphocytes. We showed that the elevation of plasma sCD8 is due to expansion of CD8+ subset as well as increased sCD8 release from each CD8+ cell. Increased sCD4 release from CD4+ lymphocytes was also seen. During convalescence sCD8 and sCD4 levels showed progressive decrease; however, even at 60-120 days after onset the levels of sCD8 and sCD4 remained higher than normal, suggesting prolonged lymphocyte activation. In hematological malignancies, elevated serum levels of sCD4 and sCD8 were found in non-Hodgkin lymphoma (NHL), acute lymphocytic leukemia, multiple myeloma, acute non-lymphocytic leukemia and chronic myelogenous leukemia. Levels of sCD4 and sCD8 in patients with NHL reflect disease status and are useful in monitoring disease activity.
 ...
PMID:[Soluble lymphocyte antigens in hematological diseases]. 778 31


1 2 Next >>