The use of fluorescent in situ hybridization for detection of the t(2;5)(p23;q35) translocation in anaplastic large-cell lymphoma. 1997

P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
ICRF Cancer Medicine Research Unit, St. James's University Hospital, Leeds, UK.

BACKGROUND Anaplastic large-cell lymphoma (ALCL) is a recently recognized, distinctive type of non-Hodgkin's lymphoma characterized by anaplastic large-cell cytology and expression of a member of the TNF-receptor family CD30. A characteristic chromosomal translocation has been identified in ALCL of T-or null-cell lineage which juxtaposes a novel tyrosine kinase (anaplastic lymphoma kinase, ALK) located at 2p23 with the nucleophosmin gene (NPM) at 5q35. A chimeric mRNA transcript is produced, and the translocation results in constitutive expression of a truncated form of the ALK protein, p80. There is controversy concerning whether or not the translocation occurs in Hodgkin's disease. The aim of this study was to develop a methodology for fluorescent in situ hybridization (FISH) to detect the t(2;5)(p23;q35), and to compare the results with conventional cytogenetics, reverse-transcriptase PCR and immunostaining for the p80 protein. METHODS Twenty-five cases of malignant lymphoma (11 ALCL and 14 HD) were studied. Immunohistochemistry was performed to confirm the diagnosis and for analysis of p80 expression. Conventional cytogenetics were analyzed on G-banded metaphase spreads. FISH was performed using whole chromosome paints for chromosomes 2 and 5 on metaphase spreads and YAC probes for interphase nuclei. Reverse-transcriptase PCR using primers for ALK and NPM was used to amplify the translocation breakpoint in extracted mRNA. RESULTS Among 11 cases of ALCL examined by FISH, the translocation was detected in 4. Two of these cases also had RT-PCR and p80 staining performed, with positive results. Among 7 cases where the t(2;5) was not detected by FISH, 3 cases were examined by RT-PCR with negative results and 4 cases by p80 staining, also negative. The RT-PCR was negative in all 14 cases of Hodgkin's disease, 4 of which were also examined by FISH and found to be negative. CONCLUSIONS Fluorescent in situ hybridization is a useful method for detection of the t(2;5)(p23;q35) in anaplastic large-cell lymphoma. The results concur with those of RT-PCR for the chimeric transcript and immunostaining for the p80 protein. The frequency with which the translocation was found was 36% in this small series, and no evidence of the translocation was found in cases of Hodgkin's disease.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D007399 Interphase The interval between two successive CELL DIVISIONS during which the CHROMOSOMES are not individually distinguishable. It is composed of the G phases (G1 PHASE; G0 PHASE; G2 PHASE) and S PHASE (when DNA replication occurs). Interphases
D008677 Metaphase The phase of cell nucleus division following PROMETAPHASE, in which the CHROMOSOMES line up across the equatorial plane of the SPINDLE APPARATUS prior to separation.
D009363 Neoplasm Proteins Proteins whose abnormal expression (gain or loss) are associated with the development, growth, or progression of NEOPLASMS. Some neoplasm proteins are tumor antigens (ANTIGENS, NEOPLASM), i.e. they induce an immune reaction to their tumor. Many neoplasm proteins have been characterized and are used as tumor markers (BIOMARKERS, TUMOR) when they are detectable in cells and body fluids as monitors for the presence or growth of tumors. Abnormal expression of ONCOGENE PROTEINS is involved in neoplastic transformation, whereas the loss of expression of TUMOR SUPPRESSOR PROTEINS is involved with the loss of growth control and progression of the neoplasm. Proteins, Neoplasm
D002467 Cell Nucleus Within a eukaryotic cell, a membrane-limited body which contains chromosomes and one or more nucleoli (CELL NUCLEOLUS). The nuclear membrane consists of a double unit-type membrane which is perforated by a number of pores; the outermost membrane is continuous with the ENDOPLASMIC RETICULUM. A cell may contain more than one nucleus. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Cell Nuclei,Nuclei, Cell,Nucleus, Cell
D002889 Chromosomes, Human, Pair 2 A specific pair of human chromosomes in group A (CHROMOSOMES, HUMAN, 1-3) of the human chromosome classification. Chromosome 2
D002895 Chromosomes, Human, Pair 5 One of the two pairs of human chromosomes in the group B class (CHROMOSOMES, HUMAN, 4-5). Chromosome 5
D006689 Hodgkin Disease A malignant disease characterized by progressive enlargement of the lymph nodes, spleen, and general lymphoid tissue. In the classical variant, giant usually multinucleate Hodgkin's and REED-STERNBERG CELLS are present; in the nodular lymphocyte predominant variant, lymphocytic and histiocytic cells are seen. Granuloma, Hodgkin,Granuloma, Malignant,Hodgkin Lymphoma,Lymphogranuloma, Malignant,Granuloma, Hodgkin's,Granuloma, Hodgkins,Hodgkin Lymphoma, Adult,Hodgkin's Disease,Hodgkin's Lymphoma,Hodgkins Disease,Lymphocyte Depletion Hodgkin's Lymphoma,Lymphocyte-Rich Classical Hodgkin's Lymphoma,Mixed Cellularity Hodgkin's Lymphoma,Nodular Lymphocyte-Predominant Hodgkin's Lymphoma,Nodular Sclerosing Hodgkin's Lymphoma,Adult Hodgkin Lymphoma,Disease, Hodgkin,Disease, Hodgkin's,Disease, Hodgkins,Hodgkin Granuloma,Hodgkin's Granuloma,Hodgkins Granuloma,Hodgkins Lymphoma,Lymphocyte Rich Classical Hodgkin's Lymphoma,Lymphogranulomas, Malignant,Lymphoma, Hodgkin,Lymphoma, Hodgkin's,Malignant Granuloma,Malignant Granulomas,Malignant Lymphogranuloma,Malignant Lymphogranulomas,Nodular Lymphocyte Predominant Hodgkin's Lymphoma
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

Related Publications

P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
June 1996, Human pathology,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
April 2004, American journal of clinical pathology,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
January 1998, British journal of haematology,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
January 1995, Lancet (London, England),
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
February 1996, Blood,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
January 1990, Leukemia & lymphoma,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
January 2004, Pediatric dermatology,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
January 2013, Methods in molecular biology (Clifton, N.J.),
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
July 1999, Blood,
P W Johnson, and J Leek, and K Swinbank, and B Angus, and P Roberts, and A F Markham, and P J Selby, and K A MacLennan
December 1989, Leukemia,
Copied contents to your clipboard!