abstract：:The uptake of iron by bone marrow erythroblasts and its intracellular distribution have been studied in 23 patients with primary sideroblastic anaemia (SA), five patients with secondary SA and one patient with only non-ringed sideroblasts. EM of erythroblasts from 18 cases showed both mitochondrial iron deposits and c...

journal_title：British journal of haematology

authors： May A,de Souza P,Barnes K,Kaaba S,Jacobs A

更新日期：1982-12-01 00:00:00

abstract：:The expression of Fc(IgG) and C3b membrane receptors by granulocytes and their precursors was examined in 23 cases of megaloblastic anaemia which were graded I-III according to morphological severity. Fractionated bone marrow and peripheral blood granulocyte receptors were assessed by rosette formation with optimally ...

journal_title：British journal of haematology

authors： Scott CS,Bynoe AG,Roberts BE,Hough D

更新日期：1982-11-01 00:00:00

abstract：:The incorporation of the labelled deoxyribonucleosides 3H-deoxythymidine (3H-TdR), H3-deoxycytidine (3H-CdR), 3H-deoxyadenosine (3H-AdR), 3H-deoxyguanosine (3G-GdR), 3H-deoxyuridine (3H-UdR) and of labelled uridine (3H-UR) into DNA and RNA was studied in bone marrow (BM) and peripheral blood (PB) cells from 10 normal ...

journal_title：British journal of haematology

authors： Piga A,Sylwestrowicz T,Ganeshaguru K,Breatnach F,Amos R,Prentice HG,Hoffbrand AV

更新日期：1982-10-01 00:00:00

abstract：:Fibroblast-like cells may be grown from human bone marrow. Adherent cultures show a logarithmic phase of growth lasting 6 d. Hydrocortisone (1 x 10(-8) M) decreases cell growth in 40-60% when measured as cell number and DNA synthesis. Fibroblasts bind the hormone by a high affinity, saturable process showing a Kd of 2...

journal_title：British journal of haematology

authors： Minguell JJ,Martínez J,Walter T

更新日期：1982-10-01 00:00:00

abstract：:The maintenance of physiological levels of haemoglobin is beneficial in the management of patients with thalassaemia major since it leads to better tissue oxygenation, reduction of blood volume, and reduced intestinal absorption of iron. We have studied 11 patients with thalassaemia major while treating them for 4-12 ...

journal_title：British journal of haematology

authors： Masera G,Terzoli S,Avanzini A,Fontanelli G,Mauri RA,Piacentini G,Ferrari M

更新日期：1982-09-01 00:00:00

abstract：:Fibrinogen Chapel Hill II is a hereditary, abnormal fibrinogen which is characterized by poor substrate reactivity toward thrombin, factor XIIIa and plasmin. The patient has a low plasma level of clottable protein with normal antigen concentration, high amounts of fibrinogen related material in serum, and prolonged th...

journal_title：British journal of haematology

authors： Carrell N,McDonagh J

更新日期：1982-09-01 00:00:00

abstract：:The sera of 14 patients with quinine/quinidine-dependent thrombocytopenia were studied in the platelet suspension immunofluorescence test (PSIFT), the 51Cr-lysis assay and the complement fixation test (CFT). When anti-Ig or anti-IgG reagents were used, the PSIFT proved to be a little more sensitive than the 51Cr-lysis...

journal_title：British journal of haematology

authors： van Leeuwen EF,Engelfriet CP,von dem Borne AE

更新日期：1982-08-01 00:00:00

abstract：:The specific sodium pump antagonist ouabain was used to study the effect of sodium pump inhibition on granulopoietic colony formation by normal human bone marrow cells cultured in soft agar for 7 d. Suppression of colony formation was dose-dependent and occurred at a low and reproducible concentration. The use of an e...

journal_title：British journal of haematology

authors： Steed AJ,Boardman KM,Delamore IW

更新日期：1982-07-01 00:00:00

abstract：:A stroma free platelet lysate supernatant (PLS) was prepared by repeatedly freezing and thawing a human platelet suspension separated from platelet rich plasma by gel filtration. The material was potently thrombogenic in a stasis model in rabbits, but only when combined with a purified preparation of factor Xa. The do...

journal_title：British journal of haematology

authors： Giles AR,Nesheim ME,Hoogendoorn H,Tracy PB,Mann KG

更新日期：1982-07-01 00:00:00

abstract：:New diagnostic criteria for the diagnosis of the various myelodysplastic syndromes (MDS) are proposed, and a detailed description is given of the features that may help define MDS. Five MDS are described: (1) refractory anaemia (RA), (2) RA with ring sideroblasts, (3) RA with excess of blasts (RAEB), (4) chronic myelo...

journal_title：British journal of haematology

authors： Bennett JM,Catovsky D,Daniel MT,Flandrin G,Galton DA,Gralnick HR,Sultan C

更新日期：1982-06-01 00:00:00

abstract：:Three identical alpha + thalassemia genes, one of which always carried the Hb J Tongariki mutation, have been observed in Vanuatuans. Despite the fact that at least two of them have arisen by different types of crossover event, the expression of all three haplotypes is identical. ...

journal_title：British journal of haematology

authors： Bowden DK,Pressley L,Higgs DR,Clegg JB,Weatherall DJ

更新日期：1982-06-01 00:00:00

abstract：:Globin-gene mapping of DNA from 13 families with normal Hb A2 beta-thalassaemia (both type 1 and type 2) failed to detect any difference from normal in their globin-gene arrangement. We conclude that deletions such as those responsible for gamma beta-thalassaemia or a 'silent' Hb Lepore are not responsible for this ty...

journal_title：British journal of haematology

authors： Kanavakis E,Metaxotou-Mavromati A,Kattamis C,Aksoy M,Weatherall DJ,Wood WG

更新日期：1982-05-01 00:00:00

abstract：:Canine cyclic haematopoiesis (CH) appears to be a multipotential stem cell defect, possibly due to an intrinsic marrow defect. The in vitro adherent marrow cells of the cyclic haematopoietic (CH) dog were cultured as underlayers beneath normal dog nonadherent marrow cells. The marrow granulocyte-committed colony formi...

journal_title：British journal of haematology

authors： Jones JB,Jolly JD

更新日期：1982-04-01 00:00:00

abstract：:We present evidence that alterations in marrow adherent cell (M phi) function may play a role in the suppression of erythropoiesis in some patients with fungal infection. Bone marrow (BM) cells from 12 normals and 10 patients with histoplasmosis were cultured in plasma clots before and after removal of M phi. BM from ...

journal_title：British journal of haematology

authors： Zanjani ED,McGlave PB,Davies SF,Banisadre M,Kaplan ME,Sarosi GA

更新日期：1982-03-01 00:00:00

abstract：:Raised plasma levels of immunoreactive human calcitonin (i-HCT) have been found in patients with chronic granulocytic leukaemia (CGL) in chronic phase and myeloblastic transformation and in patients with acute myeloid leukaemia at presentation and in relapse. In CGL levels were significantly higher in myeloblastic tra...

journal_title：British journal of haematology

authors： Foa R,Oscier DG,Hillyard CJ,Incarbone E,McIntyre I,Goldman JM

更新日期：1982-02-01 00:00:00

abstract：:In vitro colony formation of bone-marrow erythroid progenitor cells in patients with paroxysmal nocturnal haemoglobinuria (PNH) was examined. The numbers of early and late erythroid progenitors (BFU-E and CFU-E) showed wide variations; two cases out of eight cases of PNH showed decreased erythroid colony formation, bu...

journal_title：British journal of haematology

authors： Urabe A,Fujioka S

更新日期：1982-02-01 00:00:00

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...

journal_title：British journal of haematology

authors： Cazzola M,Barosi G,Berzuini C,Dacco M,Orlandi E,Stefanelli M,Ascari E

更新日期：1982-01-01 00:00:00

abstract：:Non-immune IgG binds to red cell integral membrane proteins obtained by mild alkaline extraction of ghosts. Detergent gel chromatography and electrophoretic analyses of IgG-membrane protein complexes obtained by nonionic detergent solubilization and affinity binding to protein A indicate that three polypeptides partic...

journal_title：British journal of haematology

authors： Victoria EJ,Mahan LC,Masouredis SP

更新日期：1982-01-01 00:00:00

abstract：:Iron uptake and storage in peripheral blood leucocytes has been studies to test the hypothesis that the basic lesion in idiopathic haemochromatosis resides in a failure of mononuclear phagocytic cells to store iron. In seven fully treated cases of this disease there was no evidence of any abnormality in iron uptake, s...

journal_title：British journal of haematology

authors： Jacobs A,Summers MR

更新日期：1981-12-01 00:00:00

abstract：:Plasmas having no detectable factor VIII-related antigen but moderate factor VIII coagulant were obtained from two unrelated dogs homozygous for von Willebrand's disease and with the severe clinical expression of the disease. when these plasmas were gel-filtered in a buffer at physiologic ionic strength, the factor VI...

journal_title：British journal of haematology

authors： Benson RE,Johnson GS,Dodds WJ

更新日期：1981-12-01 00:00:00

abstract：:The profile of thymidine kinase isoenzymes was determined in peripheral blood lymphocytes from 14 patients with chronic lymphocytic leukaemia (CLL) and 31 controls. Twelve patients with indolent disease showed TK2 isoenzyme activity, while two patients in whom the disease evolved and two patients who presented with ag...

journal_title：British journal of haematology

authors： Ellims PH,Gan TE,Van der Weyden MB

更新日期：1981-11-01 00:00:00

abstract：:Five monoclonal antibodies have been tested for their ability to bind to myeloid precursor cells in normal human bone marrow. Indirect immunofluorescence and the fluorescence activated cell sorter was used to separate cells according to their reactivity for trial culture in vitro in order to grow granulocyte-macrophag...

journal_title：British journal of haematology

authors： Crawford DH,Francis GE,Wing MA,Edwards AJ,Janossy G,Hoffbrand AV,Prentice HG,Secher D,McConnell I,Kung PC,Goldstein G

更新日期：1981-10-01 00:00:00

abstract：:A comparison has been made between the prothrombin time test using British Comparative Thromboplastin (BCT) and a chromogenic substrate assay for factor VII in the assessment of laboratory control of oral anticoagulants in short-term and long-term patients. Opportunity was also taken to compare the findings with paral...

journal_title：British journal of haematology

authors： Poller L,Thomson JM,Bodzenta A,Easton AC,Latallo ZS,Chmielewska J

更新日期：1981-09-01 00:00:00

abstract：:In human long-term marrow cultures a relatively high concentration of hydrocortisone (10(-6) M or more) is necessary for the development and subsequent maintenance of some cellular components in the adherent cell layer. However, such concentrations of hydrocortisone seem to be inhibitory for the production of granuloc...

journal_title：British journal of haematology

authors： Suda T,Dexter TM

更新日期：1981-08-01 00:00:00

abstract：:Two new glucose-6-phosphate dehydrogenase (G6PD, D-glucose 6-phosphate: NADP oxido reductase, E.C. 1.1.1.49) variants, designated G6PD Napoli and G6PD Ferrara II, are described in propositi from two unrelated families. Characterization side by side of the two variants according to W.H.O. recommendations reveals minor ...

journal_title：British journal of haematology

authors： De Flora A,Morelli A,Benatti U,Giuntini P,Ferraris AM,Galiano S,Ravazzolo R,Gaetani GF

更新日期：1981-07-01 00:00:00

abstract：:The contribution of red cell size (mean cell volume) to the clinical and haematological manifestations of homozygous sickle cell (SS) disease has been investigated by comparing the features of two groups of patients with low (less than or equal to 80 fl) and high (greater than 95 fl) MCV values after matching for age,...

journal_title：British journal of haematology

authors： Serjeant GR,Foster K,Serjeant BE

更新日期：1981-07-01 00:00:00

abstract：:In previously reported cases, congenital deficiency of coagulation factor XIII has been found to result from the absence of the enzymatically active A subunits. In the family reported here two members were found to be heterozygous for an unstable A subunit which, in the homozygous state, or in the heterozygous state w...

journal_title：British journal of haematology

authors： Castle S,Board PG,Anderson RA

更新日期：1981-06-01 00:00:00

abstract：:An enzyme linked immunoassay incorporating antihuman globulin coupled with alkaline phosphatase has been developed to measure platelet associated IgG (PAIgG). Using a method in which platelet IgG is extracted into the fluid phase after appropriate procedures, we were able to bind the 'solubilized' PAIgG to commerciall...

journal_title：British journal of haematology

authors： Hegde UM,Powell DK,Bowes A,Gordon-Smith EC

更新日期：1981-05-01 00:00:00

abstract：:The proportion of T gamma and T mu lymphocytes was studied in 40 cases of B-chronic lymphocytic leukaemia (B-CLL) and six of B-prolymphocytic leukaemia (B-PLL). The significant increase in T gamma cells, previously reported in two small B-CLL series, was confirmed and shown to be directly correlated with the clinical ...

journal_title：British journal of haematology

authors： Catovsky D,Lauria F,Matutes E,Foa R,Mantovani V,Tura S,Galton DA

更新日期：1981-04-01 00:00:00

abstract：:Penicillin-treated human red blood cells (RBC) were lysed by the cooperation of autologous nonsensitized peripheral blood mononuclear cells and human anti-penicillin serum. Using a rapid (3 h) assay of antibody-dependent cell-mediated cytotoxicity (ADCC), lysis was proportional to serum (anti-penicillin antibody) conc...

journal_title：British journal of haematology

authors： Yust I,Frisch B,Goldsher N

更新日期：1981-03-01 00:00:00

abstract：:Membrane protein synthesis in human immature erythroid cells was studied by incubating the cells with 35S-methionine in vitro. The radioactive precursor amino acid was incorporated into membrane protein in a linear fashion for approximately 60 min, after which there was only a slight increase in incorporation. Intrace...

journal_title：British journal of haematology

authors： Krasnow SH,Pielichowski HJ,Caro J,Burka ER,Ballas SK

更新日期：1981-02-01 00:00:00

abstract：:Folate analogues were added to human bone marrow cells to determine their effect on deoxyuridine utilization in the deoxyuridine suppression test. Formyltetrahydrofolates fully corrected the impairment of dU utilization in pernicious anaemia marrows but tetrahydrofolate was relatively ineffective. All these analogues ...

journal_title：British journal of haematology

authors： Deacon R,Chanarin I,Perry J,Lumb M

更新日期：1980-12-01 00:00:00

abstract：:A collaborative study on factor VIII related antigen (VIII R:Ag) has been carried out, involving 11 laboratories in the U.K. Samples of two different freeze-dried plasmas were assayed against participants' own local standards by the Laurell electroimmunoassay method. There was reasonably good agreement on the relative...

journal_title：British journal of haematology

authors： Kirkwood TB,Barrowcliffe TW

更新日期：1980-11-01 00:00:00

abstract：:Antithrombin III (AT) levels from normal and AT deficiency persons were measured by electroimmunoassay (EIA) and the results compared with a chromogenic assay (S2238). Discrepant results were obtained when plasma and serum were compared using one antiserum, and therefore did not always relate to functional activity. A...

journal_title：British journal of haematology

authors： McKay EJ

更新日期：1980-10-01 00:00:00

abstract：:Erythroid colonies derived from the circulating early erythroid precursor (BFU-E) of a patient with congenital dyserythropoietic anaemia type I (CDA I) have been grown in plasma clot and studied by electron microscopy. The number of circulating BFU-E was in the normal range with a roughly normal appearance at the ligh...

journal_title：British journal of haematology

authors： Vainchenker W,Guichard J,Bouguet J,Breton-Gorius J

更新日期：1980-09-01 00:00:00

abstract：:Factors affecting iron efflux from the isolated perfused rat liver were studied following the intravenous administration of transferrin-(59)Fe or transferrin-(55)Fe administered to the rat from 1.5 h to 3.5 d before perfusion of the liver. The liver was perfused with rat red cells suspended either in rat plasma or Eag...

journal_title：British journal of haematology

authors： Baker E,Morton AG,Tavill AS

更新日期：1980-08-01 00:00:00

abstract：:Human megakaryocytes have been isolated from marrow obtained from ribs removed at thoracotomy. All but one of the patients had normal pre-operative platelet and leucocyte counts. Megakaryocytes averaged 0.37% of all cells in marrow cell suspensions from nine consecutive subjects. A 283-fold purification (to 10.3%) was...

journal_title：British journal of haematology

authors： Levine RF

更新日期：1980-07-01 00:00:00

abstract：:The presence of small amounts of C3d on freshly obtained normal red blood cells (RBC) was demonstrated by a radio-labelled antiglobulin technique; this increased 1.5-fold after incubation in fresh normal serum. No significant further increase in bound C3d was demonstrated for cDE/cDE, CDe/CDe, -D-/-D- RBC maximally se...

journal_title：British journal of haematology

authors： Freedman J,Massey A,Chaplin H,Monroe MC

更新日期：1980-06-01 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

authors： Hellmann A,Th'ng KH,Goldman JM

更新日期：1980-06-01 00:00:00

abstract：:Rats were rendered anaemic by a single bleeding or by a single injection of phenylhydrazine. At various times after the onset of anaemia they were nephrectomized and challenged with a 6 h exposure to hypoxia. The erythropoietin titre observed at the end of this hypoxic period was corrected for renal erythropoietin ind...

journal_title：British journal of haematology

authors： Erslev AJ,Caro J,Kansu E,Silver R

更新日期：1980-05-01 00:00:00