Abstract:
:The in vitro growth characteristics of a large series of acute myeloid leukaemia (AML) patients and their relationship with other clinical and biological disease characteristics were analysed. Patients with AML were studied, 181 with de novo AML and 45 with secondary AML (24 myelodysplastic syndrome, sAML-MDS, 21 myeloproliferative disorder, sAML-MPD). Leukaemic colony forming units (L-CFU) were assayed by plating peripheral blood (PB) blast cells in methyl-cellulose and using LCM-PHA as stimulant. In each case parallel cultures were made with and without stimulating factors. Plating efficiency (PE) was defined as the number of clusters plus colonies/10(5) cells plated. Autonomous growth (AG) was the number of colonies plus clusters growing without stimulant. The autonomous proliferative index (API) was calculated as the number of clusters + colonies without stimulating factor divided by the number of clusters + colonies with stimulating factor. No significant differences in the PE between de novo and secondary AML were found. Autonomous growth was significantly higher in sAML-MPD. The FAB subtype M3 leukaemias displayed a significantly greater PE and a significantly lower API when compared with the other FAB subgroups (P=0.0002). Upon analysing the relationship with the immunophenotype, only CD33 expression showed a significant relationship with the in vitro growth pattern; CD33+ cases displayed a higher PE (P=0.0002) and AG (P=0.0003) than CD33- cases. When patients were grouped according to the level of rh123 efflux (MDR1) it was observed that cases with >30% elimination showed a higher AG and API than those with <30% (P=0.03). Finally we found that patients with higher API (>0.05) displayed a significantly shorter overall survival as compared with patients with API<0.05 (P=0.04). The in vitro study properties of clonogenic cells produces relevant clinical information of leukaemic cell biology in AML patients.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
del Cañizo MC,Brufau A,Almeida J,Galende J,García Marcos MA,Mota A,García R,Fernández Calvo J,Ramos F,Fisac P,Orfao A,San Miguel JFdoi
10.1046/j.1365-2141.1998.00962.xsubject
Has Abstractpub_date
1998-10-01 00:00:00pages
137-42issue
1eissn
0007-1048issn
1365-2141journal_volume
103pub_type
杂志文章abstract::The bone marrow (BM) microenvironment supports leukaemia cell survival and proliferation. The roles played by adhesive receptor interactions in the survival of T-lineage acute lymphoblastic leukaemia (T-ALL) cells on BM stromal cells are not well understood. Recently, we have developed an assay that partially recapitu...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2001.03182.x
更新日期:2001-12-01 00:00:00
abstract::Systemic inflammation activates the tissue factor/factor VIIa complex (TF/FVIIa), leading to a procoagulant state, which may be enhanced by impairment of physiological anticoagulant pathways, such as the protein C system. Besides impaired protein C activation, resistance to activated protein C (APC) may occur. We stud...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2006.06127.x
更新日期:2006-07-01 00:00:00
abstract::Platelet activating factor (PAF) derived from antigen-stimulated, IgE-sensitized rabbit basophils acts on platelets to induce aggregation and secretion of their content of granule-bound vasoactive amines. Despite this, PAF did not activate platelet factor 3. In contrast, collagen induced aggregation, secretion and PF3...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1976.tb00197.x
更新日期:1976-10-01 00:00:00
abstract::Children with Down syndrome (DS) have a greater risk for developing both acute lymphoblastic leukaemia (ALL) and significant adverse effects of chemotherapy. We investigated their outcome with, and tolerance of, treatment protocols for relapsed ALL optimized in the paediatric population without DS. Probability of surv...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.12348
更新日期:2013-07-01 00:00:00
abstract::We present a new method to detect the major beta-thalassaemia mutations of the Mediterranean countries (IVS I-1, IVS I-6, IVS I-110, CD-37 and CD-39). The procedure is based upon real-time polymerase chain reaction (PCR), using specific fluorescently labelled hybridization probes. The melting curves for each of the sp...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2002.03823.x
更新日期:2002-11-01 00:00:00
abstract::The chemotaxis of human malignant plasma cells is promoted by two extracellular matrix proteins (ECMs): fibronectin (FN) and laminin (LN). We examined the effect of the supernatant from a bone marrow stroma cell line, KM-101, on the chemotaxis of human malignant plasma cell lines to assess the chemotaxis-regulatory ro...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1996.d01-1691.x
更新日期:1996-06-01 00:00:00
abstract::We report a patient with hypereosinophilic syndrome (HES), which, 8 years later, transformed into granulocytic sarcoma in the brain and, subsequently, into acute myelocytic leukaemia. Repeated chromosome analyses showed a normal karyotype, until the time of leukaemic transformation when trisomy 8 was confirmed in cell...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2002.03922.x
更新日期:2002-12-01 00:00:00
abstract::We tested whether parvovirus B19 (PVB19) is involved in benign lymph node swelling as a causative agent. The serum specimens from 13 patients with lymph node swelling of unidentified cause were tested for IgM and IgG antibody against PVB19 by Western blot analysis. Five patients had IgM antibody, and PVB19 DNA was det...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:
更新日期:1993-11-01 00:00:00
abstract::The bleeding time in healthy volunteers was determined according to both the Ivy and the Simplate II techniques. A significantly longer bleeding time in people with blood group O than in people with non-O blood groups was demonstrated with both techniques. This difference could not be attributed to a difference in sex...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1989.tb00255.x
更新日期:1989-10-01 00:00:00
abstract::Follow-up studies of natural killer (NK) cells, NK activity and antibody dependent cellular cytotoxicity (ADCC) in the course of hairy cell leukaemia (HCL) were carried out in a series of patients affected by the disease. NK activity against K562 targets was found to be high in all the patients with non-symptomatic st...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1989.tb04261.x
更新日期:1989-02-01 00:00:00
abstract::The serum "uracil+uridine" level, expressed as uracil, has been measured in 21 cases of vitamin B12 deficiency, in which the serum folate was normal, and compared with the level in 97 normal subjects. The level in the vitamin B12 deficient group (11.9 mumol/1). was significantly lower than in the controls (15.7 mumol/...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1976.tb03602.x
更新日期:1976-12-01 00:00:00
abstract::Haemophilia is an inherited disorder of clotting factor deficiencies resulting in musculoskeletal bleeding, including haemarthroses, leading to orthopaedic complications. The pathogenesis of haemophilic joint arthropathy continues to be explored and there is evidence to suggest that iron, cytokines, and neo angiogenes...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2141.2011.08919.x
更新日期:2012-01-01 00:00:00
abstract::Culture medium was harvested after co-incubation of mononuclear cells collected and pooled from the peripheral blood of two different normal donors and was tested for colony-stimulating activity (CSA) in agar culture. With bone marrow from normal donors or peripheral blood from patients with chronic granulocytic leuka...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1980.tb07144.x
更新日期:1980-06-01 00:00:00
abstract::Venesection of 10% of whole blood volume or plateletpheresis was performed in nine patients with chronic myeloproliferative disorders and in five normal control subjects. Before venesection, the patients showed impaired platelet aggregation in 33% of tests, most often in response to stimulation with 9 mumol adrenaline...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1978.tb03629.x
更新日期:1978-08-01 00:00:00
abstract::Imatinib mesylate (IM, STI 571, Glivec) can induce a high rate of complete cytogenetic response (CCR) in chronic myeloid leukaemia (CML) patients, although to date the majority of patients continue to have detectable disease by sensitive reverse transcription polymerase chain reaction (RT-PCR). It is therefore possibl...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2003.04599.x
更新日期:2003-11-01 00:00:00
abstract::A t(5;12)(q33;p13) translocation has been detected in two patients with myeloid disorder and eosinophilia. Six other patients with haematological disease with eosinophilia with similar translocation have been published previously. The existence of a new entity, a myeloproliferative disorder with eosinophilia and t(5;1...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2141.1994.tb05029.x
更新日期:1994-10-01 00:00:00
abstract::The inducibility of glycosyl-phosphatidylinositol (GPI)-anchored proteins on affected paroxysmal nocturnal haemoglobinuria (PNH) neutrophils (PMN) after both in vitro and in vivo stimulation was investigated. Fc gamma R-III (CD16), decay-accelerating factor (DAF/CD55) and 20 kD homologous restriction factor (HRF20/CD5...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1993.tb03107.x
更新日期:1993-07-01 00:00:00
abstract::A study has been made of a number of haematological and haemorheological factors following venesection therapy. Haematocrit was very effectively reduced by the venesection regimen and led to a fall in whole blood viscosity in spite of the microcytosis that was eventually induced in all the subjects. No clinically sign...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1986.tb04090.x
更新日期:1986-04-01 00:00:00
abstract::Multiple myeloma (MM) tumour cells evade host immunity through a variety of mechanisms, which may potentially include the programmed cell death ligand-1 (PD-L1):programmed cell death protein-1 (PD-1) axis. This interaction contributes to the immunosuppressive bone marrow (BM) microenvironment, ultimately leading to re...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.17282
更新日期:2020-12-20 00:00:00
abstract::Although traditional anticoagulant regimens are highly effective and safe in most patients with venous thromboembolism (VTE), the aggressive natural history of VTE and the high risk of serious bleeding in cancer patients can complicate the management of VTE. In addition, because few clinical trials have focused on the...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2141.2004.05292.x
更新日期:2005-02-01 00:00:00
abstract::Thrombocytopenia can be a complication of hepatitis C viral (HCV) infection. However, there is little published data regarding the clinical and laboratory manifestations of HCV-related thrombocytopenia (HCV-TP) compared with adult chronic immune thrombocytopenic purpura (CITP). We reviewed the medical records for all ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2005.05542.x
更新日期:2005-06-01 00:00:00
abstract::210 patients, with a history of venous thrombosis, have undergone prothrombotic investigations. In nine cases a consistent deficiency of antithrombin was identified. In five there was a reduction in the plasma antigenic concentration of antithrombin and in a further four cases deficiency was due to the presence of a d...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1991.tb08584.x
更新日期:1991-03-01 00:00:00
abstract::In advanced chronic myeloid leukaemia patients, STI-571 produces complete haematological response in most cases and cytogenetic response in up to 50%. However, these patients often suffer periods of pancytopenia, which can lead to life-threatening complications, and is probably due to the small number of residual norm...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2002.03542.x
更新日期:2002-07-01 00:00:00
abstract::Two patients are described who had evidence of both multiple myeloma and chronic neutrophilic leukaemia at or near the time of presentation. Descriptions of five similar patients were found in the literature supporting an association between the two disorders. This association is further evidence of a link between mye...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1986.tb07507.x
更新日期:1986-05-01 00:00:00
abstract::Platelets have recently been shown to trigger intrinsic coagulation by two alternative pathways, protect active clotting factors from inactivation by plasma inhibitors and catalyse intrinsic coagulation reactions on the platelet surface to form fibrin. To determine whether these platelet coagulant activities (PCA) mig...
journal_title:British journal of haematology
pub_type: 临床试验,杂志文章
doi:10.1111/j.1365-2141.1976.tb00946.x
更新日期:1976-03-01 00:00:00
abstract::Three TaqI restriction fragment length polymorphisms (RFLP) detected by the central portion of von Willebrand factor cDNA, which recognizes the true gene and in addition pseudogenic sequences, were characterized and mapped. Small cDNA fragments which hybridized with DNA from families with von Willebrand disease were u...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1990.tb02584.x
更新日期:1990-03-01 00:00:00
abstract::Thrombomodulin (TM) is an endothelial cell glycoprotein that acts as an anticoagulant. Mutation in the TM gene is a potential risk factor for thrombosis. The first TM mutation identified was a heterozygous substitution of T for G at nucleotide position 1456, which predicted Asp468 with Tyr in a Ser/Thr-rich domain. To...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1999.01567.x
更新日期:1999-08-01 00:00:00
abstract::A digital image processing technique has been used to quantitate bone marrow fibre in histological material (both biopsy and necropsy) from 17 cases of myelofibrosis. An attempt was made to correlate the results of these measurements with other diagnostically relevant parameters. Bone marrow fibre was found to correla...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1979.tb03697.x
更新日期:1979-05-01 00:00:00
abstract::We report outcomes after myeloablative haematopoietic cell transplantation (HCT) from human leucocyte antigen (HLA)-matched sibling donors in 67 patients with sickle cell disease transplanted between 1989 and 2002. The most common indications for transplantation were stroke and recurrent vaso-occlusive crisis in 38% a...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
doi:10.1111/j.1365-2141.2007.06592.x
更新日期:2007-06-01 00:00:00
abstract::Chromosomal rearrangements involving the MECOM (MDS1 and EVI1 complex) locus are recurrent genetic events in myeloid leukaemia and are associated with poor prognosis. In this study, we assessed the role of MECOM locus protein EVI1 in the transcriptional regulation of microRNAs (miRNAs) involved in the leukaemic phenot...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
doi:10.1111/j.1365-2141.2011.08737.x
更新日期:2011-08-01 00:00:00