Lysophosphatidic Acid 18:0 sn-1 in Cerebrospinal Fluid as a Potential Biomarker of Depressive Symptoms in Patients with Neuropathic Pain. - Inoue, Reo; Sumitani, Masahiko; Kimura, Atsushi; Mochizuki, Takao; Akiyama, Toru; Morita, Yoshifumi; Takahashi, Takuya; Hirai, Takashi; Hayakawa, Kentaro; Chikuda, Hirotaka; Kurano, Makoto (Brain Sciences (2076-3425), 2026)