World's Best Scientists 2026 revealed!

D-Index & Metrics

Molecular Biology

D-Index
66
Citations
13964
World Ranking
1627
National Ranking
822

Robert Callahan publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Robert Callahan sits on this spectrum.

47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47 publications 564+

This scientist: 168 publications — 46th percentile

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

The last bar groups every scientist with 564 publications or more.

Robert Callahan D-index placement in Molecular Biology in 2026

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

40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40 D-Index 145+

This scientist: 66 D-Index — 48th percentile

48% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

Overview

Robert Callahan is affiliated with the National Institutes of Health in the United States. Their research spans the fields of Psychology, Medicine, and Neuroscience with a focus on several subfields including Clinical Psychology, Dermatology, and Biological Psychiatry.

Their recent work includes a publication titled The Effects of Yoga on the Mental Health of Individuals With Autoimmune Disorders: A Scoping Review, published in 2025 in the journal Cureus.

Frequent co-authors collaborating with Robert Callahan include:

  • Stephanie Nagy
  • Kelsey Tague
  • Angie Ossorio
  • Niyati Patel
  • Elizabeth Jose

The scientist's work often appears in the journal Cureus.

Main research topics associated with Robert Callahan encompass:

  • Mindfulness and Compassion Interventions
  • Dermatology and Skin Diseases
  • Tryptophan and brain disorders

Best Publications

  • Notch signaling is essential for vascular morphogenesis in mice.

    Luke T. Krebs;Yingzi Xue;Christine R. Norton;John R. Shutter

  • Genetic alteration of the c-myc protooncogene (MYC) in human primary breast carcinomas.

    Chantal Escot;Charles Theillet;Rosette Lidereau;Frederique Spyratos

  • Expression of an activated Notch-related int-3 transgene interferes with cell differentiation and induces neoplastic transformation in mammary and salivary glands.

    C Jhappan;D Gallahan;C Stahle;E Chu

  • Reduction to homozygosity of genes on chromosome 11 in human breast neoplasia

    Iqbal Unnisa Ali;Rosette Lidereau;Charles Theillet;Robert Callahan

  • Mouse mammary tumor gene int-3: a member of the notch gene family transforms mammary epithelial cells.

    J Robbins;B J Blondel;D Gallahan;R Callahan

  • The mouse mammary tumor associated gene INT3 is a unique member of the NOTCH gene family (NOTCH4).

    Daniel Gallahan;Robert Callahan

  • Loss of a c-H-ras-1 allele and aggressive human primary breast carcinomas.

    Charles Theillet;Rosette Lidereau;Chantal Escot;Paula Hutzell

  • Expression of a Truncated Int3 Gene in Developing Secretory Mammary Epithelium Specifically Retards Lobular Differentiation Resulting in Tumorigenesis

    Daniel Gallahan;Chamelli Jhappan;Gertraud Robinson;Lothar Hennighausen

  • MMTV-induced mammary tumorigenesis: gene discovery, progression to malignancy and cellular pathways.

    Robert Callahan;Gilbert H Smith

  • Somatic Allelic Deletion of nm23 in Human Cancer

    Alvaro Leone;O. Wesley McBride;Ainsley Weston;Mary G. Wang

  • Loss of heterozygosity on chromosome 7q and aggressive primary breast cancer

    I. Bièche;M.H. Champème;F. Matifas;R. Lidereau

  • Int-6, a highly conserved, widely expressed gene, is mutated by mouse mammary tumor virus in mammary preneoplasia.

    A Marchetti;F Buttitta;S Miyazaki;D Gallahan

  • Mutations in the p53 gene in primary human breast cancers.

    R. J. Osborne;G. R. Merlo;T. Mitsudomi;T. Venesio

  • Isolation from the asian mouse Mus caroli of an endogenous type C virus related to infectious primate type C viruses.

    Michael M. Lieber;Charles J. Sherr;George J. Todaro;Raoul E. Benveniste

  • Mutations in Human Breast Cancer: An Overview

    Robert Callahan;Gregory Campbell

  • Notch signaling in mammary gland tumorigenesis.

    Robert Callahan;Ahmed Raafat

  • Notch signaling in mammary development and oncogenesis.

    Robert Callahan;Sean E Egan

  • A new common integration region (int-3) for mouse mammary tumor virus on mouse chromosome 17.

    D Gallahan;C Kozak;R Callahan

  • p53 Alterations in Non-Small Cell Lung Cancers Correlate with Metastatic Involvement of Hilar and Mediastinal Lymph Nodes

    Marchetti A;Buttitta F;Merlo G;Diella F

  • Identification of a novel NOTCH-4/INT-3 RNA species encoding an activated gene product in certain human tumor cell lines.

    Akira Imatani;Robert Callahan

Frequent Co-Authors

Giorgio R. Merlo
Giorgio R. Merlo University of Turin
Rosette Lidereau
Rosette Lidereau Institute Curie
Gilbert H. Smith
Gilbert H. Smith National Institutes of Health
David S. Salomon
David S. Salomon National Institutes of Health
Jeffrey Schlom
Jeffrey Schlom National Institutes of Health
George J. Todaro
George J. Todaro Fred Hutchinson Cancer Research Center
Charles Theillet
Charles Theillet University of Montpellier
Raoul E. Benveniste
Raoul E. Benveniste National Institutes of Health
Christine A. Kozak
Christine A. Kozak National Institutes of Health
Charles J. Sherr
Charles J. Sherr St. Jude Children's Research Hospital

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