Hematopoietic stem cells: self-renewal and expansion.

abstract：PURPOSE OF REVIEW:Infantile hemangioma is a common vascular tumor with a unique lifecycle: rapid growth in infancy, followed by a period of involution, leading to complete regression. This review summarizes recent studies of molecular mechanisms of hemangioma formation and places new findings and hypotheses in the cont...

journal_title：Current opinion in hematology

authors： Boye E,Olsen BR

更新日期：2009-05-01 00:00:00

abstract：PURPOSE OF REVIEW:The treatment of patients with refractory or relapsed acute myeloid leukemia remains challenging. Management of these patients must take into account patient and leukemia-related factors in order to organize a comprehensive approach to treatment. Many new therapies are under study. RECENT FINDINGS:Ne...

journal_title：Current opinion in hematology

authors： Litzow MR

更新日期：2007-03-01 00:00:00

abstract：PURPOSE OF REVIEW:Gfi-1, originally identified as a transcriptional repressor in lymphoid cells, is now recognized to have essential, independent functions in neutrophil maturation and hematopoietic stem cell biology. Here we review recent studies pertaining to Gfi-1 and its cell context specific functions in hematopoi...

journal_title：Current opinion in hematology

authors： Hock H,Orkin SH

更新日期：2006-01-01 00:00:00

abstract：:Hematopoietic stem cells, defined as cells with extensive self-renewal and pluripotent differentiation potential, represent a minor population of adult bone marrow (< 1 in 10(4) to 10(5) nucleated marrow cells). Recent advances in cell surface phenotype analysis and separation technology have permitted enrichment of h...

journal_title：Current opinion in hematology

authors： Moore MA,Shapiro F

更新日期：1994-05-01 00:00:00

abstract：:The risk of transmission of viruses and other pathogenic organisms by blood can be reduced but not eliminated through donor selection and screening methodologies. The safety of blood derivatives prepared from plasma pools from thousands of donors requires virus inactivation, without which transmission rates approach c...

journal_title：Current opinion in hematology

authors： Horowitz B,Ben-Hur E

更新日期：1995-11-01 00:00:00

abstract：PURPOSE OF REVIEW:Lymphocyte trafficking is regulated by adhesion molecules mediating the initial shear-resistant binding of circulating cells to target tissue endothelium (Step 1). This review focuses on the current and emerging perspectives of the biology of these 'homing receptors.' RECENT FINDINGS:The conventional...

journal_title：Current opinion in hematology

authors： Sackstein R

更新日期：2005-11-01 00:00:00

abstract：:Considerable data now support the hypothesis that platelets actively regulate the propagation of coagulation by (1) expressing specific, high-affinity receptors for coagulation proteases, zymogens, and cofactors; (2) protecting the bound coagulation enzymes from inactivation/inhibition; (3) restricting coagulant activ...

journal_title：Current opinion in hematology

authors： Bouchard BA,Tracy PB

更新日期：2001-09-01 00:00:00

abstract：:D-dimer, a breakdown product of cross-linked fibrin has been extensively evaluated as a diagnostic test for acute venous thromboembolism. Rapid, highly sensitive D-dimer assays are now available that are suitable for testing in the emergency setting. Preliminary studies suggest that when using a highly sensitive D-dim...

journal_title：Current opinion in hematology

authors： Anderson DR,Wells PS

更新日期：2000-09-01 00:00:00

abstract：PURPOSE OF REVIEW:The role of a patent foramen ovale (PFO) as a risk factor for ischemic stroke has been established in recent years. However, the best therapeutic option to prevent recurrent events is still controversial, with antithrombotic treatment or transcatheter PFO closure being favored by different clinicians....

journal_title：Current opinion in hematology

authors： Di Tullio MR,Homma S

更新日期：2009-09-01 00:00:00

abstract：:Hairy cell leukemia is an indolent, chronic B-cell lymphoproliferative disorder comprising approximately 2 to 3% of all adult leukemias in the United States. Hairy cells are clonal expansions of mature, activated B-cells. They co-express CD11c, CD19, CD20, CD22, CD25, and CD103. Hairy cells possess clonal immunoglobul...

journal_title：Current opinion in hematology

authors： Goodman GR,Bethel KJ,Saven A

更新日期：2003-07-01 00:00:00

abstract：PURPOSE OF REVIEW:The identification of regulatory T cells (Tregs) as regulators of immunological self-tolerance has stimulated tremendous interest in the field. Over the past 12 months, new studies have added greatly to our understanding of the role of Tregs in autoimmune disease, details of which are presented here. ...

journal_title：Current opinion in hematology

authors： Vila J,Isaacs JD,Anderson AE

更新日期：2009-07-01 00:00:00

abstract：:This article presents the most recent insights into the biology, prognostic significance, and therapeutic approaches to TEL/AML1-positive leukemia. The TEL/AML1 fusion gene, also known as ETV6 /CBFA2, is the most commonly occurring gene rearrangement in pediatric acute lymphoblastic leukemia (ALL). Considerable contro...

journal_title：Current opinion in hematology

authors： Loh ML,Rubnitz JE

更新日期：2002-07-01 00:00:00

abstract：:Human immunodeficiency virus infection causes multilineage hematopoietic defects. Defects in the production and function of CD4+ helper cells have been the focus of the majority of HIV research, but anemia, neutropenia, and thrombocytopenia are significant clinical problems as well. Bone marrow suppression is the dose...

journal_title：Current opinion in hematology

authors： Miles S

更新日期：1995-05-01 00:00:00

abstract：:Chronic myelogenous leukemia is a clonal hematopoietic malignancy characterized by a balanced translocation between chromosomes 9 and 22 that results in the generation of an abnormal bcr/abl fusion protein with increased tyrosine kinase activity. This abnormal fusion protein has transforming activity for hematopoietic...

journal_title：Current opinion in hematology

authors： Enright H,McGlave PB

更新日期：1995-07-01 00:00:00

abstract：:Platelet aggregation, a process mediated by GP IIb-IIIa, is responsible for the occlusive events in thrombosis: indeed, GP IIb-IIIa antagonists are effective in blocking arterial thrombosis. Recent studies have suggested that activated platelets and platelet thrombi can contribute significantly to the initiation and p...

journal_title：Current opinion in hematology

authors： Prasad KS,Andre P,Yan Y,Phillips DR

更新日期：2003-09-01 00:00:00

abstract：:Myeloablative therapy followed by autologous bone marrow or peripheral blood stem cell rescue is an alternative therapeutic option for patients who are not candidates for allogeneic transplantation due to the lack of an appropriate HLA-matched donor or to advanced age. It allows therapy to be administered that is of c...

journal_title：Current opinion in hematology

authors： Hammert LC,Ball ED

更新日期：1997-11-01 00:00:00

abstract：:Disorders of the erythrocyte membrane, such as hereditary spherocytosis, hereditary elliptocytosis, and hereditary pyropoikilocytosis, are characterized by heterogeneity in their clinical and laboratory manifestations. Recent work has shown that these disorders also exhibit marked genetic heterogeneity. Multiple genet...

journal_title：Current opinion in hematology

authors： Gallagher PG,Ferriera JD

更新日期：1997-03-01 00:00:00

abstract：PURPOSE OF REVIEW:Hematopoietic stem cells are functionally heterogeneous even when isolated as phenotypically homogenous populations. How this heterogeneity is generated is incompletely understood. Several models have been formulated to explain the generation of diversity. All of these assume the existence of a single...

journal_title：Current opinion in hematology

authors： Muller-Sieburg CE,Sieburg HB

更新日期：2006-07-01 00:00:00

abstract：:The advent of safe and practical means to correct, enhance or protect blood cells at the genetic level offers tantalizing therapeutic perspectives. At present, gene delivery using a replication-defective retrovirus is the most efficient method to stably transduce hematopoietic cells. The successful adaptation of retro...

journal_title：Current opinion in hematology

authors： Sadelain M,Frassoni F,Rivière I

更新日期：2000-11-01 00:00:00

abstract：:Allogeneic barriers to transfusion are caused by differences between those portions of the donor and recipient genomes that define the antigenicity and immune response to the transfused cells. Historically, a blood group antigen was identified when an immune response (alloantibody) was detected by hemagglutination in ...

journal_title：Current opinion in hematology

authors： Reid ME,Lomas-Francis C

更新日期：2002-03-01 00:00:00

abstract：PURPOSE OF REVIEW:The discovery of JAK2V617F and other JAK-STAT-activating mutations in BCR-ABL1-negative myeloproliferative neoplasms (MPN) has led to the development of small-molecule ATP-mimetics that inhibit wild-type and mutant JAK. Here, we review the current experience with JAK inhibitors used for the treatment ...

journal_title：Current opinion in hematology

authors： Pardanani A,Tefferi A

更新日期：2011-03-01 00:00:00

abstract：PURPOSE OF REVIEW:Cellular to animal to human studies are shedding light on metabolic pathways that contribute to sustaining lymphomagenesis. Old players with new metabolic tricks and new metabolic players come into the scene. The purpose of this review is to discuss the recent advances made in the field of lymphoma me...

journal_title：Current opinion in hematology

authors： Calvo-Vidal MN,Cerchietti L

更新日期：2013-07-01 00:00:00

abstract：PURPOSE OF REVIEW:Obesity has become a worldwide epidemic that is driving increased morbidity and mortality from thrombotic disorders such as myocardial infarction, stroke, and venous thromboembolism. Effective prevention and treatment of thrombosis in obese patients is limited by an incomplete understanding of the und...

journal_title：Current opinion in hematology

authors： Blokhin IO,Lentz SR

更新日期：2013-09-01 00:00:00

abstract：PURPOSE OF REVIEW:Core binding factor acute myeloid leukemia (CBF-AML) corresponds to two distinct subtypes of AML characterized by recurrent favorable chromosome translocations, namely t(8;21) and inv(16)/t(16;16). Given the relatively good outcome of patients with CBF-AML, when treated with intensive chemotherapy inc...

journal_title：Current opinion in hematology

authors： Dombret H,Preudhomme C,Boissel N

更新日期：2009-03-01 00:00:00

abstract：:Following on the heels of multiple failed clinical trials of adjunctive therapeutic agents in sepsis, the positive outcome of a recent phase III study using activated protein C (APC) has led to a renewed optimism in targeted biotherapies for this syndrome. A growing body of data (both preclinical and clinical) suggest...

journal_title：Current opinion in hematology

authors： Key NS,Ely EW

更新日期：2002-09-01 00:00:00

abstract：PURPOSE OF REVIEW:Bone marrow transplantation is the only curative treatment for severe thalassemia. Since its successful first report in 1981, more than 4000 patients with this disease worldwide underwent bone marrow transplantation. The purpose of this review is to update the most recent reports of matched sibling do...

journal_title：Current opinion in hematology

authors： Issaragrisil S,Kunacheewa C

更新日期：2016-11-01 00:00:00

abstract：PURPOSE OF REVIEW:Glycogen storage disease Ib (GSD Ib) is characterized by hepatomegaly, hypoglycemia, neutropenia, enterocolitis and recurrent bacterial infections. It is attributable to mutations in G6PT1, the gene for the glucose-6-phosphate transporter responsible for transport of glucose into the endoplasmic retic...

journal_title：Current opinion in hematology

authors： Dale DC,Bolyard AA,Marrero T,Kelley ML,Makaryan V,Tran E,Leung J,Boxer LA,Kishnani PS,Austin S,Wanner C,Ferrecchia IA,Khalaf D,Maze D,Kurtzberg J,Zeidler C,Welte K,Weinstein DA

更新日期：2019-01-01 00:00:00

abstract：:Each year, approximately one in 1000 individuals suffers from venous thromboembolism. The pathogenesis of the disease is multifactorial and a thrombotic event is the result of a combination of genetic and circumstantial risk factors. Until recently, genetic defects could only be identified in a minority of thrombosis ...

journal_title：Current opinion in hematology

authors： Zöller B,Dahlbäck B

更新日期：1995-09-01 00:00:00

abstract：PURPOSE OF REVIEW:The 'mobilization' of hematopoietic stem cells (HSCs) out of the bone marrow and into the peripheral blood is used clinically to obtain HSCs for transplantation. Although generally successful, mobilization protocols remain imperfect and the mechanisms involved are not fully understood. This review dis...

journal_title：Current opinion in hematology

authors： Bendall LJ,Basnett J

更新日期：2013-07-01 00:00:00

abstract：PURPOSE OF REVIEW:To highlight mechanisms that regulate the balance between latent and active von Willebrand factor (VWF), and describe pathological conditions leading to increased levels of active VWF. RECENT FINDINGS:Levels of circulating active VWF are increased in von Willebrand disease type 2B, HELLP syndrome, ma...

journal_title：Current opinion in hematology

authors： Groot E,de Groot PG,Fijnheer R,Lenting PJ

更新日期：2007-05-01 00:00:00