Abstract:
PURPOSE OF REVIEW:Hematopoietic stem cell (HSC) transplantation is the most powerful treatment modality for a variety of hematological disorders. Successful hematopoietic recovery after transplantation depends on optimal homing of HSCs to the bone marrow and subsequent lodging in the HSC niche. The molecular mechanisms underlying bone marrow homing are, thus far, incompletely understood. This review focuses on recent studies that extended our understanding of how the phosphatidylinositol-3-kinase (PI3K)/protein kinase B (PKB/c-akt) signaling module can regulate migration and homing of HSCs. RECENT FINDINGS:In addition to regulation of HSC maintenance and lineage development, it has recently become apparent that the PI3K/PKB signaling module plays a critical role in regulation of migration and adhesion of hematopoietic stem and progenitor cells. Activation of this signaling pathway enhances firm adhesion, reduces migration and inhibits bone marrow homing, whereas inhibition of PKB conversely induces bone marrow homing. SUMMARY:These findings clearly implicate the PI3K/PKB signaling module in playing a critical role in regulation of bone marrow homing, suggesting that pharmacological modulation of this signaling molecule prior to transplantation may provide a clinical means of improving engraftment levels and accelerating hematopoietic recovery.
journal_name
Curr Opin Hematoljournal_title
Current opinion in hematologyauthors
Buitenhuis Mdoi
10.1097/MOH.0b013e32834760e5subject
Has Abstractpub_date
2011-07-01 00:00:00pages
226-30issue
4eissn
1065-6251issn
1531-7048journal_volume
18pub_type
杂志文章,评审abstract:PURPOSE OF REVIEW:A major goal in repopulating hematopoietic stem cell (HSC) gene therapies is achieving high-efficacy gene transfer, while maintaining robust HSC engraftment and differentiation in vivo. Recent studies have documented that rapamycin treatment of HSC during lentiviral vector transduction enhances gene t...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0000000000000150
更新日期:2015-07-01 00:00:00
abstract:PURPOSE OF REVIEW:Chronic idiopathic and severe congenital neutropenias are rare disorders for which recent discoveries have highlighted mechanisms and consequences. RECENT FINDINGS:An inflammatory bone marrow milieu has been shown to be a major contributor to the pathophysiology of chronic idiopathic neutropenia. Act...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3282f172d3
更新日期:2008-01-01 00:00:00
abstract::FLT3 is the most frequently mutated gene in cases of acute myelogenous leukemia (AML). About 30 to 35% of patients have either internal tandem duplications (ITDs) in the juxtamembrane domain or mutations in the activating loop of FLT3. FLT3 mutations occur in a broad spectrum of FAB subtypes in adult and pediatric AML...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-200207000-00003
更新日期:2002-07-01 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
pub_type: 杂志文章,评审
doi:10.1097/MOH.0000000000000286
更新日期:2016-11-01 00:00:00
abstract:PURPOSE OF REVIEW:To discuss how mechanical cues and Rho signaling contribute to control of vascular development and hematopoiesis. RECENT FINDINGS:Rho guanine trinucleotide phosphatases are ubiquitious regulators of cytoskeletal structure and tension generation. Recent work shows that Rho-dependent mechanical interac...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3282fa7445
更新日期:2008-05-01 00:00:00
abstract:PURPOSE OF REVIEW:This review summarizes recent advances in the application of minimal residual disease (MRD) testing in childhood acute lymphoblastic leukemia (ALL). RECENT FINDINGS:Polymerase chain reaction amplification of antigen receptor genes, one of the two main methods to study MRD in ALL, could be made more r...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3283543d5c
更新日期:2012-07-01 00:00:00
abstract:PURPOSE OF REVIEW:Vasculogenesis and hematopoiesis are essential for development. Recently, the ETS domain transcription factor Etv2 has been identified as an essential regulator of vasculogenesis and hematopoiesis. Here, we review the recent studies that have established the critical role of Etv2 in the specification ...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3283523e07
更新日期:2012-05-01 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
pub_type: 杂志文章,评审
doi:10.1097/00062752-200309000-00006
更新日期:2003-09-01 00:00:00
abstract::Commitment of hematopoietic cells to the erythroid lineage involves the actions of several transcription factors, including TAL1, LMO2, and GATA-2. The differentiation of committed erythroid progenitor cells involves other transcription factors, including NF-E2 and EKLF. Upon binding erythropoietin, the principal regu...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-200203000-00002
更新日期:2002-03-01 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
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3283257b18
更新日期:2009-03-01 00:00:00
abstract:PURPOSE OF REVIEW:Deficiency of antithrombin, protein C, and protein S increases the risk of a first venous thromboembolism (VTE) by at least 10-fold and is rare (i.e., <0.5% of population), whereas factor V Leiden and the prothrombin G20210A gene increase this risk by 2-5-fold and are common (2-5% of whites). Antiphos...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e328356745b
更新日期:2012-09-01 00:00:00
abstract:PURPOSE OF REVIEW:In this article, we summarize the recent advances in treating primary immune deficiency (PID) disorders by stem cell transplantation (SCT); we have focused on articles published in the past 2 years since the last major review of SCT for PID. RECENT FINDINGS:Analyses of the outcomes of SCT for PID by ...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e328365a13b
更新日期:2013-11-01 00:00:00
abstract::Platelet production is primarily regulated by the thrombopoietic cytokine thrombopoietin (TPO). In most cases thrombopoietin serum levels are determined by the rate of c-mpl receptor-mediated degradation after TPO uptake into platelets and megakaryocytes. The contribution of increased TPO protein synthesis by a transl...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-200005000-00003
更新日期:2000-05-01 00:00:00
abstract:PURPOSE OF REVIEW:In this review, we focus on three specific concepts related to platelet transfusion in the neonatal and pediatric population: choice of transfusion threshold; use of ABO-mismatched platelets; transfusion of pathogen-reduced or inactivated platelets. RECENT FINDINGS:Recent trials support the use of lo...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0000000000000542
更新日期:2019-11-01 00:00:00
abstract:PURPOSE OF REVIEW:The peptide hormone hepcidin regulates iron metabolism in response to erythropoietic demand, iron stores and inflammation. Major advances have been made in understanding the regulation of hepcidin production, and consequently the availability of iron for erythropoiesis. RECENT FINDINGS:It is becoming...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3282f73335
更新日期:2008-05-01 00:00:00
abstract::In 1994 four biotechnology research groups reported the isolation and cloning of the ligand for the cytokine receptor c-Mpl and showed it to be the long-sought regulator of platelet production, thrombopoietin. Thrombopoietin is a hematopoietic growth factor of 332 amino acids composed of an amino terminal domain homol...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-199502030-00002
更新日期:1995-05-01 00:00:00
abstract::Anemia is a common disorder in patients with cancer and can be caused by the disease itself or by cancer-related therapy. The cardinal symptom of anemia, fatigue, is the most commonly reported symptom in patients with cancer and has profound effects on patient well-being and quality of life. Until recently, blood tran...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-200205000-00010
更新日期:2002-05-01 00:00:00
abstract::Fibrinogen abnormalities can be classified as congenital or acquired. Each class manifests quantitative or qualitative alterations; the latter are known as dysfibrinogenemias. In dysfibrinogenemias, structural defects cause alterations in the conversion of fibrinogen to fibrin. Approximately 300 abnormal fibrinogens h...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-199704050-00010
更新日期:1997-09-01 00:00:00
abstract:PURPOSE OF REVIEW:Inconsistent results regarding the clinical efficacy of granulocyte transfusions for the treatment or prophylaxis of life-threatening infections in neutropenic patients have been attributed to insufficient number of transfused neutrophils. Since the introduction of granulocyte colony-stimulating facto...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0000000000000203
更新日期:2016-01-01 00:00:00
abstract:PURPOSE OF REVIEW:The presence of the Philadelphia chromosome causing the fusion between BCR to ABL1 in B cell precursor acute lymphoblastic leukemias (ALLs) was associated with a particularly bad prognosis, which has been markedly improved with the addition of imatinib to chemotherapy. Recent genomic studies have lead...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0000000000000050
更新日期:2014-07-01 00:00:00
abstract:PURPOSE OF REVIEW:Early T-cell precursor (ETP) leukaemias have been recently recognized as a form of T-cell acute lymphoblastic leukaemia (T-ALL) with a poor prognosis. The purpose of this review is to outline the most recent advances in the biology, genetics and prognostic significance of this aggressive disease. REC...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3283623c61
更新日期:2013-07-01 00:00:00
abstract::Coagulation preserves the homeostasis of internal body fluids against life-threatening blood losses. Although generally viewed as a regulated enzymatic cascade, this mechanism depends on the participation of vascular cells. Leukocytes, in particular, have evolved a formidable machinery to initiate and amplify blood cl...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-199502010-00006
更新日期:1995-01-01 00:00:00
abstract::The bulk of antigens that are presented by major histocompatibility complex (MHC) class I molecules are processed in the cytosol. Therefore, the cellular protein degradation machinery is thought to play a major role in antigen processing. For example, there is clear evidence that the ubiquitin-proteasome pathway, the ...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-200101000-00003
更新日期:2001-01-01 00:00:00
abstract:PURPOSE OF REVIEW:This article reviews recent publications that bear on the evidential basis for therapeutic apheresis in diseases in which hemolytic anemia is a prominent feature. RECENT FINDINGS:Therapeutic plasma exchange continues to be reported sporadically in severe autoimmune hemolytic anemia, with inconsistent...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3282c8ca66
更新日期:2007-11-01 00:00:00
abstract:PURPOSE OF REVIEW:To outline the rationale, limitations, and execution of bloodless medical and surgical programs, highlighting characteristics that contribute to successful outcomes. RECENT FINDINGS:Clinical experiences with patients who refuse blood transfusions for religious reasons have provided valuable lessons a...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/01.moh.0000245692.32085.bd
更新日期:2006-11-01 00:00:00
abstract::Bone marrow transplantation protocols for inherited metabolic storage diseases are unique for each disorder treated. Differences depend also upon how old the patient was when onset occurred and rate of progression of disease. Treatment is directed to prevent or ameliorate the inexorable neurological deterioration that...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-199911000-00004
更新日期:1999-11-01 00:00:00
abstract:PURPOSE OF REVIEW:In addition to its essential role in baseline erythropoiesis, the hormone erythropoietin drives the erythropoietic response to hypoxic stress. A mechanistic understanding of stress erythropoiesis would benefit multiple clinical settings, and may aid in understanding leukemogenesis. RECENT FINDINGS:Th...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0b013e3280de2bf1
更新日期:2007-05-01 00:00:00
abstract:PURPOSE OF REVIEW:Endothelial cells dysfunctions are crucial determinants of several human diseases. We review here the most recent reports on endothelial cell defects in cerebral cavernous malformations (CCMs), particularly focusing on adherens junctions. CCM is a vascular disease that affects specifically the venous ...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/MOH.0000000000000338
更新日期:2017-05-01 00:00:00
abstract:PURPOSE OF REVIEW:This review focuses on adaptive bacterial interactions with neutrophils, emphasizing information communicated within the past year about bacterial factors that respond to contact with or phagocytosis by PMN. RECENT FINDINGS:Since the discovery of type III and IV secretion, progress in the analysis of...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-200401000-00002
更新日期:2004-01-01 00:00:00
abstract::The aim of gene therapy for hemophilia is the stable introduction and expression of a gene encoding functional blood coagulation factor VIII or IX. Although there are as yet no published studies demonstrating long-term expression of therapeutic levels in large animal models of the disease, there have been several repo...
journal_title:Current opinion in hematology
pub_type: 杂志文章,评审
doi:10.1097/00062752-199809000-00003
更新日期:1998-09-01 00:00:00