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Immunology
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2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Best Scientists 180 609 560 383 345 455 151723
Immunology 179 38 35 27 25 435 156729
Medicine 180 366 333 229 206 446 157341

Dan R. Littman publications per year

The chart shows the history of publications by Dan R. Littman between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Dan R. Littman published across 52 years, from 1974 to 2025, averaging 9.4 papers a year. Output peaked at 24 publications in 2013. 17 of the 487 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2013. 1974: 1 publication 1975: 1 publication 1976: 0 publications 1977: 2 publications 1978: 1 publication 1979: 2 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 2 publications 1986: 2 publications 1987: 10 publications 1988: 9 publications 1989: 5 publications 1990: 4 publications 1991: 9 publications 1992: 7 publications 1993: 10 publications 1994: 10 publications 1995: 7 publications 1996: 9 publications 1997: 12 publications 1998: 17 publications 1999: 11 publications 2000: 7 publications 2001: 11 publications 2002: 16 publications 2003: 9 publications 2004: 15 publications 2005: 17 publications 2006: 9 publications 2007: 12 publications 2008: 19 publications 2009: 19 publications 2010: 18 publications 2011: 21 publications 2012: 18 publications 2013: 24 publications 2014: 12 publications 2015: 13 publications 2016: 20 publications 2017: 12 publications 2018: 11 publications 2019: 17 publications 2020: 11 publications 2021: 13 publications 2022: 6 publications 2023: 9 publications 2024: 7 publications 2025: 10 publications
1974 2025

487 publications in total across all disciplines

View publications per year as a table
Dan R. Littman: publications per year, 1974 to 2025
Year Publications
1974 1
1975 1
1976 0
1977 2
1978 1
1979 2
1980 0
1981 0
1982 0
1983 0
1984 0
1985 2
1986 2
1987 10
1988 9
1989 5
1990 4
1991 9
1992 7
1993 10
1994 10
1995 7
1996 9
1997 12
1998 17
1999 11
2000 7
2001 11
2002 16
2003 9
2004 15
2005 17
2006 9
2007 12
2008 19
2009 19
2010 18
2011 21
2012 18
2013 24
2014 12
2015 13
2016 20
2017 12
2018 11
2019 17
2020 11
2021 13
2022 6
2023 9
2024 7
2025 10
Total 487
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Dan R. Littman publication distribution in Immunology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Immunology in 2026. The highlighted bar marks where Dan R. Littman sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 432–441 publications, is where this scientist sits. 62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 435 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97
332–341 99
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41
422–431 63
432–441 53 435
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
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Dan R. Littman D-index placement in Immunology in 2026

The chart shows the D-index (discipline H-index) distribution of Immunology scientists ranked by Research.com in 2026. The highlighted bar marks where Dan R. Littman sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 157+ D-Index, is where this scientist sits. 40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40–41 D-Index 157+

This scientist: 179 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192
48–49 175
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172
70–71 199
72–73 184
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96 179
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Research.com Recognitions

  • 2026 - Research.com Immunology in United States Leader Award
  • 2025 - Research.com Best Scientists Award
  • 2025 - Research.com Immunology in United States Leader Award
  • 2022 - Research.com Microbiology in United States Leader Award
  • 2019 - Distinguished Fellows of the American Association of Immunologists (AAI)
  • 2012 - Member of the National Academy of Medicine (NAM)
  • 2004 - Member of the National Academy of Sciences
  • 2003 - Fellow of the American Academy of Arts and Sciences
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians
  • Member of the Association of American Physicians

Overview

Dan R. Littman is affiliated with New York University in the United States and has an extensive publication record in the fields of immunology, microbiology, and medicine. Their research primarily focuses on immune cell function, microbial interactions in the gut, and molecular mechanisms underlying immune responses.

The scientist's work covers a range of main topics, including:

  • Immune Cell Function and Interaction
  • IL-33, ST2, and ILC Pathways
  • T-cell and B-cell Immunology
  • Gut microbiota and health
  • Clostridium difficile and Clostridium perfringens research
  • SARS-CoV-2 and COVID-19 Research
  • Single-cell and spatial transcriptomics

Dan R. Littman has published extensively in prominent journals. Frequent publication venues include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature
  • Cell Reports
  • Cell
  • UNC Libraries

Some recent representative publications are:

  • "Novel bile acid biosynthetic pathways are enriched in the microbiome of centenarians" (2021, Nature)
  • "Feeding-dependent VIP neuron-ILC3 circuit regulates the intestinal barrier" (2020, Nature)
  • "A RORγt+ cell instructs gut microbiota-specific Treg cell differentiation" (2022, Nature)
  • "TH17 cell heterogeneity and its role in tissue inflammation" (2023, Nature Immunology)
  • "Gut microbiome dysbiosis in antibiotic-treated COVID-19 patients is associated with microbial translocation and bacteremia" (2022, Nature Communications)

Their frequent co-authors include:

  • Lina Kroehling
  • Jhimmy Talbot
  • Yuhan Hao
  • Maria Pokrovskii
  • Rabi Upadhyay

Dan R. Littman's research spans several subfields, including:

  • Immunology
  • Molecular Biology
  • Infectious Diseases
  • Oncology
  • Hematology

The scientist's work has been recognized with membership and fellowships in notable organizations:

  • Distinguished Fellow of the American Association of Immunologists (AAI), 2019
  • Member of the National Academy of Medicine (NAM), 2012
  • Member of the National Academy of Sciences, 2004
  • Fellow of the American Academy of Arts and Sciences, 2003
  • Member of the Association of American Physicians

Best Publications

  • The orphan nuclear receptor RORgammat directs the differentiation program of proinflammatory IL-17+ T helper cells.

    Ivaylo I. Ivanov;Brent S. McKenzie;Liang Zhou;Carlos E. Tadokoro

  • Induction of Intestinal Th17 Cells by Segmented Filamentous Bacteria

    Ivaylo I. Ivanov;Koji Atarashi;Nicolas Manel;Eoin L. Brodie

  • Identification of a major co-receptor for primary isolates of HIV-1

    H Deng;R Liu;W Ellmeier;S Choe

  • Interactions between the microbiota and the immune system.

    Lora V. Hooper;Dan R. Littman;Andrew J. Macpherson

  • ATP mediates rapid microglial response to local brain injury in vivo

    Dimitrios Davalos;Jaime Grutzendler;Jaime Grutzendler;Guang Yang;Jiyun V Kim

  • Blood Monocytes Consist of Two Principal Subsets with Distinct Migratory Properties

    Frederic Geissmann;Steffen Jung;Dan R. Littman

  • DC-SIGN, a dendritic cell-specific HIV-1-binding protein that enhances trans-infection of T cells

    T.B.H. Geijtenbeek;D.S. Kwon;R. Torensma;S.J. van Vliet

  • Function of the chemokine receptor CXCR4 in haematopoiesis and in cerebellar development

    Yong-Rui Zou;Andreas H. Kottmann;Masahiko Kuroda;Ichiro Taniuchi

  • Analysis of fractalkine receptor CX(3)CR1 function by targeted deletion and green fluorescent protein reporter gene insertion.

    Steffen Jung;Julio Aliberti;Petra Graemmel;Mary Jean Sunshine

  • Signal transduction by lymphocyte antigen receptors

    Arthur Weiss;Dan R. Littman

  • Microglia Promote Learning-Dependent Synapse Formation through Brain-Derived Neurotrophic Factor

    Christopher N. Parkhurst;Guang Yang;Ipe Ninan;Jeffrey N. Savas

  • IL-6 programs T(H)-17 cell differentiation by promoting sequential engagement of the IL-21 and IL-23 pathways.

    Liang Zhou;Ivaylo I Ivanov;Rosanne Spolski;Roy Min

  • TGF-beta-induced Foxp3 inhibits T(H)17 cell differentiation by antagonizing RORgammat function.

    Liang Zhou;Jared E. Lopes;Jared E. Lopes;Mark M. W. Chong;Ivaylo I. Ivanov

  • Expansion of intestinal Prevotella copri correlates with enhanced susceptibility to arthritis

    Jose U Scher;Andrew Sczesnak;Andrew Sczesnak;Randy S Longman;Randy S Longman;Nicola Segata;Nicola Segata

  • In Vivo Depletion of CD11c+ Dendritic Cells Abrogates Priming of CD8+ T Cells by Exogenous Cell-Associated Antigens

    Steffen Jung;Derya Unutmaz;Phillip Wong;Gen Ichiro Sano

  • The microbiota in adaptive immune homeostasis and disease

    Kenya Honda;Dan R. Littman

  • Specific Microbiota Direct the Differentiation of IL-17-Producing T-Helper Cells in the Mucosa of the Small Intestine

    Ivaylo Ivanov Ivanov;Rosa de Llanos Frutos;Nicolas Manel;Keiji Yoshinaga

  • Plasticity of CD4+ T Cell Lineage Differentiation

    Liang Zhou;Mark M.W. Chong;Dan R. Littman

  • CX3CR1-Mediated Dendritic Cell Access to the Intestinal Lumen and Bacterial Clearance

    Jan Hendrik Niess;Stephan Brand;Xiubin Gu;Limor Landsman

  • Sparse and Compositionally Robust Inference of Microbial Ecological Networks

    Zachary D. Kurtz;Christian L. Müller;Emily R. Miraldi;Dan R. Littman

  • The differentiation of human T(H)-17 cells requires transforming growth factor-beta and induction of the nuclear receptor RORgammat.

    Nicolas Manel;Derya Unutmaz;Dan R Littman

Frequent Co-Authors

Richard Bonneau
Richard Bonneau New York University
Nigel Killeen
Nigel Killeen University of California, San Francisco
Vineet N. KewalRamani
Vineet N. KewalRamani National Institutes of Health
Nicolas Manel
Nicolas Manel PSL University
Ichiro Taniuchi
Ichiro Taniuchi RIKEN Center for Integrative Medical Sciences
Derya Unutmaz
Derya Unutmaz University of Connecticut
Steffen Jung
Steffen Jung Weizmann Institute of Science
Wilfried Ellmeier
Wilfried Ellmeier Medical University of Vienna
Eric G. Pamer
Eric G. Pamer Memorial Sloan Kettering Cancer Center
Curtis Huttenhower
Curtis Huttenhower Harvard University

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