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High sPLA2-IIA level is associated with eicosanoid metabolism in patients with bacterial sepsis syndrome
Nurul Saadah Ahmad1,2, Toh Leong Tan2, Khaizurin Tajul Arifin1
1Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Ya'acob Latiff, Bandar Tun Razak, Cheras, Kuala Lumpur, Malaysia.
Abstract:
The aim of this study was to determine the association between secretory phospholipase A2 group IIA (sPLA2-IIA) and eicosanoid pathway metabolites in patients with bacterial sepsis syndrome (BSS). Levels of sPLA2-IIA, eicosanoids prostaglandin (PG)E2, PGD synthase were quantified in the sera from patients confirmed to have bacterial sepsis (BS; N = 45), bacterial severe sepsis/septic shock (BSS/SS; N = 35) and healthy subjects (N = 45). Cyclooxygenase (COX)-1 and COX-2 activities were analyzed from cell lysate. Serum levels of sPLA2-IIA, PGE2, and PGDS increased significantly in patients with BS and BSS/SS compared to healthy subjects (p<0.05). COX-2 activity was significantly increased in patients with BS compared to healthy subjects (p<0.05), but not COX-1 activity. Binary logistic regression analysis showed that sPLA2-IIA and PGE2 were independent factors predicting BSS severity. In conclusion, high level of sPLA2-IIA is associated with eicosanoid metabolism in patients with BSS.
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