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Int. J. Mol. Sci. 2010, 11(10), 3988-3998; doi:10.3390/ijms11103988
Article

Lysophosphatidic Acid Level and the Incidence of Silent Brain Infarction in Patients with Nonvalvular Atrial Fibrillation

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Received: 12 August 2010; in revised form: 25 September 2010 / Accepted: 12 October 2010 / Published: 19 October 2010
(This article belongs to the Special Issue Phospholipids: Molecular Sciences)
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Abstract: Lysophosphatidic acid (LPA), which is proposed to play an important role in normal physiological situations such as wound healing, vascular tone, vascular integrity and reproduction, may be involved in the etiology of some diseases such as atherosclerosis, cancer, obesity or myocardial infarction. Abnormal findings, including silent brain infarction (SBI), are frequently observed by magnetic resonance imaging (MRI) in patients with nonvalvular atrial fibrillation (NVAF). However, whether there is a relationship between LPA level and the prevalence of SBI has not been extensively studied. In the present study, the association between them was investigated. 235 patients with NVAF, 116 cases of SBI without NVAF and 120 cases of healthy volunteers (control group), who did not receive any antithrombotic therapy, were enrolled in this study. Plasma LPA levels in the NVAF with SBI group were significantly higher than that in the control group (p < 0.01), NVAF without SBI group (p < 0.01) and SBI without NVAF group (p < 0.01). The LPA levels are lower in the control group than in the NVAF without SBI and SBI without NVAF groups (p < 0.01), however, the latter two groups did not significantly differ from each other for LPA levels (p > 0.05) There were significant differences in the positive rate of platelet activation between each of the groups (p < 0.01). The positive rate of platelet activation was significantly higher in the NVAF with SBI group. We suggest that LPA might be a novel marker for estimation of the status of platelet activation and the risk factor for SBI onset in NVAF patients. We expected that plasma LPA levels could predict the occurrence of SBI in NVAF patients.
Keywords: atrial fibrillation; lysophospholipids; ischemic stroke; platelet activation atrial fibrillation; lysophospholipids; ischemic stroke; platelet activation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Li, Z.-G.; Yu, Z.-C.; Yu, Y.-P.; Ju, W.-P.; Wang, D.-Z.; Zhan, X.; Wu, X.-J.; Zhou, L. Lysophosphatidic Acid Level and the Incidence of Silent Brain Infarction in Patients with Nonvalvular Atrial Fibrillation. Int. J. Mol. Sci. 2010, 11, 3988-3998.

AMA Style

Li Z-G, Yu Z-C, Yu Y-P, Ju W-P, Wang D-Z, Zhan X, Wu X-J, Zhou L. Lysophosphatidic Acid Level and the Incidence of Silent Brain Infarction in Patients with Nonvalvular Atrial Fibrillation. International Journal of Molecular Sciences. 2010; 11(10):3988-3998.

Chicago/Turabian Style

Li, Zhen-Guang; Yu, Zhan-Cai; Yu, Yong-Peng; Ju, Wei-Ping; Wang, Dao-Zhen; Zhan, Xia; Wu, Xi-Juan; Zhou, Li. 2010. "Lysophosphatidic Acid Level and the Incidence of Silent Brain Infarction in Patients with Nonvalvular Atrial Fibrillation." Int. J. Mol. Sci. 11, no. 10: 3988-3998.


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