Title : Structural and Aggregation Properties of Alpha-Synuclein Linked to Phospholipase A2 Action.

Pub. Date : 2018

PMID : 29577851






7 Functional Relationships(s)
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1 Arachidonic acid is released by phospholipase A2 activity and clinical observations have shown a link between mutations in PLA2G6, the gene responsible for the production of phospholipase A2, and early-onset types of parkinsonism. Arachidonic Acid phospholipase A2 group IB Homo sapiens
2 Arachidonic acid is released by phospholipase A2 activity and clinical observations have shown a link between mutations in PLA2G6, the gene responsible for the production of phospholipase A2, and early-onset types of parkinsonism. Arachidonic Acid phospholipase A2 group IB Homo sapiens
3 It is unknown how phospholipase A2-driven release of arachidonic acid can affect the conformation of alphasynuclein. Arachidonic Acid phospholipase A2 group IB Homo sapiens
4 OBJECTIVE: The main objective of this study was to investigate if phospholipase A2-induced release of arachidonic acid can induce changes in conformation and aggregation state of alpha-synuclein. Arachidonic Acid phospholipase A2 group IB Homo sapiens
5 RESULTS: Phospholipase A2 is capable of releasing arachidonic acid from biomimetic phospholipid membranes. Arachidonic Acid phospholipase A2 group IB Homo sapiens
6 Exposure of alpha-synuclein to phospholipase A2-induced release of arachidonic acid from PC/PS liposomes induces a conformational transition of the protein and leads to partial resistance against proteolytic cleavage by V8 protease. Arachidonic Acid phospholipase A2 group IB Homo sapiens
7 Prolonged incubation of alpha-synuclein with arachidonic acid, derived from PC/PS liposomes by phospholipase A2 leads to aggregate formation. Arachidonic Acid phospholipase A2 group IB Homo sapiens