World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
55
Citations
9450
World Ranking
15197
National Ranking
6355

Amar B. Singh 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 Amar B. Singh 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: 185 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Amar B. Singh 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 Amar B. Singh 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: 55 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Overview

Amar B. Singh is affiliated with the University of Nebraska Medical Center in the United States. Their research focuses primarily on fields related to medicine and biochemistry, genetics, and molecular biology. Among the main subfields of their work are molecular biology, oncology, genetics, neurology, and epidemiology.

Their publications reveal concentrated study into topics such as gut microbiota and health, barrier structure and function, inflammatory bowel disease, cancer cells and metastasis, pancreatic and hepatic oncology research, diet and metabolism studies, and cancer genomics and diagnostics.

Notable recent papers authored or co-authored by Amar B. Singh include:

  • "Gut Microbiota and Metabolic Specificity in Ulcerative Colitis and Crohn's Disease," 2020, Frontiers in Medicine
  • "Selective inhibition of stemness through EGFR/FOXA2/SOX9 axis reduces pancreatic cancer metastasis," 2020, Oncogene
  • "Inflammatory bowel disease: Therapeutic limitations and prospective of the stem cell therapy," 2020, World Journal of Stem Cells
  • "Pancreatic Cancer and Therapy: Role and Regulation of Cancer Stem Cells," 2021, International Journal of Molecular Sciences
  • "Mucosal healing and inflammatory bowel disease: Therapeutic implications and new targets," 2023, World Journal of Gastroenterology

The frequent co-authors who have collaborated with Singh include Punita Dhawan, Rizwan Ahmad, Balawant Kumar, Iram Fatima, and Geoffrey A. Talmon. These collaborations indicate a network spanning multiple areas within biological and medical research.

Singh's most frequent publication venues are Gastroenterology, Cells, SSRN Electronic Journal, World Journal of Gastroenterology, and Oncogene. This indicates their active engagement with journals focused on clinical and molecular research.

The body of work demonstrates an intersection between fundamental molecular studies and applied medical research, particularly in digestive system diseases and oncology. Their research outputs contribute to understanding complex disease mechanisms including inflammatory bowel conditions and pancreatic cancer by exploring biological processes like stemness, mucosal healing, and cancer metastasis.

Best Publications

  • Claudin-1 regulates cellular transformation and metastatic behavior in colon cancer

    Punita Dhawan;Amar B. Singh;Natasha G. Deane;Yi Ran No

  • Autocrine, paracrine and juxtacrine signaling by EGFR ligands

    Amar B. Singh;Raymond C. Harris

  • CSF-1 signaling mediates recovery from acute kidney injury

    Ming Zhi Zhang;Bing Yao;Shilin Yang;Li Jiang

  • Constitutive Activation of Akt/Protein Kinase B in Melanoma Leads to Up-Regulation of Nuclear Factor-κB and Tumor Progression

    Punita Dhawan;Amar B. Singh;Darrel L. Ellis;Ann Richmond

  • Claudin Family of Proteins and Cancer: An Overview

    Amar B. Singh;Ashok Sharma;Punita Dhawan

  • Claudin-1 regulates intestinal epithelial homeostasis through the modulation of Notch-signalling

    Jillian L. Pope;Ajaz Ahmad Bhat;Ashok Sharma;Rizwan Ahmad

  • Epidermal growth factor receptor activation differentially regulates claudin expression and enhances transepithelial resistance in Madin-Darby canine kidney cells.

    Amar B. Singh;Rayrnond C. Harris

  • Gut permeability and mucosal inflammation: bad, good or context dependent.

    R Ahmad;M F Sorrell;S K Batra;P Dhawan

  • Identification of gene family of caspases in rat kidney and altered expression in ischemia-reperfusion injury

    Gur P. Kaushal;Amar B. Singh;Sudhir V. Shah

  • Claudin-1 Up-regulates the Repressor ZEB-1 to Inhibit E-Cadherin Expression in Colon Cancer Cells

    Amar B. Singh;Ashok Sharma;J. Joshua Smith;Moorthy Krishnan

  • Claudin-2 expression increases tumorigenicity of colon cancer cells: role of epidermal growth factor receptor activation.

    P Dhawan;R Ahmad;R Chaturvedi;J J Smith

  • Pyranocoumarins: A new class of anti-hyperglycemic and anti-dyslipidemic agents

    Atul Kumar;Ram Awatar Maurya;Siddharth Sharma;Pervez Ahmad

  • The role of the EGF family of ligands and receptors in renal development, physiology and pathophysiology

    Fenghua Zeng;Amar B. Singh;Raymond C. Harris

  • Inhibition of PCSK9 Transcription by Berberine Involves Down-regulation of Hepatic HNF1α Protein Expression through the Ubiquitin-Proteasome Degradation Pathway

    Bin Dong;Hai Li;Amar Bahadur Singh;Aiqin Cao

  • Targeted colonic claudin-2 expression renders resistance to epithelial injury, induces immune suppression, and protects from colitis.

    R Ahmad;R Chaturvedi;D Olivares-Villagómez;T Habib

  • Smad4 Regulates Claudin-1 Expression in a Transforming Growth Factor-β–Independent Manner in Colon Cancer Cells

    Sheng Ru Shiou;Amar B. Singh;Krishnan Moorthy;Pran K. Datta

  • Methoxylated isoflavones, cajanin and isoformononetin, have non-estrogenic bone forming effect via differential mitogen activated protein kinase (MAPK) signaling.

    Biju Bhargavan;Abnish Kumar Gautam;Divya Singh;Amit Kumar

  • Integrin α1β1 Controls Reactive Oxygen Species Synthesis by Negatively Regulating Epidermal Growth Factor Receptor-Mediated Rac Activation

    Xiwu Chen;Tristin D. Abair;Maria R. Ibanez;Yan Su

  • Obesity-induces Organ and Tissue Specific Tight Junction Restructuring and Barrier Deregulation by Claudin Switching

    Rizwan Ahmad;Bilal Rah;Dhundy Bastola;Punita Dhawan

  • Overexpression of heparin-binding EGF-like growth factor in mouse pancreas results in fibrosis and epithelial metaplasia.

    Anna L. Means;Kevin C. Ray;Amar B. Singh;M.Kay Washington

Frequent Co-Authors

Raymond C. Harris
Raymond C. Harris Vanderbilt University Medical Center
Keith T. Wilson
Keith T. Wilson Vanderbilt University Medical Center
Rupesh Chaturvedi
Rupesh Chaturvedi Jawaharlal Nehru University
Roy Zent
Roy Zent Vanderbilt University Medical Center
Xi Chen
Xi Chen University of California, Davis
J. Joshua Smith
J. Joshua Smith Memorial Sloan Kettering Cancer Center
Surinder K. Batra
Surinder K. Batra University of Nebraska Medical Center
Ambra Pozzi
Ambra Pozzi Vanderbilt University Medical Center
Geoffrey M. Thiele
Geoffrey M. Thiele University of Nebraska Medical Center
Naibedya Chattopadhyay
Naibedya Chattopadhyay Central Drug Research Institute

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