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Evidence Supporting...
Evidence Supporting a Key Role of Lp-PLA2-Generated Lysophosphatidylcholine in Human Atherosclerotic Plaque Inflammation.
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- Goncalves, Isabel (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Kardiovaskulär forskning - translationella studier,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups,Cardiovascular Research - Translational Studies
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- Edsfeldt, Andreas (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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Ko, Na Young (författare)
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- Grufman, Helena (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Berg, Katarina (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Björkbacka, Harry (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Nitulescu, Mihaela (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Persson, Ana (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Nilsson, Marie MN (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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Prehn, Cornelia (författare)
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Adamski, Jerzy (författare)
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- Nilsson, Jan (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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(creator_code:org_t)
- 2012
- 2012
- Engelska.
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Ingår i: Arteriosclerosis, Thrombosis and Vascular Biology. - 1524-4636. ; 32:6, s. 1505-1505
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- OBJECTIVE: To determine whether the level of lysophosphatidylcholine (lysoPC) generated by lipoprotein-associated phospholipase A2 (Lp-PLA2) is associated with severity of inflammation in human atherosclerotic plaques. Elevated plasma Lp-PLA2 is associated with increased cardiovascular risk. Lp-PLA2 inhibition reduces atherosclerosis. Lp-PLA2 hydrolyzes low-density lipoprotein-oxidized phospholipids generating lysoPCs. According to in vitro studies, lysoPCs are proinflammatory but the association between their generation and plaque inflammation remains unknown. METHODS AND RESULTS: Inflammatory activity in carotid plaques (162 patients) was determined immunohistochemically and by analyzing cytokines in homogenates (multiplex immunoassay). LysoPCs were quantified using mass spectrometry and Lp-PLA2 and the lysoPC metabolite lysophosphatidic acid (LPA) by ELISA. There was a strong correlation among lysoPC 16:0, 18:0, 18:1, LPA, and Lp-PLA2 in plaques. LysoPC 16:0, 18:0, 18:1, LPA, and Lp-PLA2 correlated with interleukin-1β, interleukin-6, monocyte chemoattractant protein-1, macrophage inflammatory protein-1β, regulated on activation normal T-cell expressed and secreted, and tumor necrosis factor-α in plaques. High lysoPC and Lp-PLA2 correlated with increased plaque macrophages and lipids and with low content of smooth muscle cells, whereas LPA only correlated with plaque macrophages. Lp-PLA2, lysoPC 16:0, 18:0, and 18:1, but not LPA were higher in symptomatic than in asymptomatic plaques. CONCLUSIONS: The associations among Lp-PLA2, lysoPCs, LPA, and proinflammatory cytokines in human plaques suggest that lysoPCs play a key role in plaque inflammation and vulnerability. Our findings support Lp-PLA2 inhibition as a possible strategy for the prevention of cardiovascular disease.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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Goncalves, Isabe ...
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Edsfeldt, Andrea ...
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Ko, Na Young
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Grufman, Helena
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Berg, Katarina
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Björkbacka, Harr ...
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visa fler...
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Nitulescu, Mihae ...
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Persson, Ana
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Nilsson, Marie M ...
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Prehn, Cornelia
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Adamski, Jerzy
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Nilsson, Jan
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- MEDICIN OCH HÄLSOVETENSKAP
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Arteriosclerosis ...
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Lunds universitet