abstract：:A discordance between p53 protein overexpression and the presence of mutations in the gene has been observed in many types of tumors, including human lymphomas. To probe this finding, we have studied a large series of 94 lymphomas of different pathologic types and histologic differentiation. Analyzing exons 5-9, we ha...

journal_title：American journal of hematology

authors： Martinez-Delgado B,Robledo M,Arranz E,Infantes F,Echezarreta G,Marcos B,Sanz C,Rivas C,Benitez J

更新日期：1997-05-01 00:00:00

abstract：:The efficacy of the three common intra- and extragenic polymorphic sites of the factor VIII and IX genes has been examined in the Indian population, with an aim to develop a strategy that would be accurate and informative, yet economical. The approach for hemophilia A carrier detection includes tests for BclI, XbaI, a...

journal_title：American journal of hematology

authors： Shetty S,Ghosh K,Pathare A,Colah R,Badakare S,Mohanty D

更新日期：1997-04-01 00:00:00

abstract：:Pure red cell aplasia (PRCA) sometimes accompanies thymoma. Herein, we report a PRCA patient with thymoma with a clonal disorder of T cells. A 55-year-old man presented with anemia and anterior mediastinum tumor. The laboratory study revealed hemoglobin 8.2 g/dl; leukocytes 15.8 x 10(9)/L with 76.5% neutrophils, 20.0%...

journal_title：American journal of hematology

authors： Masuda M,Arai Y,Okamura T,Mizoguchi H

更新日期：1997-04-01 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

authors： Ts'ao C,Neofotistos D,Oropeza M,Vahabinejad S,Finn WG

更新日期：1997-03-01 00:00:00

abstract：:Paroxysmal nocturnal hemoglobinuria (PNH) is a rare clonal stem-cell disorder in which blood cells lack complement inhibiting membrane proteins, and become susceptible to complement-mediated injury, leading to chronic intravascular hemolysis and pancytopenia. Glucocorticoids have been a mainstay of therapy. For patien...

journal_title：American journal of hematology

authors： Harrington WJ Sr,Kolodny L,Horstman LL,Jy W,Ahn YS

更新日期：1997-02-01 00:00:00

abstract：:"Autonomous" development of erythroid colonies in erythropoietin (EPO)-free semi-solid culture has been used as an in vitro assay for diagnosis of polycythemia vera (PV). These colonies, however, are small and poorly hemoglobinized, rendering the assay in many cases unreliable. We report here on the use of a novel ass...

journal_title：American journal of hematology

authors： Manor D,Rachmilewitz EA,Fibach E

更新日期：1997-01-01 00:00:00

abstract：:The value of menorrhagia as a predictor for mild bleeding disorders has been very little studied and the results are divergent. In the present study on 30 women with objectively verified menorrhagia, we found a significantly increased prevalence of von Willebrand's disease (20%). By keeping a strict sampling and labor...

journal_title：American journal of hematology

authors： Edlund M,Blombäck M,von Schoultz B,Andersson O

更新日期：1996-12-01 00:00:00

abstract：:The lupus anticoagulant may be accompanied by an acquired factor II deficiency and bleeding. We report on a patient with a lupus anticoagulant and factor II (Fll) deficiency responsive to Danazol. Acquired hypoprothrombinemia (FII) with the lupus anticoagulant (LA) may be accompanied by a hemorrhagic diathesis. A 64-y...

journal_title：American journal of hematology

authors： Williams S,Linardic C,Wilson O,Comp P,Gralnick HR

更新日期：1996-12-01 00:00:00

abstract：:To compare the features of sickle-cell anemia in Brazil with those in other locales, we studied the effects of the beta-globin-like gene cluster haplotype and alpha-thalassemia upon the clinical and hematological features in 85 patients. The distribution of haplotypes differed from that in the United States and Jamaic...

journal_title：American journal of hematology

authors： Figueiredo MS,Kerbauy J,Gonçalves MS,Arruda VR,Saad ST,Sonati MF,Stoming T,Costa FF

更新日期：1996-10-01 00:00:00

abstract：:An HTLV-I-seronegative case of adult T-cell leukemia (ATL) carrying the HTLV-I genome is reported. Screening serological tests were negative and Western blot analysis revealed only a faint band for HTLV-I p24. Polymerase chain reaction (PCR) disclosed the presence of HTLV-I gag, pol, env, pX, and LTR sequences in the ...

journal_title：American journal of hematology

authors： Kubota T,Ikezoe T,Hakoda E,Sawada T,Taguchi H,Miyoshi I

更新日期：1996-10-01 00:00:00

abstract：:Among 47 patients with thrombotic thrombocytopenic purpura (TTP), 8 patients were diagnosed to have postoperative-TTP. Two patients underwent vascular surgery, 5 patients coronary artery bypass grafts, and 1 patient resection of myocardial sarcoma. Prior to surgery, all patients except one had normal hemograms and pla...

journal_title：American journal of hematology

authors： Chang JC,Shipstone A,Llenado-Lee MA

更新日期：1996-09-01 00:00:00

abstract：:Prenatal diagnosis was carried out on a woman who had previously given birth to a son with a spontaneous mutation of C-->T transition at nt 31133 of the factor IX (F.IX) gene. The diagnosis was performed on chorionic villi sampling by the method of amplification-created restriction site (ACRS). It revealed a female fe...

journal_title：American journal of hematology

authors： Young JH,Wang JC,Gau JP,Hu HT

更新日期：1996-08-01 00:00:00

abstract：:We describe 3 episodes of microangiopathic hemolytic anemia (MAHA) in 2 solid organ recipients under FK506 (tacrolimus) therapy. In both cases, discontinuation of FK506 and treatment with plasma exchange, fresh frozen plasma replacement, corticosteroids, aspirin, and dipyridamole led to resolution of MAHA. In one pati...

journal_title：American journal of hematology

authors： Mach-Pascual S,Samii K,Beris P

更新日期：1996-08-01 00:00:00

abstract：:Binding of chemoattractant to polymorphonuclear leukocytes (PMNL) triggers a series of events like polymerization of actin and tubulin, orientation of cells, chemotaxis, increase in fluid pinocytosis and phagocytosis, and stimulation of microbicidal pathways which includes lysosomal degranulation and generation of rea...

journal_title：American journal of hematology

authors： Radhika V,Thennarasu S,Naik NR,Kumar A,Advani SH,Bhisey AN

更新日期：1996-07-01 00:00:00

abstract：:A 10-month-old infant with chronic myelomonocytic leukemia (CMML) of 5 months' duration, who had been treated only with transfusion, displayed leukemic transformation characterized by lymphoid morphology, PAS positivity, and myeloperoxidase negativity. Surface marker analysis of blast cells revealed expression of lymp...

journal_title：American journal of hematology

authors： Yamamoto M,Nakagawa M,Ichimura N,Ohtsuki F,Ohtsuka Y,Tsujino Y,Tanaka A,Kamiya T,Wada H

更新日期：1996-07-01 00:00:00

abstract：:Aplastic anemia is a disorder characterized by pancytopenia and bone marrow hypocellularity. There is some evidence that aplastic anemia may be due to suppression of hematopoiesis by activated T-suppressor cells. Thus, immunosuppressive agents have been used as an alternative to bone marrow transplantation for treatme...

journal_title：American journal of hematology

authors： Dorr V,Doolittle G,Woodroof J

更新日期：1996-06-01 00:00:00

abstract：:In polycythemia vera (PV), treatment with chlorambucil and radioactive phosphorus (p32) increases the risk of leukemic transformation from 1% to 13-14%. This risk has been estimated to be 1-5.9% with hydroxyurea (HU) therapy. When compared with historical controls, the risk with use of HU does not appear to be statist...

journal_title：American journal of hematology

authors： Nand S,Stock W,Godwin J,Fisher SG

更新日期：1996-05-01 00:00:00

abstract：:Thrombospondin (TSP), a large protein found in platelet alpha-granules (as TSP-1), mediates adhesion of sickle reticulocytes to cultured vascular endothelium. To further explore the physiologic relevance of this observation, we have measured plasma TSP levels and platelet TSP-1 content in subjects with sickle cell dis...

journal_title：American journal of hematology

authors： Browne PV,Mosher DF,Steinberg MH,Hebbel RP

更新日期：1996-04-01 00:00:00

abstract：:We have previously shown that humic acid (well-water humic acid, HA, and synthetic humic acid, SHA) enhances cell surface expression of tissue factor (TF). Here we report that incubation of human umbilical vein endothelial cells (HUVEC) for 2 hr with HA or SHA cause a rapid rise in TF mRNA levels, as shown by Northern...

journal_title：American journal of hematology

authors： Yang HL,Chiu HC,Lu FJ

更新日期：1996-03-01 00:00:00

abstract：:Severe pruritus is frequently associated with myeloproliferative and other systemic illnesses, and often fails to respond to conventional measures. We used danazol (Danocrine), a synthetic attenuated androgen, in the treatment of severe pruritus refractory to conventional therapy. Eight patients had myeloproliferative...

journal_title：American journal of hematology

authors： Kolodny L,Horstman LL,Sevin BU,Brown H,Ahn YS

更新日期：1996-02-01 00:00:00

abstract：:Serum lactic dehydrogenase (LDH) levels are mildly elevated in beta-thalassemia major due to ineffective erythropoiesis. We reviewed the charts of 15 consecutive thalassemic children who underwent allogeneic, T-cell-depleted bone marrow transplantation (BMT) in our department during the last 3 years. Eleven patients h...

journal_title：American journal of hematology

authors： Toren A,Or R,Kapelushnik J,Chividalli G,Aku M,Slavin S,Nagler A

更新日期：1996-02-01 00:00:00

abstract：:A case of a patient presenting with idiopathic concurrent erythrocytic and megakaryocytic aplasia is reported. The patient's response to immunosuppressive therapy and her bone marrow pathology clearly suggest an immune mechanism. Based on the lack of suppression of erythroid colony growth, several mechanisms are postu...

journal_title：American journal of hematology

authors： Canavan BF,Huhn RD,Kim HC,Kosmin M,Sheay W,Saidi P

更新日期：1996-01-01 00:00:00

abstract：:The molecular basis of triosephosphate isomerase (TPI) deficiency was studied in 3 patients from three separate families. In all 3 patients, genomic DNA directly sequenced after amplification by the polymerase chain reaction exhibited the point mutation TPI315C amino acid 104 Glu-->Asp. Although other mutations known ...

journal_title：American journal of hematology

authors： Schneider A,Westwood B,Yim C,Prchal J,Berkow R,Labotka R,Warrier R,Beutler E

更新日期：1995-12-01 00:00:00

abstract：:High-density lipoprotein (HDL) of 100-400 micrograms/ml did not prevent morphological alterations of human blood platelets treated with serotonin (1-5 microM). Highly concentrated HDL (1,200 micrograms/ml) appeared to activate platelets in vitro. These findings indicate that whole HDL may not inhibit agonist-induced p...

journal_title：American journal of hematology

authors： Pfennig O,Zhao B,Frye S,Dierichs R

更新日期：1995-12-01 00:00:00

abstract：:This report reviews the diagnostic significance of immune markers, their relationship to patient outcome, and the therapeutic uses of monoclonal antibodies (MoAbs) in acute leukemia. Immunophenotyping allows for rapid and reproducible diagnosis in the majority of cases of acute leukemia. It is of particular importance...

journal_title：American journal of hematology

authors： Wang JC,Beauregard P,Soamboonsrup P,Neame PB

更新日期：1995-11-01 00:00:00

abstract：:Long-term survival following chemotherapy or autologous bone marrow transplantation in adults with relapsed/refractory non-Hodgkin's lymphoma was evaluated. English language articles published from January 1, 1988 to September 1, 1993 were obtained from a broad-based MEDLINE search retrieving 3,854 citations regarding...

journal_title：American journal of hematology

authors： Meehan KR,Pritchard RS,Leichter JW,Littenberg B,Welch HG

更新日期：1995-10-01 00:00:00

abstract：:Heparin-induced thrombocytopenia is a rare but severe complication of heparin therapy that can result in severe venous or arterial thromboembolic events and whose treatment remains partially unanswered. Recombinant hirudin is potentially effective as an antithrombotic treatment in the management of heparin-induced thr...

journal_title：American journal of hematology

authors： Schiele F,Vuillemenot A,Kramarz P,Kieffer Y,Anguenot T,Bernard Y,Bassand JP

更新日期：1995-09-01 00:00:00

abstract：:The -117(G-->A)A gamma hereditary persistence of fetal hemoglobin (Greek HPFH) and beta zero 39-thal mutations are rather frequent in Sardinia so that their interaction is to be expected. Characterization of eight compound heterozygotes for these defects indicated that HPFH was linked to haplotype VII and beta zero 39...

journal_title：American journal of hematology

authors： Pistidda P,Frogheri L,Oggiano L,Guiso L,Manca L,Dore F,Masala B,Gilman JG,Longinotti M

更新日期：1995-08-01 00:00:00

abstract：:Gamma inferferon (gamma IFN), alpha tumor necrosis factor (alpha TNF), and interleukin 6 (IL-60) are cytokines produced by a wide variety of cells, including T lymphocytes and NK cells. These cytokines affect B-cell proliferation and differentiation into immunoglobulin secreting cells. In addition, gamma IFN and alpha...

journal_title：American journal of hematology

authors： Garcia-Suarez J,Prieto A,Reyes E,Manzano L,Arribalzaga K,Alvarez-Mon M

更新日期：1995-08-01 00:00:00

abstract：:We report here a patient with de novo acute myelocytic leukemia with trilineage myelodysplasia (AML/TMDS) in whom cytogenetic analysis was normal at diagnosis and in whom Philadelphia chromosome (Ph1) with monosomy 7 emerged at the terminal stage of the disease. Reverse transcription polymerse chain reaction (RT-PCTR)...

journal_title：American journal of hematology

authors： Matsue K,Miyamoto T,Ito M,Tsukuda K

更新日期：1995-08-01 00:00:00

abstract：:In order to study the influence of oxidized low-density lipoprotein (Ox-LDL) on platelet functional morphology at an early activation stage, washed human blood platelets were stimulated by 100 micrograms/ml Ox-LDL at 37 degrees C. The settling and spreading process of stimulated and unstimulated platelets on Formvar-c...

journal_title：American journal of hematology

authors： Zhao B,Rickert CH,Filler TJ,Liu B,Verhallen PF,Dierichs R

更新日期：1995-07-01 00:00:00

abstract：:Cultured endothelial cells from bovine aorta were exposed to oxidized low density lipoprotein and examined by electron microscopy. The endothelial cells contracted slightly and the intercellular junctions became unclear. Some osmiophilic material increased in the cytoplasm. The oxidized low density lipoprotein appears...

journal_title：American journal of hematology

authors： Zhao B,Zhang Y,Liu B,Nawroth P,Dierichs R

更新日期：1995-07-01 00:00:00

abstract：:Defective fibrinolysis due to decreased tissue-type plasminogen activator (t-PA) activity is a well-established finding in patients with systemic lupus erythematosus (SLE). The possibility that this decrease in t-PA activity may be related to the presence of autoantibodies directed against t-PA, and the possible role ...

journal_title：American journal of hematology

authors： Ruiz-Arguelles A,Angles-Cano E,Perez-Romano B,Ruiz-Arguelles GJ,Deleze M,Alarcon-Segovia D,Gaussem P

更新日期：1995-06-01 00:00:00

abstract：:We have studied 91 patients with SS genotype, 44 children and 47 adults. Excluding the Cameroon and atypical haplotypes, the distribution in the children's sample exhibited 43% Benin, 38% Bantu, and 3% Senegal. In adults, the sample exhibited 46% Benin, 30% Bantu, and 9% Senegal (chi 2: 13.511, 2 df, P = 0.001). When ...

journal_title：American journal of hematology

authors： Muniz A,Corral L,Alaez C,Svarch E,Espinosa E,Carbonell N,di Leo R,Felicetti L,Nagel RL,Martinez G

更新日期：1995-06-01 00:00:00

abstract：:The expression of CD45 RA/RO antigen was investigated in neoplasms including cases expressing CD7 antigen as the sole pan-T antigen (n = 8), T-lineage acute lymphoblastic leukemia (ALL)/lymphoblastic lymphoma (LBL) at various stages of differentiation (n = 32), peripheral stage T-lineage leukemia (n = 10) and adult T-...

journal_title：American journal of hematology

authors： Kawano S,Tatsumi E,Yoneda N,Tani A,Nakamura F

更新日期：1995-05-01 00:00:00

abstract：:We prospectively treated 46 patients with favorable myelodysplastic syndrome classified as refractory anemia (RA), refractory cytopenia (RC), or refractory anemia with ringed sideroblasts (RARS). These patients received one of two schedules of 13-Cis-Retinoic Acid (low dose 80 mg daily for 6 months vs. high dose 200 m...

journal_title：American journal of hematology

authors： Letendre L,Levitt R,Pierre RV,Schroeder G,Krook JA,Mailliard JE,Morton RF,Tschetter LK

更新日期：1995-04-01 00:00:00

abstract：:Eight patients with severe chronic autoimmune thrombocytopenic purpura (AITP) refractory to high-dose intravenous immunoglobulin (IVIgG) and/or oral prednisone were treated with one to three infusions of high-dose methylprednisolone (HDMP) (15 mg/kg/day). The mean platelet count before treatment was 12 +/- 10 x 10(9)/...

journal_title：American journal of hematology

authors： Godeau B,Zini JM,Schaeffer A,Bierling P

更新日期：1995-04-01 00:00:00

abstract：:Secondary leukaemia following treatment of M3 acute promyelocytic leukaemia (APL) is a rare event. We describe a patient in remission following chemotherapy for APL who relapsed with M2 acute non-lymphoblastic leukaemia (ANLL). The original t(15;17) (q22;q21) chromosome translocation was lost and replaced by a clone c...

journal_title：American journal of hematology

authors： Hatzis T,Standen GR,Howell RT,Savill C,Wagstaff M,Scott GL

更新日期：1995-01-01 00:00:00

abstract：:Cutaneous lymphoma is a disease characterized with massive skin infiltration of lymphoid malignant cells. They commonly express some T-cell markers, such as CD2, CD3, CD4, and CD7, and thus termed as CTCL (cutaneous T cell lymphoma). Here, we present a case with CD56/N-CAM-positive cutaneous lymphoma, which appears ly...

journal_title：American journal of hematology

authors： Adachi M,Maeda K,Takekawa M,Hinoda Y,Imai K,Sugiyama S,Yachi A

更新日期：1994-12-01 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

authors： Gottschall JL,Neahring B,McFarland JG,Wu GG,Weitekamp LA,Aster RH

更新日期：1994-12-01 00:00:00