Abstract:
:Beta2-glycoprotein I (beta2GPI) is an important target antigen for antiphospholipid antibodies (aPL) and thus beta2GPI polymorphisms may influence aPL production and the development of antiphospholipid syndrome. We have studied the relationship between the Val247Leu and Trp316Ser beta2GPI polymorphisms and the aPL status of 230 patients referred for aPL screening. Sixty-one (26.5%) had persistent aPL [anticardiolipin antibodies (IgG and/or IgM), lupus anticoagulants and/or IgG anti-beta2GPI antibodies]. A comparison of the genotypic and allelic frequencies of these two polymorphisms between the Caucasian patient population and an ethnic-matched normal control group (n = 308) showed no significant differences between aPL-positive patients, aPL-negative patients and the normal control group. This suggests that the Val or Leu allele at position 247 and the Trp or Ser allele at position 316 of beta2GPI do not play a role in the production of aPL. There was a significantly decreased prevalence of the Ser316 allele in aPL-negative women (n = 98) when compared with female normal control subjects (n = 249) [0.020 [95% confidence interval (CI) 0.00-0.04]vs 0.060 (95% CI 0.04-0.08), P = 0.0286]. Subgroup analysis showed no significant difference between female patients with thrombosis and female normal control subjects. Thus, the Ser316 allele may protect women from developing pregnancy complications by influencing an anticoagulant function of beta2GPI via a mechanism distinct from aPL production.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Camilleri RS,Mackie IJ,Humphries SE,Machin SJ,Cohen Hdoi
10.1046/j.1365-2141.2003.04187.xsubject
Has Abstractpub_date
2003-03-01 00:00:00pages
1066-72issue
6eissn
0007-1048issn
1365-2141pii
4187journal_volume
120pub_type
杂志文章abstract::Hodgkin lymphoma (HL) is characterized by a minority of neoplastic Hodgkin-Reed Sternberg (HRS) cells surrounded by a non-neoplastic reactive infiltrate. As immunological mechanisms appear to be crucial in classical HL pathogenesis, altered serum chemokine levels might be related to disease activity. Serum levels of n...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
doi:10.1111/j.1365-2141.2007.06964.x
更新日期:2008-03-01 00:00:00
abstract::Peripheral blood levels of BFU-e, CFU-GM and CFU-mix were studied serially in nine patients with acute leukaemia in remission during the period of recovery that followed induction or consolidation chemotherapy. Following 23 courses of treatment in the nine patients, the values for all three classes of progenitor were ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1989.tb07645.x
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abstract::We tested four negative and two positive selection methods for separation of CD34+ cells from mobilized blood cells, and analysed fold-enrichment, purity and recovery of CD34+ cells after selection procedures. The elimination of mature CD34- cells was achieved by adhesion to nylon-wool fibre (5.9 +/- 1.0 mean fold-enr...
journal_title:British journal of haematology
pub_type: 杂志文章
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abstract::Cytometry has become important in the detection and determination of risk of monoclonal B-cell lymphocytosis; methodology has changed, and will continue to change, as cytometric technology changes. ...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
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abstract::Genetic risk factors play an important role in the aetiology of vascular diseases. The insertion/deletion polymorphism (4G/5G) in the promotor region of the plasminogen activator inhibitor 1 (PAI-1) gene has been associated with an increased risk of myocardial infarction. We investigated 136 patients with minor stroke...
journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,多中心研究
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1979.tb01142.x
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1991.tb08063.x
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doi:10.1046/j.1365-2141.2001.03194.x
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abstract::Marked changes in the concentration and proliferative state of circulating granulocytic progenitor cells (colony forming units in culture; CFUc) were observed in female patients following surgical trauma. Within one day of an abdominal hysterectomy there was an abrupt fall in the number of blood CFUc to between 10% an...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1980.tb01208.x
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1976.tb03552.x
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abstract::In this population-based survey covering two geographically distinct UK regions, we evaluated the number of myeloma patients aged < or =65 years who have not undergone transplantation. The combined data from both of these regions showed that 57% of age-eligible patients were not transplanted. While early death and com...
journal_title:British journal of haematology
pub_type: 杂志文章
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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
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journal_title:British journal of haematology
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abstract::The multimeric plasma protein von Willebrand factor (VWF) is regulated in size by its protease, ADAMTS13 (a disintegrin and metalloproteinase with thrombospondin type 1 motif, member 13). Y1605-M1606 cleavage site mutations and single nucleotide polymorphisms (SNPs) in the VWF A1 and A2 domains were examined for alter...
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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