Expression of CD45 isoforms in chronic B-cell leukaemias. 1993

H Zola, and N Siderius, and L Flego, and R Sparrow, and M B van der Weyden, and J Nimmo, and D N Hart, and S Houghton, and A W Boyd
Department of Clinical Immunology, Flinders Medical Centre, Adelaide, Australia.

CD45 isoform expression was studied in 204 cases of B-cell lymphoproliferative disease, including 162 chronic lymphocytic leukaemia (CLL). In almost half the samples tested, CD45R0 was co-expressed with CD45RA, unlike normal B-cells, which express only CD45RA, except at terminal stages of differentiation. In a small number of cases CD45R0 was the dominant isoform expressed. No correlation could be discerned either with Binet or RAI staging in CLL or with disease type CLL, prolymphocytic leukaemia (PLL) or hairy cell leukaemia (HCL). Comparison of CD45 isoform expression with other markers showed no correlation with apparent maturational status of the cells involved.

UI MeSH Term Description Entries
D007536 Isomerism The phenomenon whereby certain chemical compounds have structures that are different although the compounds possess the same elemental composition. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Isomerisms
D008232 Lymphoproliferative Disorders Disorders characterized by proliferation of lymphoid tissue, general or unspecified. Duncan's Syndrome,X-Linked Lymphoproliferative Syndrome,Duncan Disease,Epstein-Barr Virus Infection, Familial Fatal,Epstein-Barr Virus-Induced Lymphoproliferative Disease In Males,Familial Fatal Epstein-Barr Infection,Immunodeficiency 5,Immunodeficiency, X-Linked Progressive Combined Variable,Lymphoproliferative Disease, X-Linked,Lymphoproliferative Syndrome, X-Linked, 1,Purtilo Syndrome,X-Linked Lymphoproliferative Disease,X-Linked Lymphoproliferative Disorder,Disease, Duncan,Disease, X-Linked Lymphoproliferative,Diseases, X-Linked Lymphoproliferative,Disorder, Lymphoproliferative,Disorder, X-Linked Lymphoproliferative,Disorders, Lymphoproliferative,Disorders, X-Linked Lymphoproliferative,Epstein Barr Virus Induced Lymphoproliferative Disease In Males,Epstein Barr Virus Infection, Familial Fatal,Familial Fatal Epstein Barr Infection,Immunodeficiency 5s,Immunodeficiency, X Linked Progressive Combined Variable,Lymphoproliferative Disease, X Linked,Lymphoproliferative Diseases, X-Linked,Lymphoproliferative Disorder,Lymphoproliferative Disorder, X-Linked,Lymphoproliferative Disorders, X-Linked,Lymphoproliferative Syndrome, X-Linked,Lymphoproliferative Syndromes, X-Linked,Purtilo Syndromes,Syndrome, Purtilo,Syndrome, X-Linked Lymphoproliferative,Syndromes, Purtilo,Syndromes, X-Linked Lymphoproliferative,X Linked Lymphoproliferative Disease,X Linked Lymphoproliferative Disorder,X Linked Lymphoproliferative Syndrome,X-Linked Lymphoproliferative Diseases,X-Linked Lymphoproliferative Disorders,X-Linked Lymphoproliferative Syndromes
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000951 Antigens, Neoplasm Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usually identified by monoclonal antibodies. Many of these are of either embryonic or viral origin. Neoplasm Antigens,Tumor Antigen,Tumor Antigens,Antigen, Tumor,Antigens, Tumor
D001402 B-Lymphocytes Lymphoid cells concerned with humoral immunity. They are short-lived cells resembling bursa-derived lymphocytes of birds in their production of immunoglobulin upon appropriate stimulation. B-Cells, Lymphocyte,B-Lymphocyte,Bursa-Dependent Lymphocytes,B Cells, Lymphocyte,B Lymphocyte,B Lymphocytes,B-Cell, Lymphocyte,Bursa Dependent Lymphocytes,Bursa-Dependent Lymphocyte,Lymphocyte B-Cell,Lymphocyte B-Cells,Lymphocyte, Bursa-Dependent,Lymphocytes, Bursa-Dependent
D015451 Leukemia, Lymphocytic, Chronic, B-Cell A chronic leukemia characterized by abnormal B-lymphocytes and often generalized lymphadenopathy. In patients presenting predominately with blood and bone marrow involvement it is called chronic lymphocytic leukemia (CLL); in those predominately with enlarged lymph nodes it is called small lymphocytic lymphoma. These terms represent spectrums of the same disease. B-Cell Leukemia, Chronic,B-Lymphocytic Leukemia, Chronic,Chronic Lymphocytic Leukemia,Leukemia, B-Cell, Chronic,Leukemia, Lymphocytic, Chronic,Lymphocytic Leukemia, Chronic, B-Cell,Lymphoma, Small Lymphocytic,B-Cell Chronic Lymphocytic Leukemia,B-Cell Malignancy, Low-Grade,Diffuse Well-Differentiated Lymphocytic Lymphoma,Disrupted In B-Cell Malignancy,Leukemia, B Cell, Chronic,Leukemia, Chronic Lymphatic,Leukemia, Chronic Lymphocytic,Leukemia, Chronic Lymphocytic, B-Cell,Leukemia, Lymphoblastic, Chronic,Leukemia, Lymphocytic, Chronic, B Cell,Lymphoblastic Leukemia, Chronic,Lymphocytic Leukemia, Chronic,Lymphocytic Leukemia, Chronic, B Cell,Lymphocytic Lymphoma,Lymphocytic Lymphoma, Diffuse, Well Differentiated,Lymphocytic Lymphoma, Diffuse, Well-Differentiated,Lymphocytic Lymphoma, Well Differentiated,Lymphocytic Lymphoma, Well-Differentiated,Lymphoma, Lymphocytic,Lymphoma, Lymphocytic, Diffuse, Well Differentiated,Lymphoma, Lymphocytic, Diffuse, Well-Differentiated,Lymphoma, Lymphocytic, Well Differentiated,Lymphoma, Lymphocytic, Well-Differentiated,Lymphoma, Lymphoplasmacytoid, CLL,Lymphoma, Small Lymphocytic, Plasmacytoid,Lymphoma, Small-Cell,Lymphoplasmacytoid Lymphoma, CLL,Small-Cell Lymphoma,B Cell Chronic Lymphocytic Leukemia,B Cell Leukemia, Chronic,B Cell Malignancy, Low Grade,B Lymphocytic Leukemia, Chronic,B-Cell Leukemias, Chronic,B-Cell Malignancies, Low-Grade,B-Lymphocytic Leukemias, Chronic,CLL Lymphoplasmacytoid Lymphoma,CLL Lymphoplasmacytoid Lymphomas,Chronic B-Cell Leukemia,Chronic B-Cell Leukemias,Chronic B-Lymphocytic Leukemia,Chronic B-Lymphocytic Leukemias,Chronic Lymphatic Leukemia,Chronic Lymphatic Leukemias,Chronic Lymphoblastic Leukemia,Chronic Lymphoblastic Leukemias,Chronic Lymphocytic Leukemias,Diffuse Well Differentiated Lymphocytic Lymphoma,Disrupted In B Cell Malignancy,Leukemia, Chronic B-Cell,Leukemia, Chronic B-Lymphocytic,Leukemias, Chronic B-Cell,Leukemias, Chronic B-Lymphocytic,Leukemias, Chronic Lymphatic,Leukemias, Chronic Lymphoblastic,Low-Grade B-Cell Malignancies,Low-Grade B-Cell Malignancy,Lymphatic Leukemia, Chronic,Lymphatic Leukemias, Chronic,Lymphoblastic Leukemias, Chronic,Lymphocytic Leukemias, Chronic,Lymphocytic Lymphoma, Small,Lymphocytic Lymphomas,Lymphocytic Lymphomas, Small,Lymphocytic Lymphomas, Well-Differentiated,Lymphoma, CLL Lymphoplasmacytoid,Lymphoma, Small Cell,Lymphoma, Well-Differentiated Lymphocytic,Lymphomas, CLL Lymphoplasmacytoid,Lymphomas, Lymphocytic,Lymphomas, Small Lymphocytic,Lymphomas, Small-Cell,Lymphomas, Well-Differentiated Lymphocytic,Lymphoplasmacytoid Lymphomas, CLL,Malignancies, Low-Grade B-Cell,Malignancy, Low-Grade B-Cell,Small Cell Lymphoma,Small Lymphocytic Lymphoma,Small Lymphocytic Lymphomas,Small-Cell Lymphomas,Well-Differentiated Lymphocytic Lymphoma,Well-Differentiated Lymphocytic Lymphomas
D015703 Antigens, CD Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation. CD Antigen,Cluster of Differentiation Antigen,Cluster of Differentiation Marker,Differentiation Antigens, Leukocyte, Human,Leukocyte Differentiation Antigens, Human,Cluster of Differentiation Antigens,Cluster of Differentiation Markers,Antigen Cluster, Differentiation,Antigen, CD,CD Antigens,Differentiation Antigen Cluster,Differentiation Marker Cluster,Marker Cluster, Differentiation
D017493 Leukocyte Common Antigens High-molecular weight glycoproteins uniquely expressed on the surface of LEUKOCYTES and their hemopoietic progenitors. They contain two FIBRONECTIN TYPE III DOMAINS and possess cytoplasmic protein tyrosine phosphatase activity, which plays a role in intracellular signaling from the CELL SURFACE RECEPTORS. Leukocyte common antigens occur as multiple isoforms that result from alternative mRNA splicing and differential usage of three exons. Antigens, CD45,CD45 Antigens,CD45R Antigens,CD45RA Antigens,CD45RO Antigens,Protein Tyrosine Phosphatase, Receptor Type, C,2H4 Antigens,B220 Antigen,B220 Antigens,CD45 Antigen,CD45R0 Antigens,CD45RB Antigens,CD45RCAntigens,L-CA Antigens,Leukocyte Common Antigen,T200 Antigens,Antigen, B220,Antigen, CD45,Antigen, Leukocyte Common,Antigens, 2H4,Antigens, B220,Antigens, CD45R,Antigens, CD45R0,Antigens, CD45RA,Antigens, CD45RB,Antigens, CD45RO,Antigens, L-CA,Antigens, Leukocyte Common,Antigens, T200,L CA Antigens
D018956 CD5 Antigens Glycoproteins expressed on all mature T-cells, thymocytes, and a subset of mature B-cells. Antibodies specific for CD5 can enhance T-cell receptor-mediated T-cell activation. The B-cell-specific molecule CD72 is a natural ligand for CD5. (From Abbas et al., Cellular and Molecular Immunology, 2d ed, p156) Antigens, CD5,CD5 Antigen,Leu-1 Antigen,T1 Antigen,Antigen, CD5,Leu 1 Antigen

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