Abstract:
:Interferon(rIFN)-alpha, a successful therapeutic agent in the control of thrombocytosis, has been shown to suppress human megakaryopoiesis. We investigated bone marrow biopsies from 12 patients with thrombocytosis due to chronic myeloproliferative disorders. Prior to treatment as well as during rIFN-alpha-2c therapy, several morphometric parameters of megakaryopoiesis were evaluated. Megakaryocyte density decreased significantly in all patients, megakaryocyte size decreased in polycythaemia vera, agnogenic myeloid metaplasia, and essential thrombocythaemia, but increased in chronic myeloid leukaemia. The various changes observed during therapy indicate an inhibitory effect of rIFN-alpha-2c on megakaryopoiesis and suggest a selective influence on megakaryocytes at various stages of maturation. Increased numbers of pyknotic (bare) nuclei may reflect a shortening of megakaryocyte life-span. No remarkable changes were found in the fibre content of the bone marrow.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Chott A,Gisslinger H,Thiele J,Fritz E,Linkesch W,Radaszkiewicz T,Ludwig Hdoi
10.1111/j.1365-2141.1990.tb02531.xsubject
Has Abstractpub_date
1990-01-01 00:00:00pages
10-6issue
1eissn
0007-1048issn
1365-2141journal_volume
74pub_type
杂志文章abstract::Immune-mediated pathways have been recognized to be of importance in the pathogenesis of chronic lymphocytic leukaemia (CLL). We assessed a broad variety of immune-related and inflammatory conditions and subsequent CLL development among 4 million adult male veterans admitted to VA hospitals. We identified 3,680 CLL ca...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
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abstract::We report on the generation and functional characterization of a humanized immunoenzyme comprising a stable humanized single chain Fv (scFv) with grafted specificity of the anti-CD22 murine monoclonal antibody RFB4 and the human ribonuclease angiogenin (ANG). The fusion protein produced from transiently transfected ma...
journal_title:British journal of haematology
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abstract::A simple technique to separate erythrocytes from bone marrow by sedimentation under gravity after addition of hydroxyethyl starch is described. This method of removing red blood cells from the donor marrow was evaluated in 23 consecutive allogeneic bone marrow transplants between ABH-incompatible individuals. Infusion...
journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:1984-05-01 00:00:00
abstract::Two chemoattractants, the peptide N-formyl-met-leu-phe (FMLP), and the ether phospholipid, platelet activating factor (PAF), each stimulate a variety of in vitro responses in polymorphonuclear leucocytes (PMN). Because often more than one inflammatory mediator is active during inflammation, we determined the effect on...
journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::Minimal residual disease (MRD) assessment is a powerful prognostic factor for determining the risk of relapse in childhood acute lymphoblastic leukaemia (ALL). In this Swedish multi-centre study of childhood ALL diagnosed between 2002 and 2006, the MRD levels were analysed in 726 follow-up samples in 228 children usin...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
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abstract::In a prospective phase II trial, pentostatin combined with cyclophosphamide and rituximab (PCR) induced strong responses and was well-tolerated in previously untreated patients with advanced-stage, indolent non-Hodgkin lymphoma (iNHL). After a median patient follow-up of more than 108 months, we performed an intent-to...
journal_title:British journal of haematology
pub_type: 杂志文章,随机对照试验
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abstract::Endothelial progenitor cells (EPCs) were recently demonstrated to exist in human cord blood. Phytohaemagglutinin (PHA), a potent mitogen for mononuclear cells was used to induce EPCs from unsorted cord blood mononuclear cells (CBMCs). Adherent cells in clusters appeared approximately 24 h after CBMCs were cultured in ...
journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::Using two-colour phenotypic analysis with anti-CD38 antibody, human myeloma cells can be classified into VLA-5- immature and VLA-5+ mature cells. We examined the relationship between variations of these subpopulations and clinical responses during treatment in multiple myeloma (MM). 39 patients with MM were treated wi...
journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::We present an immunocompetent patient with transfusion-associated graft-versus-host disease (GVHD), in which chimaerism of peripheral blood lymphocytes was demonstrated by analysis of a highly polymorphic genome. The patient was treated successfully with anti-CD3 monoclonal antibody, OKT3 and cyclosporin A. Although i...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1994.tb04838.x
更新日期:1994-04-01 00:00:00
abstract::Mastocytosis is a rare disease with varied presentation, myriad symptomatology and variable prognosis. Most patients present with cutaneous disease and mediator-related symptomatology with a small subset having systemic disease (systemic mastocytosis, SM). A subset of the latter develops synchronous or metachronous ha...
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pub_type: 杂志文章,多中心研究
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abstract::When monocytic leukaemia line U937 cells were incubated in the presence of HgCl2 there was a rapid increase in tissue factor (TF)-dependent procoagulant activity, reaching a maximum (equivalent to the total TF activity observed when cells had been subjected to a freeze/thaw cycle) after 15 min at 50 microM HgCl2 and a...
journal_title:British journal of haematology
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abstract::Three novel point mutations were detected in the glucocerebrosidase gene of three unrelated Gaucher's disease patients by direct sequencing of PCR products. The first is a C to G change at position 4263 in the genomic sequence (exon 7) which results in a proline to arginine change at position 266 in the mature enzyme ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1995.tb05298.x
更新日期:1995-10-01 00:00:00
abstract::In a randomized study that compared human leucocyte antigen-identical allogeneic granulocyte colony-stimulating factor (G-CSF)-mobilized peripheral blood stem cell (PBSC) versus bone marrow (BM) transplantation, the expression of activation markers, CD23, CD25 and CD45RO by B cells, was compared in blood before and af...
journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,随机对照试验
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abstract::Based on the morphological appearances of the bone marrow and peripheral blood, 43 patients with dysmyelopoietic syndromes were categorized into four types: refractory anaemia with excess of blasts, chronic myelomonocytic leukaemia, primary acquired sideroblastic anaemia and refractory anaemia with cellular marrow, wi...
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pub_type: 杂志文章
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更新日期:1982-01-01 00:00:00
abstract::A patient presented with haemolytic anaemia and a negative direct antiglobulin test (DAT), and was found to have an IgG antibody with anti-Jka specificity in his serum. His red cells were typed as Jk(a-b+). Later he developed idiopathic thrombocytopenic purpura (ITP), and had a positive DAT due to anti-Jka bound to hi...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1988.tb02411.x
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abstract::The very poor outcome of invasive fungal infections (IFI) in patients with haematological malignancies or recipients of haematopoietic stem cell transplantation is largely attributed to their compromised host defence mechanisms. The restoration or augmentation of immune responses in these patients is now considered as...
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abstract::Cytogenetic deletions of the short arm of chromosome 12 are common recurring alterations found in a wide range of haematological neoplasias, including childhood acute lymphoblastic leukaemia (ALL), the most frequent paediatric malignancy. Such a loss of genetic material suggests the presence of a tumour suppressor gen...
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abstract::The Brown Norwegian rat transplanted with promyelocytic leukaemic cells (BNML) has been used as a model for human acute myeloid leukaemia. We have previously shown that both the blood supply to the bone marrow and the metabolic rate decrease in relation to the leukaemic development in these rats. Here we have investig...
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abstract::Erythrocyte sedimentation, viscosity, electrophroetic mobility, and osmotic fragility were measured in a study of the rheological behaviour of the erythrocyte in vitro. In comparison with physiological saline solution, a suspending medium containing a gamma2lambda2 monoclonal IgG from a patient with multiple myeloma c...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::Non-endemic Burkitt lymphoma (BL) is a rare germinal centre B-cell-derived malignancy with the genetic hallmark of MYC gene translocation and with rapid tumour growth as a distinct clinical feature. To investigate treatment outcomes, loss of lifetime and relapse risk in adult BL patients treated with intensive immunoc...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
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