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No optimum treatment of iatrogenic immunodeficiency-associated lymphoproliferative disorders due to methotrexate in patients with rheumatoid arthritis (MTX-LPD) has yet been established, although MTX withdrawal is known to have a substantial effect on tumor regression. Here, we retrospectively analyzed 20 cases of MTX-LPD. Tumor shrinkage occurred in 18 of(More)
Deletions or translocations of chromosome band 13q14, the locus of the retinoblastoma gene (RB1), have been observed in a variety of hematological malignancies including myelodysplastic syndrome (MDS). We describe here a novel unbalanced translocation der(13)t(7;13)(p13;q14) involving 13q14 in a patient with MDS. A 66-year-old woman was diagnosed as having(More)
For better clinical outcomes of mycophenolate mofetil (MMF) in allogeneic hematopoietic stem cell transplantation (alloSCT), higher mycophenolic acid (MPA) plasma levels are proposed to be desirable. Here, we investigate the optimal MMF dosing strategy based on pharmacokinetic studies in 20 Japanese alloSCT patients. The first 11 patients received MMF twice(More)
When a cachexigenic subclone (clone 20) of murine colon 26 adenocarcinoma was transplanted into female BALB/c mice, hepatic NNMT activity continued to increase until death in proportion to progressive carcass weight loss, a marker of cancer cachexia. On the other hand, noncachexigenic subclone (clone 5)-transplanted mice showed neither increase of NNMT(More)
We describe here the first case of 8p11 myeloproliferative syndrome (EMS) with t(8;9)(p11;q33), who unusually demonstrated B-lymphoblastic/monoblastic biphenotypic transformation. A 57-year-old woman was admitted because of leukocytosis and diagnosed as EMS. Bone marrow was infiltrated with myeloperoxidase (MPO)-, CD10+, CD19+, CD20+, CD34+, HLA-DR+ small(More)
The TRAP220 subunit of the thyroid hormone receptor-associated polypeptide transcription coactivator complex (TRAP/Mediator complex), mammalian counterpart of the yeast Mediator complex, is proposed to act on a variety of major and specific biological events through physical interactions with nuclear receptors. The vitamin D receptor (VDR) and retinoic acid(More)
A member of the largest family of receptor protein kinases, EphB6, lacks its intrinsic kinase activity, but it is expressed in normal human tissues. To investigate the physiological function of EphB6, we generated EphB6 deficient mice. EphB6(-/-) mice developed normally, revealed no abnormality in general appearance, and were fertile. Although a(More)
BACKGROUND AND OBJECTIVES Flow cytometric immunophenotypic analysis (FC) and cytogenetic analysis are essential techniques for the diagnosis and classification of many hematologic disorders. The roles of these analyses in B-cell lymphoma to detect bone marrow (BM) involvement in clinical staging and to evaluate the effectiveness of treatments have not yet(More)
Hematopoietic stem/progenitor cells (HSPCs) are released from the bone marrow to the circulation by the cytokine, granulocyte colony-stimulating factor, via sympathetic nervous system (SNS)-mediated osteoblast suppression. Because the orientation of HSPCs in their osteoblastic niche is reported to be guided by [Ca(2+)], we speculated on a cooperation(More)