title: [Clinical significance of detecting strong bcl-2 protein expression with flow cytometry in follicular lymphoma].
abstract: The expression of cell surface antigens and bcl-2 protein was examined with flow cytometry in 30 lymphoma samples including 28 lymph nodes and others, from January, 2001 to May, 2003. Cases studied included the following: follicular lymphoma (FL), 11; diffuse large B-cell lymphoma (DLBCL), 12; diffuse small B-cell lymphoma, 1; mantle cell lymphoma, 1; MALT lymphoma, 1; precursor-B lymphoblastic lymphoma, 1; T-lymphoblastic lymphoma, 1; blastic NK-cell lymphoma, 1; and unknown, 1. In addition, cytogenetic analysis, fluorescence in situ hybridization (FISH), and a real-time polymerase chain reaction assay were performed. Strong bcl-2 expression was observed in 91% of FL, and 17% of DLBCL. On the other hand, strong bcl-2 expression was found in all 9 cases of FL with t(14;18), all two cases of DLBCL with t(14;18), one unknown case with t(14;18), and one FL case with t(11;14). Our results support that strong bcl-2 expression as demonstrated with flow cytometry is correlated with FL (p<0.0001), and lymphomas with the t(14;18) (p<0.0001).
authors.affiliation: Second Division of Clinical Laboratory, Kanagawa Cancer Center.
authors.forename: Shoichi
authors.initials: S
authors.lastname: Kobayashi
authors.forename: Shigeki
authors.initials: S
authors.lastname: Motomura
authors.forename: Yoko
authors.initials: Y
authors.lastname: Kishi
authors.forename: Chizuko
authors.initials: C
authors.lastname: Hashimoto
authors.forename: Atuo
authors.initials: A
authors.lastname: Maruta
authors.forename: Fumio
authors.initials: F
authors.lastname: Kodama
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015703:Antigens, CD / Q000032:analysis; D014408:Biomarkers, Tumor; D002883:Chromosomes, Human, Pair 14; D002887:Chromosomes, Human, Pair 18; D005260:Female; D005434:Flow Cytometry; D006801:Humans; D008224:Lymphoma, Follicular / Q000175:diagnosis* / Q000235:genetics; D008297:Male; D008875:Middle Aged; D019253:Proto-Oncogene Proteins c-bcl-2 / Q000032:analysis*; D014178:Translocation, Genetic
chemical_list: D015703:Antigens, CD; D014408:Biomarkers, Tumor; D019253:Proto-Oncogene Proteins c-bcl-2