Relationship between hyperbilirubinemia and cerebral oxygen metabolism in newborn infants.
Project/Area Number |
16K10092
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Embryonic/Neonatal medicine
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Research Institution | Kagawa University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
安田 真之 香川大学, 医学部附属病院, 講師 (00380155)
小谷野 耕佑 香川大学, 医学部附属病院, 助教 (20437685)
岡田 仁 香川大学, 医学部, 准教授 (30253272)
三木 崇範 香川大学, 医学部, 教授 (30274294)
岩瀬 孝志 香川大学, 医学部附属病院, 講師 (30284368)
上野 正樹 香川大学, 医学部, 教授 (30322267)
中村 信嗣 香川大学, 医学部附属病院, 助教 (30437686)
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Project Period (FY) |
2016-04-01 – 2020-03-31
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Project Status |
Completed (Fiscal Year 2019)
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Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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Keywords | 肝臓ビリルビン抱合能 / 脳内酸素代謝 / コプロポルフィリン / ABCC2 / 近赤外分光分析法 / 脳内Hb酸素飽和度 / 新生児黄疸 / 発達 / 近赤外光 / 抱合型ビリルビン / 尿中コプロポルフィリン比 / 新生児 / 黄疸 / MRP2/ABCC2 / ビルルビン / 脳酸素消費率 / 抗酸化作用 / 抱合ビリルビン / HPLC / ビリルビン |
Outline of Final Research Achievements |
Neonatal hyperbilirubinemia is the unique physiological phenomenon in human. Its biological significance depends on the role of bilirubin as a radical scavenger during neonatal period, when the brain oxygen metabolism develops rapidly. We validated the methods for measurements of both liver glucuronidation and cerebral oxygen consumption in human neonates. We found that serum conjugated bilirubin and bilirubinⅨαare useful for assessments of liver glucuronidation two weeks after birth, because the secretion of conjugated bilirubin is stable at that time. Further, we investigated relationships between cerebral Hb oxygen saturation (ScO2) by near-infrared spectroscopy and Hb oxygen saturation of the internal jugular vein or femoral artery in children with congenital heart diseases, found ScO2 is useful for assessing cerebral oxygenation in neonates.
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Academic Significance and Societal Importance of the Research Achievements |
本研究結果を基に、ヒト特有の新生児黄疸の要因であるビリルビンIXαの変動(生後の一過性増加)と、活性酸素種産生増加の要因となる組織酸素消費率の低下(生後の増加)との関連性が検討出来る。ヒト特有で酸素消費量が最多臓器は脳であり、生理的黄疸の意義をヒト固有の脳酸素代謝の成熟による変化を基に裏付ける事が可能となる。脳酸素代謝率が生後に上昇するが、生直後はビリルビンIXαが上昇した後に低下し、抱合ビリルビンが上昇、排泄されるにつれて、つまりビリルビンUDP-グルクロン酸転移酵素活性が上昇するため、脳酸素代謝と肝臓のビリルビン抱合能の関連を認める事が予測される。
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Report
(5 results)
Research Products
(81 results)
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[Journal Article] Green light-emitting diode phototherapy for neonatal hyperbilirubinemia: Randomized controlled trial2019
Author(s)
Kuboi T, Kusaka T, Okada H, Arioka M, Nii K, Takahashi M, Yamato S, Sadamura T, Jinnnai W, Nakao A, Itoh S
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Journal Title
Pediatr Int
Volume: 61
Issue: 5
Pages: 465-470
DOI
Related Report
Peer Reviewed
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[Journal Article] Effects of bilirubin photoisomers on the measurement of direct bilirubin by the bilirubin oxidase method2018
Author(s)
Okada H, Kawada K, Itoh S, Ozaki M, Kakutani I, Arita T, Koyano K, Yasuda S, Iwase T, Murao K, Kusaka T
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Journal Title
Ann Clin Biochem
Volume: 55
Issue: 2
Pages: 276-280
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Relationship between prolonged neural suppression and cerebral hemodynamic dysfunction during hypothermia in asphyxiated piglets.2018
Author(s)
Jinnai W, Nakamura S, Koyano K, Yamato S, Wakabayashi T, Htun Y, Nakao Y, Iwase T, Nakamura M, Yasuda S, Ueno M, Miki T, Kusaka T
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Journal Title
Brain Dev
Volume: 40
Issue: 8
Pages: 649-661
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Hypoxic-Ischemic Encephalopathy-Associated Liver Fatty Degeneration and the Effects of Therapeutic Hypothermia in Newborn Piglets.2017
Author(s)
Kubo H, Shimono R, Nakamura S, Koyano K, Jinnai W, Yamato S, Yasuda S, Nakamura M, Tanaka A, Fujii T, Kanenishi K, Chiba Y, Miki T, Kusaka T, Ueno M.
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Journal Title
Neonatology
Volume: 111
Issue: 3
Pages: 203-210
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Burst Suppression in Hypothermia After Cardiac Arrest Because of Drowning Treated with Targeted Temperature Management: A Case Report.2016
Author(s)
Okazaki T, Hifumi T, Egawa S, Hamaya H, Shinohara N, Kawamoto S, Iwaki T, Tsukahara K, Kawakita K, Kusaka T, Kuroda Y.
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Journal Title
Ther Hypothermia Temp Manag
Volume: -
Issue: 2
Pages: 107-110
DOI
Related Report
Peer Reviewed / Open Access
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[Presentation] 水素ガス吸入療法は低酸素虚血後・低体温療法中の痙攣発症を軽減できるか?2019
Author(s)
中村信嗣, Yinmon Htun, 中尾泰浩, 光家努, 有岡誠, 森本絢, 小谷野耕佑, 安田真之, 近藤園子, 加藤育子, 岩瀬孝志, 日下隆
Organizer
第71回中国四国小児科学会
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[Presentation] 新生仔豚モデルを用いた水素ガス吸入療法の生体への影響及び使用上の安全性の検証2019
Author(s)
中村信嗣, Yinmon Htun, 中尾泰浩, 光家努, 若林誉幸, 有岡誠, 森本絢, 小谷野耕佑, 小西行彦, 安田真之, 近藤園子, 福家典子, 日下隆
Organizer
第71回中国四国小児科学会
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[Presentation] Effect of hydrogen ventilation on aEEG findings in neonatal hypoxia-ischemia piglets.2019
Author(s)
Yinmon Htun, Shinji Nakamura, Tsutomu Mitssuie, Yasuhiro Nakao, Makoto Arioka, Aya Morimoto, Ikuko Kato, Sonoko Kondo, Yukihiko Konishi, Kosuke Koyano, Saneyuki Yasuda, Takashi Iwase, Takashi Kusaka
Organizer
第122回日本小児科学会学術集会
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[Presentation] Hydrogen ventilation improves short term outcomes in HIE piglets.2019
Author(s)
Yinmon Htun, Shinji Nakamura, Tsutomu Mitsuie, Yasuhiro Nakao, Takayuki Wakabayashi, Satoshi Yamato, Wataru Jinnai, Aya Morimoto, Masashiro Sugino, Kosuke Koyano, Kenichi Ohta, Ikuko Kato, Sonoko Kondo, Makoto Nakamura, Saneyuki Yasuda, Takanori Miki, Masaki Ueno, Takashi Kusaka
Organizer
第2回新生児基礎・トランスレーションナルリサーチ研究会
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[Presentation] 新生仔豚仮死モデルにおける水素ガス吸入療法による脳保護効果について2019
Author(s)
中村信嗣, Yinmon Htun, 中尾泰浩, 光家努, 太田健一, 小谷野耕佑, 森本絢, 安田真之, 小西行彦, 加藤育子, 近藤園子, 三木崇範, 上野正樹, 日下隆
Organizer
平成30年度文部科学省新学術領域研究 学術研究支援基盤形成先端モデル動物支援プラットフォーム成果発表会
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[Presentation] "Excessive decrease in cerebral blood volume during hypothermia can indicate adverse neurological outcome in asphyxiated piglet".2018
Author(s)
Shinji Nakamura, Wataru Jinnai, Yinmon Htun, Yasuhiro Nakao, Tsutomu Mitsuie, Kenichi Ohta, Takayuki Wakabayashi, Ikuko Kato, Yukihiko Konishi, Aya Hashimoto and Morimoto, Masashiro Sugino, Sonoko Kondo, Saneyuki Yasuda, Takanori Miki, Masaki Ueno, Takashi Kusaka.
Organizer
Pediatric Academic Societies Meeting in Toronto
Related Report
Int'l Joint Research
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[Presentation] Impact of the delivery modes on cerebral hemodynamic patterns in term neonates during immediate transition period using near-infrared time- resolved spectroscopy.2018
Author(s)
Aya Morimoto, Shinji Nakamura, Masashiro Sugino, Yinmon Htun, Kosuke Koyano, Makoto Arioka, Noriko Fuke, Ikuko Kato, Yukihiko Konishi, Sonoko Kondo, Takashi Iwase, Saneyuki Yashuda and Takashi Kusaka.
Organizer
fNIRS
Related Report
Int'l Joint Research
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[Presentation] Effectiveness of Hydrogen gas in Neonatal Hypoxic-ischemic Piglet Model.2018
Author(s)
Yinmon Htun, Tsutomu Mitsuie, Yasuhiro Nakao, Takayuki Wakabayashi, Satoshi Yamamoto, Wataru Jinnai, Aya Morimoto, Masashiro Sugino, Shinji Nakamura, Kosuke Koyano, Ikuko Kato, Sonoko kondo, Makoto Nakamura, Saneyuki Yasuda, Takashi Kusaka
Organizer
第121回日本小児科学会学術集会
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[Presentation] Hydrogen Inhalation improved Motor Function in Neonatal Hypoxic Ischemic Piglet Model.2018
Author(s)
Yinmon Htun, Yasuhiro Nakao, Satoshi Yamato, Wataru Jinnai, Aya Hashimoto, Masashiro Sugino, Shinji Nakamura, Kosuke Koyano, Ikuko Kato, Sonoko Kondo, Makoto Nakamura, Saneyuki Yasuda, Takashi Kusaka
Organizer
第54回日本周産期・新生児医学会学術集会
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[Presentation] 分娩形式は出生直後の新生児・脳循環酸素代謝変化にどのように影響を与えるか?近赤外光時間分解分光装置(TRS)を用いた出生直後からの脳血液量モニタリング2018
Author(s)
森本絢, 中村信嗣, 杉野政城, 横田崇之, 有岡誠, 福家典子, Yinmon Htun, 小谷野耕佑, 小西行彦, 近藤園子, 加藤育子, 安田真之, 岩瀬孝志, 日下隆
Organizer
第21回日本光機能イメージング学会学術集会
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[Presentation] 新生仔豚仮死モデルにおける水素ガス吸入療法による神経学的予後改善効果について2018
Author(s)
中村信嗣, Yinmon Htun, 中尾泰浩, 光家努, 太田健一, 小谷野耕佑, 森本絢, 安田真之, 小西行彦, 加藤育子, 近藤園子, 三木崇範, 上野正樹, 日下隆
Organizer
第8回日本分子状水素医学生物学会大会
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[Presentation] 新生児集中治療室(NICU)で使用する薬剤のビリルビン遊離作用の研究-第二報:抗生物質の文献学的検索2017
Author(s)
新居広一郎, 岡田 仁, 杉野政城, 伊藤 進, 川本昌平, 近藤健夫, 加藤育子, 西庄佐恵,小谷野耕佑, 安田真之, 岩瀬孝志, 日下 隆
Organizer
第44回日本小児臨床薬理学会学術集会
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[Presentation] Relationship between prolonged neural suppression and cerebral hemodynamic dysfunction during hypothermia in asphyxiated piglets2017
Author(s)
Shinji Nkamura, Wataru Jinnai, Satishi Yamato, Yinmon Htun, Yasuhiro Nakao, Tsutomu Mitsuie, Takayuki Wakabayashi, Makoto Nakamura, Masashiro Sugino, Kosuke Koyano, Saneyuki Yausuda, Sonoko Kondo, Takashi Kusaka
Organizer
44th annual Meeting Fetal and Neonatal Physiological Society
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[Presentation] Monitoring cerebral blood volume during hypoxic ischemic insult to develop the asphyxiated piglet model.~How should we estimate brain injury by monitoring CBV before birth ? ~2017
Author(s)
Shinji Nakamura, Satoshi Yamato, Yinmon Htun, Yasuhiro Nakao, Tsutomu Mitsuie, Takayuki Wakabayashi, Wataru Jinnai, Makoto Nakamura, Aya Hashimoto, Kosuke Koyano, Saneyuki Yasuda, Sonoko Komdo, Takashi Kusaka
Organizer
44th annual Meeting Fetal and Neonatal Physiological Society
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Int'l Joint Research
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[Presentation] The Effectiveness of Hydrogen Gas Inhalation as an Adjuvant Therapy of Hypothermia in Neonatal Hypoxic-ischemic Piglet Model2017
Author(s)
Yinmon Htun, Shinji Nakamura, Yasuhiro Nakao, Tsutomu Mitsuie, Takayuki Wakabayasi, Aya Hashimoto, Masashiro Sugino, Kosuke Koyano, Ikuko Kato, Saneyuki Yasuda, Takashi Kusaka
Organizer
44th annual Meeting Fetal and Neonatal Physiological Society
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[Presentation] Relationship Between Serum (ZZ)-bilirubin and Glucuronosyl Bilirubin In Preterm Infants At 1-month after Birth2016
Author(s)
Saneyuki Yasuda, Yinmon Htun, Aya Hashimoto, Masashiro Sugino, Kosuke Koyano, Shinji Nakamura, Sonoko Kondo, Hitoshi Okada, Takashi Kusaka
Organizer
12th Asian Society for Pediatric Research and Faculty of Medicine Ramathibodi Hospital Joint Meeting
Place of Presentation
Thailand, Bangkok, The Sukosol Hotel
Year and Date
2016-11-10
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