ヤマウチ　カヅヨ   YAMAUCHI Kadzuyo   山内　かづ代    所属   医学部 医学科    職種   評議員
論文種別	原著
言語種別	英語
査読の有無	査読あり
表題	Nuclear factor-kappa B decoy suppresses nerve injury and improves mechanical allodynia and thermal hyperalgesia in a rat lumbar disc herniation model.
掲載誌名	正式名：European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society 略　 称：Eur Spine J ISSNコード：(1432-0932)0940-6719(Linking)
掲載区分	国外
巻・号・頁	18(7),pp.1001-7
著者・共著者	Suzuki Munetaka, Inoue Gen, Gemba Takefumi, Watanabe Tomoko, Ito Toshinori, Koshi Takana, Yamauchi Kazuyo, Yamashita Masaomi, Orita Sumihisa, Eguchi Yawara, Ochiai Nobuyasu, Kishida Shunji, Takaso Masashi, Aoki Yasuchika, Takahashi Kazuhisa, Ohtori Seiji
発行年月	2009/07
概要	Nuclear factor-kappa B (NF-kappaB) is a gene transcriptional regulator of inflammatory cytokines. We investigated the transduction efficiency of NF-kappaB decoy to dorsal root ganglion (DRG), as well as the decrease in nerve injury, mechanical allodynia, and thermal hyperalgesia in a rat lumbar disc herniation model. Forty rats were used in this study. NF-kappaB decoy-fluorescein isothiocyanate (FITC) was injected intrathecally at the L5 level in five rats, and its transduction efficiency into DRG measured. In another 30 rats, mechanical pressure was placed on the DRG at the L5 level and nucleus pulposus harvested from the rat coccygeal disc was transplanted on the DRG. Rats were classified into three groups of ten animals each: a herniation + decoy group, a herniation + oligo group, and a herniation only group. For behavioral testing, mechanical allodynia and thermal hyperalgesia were evaluated. In 15 of the herniation rats, their left L5 DRGs were resected, and the expression of activating transcription factor 3 (ATF-3) and calcitonin gene-related peptide (CGRP) was evaluated immunohistochemically compared to five controls. The total transduction efficiency of NF-kappaB decoy-FITC in DRG neurons was 10.8% in vivo. The expression of CGRP and ATF-3 was significantly lower in the herniation + decoy group than in the other herniation groups. Mechanical allodynia and thermal hyperalgesia were significantly suppressed in the herniation + decoy group. NF-kappaB decoy was transduced into DRGs in vivo. NF-kappaB decoy may be useful as a target for clarifying the mechanism of sciatica caused by lumbar disc herniation.
DOI	10.1007/s00586-009-0940-x
PMID	19308465