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Fumio Tsuda

Fumio Tsuda

D-Index & Metrics

Immunology

D-Index
77
Citations
22304
World Ranking
1815
National Ranking
68

Medicine

D-Index
77
Citations
22363
World Ranking
18407
National Ranking
591

Overview

Fumio Tsuda is a researcher affiliated with Toshiba in Japan, whose work spans several fields within the life sciences. Their research primarily focuses on biochemistry, genetics, and molecular biology, with specific interests in molecular biology and pathology and forensic medicine as subfields. Tsuda's investigations also cover key topics such as phytochemical compounds biological activities, phytoestrogen effects and research, and natural product bioactivities and synthesis.

Their publication record includes contributions to both scientific journals and collaborative research efforts. Tsuda has published work in venues such as Jurnal Veterinar Malaysia, a journal where the researcher's study on phytochemicals was featured.

Among their documented research papers is one titled "Inhibitory effects of Tongkat Ali (Eurycoma longifolia) extract on lighting stress induced sleep disorders in pigs," published in 2021 in the Jurnal Veterinar Malaysia. This research explores the biological impact of natural extracts on stress-related physiological conditions.

Tsuda's frequent collaborators include Yûzô Kuroki, F. Tawara, and S. Tsumagari. These collaborations reflect a network of researchers focused on related biochemical and medical fields, supporting multidisciplinary approaches to complex biological questions.

The scientist's work is situated at the intersection of natural product research and molecular biology, contributing to the understanding of natural compounds and their biological effects. This includes the study of phytoestrogens and other bioactive substances derived from plants, which have roles in both health and disease contexts.

  • Main fields of study: Biochemistry, Genetics and Molecular Biology; Medicine
  • Subfields of study: Molecular Biology; Pathology and Forensic Medicine
  • Main topics of work: Phytochemical compounds biological activities; Phytoestrogen effects and research; Natural product bioactivities and synthesis
  • Publication venues: Jurnal Veterinar Malaysia
  • Frequent co-authors: Yûzô Kuroki; F. Tawara; S. Tsumagari
  • Recent papers: Inhibitory effects of Tongkat Ali (Eurycoma longifolia) extract on lighting stress induced sleep disorders in pigs (2021) in Jurnal Veterinar Malaysia

Best Publications

  • Typing Hepatitis B Virus by Homology in Nucleotide Sequence: Comparison of Surface Antigen Subtypes

    Hiroaki Okamoto;Fumio Tsuda;Hiroshi Sakugawa;Retno I. Sastrosoewignjo

  • Typing hepatitis C virus by polymerase chain reaction with type-specific primers: application to clinical surveys and tracing infectious sources.

    Hiroaki Okamoto;Yasushi Sugiyama;Shunichi Okada;Kiyohiko Kurai

  • Full-length sequence of a hepatitis C virus genome having poor homology to reported isolates: comparative study of four distinct genotypes.

    Hiroaki Okamoto;Kiyohiko Kurai;Shun-Ichi Okada;Kayoko Yamamoto

  • Hepatitis B virus with mutations in the core promoter for an e antigen-negative phenotype in carriers with antibody to e antigen.

    H Okamoto;F Tsuda;Y Akahane;Y Sugai

  • The 5'-terminal sequence of the hepatitis C virus genome.

    Okamoto H;Okada S;Sugiyama Y;Yotsumoto S

  • Hepatitis B viruses with precore region defects prevail in persistently infected hosts along with seroconversion to the antibody against e antigen.

    H Okamoto;S Yotsumoto;Y Akahane;T Yamanaka

  • Hepatitis C virus infection in medical personnel after needlestick accident

    Takehiro Mitsui;Keiko Iwano;Kazuo Masuko;Chikao Yamazaki

  • Infection with Hepatitis GB Virus C in Patients on Maintenance Hemodialysis

    Kazuo Masuko;Takehiro Mitsui;Keiko Iwano;Chikao Yamazaki

  • Fecal excretion of a nonenveloped DNA virus (TTV) associated with posttransfusion non-A-G hepatitis

    Hiroaki Okamoto;Yoshihiro Akahane;Masato Ukita;Masako Fukuda

  • Hepatitis B virus strains with mutations in the core promoter in patients with fulminant hepatitis.

    Shunichi Sato;Kazuyuki Suzuki;Yoshihiro Akahane;Koichi Akamatsu

  • Serological detection of hepatitis B virus genotypes by ELISA with monoclonal antibodies to type-specific epitopes in the preS2-region product.

    Sadakazu Usuda;Hiroaki Okamoto;Hiroko Iwanari;Kiyoshi Baba

  • Naturally occurring escape mutants of hepatitis B virus with various mutations in the S gene in carriers seropositive for antibody to hepatitis B surface antigen.

    K Yamamoto;M Horikita;F Tsuda;K Itoh

  • Marked genomic heterogeneity and frequent mixed infection of TT virus demonstrated by PCR with primers from coding and noncoding regions.

    Hiroaki Okamoto;Masaharu Takahashi;Tsutomu Nishizawa;Masato Ukita

  • Fulminant hepatitis B: Induction by hepatitis B virus mutants defective in the precore region and incapable of encoding E antigen

    Yoshitane Kosaka;Kohjiro Takase;Mineo Kojima;Masaru Shimizu

  • Swine hepatitis E virus strains in Japan form four phylogenetic clusters comparable with those of Japanese isolates of human hepatitis E virus.

    Masaharu Takahashi;Tsutomu Nishizawa;Haruko Miyajima;Yuhko Gotanda

  • A synthetic peptide vaccine involving the product of the pre-S(2) region of hepatitis B virus DNA: protective efficacy in chimpanzees

    Yukio Itoh;Emiko Takai;Hitoshi Ohnuma;Kohji Kitajima

  • Point mutation in the S gene of hepatitis B virus for a d/y or w/r subtypic change in two blood donors carrying a surface antigen of compound subtype adyr or adwr.

    H Okamoto;M Imai;F Tsuda;T Tanaka

  • Non-A, non-B hepatitis specific antibodies directed at host-derived epitope: implication for an autoimmune process

    S. Mishiro;Y. Hoshi;A. Yoshikawa;T. Gotanda

  • Possible risk factors for the transmission of hepatitis E virus and for the severe form of hepatitis E acquired locally in Hokkaido, Japan

    Hitoshi Mizuo;Yasuyuki Yazaki;Kenji Sugawara;Fumio Tsuda

  • Hepatitis C virus variants from Vietnam are classifiable into the seventh, eighth, and ninth major genetic groups.

    Hajime Tokita;Hiroaki Okamoto;Fumio Tsuda;Pham Song

Frequent Co-Authors

Hiroaki Okamoto
Hiroaki Okamoto Jichi Medical University
Makoto Mayumi
Makoto Mayumi Jichi Medical University
Takeshi Tanaka
Takeshi Tanaka Texas Medical Center
Yuzo Miyakawa
Yuzo Miyakawa Miyakawa Memorial Research Foundation
Masaharu Takahashi
Masaharu Takahashi Chiba University
Shunji Mishiro
Shunji Mishiro Toshiba (Japan)
Kendo Kiyosawa
Kendo Kiyosawa Shinshu University
Shiro Iino
Shiro Iino St. Marianna University School of Medicine
Norio Hayashi
Norio Hayashi Osaka University
Michio Imamura
Michio Imamura Hiroshima University

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