Abstract:
:Microparticles are small membrane vesicles that are released from cells upon activation or during apoptosis. Cellular microparticles in body fluids constitute a heterogeneous population, differing in cellular origin, numbers, size, antigenic composition and functional properties. Microparticles support coagulation by exposure of negatively charged phospholipids and sometimes tissue factor, the initiator of coagulation in vivo. Microparticles may transfer bioactive molecules to other cells or microparticles, thereby stimulating cells to produce cytokines, cell-adhesion molecules, growth factors and tissue factor, and modulate endothelial functions. Microparticles derived from various cells, most notably platelets but also leucocytes, lymphocytes, erythrocytes and endothelial cells, are present in the circulation of healthy subjects. Rare hereditary syndromes with disturbances in membrane vesiculation leading to a decreased numbers of microparticles clinically present with a bleeding tendency. In contrast, elevated numbers of microparticles are encountered in patients with a great variety of diseases with vascular involvement and hypercoagulability, including disseminated intravascular coagulation, acute coronary syndromes, peripheral arterial disease, diabetes mellitus and systemic inflammatory disease. Finally, microparticles are a major component of human atherosclerotic plaques. In view of their functional properties, cell-derived microparticles may be an important intermediate in the cascade of cellular and plasmatic dysfunctions underlying the process of atherogenesis.
journal_name
Eur J Clin Investjournal_title
European journal of clinical investigationauthors
Diamant M,Tushuizen ME,Sturk A,Nieuwland Rdoi
10.1111/j.1365-2362.2004.01355.xkeywords:
subject
Has Abstractpub_date
2004-06-01 00:00:00pages
392-401issue
6eissn
0014-2972issn
1365-2362pii
ECI1355journal_volume
34pub_type
杂志文章,评审abstract::In contrast to bile salts, which undergo a highly efficient enterohepatic circulation with multiple regulatory and physiologic functions, glucuronic acid conjugates of bilirubin are biliary excretory molecules that in health do not have a continuing biologic life. Intestinal absorptive cells are devoid of recapture tr...
journal_title:European journal of clinical investigation
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abstract:BACKGROUND: Cirrhotic patients are at considerable risk for bacterial infections, possibly through increased intestinal permeability and bacterial overgrowth. Proton pump inhibitors (PPIs) may increase infection risk. We aimed to explore the potential association between PPI use and bacterial infection risk in cirrhot...
journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1994-01-01 00:00:00
abstract:BACKGROUND:Tumour necrosis factor alpha (TNF) mRNA expression has been reported to be up-regulated in adipose tissue from several rodent models of obesity and diabetes and from obese humans. This elevated expression has been assumed to be associated with the development of insulin resistance. However, the biological si...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.1999.00520.x
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journal_title:European journal of clinical investigation
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doi:10.1111/j.1365-2362.1994.tb02426.x
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journal_title:European journal of clinical investigation
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doi:10.1111/j.1365-2362.2008.02028.x
更新日期:2008-11-01 00:00:00
abstract::The effect of propranolol 160-640 mg/day for 3 months on the accelerated loss of bone matrix and mineral in hyperthyroidism was studied in seventeen patients. A rise in serum thyroxine (P less than 0.01) during the first 3 weeks was followed by a fall (P less than 0.02). Serum triiodothyronine declined during the stud...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1984.tb02095.x
更新日期:1984-04-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:1986-10-01 00:00:00
abstract::Levels of free anti-(xanthine oxidoreductase) (XOR) antibodies in the serum of normal healthy human subjects were determined, using both human and bovine enzyme as antigen, in an enzyme-linked immunosorbent assay (ELISA). Levels of IgM class anti-(human XOR) antibodies were found to be particularly high (mean values r...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:1997-07-01 00:00:00
abstract::To study further the role of hepatic cholesterol synthesis in patients with gallstones, the activity of the rate-limiting step in cholesterogenesis, hydroxymethyl glutaryl co-enzyme A reductase (HMGCoAR), was measured in operative wedge liver biopsies from ten patients with untreated cholesterol gallstones, six with p...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1980.tb00040.x
更新日期:1980-08-01 00:00:00
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journal_title:European journal of clinical investigation
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更新日期:2002-06-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:1976-11-30 00:00:00
abstract:BACKGROUND:Many haemodialysis patients treated with recombinant human erythropoietin (r-HuEPO) receive intravenous iron supplementation on a regular basis. It has been shown previously that this may result in a transient "oversaturation" of transferrin. METHODS:Ten stable haemodialysis patients on r-HuEPO treatment re...
journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章
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更新日期:2014-06-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:2009-07-01 00:00:00
abstract:BACKGROUND:The Treating to New Targets (TNT) study has recently provided evidence that reduction in LDL-C levels below 2·6 mmol L⁻¹ lowers the risk of cerebrovascular events by an additional 20% to 25%, thereby confirming the value of statin therapy in preventing transient ischaemic attacks and stroke. Despite the prot...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2011-02-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
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更新日期:2017-06-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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更新日期:2008-12-01 00:00:00
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journal_title:European journal of clinical investigation
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更新日期:1986-06-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:1989-12-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2005-03-01 00:00:00
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journal_title:European journal of clinical investigation
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更新日期:1978-12-01 00:00:00
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更新日期:2008-04-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.2003.01153.x
更新日期:2003-06-01 00:00:00