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  • 1
    ISSN: 1569-8041
    Keywords: CD30L ; CD40L ; FasL ; Hodgkin's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Reed–Sternberg cells of Hodgkin's disease express CD30and CD40 receptors. The ligands for these receptors have been reported to have pleiotropic biologic activities in vitro, including induction of cell death. Expression of the ligands for these receptors in lymph nodes involved with Hodgkin's disease is not known. Purpose: The purpose of this study was to examine CD30 ligand (L) andCD40L expression in lymph nodes of patients with Hodgkin's disease, and to study CD30L expression on nodal lymphocyte subsets. Materials and methods: CD30L expression on subsets of lymphocytes of five lymph nodes involved with Hodgkin's disease was determined by two-color FACScan. Messenger RNA expression of CD30L and CD40L was determined by there verse-transcriptase polymerase chain reaction (RT-PCR) method performed on seven specimens involved with Hodgkin's disease (five lymph nodes and two spleens). Results: Four of seven specimens (57%) contained cells that expressed CD30L mRNA and three specimens (43%) containedCD40L-expressing cells. The mean percentage of nodal lymphocytes expressingCD30L surface protein was ≤20%. Conclusion: Hodgkin's disease lymph nodes and spleens frequently lackCD30L- and CD40L-expressing cells, and when CD30L is expressed, it is usually detected on few numbers of lymphocytes. The differences in the level of expression of these ligands in Hodgkin's disease lymph nodes may be related to the disease's clinical behavior.
    Type of Medium: Electronic Resource
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