アフリカ諸国の食の化学物質汚染のサーベイランスとモニタリング法の開発

• 研究課題/領域番号: 24405004
• 研究種目: 基盤研究(B)
• 配分区分: 一部基金
• 応募区分: 海外学術
• 研究分野: 放射線・化学物質影響科学
• 研究機関: 北海道大学
• 研究代表者: 石塚 真由美 北海道大学, (連合)獣医学研究科, 教授 (50332474)
• 研究分担者: 池中 良徳 北海道大学, 大学院獣医学研究科, 准教授 (40543509)
• 研究期間 (年度): 2012-04-01 – 2015-03-31
• 研究課題ステータス: 完了 (2014年度)
• 配分額: 18,980千円 (直接経費: 14,600千円、間接経費: 4,380千円); 2014年度: 5,850千円 (直接経費: 4,500千円、間接経費: 1,350千円); 2013年度: 6,240千円 (直接経費: 4,800千円、間接経費: 1,440千円); 2012年度: 6,890千円 (直接経費: 5,300千円、間接経費: 1,590千円)
• キーワード: アフリカ / 環境汚染 / 産業動物 / 家畜 / 野生動物 / エジプト / ザンビア / ガーナ / 南アフリカ / エチオピア / ナイジェリア

研究成果の概要

アフリカはすでに、急激な開発による「副作用」を受け、化学物質の汚染は生態系の浄化作用では対処できない地域が顕在化している。我々の予備調査では、食肉や魚類の有害金属やDDTの濃度はWHO基準を超えており、アフリカ諸国の食の化学物質汚染の現状の把握は喫緊の問題となっている。本研究では、ザンビア、南アフリカ、ガーナ、エジプト、エチオピアにおける家畜を中心とした環境汚染の影響を明らかにし、環境汚染が食の安全やヒトの健康に及ぼすリスクについて報告した。

研究成果

• [雑誌論文] Mercury concentrations in primary feathers reflect pollutant exposure in discrete non-breeding grounds used by Short-tailed Shearwaters (2015)
  • 著者名/発表者名: Watanuki Y, Yamamoto T, Yamashita A, Ishii C, Ikenaka Y, Nakayama SMM, Ishizuka M, Suzuki Y, Niizuma Y, Meathrel CE, Phillips RA
  • 雑誌名: Journal of Ornithology 巻: inpress 号: 3 ページ: 847-850
  • DOI: 10.1007/s10336-015-1205-6
  • NAID: 120005768771
  • 査読あり / 謝辞記載あり
• [雑誌論文] Levels, potential sources and human health risk of polycyclic aromatic hydrocarbons (PAHs) in particulate matter (PM10) in Kumasi-Ghana (2015)
  • 著者名/発表者名: Bortey-Sam N, Ikenaka Y, Akoto O, Nakayama M.M.S, Yared YB, Baidoo E, Mizukawa H, Ishizuka M
  • 雑誌名: Environ Sci Pollut Res 巻: 22 号: 13 ページ: 160-167
  • DOI: 10.1007/s11356-014-4022-1
  • NAID: 120005768774
  • 査読あり / 謝辞記載あり
• [雑誌論文] Lead poisoning in children from townships in the vicinity of a lead-zinc mine in Kabwe, Zambia (2015)
  • 著者名/発表者名: Yabe J, Nakayama SMM, Ikenaka Y, Yohannes YB, Bortey-Sam N, Oroszlany B, Muzandu K, Choongo K, Kabalo AN, Ntapisha J, Mweene A, Umemura T, Ishizuka M
  • 雑誌名: Chemosphere 巻: 119 ページ: 941-947
  • DOI: 10.1016/j.chemosphere.2014.09.028
  • NAID: 120005603796
  • 査読あり / 謝辞記載あり
• [雑誌論文] TCDD-induced chick cardiotoxicity is abolished by a selective cyclooxygenase-2 (COX-2) inhibitor NS398 (2014)
  • 著者名/発表者名: Fujisawa N, Nakayama SMM, Ikenaka Y, Ishizuka M
  • 雑誌名: Arch. Toxicol 巻: 88 号: 9 ページ: 1739-1748
  • DOI: 10.1007/s00204-014-1225-7
  • NAID: 120005649117
  • 査読あり / 謝辞記載あり
• [雑誌論文] Occurrence, distribution, sources and toxic potential of polycyclic aromatic hydrocarbons (PAHs) in surface soils from the Kumasi Metropolis, Ghana (2014)
  • 著者名/発表者名: Bortey-Sam N, Ikenaka Y, Nakayama SMM, Akoto O, Yohannes YB, Baidoo E, Mizukawa H, Ishizuka M
  • 雑誌名: Sci Total Environ 巻: 496 ページ: 471-478
  • DOI: 10.1016/j.scitotenv.2014.07.071
  • NAID: 120005496513
  • 査読あり / 謝辞記載あり
• [雑誌論文] Organochlorine pesticides in bird species and their prey (fish) from the Ethiopian Rift Valley region, Ethiopia. (2014)
  • 著者名/発表者名: Yohannes YB, Ikenaka Y, Nakamyama SMM, Ishizuka M
  • 雑誌名: Environmental Pollution 巻: 192 ページ: 121-128
  • DOI: 10.1016/j.envpol.2014.05.007
  • NAID: 120005476098
  • 査読あり / 謝辞記載あり
• [雑誌論文] Concentrations and human health risk assessment of organochlorine pesticides in edible fish species from a Rift Valley Lake-Lake Ziway, Ethiopia (2014)
  • 著者名/発表者名: Yohannes YB, Ikenaka Y, Saengtienchai A, Watanabe KP, Nakamyama SMM, Ishizuka M
  • 雑誌名: Ecotoxicol. Environ. Saf. 巻: 106 ページ: 121-128
  • DOI: 10.1016/j.ecoenv.2014.04.014
  • NAID: 120005468140
  • 査読あり
• [雑誌論文] Distribution of heavy metals in organs of sheep and goat reared in Obuasi: A gold mining town in Ghana (2014)
  • 著者名/発表者名: Akoto O, Bortey-Sam N, Nakayama SMM, Ikenaka Y, Baidoo E, Yohannes YB, Mizukawa H, Ishizuka M
  • 雑誌名: Int. J. Environ. Sci. Toxic 巻: 2 ページ: 81-89
  • 査読あり / オープンアクセス
• [雑誌論文] Molecular characterization and mRNA expression of cytochrome P450 1A1 and cytochrome P450 3A in liver of Kafue Lechwe (Kobus leche kafuensis) as potential biomarkers of pollution of the Kafue River basin, Zambia. (2014)
  • 著者名/発表者名: M’kandawire E, Syakalima M, Muzandu K, Pandey G, Simuunza M, Nakayama SMM, Kawai YK, Ikenaka Y, Ishizuka M.
  • 雑誌名: Engineering 巻: 印刷中 号: 02 ページ: 51-58
  • DOI: 10.4236/eng.2014.62008
  • 査読あり
• [雑誌論文] The effect of copper on the mRNA expression profile of xenobiotic-metabolizing enzymes in cultured rat H4-II-E cells. (2014)
  • 著者名/発表者名: Darwish WS, Ikenaka Y, Nakayama SMM, Ishizuka M.
  • 雑誌名: Biol Trace Elem Res 巻: (印刷中) 号: 2 ページ: 51-58
  • DOI: 10.1007/s12011-014-9915-9
  • 査読あり
• [雑誌論文] An Overview on Mycotoxin Contamination of Foods in Africa (2014)
  • 著者名/発表者名: Darwish WS, Ikenaka Y, Nakayama SMM, Ishizuka M
  • 雑誌名: Ｔｈｅ Ｊｏｕｒｎａｌ ｏｆ Ｖｅｔｅｒｉｎａｒｙ Ｍｅｄｉｃａｌ Ｓｃｉｅｎｃｅ 巻: 76 号: 6 ページ: 789-797
  • DOI: 10.1292/jvms.13-0563
  • NAID: 130003391291
  • ISSN: 0916-7250, 1347-7439
  • 査読あり / オープンアクセス
• [雑誌論文] Toxicokinetics and tissue depletion of Fusarenon-X and its metabolite nivalenol in piglets (2014)
  • 著者名/発表者名: Saengtienchai T, Poapolathep S, Isariyodom S, Ikenaka Y, Ishizuka M, Poapolathep A
  • 雑誌名: Food Chem Toxicoｌ 巻: 66C ページ: 307-312
  • DOI: 10.1016/j.fct.2014.01.053
  • 査読あり / 謝辞記載あり
• [雑誌論文] Distribution of heavy metals in organs of sheep and goat reared in Obuasi: A gold mining town in Ghana. (2014)
  • 著者名/発表者名: Akoto O, Bortey-Sam N, Nakayama SMM, Ikenaka Y, Baidoo E, Yohannes YB, Mizukawa H, Ishizuka M.
  • 雑誌名: Int. J. Environ. Sci. Toxic. 巻: 印刷中
  • 査読あり
• [雑誌論文] Occurrence, distribution and ecological risk assessment of DDTs and heavy metals in surface sediments from Lake Awassa; Ethiopian Rift Valley Lake. (2013)
  • 著者名/発表者名: Yohannes YB, Ikenaka Y, Saengtienchai A, Watanabe KP, Nakamyama SMM, Ishizuka M.
  • 雑誌名: Environ Sci Pollut Res 巻: 20 号: 12 ページ: 8663-8671
  • DOI: 10.1007/s11356-013-1821-8
  • 査読あり
• [雑誌論文] Accumulation and biological effects of metals in wild rats in mining areas of Zambia. (2013)
  • 著者名/発表者名: Nakayama SMM, Ikenaka Y, Hamada K, Muzandu K, Choongo K, Yabe J, Umemura T, Ishizuka M
  • 雑誌名: Environmental Monitoring and Assessment 巻: in press 号: 6 ページ: 4907-4918
  • DOI: 10.1007/s10661-012-2912-6
  • 査読あり
• [雑誌論文] Metal distribution in tissues of free-range chickens near a lead-zinc mine in Kabwe, Zambia (2013)
  • 著者名/発表者名: Yabe J, Nakayama SMM, Ikenaka Y, Muzandu K, Choongo K, Mainda G, Kabeta N, Ishizuka M, Umemura T
  • 雑誌名: Environ Toxicol Chem. 巻: 32 号: 1 ページ: 189-92
  • DOI: 10.1002/etc.2029
  • 査読あり
• [雑誌論文] Molecular evaluation of a new highly sensitive aryl hydrocarbon receptor in ostriches. (2013)
  • 著者名/発表者名: Fujisawa N, Darwish WS, Ikenaka Y, Kim E, Lee J, Iwata H, Nakayama SMM, Ishizuka M.
  • 雑誌名: Poultry Science 巻: (印刷中)
  • 査読あり
• [雑誌論文] Organochlorine pesticides and heavy metals in fish from Lake Awassa ; Ethiopia : Insights from stable isotope analysis. (2013)
  • 著者名/発表者名: Yared BY, Ikenaka Y, Nakayama SMM, Saengtienchai A, Watanabe K,
  • 雑誌名: Chemosphere 巻: (印刷中)
  • NAID: 120005295656
  • 査読あり
• [雑誌論文] GIS-based source estimation of Cu pollution in Lake Itezhi-tezhi and metal accumulation profiles in Oreochromis spp. from both field and laboratory studies. (2013)
  • 著者名/発表者名: Shouta M.M. Nakayama*, Yoshinori Ikenaka*, Kaampwe Muzandu, Kennedy Choongo, John Yabe, Taro Muroya, Shigeho Ijiri, Masao Minagawa, Takashi Umemura, Mayumi Ishizuka.
  • 雑誌名: Arch Environ Contam Toxicol. 巻: 64 号: 1 ページ: 119-29
  • DOI: 10.1007/s00244-012-9802-3
  • 査読あり
• [雑誌論文] Organochlorine pesticides and heavy metals in fish from Lake Awassa, Ethiopia : Insights from stable isotope analysis (2012)
  • 著者名/発表者名: Yared Beyene YOHANNES, et al.
  • 雑誌名: Chemosphere 巻: 91 号: 6 ページ: 857-863
  • DOI: 10.1016/j.chemosphere.2013.01.047
  • 査読あり
• [雑誌論文] Cytochrome P450 3A mRNA expression along goat and rat gastrointestinal tracts. (2012)
  • 著者名/発表者名: Dominic MUREITHI, Wageh Sobhy DARWISH, Yoshinori IKENAKA, Laetitia KANJA, Mayumi ISHIZUKA.
  • 雑誌名: Jpn. J. Vet. Res. 巻: 60 ページ: 205-210
  • NAID: 120005008268
  • 査読あり
• [雑誌論文] Accumulation of Metals in the Liver and Kidneys of Cattle from Agricultural Areas in Lusaka, Zambia (2012)
  • 著者名/発表者名: Yabe J, Nakayama SMM, Ikenaka Y, Muzandu K, Ishizuka M, Umemura T.
  • 雑誌名: Ｔｈｅ Ｊｏｕｒｎａｌ ｏｆ Ｖｅｔｅｒｉｎａｒｙ Ｍｅｄｉｃａｌ Ｓｃｉｅｎｃｅ 巻: 74 号: 10 ページ: 1345-1347
  • DOI: 10.1292/jvms.12-0142
  • NAID: 130001879835
  • ISSN: 0916-7250, 1347-7439
  • 査読あり
• [雑誌論文] The nucleotide sequence of metallothioneins (MT) in liver of the Kafue lechwe (Kobus leche kafuensis) and their potential as biomarkers of heavy metal pollution of the Kafue River. (2012)
  • 著者名/発表者名: M' kandawire E, Syakalima M, Muzandu K, Pandey G, Simuunza M, Nakayama SM, Kawai YK, Ikenaka Y, Ishizuka M
  • 雑誌名: Gene 巻: 506 ページ: 310-316
  • 査読あり
• [雑誌論文] Effects of environmental lead contamination on cattle in a lead/zinc mining area : changes in cattle immune systems on exposure to lead in vivo and in vitro. (2012)
  • 著者名/発表者名: Ikenaka Y, Nakayama SMM, Muroya T, Yabe J, Konnai S, Darwish WS, Muzandu K, Choongo K, Mainda G, Teraoka H, Umemura T, Ishizuka M.
  • 雑誌名: Environ Toxicol Chem. 巻: 31 号: 10 ページ: 2300-2305
  • DOI: 10.1002/etc.1951
  • 査読あり
• [雑誌論文] Metal and metalloid levels and bio-accumulation characteristics in soil, sediment, land plants and hippopotami (Hippopotamus amphibius L) from the South Luangwa National Park, Zambia (2012)
  • 著者名/発表者名: 中山翔太
  • 雑誌名: Ecotoxicology and Environmental Safety 巻: (印刷中) ページ: 333-338
  • DOI: 10.1016/j.ecoenv.2012.04.003
  • 査読あり
• [学会発表] 外来化学物質の代謝の種差 (2015)
  • 著者名/発表者名: 石塚真由美、中山翔太、水川葉月、池中良徳
  • 学会等名: 第31回日本毒性病理学シンポジウム
  • 発表場所: タワーホール船堀、東京
  • 年月日: 2015-01-29
  • 招待講演
• [学会発表] Distribution of toxic metals in free-range chicken, goat and sheep in Ghana and other African countries; and assessment of potential risks to human health through consumption (2014)
  • 著者名/発表者名: Nesta Bortey-Sam, Shouta M.M. Nakayama, Yoshinori Ikenaka, Yared Beyene Yohannes, Elvis Baidoo, Hazuki Mizukawa, Osei Akoto, Mayumi Ishizuka
  • 学会等名: SETAC North America 35th Annual Meeting
  • 発表場所: Vancouver Convention Centre, Vancouver, Canada
  • 年月日: 2014-11-09 – 2014-11-13
• [学会発表] Contamination status and biotransformation of organohalogen compounds in cats and dogs (2014)
  • 著者名/発表者名: Hazuki Mizukawa, Kei Nomiyama, Susumu Nakatsu, Akira Kubota, Hisato Iwata, Yoshinori Ikenaka, Shouta M.M. Nakayama, Shinsuke Tanabe, Mayumi Ishizuka
  • 学会等名: 12th International Symposium on Cytochrome P450 Biodiversity and Biotechnology
  • 発表場所: Conference Hall of the Kyoto International Foundation, Kyoto, Japan
  • 年月日: 2014-09-24 – 2014-09-28
• [学会発表] Mammalian interspecies differences in xenobiotic phase II reaction (2014)
  • 著者名/発表者名: Yoshinori Ikenaka, Saengtienchai Aksorn, Mayu Kakehi, Shouta M.M. Nakayama, Hazuki Mizukawa, Mayumi Ishizuka
  • 学会等名: 12th International Symposium on Cytochrome P450 Biodiversity and Biotechnology
  • 発表場所: Conference Hall of the Kyoto International Foundation, Kyoto, Japan
  • 年月日: 2014-09-24 – 2014-09-28
  • 招待講演
• [学会発表] Species differences of UDP-glucuronosyltransferases (UGTs) in Carnivores (2014)
  • 著者名/発表者名: Mayu Kakehi, Yoshinori Ikenaka, Shouta MM Nakayama, Hazuki Mizukawa,Kensuke P Watanabe, Kentaro Sakamoto, Akihiko Wada, Kaoru Hattori,Shinsuke Tanabe, Kei Nomiyama, Mayumi Ishizuka
  • 学会等名: 12th International Symposium on Cytochrome P450 Biodiversity and Biotechnology
  • 発表場所: Conference Hall of the Kyoto International Foundation, Kyoto, Japan
  • 年月日: 2014-09-24 – 2014-09-28
• [学会発表] アフリカのゴミ集積場における化学物質の汚染実態と生体への健康影響の評価：ナイロビのダンドラ地域における家畜の重金属汚染の例 (2014)
  • 著者名/発表者名: 中田北斗、中山翔太、水川葉月、池中良徳、石井千尋、ヨハンネス ヤレド ベイヤネ、ヤベジョン、今内覚、石塚真由美
  • 学会等名: 第157回日本獣医学会学術集会
  • 発表場所: 北海道大学 高等教育推進機構、北海道
  • 年月日: 2014-09-09 – 2014-09-12
• [学会発表] ニワトリにおけるDDTの汚染状況と臓器蓄積性の解析 (2014)
  • 著者名/発表者名: 伊藤玄悟、池中良徳、Beyene Yared、中山翔太、水川葉月、Vuren Johannes、Wepener Victor、Smit Nico、Wynand Vlok、石塚真由美
  • 学会等名: 第157回日本獣医学会学術集会
  • 発表場所: 北海道大学 高等教育推進機構、北海道
  • 年月日: 2014-09-09 – 2014-09-12
• [学会発表] Investigation of heavy metal contamination and assessment of impact on health in Dandora dumping site, Nairobi (2014)
  • 著者名/発表者名: Hokuto Nakata, Shouta M.M. Nakayama, Hazuki Mizukawa, Yoshinori Ikenaka, Chihiro Ishii, Yared Beyene Yohannes, John Yabe, Satoru Konnai, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Contamination status of organohalogen compounds and their metabolites in the blood of pet dogs and cats (2014)
  • 著者名/発表者名: Hazuki Mizukawa, Kei Nomiyama, Miyuki Yamamoto, Yoshinori Ikenaka, Shouta M.M. Nakayama, Shinsuke Tanabe, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Human and ecological health risk assessment of pesticides used for vector control: Current situation and problems of DDT use in Africa (2014)
  • 著者名/発表者名: Yoshinori Ikenaka, Yared Beyene Yohannes, Lesa Thompson, Shouta M.M. Nakayama, Hazuki Mizukawa, Johannes J. van Vuren, Victor Wepener, Nico J. Smit, Volk Wynand, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Effects of international land-based use of vector-control pesticides on a marine ecosystem: organochlorine analysis of fish from Maputo Bay, Mozambique (2014)
  • 著者名/発表者名: Lesa Thompson, Yoshinori Ikenaka, Yared Beyene Yohannes, Shouta M.M. Nakayama, Hazuki Mizukawa, Johannes J. van Vuren, Victor Wepener, Nico J. Smit, Volk Wynand, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Pb excretion in feces and urine of exposed children from polluted townships in Kabwe, Zambia (2014)
  • 著者名/発表者名: John Yabe, Shouta M.M. Nakayama, Yoshinori Ikenaka, Yared B Yohannes, Nesta Bortey-Sam, Balazs Oroszlany, Kaampwe Muzandu, Kennedy Choongo, Abel Nketani Kabalo, John Ntapisha, Aaron Mweene, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Health Risk Assessment of Heavy Metal Residues in Tissues of Cattle and Goats in Benin City, Nigeria (2014)
  • 著者名/発表者名: Emmanuel Temiotan Ogbomida, Isioma Tongo, Alex Ajeh Enuneku, Martins Oshioriamhe Ainerua, Shouta M.M. Nakayama, Nesta Bortey-Sam, Balazs Oroszlany, Lawrence Ikechukwu Ezemonye, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Distribution of heavy metals in organs of sheep and goat reared in Obuasi, a gold mining town in Ghana (2014)
  • 著者名/発表者名: Osei Akoto, Nesta Bortey-Sam, Shouta M.M. Nakayama, Yoshinori Ikenaka, Elvis Baidoo, Yared Beyene Yohannes, Hazuki Mizukawa, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Baseline levels and trophic transfer of organochlorine pesticidesic in biota from a sub tropical floodplain in Africa (2014)
  • 著者名/発表者名: Nico J. Smit, Johan J van Vuren, Claire Edwards, Jonathan Caramin, Lieven Bervoets, Mayumi Ishizuka, Yoshinori Ikenaka, Victor Wepener
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Comparison of the Olifants and Luvuvhu river aquatic food webs, potential food web disturbances and dietary patterns of Hydrocynus vittatus as revealed by stable isotope analyses (2014)
  • 著者名/発表者名: Ruan Gerber, Victor Wepener, Johan J van Vuren, Shouta M.M. Nakayama, Yoshinori Ikenaka, Mayumi Ishizuka, Nico Smit
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Aquatic toxicology of gold nanoparticles (nAu) in Danio rerio (2014)
  • 著者名/発表者名: Tarryn Lee Botha, Yoshinori Ikenaka, Shouta M.M. Nakayama, Mayumi Ishizuka, Victor Wepener
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] DDT in amphibians from the lower Phongola floodplain (2014)
  • 著者名/発表者名: Nico Wolmarans, Victor Wepener, Louis Du Preez, Mayumi Ishizuka, Yoshinori Ikenaka, Nico Smit
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Biomarkers of pollution in Synodontis zambesensis and Hydrocynus vittatus in the lower Pongola river and floodplain (2014)
  • 著者名/発表者名: Claire Michelle Edwards, Yoshinori Ikenaka, Yared Beyene Yohannes, Shouta M.M. Nakayama, Hazuki Mizukawa, Mayumi Ishizuka, Victor Wepener, Johan J van Vuren
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Antibiotics residues in different poultry meats marketed in Egypt (2014)
  • 著者名/発表者名: Wageh Sobhy Darwish, Yoshinori Ikenaka, Shouta Nakayama, Mayumi Ishizuka, Eldaly Elsaid, El-Abbasy Mohamed, El-Ghareeb Walid, Tharwat Ahmed, El-Desoky Kamal, Elged Mohamed
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] The impact of environmental stressors on biomarkers in Clarias gariepinus and Oreochromis mossambicus in Ndumo game reserve (2014)
  • 著者名/発表者名: Mary Tsono Mkhonto, Johan J van Vuren, Nico Smit, Yoshinori Ikenaka, Shouta M.M. Nakayama, Hazuki Mizukawa, Yared Beyene Yohannes, Mayumi Ishizuka
  • 学会等名: 6th International Toxicology Symposium in Africa
  • 発表場所: Johannesburg, South Africa
  • 年月日: 2014-08-29
• [学会発表] Environmental Pollution in African countries -Focus on metal and organochlorine pesticide-, International symposium on environmental pollution and food safety (2014)
  • 著者名/発表者名: Mayumi Ishizuka
  • 学会等名: International symposium on environmental pollution and food safety, Zagazig University
  • 発表場所: Zagazig, Egypt
  • 年月日: 2014-08-20
  • 招待講演
• [学会発表] ケニアの大規模ゴミ集積場・ダンドラ地域における家畜の化学物質汚染の実態と住民の健康影響評価 (2014)
  • 著者名/発表者名: 中田北斗、中山翔太、水川葉月、池中良徳、石井千尋、ヨハンネス ヤレド ベイヤネ、今内覚、石塚真由美
  • 学会等名: 第41回日本毒性学会学術年会
  • 発表場所: 神戸コンベンションセンター、兵庫
  • 年月日: 2014-07-02 – 2014-07-04
• [学会発表] ベクターコントロールのための薬剤散布の生態系およびヒト健康に与える影響評価 (2014)
  • 著者名/発表者名: 池中良徳、Yared Yohannes、中山翔太、水川葉月、van Vuren Johannes、Wepener Victor、Smit Nico、Wynand Vlok、石塚真由美
  • 学会等名: 第23回環境化学討論会
  • 発表場所: 京都大学
  • 年月日: 2014-05-14 – 2014-05-16
• [学会発表] アフリカのゴミ集積場における化学物質の汚染実態と生体への健康影響の評価：ナイロビのダンドラ地域における重金属汚染の例 (2014)
  • 著者名/発表者名: 中田北斗、中山翔太、水川葉月、池中良徳、石井千尋、ヨハンネス ヤレド ベイヤネ、今内覚、石塚真由美
  • 学会等名: 第23回環境化学討論会
  • 発表場所: 京都大学
  • 年月日: 2014-05-14 – 2014-05-16
• [学会発表] Quantification of Neonicotinoids in human urine using liquid chromatography/tandem mass spectrometry (2014)
  • 著者名/発表者名: Jemima Tiwaa Marfo, Yoshinori Ikenaka, Shouta M. M. Nakayama, Hazuki Mizukawa, Kumiko Taira, Kazutoshi Fujioka, Yoshiko Aoyama, Osei Akoto, Mayumi Ishizuka
  • 学会等名: 23rd Symposium on Environmental Chemistry
  • 発表場所: Kyoto University
  • 年月日: 2014-05-14 – 2014-05-16
• [学会発表] Residue levels and health risk assessment of organochlorine pesticides (OCPs) in domesticated animals from Egypt (2014)
  • 著者名/発表者名: Abdallah Fikry A. Mahmoud, Elsaid A. Eldaly, Alaa Eldin M.A. Morshdy, Yoshinori Ikenaka, Shouta Nakayama, Hazuki Mizukawa, Yared B. Yohannes, Waleed R. El-Ghareeb, Mohamed Tharwat El-Abbasy, Mayumi Ishizuka
  • 学会等名: 23rd Symposium on Environmental Chemistry
  • 発表場所: Kyoto University
  • 年月日: 2014-05-14 – 2014-05-16
• [学会発表] Lead pollution in the children in Kabwe mining area, Republic of Zambia (2014)
  • 著者名/発表者名: Shouta M.M. Nakayama，John Yabe，Yoshinori Ikenaka，Yared Beyene, Balazs Oroszlany, Nesta Bortey-Sam, Kaampwe Muzandu, Kennedy Choongo, Abel Kabalo, John Ntapisha, Aaron Mweene, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: 23rd Symposium on Environmental Chemistry
  • 発表場所: Kyoto University
  • 年月日: 2014-05-14 – 2014-05-16
• [学会発表] Health risk assessment of atmospheric polycyclic aromatic hydrocarbons in Kumasi-Ghana (2014)
  • 著者名/発表者名: Nesta Bortey-Sam, Yoshinori Ikenaka, Shouta M.M. Nakayama, Osei Akoto, Yared Beyene Yohannes, Hazuki Mizukawa, Mayumi Ishizuka
  • 学会等名: 23rd Symposium on Environmental Chemistry
  • 発表場所: Kyoto University
  • 年月日: 2014-05-14 – 2014-05-16
• [学会発表] Lead pollution in soil, domestic animals and children from townships near a lead-zinc mine in Kabwe, Zambia. (2014)
  • 著者名/発表者名: 32.Shouta M.M. Nakayama, John Yabe, Yoshinori Ikenaka, Yared B. Yohannes, Balazs Oroszlany, Nesta Bortey-Sam, Kaampwe Muzandu, Kennedy Choongo, Abel Nketani Kabalo, John Ntapisha, Aaron Mweene, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: SOT 53rd Annual Meeting
  • 発表場所: Phoenix Convention Center, USA
• [学会発表] Pb and Cd contaminated soil may cause metal accumulation and epigenetic alteration in rat tissues. (2014)
  • 著者名/発表者名: 33.Shouta M.M. Nakayama, Yoshinori Ikenaka, Yared B. Yohannes, Balazs Oroszlany, Nesta Bortey-Sam, Kaampwe Muzandu, John Yabe, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: SOT 53rd Annual Meeting
  • 発表場所: Phoenix Convention Center, USA
• [学会発表] アフリカ諸国における化学物質汚染 : 金属およびメタロイド汚染を中心に (2013)
  • 著者名/発表者名: 石塚真由美
  • 学会等名: 第59回トキシンシンポジウム
  • 発表場所: とかちプラザ(帯広市)
  • 年月日: 2013-08-30
• [学会発表] Incidence of Metals and Polycyclic Aromatic Hydrocarbons (PAHs) in Surface Soils from the Kumasi Metropolis, Ghana- GIS Based Approach. (2013)
  • 著者名/発表者名: Nesta Bortey-Sam, Osei Akoto, Yoshinori Ikenaka, Elvis Baidoo, Beyene Yared, Shouta M.M. Nakayama, Mayumi Ishizuka.
  • 学会等名: 第22回環境化学討論会
  • 発表場所: 東京農工大学、東京
• [学会発表] OCPs in Fish and Bird Species from a DDT Spraying and Agriculture Area in Ethiopia. (2013)
  • 著者名/発表者名: Yared B. Yohannes, Yoshinori Ikenaka, Shouta M.M. Nakayama, Mayumi Ishizuka.
  • 学会等名: 第22回環境化学討論会
  • 発表場所: 東京農工大学、東京
• [学会発表] Effects of Pb and Cd contaminated soil on metal accumulation and epigenetic alteration in rat, (2013)
  • 著者名/発表者名: Shouta M.M. Nakayama, Yoshinori Ikenaka, Kaampwe Muzandu, John Yabe, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: 第22回環境化学討論会
  • 発表場所: 東京農工大学、東京
• [学会発表] ガーナの金鉱山周辺（オブアシ自治区）におけるヒ素汚染と陸生哺乳類への毒性影響評価 (2013)
  • 著者名/発表者名: 大谷豪、池中良徳、中山翔太、Osei Akoto、Joseph Apau、Elvis Baidoo、石塚真由美
  • 学会等名: 第22回環境化学討論会
  • 発表場所: 東京農工大学、東京
• [学会発表] OCPs profiles in Birds and Their Prey from Ethiopian Rift Valley Region. (2013)
  • 著者名/発表者名: Yared B. Yohannes, Yoshinori Ikenaka, Shouta M.M. Nakayama, Mayumi Ishizuka
  • 学会等名: 6th SETAC Africa Conference
  • 発表場所: Intercontinental Hotel Lusaka, Lusaka, Zambia
• [学会発表] Lead poisoning in children from townships in the vicinity of a lead-zinc mine in Kabwe, Zambia. (2013)
  • 著者名/発表者名: John Yabe, Shouta M.M. Nakayama, Yoshinori Ikenaka, Yared B. Yohannes, Nesta Bortey-Sam, Balazs Oroszlany, Kaampwe Muzandu, Kennedy Choongo, John Ntapisha, Aaron Mweene, Abel Kabalo, Koji Arizono, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: 6th SETAC Africa Conference
  • 発表場所: Intercontinental Hotel Lusaka, Lusaka, Zambia
• [学会発表] Accumulation features of organochlorine pesticides in resident birds and their prey from Ethiopian Rift Valley Region. (2013)
  • 著者名/発表者名: Yared B. Yohannes, Yoshinori Ikenaka, Shouta M.M. Nakayama, Mayumi Ishizuka
  • 学会等名: SETAC North America 34th Annual Meeting
  • 発表場所: Gaylord Opryland Hotel and Convention Center （USA)
• [学会発表] poisoning in children from townships around a lead-zinc mine in Kabwe, Zambia. (2013)
  • 著者名/発表者名: Shouta M.M. Nakayama, John Yabe, Yoshinori Ikenaka, Kaampwe Muzandu, John Ntapisha, Aaron Mweene, Abel Kabalo, Takashi Umemura, Mayumi Ishizuka,
  • 学会等名: SETAC North America 34th Annual Meeting
  • 発表場所: Gaylord Opryland Hotel and Convention Center （USA)
• [学会発表] Accumulation characteristics of arsenic and metals in environmental samples and wild black rat (Rattus rattus) in gold mining area, Obuasi, Ghana. (2013)
  • 著者名/発表者名: Shouta M.M. Nakayama, Go Otani, Yoshinori Ikenaka, Yared B Yohannes, Osei Akoto，Joseph Apau，Elvis Baidoo, Mayumi Ishizuka
  • 学会等名: SETAC North America 34th Annual Meeting
  • 発表場所: Gaylord Opryland Hotel and Convention Center （USA)
• [学会発表] Pb and Cd contaminated soil may cause metal accumulation and epigenetic alteration in laboratory rat and wild black rat. (2013)
  • 著者名/発表者名: Shouta M.M. Nakayama, Yoshinori Ikenaka, Yared B. Yohannes, Balazs Oroszlany, Nesta Bortey-Sam, Kaampwe Muzandu, John Yabe, Takashi Umemura, Mayumi Ishizuka
  • 学会等名: SETAC North America 34th Annual Meeting
  • 発表場所: Gaylord Opryland Hotel and Convention Center （USA)
• [学会発表] Characteristics of phase II metabolism reaction in pig : Clear sulfation and sulfotransferase activity observed in pyrene. (2013)
  • 著者名/発表者名: Aksorn Saengtienchai, Yoshinori Ikenaka, Shouta M. M. Nakayama, Yusuke Kawai, Mayumi Ishizuka
  • 学会等名: The 155th Meeting of the Japanese Society of Vetenrinary Science
  • 発表場所: Tokyo University, Tokyo
• [学会発表] Metal contaminated soil from mining area caused accumulation and biological responses in rats -from field and laboratory studies - (2012)
  • 著者名/発表者名: Shouta M. M. Nakayama, Yoshinori Ikenaka, Kaampwe Muzandu, Kennedy Choongo, John
  • 学会等名: SETAC Asia/Pacific Annual Meeting 2012
  • 発表場所: ANA New Sky Hotel Kumamoto
  • 年月日: 2012-09-25
• [学会発表] Bioaccumulation levels of organochlorine pesticides in fish species from Ethiopian Rift Valley Lake Ziway, Ethiopia (2012)
  • 著者名/発表者名: Yared B. Yohannes, Yoshinori Ikenaka, Shouta M. M. Nakayama, Aksorn Saengtienchai, Kensuke Watanabe, Mayumi Ishizuka
  • 学会等名: SETAC Asia/Pacific Annual Meeting 2012
  • 発表場所: ANA New Sky Hotel Kumamoto
  • 年月日: 2012-09-25
• [学会発表] Metal contaminated soil from mining area caused metal accumulation and biological responses in rats -from field and laboratory studies- (2012)
  • 著者名/発表者名: Shouta M. M. Nakayama, Yoshinari Ikenaka, Kaampwe Muzandu, Kennedy Ghoongo, John Yabe, Takashi Umemura, Mayumi Ishizuka,
  • 学会等名: 4th International Toxicology Symposium in Africa
  • 発表場所: The University of Zambia, Lusaka, Zambia
  • 年月日: 2012-09-03
• [学会発表] Levels and Bioaccumulation of Organochlorine Pesticides in Fish Species from Lake Ziway, ETHIOPIA. (2012)
  • 著者名/発表者名: Yared B. Yohannes, Yoshinori IKENAKA, Kensuke WATANABE,
  • 学会等名: 21th symposium on Environmental Chemistry
  • 発表場所: Himegin Hole, Matsuyama
  • 年月日: 2012-07-12
• [備考] 北海道大学大学院獣医学研究科毒性学教室
  • URL: http://tox.vetmed.hokudai.ac.jp/