abstract：:Purified human high-mol-wt kininogen (HMWK), the cofactor of the contact phase of blood coagulation, migrated as a single band (approximately 110,000 mol wt) in a continuous buffer sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), but appeared as two separated bands (approximately 120,000 and 105,0...

journal_title：Blood

authors： Berrettini M,Lämmle B,White T,Heeb MJ,Schwarz HP,Zuraw B,Curd J,Griffin JH

更新日期：1986-08-01 00:00:00

abstract：:A 27-year-old male patient with ataxia telangiectasia (AT) developed atypical chronic lymphocytic leukemia with increasing bone marrow infiltration in the absence of organomegaly. One-third of the leukemia cells expressed a mature suppressor/cytotoxic T cell phenotype (T3+ T4- T6- T8+ T10-), two-thirds demonstrated ad...

journal_title：Blood

authors： Dührsen U,Uppenkamp M,Uppenkamp I,Becher R,Engelhard M,König E,Meusers P,Meuer S,Brittinger G

更新日期：1986-08-01 00:00:00

abstract：:Analysis of fresh human tumors have indicated that patients with B type lymphoproliferative diseases and the majority of patients with acute lymphoblastic leukemia (ALL) express elevated levels of p53 production. It is suggested that in these human malignancies, p53 may provide a novel tool for monitoring cancer activ...

journal_title：Blood

authors： Prokocimer M,Shaklai M,Bassat HB,Wolf D,Goldfinger N,Rotter V

更新日期：1986-07-01 00:00:00

abstract：:The reactivity of acute myeloid leukemia cells (AML) was determined in 29 patients using the fucose binding lectin Ulex europaeus agglutinin (UEA) as surface marker. We show a marked heterogeneity in the UEA-binding abilities of the cells in these patients as determined by fluorescence analysis of the blasts labeled w...

journal_title：Blood

authors： Delwel R,Touw I,Bot F,Löwenberg B

更新日期：1986-07-01 00:00:00

abstract：:The phenotypes of early stages of T cell maturation are reflected by precursor T (lymphoblastic) neoplasms. In the present study, a series of such neoplasms was analyzed to reveal the developmental association of the expression of stage-related cell surface markers and T cell receptor gene rearrangement. Rearrangement...

journal_title：Blood

authors： Pittaluga S,Raffeld M,Lipford EH,Cossman J

更新日期：1986-07-01 00:00:00

abstract：:Cord plasma contains colony-stimulating activity (CSA) which stimulates the in vitro clonal growth of neutrophils, eosinophils, macrophages, erythrocytes, and persisting mast cells in semisolid cultures. Analysis of day 35 colonies in agar cultures was found to be a suitable means of demonstrating this activity and di...

journal_title：Blood

authors： Brown RD,Yuen E,Kronenberg H,Rickard KA

更新日期：1986-07-01 00:00:00

abstract：:An in vitro system has been developed that mimics the passage of erythrocytes from the bone marrow to the circulation. Bone marrow egress and its proper regulation are vital physiologic processes. However, because of the inaccessibility of the marrow, it is difficult to evaluate the various factors important in contro...

journal_title：Blood

authors： Waugh RE,Sassi M

更新日期：1986-07-01 00:00:00

abstract：:Cryoprecipitate has been demonstrated to correct the bleeding abnormality of patients with some congenital (storage pool disease) and acquired (uremia) platelet abnormalities, but the reason for this effect is unknown. We found significant platelet contamination in plasma harvested to prepare fresh frozen plasma and c...

journal_title：Blood

authors： George JN,Pickett EB,Heinz R

更新日期：1986-07-01 00:00:00

abstract：:The relative requirements of colonies derived from erythroid (BFU-E) and myeloid (CFU-c) progenitors for transferrin were examined using monoclonal antibodies directed against the transferrin molecule (TF-6) or its cell surface receptor (TFR-A12, TFR1-2B). Growth of erythroid bursts was profoundly reduced at concentra...

journal_title：Blood

authors： Shannon KM,Larrick JW,Fulcher SA,Burck KB,Pacely J,Davis JC,Ring DB

更新日期：1986-06-01 00:00:00

abstract：:Interactions between vascular endothelial cells and blood platelets have been investigated using a model microcirculation consisting of microcarrier beads colonized with human umbilical vein endothelial cells (HUVECs) and perfused with washed platelet suspensions. To simulate the effects of endothelial desquamation an...

journal_title：Blood

authors： Chesterman CN,Owe-Young R,Macpherson J,Krilis SA

更新日期：1986-06-01 00:00:00

abstract：:Forty-nine patients with primary myelodysplastic syndromes (MDS) were subclassified according to French-American-British (FAB) Cooperative Group criteria. Eight patients had acquired idiopathic sideroblastic anemia (AISA), ten had chronic myelomonocytic leukemia (CMMoL), 14 had refractory anemia (RA), nine had refract...

journal_title：Blood

authors： Jacobs RH,Cornbleet MA,Vardiman JW,Larson RA,Le Beau MM,Rowley JD

更新日期：1986-06-01 00:00:00

abstract：:The molecular basis for the hereditary persistence of fetal hemoglobin (HPFH) phenotype was studied in a Chinese individual who was heterozygous for a nondeletion form of A gamma-HPFH. Both allelic A gamma-globin genes were isolated by molecular cloning and subjected to nucleotide sequence analysis. One A gamma gene p...

journal_title：Blood

authors： Gelinas R,Bender M,Lotshaw C,Waber P,Kazazian H Jr,Stamatoyannopoulos G

更新日期：1986-06-01 00:00:00

abstract：:Human endothelial cells release two forms of a plasminogen activator-specific inhibitor: an active form that readily binds to and inhibits plasminogen activators and an inactive or latent form that has no anti-activator activity but which can be activated by denaturation. Latent and active forms of plasminogen activat...

journal_title：Blood

authors： Levin EG

更新日期：1986-05-01 00:00:00

abstract：:To characterize juvenile chronic myelogenous leukemia (JCML), the proliferative properties of bone marrow (BM) and peripheral blood (PB) cells from nine patients were studied using assays for CFU-C and CFU-GEMM and liquid cultures. All specimens showed two reproducible abnormalities: impaired growth of normal hematopo...

journal_title：Blood

authors： Estrov Z,Grunberger T,Chan HS,Freedman MH

更新日期：1986-05-01 00:00:00

abstract：:We have used monoclonal antibodies (M Abs) and proteolytic fragmentation to localize structurally the functional sites of human von Willebrand factor (vWF) responsible for interaction with membrane glycoproteins GPIb, GPIIb/IIIa, and with collagen. SpII (215 kd) and SpIII (320 kd), the S aureus V-8 protease homodimeri...

journal_title：Blood

authors： Girma JP,Kalafatis M,Piétu G,Lavergne JM,Chopek MW,Edgington TS,Meyer D

更新日期：1986-05-01 00:00:00

abstract：:Concentrations of plasma fibrinopeptide A (FPA) were measured by radioimmunoassay in 50 patients with venous thromboembolism or disseminated intravascular coagulation or both. A consistent discrepancy was observed in values obtained with two anti-FPA antisera. Analysis of extracts from plasma of these patients by high...

journal_title：Blood

authors： Leeksma OC,Meijer-Huizinga F,Stoepman-van Dalen EA,van Ginkel CJ,van Aken WG,van Mourik JA

更新日期：1986-05-01 00:00:00

abstract：:To determine the hematopoietic cell lineage of mitotic cells in human bone marrow on direct examination and after 24-hour culture, marrow mitoses from four healthy individuals were studied, using a new technique that allows analysis of karyotypes in cells whose cell membrane and cytoplasm have been preserved. Mitoses ...

journal_title：Blood

authors： Keinänen M,Knuutila S,Bloomfield CD,Elonen E,de la Chapelle A

更新日期：1986-05-01 00:00:00

abstract：:Normal human B cell proliferation is controlled by various immunoregulatory signals including the T cell-derived lymphokine B cell growth factor (BCGF). The role of BCGF in the regulation of malignant B cell proliferation is unclear. Therefore, we studied the proliferative response of purified chronic lymphocytic leuk...

journal_title：Blood

authors： Perri RT

更新日期：1986-04-01 00:00:00

abstract：:Human umbilical vein endothelial cells were analyzed for the presence of prothrombin, factor VII, protein C, and protein S in culture supernatants and cell extracts using specific radioimmunoassays. Only protein S was detected. Conditioned medium from 24-hour cultures and cell lysates contained 21.7 ng/mL and 88.8 ng/...

journal_title：Blood

authors： Fair DS,Marlar RA,Levin EG

更新日期：1986-04-01 00:00:00

abstract：:Peripheral blood and bone marrow mononuclear cells from patients with refractory anemia (RA) or RA with sideroblasts (defined according to the revised French-American-British classification with less than 5% blast cells in the bone marrow) were analyzed using a panel of monoclonal antibodies directed against leukocyte...

journal_title：Blood

authors： Hokland P,Kerndrup G,Griffin JD,Ellegaard J

更新日期：1986-04-01 00:00:00

abstract：:The effects of arachidonic acid on human granulocytes (polymorphonuclear neutrophil leukocytes, PMN) were examined with respect to early events associated with activation of the superoxide (O2-)-generating system and its reactivation with other stimuli after the addition of fatty acid-free bovine serum albumin. As wit...

journal_title：Blood

authors： Cohen HJ,Chovaniec ME,Takahashi K,Whitin JC

更新日期：1986-04-01 00:00:00

abstract：:The influence of the shape of the red blood cell during stomatocyte-echinocyte transformation on its deformability was studied by microsieving through pores with diameters of 2.6, 4.5, and 6.9 micron. A stomatocytic transformation was produced by chlorpromazine (0.02, 0.1, and 0.5 mmol/L) and an echinocytic transforma...

journal_title：Blood

authors： Reinhart WH,Chien S

更新日期：1986-04-01 00:00:00

abstract：:Whole saliva samples collected from available people at risk in Boston for infection with human T-lymphotropic virus type III (HTLV-III/LAV), from late 1984 through early 1985, were analyzed for the presence of antibodies to viral proteins. Fourteen of 20 (70%) acquired immunodeficiency syndrome (AIDS) patients and 14...

journal_title：Blood

authors： Archibald DW,Zon L,Groopman JE,McLane MF,Essex M

更新日期：1986-03-01 00:00:00

abstract：:Interferons (IFNs) initiate their effects by interacting with specific high-affinity cell surface receptors, but little is known about the physiology of IFN receptor interaction in vivo. Treatment of patients suffering from hairy cell leukemia (HCL) with human recombinant alpha IFN results in significant tumor regress...

journal_title：Blood

authors： Billard C,Sigaux F,Castaigne S,Valensi F,Flandrin G,Degos L,Falcoff E,Aguet M

更新日期：1986-03-01 00:00:00

abstract：:High molecular weight (HMW) kininogen, the cofactor for activation of the contact system of plasma proteolysis, transports and optimally positions prekallikrein and factor XI on a negatively charged surface, allowing those zymogens to be activated by surface-bound factor XIIa. HMW kininogen circulates in plasma as a p...

journal_title：Blood

authors： Chang JJ,Scott CF,Colman RW

更新日期：1986-03-01 00:00:00

abstract：:Cellular oncogenes have been localized at the breakpoints of characteristic chromosomal rearrangements occurring in certain hematologic malignancies. This has been reported to result in aberrant expression of the involved oncogenes. Over 90% of chronic myelogenous leukemia (CML) is characterized by a reciprocal transl...

journal_title：Blood

authors： Romero P,Blick M,Talpaz M,Murphy E,Hester J,Gutterman J

更新日期：1986-03-01 00:00:00

abstract：:Immune thrombocytopenias are usually associated with normal or increased numbers of megakaryocytes in the marrow. Therefore, the mechanism(s) responsible for the destruction of circulating platelets may not affect megakaryocytes in the same way. One of the possibilities which could account for the differential effect ...

journal_title：Blood

authors： Stahl CP,Zucker-Franklin D,McDonald TP

更新日期：1986-02-01 00:00:00

abstract：:1-D-Amino(8-D-arginine)-vasopressin (DDAVP) infusion in three patients with type IIa von Willebrand's disease (vWD) resulted in a normalization of the factor VIII coagulant, factor VIII-related antigen, and von Willebrand factor (vWF) (ristocetin cofactor) activities and the bleeding time. The normalization of these h...

journal_title：Blood

authors： Gralnick HR,Williams SB,McKeown LP,Rick ME,Maisonneuve P,Jenneau C,Sultan Y

更新日期：1986-02-01 00:00:00

abstract：:The evidence for a regulatory role of acidic isoferritins on hemopoiesis is not entirely consistent with our knowledge of ferritin biochemistry, and no clear picture of this phenomeonon has emerged. In the present study, we have been unable to confirm a consistent effect of purified heart (acidic), spleen (basic), or ...

journal_title：Blood

authors： Sala G,Worwood M,Jacobs A

更新日期：1986-02-01 00:00:00

abstract：:Isolated splenic hairy cells from three untreated patients were cultured in presence of recombinant human interferon alpha-2C (IFN alpha). Ultrastructural cytochemistry and immunophenotype analysis with a large panel of monoclonal antibodies were performed to study cellular modification induced by IFN alpha. Hairy cel...

journal_title：Blood

authors： Baldini L,Cortelezzi A,Polli N,Neri A,Nobili L,Maiolo AT,Lambertenghi-Deliliers G,Polli EE

更新日期：1986-02-01 00:00:00

abstract：:We evaluated phagocytic and lytic activities of peripheral blood monocytes (PBMo) from patients with thalassemia major (ThP) using C pseudotropicalis as the target. PBMo from ThP showed decreased lytic activity (P less than .001), whereas the phagocytic activity did not differ from that of the controls. Significant in...

journal_title：Blood

authors： Ballart IJ,Estevez ME,Sen L,Diez RA,Giuntoli J,de Miani SA,Peñalver J

更新日期：1986-01-01 00:00:00

abstract：:An increasing number of reports document instances in which individual leukemic cells coexpress markers normally believed to be restricted to a single lineage. This has been interpreted by McCulloch and colleagues as aberrant programming or lineage infidelity and contrasts with earlier suggestions that lineage fidelit...

journal_title：Blood

authors： Greaves MF,Chan LC,Furley AJ,Watt SM,Molgaard HV

更新日期：1986-01-01 00:00:00

abstract：:A cone and plate viscometer and Coulter Counter were used to study platelet modulation of polymorphonuclear leukocyte (PMNL) aggregation caused by controlled shear stress. As an index of aggregation, the large-particle percentage (LPP) was calculated. This represents the ratio of aggregated cell count to total cell co...

journal_title：Blood

authors： Rhee BG,Hall ER,McIntire LV

更新日期：1986-01-01 00:00:00

abstract：:To obtain information relevant to the question of bone marrow transplantation, we examined the prognostic significance of disease features recorded at the time of diagnosis among 625 patients, aged 5 to 45, with Philadelphia chromosome-positive, nonblastic chronic granulocytic leukemia. The actuarial death rate for th...

journal_title：Blood

authors： Sokal JE,Baccarani M,Tura S,Fiacchini M,Cervantes F,Rozman C,Gomez GA,Galton DA,Canellos GP,Braun TJ

更新日期：1985-12-01 00:00:00

abstract：:Erythrocytes of neonates and adults were incubated with increasing concentrations of H2O2 in the presence of a catalase inhibitor and in the absence of glucose; the pattern of oxidation of vitamin E was analyzed in relationship to that of glutathione, hemoglobin, and polyunsaturated fatty acids (PUFA), and in relation...

journal_title：Blood

authors： Vanderpas J,Vertongen F

更新日期：1985-12-01 00:00:00

abstract：:It was found in a long-term bromodeoxyuridine (BrdU) infusion study that two or more different subpopulations of bone marrow stem cells exist in mice. One of these subpopulations appears to be noncycling and forms approximately 10% of eight-day CFU-S. Another one, a subpopulation of slowly cycling bone marrow cells, i...

journal_title：Blood

authors： Pietrzyk ME,Priestley GV,Wolf NS

更新日期：1985-12-01 00:00:00

abstract：:High-molecular weight DNAs of fresh bone marrow cells from 32 patients with fresh leukemia were assayed for the presence of transmissible activated transforming genes by a DNA-mediated gene transfer technique using NIH/3T3 cells. DNAs of bone marrow cells from four of the 32 patients induced transformation of NIH/3T3 ...

journal_title：Blood

authors： Hirai H,Tanaka S,Azuma M,Anraku Y,Kobayashi Y,Fujisawa M,Okabe T,Urabe A,Takaku F

更新日期：1985-12-01 00:00:00

abstract：:Thrombospondin is a principal glycoprotein secreted by thrombin-stimulated platelets and has known affinities for fibrinogen and fibrin. We studied the distribution of thrombospondin in clots formed in situ on Formvar-coated coverslips at 37 degrees C for intervals up to 17 hours. The distributions of three other majo...

journal_title：Blood

authors： Murphy-Ullrich JE,Mosher DF

更新日期：1985-11-01 00:00:00

abstract：:The turnover rates of beta and gamma globin messenger RNAs and of beta and gamma globin protein synthesis in human reticulocytes have been measured. Our goal was to determine whether beta globin mRNA is significantly more stable than gamma globin mRNA during the final stages of erythroid cell maturation. Such a result...

journal_title：Blood

authors： Ross J,Sullivan TD

更新日期：1985-11-01 00:00:00

abstract：:The human erythrocyte actively phosphorylates and dephosphorylates phosphatidylinositol present in the membrane in an apparent "futile cycle." Recent reports have proposed that this phosphorylation/dephosphorylation cycle is a significant consumer of adenosine-5'-triphosphate (ATP) in the erythrocyte. This study detai...

journal_title：Blood

authors： Dale GL

更新日期：1985-11-01 00:00:00