Age and sex distributions of monoclonal gammopathy were studied for 12,196 healthy controls and 2056 patients with various malignancies. The frequency of monoclonal component in adult T-cell leukemia (ATL) patients was found to be much higher than that in patients with other malignancies and in heal
CD20-positive adult T-cell leukemia
โ Scribed by Masaki Yasukawa; Junko Arai; Miki Kakimoto; Ikuya Sakai; Hidehisa Kohno; Shigeru Fujita
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 45 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0361-8609
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โฆ Synopsis
A 67-year-old woman was admitted to our hospital because of lymphadenopathy and lymphocytosis. Monoclonal integration of HTLV-I provirus DNA was detected, and a diagnosis of adult T-cell leukemia (ATL) was made. Flow cytometry revealed that the ATL cells expressed CD20 as well as T-cell-associated antigens, and expression of CD20 mRNA was also demonstrated. A novel T-cell subpopulation expressing CD20 molecules has recently been identified. This is the first report of CD20-positive ATL, suggesting that HTLV-I can infect and transform CD20-positive T cells. Am.
๐ SIMILAR VOLUMES
A: Human T cell subpopulations defined by a monoclonal antibody. I. A small subset is responsible for proliferation to allogeneic cells or to soluble antigens and for helper activity for B-cell differentiation.