The so-called "double-hit" and "double-protein-expression" lymphoma with and rearrangements is a rare, mature B-cell neoplasm characterized by a germinal center B-cell phenotype, abundant protein expression of MYC and BCL2, rapid disease progression, and a poor prognosis. In this study, we showed the potential benefit of the BCL2 inhibitor venetoclax in the treatment of this disease. Immunohistochemical studies of the lymphoma tissues confirmed that overexpression of MYC and BCL2 was observed more frequently in this subtype than in other germinal center B-cell-like diffuse large B-cell lymphomas.
View Article and Find Full Text PDFPeripheral T- or natural killer (NK)-cell lymphomas are rare and difficult-to-recognize diseases. It remains arduous to distinguish between NK cell- and cytotoxic T-lymphocyte-derived lymphomas through routine histological evaluation. To clarify the cells of origin, we focused on NK-cell receptors and examined the expression using immunohistochemistry in 22 cases with T- and NK-cell neoplasms comprising angioimmunoblastic T-cell lymphoma, anaplastic lymphoma kinase (ALK)-positive and -negative anaplastic large-cell lymphomas, extranodal NK/T-cell lymphoma, nasal type, monomorphic epitheliotropic intestinal T-cell lymphoma, aggressive NK-cell leukemia, and other peripheral T-cell lymphomas.
View Article and Find Full Text PDFThe aim of this study was to confirm the renoprotective effect of xanthine oxidoreductase (XOR) inhibitor, topiroxostat, compared with another XOR inhibitor, febuxostat, under decreased angiotensin II type 1 (AT1) receptor expression in the model of renal injury caused by adenine. To evaluate the degree of tubular damage using urinary liver-type fatty acid-binding protein (L-FABP) under decreased AT1 expression, we used AT1 receptor knockdown hetero and human L-FABP chromosomal transgenic (Tg) mice (AT1L-FABP). Male AT1L-FABP mice were divided into two groups: the adenine diet group (n = 40) was given a diet containing only 0.
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