Effective cytotoxicity against human leukemias and chemotherapy-resistant leukemia cell lines by N-N-dimethylsphingosine.

abstract：:Fifty-three patients with Ph positive chronic myeloid leukaemia in blastic phase were studied. Additional abnormalities were found in 29 (55%) patients and were more common in myeloid (64%) than lymphoid (45%) blast crisis. The most frequent were +Ph (32%), +8 (28%), +19 (19%), +20 (9%) and +21 (9%). i(17q) (9%) was a...

journal_title：Leukemia research

authors： Nanjangud G,Kadam PR,Saikia T,Bhisey AN,Kumar A,Gopal R,Chopra H,Nair CN,Advani SH

更新日期：1994-05-01 00:00:00

abstract：:Chronic B-lymphocytic leukemia (B-CLL) cells may be regulated by immune functions. In an attempt to analyze such functions, helper factors (IL-1 alpha, IL-1 beta and IL-6), T-cell products (sCD4 and sCD8) and sIL-2R and beta 2-microglobulin were measured in serum of patients at different stages of the disease. Patient...

journal_title：Leukemia research

authors： Aguilar-Santelises M,Loftenius A,Ljungh C,Svenson SB,Andersson B,Mellstedt H,Jondal M

更新日期：1992-06-01 00:00:00

abstract：BACKGROUND:Telomerase disfunction leads to short telometric overhangs, potentially resulting in chromosome instability. AIMS:To better understand the role of overhang length in the progression of myelodysplastic syndrome (MDS). METHODS:Bone marrow samples of 62 Chinese MDS patients were screened for TERT and TERC gen...

journal_title：Leukemia research

authors： Yan S,Han B,Li H,Wu Y,Zhou D,Zhao Y

更新日期：2013-10-01 00:00:00

abstract：:A diagnosis of myelodysplastic syndrome was made in an 18-year-old patient with Warkany syndrome due to constitutional trisomy 8 mosaicism. The possible causal role of this particular chromosome constitution with respect to myelodysplasia and embryonal childhood tumors is discussed. ...

journal_title：Leukemia research

authors： Zollino M,Genuardi M,Bajer J,Tornesello A,Mastrangelo S,Zampino G,Mastrangelo R,Neri G

更新日期：1995-10-01 00:00:00

abstract：:The onset of acute myeloid leukemia following ionizing radiation or alkylating agent exposure is antedated months to years by the development of 'preleukemia', or secondary myelodysplastic syndrome (sMDS). Mitochondrial abnormalities induced by chloramphenicol and clonal deletions of mitochondrial DNA (mt DNA) in the ...

journal_title：Leukemia research

authors： Hatfill SJ,La Cock CJ,Laubscher R,Downing TG,Kirby R

更新日期：1993-11-01 00:00:00

abstract：:Discovering genetic predictors of childhood acute lymphoblastic leukemia (ALL) necessitates the evaluation of novel factors including maternal genetic effects, which are a proxy for the intrauterine environment, and robust epidemiologic study designs. Therefore, we evaluated five maternal and offspring xenobiotic meta...

journal_title：Leukemia research

authors： Nousome D,Lupo PJ,Okcu MF,Scheurer ME

更新日期：2013-05-01 00:00:00

abstract：:The binding of peripheral blood mononuclear cells of 7 patients with plasma cell leukemia to rat lymph node high endothelial venules has been studied in vitro. The mononuclear cells adhered selectively to the high endothelial venules. Their neoplastic origin was proved by in situ demonstration of their monoclonal cyto...

journal_title：Leukemia research

authors： Kalász V,Pap T,Csanaky G,Kelényi G

更新日期：1989-01-01 00:00:00

abstract：:The myelodysplastic syndrome is a paradigm of human preleukaemia. Normal haemopoiesis is progressively displaced by an abnormal clone derived from a mutated stem cell. The initial mutation is unknown but its occurrence may be related to the overall load of random mutations which are a consequence of both intrinsic DNA...

journal_title：Leukemia research

authors： Jacobs A

更新日期：1992-01-01 00:00:00

abstract：:Our aim was to examine in 17 patients with MDS the effects of PMA activated and non-activated autologous lymphocytes on selected bone marrow CD34+ progenitors, in dose response studies. We used a double layer culture technique. Compared with controls, there was no difference in the colony growth promoting capacity of ...

journal_title：Leukemia research

authors： Davison GM,Novitzky N,Abdulla R

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND:Most patients with myelodysplastic syndromes (MDS) require transfusions at the risk of iron overload and associated organ damage, and death. Emerging evidence indicates that iron chelation therapy (ICT) could reduce mortality and improve survival in transfusion-dependent MDS patients, especially those classi...

journal_title：Leukemia research

authors： Delforge M,Selleslag D,Beguin Y,Triffet A,Mineur P,Theunissen K,Graux C,Trullemans F,Boulet D,Van Eygen K,Noens L,Van Steenweghen S,Lemmens J,Pierre P,D'hondt R,Ferrant A,Deeren D,Van De Velde A,Wynendaele W,André M

更新日期：2014-05-01 00:00:00

abstract：:This retrospective study of the thrombocythemia Italian registry (RIT) documented that 71 (30.6%) out of 232 ET patients experienced 88 cardiovascular adverse events (CV-AEs) during anagrelide treatment (522 pt-y). The rate of CV-AEs was: 24.1% for palpitations, 4.3% for angina, 3.5% for arterial hypertension, 3.0% fo...

journal_title：Leukemia research

authors： Gugliotta L,Tieghi A,Tortorella G,Scalzulli PR,Ciancia R,Lunghi M,Cacciola E,Cacciola R,Candoni A,Crugnola M,Codeluppi K,Usala E,Specchia G,Martinelli V,Palmieri F,Pierri I,Liberati AM,Iurlo A,Grossi A,Vannucchi AM

更新日期：2011-12-01 00:00:00

abstract：:We analysed the optimal conditions for autologous bone marrow purging using complement binding monoclonal antibodies (mAbs). Twelve mAbs belonging to four clusters (CD9, CD10, CD19, CD24), alone or combined were evaluated by using direct cytotoxicity and clonogenic assays. We observed the following data: (1) optimal c...

journal_title：Leukemia research

authors： Racadot E,Herve P,Lamy B,Peters A

更新日期：1987-01-01 00:00:00

abstract：:The direct effect of the feline leukaemia virus (FeLV) on erythroid colony formation in vitro was investigated. Bone marrow mononuclear cells (BMMC) from FeLV-naïve, specific-pathogen-free (SPF), adult cats were inoculated with FeLVs of characterized strains and biologically cloned subgroups and the subsequent develop...

journal_title：Leukemia research

authors： Rojko JL,Cheney CM,Gasper PW,Hamilton KL,Hoover EA,Mathes LE,Kociba GJ

更新日期：1986-01-01 00:00:00

abstract：:AML progenitor cells (AML-PC) undergo significant apoptosis in response to the deacetylase inhibitor (DACi) LAQ824 and lose the replating capacity which was not observed with the DACi valproic acid. Treatment of normal hematopoietic progenitor cells (HPC) with LAQ824 resulted in (i) inhibition of differentiation, (ii)...

journal_title：Leukemia research

authors： Schwarz K,Romanski A,Puccetti E,Wietbrauk S,Vogel A,Keller M,Scott JW,Serve H,Bug G

更新日期：2011-01-01 00:00:00

abstract：:This study investigated radioresistance mechanisms in the doxorubicin-resistant acute myelogenous leukemia (AML)-2/DX100. AML-2/DX100 also showed resistance to radiation. AML-2/DX100 characterized by down-regulated catalase expression was supersensitive to exogenous hydrogen peroxide whereas they increased defense mec...

journal_title：Leukemia research

authors： Choi CH,Xu H,Bark H,Lee TB,Yun J,Kang SI,Oh YK

更新日期：2007-09-01 00:00:00

abstract：:We analyzed surface antigens, multidrug resistance (MDR) parameters (PGP, MRP, LRP), tissue infiltration parameters (CD18, CD44, VCAM, MMP2), receptors for colony stimulating factors (G-CSFr, GM-CSFr) and cell cycle parameters (Ki-67, topoisomerase IIalpha) in 86 patients with acute lymphoblastic leukemia (ALL). LRP, ...

journal_title：Leukemia research

authors： Oh EJ,Kahng J,Kim Y,Kim M,Lim J,Kang CS,Min WS,Cho B,Lee A,Lee KY,Kim WI,Shim SI,Han K

更新日期：2003-10-01 00:00:00

abstract：:Twenty-three patients with acute myelogenous leukemia (AML) in first relapse were treated with high-dose cytosine-arabinoside (Ara-C) and amsacrine or idarubicin. To prime the cells, the patients were given rhGM-CSF. We studied the influence of 48-h infusion of rhGM-CSF on proliferation and Ara-C sensitivity of leukem...

journal_title：Leukemia research

authors： Lacombe F,Puntous M,Dumain P,Cony-Makhoul P,Belloc F,Bernard P,Boisseau M,Reiffers J

更新日期：1996-06-01 00:00:00

abstract：:We performed a comprehensive cost calculation identifying the main cost drivers of treatment of chronic lymphocytic leukaemia in daily practice. In our observational study 160 patient charts were reviewed repeatedly to assess the treatment strategies from diagnosis till the study end. Ninety-seven patients (61%) recei...

journal_title：Leukemia research

authors： Holtzer-Goor KM,Bouwmans-Frijters CA,Schaafsma MR,de Weerdt O,Joosten P,Posthuma EF,Wittebol S,Huijgens PC,Mattijssen EJ,Vreugdenhil G,Visser H,Peters WG,Erjavec Z,Wijermans PW,Daenen SM,van der Hem KG,van Oers MH,Groot

更新日期：2014-01-01 00:00:00

abstract：:The studies aimed at identifying a prognostic significance of angiogenesis-related factors: CD105 and placental growth factor (PlGF) in a course of acute lymphoblastic leukaemia (ALL). Research protocol was based on detection of RNA and protein expressions in bone marrow blasts using quantitative PCR and immunocytoche...

journal_title：Leukemia research

authors： Sujka-Kordowska P,Malinska A,Ostalska-Nowicka D,Zabel M,Nowicki M

更新日期：2012-07-01 00:00:00

abstract：:The serum levels of interleukin 6 (IL6) are known to be elevated in two diseases of the elderly age, myelodysplastic syndrome (MDS) and multiple myeloma (MM). Authors suppose that one of the possible causes of this elevation could be a difference between these patients and healthy subjects in the frequency of polymorp...

journal_title：Leukemia research

authors： Aladzsity I,Kovács M,Semsei A,Falus A,Szilágyi A,Karádi I,Varga G,Füst G,Várkonyi J

更新日期：2009-11-01 00:00:00

abstract：:The colony-forming capacity of the peripheral blood stem/progenitor cells (PBSC) in different forms of myelodysplastic syndrome (MDS) was investigated. In most cases of refractory anemia (RA) the colony growth of PBSC was definitely reduced as compared to the controls. However, in RA with unfavorable chromosomal aberr...

journal_title：Leukemia research

authors： Vehmeyer K,Haase D,Alves F

更新日期：2001-11-01 00:00:00

abstract：:It has become routine practice to culture bone marrow and/or unstimulated peripheral blood for cytogenetic analysis due to associations of consistent chromosomal abnormalities within specific subgroups of leukemias. Unfortunately, two leukemias for which numerous chromosomal aberrations have been recorded, acute myelo...

journal_title：Leukemia research

authors： Macera MJ,Szabo P,Verma RS

更新日期：1989-01-01 00:00:00

abstract：:IL-3 stimulated the production of IL-6 from a bone marrow-adherent cell population, macrophages and from hemopoietic supportive stromal cell lines. It also induced IL-6 production from a stem cell-enriched population of bone marrow cells which did not produce IL-6 without stimulation. In contrast, stimulation with IL-...

journal_title：Leukemia research

authors： Miyashita M,Sugimoto K,Suzuki J,Taniguchi S,Aramaki K,Mori KJ

更新日期：1991-01-01 00:00:00

abstract：:We report the case of an elderly patient affected by Philadelphia positive Acute Lymphoblastic Leukaemia (Ph(+) ALL) who developed meningeal leukaemia during imatinib monotherapy, despite bone marrow molecular remission. Aggressive central nervous system (CNS)-directed therapy in combination with continued imatinib tr...

journal_title：Leukemia research

authors： Mele G,Pinna S,Melpignano A,Romano A,Brocca MC,Coppi MR,Quarta G

更新日期：2007-10-01 00:00:00

abstract：:Despite the high effectiveness of various P-glycoprotein (P-gp) modulating substances in vitro their clinical value e.g. for combination treatment of acute myelogenous leukemias (AML) remains still unclear. This might be explainable by recent findings that other factors than P-gp (e.g. the multidrug resistance associa...

journal_title：Leukemia research

authors： Brügger D,Herbart H,Gekeler V,Seitz G,Liu C,Klingebiel T,Orlikowsky T,Einsele H,Denzlinger C,Bader P,Niethammer D,Beck JF

更新日期：1999-05-01 00:00:00

abstract：:Methylenetetrahydrofolate reductase (MTHFR) is an enzyme involved in folate metabolism and DNA methylation. Studies on MTHFR polymorphism in leukemia have largely focused on the protective role of MTHFR polymorphism in acute lymphoblastic leukemia (ALL). We evaluated the C677T and A1298C polymorphisms using the TaqMan...

journal_title：Leukemia research

authors： Moon HW,Kim TY,Oh BR,Min HC,Cho HI,Bang SM,Lee JH,Yoon SS,Lee DS

更新日期：2007-09-01 00:00:00

abstract：:Beagle dogs were treated with recombinant human interleukin 2 (IL-2) 6 x 10(6) International Units (IU)/day for 7 consecutive days following conditioning with sublethal (200 cGy) or lethal (400 cGy) doses of high-dose rate whole body irradiation (WBI) and reconstitution with 2 x 10(8)/kg autologous bone marrow cells, ...

journal_title：Leukemia research

authors： Samuel S,Nagler A,Or R,Slavin S

更新日期：1992-10-01 00:00:00

abstract：:The biological progression of chronic myeloid leukaemia is often associated with secondary cytogenetic abnormalities but the molecular mechanisms underlying this progression are poorly understood. This study explores the association of c-myc gene amplification with the progression of chronic myeloid leukaemia in fourt...

journal_title：Leukemia research

authors： Jennings BA,Mills KI

更新日期：1998-10-01 00:00:00

abstract：:We designed a pharmacokinetic and pharmacodynamic phase I study of sequential topotecan (2.55-6.3mg/m2) by 72h infusion followed by five daily doses of etoposide for patients with refractory acute leukemia based upon synergistic anti-tumor activity of topoisomerase I and II inhibitors in vitro. Eight of the 29 patient...

journal_title：Leukemia research

authors： Cooper BW,Donaher E,Lazarus HM,Green SB,Gosky DM,Rosenthal NS,Berger SJ,Li X,Ingalls ST,Hoppel CL,Gerson SL

更新日期：2003-01-01 00:00:00

abstract：:The tumor microenvironment (TME) is critical to the longevity of tumor B cells in chronic lymphocytic leukemia (CLL). Bone marrow mesenchymal stem cells (BMMSCs) and the cytokines they produce including IL-6 are important components of the TME in CLL. We found BMMSCs supported the survival of CLL cells in vitro throug...

journal_title：Leukemia research

authors： Zhu F,McCaw L,Spaner DE,Gorczynski RM

更新日期：2018-03-01 00:00:00