Abstract:
:Dihydrofolate reductase (FH2-R) was studied cytochemically in the bone marrow erythroblasts of 20 normal controls and 46 patients with myelodysplastic syndromes (MDSs) classified according to FAB, prior to therapy. The reaction product was quantified for the same samples with a Vickers M86 microdensitometer. The enzyme activity progressively decreased during the normal differentiation of the erythroid cells and persisted at high levels in MDS cells. The high level of FH2-R may be related to the malignant transformation of the cells, or to increased compensatory erythropoietic activity of ineffective erythropoiesis, or to both.
journal_name
Acta Haematoljournal_title
Acta haematologicaauthors
Nano R,Invernizzi R,Rezzani R,Gerzeli Gdoi
10.1159/000205807subject
Has Abstractpub_date
1988-01-01 00:00:00pages
198-201issue
4eissn
0001-5792issn
1421-9662journal_volume
79pub_type
杂志文章abstract::A 59-year-old man presented with lymphocytosis with huge splenomegaly. The abnormal lymphocytes had a high nucleoplasm:cytoplasm ratio, a prominent nucleolus and hairy cytoplasmic projections. Immunophenotyping revealed B-cell leukemia with negative reactions to CD5 and CD25. Cytogenetic study showed 46,XY,der(5)t(5;6...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000203984
更新日期:1995-01-01 00:00:00
abstract::Automated cytochemistry by the Hemalog D carries out leukocyte differential counts in a continuous flow mode on whole blood EDTA-collected samples, through the optical measurement of enzyme activity and cell size. This operative principle thus parallels the basis of the FAB classification of acute leukemias. Although ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206394
更新日期:1984-01-01 00:00:00
abstract::This report describes a case of hairy cell leukemia (HCL) occurring with autoimmune chronic active hepatitis (CAH). A 74-year-old woman presented with typical clinical and histologic features of HCL for which splenectomy was performed. 2 years later she developed abnormal liver function tests due to auto-immune CAH. T...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206291
更新日期:1985-01-01 00:00:00
abstract::Red cell glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-chromosomal-linked abnormality often associated with hemolytic anemia. The G6PD variants obtained from 2 unrelated males, one associated with enzyme deficiency and history of hemolytic jaundice, and the other associated with enzyme deficiency but no ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206354
更新日期:1984-01-01 00:00:00
abstract::Inferferon alfa-2b (IFN) plays a major role in the current management of previously untreated patients with chronic myelogenous leukemia (CML) as well as patients with CML who have relapsed after bone marrow transplantation. Hydroxyurea (HU) is the best conventional drug for treatment of CML in the chronic phase. Ten ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000203859
更新日期:1996-01-01 00:00:00
abstract::Treating patients with hemophilia and inhibitors is often problematic. The presence of inhibitors negatively impacts the effectiveness of treatment to achieve hemostasis especially in patients with hemophilia B, owing mainly to allergic reactions to factor IX (FIX) concentrates and the low success rate of immune toler...
journal_title:Acta haematologica
pub_type:
doi:10.1159/000508722
更新日期:2020-07-22 00:00:00
abstract::Preliminary results from the first 21 patients of a group of 30 with International Federation of Gynaecology and Obstetrics (FIGO) stage II-IV epithelial ovarian carcinoma and anaemia are reported. Patients entered this open-label, comparative-group, out-patient study and were randomized to receive conventional suppor...
journal_title:Acta haematologica
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1159/000204782
更新日期:1992-01-01 00:00:00
abstract::It has been proposed that iron overload may adversely affect liver disease outcome. The recent identification of 2 mutations in the HFE gene related to hereditary haemochromatosis (Cys282Tyr and His63Asp) provided an opportunity to test whether they are associated with hepatic iron accumulation and the activity and se...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000040991
更新日期:2000-01-01 00:00:00
abstract::A 69-year-old Japanese female was admitted to our hospital due to a 2-month history of vomiting after eating. Examination of the small intestinal tract revealed a tumor with calcification in the inner portion, from the horizontal portion to the ascending portion of the duodenum, and jejunojejunostomy was performed. Th...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000041012
更新日期:1999-01-01 00:00:00
abstract::Fetal liver transplantation was attempted in 7 patients with aplastic anemia. 4 of these patients showed a partial response as evidenced by decrease in blood transfusion requirements and increase in the peripheral blood counts and hematopoietic cells in the bone marrow. Bone marrow culture studies revealed evidence of...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207558
更新日期:1979-01-01 00:00:00
abstract::All-trans-retinoic acid (ATRA) combined with anthracyclines is currently the standard treatment for acute promyelocytic leukemia (APL). In elderly patients the presence of comorbidities, such as cardiomyopathy or different organ failures, often represents an absolute contraindication to standard chemotherapy. In this ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000097880
更新日期:2007-01-01 00:00:00
abstract::Of 34 patients with chronic inflammatory bowel disease (CIBD), 4 developed well-documented episodes of deep-venous thrombosis. All 4 patients had active disease at the time of thrombosis. This group was studied to determine if the tendency to deep-venous thrombosis in patients with CIBD was associated with reduced ant...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206688
更新日期:1983-01-01 00:00:00
abstract::Treatment of acute lymphoblastic leukemia is unsatisfactory in adults due to disease and patient-related factors and probably because adult chemotherapy regimens are weaker than pediatric protocols. Worries about inadequacy of adult regimens urged many hematologists, including us, to reconsider their routine treatment...
journal_title:Acta haematologica
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1159/000351172
更新日期:2013-01-01 00:00:00
abstract::Eltrombopag is a thrombopoietin receptor agonist frequently used to manage immune thrombocytopenia and aplastic anemia. At the high doses used for aplastic anemia, but not the doses used for immune thrombocytopenia, eltrombopag can cause reddish-brown discoloration of plasma, which can interfere with bilirubin measure...
journal_title:Acta haematologica
pub_type:
doi:10.1159/000508599
更新日期:2020-07-22 00:00:00
abstract::In the present study, we investigated the inhibitory natural killer cell receptor (NKR) expression of CD94/NKG2A on PBMC after allogeneic bone marrow transplantation (BMT). The proportion of CD94 expression on PBMC was higher in patients without chronic graft-versus-host disease (cGVHD) and also in cGVHD patients with...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000046540
更新日期:2001-01-01 00:00:00
abstract::Serological and biochemical studies were performed on M components isolated from 3 patients with transitional cell carcinoma of the urinary bladder (TCC). All were IgG1(K) proteins. 2 of the 3 belonged to the VKI subgroup, and these 2 also possessed cross-reactive idiotypic determinants. These findings are consistent ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206983
更新日期:1982-01-01 00:00:00
abstract::A 64-year-old man with multiple sclerosis developed a circulating anticoagulant. Three immunoglobulin fractions (I = IgG; II =IgG+IgA; III = IgM) were separated from patient serum by 33-percent ammonium sulfate precipitation and DEAE-52 cellulose column chromatography. Fractions I (IgG) and II (IgG+IgA) had factor VII...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207993
更新日期:1976-01-01 00:00:00
abstract::Iron overload due to regular transfusions of packed red cells can cause multiple organ damage. Iron chelation therapy (ICT) is important in patients with aplastic anemia (AA) who require blood transfusions as supportive management. With the introduction of the oral iron chelator deferasirox, ICT has become more widely...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000342772
更新日期:2013-01-01 00:00:00
abstract::96 consecutive acute myelogenous leukemia (AML) patients were analyzed retrospectively with regard to the regimen used for remission induction. 35 patients received daunorubicin for 3 days, cytosine arabinoside and 6-thioguanine for 7 days. 61 were treated with the same regimen but 6-thioguanine was replaced by etopos...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000205173
更新日期:1990-01-01 00:00:00
abstract::RAS mutations are found in about 25% of acute myeloid leukemia (AML) cases. The importance of these changes is unknown. If RAS mutations confer growth advantage to leukemia subclones in which they emerge, substantially more nonconservative than conservative mutations should be found. The incidence of conservative muta...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204200
更新日期:1994-01-01 00:00:00
abstract::In a 42-year-old Caucasian female, acute myelocytic leukemia (M2) presented as occlusion of the distal aorta and right iliac artery. She died after 10 days of respiratory failure. At postmortem examination the aortic wall contained multiple thrombi composed of fibrin and leukemic cells. There was no evidence of diffus...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206100
更新日期:1986-01-01 00:00:00
abstract::Acute megakaryoblastic leukemia is uncommon and comprises about 5% of acute nonlymphoid leukemias in the French-American-British classification. Cell lines from such leukemias are relatively rare with only about 8 reported in the literature. We established a cell line from a case of acute megakaryoblastic leukemia ari...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000203557
更新日期:1997-01-01 00:00:00
abstract::The concentration of plasma vitamin B12 bound to transcobalamin II was measured by two methods: QUSO and Heparin Sepharose (HS). The new HS procedure provided a specific, direct measurement of vitamin B12 bound to both R binder and transcobalamin II in plasma. ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204522
更新日期:1993-01-01 00:00:00
abstract:BACKGROUND:In 2003, oral fludarabine was introduced in the USA for the treatment of patients with hematologic malignancies as an alternative to its intravenous (i.v.) formulation; in 2008, it was introduced in México while the i.v. formulation was withdrawn. Accordingly, i.v. fludarabine had to be replaced by oral flud...
journal_title:Acta haematologica
pub_type: 临床试验,杂志文章
doi:10.1159/000357108
更新日期:2014-01-01 00:00:00
abstract::Monosomy 7 myelodysplasia is a rare hematological entity and is associated with morphological abnormalities in bone marrow and peripheral smear, and poor prognosis in children. We describe 2 children with infantile monosomy 7 myelodysplasia which evolved to leukemia. One of them died after 1 month, and the other is st...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204135
更新日期:1994-01-01 00:00:00
abstract::Total and unsaturated folate binding capacity (TFBC, UFBC) have been measured in sera of selective groups of patients to study the role of cell turnover, cell necrosis and the effect of pregnancy in determining their concentrations in blood. The mean value of TFBC in 35 normal sera was 151 +/- (SD) 53 pg/ml with a sat...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000207657
更新日期:1979-01-01 00:00:00
abstract::The transcription factors GATA-1 and GATA-2 play key roles in gene regulation during erythropoiesis. Gene ablation studies in mouse revealed that GATA-2 is crucial for the maintenance and proliferation of immature hematopoietic progenitors, whereas GATA-1 is essential for the survival of erythroid progenitors as well ...
journal_title:Acta haematologica
pub_type: 杂志文章,评审
doi:10.1159/000065660
更新日期:2002-01-01 00:00:00
abstract::In the last 18 years, we have observed 24 cases of hypoparathyroidism (HPT) in beta-thalassemia major. At present, 4.5% of patients followed regularly in our department have this complication. HPT is thought to be mainly the consequence of iron deposition in the parathyroid glands. The age of our patients when HPT was...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000204662
更新日期:1992-01-01 00:00:00
abstract::Many bovine leukemic lymphocytes produce virus particles when kept in survival cultures in Eagle's Minimum Essential Medium supplemented with 20 percent of inactivated fetal calf serum. Virus particles equilibrate at a density of 1.16 g/ml in sucrose gradients and at a density of 1.12 g/ml in metrizamide gradients. Si...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000208076
更新日期:1975-01-01 00:00:00
abstract::A mild anemia (hemoglobin 9 g/dl) was found in a patient from Seville (Spain) with marked morphological abnormalities in the peripheral blood smear. The red cell osmotic fragility showed a mild resistance curve with a mean cell fragility (MCF) of 0.375% NaCl (normal = 0.450). Chemical Chemical and thermal instability ...
journal_title:Acta haematologica
pub_type: 杂志文章
doi:10.1159/000206274
更新日期:1985-01-01 00:00:00