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Studies of micropar...
Studies of microparticles in patients with the antiphospholipid syndrome (APS)
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- Vikerfors, A (author)
- Karolinska Institutet
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- Mobarrez, F (author)
- Karolinska Institutet
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- Bremme, K (author)
- Karolinska Institutet
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- Holmstrom, M (author)
- Karolinska Institutet
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- Agren, A (author)
- Karolinska Institutet
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Eelde, A (author)
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- Bruzelius, M (author)
- Karolinska Institutet
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- Antovic, A (author)
- Karolinska Institutet
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- Wallen, H (author)
- Karolinska Institutet
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- Svenungsson, E (author)
- Karolinska Institutet
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(creator_code:org_t)
- 2012-05-25
- 2012
- English.
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In: Lupus. - : SAGE Publications. - 1477-0962 .- 0961-2033. ; 21:7, s. 802-805
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https://doi.org/10.1...
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Abstract
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- Objectives: To study circulating platelet, monocyte and endothelial microparticles (PMPs, MMPs and EMPs) in patients with antiphospholipid syndrome (APS) in comparison with healthy controls. Material and method: Fifty-two patients with APS and 52 healthy controls were investigated. MPs were measured on a flow cytometer (Beckman Gallios) and defined as particles sized < 1.0 µm, negative to phalloidin, positive to lactadherin and positive to either CD42a (PMPs), CD144 (EMPs) or CD14 (MMPs). Exposure of CD142 (TF) was measured on CD144 positive MPs. Results: Total number of MPs (i.e. lactadherin positive particles) was higher in APS patients versus controls ( p < 0.001). An increased number of EMPs ( p < 0.001), increased TF-positive EMPs ( p < 0.001) and increased MMPs ( p < 0.001) were also observed. PMP numbers did not differ between the groups. None of the MP types differed in numbers between obstetric and thrombotic APS patients. Conclusion: We observed a high number of EMPs expressing TF in APS patients. The numbers of MMPs and total EMPs were also higher as compared with healthy controls but in contrast to previous reports, the number of PMPs did not differ between groups.
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- art (subject category)
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Lupus
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- By the author/editor
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Vikerfors, A
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Mobarrez, F
-
Bremme, K
-
Holmstrom, M
-
Agren, A
-
Eelde, A
-
show more...
-
Bruzelius, M
-
Antovic, A
-
Wallen, H
-
Svenungsson, E
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show less...
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Lupus
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Karolinska Institutet