World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
62
Citations
16558
World Ranking
10649
National Ranking
4628

Akiko Nishiyama 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 Akiko Nishiyama 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: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 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: 418 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: 197 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: 60 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: 123 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

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

Akiko Nishiyama 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 Akiko Nishiyama sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 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: 72 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

Akiko Nishiyama is affiliated with the University of Connecticut in the United States. Their research primarily focuses on neuroscience, with a significant body of work in biochemistry, genetics, and molecular biology. Nishiyama's research spans several subfields including developmental neuroscience, neurology, cellular and molecular neuroscience, cancer research, and molecular biology.

The scientist's work encompasses key topics such as neurogenesis and neuroplasticity mechanisms, neuroinflammation and neurodegeneration mechanisms, microRNA in disease regulation, immune cells in cancer, nerve injury and regeneration, axon guidance and neuronal signaling, as well as pluripotent stem cells research.

Recent papers authored or co-authored by Nishiyama include:

  • Microglial neuropilin-1 promotes oligodendrocyte expansion during development and remyelination by trans-activating platelet-derived growth factor receptor, 2021, Nature Communications
  • Life-long oligodendrocyte development and plasticity, 2021, Seminars in Cell and Developmental Biology
  • Shaping of Regional Differences in Oligodendrocyte Dynamics by Regional Heterogeneity of the Pericellular Microenvironment, 2021, Frontiers in Cellular Neuroscience
  • Features, Fates, and Functions of Oligodendrocyte Precursor Cells, 2023, Cold Spring Harbor Perspectives in Biology
  • Direct reprogramming of oligodendrocyte precursor cells into GABAergic inhibitory neurons by a single homeodomain transcription factor Dlx2, 2021, Scientific Reports

Nishiyama has worked frequently with several co-authors. Frequent collaborators include Amin Sherafat, Friederike Pfeiffer, William M. Wood, Yetunde O. Akinlaja, and Christopher D. Fekete.

The scholar's publications appear most often in the following venues:

  • Glia
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Frontiers in Cellular Neuroscience
  • Journal of Neuroscience
  • Nature Communications

Best Publications

  • Polydendrocytes (NG2 cells): multifunctional cells with lineage plasticity

    Akiko Nishiyama;Mila Komitova;Ryusuke Suzuki;Xiaoqin Zhu

  • NG2-positive oligodendrocyte progenitor cells in adult human brain and multiple sclerosis lesions.

    Ansi Chang;Akiko Nishiyama;John Peterson;John Peterson;John Prineas

  • NG2 cells generate both oligodendrocytes and gray matter astrocytes

    Xiaoqin Zhu;Dwight E. Bergles;Akiko Nishiyama

  • Mosaic Analysis with Double Markers Reveals Tumor Cell of Origin in Glioma

    Chong Liu;Jonathan C. Sage;Michael R. Miller;Roel G.W. Verhaak

  • Co-localization of NG2 proteoglycan and PDGF alpha-receptor on O2A progenitor cells in the developing rat brain.

    A. Nishiyama;X.-H. Lin;N. Giese;C.-H. Heldin

  • Vesicular release of glutamate from unmyelinated axons in white matter

    Jennifer L Ziskin;Akiko Nishiyama;Maria Rubio;Masahiro Fukaya

  • Age-dependent fate and lineage restriction of single NG2 cells.

    Xiaoqin Zhu;Robert A. Hill;Dirk Dietrich;Mila Komitova

  • Differentiation and death of premyelinating oligodendrocytes in developing rodent brain.

    Bruce D. Trapp;Akiko Nishiyama;David Cheng;Wendy Macklin

  • Dual origin of mesenchymal stem cells contributing to organ growth and repair

    Jifan Feng;Andrea Mantesso;Andrea Mantesso;Cosimo De Bari;Akiko Nishiyama

  • NG2+ glial cells: a novel glial cell population in the adult brain.

    Akiko Nishiyama;Ansi Chang;Bruce D. Trapp

  • Excitability and Synaptic Communication within the Oligodendrocyte Lineage

    Lindsay M. De Biase;Akiko Nishiyama;Dwight E. Bergles

  • The primary structure of NG2, a novel membrane-spanning proteoglycan.

    A Nishiyama;K J Dahlin;J T Prince;S R Johnstone

  • Differentiation of proliferated NG2-positive glial progenitor cells in a remyelinating lesion.

    Masahiko Watanabe;Yoshiaki Toyama;Akiko Nishiyama

  • NG2 cells: Properties, progeny and origin.

    Jacqueline Trotter;Khalad Karram;Akiko Nishiyama

  • Interaction between NG2 proteoglycan and PDGF alpha-receptor on O2A progenitor cells is required for optimal response to PDGF

    A. Nishiyama;X.-H. Lin;N. Giese;C.-H. Heldin

  • Non-Stem Cell Origin for Oligodendroglioma

    Anders I. Persson;Claudia Petritsch;Fredrik J. Swartling;Melissa Itsara

  • Antisense telomerase treatment: induction of two distinct pathways, apoptosis and differentiation

    Seiji Kondo;Yoshikazu Tanaka;Yasuko Kondo;Masahiro Hitomi

  • Normal and reactive NG2+ glial cells are distinct from resting and activated microglia

    Akiko Nishiyama;Min Yu;Judith A. Drazba;Vincent K. Tuohy

  • Identity, distribution, and development of polydendrocytes: NG2-expressing glial cells.

    Akiko Nishiyama;Masahiko Watanabe;Zhongshu Yang;Jie Bu

  • The Membrane-spanning Proteoglycan NG2 Binds to Collagens V and VI through the Central Nonglobular Domain of Its Core Protein *

    Emmanuelle Tillet;Florence Ruggiero;Akiko Nishiyama;William B. Stallcup

Frequent Co-Authors

Masahiko Watanabe
Masahiko Watanabe Hokkaido University
Bruce D. Trapp
Bruce D. Trapp Cleveland Clinic Lerner College of Medicine
Vincent K. Tuohy
Vincent K. Tuohy Cleveland Clinic Lerner College of Medicine
William B. Stallcup
William B. Stallcup Discovery Institute
Gene H. Barnett
Gene H. Barnett Cleveland Clinic
Arthur M. Butt
Arthur M. Butt University of Portsmouth
Dwight E. Bergles
Dwight E. Bergles Johns Hopkins University
Kenji Sakimura
Kenji Sakimura Niigata University
Frank Kirchhoff
Frank Kirchhoff University of Ulm
John K. Cowell
John K. Cowell Augusta University

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