Kentaro Masujin

Profile Information

Affiliation: Exotic Disease Group, Division of Transboundary Animal Disease Research, National Agriculture and Food Research Organization

J-GLOBAL ID: 201701021160095570
researchmap Member ID: B000278793

Research Interests

Research Areas

Life sciences / Veterinary medicine /

Papers

Quantitative analysis of viremia and viral shedding in pigs infected experimentally with classical swine fever virus isolates obtained from recent outbreaks in Japan

Katsuhiko Fukai, Tatsuya Nishi, Kentaro Masujin, Manabu Yamada, Mitsutaka Ikezawa

Veterinary Research, 54(1), Sep 27, 2023
Development of a Novel Indirect ELISA for the Serological Diagnosis of African Swine Fever Using p11.5 Protein as a Target Antigen

Mizuki Watanabe, Tomoya Kitamura, Koji Nagata, Mitsutaka Ikezawa, Ken-ichiro Kameyama, Kentaro Masujin, Takehiro Kokuho

Pathogens, May, 2023
A Spontaneously Occurring African Swine Fever Virus with 11 Gene Deletions Partially Protects Pigs Challenged with the Parental Strain

Tomoya Kitamura, Kentaro Masujin, Reiko Yamazoe, Ken-ichiro Kameyama, Mizuki Watanabe, Mitsutaka Ikezawa, Manabu Yamada, Takehiro Kokuho

Viruses, 15(2) 311-311, Jan 22, 2023
Administration of the antiviral agent T-1105 fully protects pigs from foot-and-mouth disease infection

Tatsuya Nishi, Katsuhiko Fukai, Kentaro Masujin, Rie Kawaguchi, Mitsutaka Ikezawa, Manabu Yamada, Nozomi Nakajima, Takashi Komeno, Yousuke Furuta, Hiromi Sugihara …

Antiviral Research, 208 105425-105425, Dec, 2022
Usability of Immortalized Porcine Kidney Macrophage Cultures for the Isolation of ASFV without Affecting Virulence.

Ken-Ichiro Kameyama, Tomoya Kitamura, Kota Okadera, Mitsutaka Ikezawa, Kentaro Masujin, Takehiro Kokuho

Viruses, 14(8), Aug 16, 2022
Establishment and characterization of the immortalized porcine lung-derived mononuclear phagocyte cell line.

Takato Takenouchi, Kentaro Masujin, Shunichi Suzuki, Seiki Haraguchi, Kanae Hiramatsu, Takehiro Kokuho, Hirohide Uenishi

Frontiers in veterinary science, 9 1058124-1058124, 2022 Peer-reviewed
Isolation and immortalization of macrophages derived from fetal porcine small intestine and their susceptibility to porcine viral pathogen infections.

Takato Takenouchi, Kentaro Masujin, Ayako Miyazaki, Shunichi Suzuki, Michihiro Takagi, Takehiro Kokuho, Hirohide Uenishi

Frontiers in veterinary science, 9 919077-919077, 2022
An immortalized porcine macrophage cell line competent for the isolation of African swine fever virus.

Kentaro Masujin, Tomoya Kitamura, Ken -Ichiro Kameyama, Kota Okadera, Tatsuya Nishi, Takato Takenouchi, Hiroshi Kitani, Takehiro Kokuho

Scientific reports, 11(1) 4759-4759, Feb 26, 2021
Experimental infection of pigs with different doses of the African swine fever virus Armenia 07 strain by intramuscular injection and direct contact

Manabu YAMADA, Kentaro MASUJIN, Ken-ichiro KAMEYAMA, Reiko YAMAZOE, Takashi KUBO, Kei IWATA, Aiko TAMURA, Hiroyuki HIBI, Takayoshi SHIRATORI, Shunjiro KOIZUMI …

Journal of Veterinary Medical Science, 2020
Influence of Interspecies Transmission of Atypical Bovine Spongiform Encephalopathy Prions to Hamsters on Prion Characteristics.

Kohtaro Miyazawa, Kentaro Masujin, Yuichi Matsuura, Yoshifumi Iwamaru, Hiroyuki Okada

Frontiers in veterinary science, 7 94-94, 2020 Peer-reviewed
Experimental infection of pigs with a classical swine fever virus isolated in Japan for the first time in 26 years.

Kameyama KI, Nishi T, Yamada M, Masujin K, Morioka K, Kokuho T, Fukai K

The Journal of veterinary medical science, 81(9) 1277-1284, Jul, 2019 Peer-reviewed
Estimation of prion infectivity in tissues of cattle infected with atypical BSE by real time-quaking induced conversion assay.

Sawada K, Suzuki A, Yamasaki T, Iwamaru Y, Matsuura Y, Miyazawa K, Masujin K, Atarashi R, Horiuchi M

J Vet Med Sci, Apr 15, 2019 Peer-reviewed
Interspecies transmission to bovinized transgenic mice uncovers new features of a CH1641-like scrapie isolate.

Miyazawa K, Masujin K, Matsuura Y, Iwamaru Y, Yokoyama T, Okada H

Veterinary research, 49(1) 116, Nov, 2018 Peer-reviewed
Experimental Infection of Cattle With a Novel Prion Derived From Atypical H-Type Bovine Spongiform Encephalopathy

Hiroyuki Okada, Kentaro Masujin, Kohtaro Miyazawa, Yoshihumi Iwamaru, Morikazu Imamura, Yuichi Matsuura, Shozo Arai, Shigeo Fukuda, Yuichi Murayama, Takashi Yokoyama

VETERINARY PATHOLOGY, 54(6) 892-900, Nov, 2017 Peer-reviewed
Selective propagation of mouse-passaged scrapie prions with long incubation period from a mixed prion population using GT1-7 cells

Kohtaro Miyazawa, Kentaro Masujin, Hiroyuki Okada, Yuko Ushiki-Kaku, Yuichi Matsuura, Takashi Yokoyama

PLOS ONE, 12(6) e0179317, Jun, 2017 Peer-reviewed
Oral Transmission of L-Type Bovine Spongiform Encephalopathy Agent among Cattle

Hiroyuki Okada, Yoshifumi Iwamaru, Morikazu Imamura, Kohtaro Miyazawa, Yuichi Matsuura, Kentaro Masujin, Yuichi Murayama, Takashi Yokoyama

EMERGING INFECTIOUS DISEASES, 23(2) 284-287, Feb, 2017 Peer-reviewed
Transmission of atypical scrapie to homozygous ARQ sheep

Hiroyuki Okada, Kohtaro Miyazawa, Morikazu Imamura, Yoshifumi Iwamaru, Kentaro Masujin, Yuichi Matsuura, Takashi Yokoyama

JOURNAL OF VETERINARY MEDICAL SCIENCE, 78(10) 1619-1624, Oct, 2016 Peer-reviewed
Comparison of abnormal isoform of prion protein in prion-infected cell lines and primary-cultured neurons by PrPSc-specific immunostaining

Misaki Tanaka, Ai Fujiwara, Akio Suzuki, Takeshi Yamasaki, Rie Hasebe, Kentaro Masujin, Motohiro Horiuchi

JOURNAL OF GENERAL VIROLOGY, 97(8) 2030-2042, Aug, 2016 Peer-reviewed
Coexistence of two forms of disease-associated prion protein in extracerebral tissues of cattle infected with H-type bovine spongiform encephalopathy

Hiroyuki Okada, Kohtaro Miyazawa, Kentaro Masujin, Takashi Yokoyama

JOURNAL OF VETERINARY MEDICAL SCIENCE, 78(7) 1189-1193, Jul, 2016 Peer-reviewed
Erratum: Detection of atypical H-type bovine spongiform encephalopathy and discrimination of bovine prion strains by real-time quaking-induced conversion (Journal of Clinical Microbiology (2016) 54:3 (676-686))

Kentaro Masujin, Christina D. Orrú, Kohtaro Miyazawa, Bradley R. Groveman, Lynne D. Raymond, Andrew G. Hughson, Byron Caughey

Journal of Clinical Microbiology, 54(5) 1407, May 1, 2016 Peer-reviewed

Misc.

近年のアフリカ豚熱ワクチン開発について

北村知也, 舛甚賢太郎

畜産技術, (806), 2022
不死化豚腎由来マクロファージ細胞株での連続継代培養により取得したアフリカ豚熱ウイルスの豚に対する病原性とワクチン効果の検討

北村知也, 舛甚賢太郎, 亀山健一郎, 渡邉瑞季, 渡邉瑞季, 生澤充隆, 山田学, 國保健浩

日本ウイルス学会学術集会プログラム・予稿集(Web), 69th, 2022
海外病グループの紹介とアフリカ豚熱に関する研究について

北村知也, 亀山健一郎, 舛甚賢太郎

農村と都市をむすぶ, 71(10) 60-64, Oct, 2021
アフリカ豚熱ウイルスが効率よく増殖できる豚腎由来不死化マクロファージ細胞

舛甚賢太郎, 北村知也, 亀山健一郎, 岡寺康太, 西達也, 竹之内敬人, 木谷裕, 國保健浩

農研機構動物衛生研究部門成果情報(Web), 2021, 2021
迅速かつ高精度な豚熱ウイルス遺伝子検査法の開発

國保健浩, 舛甚賢太郎, 亀山健一郎, 岡寺康太, 北村知也

農研機構動物衛生研究部門成果情報(Web), 2020, 2020
迅速かつ高精度なASF(アフリカ豚熱)遺伝子検査法の開発

國保健浩, 舛甚賢太郎, 亀山健一郎, 岡寺康太, 北村知也

農研機構動物衛生研究部門成果情報(Web), 2019, 2019
Experimental infection with African swine fever virus Armenia 07 strain in pigs

Manabu Yamada, Kentaro Masujin, Ken-ichiro Kameyama, Reiko Yamazoe, Tatsuya Nishi, Kazuki Morioka, Katsuhiko Fukai, Makot Yamakawa

Proceedings of Japan Pig Veterinary Society, 72 8-15, Aug, 2018 Peer-reviewed
The outbreak situstion of African swine fever in Russia and East Europe countries

Kentaro Masujin, Ken-ichiro Kameyama, Manabu Yamada, Makoto Yamakawa

Proceedings of Japan Pig Veterinary Society, 72 1-7, Aug, 2018
変異型スクレイピーであるCH1641型は牛海綿状脳症(BSE)の起源ではない

宮澤光太郎, 舛甚賢太郎, 松浦裕一, 岩丸祥史, 横山隆, 岡田洋之

農研機構動物衛生研究部門成果情報(Web), 2018, 2018
H型非定型BSEから出現した新規BSE(BSE‐SW)の牛への伝達とその特徴

岡田洋之, 舛甚賢太郎, 宮澤光太郎, 岩丸祥史, 今村守一, 松浦裕一, 村山裕一, 横山隆

日本獣医学会学術集会講演要旨集, 160回 327-327, Aug, 2017
マウスでの増幅・維持が困難なスクレイピー株が培養細胞を用いて維持できる

宮澤光太郎, 舛甚賢太郎, 岡田洋之, 牛木(加来)祐子, 松浦裕一, 横山隆

農研機構動物衛生研究部門成果情報(Web), 2017, 2017
非定型スクレイピーのARQホモ接合遺伝子型羊への伝達

岡田洋之, 宮澤光太郎, 今村守一, 岩丸祥史, 舛甚賢太郎, 松浦裕一, 横山隆

日本獣医学会学術集会講演要旨集, 159回 325-325, Aug, 2016
非定型牛海綿状脳症(BSE)プリオンから新たなBSEプリオンが出現する

舛甚賢太郎, 岡田洋之, 宮澤光太郎, 松浦裕一, 今村守一, 岩丸祥史, 村山裕一, 横山隆

農研機構動物衛生研究部門成果情報(Web), 2016, 2016
L型非定型牛海綿状脳症(BSE)は牛に経口的に伝達される

岡田洋之, 岩丸祥史, 今村守一, 宮澤光太郎, 松浦裕一, 舛甚賢太郎, 村山裕一, 横山隆

農研機構動物衛生研究部門成果情報(Web), 2016, 2016
Ultra-sensitive detection of PrPSc of classical and atypical BSEs

Yuichi Murayama, Kentaro Masujin, Yoshifumi Iwamaru, Morikazu Imamura, Yuichi Matsuura, Kohtaro Miyazawa, Fumiko Ono, Hiroaki Shibata, Hiroyuki Okada, Takashi Yokoyama

PRION, 10 S17-S17, 2016
Transmission of experimental CH1641-like scrapie to bovine PrP overexpression mice

Kohtaro Miyazawa, Kentaro Masujin, Hiroyuki Okada, Yuichi Matsuura, Takashi Yokoyama

PRION, 10 S81-S82, 2016
Coexistence of classical and CH1641-like scrapie prions in experimentally scrapie-affected sheep

Kohtaro Miyazawa, Kentaro Masujin, Hiroyuki Okada, Yuichi Matsuura, Takashi Yokoyama

PRION, 9 S84-S84, Apr, 2015
亜臨界水処理による牛海綿状脳症(BSE)プリオンの不活化評価

村山裕一, 吉岡都, 岡田洋之, 高田依里, 舛甚賢太郎, 岩丸祥史, 下嵜紀子, 山村友昭, 横山隆, 毛利資郎 …

農研機構動物衛生研究所成果情報(Web), 2015, 2015
非定型BSEプリオンは異種動物への伝達により宿主域が変化する

岡田洋之, 舛甚賢太郎, 宮澤光太郎, 松浦裕一, 横山隆

農研機構動物衛生研究所成果情報(Web), 2015, 2015
Distribution of Abnormal Prion Protein in a Sheep affected with L-type Bovine Spongiform Encephalopathy (vol 149, pg 113, 2012)

Y. Matsuura, Y. Iwamaru, K. Masujin, M. Imamura, S. Mohri, T. Yokoyama, H. Okada

JOURNAL OF COMPARATIVE PATHOLOGY, 151(1) 135-135, Jul, 2014

Profile Information

Research Interests

Research Areas

Papers

Misc.

Menu

Coauthors