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Dive into the research topics where Yoshikazu Hirota is active.

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Featured researches published by Yoshikazu Hirota.


Journal of Immunological Methods | 1980

A simple method for detecting cells producing antibodies of specific immunoglobulin classes in the chicken

Yoshikazu Hirota; Olli Vainio; Takashi Sawada; Yukio Bito

A simple plaque method for detecting cells producing antibodies of specific immunoglobulin class in the chicken is described. This method is based upon the inability of chicken antibody to activate guinea-pig complement. IgM- and IgG-specific plaque-forming cells in the spleen of chickens immunized with sheep red blood cells were detected using guinea-pig complement and rabbit anti-chicken-mu- or gamma-chain serum. The specificity of the immunoglobulin class of plaques was confirmed by the abolition of class-specific hemolytic plaques after treatment of the lymphoid cells with rabbit antisera specific for chicken heavy chains in the presence of guinea-pig complement. The method is very simple and rapid, and IgM and IgG specific plaques are reliably detected.


Journal of Veterinary Medical Science | 2002

Immunostimulating and Growth-Promoting Effects of Sugar Cane Extract (SCE) in Chickens

Moshira El-Abasy; Maki Motobu; Kameo Shimura; Ki-Jeong Na; Chung-Boo Kang; Kenji Koge; Takashi Onodera; Yoshikazu Hirota


Journal of Veterinary Medical Science | 2003

Protective Effects of Sugar Cane Extracts (SCE) on Eimeria tenella Infection in Chickens

Moshira El-Abasy; Maki Motobu; Ki-Jeong Na; Kameo Shimura; Kikuyasu Nakamura; Kenji Koge; Takashi Onodera; Yoshikazu Hirota


International Immunopharmacology | 2004

Preventive and therapeutic effects of sugar cane extract on cyclophosphamide-induced immunosuppression in chickens.

Moshira El-Abasy; Maki Motobu; Kikuyasu Nakamura; Kenji Koge; Takashi Onodera; Olli Vainio; Paavo Toivanen; Yoshikazu Hirota


Journal of Veterinary Medical Science | 2003

Adjuvant effects of sugar cane extracts (SCE) in chickens.

Moshira El-Abasy; Maki Motobu; Toshiya Sameshima; Kenji Koge; Takashi Onodera; Yoshikazu Hirota


International Immunopharmacology | 2004

Immunostimulating effects of sugar cane extract on X-ray radiation induced immunosuppression in the chicken

Said A. Amer; Ki-Jeong Na; Moshira El-Abasy; Maki Motobu; Yukari Koyama; Kenji Koge; Yoshikazu Hirota


Archive | 2001

Prophylactic and therapeutic drug against diseases of human or animal caused by coccidium and adjuvant drug for immunity of human or animal against light coccidium infection

Kenji Furuya; Yoshikazu Hirota; Takeo Mizutani; Kikuyasu Nakamura; Kameo Shimura; 菊保 中村; 健二 古家; 良和 廣田; 亀夫 志村; 武雄 水谷


Archive | 2003

Radiation injury-inhibiting agent, and food and fodder containing radiation injury-inhibiting agent

Tadashi Ehashi; Kenji Furuya; Yoshikazu Hirota; 健二 古家; 好和 廣田; 正 江橋


International Immunopharmacology | 2004

Erratum to “Preventive and therapeutic effects of sugar cane extract on cyclophosphamide-induced immunosuppression in chickens” [International Immunopharmacology 418 (2004) 983–990]

Moshira El-Abasy; Maki Motobu; Kikuyasu Nakamura; Kenji Koge; Takashi Onodera; Olli Vainio; Paavo Toivanen; Yoshikazu Hirota


Bulletin of the University of Osaka Prefecture. Ser. B, Agriculture and biology | 1980

Diverse Influences of Treatment of Neonatal Chickens with Testosterone-propionate on Humoral Immune Responses

Yoshikazu Hirota; Yukio Bito

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Ki-Jeong Na

Agricultural Research Organization

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Chung-Boo Kang

Gyeongsang National University

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Kameo Shimura

National Agriculture and Food Research Organization

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Kikuyasu Nakamura

Agricultural Research Organization

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