title: [Clinical study on role of CD34 in patients with Biphenotypic acute leukemia].
abstract: This study was aimed to explore the expression of CD34 in patients with biphenotypic acute leukemia (BAL) and its relation with the prognosis of BAL. The flow cytometry was used to detect leukemia-associated antigen. The used monoclonal antibodys (McAb) included CD10, CD19 and CD34 for B lymphocyte lineage, CD2, CD3 and CD5 for T lymohocyte lineage, MPO, CD13 and CD33 for myeloid lineage. The finally results were respectively analyzed. The results indicated that 9 out of 216 cases of leukemia was diagnosed as BAL (4.2%). Among 9 cases of BAL, 6 cases showed the common expression of myeloid and T lymohocyte lineages (66.7%), 3 cases showed the common expression of myeloid and B lymohocyte lineages (33.3%). 4 cases of BAL displayed CD34 positive expression (44.4%). As compared with acute myelogenous leukemia (AML) and acute lymphoblastic leukemia (ALL), the BAL patients showed higher CD34 positive expression (P < 0.05). It is concluded that the BAL patients show a poor prognosis, as compared with AML or ALL patients. The therapeutic effect of BAL may negatively correlate with the CD34 positive expression.
authors.affiliation: Department of Clinical Laboratorial Examination, The First Affiliated Hospital of Xinxiang Medical College, Weihui 453100, Henan Province, China.
authors.forename: Guang-Jian
authors.initials: GJ
authors.lastname: Lu
authors.affiliation: Department of Clinical Laboratorial Medicine, Xinxiang Medical College, Xinxiang 453003, Henan Province, China.
authors.forename: Zhi-Shan
authors.initials: ZS
authors.lastname: Song
authors.affiliation: Department of Clinical Laboratorial Examination, The First Affiliated Hospital of Xinxiang Medical College, Weihui 453100, Henan Province, China.
authors.forename: Qun-Mei
authors.initials: QM
authors.lastname: Zhang
authors.affiliation: Department of Clinical Laboratorial Medicine, Xinxiang Medical College, Xinxiang 453003, Henan Province, China. E-mail: luguangjian2013@163.com.
authors.forename: Ping-Fa
authors.initials: PF
authors.lastname: Li
mesh_terms: D000368:Aged; D018952:Antigens, CD34 / Q000378:metabolism*; D005434:Flow Cytometry; D006801:Humans; D016130:Immunophenotyping; D015456:Leukemia, Biphenotypic, Acute / Q000175:diagnosis / Q000378:metabolism*; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma; D011379:Prognosis
chemical_list: D018952:Antigens, CD34