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1 Conference on Experimental Animal Histopathology
2 Department of Safety Research, Drug Safety Research,
Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno,
Kawauchi-cho, Tokushima 771-0192, Japan
1 Conference on Experimental Animal Histopathology
5 Biological Research Laboratories, Toxicology and
Environmental Science Department, Biological Research Laboratories, Nissan Chemical
Corporation, 1470 Shiraoka, Shiraoka-shi, Saitama 349-0294, Japan
1 Conference on Experimental Animal Histopathology
2 Department of Safety Research, Drug Safety Research,
Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno,
Kawauchi-cho, Tokushima 771-0192, Japan
3 Research Division, Fuji Gotemba Research Laboratories,
Chugai Pharmaceutical Co., Ltd., 1-135 Komakado, Gotemba, Shizuoka 412-8513, Japan
4 Ina Research Inc., 2148-188 Nishiminowa, Ina, Nagano
399-4501, Japan
5 Biological Research Laboratories, Toxicology and
Environmental Science Department, Biological Research Laboratories, Nissan Chemical
Corporation, 1470 Shiraoka, Shiraoka-shi, Saitama 349-0294, Japan
6 Preclinical Research Unit, Sumitomo Dainippon Pharma Co.,
Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
7 Discovery and Preclinical Research Division, Taiho
Pharmaceutical Co., Ltd., 3 Okubo, Tsukuba, Ibaraki 300-2611, Japan
8 Discovery Research Labs, Nippon Shinyaku Co., Ltd., 14
Nishinosho-Monguchi-cho, Kisshoin, Minami-ku, Kyoto 601-8550, Japan
9 Medicinal Safety Research Laboratories, Daiichi Sankyo Co.,
Ltd., 16-13 Kitakasai 1-Chome, Edogawa-ku, Tokyo 134-8630, Japan
10Laboratory of Pathology, Setsunan University, 45-1
Nagaotohge-cho, Hirakata, Osaka 573-0101, Japan
✉
*Corresponding author: T Moroki (e-mail: Moroki.Takayasu@otsuka.jp)
Received 2021 Jan 25; Accepted 2021 Jan 27; Issue date 2021 Apr.
This is an open-access article distributed under the terms of the Creative
Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0:
https://creativecommons.org/licenses/by-nc-nd/4.0/).
With the aim of sharing information about the technical aspects of immunohistochemistry
(IHC) and facilitating the selection of suitable antibodies for histopathological
examination, this technical report describes the results of a questionnaire distributed
during the period of 2018 to 2019 among members of the Conference on Experimental Animal
Histopathology. Additionally, it describes the immunological properties and supplier
details (clone, supplier, catalog number, species reactivity, etc.) as well as the IHC
staining conditions (fixing solution, fixing time, embedding, antigen retrieval method,
antibody dilution, incubation time, incubation temperature, positive control tissue,
blocking condition, secondary antibody information, etc.) for a total of 509 primary
antibodies (comprising 220 different types). These survey results were an update on the
contents reported by CEAH in 2017.
Immunohistochemistry (IHC) is a biochemical method that involves the utilization of an
antibody-based strategy for identifying a specific antigen, in order to understand the
distribution as well as localization of biomarkers and differentially expressed proteins in
different regions of a biological tissue1.
IHC is widely used for diagnostic interpretation and understanding of pathogenesis, whereby it
has become a routine tool for toxicological pathology. In 2017 (survey period: 2014 to 2015),
the IHC database summarized various IHC staining conditions, as reported by the Conference on
Experimental Animal Histopathology (CEAH), which includes 89 research institutes—such as
pharmaceutical companies, chemical companies, universities, public research institutes, and
contract research organizations—involved in experimental animal pathological research in Japan
and Korea2. Since the IHC database is of
particular significance to pathologists, it is important to provide the latest information on
IHC and to revise the discontinued antibodies or changes in supplier name. Therefore, a
questionnaire about IHC was distributed during the period of 2018 to 2019 among members of the
CEAH, and the database was updated based on its results. In addition, blocking condition
information has been added to this updated database.
The authors declare that they have no potential conflicts of interest.
Acknowledgments
The authors would like to thank the cooperating research institutes, part of the CEAH, for
generously providing the data.
References
1.Ramos-Vara JA, and Miller MA. When tissue antigens and antibodies get along: revisiting
the technical aspects of immunohistochemistry--the red, brown, and blue
technique. Vet Pathol. 51:
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2.Furukawa S, Nagaike M, and Ozaki K. Databases for technical aspects of
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[DOI] [PMC free article] [PubMed] [Google Scholar]
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