Abstract:
:We review here the functional and kinetic characteristics of highly purified hematopoietic CD34+ mobilized into peripheral blood (PB) by granulocyte colony-stimulating factor (G-CSF) with or without chemotherapy for autologous or allogeneic transplantation. Circulating CD34+ cells were evaluated for their colony-forming capacity and trilineage proliferative response to selected recombinant human (rh) CSF in vitro, and the content of very primitive long-term culture initiating cells (LTC-IC). In addition, the cycling status of PB CD34+ cells, including committed clonogenic progenitor cells and the more immature LTC-IC, was determined by the cytosine arabinoside (Ara-C) suicide test and the acridine orange (AO) flow cytometric technique. By comparison, bone marrow (BM) CD34+ cells from the same individuals were studied under steady-state conditions and during G-CSF administration. Clonogenic assays in methylcellulose showed the same frequency of colony-forming unit cells (CFU-C) when PB primed-CD34+ cells and BM cells were stimulated with phytohemagglutinin-lymphocyte-conditioned medium (PHA-LCM). However, mobilized CD34+ cells were significantly more responsive than their steady-state BM counterparts to interleukin-3 (IL-3) and stem cell factor (SCF) combined with G-CSF or IL-3 in the presence of erythropoietin (Epo). Conversely, circulating and BM megakaryocyte precursors (CFU-MK) showed the same clonogenic efficiency in response to IL-3, GM-CSF and IL-3, IL-6 and Epo. Interestingly, very few CD34+ cells expressed the Mpl receptor and this finding resulted in the lower proliferative response of mobilized CFU-MK to the Mpl-ligand (megakaryocyte growth and development factor; MGDF), as compared to BM cells. After 5 weeks of liquid culture supported by the engineered murine stromal cell line M2-10B4 to produce G-CSF and IL-3, we reported a similar frequency of LTC-IC in PB and steady-state BM. Kinetic studies on PB and BM CD34+ cells, including LTC-IC, showed the low number of circulating progenitor cells in S and G2M phase whereas simultaneous DNA/RNA analysis and the Ara-C suicide assay demonstrated that the majority of PB CD34+ cells and LTC-IC are not quiescent (ie in G0 phase) being in G1 phase. Moreover, G-CSF administration prevented apoptosis in a small but significant proportion of mobilized CD34+ cells. Thus, our results indicate that mobilized and BM CD34+ cells can be considered equivalent for the frequency of both committed and more immature hematopoietic progenitor cells, although they show different kinetic and functional profiles. A further set of experiments indicated that G-CSF treatment did not alter the alloantigen presenting function of CD34+ cells which was mainly mediated by the upregulation of costimulatory molecules upon coincubation with allogeneic T cells. Taken together, these findings should allow a better understanding of PBSC transplantation.
journal_name
Bone Marrow Transplantjournal_title
Bone marrow transplantationauthors
Lemoli RM,Tafuri A,Fortuna A,Catani L,Rondelli D,Ratta M,Tura Ssubject
Has Abstractpub_date
1998-12-01 00:00:00pages
S47-50eissn
0268-3369issn
1476-5365journal_volume
22 Suppl 5pub_type
杂志文章abstract::This study evaluated delivery of involved field radiotherapy (IFRT) with transplantation for lymphomas timed to minimise toxicity. Patients transplanted for lymphoma had infradiaphragmatic disease irradiated pre-transplant and supradiaphragmatic disease post transplant. A total of 31 patients were studied, with a medi...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1038/sj.bmt.1704759
更新日期:2005-02-01 00:00:00
abstract::The diagnosis and grading of acute graft-versus-host disease (AGVHD) is based on a spectrum of clinical and laboratory features. To evaluate the reliability of current diagnostic and scoring criteria, six clinical vignettes were evaluated by 49 transplant physicians from 42 bone marrow transplant center worldwide. Res...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1988-01-01 00:00:00
abstract::Overexpression of microRNA-99a (miR-99a) have been associated with adverse prognosis in acute myeloid leukemia (AML). Nevertheless, whether it also predicts poor outcome in post-allogeneic hematopoietic stem cell transplantation (allo-HSCT) AML patients remains unclear. To further elucidate the prognostic value of miR...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/s41409-018-0146-0
更新日期:2018-09-01 00:00:00
abstract::Chronic parvovirus B19 infection in the immunocompromised host may cause severe anaemia secondary to failure of erythropoiesis. This has been previously documented in patients with the Acquired Immune Deficiency Syndrome (AIDS), congenital immunodeficiencies and in children with acute lymphoblastic leukaemia during ma...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1995-11-01 00:00:00
abstract::Retrospective analysis of 206 patients undergoing 215 consecutive bone marrow transplants (BMT) at St Jude Children's Research Hospital between November 1990 and December 1994 identified 6% (seven male, six female) with adenovirus infection. The affected patients had a median age of 7.9 years (range 3-24 years) at tim...
journal_title:Bone marrow transplantation
pub_type: 杂志文章,评审
doi:10.1038/sj.bmt.1701563
更新日期:1999-02-01 00:00:00
abstract::We studied the effects of human urinary macrophage colony-stimulating factor (huM-CSF) on the mobilization of peripheral blood stem cells (PBSC) following cytotoxic chemotherapy in 6 patients with acute leukemia. After complete remission (CR) was achieved, two courses of consolidation chemotherapy consisting of an int...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1994-02-01 00:00:00
abstract::An unblinded, historical controlled study of 49 bone marrow transplant (BMT) patients was carried out in our institution to assess the effect of oral pentoxifylline (PTX) on BMT regimen related toxicity (RRT). Twenty-eight consecutively treated BMT patients (17 allogeneic, 11 autologous) were entered into the PTX trea...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章,随机对照试验
doi:
更新日期:1994-02-01 00:00:00
abstract::We report a patient with CML who developed a reversible dilated cardiomyopathy with cardiac failure following 10 months of IFN therapy. Despite the previous cardiomyopathy, he tolerated subsequent allogeneic BMT without any adverse cardiac events. Reversible IFN-induced cardiomyopathy should not be considered a contra...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/sj.bmt.1701188
更新日期:1998-04-01 00:00:00
abstract::Despite its potential to cause myocardial damage, high-dose CY in doses up to 200 mg/kg is an integral part of preparative regimens for BMT. Conventional tests, such as an electrocardiogram or echocardiogram, have lacked sensitivity in prediction of cardiotoxicity in this patient population. We prospectively compared ...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1993-08-01 00:00:00
abstract::Allogeneic hematopoietic stem cell transplantation (alloHSCT) has become a well-established treatment option for many patients suffering from malignant and non-malignant diseases. In the past decade, high-resolution HLA-typing, remission surveillance, pre-emptive immune intervention, and standardisation in supportive ...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章
doi:10.1038/s41409-018-0341-z
更新日期:2019-05-01 00:00:00
abstract::To get an insight into the degree of major histocompatibility mismatches in donor/recipient (D/R) combinations who were 'ABDR-matched' by serology for class I and by oligotyping for DR1-14 (low resolution typing), we performed additional HLA testing using a combination of molecular, biochemical and cellular techniques...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1995-11-01 00:00:00
abstract::The underlying plasma cell clones in multiple myeloma (MM) and Ig light-chain amyloidosis (AL) appear to be different not only in terms of 'tumor burden' but also in terms of their underlying biology. High-dose chemotherapy with auto-SCT is one method of reducing the clone size and thereby improving OS. Post-auto-SCT ...
journal_title:Bone marrow transplantation
pub_type: 杂志文章,评审
doi:10.1038/bmt.2013.53
更新日期:2013-10-01 00:00:00
abstract::Successful allogeneic hematopoietic transplants require conditioning regimens with sufficient immunosuppression to allow acceptance of the allograft. Cyclophosphamide, in combination either with TBI or with chemotherapeutic drugs, is the keystone of commonly used regimens. The toxicities of TBI and tumor resistance to...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/sj.bmt.1700905
更新日期:1997-09-01 00:00:00
abstract::The origin of cells in almost all allogeneic donor-recipient pairs can be determined through the use of highly polymorphic minisatellite DNA probes. Single-locus probes were cloned from hypervariable fragments in a human DNA fingerprint detected with a multi-locus probe. While each probe is highly polymorphic and locu...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1993-09-01 00:00:00
abstract::Progressive multifocal leukoencephalopathy (PML) is a rare subacute demyelinating disorder of the central nervous system (CNS) caused by the DNA JC human polyomavirus. In immunocompromised hosts, PML is caused by reactivation of a latent infection rather than de novo primary exposure. PML in the setting of hematopoiet...
journal_title:Bone marrow transplantation
pub_type: 杂志文章,评审
doi:10.1038/sj.bmt.1705548
更新日期:2007-01-01 00:00:00
abstract::The role of various cell subpopulations involved in the graft-versus-leukemia (GVL) effect induced by allogeneic bone marrow transplantation (BMT) was investigated in (BALB/c x C57BL/6)F1 (F1) recipients, inoculated with murine B cell leukemia (BCL1), by using monoclonal murine anti-IL-2 receptor antibodies or rabbit ...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1995-09-01 00:00:00
abstract::The transfer of cytotoxic effector cells reduces the risk of relapse after allogeneic BMT. Two murine leukemia cell lines, A20 (B lymphocytic) and WEHI-3 (myelomonocytic), were used to investigate antileukemic effector mechanisms operating independently from graft-versus-host disease (GVHD). Different results were obt...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1993-01-01 00:00:00
abstract:SUMMARY:Hematopoietic chimerism (HpC) was assayed monthly using a sensitive, polymerase chain reaction (PCR) -based method in consecutive patients. Between January 1998 and April 2002, 181 patients underwent non-T cell depleted allogeneic hematopoietic cell transplantation (HCT). A total of 163 patients were evaluable ...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/sj.bmt.1704147
更新日期:2003-08-01 00:00:00
abstract::Reduced-intensity conditioning (RIC) hematopoietic SCT (HSCT) is a potentially curative therapeutic option for patients with advanced follicular lymphoma (FL), but disease relapse remains the most common cause of failure. Radioimmunoconjugates administered before RIC allo-HSCT may enhance cytoreduction and allow more ...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章
doi:10.1038/bmt.2010.339
更新日期:2011-12-01 00:00:00
abstract::We evaluated the utility of plasma polymerase chain reaction (PCR) for surveillance of human herpes virus 6 (HHV-6) infection among pediatric bone marrow transplant (BMT) recipients. We used a prospective, non-interventional design involving a study group and controls. BMT recipients and healthy controls were evaluate...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/sj.bmt.1703153
更新日期:2001-09-01 00:00:00
abstract::Pretransplant influenza vaccination of the donor or allogeneic hematopoietic SCT (HSCT) candidate was evaluated in a randomized study. One hundred and twenty-two HSCT recipients and their donors were assigned to three randomization groups: no pretransplant vaccination (n=38), donor pretransplant vaccination (n=44) or ...
journal_title:Bone marrow transplantation
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1038/bmt.2015.47
更新日期:2015-06-01 00:00:00
abstract::Quality of life (QOL) is increasingly recognized as an important clinical outcome of hematopoietic cell transplantation (HCT), but patient education is often overlooked. The aim of the current qualitative study was to examine education regarding post-HCT QOL from the patient's perspective. Allogeneic HCT recipients pa...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/bmt.2013.158
更新日期:2014-02-01 00:00:00
abstract::CD34+ cells were purified in bulk from apheresis-collected cells of children with cancer using monoclonal antibody (MoAb) and magnetic beads (Baxter ISOLEX system). To improve the purity of the final product for possibly better tumor cell purging and to make the manufacturer's original procedure more cost-effective, w...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章
doi:10.1038/sj.bmt.1701479
更新日期:1998-11-01 00:00:00
abstract::We conducted an open label, randomised clinical trial to compare amphotericin B colloidal dispersion (ABCD, Amphocil) 2 mg/kg/day intravenously with fluconazole 200 mg/day orally, for the prevention of fungal disease in neutropenic patients with haematological malignancies. In the event of unresolved fever after 4 day...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1038/sj.bmt.1702243
更新日期:2000-04-01 00:00:00
abstract::We retrospectively compared the incidence of acute graft-versus-host disease (GVHD) before and after September 1999, when we changed the mode of cyclosporine A (CsA) administration from twice-daily infusions (TD) (n=58) to continuous infusion (CIF) (n=71). The incidence of grade II-IV acute GVHD in the CIF group (56%)...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/sj.bmt.1704374
更新日期:2004-03-01 00:00:00
abstract::Several high-dose therapy regimens are used for autologous hematopoietic stem cell transplantation (auto-HSCT) for relapsed and refractory Hodgkin's lymphoma (HL) with variable disease response. An intensified regimen of etoposide (VP-16) 2,400 mg/m(2), cyclophosphamide 7,200 mg/m(2) and carmustine (BCNU) 600 mg/m(2) ...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章
doi:10.1038/sj.bmt.1705951
更新日期:2008-04-01 00:00:00
abstract::A double-blind, placebo-controlled study was conducted to evaluate the effect of orally administered pilocarpine on unstimulated whole-saliva flow and composition in 28 patients with chronic graft-versus-host disease (cGVHD). Thirteen patients were treated with pilocarpine of 20 mg/day orally for 7 days, and 15 patien...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:10.1038/sj.bmt.1705621
更新日期:2007-04-01 00:00:00
abstract::Patients with primary metastatic or recurrent rhabdomyosarcoma (RMS) have a very poor prognosis. Since high-dose chemotherapy (HDC) +/- TBI was thought to improve survival, many centers performed this therapy using different types of hematopoietic rescue (auto BM or PBSC, allo BM). This is a retrospective, multi-cente...
journal_title:Bone marrow transplantation
pub_type: 杂志文章,多中心研究
doi:10.1038/sj.bmt.1700628
更新日期:1997-02-01 00:00:00
abstract::Persistent thrombocytopenia and thrombotic complications are commonly observed in bone marrow transplant (BMT) patients. We describe two incidents following BMT in which heparin may have played a contributory role. One patient developed subclavian venous thrombosis following autologous BMT in spite of the severe throm...
journal_title:Bone marrow transplantation
pub_type: 杂志文章
doi:
更新日期:1994-09-01 00:00:00
abstract::Hepatic acute GvHD (aGvHD) is associated with high mortality owing to poor response to immunosuppressive therapy. The pathogenesis of hepatic aGvHD differs from that of other lesions, and specific risk factors related to pre-transplant liver conditions should be determined. We conducted a cohort study by using a Japan...
journal_title:Bone marrow transplantation
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1038/bmt.2015.205
更新日期:2016-01-01 00:00:00