Abstract:
:Peripheral blood stem cells (PBSC) have been used increasingly for haemopoietic reconstitution after marrow-ablative chemotherapy in patients with acute leukaemia because of the possibility that there is a lower risk of leukaemic contamination. We have developed a titration assay using a competitive reverse transcriptase polymerase chain reaction (RT-PCR) which is able to estimate the number of AML1/ETO transcripts so that minimal residual disease (MRD) can be monitored quantitatively in patients with t(8;21) acute myelogenous leukaemia (AML). Using a qualitative RT-PCR method, AML1/ETO transcripts could be detected in all samples from 15 first PBSC harvests and 11 second PBSC harvests obtained from 15 patients with t(8;21) AML. With our competitive RT-PCR assay, the number of AML1/ETO transcripts was found to be lower in the second PBSC harvest than that in the first in every individual. Furthermore, MRD in PBSC harvests was less than that in the corresponding bone marrow obtained on the day of PBSC collection in the individual patients studied. In 10 patients who received autologous blood stem cell transplantation (ABSCT), we could not find a relationship between the number of AML1/ETO transcripts in the infused PBSC harvests and the clinical outcome after ABSCT. The present study clearly indicates that although PBSC harvests collected after consolidation chemotherapy are contaminated by leukaemic cells, the degree of leukaemic contamination may decrease as chemotherapy is repeated. The mobilization of PBSC by repeated chemotherapy may provide an advantageous source of haemopoietic stem cells for ABSCT.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Miyamoto T,Nagafuji K,Harada M,Eto T,Fujisaki T,Kubota A,Akashi K,Mizuno S,Takenaka K,Kanaji Tdoi
10.1111/j.1365-2141.1995.tb05258.xsubject
Has Abstract,Author List Incompletepub_date
1995-09-01 00:00:00pages
132-8issue
1eissn
0007-1048issn
1365-2141journal_volume
91pub_type
杂志文章abstract::Refractory anaemia with ring sideroblasts (RARS) is distinguished by hyperplastic inefficient erythropoiesis, aberrant mitochondrial ferritin accumulation and anaemia. Heterozygous mutations in the spliceosome gene SF3B1 are found in a majority of RARS cases. To explore the link between SF3B1 mutations and anaemia, we...
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::We developed a novel method for the chemical modification of cytokines with synthetic polymers to increase the therapeutic efficacy of the former in vivo. A pH-reversible amino-protective reagent, dimethylmaleic anhydride (DMMAn), was used for modification of interleukin-6 (IL-6) with polyethylene glycol (PEG). The no...
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journal_title:British journal of haematology
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abstract::Givinostat, a histone-deacetylase inhibitor (HDACi), inhibits proliferation of cells bearing the JAK2 V617F mutation and has shown significant activity with good tolerability in patients with chronic myeloproliferative neoplasms (MPN). In this multicentre, open-label, phase II study, 44 patients with polycythaemia ver...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:British journal of haematology
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abstract::125I IgG anti-D binding to reticulocytes obtained by density fractionation is reduced relative to that bound to all other red cell (RBC) fractions. Maximum D antigen reactivity occurs following reticulocyte maturation with no detectable change in D reactivity of mature RBC throughout their life span. Reticulocytes hav...
journal_title:British journal of haematology
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abstract::Very few studies have investigated the effects of exercise on the biological parameters involved in vaso-occlusive events in sickle cell anaemia (SCA). The aim of this study was to test how a mild-moderate endurance exercise modulates oxidative stress, nitric oxide bioavailability and endothelial activation in SCA pat...
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abstract::Routine testing on plasma from a patient due to undergo a coronary artery bypass graft operation revealed a prolonged thrombin clotting time associated with a normal plasma fibrinogen level when this was determined by a method not dependent upon the rate of fibrin formation. Fibrinogen purified from the patient's plas...
journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::Radiolabelled antiCD-20 antibodies have demonstrated single agent activity in relapsed diffuse large B-cell lymphoma (DLBCL). The S0433 clinical trial enrolled patients with newly diagnosed, advanced stage or bulky stage II, histologically confirmed DLBCL. Patients received six cycles of R-CHOP (rituximab, cyclophosph...
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1998.00586.x
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journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::β- thalassaemia is a disorder of globin gene synthesis resulting in reduced or absent production of the β-globin chain in red blood cells. In this study, haematopoietic stem cells were isolated from the peripheral blood of six transfusion dependent β-thalassaemia patients and six healthy controls. Following 7 and 14 d...
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abstract::The hepatitis C virus-positive (HCV+) mixed cryoglobulinaemia (MC) is associated with haematological alterations such as monoclonal B-cell lymphocytosis or non-Hodgkin lymphomas (NHLs). Antiviral therapy for MC, based on interferon and ribavirin, has been shown to be able to eliminate the viral replication as well as ...
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