Abstract:
:Responsiveness of bone marrow erythropoietic stem cells (CFU-E and BFU-E) to recombinant human erythropoietin (rh-Ep) was examined in vitro in 23 patients with aplastic anemia and 14 with myelodysplastic syndrome (MDS) to investigate the clinical use of rh-Ep for these diseases. Bone marrow mononuclear cells were cultured by methylcellulose methods for CFU-E and BFU-E assays. In normals, the CFU-E numbers reached a plateau of increase at Ep doses of almost 2-5 units, and no further increase was observed with the addition of larger Ep doses. In aplastic anemia, the responses of CFU-E to Ep were relatively good in nonsevere type and generally poor in severe type. However, the CFU-E numbers increased with increasing doses of Ep in some of the patients with aplastic anemia. Among the patients with MDS, the responses of CFU-E to Ep were relatively good in primary acquired refractory anemia (PARA) and primary acquired sideroblastic anemia. On the other hand, the responses of CFU-E to Ep were poor in refractory anemia with an excess of blasts (RAEB) and RAEB in transformation among the MDS patients. BFU-E responses to Ep were poor in severe aplastic anemia, RAEB, and RAEB-T. However, there are Ep responsive patients in some of aplastic anemia and PARA. High titers of rh-Ep were suggested to be effective clinically in some patients with aplastic anemia and those with PARA.
journal_name
Am J Hematoljournal_title
American journal of hematologyauthors
Aoki I,Higashi K,Homori M,Chikazawa H,Ishikawa Kdoi
10.1002/ajh.2830350103subject
Has Abstractpub_date
1990-09-01 00:00:00pages
6-12issue
1eissn
0361-8609issn
1096-8652journal_volume
35pub_type
杂志文章abstract::Central nervous system (CNS) thrombotic events are a well-known complication of acute lymphoblastic leukemia (ALL) induction therapy, especially with treatments including l-asparaginase (l-ASP). Data on risk factors and clinical evolution is still lacking in adult patients. We report on the clinical evolution of 22 CN...
journal_title:American journal of hematology
pub_type: 杂志文章,多中心研究
doi:10.1002/ajh.24130
更新日期:2015-11-01 00:00:00
abstract::The hereditary persistence of fetal hemoglobin (HPFH)-6 is sporadically found in Thailand whereas the deletion-inversion type (G)gamma((A)gamma delta beta)(0)-thalassemia is described among Indians. We report a hitherto un-described case in which these two defects co-segregate. He was a 3-year-old Thai boy who had a f...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.10202
更新日期:2002-10-01 00:00:00
abstract::Quinine-induced immune thrombocytopenia with hemolytic uremic syndrome (HUS) is a recently defined clinical entity. In this paper we have attempted to characterize the natural history and laboratory abnormalities typical of quinine-induced immune thrombocytopenia associated with hemolytic uremic syndrome in nine patie...
journal_title:American journal of hematology
pub_type: 杂志文章,评审
doi:10.1002/ajh.2830470407
更新日期:1994-12-01 00:00:00
abstract::Anemia is a major cause of morbidity and mortality among patients with sickle cell anemia. In this study, 108 episodes of severe anemia were prospectively evaluated in 108 patients with hemoglobin SS disease attending the pediatric sickle cell clinic of the University of Nigeria Teaching Hospital, Enugu, Nigeria. Youn...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.10285
更新日期:2003-03-01 00:00:00
abstract::A single point mutation of the factor V (FV) gene, leading to the substitution Arg506Gln in the FV molecule (FV-Leiden) and hence resistance to its breakdown by activated protein C (APC), is the most prevalent risk factor for venous thrombosis in the Caucasians. A ratio determined by activated partial thromboplastin t...
journal_title:American journal of hematology
pub_type: 杂志文章
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更新日期:1997-03-01 00:00:00
abstract::Skin fibroblasts from patients with a variety of hematologic disorders were infected with SV40 virus in vitro in attempts to discover the reason for increased susceptibility of Fanconi anemia cells to this transforming virus. The proportion of skin fibroblasts expressing SV40 T-antigen by immunofluorescent methods was...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830080407
更新日期:1980-01-01 00:00:00
abstract::Over a 36-month period, 46 consecutive Mexican mestizos with a clinical marker associated with a primary hypercoagulable state were prospectively assessed by searching for the sticky platelet syndrome (SPS), the activated protein C resistance (aPCR) phenotype, coagulation protein C activity and antigen, coagulation pr...
journal_title:American journal of hematology
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更新日期:2005-01-01 00:00:00
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journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.21072
更新日期:2008-03-01 00:00:00
abstract::The underlying mechanisms of reactive macrophage activation syndromes (rMAS) are not understood in detail, and there is no specific treatment. This observational study was prompted by intravenous immunoglobulin (IVIG), dramatically halting two distinct rMAS episodes in the same patient. We evaluated the potential bene...
journal_title:American journal of hematology
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更新日期:2001-09-01 00:00:00
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journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.20414
更新日期:2006-03-01 00:00:00
abstract::Cephalosporins are commonly used drugs that interact with red blood cell membranes. They frequently cause a positive direct antiglobulin test but rarely cause hemolysis. A case of cefotetan-induced hemolytic anemia is described in which two types of antibodies were detected. One reacted with red blood cells by a hapte...
journal_title:American journal of hematology
pub_type: 杂志文章,评审
doi:10.1002/ajh.2830400209
更新日期:1992-06-01 00:00:00
abstract::Thirty-seven patients with chronic phase chronic myeloid leukaemia and fourteen healthy controls have been evaluated for lineage differentiation with immunological markers on purified bone marrow CD34 positive cells by multiparameter flow cytometry. The myeloid-associated antigen CD33 and the stem cell factor receptor...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/(sici)1096-8652(199907)61:3<178::aid-ajh4>
更新日期:1999-07-01 00:00:00
abstract::Clofarabine has shown activity and tolerability in older patients with acute myeloid leukemia (AML). We investigated the safety and tolerability of an oral formulation of clofarabine for consolidation therapy of patients aged 60 and older with AML. In this phase I study, twenty-two patients older than 60 years with AM...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.23663
更新日期:2014-05-01 00:00:00
abstract::A new density system for the separation of human red blood cells by density-gradient centrifugation is described. The gradient medium is made with colloidal silica particles coated with polyvinylpyrrolidone suspended in aqueous solution of meglamine diatrizoate. By this method, more than 10 red-cell fractions can be s...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830080307
更新日期:1980-01-01 00:00:00
abstract::Patients presenting with Hodgkin's disease (HD) may show lung involvement characterized by contiguous spread from ipsilateral hilar lymph nodes. Lung consolidation or noncontiguous pulmonary involvement makes an alternative diagnosis more likely. This report describes a patient with HD in whom concurrent pulmonary bla...
journal_title:American journal of hematology
pub_type: 杂志文章,评审
doi:10.1002/ajh.2830430211
更新日期:1993-06-01 00:00:00
abstract::ABO incompatibility is commonly observed in stem cell transplantation and its impact in this setting has been extensively investigated. HLA-mismatched unrelated donors (MMURD) are often used as an alternative stem cell source but are associated with increased transplant related complications. Whether ABO incompatibili...
journal_title:American journal of hematology
pub_type: 杂志文章,多中心研究
doi:10.1002/ajh.24771
更新日期:2017-08-01 00:00:00
abstract::The aim of the study was to assess the efficacy and safety of rituximab (RTX) for treating systemic lupus erythematosus (SLE)-associated immune cytopenias. This multicenter retrospective cohort study of adults from French referral centers and networks for adult immune cytopenias and SLE involved patients ≥18 years old...
journal_title:American journal of hematology
pub_type: 杂志文章,多中心研究
doi:10.1002/ajh.24999
更新日期:2018-03-01 00:00:00
abstract::Fibrillar granules (FGs) represent neutrophilic primary granules containing clustered filaments. We investigated neutrophils in the bone marrow obtained from 17 patients with chronic myeloproliferative disorders (CMPD) by electron microscopy. FG-positive neutrophils were seen in 15 of the 17 CMPDs with varying frequen...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830470316
更新日期:1994-11-01 00:00:00
abstract::Antithymocyte globulins (ATG) plus cyclosporine (CSA) is the gold standard immunosuppressive treatment (IST) for patients with aplastic anemia. A prospective randomized trial showed in 2011 that hATG was superior to rabbit ATG for first-line treatment of severe AA. The French Health Agency (ANSM) permitted a patient-n...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.25050
更新日期:2018-05-01 00:00:00
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journal_title:American journal of hematology
pub_type: 杂志文章
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更新日期:2011-04-01 00:00:00
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journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830290112
更新日期:1988-09-01 00:00:00
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journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830140308
更新日期:1983-05-01 00:00:00
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journal_title:American journal of hematology
pub_type: 杂志文章,随机对照试验
doi:10.1002/ajh.21840
更新日期:2010-11-01 00:00:00
abstract::We have developed a rapid approach to detect the two most common alpha-thalassemia-2 (alpha-thal-2) determinants by the polymerase chain reaction (PCR) technique, which takes a few hours to complete. Specific oligonucleotides selectively amplify appropriate segments of the chromosome with the deletion and the normal c...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830460309
更新日期:1994-07-01 00:00:00
abstract::Thrombocytopenia is a poor prognostic indicator in the myelodysplastic syndromes (MDS). Treatment options for patients with symptomatic thrombocytopenia are limited. Danazol, an attenuated androgen, may have some efficacy in increasing the platelet count of patients with MDS. We retrospectively reviewed 33 patients wi...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.10209
更新日期:2002-11-01 00:00:00
abstract::Immune dysregulation and altered T-cell hemostasis play important roles in the pathogenesis of myelodysplastic syndromes (MDS). Recent studies suggest an increased risk of MDS among patients with autoimmune diseases. Here, we investigated the prevalence of autoimmune diseases among MDS patients, comparing characterist...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.24333
更新日期:2016-05-01 00:00:00
abstract::Tissue factor pathway inhibitor (TFPI) is a Kunitz-type proteinase inhibitor that has a crucial role in haemostasis and is primarily synthesized in the vascular endothelium. We investigated plasma total TFPI, antiphospholipid antibodies, and some other coagulation and fibrinolytic system parameters in 30 patients with...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.1186
更新日期:2001-12-01 00:00:00
abstract::Specific anti-human thymus xenoantiserum (ATS) was utilized for characterizing a human thymus antigen (HTA) preferentially expressed on human thymocytes. Binding of ATS with different cell types was studied by immunofluorescence and immunoperoxidase techniques, as well as by radioimmunoprecipitation (RIP) followed by ...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830100206
更新日期:1981-01-01 00:00:00
abstract::The aim of our study was to assess the cytokine profile of sickle cell disease (SCD) patients in steady state and in vaso-occlusive crisis (VOC). VOC has a complex nature, involving interactions between sickle red blood cells (RBC), the endothelium, and leucocytes. Endothelial damage due to recurrent adhesion of sickl...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.20196
更新日期:2004-12-01 00:00:00
abstract::We experienced two rare cases of pernicious anemia that presented in the course of mycosis fungoides in elderly males. Pernicious anemia has recently been reported to be caused by autoimmune gastritis that produces autoantibodies to gastric parietal cells and intrinsic factor. Immunological abnormalities in mycosis fu...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/(sici)1096-8652(199806)58:2<127::aid-ajh7>
更新日期:1998-06-01 00:00:00