並列タイトル等末梢神経損傷後のマウス後根神経節においてリゾホスファチジン酸の前駆体は減少し、アラキドン酸含有リン脂質は増加する
一般注記doctoral
医学系研究科
In the current study, we aimed to analyze the lipid changes in the dorsal root ganglion (DRG) after sciatic nerve transection (SNT) using matrix-assisted laser desorption/ionization imaging mass spectrometry (MALDI-IMS). We found that the arachidonic acid-containing phosphatidylcholine (AA-PC), PC(16:0/20:4) largely increased, while PC(16:0/18:1), PC(18:0/18:1) and phosphatidic acid (PA)(36:2) levels largely decreased in the DRG following nerve injury. Previous studies show that the increase in PC(16:0/20:4) was associated with neuropathic pain and that decrease in PC(16:0/18:1), PC(18:0/18:1), and PA(36:2) were due to producing lysophosphatidic acid (LPA), an initiator for neuropathic pain. These results suggest that the lipid changes in DRG after SNT could be the result of changes for the cause of neuropathic pain. Thus, blocking of LPA could be potential for treatment of neuropathic pain.
DOIinfo:doi/10.1016/j.neulet.2018.12.035
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