解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Six patients, five with acute myeloid leukemia (AML) and one with a myelodysplastic syndrome (MDS), were found to have monosomy 7 by conventional cytogenetics at diagnosis. Repetitive DNA sequences from the heterochromatic region of human chromosomes 1 and 7 were used as probes for in situ hybridization experiments on...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830330208
更新日期:1990-02-01 00:00:00
abstract::Essential thrombocythemia (ET) is a myeloproliferative disorder characterized by isolated overproduction of platelets, thrombohemorrhagic complications, and a median age of 50-60. When it occurs in younger patients, the incidence of complications has been reported to be quite low, with a good long-term prognosis. We r...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830330106
更新日期:1990-01-01 00:00:00
abstract::We report a family with a dominantly transmitted syndrome resembling Fanconi's anemia and spanning two generations. This syndrome was characterized by an ill-defined hematologic stem cell disorder, immune dysfunction, poor dentition, hyperpigmented skin, warts, and multiple second trimester spontaneous abortions and i...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830320402
更新日期:1989-12-01 00:00:00
abstract::Fifty-nine HIV-1 antibody positive and 58 antibody negative hemophiliacs were evaluated over a 2 year study period to gain insight into the natural history and prognosis of HIV-1 disease in members of this risk group. Mean CD4 (Leu 3+) cell counts calculated at 6 month intervals decreased gradually in seropositive pat...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830320406
更新日期:1989-12-01 00:00:00
abstract::National AIDS surveillance suggests that approximately 3.5% of all hemophilic patients in the United States have developed AIDS as of February 1988; however, the cumulative incidence of AIDS among seropositive patients at individual hemophilia treatment centers (HTCs) has been reported to be as high as 12%. The purpos...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830320304
更新日期:1989-11-01 00:00:00
abstract::Extensive extralymphatic Hodgkin disease developed in a young man with common variable immunodeficiency manifested by hypogammaglobulinemia, recurrent sinopulmonary infections, and multiple autoimmune phenomena. Both humoral and cell-mediated immune dysfunction were present prior to treatment. After two cycles of chem...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830320212
更新日期:1989-10-01 00:00:00
abstract::Hemostatic changes were evaluated in ten patients with acute lymphoblastic leukemia and lymphoma who received chemotherapy with L-asparaginase, vincristine, and prednisolone for 1 week. Following treatment, prothrombin time and activated partial thromboplastin time were significantly prolonged, while a marked decrease...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830320105
更新日期:1989-09-01 00:00:00
abstract::The goal of the present study was to search for criteria that allow one to distinguish between normal individuals and heterozygotes as well as compound heterozygotes for pyruvate kinase (PK) deficiency. As the residual activity of PK with heterozygotes was between 35% and 110% of the normal activity, it was necessary ...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830310402
更新日期:1989-08-01 00:00:00
abstract::This review focuses on the initial clinical descriptions and subsequent investigation of the syndrome of recurrent infections associated with neutrophil membrane glycoprotein deficiencies. Characterization of the missing group of three glycoprotein heterodimers and their role in adhesion-related neutrophil function is...
journal_title:American journal of hematology
pub_type: 杂志文章,评审
doi:10.1002/ajh.2830310416
更新日期:1989-08-01 00:00:00
abstract::We present two patients with human immunodeficiency virus-1 (HIV-1) infection in whom T-cell non-Hodgkin lymphoma developed, based on pathologic diagnosis, immunophenotyping, and T-cell receptor gene rearrangement. Both cases were positive for human immunodeficiency virus-1 by enzyme-linked immunosorbent assay and imm...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830310307
更新日期:1989-07-01 00:00:00
abstract::The arachidonic acid metabolites produced by human peripheral blood monocytes were studied to determine which metabolites could have a role in thrombogenesis. Monocytes were found to be free of platelets by scanning electron microscopy and by measurement of 12-HETE. Human peripheral blood monocytes produce thromboxane...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830310302
更新日期:1989-07-01 00:00:00
abstract::Seventy-three patients with hereditary spherocytosis (HS) (58 nonsplenectomized, 15 splenectomized) were studied to evaluate iron status and the adequacy of iron availability for erythropoiesis. Splenectomized patients, who had hemoglobin levels in the normal or upper normal range, had higher levels of serum iron, tra...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830310202
更新日期:1989-06-01 00:00:00
abstract::Sixty-two previously untreated patients with B-cell chronic lymphocytic leukaemia were analysed to study the prognostic value of both the immunologic phenotype and the clinicobiologic characteristics. Univariate studies showed that none of the immunological markers analysed, sheep-rosette, mouse-rosette, slg, and HLA/...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830310105
更新日期:1989-05-01 00:00:00
abstract::Red cell ferritin was evaluated in 101 individuals with heterozygous beta-thalassemia to determine its clinical utility as an index for iron deficiency or overload in these subjects. The mean red cell ferritin for the total population was elevated threefold and showed a significant correlation with transferrin saturat...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830300403
更新日期:1989-04-01 00:00:00
abstract::The effect of the synthetic vasopressin derivative 1-desamino-8D-arginine vasopressin (DDAVP = desmopressin) on bleeding time was studied in three patients with Hermansky Pudlak syndrome. A good response was observed in this type of storage pool disease. DDAVP might be useful in managing the bleeding disorder found in...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830300307
更新日期:1989-03-01 00:00:00
abstract::The pharmacokinetics of factor VIII were studied in a series of 20 hemophilia-A patients undergoing surgery. Regardless of the type of operation, elimination of factor VIII was shown to be increased only in ten cases (50%) during the post-operative period. In this subgroup of patients, factor VIII half-life, measured ...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830300305
更新日期:1989-03-01 00:00:00
abstract::The content of peripheral blood B cells (B1+) was reduced in patients of multiple myeloma (MM) and not in those with benign monoclonal gammopathy (BMG) compared to normal donors (P less than 0.01). This observation correlated with the suppression of synthesis of normal immunoglobulin (Ig) in MM. Thus, cytokine activit...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830300208
更新日期:1989-02-01 00:00:00
abstract::We report a 45-year-old female patient with recurrent spontaneous deep vein thrombosis associated with an isolated hypoplasminogenemia (plasminogen activity and antigen level of 42% and 37%, respectively). The plasminogen molecule was normal as demonstrated by a normal activation by tissue plasminogen activator, elect...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830300107
更新日期:1989-01-01 00:00:00
abstract::A family is described in which venous thromboembolic disease is associated with reduced plasma protein C activity and normal levels of protein C antigen. Immunoelectrophoretic analysis of protein C antigen gave an abnormal pattern in all affected members, suggesting that the disorder is related to the presence of a st...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830290410
更新日期:1988-12-01 00:00:00
abstract::Leukemic cells of 43 patients with acute promyelocytic leukemia (M3) were investigated morphologically and cytochemically to determine the percentage of aberrant enzymes and whether or not the presence impacts on the clinical outcome. Twelve patients (27.9%) showed alpha-naphthyl acetate esterase (ANAE) activity in th...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830290306
更新日期:1988-11-01 00:00:00
abstract::A patient with congenital protein-C deficiency was treated with stanozolol for 8 weeks to increase circulating levels of protein C. A rise in protein C was achieved, accompanied by an increase in factor II, factor X, antithrombin III, and protein S; but at the 8th week the patient suffered a transient ischemia attack....
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830290211
更新日期:1988-10-01 00:00:00
abstract::We report here the haplotypes of 10 MstII-defined SS patients and a S/beta o thalassemia from the Central African Republic, exhibiting 7 different atypical haplotypes that are different from the typical Bantu haplotype that characterize over 93% of the beta s bearing chromosomes in that region of Africa. Of the seven ...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830290117
更新日期:1988-09-01 00:00:00
abstract::A 50-year-old woman with muscular fatigue and monoclonal gammopathy of unknown significance was shown to have high levels of antibodies against the acetylcholine receptor of the skeletal muscle endplate. The specific antibody activity was exclusively associated with the monoclonal component. There were no objective si...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830290112
更新日期:1988-09-01 00:00:00
abstract::To elucidate the precise mechanisms of molecular and cellular regulation of hemopoiesis, it is necessary to develop a chemically defined culture assay for purified hemopoietic progenitors. To approach this long-term goal, we attempted to develop a serum-free culture system for enriched human progenitors that permits e...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280404
更新日期:1988-08-01 00:00:00
abstract::Cerebrospinal fluid beta-2-microglobulin (CSF-beta 2m) was measured longitudinally in 48 patients affected by acute lymphoblastic leukemia (ALL). Thirteen developed a central nervous system (CNS) involvement during the course of the disease; although moderately higher mean CSF-beta 2m levels were found in these subjec...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280402
更新日期:1988-08-01 00:00:00
abstract::Levels of many coagulation factors are low in the healthy infant and even lower in the asphyxiated premature infant. We investigated whether a brief exposure to asphyxia at the time of birth causes the activation and consumption of coagulation factors. Following delivery by caesarean section, premature lambs were asph...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280317
更新日期:1988-07-01 00:00:00
abstract::Heparin-associated thrombocytopenia with thrombosis (HATT) is fatal in 29% and leads to limb amputation in another 21% of patients. Patients with arterial thrombosis do worse than do those with venous thrombosis alone. Heparin-associated thrombocytopenia is mediated through IgG or IgM immunoglobulin fractions and is b...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280318
更新日期:1988-07-01 00:00:00
abstract::Neonatal alloimmune thrombocytopenia is an uncommon but important cause of thrombocytopenia in infants. Because of the severity of the thrombocytopenia, some of these infants will have intracranial hemorrhage with resultant long-term disability. Obstetricians and neonatologists have recommended delivery by caesarean s...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280207
更新日期:1988-06-01 00:00:00
abstract::A patient with Philadelphia chromosome (Ph) chronic myelogenous leukemia (CML), in chronic phase, was treated with recombinant gamma-interferon (r gamma-IFN) in a phase I clinical trial. Prior to treatment, analysis of in vitro agar culture parameters indicated hyporesponsiveness of granulocyte-macrophage colony-formi...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280105
更新日期:1988-05-01 00:00:00
abstract::An elderly patient with evidence of atherosclerosis and uremic bleeding diathesis developed two foci of cerebral thrombosis immediately after an infusion of desmopressin (DDAVP). Because large molecular weight multimers of von Willebrand factor (vWF) have been demonstrated to cause platelet aggregation under condition...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830280115
更新日期:1988-05-01 00:00:00
abstract::We report on the association of Hb Dunn (alpha 6[A4]Asp----Asn) and Hb O-Arab (beta 121 [GH4]Glu----Lys) in a healthy Moroccan man. Hb Dunn had the same electrophoretic properties as Hb G-Philadelphia, but its percentage was lower. Its identification was based on sequence determination of the alpha T1 peptide. Bgl II ...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830270405
更新日期:1988-04-01 00:00:00
abstract::The levels of adenosine deaminase (ADA), purine nucleoside phosphorylase (PNP), lactic dehydrogenase (LDH), and LDH isoenzyme patterns (LD1 to LD5) have been measured in lymphocyte extract from 28 patients with B-chronic lymphocytic leukemia (B-CLL). The activities of ADA, PNP, and LDH have been correlated with two mo...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830270302
更新日期:1988-03-01 00:00:00
abstract::In order to assess the functional property of neonatal polymorphonuclear leukocytes (PMNs), we studied their chemoattractant-stimulated superoxide anion (O2-) production using a soluble chemotactic peptide N-formyl-methionyl-leucyl-phenylalanine (FMLP) as a PMN stimulus. O2- production by neonatal PMNs was increased: ...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830270304
更新日期:1988-03-01 00:00:00
abstract::Because of the T-cell abnormalities observed in Hodgkin's disease and the growing number of Hodgkin's disease cases observed in association with the acquired immunodeficiency syndrome (AIDS), concern has been expressed that a retrovirus may be the primary cause of Hodgkin's disease. We examined plasma specimens from 1...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830270104
更新日期:1988-01-01 00:00:00
abstract::To monitor successful engraftment after bone marrow transplantation, we performed Southern hybridization analysis or dot blot analysis of DNA in a set of sex-mismatched cases using a Y-chromosome-specific DNA probe (pHY10). This method was extremely sensitive and rapid for checking which cells contain the Y-chromosome...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830270108
更新日期:1988-01-01 00:00:00
abstract::Four factor XI (F XI)-deficient patients are described, all of whom formed circulating anticoagulants against F X1. In the three most severely affected patients (F XI 0%-6% activity), the anticoagulant appeared to have been stimulated by plasma infusion. However, in the milder case (25% F XI activity), no infusion had...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830260405
更新日期:1987-12-01 00:00:00
abstract::Neutrophils that bear receptors for the Fc portion of immunoglobulin G have been demonstrated to be more active in assays of adherence, aggregation, and chemotaxis compared to Fc receptor-negative cells. We examined the relationship of neutrophil Fc receptor activity and cell-cell adherence or aggregation induced by p...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830260303
更新日期:1987-11-01 00:00:00
abstract::The expression of mature B-cell markers and T markers was determined in lymphocytes isolated from the peripheral blood (PBL) of 20 healthy and 51 patients with non-Hodgkin malignant lymphoma (NHL). The disease was classified as newly diagnosed, in remission, or being treated with chemotherapy and of low-, intermediate...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830260203
更新日期:1987-10-01 00:00:00
abstract::We present a case of chronic tonsillitis in a patient with chronic lymphocytic leukemia. Despite empiric radiation and antibiotic therapy, the patient's sore throat and tonsillar enlargement persisted. Excisional biopsy of the involved tonsil revealed the presence of Cryptococcus neoformans. Blood cultures also yielde...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830250413
更新日期:1987-08-01 00:00:00
abstract::A 1750 base pair cDNA to human terminal deoxynucleotidyl transferase (TdT) has been cloned. This cDNA detects a dominant 2200 base pair messenger RNA species in normal and leukemic cells synthesizing the enzyme. A quantitative dot blot assay was utilized to survey a number of clinical samples from patients with TdT po...
journal_title:American journal of hematology
pub_type: 杂志文章
doi:10.1002/ajh.2830250305
更新日期:1987-07-01 00:00:00