World's Best Scientists 2026 revealed!
Masahiro Kobayashi

Masahiro Kobayashi

D-Index & Metrics

Microbiology

D-Index
74
Citations
23577
World Ranking
1550
National Ranking
39

Medicine

D-Index
75
Citations
24566
World Ranking
19044
National Ranking
609

Overview

Masahiro Kobayashi is affiliated with Toranomon Hospital in Japan and conducts research primarily in the fields of Medicine and Physics and Astronomy. Their work spans several subfields including Radiology, Nuclear Medicine and Imaging, Atomic and Molecular Physics and Optics, Materials Chemistry, Electrical and Electronic Engineering, and Pulmonary and Respiratory Medicine.

Their recent research outputs include studies on advanced MRI techniques, contrast agent retention in human tissues, and materials characterization. Notable publications by Kobayashi are:

  • Comparison of Human Tissue Gadolinium Retention and Elimination between Gadoteridol and Gadobenate, 2021, Radiology
  • Fabrication and characterization of a periodically-inverted AlGaAs double-heterostructure p-i-n diode, 2020, Extended Abstracts of the 2020 International Conference on Solid State Devices and Materials

Other related works found in the dataset include:

  • Human Hair as a Possible Surrogate Marker of Retained Tissue Gadolinium, 2020, Investigative Radiology
  • Variability in hair gadolinium concentrations among decedents who received gadolinium-based contrast agents, 2021, Analytical and Bioanalytical Chemistry
  • Experimental Validation of Collision-Radiation Dataset for Molecular Hydrogen in Plasmas, 2024, arXiv (Cornell University)

The main topics covered in Kobayashi's research comprise advanced MRI techniques and applications, lanthanide and transition metal complexes, medical imaging techniques, cerebrovascular and carotid artery diseases, facial rejuvenation and surgery techniques, heavy metal exposure and toxicity, and breast implant and reconstruction.

  • Advanced MRI Techniques and Applications
  • Lanthanide and Transition Metal Complexes
  • Medical Imaging Techniques and Applications
  • Cerebrovascular and Carotid Artery Diseases
  • Facial Rejuvenation and Surgery Techniques
  • Heavy Metal Exposure and Toxicity
  • Breast Implant and Reconstruction

Kobayashi collaborates frequently with several researchers. Among their frequent coauthors are:

  • Makoto Hasegawa
  • Desiree A. Marshall
  • Luis F. Gonzalez-Cuyar
  • Brianne R. Duncan
  • Michael Paulsen

The scientist's publications appear in journals and venues such as Radiology, Investigative Radiology, Analytical and Bioanalytical Chemistry, the Extended Abstracts of the 2020 International Conference on Solid State Devices and Materials, and arXiv.

Best Publications

  • Gene Expression in Fixed Tissues and Outcome in Hepatocellular Carcinoma

    Yujin Hoshida;Augusto Villanueva;Masahiro Kobayashi;Judit Peix

  • Integrative transcriptome analysis reveals common molecular subclasses of human hepatocellular carcinoma.

    Yujin Hoshida;Sebastian M.B. Nijman;Sebastian M.B. Nijman;Masahiro Kobayashi;Jennifer A. Chan;Jennifer A. Chan

  • Phase Ib Study of Lenvatinib Plus Pembrolizumab in Patients With Unresectable Hepatocellular Carcinoma

    Richard S. Finn;Masafumi Ikeda;Andrew X. Zhu;Max W. Sung

  • Long‐term entecavir treatment reduces hepatocellular carcinoma incidence in patients with hepatitis B virus infection

    Tetsuya Hosaka;Fumitaka Suzuki;Masahiro Kobayashi;Yuya Seko

  • Effect of interferon therapy on hepatocellular carcinogenesis in patients with chronic hepatitis type C: A long-term observation study of 1,643 patients using statistical bias correction with proportional hazard analysis.

    Kenji Ikeda;Satoshi Saitoh;Yasuji Arase;Kazuaki Chayama

  • Disease progression and hepatocellular carcinogenesis in patients with chronic viral hepatitis: a prospective observation of 2215 patients

    Kenji Ikeda;Satoshi Saitoh;Yoshiyuki Suzuki;Masahiro Kobayashi

  • Emergence and takeover of YMDD motif mutant hepatitis B virus during long-term lamivudine therapy and re-takeover by wild type after cessation of therapy

    Kazuaki Chayama;Yoshiyuki Suzuki;Masahiro Kobayashi;Mizuho Kobayashi

  • Interferon beta prevents recurrence of hepatocellular carcinoma after complete resection or ablation of the primary tumor—A prospective randomized study of hepatitis C virus–related liver cancer

    Kenji Ikeda;Yasuji Arase;Satoshi Saitoh;Masahiro Kobayashi

  • Combining clinical, pathology, and gene expression data to predict recurrence of hepatocellular carcinoma.

    Augusto Villanueva;Augusto Villanueva;Yujin Hoshida;Yujin Hoshida;Carlo Battiston;Victoria Tovar;Victoria Tovar

  • The long term efficacy of glycyrrhizin in chronic hepatitis C patients

    Unknown

  • Ectopic lymphoid structures function as microniches for tumor progenitor cells in hepatocellular carcinoma

    Shlomi Finkin;Detian Yuan;Ilan Stein;Koji Taniguchi

  • Predictive factors of early and sustained responses to peginterferon plus ribavirin combination therapy in Japanese patients infected with hepatitis C virus genotype 1b: Amino acid substitutions in the core region and low-density lipoprotein cholesterol levels

    Norio Akuta;Fumitaka Suzuki;Yusuke Kawamura;Hiromi Yatsuji

  • Association of Amino Acid Substitution Pattern in Core Protein of Hepatitis C Virus Genotype 1b High Viral Load and Non-Virological Response to Interferon-Ribavirin Combination Therapy

    Norio Akuta;Fumitaka Suzuki;Hitomi Sezaki;Yoshiyuki Suzuki

  • Amino acid substitution in hepatitis C virus core region and genetic variation near the interleukin 28B gene predict viral response to telaprevir with peginterferon and ribavirin

    Norio Akuta;Fumitaka Suzuki;Miharu Hirakawa;Yusuke Kawamura

  • Sustained virological response reduces incidence of onset of type 2 diabetes in chronic hepatitis C

    Yasuji Arase;Fumitaka Suzuki;Yoshiyuki Suzuki;Norio Akuta

  • Large-scale long-term follow-up study of Japanese patients with non-alcoholic Fatty liver disease for the onset of hepatocellular carcinoma.

    Yusuke Kawamura;Yasuji Arase;Kenji Ikeda;Yuya Seko

  • Pretreatment virus load and multiple amino acid substitutions in the interferon sensitivity–determining region predict the outcome of interferon treatment in patients with chronic genotype 1b hepatitis C virus infection

    K Chayama;A Tsubota;M Kobayashi;K Okamoto

  • Interferon decreases hepatocellular carcinogenesis in patients with cirrhosis caused by the hepatitis B virus: a pilot study.

    Kenji Ikeda;Satoshi Saitoh;Yoshiyuki Suzuki;Masahiro Kobayashi

  • Effect of type 2 diabetes on risk for malignancies includes hepatocellular carcinoma in chronic hepatitis C.

    Yasuji Arase;Mariko Kobayashi;Fumitaka Suzuki;Yoshiyuki Suzuki

  • REFLECT—a phase 3 trial comparing efficacy and safety of lenvatinib to sorafenib for the treatment of unresectable hepatocellular carcinoma: an analysis of Japanese subset

    Tatsuya Yamashita;Masatoshi Kudo;Kenji Ikeda;Namiki Izumi

  • Long-term continuous entecavir therapy in nucleos(t)ide-naïve chronic hepatitis B patients

    Atsushi Ono;Fumitaka Suzuki;Yusuke Kawamura;Hitomi Sezaki

  • Molecular Liver Cancer Prevention in Cirrhosis by Organ Transcriptome Analysis and Lysophosphatidic Acid Pathway Inhibition

    Shigeki Nakagawa;Shigeki Nakagawa;Lan Wei;Won Min Song;Takaaki Higashi;Takaaki Higashi

Frequent Co-Authors

Hiromitsu Kumada
Hiromitsu Kumada Fukuoka University
Yoshiyuki Suzuki
Yoshiyuki Suzuki Fukushima Medical University
Yasuji Arase
Yasuji Arase University of Yamanashi
Kenji Ikeda
Kenji Ikeda University of California, San Francisco
Fumitaka Suzuki
Fumitaka Suzuki Toranomon Hospital
Satoshi Saitoh
Satoshi Saitoh Toranomon Hospital
Tetsuya Hosaka
Tetsuya Hosaka Toranomon Hospital
Hitomi Sezaki
Hitomi Sezaki Toranomon Hospital
Mariko Kobayashi
Mariko Kobayashi Kaohsiung Medical University
Kazuaki Chayama
Kazuaki Chayama Hiroshima University

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