From bedside to bench—practical considerations to avoid pre-analytical pitfalls and assess sample quality for high-resolution metabolomics and lipidomics analyses …

R Lehmann - Analytical and Bioanalytical Chemistry, 2021 - Springer
The stability of lipids and other metabolites in human body fluids ranges from very stable
over several days to very unstable within minutes after sample collection. Since the high …

The Octadecanoids: Synthesis and Bioactivity of 18-Carbon Oxygenated Fatty Acids in Mammals, Bacteria, and Fungi

J Revol-Cavalier, A Quaranta, JW Newman… - Chemical …, 2024 - ACS Publications
The octadecanoids are a broad class of lipids consisting of the oxygenated products of 18-
carbon fatty acids. Originally referring to production of the phytohormone jasmonic acid, the …

Development of a quantitative proteomics approach for cyclooxygenases and lipoxygenases in parallel to quantitative oxylipin analysis allowing the comprehensive …

NM Hartung, M Mainka, R Pfaff, M Kuhn… - Analytical and …, 2023 - Springer
Oxylipins derived from the cyclooxygenase (COX) and lipoxygenase (LOX) pathways of the
arachidonic acid (ARA) cascade are essential for the regulation of the inflammatory …

[HTML][HTML] Deducing formation routes of oxylipins by quantitative multiple heart-cutting achiral-chiral 2D-LC-MS

N Kampschulte, R Kirchhoff, A Löwen… - Journal of Lipid …, 2024 - Elsevier
Several oxylipins are regulators of inflammation. They are formed by enzymes such as
lipoxygenases or cyclooxygenases, but also stereorandomly by autoxidation. Reversed …

An Optimized Ex Vivo n–3 PUFA Supplementation Strategy for Primary Human Macrophages Shows That DHA Suppresses Prostaglandin E2 Formation

R Kirchhoff, N Kampschulte… - Molecular Nutrition & …, 2024 - Wiley Online Library
Evidence suggests beneficial effects of long‐chain n–3 polyunsaturated fatty acids (PUFAs)
in inflammatory diseases. However, the underlying mechanisms are still subject of research …

Impact of age, menopause, and obesity on oxylipins linked to vascular health

SD Pauls, Y Du, L Clair, T Winter… - … , and vascular biology, 2021 - Am Heart Assoc
Objective: Cardiovascular disease, a major cause of mortality and morbidity, exhibits sexual
dimorphism since the onset of cardiovascular disease occurs later in women than in men …

Characterization of the oxylipin pattern and other fatty acid oxidation products in freshly pressed and stored plant oils

E Koch, M Wiebel, A Löwen, I Willenberg… - Journal of Agricultural …, 2022 - ACS Publications
Enzymatic and nonenzymatic oxidation of linoleic (LA) and α-linolenic acid (ALA) during
pressing and storage of plant oils leads to a variety of oxylipins. We pressed oils from …

Rapid quantification of fatty acids in plant oils and biological samples by LC-MS

E Koch, M Wiebel, C Hopmann, N Kampschulte… - Analytical and …, 2021 - Springer
Abstract Analysis of fatty acids (FA) in food and biological samples such as blood is
indispensable in modern life sciences. We developed a rapid, sensitive and comprehensive …

Beyond Autoxidation and Lipoxygenases: Fatty Acid Oxidation Products in Plant Oils

E Koch, A Löwen, N Kampschulte… - Journal of Agricultural …, 2023 - ACS Publications
For decades, research on oxidation of linoleic acid (LA, C18: 2 n6) and α-linolenic acid
(ALA, C18: 3 n3) in plant oils has focused on autoxidatively formed and lipoxygenase …

[HTML][HTML] Integrated analysis of whole blood oxylipin and cytokine responses after bacterial, viral, and T cell stimulation reveals new immune networks

E Villain, A Chanson, M Mainka, N Kampschulte… - Iscience, 2023 - cell.com
Oxylipins are major immunomodulating mediators, yet studies of inflammation focus mainly
on cytokines. Here, using a standardized whole-blood stimulation system, we characterized …