Abstract:
:Podocalyxin-like protein (PCLP) is a sialomucin-type membrane protein structurally related to CD34 and endoglycan. It was first described in glomerular podocytes and endothelial cells. In mice, PCLP is present in haemangioblasts, and in both chicken and mice it is a marker of early haematopoietic stem cells and lineage-restricted haematopoietic progenitors. Its expression decreases during differentiation of haematopoietic cells. Of mature blood cells, only chicken and rat thrombocytes express PCLP protein. PCLP expression in human haematopoietic cells has not been studied. Here we demonstrate PCLP mRNA in human CD34+ cells, in lineage committed erythroid, megakaryocyte and myeloid progenitors, in K562 leukaemia cells, and in peripheral blood leucocytes. The mRNA expression level was higher in developing cells than in mature leucocytes. By Northern blotting and cDNA sequencing, the haematopoietic and renal PCLP mRNAs were identical. Of the mobilized CD34+ cells, 28% (mean; range 14-61%) expressed PCLP protein and the majority of PCLP+ cells were CD117+. Almost all of the K562 cells expressed PCLP protein. Surprisingly, PCLP protein was not detected in any mature blood cells. These results suggest that human PCLP may be a valuable marker for a subset of haematopoietic stem cells.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Kerosuo L,Juvonen E,Alitalo R,Gylling M,Kerjaschki D,Miettinen Adoi
10.1111/j.1365-2141.2004.04840.xsubject
Has Abstractpub_date
2004-03-01 00:00:00pages
809-18issue
6eissn
0007-1048issn
1365-2141pii
4840journal_volume
124pub_type
杂志文章abstract::We report a patient who was treated with recombinant (r)-hirudin for heparin-induced thrombocytopenia and developed a flush reaction twice upon re-exposure to 25 mg of subcutaneous r-hirudin. Antihirudin IgG antibodies developed. The patient received 50 mg of PEG-hirudin subcutaneously over 2 days. No side-effects occ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2000.01837.x
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abstract::The in vitro effects of a range of concentrations of cyclophosphamide, doxorubicin, actinomycin D, cytarabine and methotrexate on neutrophil phagocytosis of C. albicans was studied. The reduction in phagocytic index (PI) was inversely proportional to the dilution of the drug and there was some inhibition of phagocytos...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1976.tb01871.x
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abstract::Primary infection with Epstein-Barr virus (EBV) in childhood is usually asymptomatic, whereas infection in adolescence may result in infectious mononucleosis (IM) often followed by a fatigue syndrome. EBV latent membrane protein 1 (LMP1) is expressed in latency and in many EBV-associated tumours, including non-Hodgkin...
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1992.tb06432.x
更新日期:1992-10-01 00:00:00
abstract::We describe a case of congenital dyserythropoietic anaemia (CDA) presenting at week 20 of pregnancy with hydrops fetalis and very severe anaemia. Fetal blood examination showed marked erythroblastosis with morphologic alterations while the basic haematological and biochemical tests were in the normal range. The fetus ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1997.d01-2062.x
更新日期:1997-03-01 00:00:00
abstract::The BRAF V600E mutation has recently been described in all cases of hairy cell leukaemia (HCL). We have developed and validated a rapid and sensitive high-resolution melting analysis (HRMA) assay that detects BRAF exon 15 mutations when hairy cells are as low as 5-10% in a sample. All 48 HCL patients were positive for...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1998.01083.x
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章,评审
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abstract::In this paper we describe the placental transport of [3H]vitamin K1 in pregnant rats during the first 24 h after the oral administration of the vitamin. Vitamin K1 in the fetal livers ranged from 0.13% (3 h) to 2% (24 h) of the values found in the corresponding maternal livers. In spite of the low placental transfer o...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1993.tb03220.x
更新日期:1993-12-01 00:00:00
abstract::Increased haemoglobin (Hb) A2 levels associated with reduced mean corpuscular volume (MCV) and Hb content per cell (MCH) are the most typical features of heterozygous beta thalassaemia. However, double heterozygotes for alpha and beta thalassaemia may have normal MCV and MCH but Hb A2 always in the carrier range. In t...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1993.tb03042.x
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abstract::The 'high and low responder phenomenon' of monocyte tissue factor (MTF) activity has been attributed to effects on monocytes by granulocytes, platelets and lipopolysaccharide (LPS). To study the possible contribution of plasma to the high and low responder phenomenon, we measured the MTF activity in isolated cryoprese...
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journal_title:British journal of haematology
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pub_type: 杂志文章,多中心研究
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abstract::A bleeding tendency manifested by petechiae and ecchymoses is one of the most common causes for referral of patients to haematology clinics. Vessel wall pathology is not usually considered to be a cause for deranged haemostasis, although coexistence of increased capillary fragility and joint hypermobility have been re...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::T-cells from patients with B-cell chronic lymphocytic leukaemia (B-CLL) have abnormal T4/T8 ratios and functions. Previously, we demonstrated that peripheral blood (PB) mononuclear cells from B-CLL patients secrete significant amounts of interleukin 2 (IL2) with an apparent dysregulation of accessory cells controlling...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
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doi:10.1111/j.1365-2141.2011.08595.x
更新日期:2011-05-01 00:00:00