World's Best Scientists 2026 revealed!
Takashi Deguchi

Takashi Deguchi

D-Index & Metrics

Biology and Biochemistry

D-Index
62
Citations
11268
World Ranking
10990
National Ranking
752

Takashi Deguchi publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Takashi Deguchi sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 413 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Takashi Deguchi D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Takashi Deguchi sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 62 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Takashi Deguchi is affiliated with Gifu University in Japan and has contributed extensively to research in medicine and related disciplines. Their work spans a variety of specialized fields including surgery, pulmonary and respiratory medicine, molecular biology, infectious diseases, and microbiology.

Deguchi's main research topics include bladder and urothelial cancer treatments, urinary and genital oncology studies, reproductive tract infections research, bacterial infections and vaccines, syphilis diagnosis and treatment, Enterobacteriaceae and Cronobacter research, and bacterial identification and susceptibility testing.

Frequent venues for Deguchi's publications include Cureus, with six publications, Cancer Genomics & Proteomics and bioRxiv (Cold Spring Harbor Laboratory), each with two publications, as well as Genome Medicine and CEN Case Reports.

Their recent papers feature a range of topics, such as antimicrobial resistance, kidney disease, COVID-19 impacts on healthcare workers, and diagnostic methodologies:

  • Emergence and evolution of antimicrobial resistance genes and mutations in Neisseria gonorrhoeae, 2021, Genome Medicine
  • Subclinical acute tubular necrosis potentially associated with red yeast rice consumption unexpectedly detected in a patient with membranous nephropathy, 2024, CEN Case Reports
  • Evaluation of physical and psychological status of health care workers infected with COVID-19 during a hospital outbreak in Japan, 2022, Journal of Infection and Chemotherapy
  • The performance of a Fully Automated Urine Particle Analyzer, Sysmex UF-5000, in detecting fastidious bacteria in urine samples, 2024, Journal of Microbiological Methods
  • Current antihypertensive treatment and treatment-resistant hypertension in Japanese patients with chronic kidney disease, 2022, Clinical and Experimental Nephrology

Deguchi frequently collaborates with several researchers, including Koji Kameyama (6 joint publications), Mitsuru Yasuda (5), Shigeaki Yokoi (5), Shingo Kamei (5), and Tetsuya Yamada (5).

Their contributions to multiple areas of medicine and biochemistry exemplify interdisciplinary approaches addressing clinical and molecular challenges in infectious diseases and oncology.

Best Publications

  • Effects of miR-34a on cell growth and chemoresistance in prostate cancer PC3 cells.

    Yasunori Fujita;Keitaro Kojima;Nanako Hamada;Riyako Ohhashi

  • Emergence and Spread of Neisseria gonorrhoeae Clinical Isolates Harboring Mosaic-Like Structure of Penicillin-Binding Protein 2 in Central Japan

    Masayasu Ito;Takashi Deguchi;Koh-Suke Mizutani;Mitsuru Yasuda

  • MiR‐34a attenuates paclitaxel‐resistance of hormone‐refractory prostate cancer PC3 cells through direct and indirect mechanisms

    Keitaro Kojima;Yasunori Fujita;Yoshinori Nozawa;Yoshinori Nozawa;Takashi Deguchi

  • Association of Ureaplasma urealyticum (biovar 2) with nongonococcal urethritis.

    Takashi Deguchi;Takashi Yoshida;Takamaro Miyazawa;Mitsuru Yasuda

  • MiR-148a attenuates paclitaxel resistance of hormone-refractory, drug-resistant prostate cancer PC3 cells by regulating MSK1 expression

    Yasunori Fujita;Keitaro Kojima;Keitaro Kojima;Riyako Ohhashi;Nanako Hamada

  • Threat to Cefixime Treatment for Gonorrhea

    Shigeaki Yokoi;Takashi Deguchi;Tomomi Ozawa;Mitsuru Yasuda

  • A role for SIRT1 in cell growth and chemoresistance in prostate cancer PC3 and DU145 cells.

    Keitaro Kojima;Riyako Ohhashi;Yasunori Fujita;Nanako Hamada

  • Chemopreventive effects of diosmin and hesperidin on N‐butyl‐N‐(4‐hydroxybutyl)nitrosamine‐induced urinary‐bladder carcinogenesis in male ICR mice

    Muzheng Yang;Takuji Tanaka;Yoshinobu Hirose;Takashi Deguchi

  • Detection of Micrometastatic Prostate Cancer Cells in Lymph Nodes by Reverse Transcriptase-Polymerase Chain Reaction

    Takashi Deguchi;Tatsuo Doi;Hideo Ehara;Shin-ichi Ito

  • Quinolone-resistant Neisseria gonorrhoeae: correlation of alterations in the GyrA subunit of DNA gyrase and the ParC subunit of topoisomerase IV with antimicrobial susceptibility profiles.

    T Deguchi;M Yasuda;M Nakano;S Ozeki

  • Comparison of two alpha1-adrenoceptor antagonists, naftopidil and tamsulosin hydrochloride, in the treatment of lower urinary tract symptoms with benign prostatic hyperplasia: a randomized crossover study.

    Yoshinori Nishino;Takako Masue;Kousei Miwa;Yoshito Takahashi

  • Increased activity and intranuclear expression of phospholipase D2 in human renal cancer.

    Yutong Zhao;Hidetoshi Ehara;Yukihiro Akao;Masayo Shamoto

  • Quantitative Detection of Mycoplasma genitalium from First-Pass Urine of Men with Urethritis and Asymptomatic Men by Real-Time PCR

    Takashi Yoshida;Takashi Deguchi;Masayasu Ito;Shin-Ichi Maeda

  • Emergence of clinical strains of Mycoplasma genitalium harbouring alterations in ParC associated with fluoroquinolone resistance.

    Yasushi Shimada;Takashi Deguchi;Keita Nakane;Takako Masue

  • Phylogeny-Based Rapid Identification of Mycoplasmas and Ureaplasmas from Urethritis Patients

    Takashi Yoshida;Shin-Ichi Maeda;Takashi Deguchi;Hiroaki Ishiko

  • Rapid Detection of Mycoplasma genitalium, Mycoplasma hominis, Ureaplasma parvum, and Ureaplasma urealyticum Organisms in Genitourinary Samples by PCR-Microtiter Plate Hybridization Assay

    Takashi Yoshida;Shin Ichi Maeda;Takashi Deguchi;Takamaro Miyazawa

  • Cisplatin induces production of reactive oxygen species via NADPH oxidase activation in human prostate cancer cells.

    Tomohiro Itoh;Riyako Terazawa;Keitaro Kojima;Keita Nakane

  • Alterations in the GyrA subunit of DNA gyrase and the ParC subunit of topoisomerase IV in quinolone-resistant clinical isolates of Klebsiella pneumoniae.

    T Deguchi;A Fukuoka;M Yasuda;M Nakano

  • Remarkable increase in central Japan in 2001-2002 of Neisseria gonorrhoeae isolates with decreased susceptibility to penicillin, tetracycline, oral cephalosporins, and fluoroquinolones.

    Masayasu Ito;Mitsuru Yasuda;Shigeaki Yokoi;Shin-ichi Ito

  • Treatment of uncomplicated gonococcal urethritis by double-dosing of 200 mg cefixime at a 6-h interval.

    Takashi Deguchi;Mitsuru Yasuda;Shigeaki Yokoi;Ken-Ichiro Ishida

Frequent Co-Authors

Takayuki Ezaki
Takayuki Ezaki Gifu University
Hiroaki Ishiko
Hiroaki Ishiko Mitsubishi Chemical (Japan)
Seiji Naito
Seiji Naito Kyushu University
Shiro Shigeta
Shiro Shigeta Fukushima Medical University
Shigeru Kohno
Shigeru Kohno Nagasaki University
Hiroyuki Yamamoto
Hiroyuki Yamamoto St. Marianna University School of Medicine
Masayuki Nakagawa
Masayuki Nakagawa Kagoshima University
Yoshiaki Kawamura
Yoshiaki Kawamura Aichi Gakuin University
Makoto Ohnishi
Makoto Ohnishi National Institutes of Health
Naoki Yamamoto
Naoki Yamamoto National University of Singapore

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