abstract：:Parameters of host defence were investigated in 30 patients with sickle cell disease (SCD). A newly devised perfusion system was used to study the kinetics in whole blood of leucocyte adherence, phagocytosis, killing and solubilization of a mixture of Staph. aureus and Str. pneumoniae, and secretion of lactoferrin. A ...

journal_title：British journal of haematology

authors： Boghossian SH,Wright G,Webster AD,Segal AW

更新日期：1985-03-01 00:00:00

abstract：:A systematic analysis of the blast cell population was carried out on samples from 50 patients suffering from blast transformation of chronic granulocytic leukaemia (CGL) (31) and of myelofibrosis (4), acute myelofibrosis (AM) (11) and undifferentiated acute leukaemia (4). Transmission electron microscopy (TEM), used ...

journal_title：British journal of haematology

authors： Polli N,O'Brien M,Tavares de Castro J,Matutes E,San Miguel JF,Catovsky D

更新日期：1985-02-01 00:00:00

abstract：:A new gravity filtration technique for the study of sickle cell deformability has shown a significant loss of filterability of oxygenated erythrocytes on day 2 of painful crisis in eight patients with homozygous sickle cell anaemia; there was no increase in irreversibly sickled cell (ISC) count. Serial study (mean of ...

journal_title：British journal of haematology

authors： Lucas GS,Caldwell NM,Stuart J

更新日期：1985-02-01 00:00:00

abstract：:Significant increases in prolyl hydroxylase activity, a key enzyme in the collagen biosynthetic pathway, were noted in the hepatic homogenates of iron-loaded animals as compared to controls. The increase in prolyl hydroxylase activity was seen without any light microscopic histologic evidence of cell necrosis or accum...

journal_title：British journal of haematology

authors： Weintraub LR,Goral A,Grasso J,Franzblau C,Sullivan A,Sullivan S

更新日期：1985-02-01 00:00:00

abstract：:Lysosomal enzyme activities and isoenzyme profiles were measured in lymphoid and non-lymphoid leukaemic cells from childhood patients. High activities, especially of beta-hexosaminidase and alpha-mannosidase, were associated with leukaemic cells of myeloid or monocytic origin. Leukaemic cells from two children with ac...

journal_title：British journal of haematology

authors： Eden OB,Darbyshire P,Simpson RM,Besley GT,Moss S,Gentle T

更新日期：1985-01-01 00:00:00

abstract：:The use of 111Indium oxine as a platelet label for the performance of platelet life-span studies has been examined. Platelet life-span in normal subjects varied between 8 X 10 and 10 X 36 d. Patients with primary thrombocythaemia had clearly reduced platelet life-span whether or not they presented with vascular occlus...

journal_title：British journal of haematology

authors： Bautista AP,Buckler PW,Towler HM,Dawson AA,Bennett B

更新日期：1984-12-01 00:00:00

abstract：:Human umbilical vein endothelial cells (HUVEC) in primary confluent cultures lost their normal polygonal shape and assumed a 'contracted' appearance as judged by phase contrast microscopy when exposed to highly purified bovine thrombin (2 N.I.H. u/ml). Total actin in thrombin-exposed cells did not differ from that of ...

journal_title：British journal of haematology

authors： Galdal KS,Evensen SA,Høglund AS,Nilsen E

更新日期：1984-12-01 00:00:00

abstract：:The phenotypic expression and functional capacity of natural killer (NK) T-lymphocytes (E+, OKT3+) were analysed in a series of untreated patients with B-cell chronic lymphocytic leukaemia (B-CLL). The mean value of NK activity of B-CLL T-lymphocytes, tested against the K562 cell line, was significantly depressed (P l...

journal_title：British journal of haematology

authors： Foa R,Lauria F,Lusso P,Giubellino MC,Fierro MT,Ferrando ML,Raspadori D,Matera L

更新日期：1984-11-01 00:00:00

abstract：:The localization of adenylate cyclase (AC) in rat bone marrow was studied at the ultrastructural level using a cytochemical technique with adenosine triphosphate (ATP) as substrate. The strongest precipitate occurred around cytoplasmic membranes of cells of granulocytic lineage. Around cells of erythrocytic lineage, a...

journal_title：British journal of haematology

authors： Krzysztofowicz E,Dabrowski Z

更新日期：1984-11-01 00:00:00

abstract：:The effects of oral contraceptive (OC) usage on platelet responsiveness to arachidonic acid metabolites was investigated. Platelets obtained from women who had been taking oral contraceptives for at least 3 months were compared with those of age-matched controls. Both the basal and prostacyclin (PGI2)-stimulated plate...

journal_title：British journal of haematology

authors： Pan IQ,Hall ER,Wu KK

更新日期：1984-10-01 00:00:00

abstract：:Pure fetal blood was obtained by direct-vision fetoscopy from 66 fetuses at 17-24 weeks gestation. The concentration of GSH and the activities of the enzymes gamma-glutamylcysteine synthetase (GCS), glutathione synthetase (GS), glutathione reductase (GR) and glutathione peroxidase (GPx) were analysed by established te...

journal_title：British journal of haematology

authors： Lestas AN,Rodeck CH

更新日期：1984-08-01 00:00:00

abstract：:Twenty-seven stable subclones of seven independent cellular hybrids producing murine monoclonal antibodies to human von Willebrand factor (vWF) have been established. The specificity of the hybridoma antibodies for vWF has been substantiated by a variety of methods including binding to highly purified vWF, absence of ...

journal_title：British journal of haematology

authors： Meyer D,Zimmerman TS,Obert B,Edgington TS

更新日期：1984-08-01 00:00:00

abstract：:It has been suggested that the iron storage protein ferritin has a number of physiological functions not directly related to iron metabolism and a number of these relate to lymphocyte and macrophage activity. The present study demonstrates a selective distribution of ferritin on lymphocyte and macrophage surface membr...

journal_title：British journal of haematology

authors： Cragg SJ,Hoy TG,Jacobs A

更新日期：1984-08-01 00:00:00

abstract：:Three patients with familial antithrombin III deficiency underwent a trial of prophylactic antithrombotic therapy with stanozolol. An increase in plasma fibrinolytic activity and antithrombin III was seen. Acute venous thrombosis occurred in two patients; in the first patient thrombosis was precipitated by venography ...

journal_title：British journal of haematology

authors： Winter JH,Fenech A,Bennett B,Douglas AS

更新日期：1984-07-01 00:00:00

abstract：:A 30-year-old woman was diagnosed as having an acute promyelocytic leukaemia in September 1981. Chemotherapeutic courses of daunomycin, ara-C, thioguanine and prednisolone were administered, resulting in a complete remission. A relapse occurred in January 1982, and chemotherapy did not lead to a second complete remiss...

journal_title：British journal of haematology

authors： Nilsson B

更新日期：1984-07-01 00:00:00

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

authors： Ho WG,Champlin RE,Feig SA,Gale RP

更新日期：1984-05-01 00:00:00

abstract：:Colony-forming cells of the granulocytic/macrophage ( CFCGM ) and eosinophilic ( CFCEo ) series were grown from bone marrow and/or peripheral blood of 20 patients with persistent eosinophilia mainly due to helminthic diseases and of 17 patients without eosinophilia. The semi-solid culture technique of haemopoietic cel...

journal_title：British journal of haematology

authors： Kern P,Dietrich M

更新日期：1984-05-01 00:00:00

abstract：:We describe three patients with chronic granulocytic leukaemia who developed impaired visual acuity in association with high leucocyte counts. Two of the patients were in the chronic phase of their disease and the third developed visual symptoms at the time of blastic transformation. Fundoscopy showed retinal haemorrh...

journal_title：British journal of haematology

authors： Mehta AB,Goldman JM,Kohner E

更新日期：1984-04-01 00:00:00

abstract：:This case study provides evidence for clonal evolution in pre-B-cell leukaemia. At diagnosis, the lymphoblasts from a 3-year-old boy were morphologically subtyped as L1 (French-American-British classification). Their immunophenotype was CALLA+, CIgM+, SIg-, TdT+, and the karyotype was pseudodiploid with a 1;19 translo...

journal_title：British journal of haematology

authors： Abromowitch M,Williams DL,Melvin SL,Stass S

更新日期：1984-03-01 00:00:00

abstract：:In HbSC disease, as in sickle cell anaemia, there is a spectrum of clinical severity. A reduced mean corpuscular volume and haemoglobin concentration, traits typical of thalassaemia, might retard sickling. We therefore ascertained the prevalence of alpha-thalassaemia in 53 adults with HbSC disease and related alpha-gl...

journal_title：British journal of haematology

authors： Steinberg MH,Coleman MB,Adams JG,Platica O,Gillette P,Rieder RF

更新日期：1983-11-01 00:00:00

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

authors： Gray LS,Kleeman JE,Masouredis SP

更新日期：1983-10-01 00:00:00

abstract：:The records of 121 children presenting with acute lymphoblastic leukaemia between 1969 and 1982 were reviewed. The overall relapse free survival rate was 50%. However, girls presenting with a total white blood cell count of 20 X 10(9)/l or less (35% of all patients) had a particularly favourable prognosis with an 80% ...

journal_title：British journal of haematology

authors： Stockley RJ,Ahlquist PY,Mott MG

更新日期：1983-10-01 00:00:00

abstract：:We have investigated the molecular basis of alpha thalassaemia in the so-called 'Cape Coloured' population of Cape Town. DNA from 17 cases was analysed by Southern blotting and hybridization with an alpha globin complementary DNA probe. Three types of alpha thalassaemia genetic determinants were detected: the 3.5 kb d...

journal_title：British journal of haematology

authors： Mathew CG,Rousseau J,Rees JS,Harley EH

更新日期：1983-09-01 00:00:00

abstract：:Monocytes, lymphocytes and polymorphs were separated from the peripheral blood of normal human subjects. Ferritin concentrations were determined with antibodies to both human spleen and heart ferritins. The heart type ferritin concentration in monocytes was 38.4 +/- 21.6 fg/cell (mean +/- SD), in lymphocytes 8.6 +/- 6...

journal_title：British journal of haematology

authors： Jones BM,Worwood M,Jacobs A

更新日期：1983-09-01 00:00:00

abstract：:In an attempt to develop a model system for analysing iron metabolism in a relatively homogeneous population of early red cell precursors, the intracellular distribution of 59Fe was examined in Friend murine erythroleukaemic cells after induction of haemoglobin synthesis with dimethylsulphoxide. After incubation of th...

journal_title：British journal of haematology

authors： Peto TE,Rutherford TR,Thompson JL,Weatherall DJ

更新日期：1983-08-01 00:00:00

abstract：:Intrinsic factor (IF) and cobalamin-R-binding protein (R-binder) linked to polyacrylamide beads were used to absorb cobalamins from solutions and serum extracts. Both binding agents were equally effective in removing [57Co]B12 from aqueous solution. IF was more effective than R-binder in removing [57Co]B12 added to a ...

journal_title：British journal of haematology

authors： Muir M,Chanarin I

更新日期：1983-08-01 00:00:00

abstract：:Normal serum and serum from four patients with severe aplastic anaemia was fractionated by Sephadex G-150 gel filtration. Fractions were tested for direct haemopoietic activity on colony forming cells in methylcellulose cultures, and for their indirect influence on haemopoiesis via CSA- and BPA-producing cells. All ap...

journal_title：British journal of haematology

authors： Nissen C,Moser Y,Speck B,Bendy J

更新日期：1983-08-01 00:00:00

abstract：:Pentose phosphate shunt activity was studied by the release of 14CO2 from 14C-1-glucose and 14C-2-glucose in the red cells of five patients with pyruvate kinase deficiency and found to be significantly decreased after new methylene blue stimulation when compared to high reticulocyte controls. Incubated Heinz body form...

journal_title：British journal of haematology

authors： Tomoda A,Lachant NA,Noble NA,Tanaka KR

更新日期：1983-07-01 00:00:00

abstract：:Red cell membrane proteins have been examined in a family in which three children have severe transfusion-dependent homozygous hereditary elliptocytosis. The membranes in all three show a considerable excess of spectrin dimers over tetramers in spectrin extracts. The red cell membranes of their parents with heterozygo...

journal_title：British journal of haematology

authors： Evans JP,Baines AJ,Hann IM,Al-Hakim I,Knowles SM,Hoffbrand AV

更新日期：1983-06-01 00:00:00

abstract：:Hypercalcaemia complicating acute myelogenous leukaemia is a rare but well-recognized phenomenon. In most cases the pathogenetic mechanism causing the hypercalcaemia remains poorly understood. We recently studied in detail two patients with acute myelogenous leukaemia who developed hypercalcaemia during the course of ...

journal_title：British journal of haematology

authors： Gewirtz AM,Stewart AF,Vignery A,Hoffman R

更新日期：1983-05-01 00:00:00

abstract：:Since the description in 1974 of the 5q--syndrome, only 29 cases have been reported. Over a 3 1/2 year period cytogenetic culture of bone marrow submitted from 344 patients being investigated for a blood disorder revealed nine patients with anomalies of chromosome 5. In five of these patients (samples arising from 37 ...

journal_title：British journal of haematology

authors： Tinegate H,Gaunt L,Hamilton PJ

更新日期：1983-05-01 00:00:00

abstract：:We have assessed the effects of the diphosphonate, dichloromethylene diphosphonate (Cl2MDP), in 19 patients with hypercalcaemia and increased bone resorption due to myeloma. Cl2MDP (800-3200 mg daily by mouth or 300 mg daily by intravenous infusion) decreased plasma calcium and biochemical indices of increased bone re...

journal_title：British journal of haematology

authors： Paterson AD,Kanis JA,Cameron EC,Douglas DL,Beard DJ,Preston FE,Russell RG

更新日期：1983-05-01 00:00:00

abstract：:A 16-year-old boy with a bleeding disorder since infancy has a long bleeding time, normal platelet count and morphology and normal plasma factor-VIII activities. His platelets undergo normal shape change and primary aggregation in response to ADP but show defective 5-hydroxytryptamine (5-HT) secretion and aggregation ...

journal_title：British journal of haematology

authors： Hardisty RM,Machin SJ,Nokes TJ,Rink TJ,Smith SW

更新日期：1983-04-01 00:00:00

abstract：:Fibroblasts grown from the bone marrow of normal individuals and incubated with colony-stimulating factor (CSF) enhance the stimulating activity of this CSF on granulocyte-macrophage colony-forming cell (GM-CFC) proliferation. For this study, the ability of fibroblast monolayers grown from the marrows of six patients ...

journal_title：British journal of haematology

authors： Gordon MY,Gordon-Smith EC

更新日期：1983-03-01 00:00:00

abstract：:Restriction endonuclease analysis has been performed on the alpha and beta globin gene clusters of 57 Cypriots homozygous for beta thalassaemia, 30 with the transfusion dependent form of the condition (thalassaemia major) and 27 who are less severely affected (thalassaemia intermedia). There was a significant differen...

journal_title：British journal of haematology

authors： Wainscoat JS,Kanavakis E,Wood WG,Letsky EA,Huehns ER,Marsh GW,Higgs DR,Clegg JB,Weatherall DJ

更新日期：1983-03-01 00:00:00

abstract：:The 1-O-alkyl-2-O-acetyl-sn-glyceryl-3-phosphorylcholine (PAF-acether) aggregates rabbit platelets and desensitizes them to a second challenge with the same agonist but not to arachidonic acid. The desensitizing activities of 14 analogues of PAF-acether were explored with particular attention to the dose-response depe...

journal_title：British journal of haematology

authors： Keraly CL,Coëffier E,Tencé M,Borrel MC,Benveniste J

更新日期：1983-03-01 00:00:00

abstract：:To determine whether human red cells contain a proteolytic system capable of rapidly degrading unstable proteins, the fate of pulse-labelled puromycyl polypeptides was investigated. In erythroid bone marrow cells these unstable polypeptides were degraded to TCA-soluble fragments with a mean half-life of 4 . 5 min. How...

journal_title：British journal of haematology

authors： Vissers MC,Winterbourn CC,Carrell RW

更新日期：1983-03-01 00:00:00

abstract：:During the past years, several authors have used labelled leucocytes to detect inflammatory foci. However, before routine use in man. It is necessary to control the viability of labelled cells. Five leucocyte labelling techniques (111In-oxine, 111In-oxine without extraction, 99mTc oxine, pyrophosphate 99mTc, 51Cr) wer...

journal_title：British journal of haematology

authors： Colas-Linhart N,Barbu M,Gougerot MA,Bok B

更新日期：1983-01-01 00:00:00

abstract：:Patients with polycythaemia vera and secondary polycythaemia studied with 125I-labelled fibrinogen, had a significantly increased plasma fibrinogen turnover. The abnormalities were greater in polycythaemia vera and correlated with platelet count but not with packed cell volume. In six patients with polycythaemia vera,...

journal_title：British journal of haematology

authors： Boughton BJ,Dallinger KJ

更新日期：1983-01-01 00:00:00

abstract：:The response to 0.8 ml of D-positive (ccDEE) red cells injected i.v., together with 1 microgram anti-D i.m., was studied in 13 D-negative male volunteers (test subjects); the red cells were labelled with 51Cr and were found to have a mean survival time of 24 d, after correction for Cr elution. Within the following 5 m...

journal_title：British journal of haematology

authors： Contreras M,Mollison PL

更新日期：1983-01-01 00:00:00