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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 65 2484 2273 185 168 206 18236

Jan Wehkamp publications per year

The chart shows the history of publications by Jan Wehkamp between 2000 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jan Wehkamp published across 26 years, from 2000 to 2025, averaging 11.3 papers a year. Output peaked at 55 publications in 2018. 5 of the 293 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 2000 to 2025. Vertical axis: number of publications, 0 to 55. Peak 55 publications in 2018. 2000: 2 publications 2001: 1 publication 2002: 2 publications 2003: 4 publications 2004: 8 publications 2005: 8 publications 2006: 13 publications 2007: 10 publications 2008: 19 publications 2009: 14 publications 2010: 13 publications 2011: 16 publications 2012: 16 publications 2013: 13 publications 2014: 3 publications 2015: 14 publications 2016: 20 publications 2017: 19 publications 2018: 55 publications 2019: 11 publications 2020: 10 publications 2021: 7 publications 2022: 6 publications 2023: 4 publications 2024: 4 publications 2025: 1 publication
2000 2025

293 publications in total across all disciplines

View publications per year as a table
Jan Wehkamp: publications per year, 2000 to 2025
Year Publications
2000 2
2001 1
2002 2
2003 4
2004 8
2005 8
2006 13
2007 10
2008 19
2009 14
2010 13
2011 16
2012 16
2013 13
2014 3
2015 14
2016 20
2017 19
2018 55
2019 11
2020 10
2021 7
2022 6
2023 4
2024 4
2025 1
Total 293
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Jan Wehkamp publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Jan Wehkamp sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 205–214 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 206 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208 206
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Jan Wehkamp D-index placement in Microbiology in 2026

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

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 65 D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 65 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103 65
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Jan Wehkamp is affiliated with the University of Tübingen in Germany and specializes in the fields of Medicine and Immunology and Microbiology. Their research output includes significant contributions to microbiology, molecular biology, nutrition and dietetics, genetics, and epidemiology.

The scientist's work focuses primarily on topics such as antimicrobial peptides and activities, gut microbiota and health, inflammatory bowel disease, pediatric health and respiratory diseases, infant nutrition and health, probiotics and fermented foods, and microscopic colitis.

Frequent co-authors in Jan Wehkamp's research include Benjamin A. H. Jensen, Amy Hart, Esi Lamousé-Smith, Jean-Frédéric Colombel, and Peter Nordkild. These collaborations indicate an active engagement in multidisciplinary studies.

Their publications appear in several prominent journals, with the majority published in Gastroenterology, followed by Frontiers in Immunology, Zeitschrift für Gastroenterologie, Gut, and Nature. This distribution reflects a consistent contribution to high-impact venues in the fields of gastroenterology and immunology.

  • "An Update Review on the Paneth Cell as Key to Ileal Crohn's Disease", 2020, Frontiers in Immunology
  • "Biopsy and blood-based molecular biomarker of inflammation in IBD", 2022, Gut
  • "Human β-Defensin 2 Mediated Immune Modulation as Treatment for Experimental Colitis", 2020, Frontiers in Immunology
  • "Wheat Consumption Aggravates Colitis in Mice via Amylase Trypsin Inhibitor-mediated Dysbiosis", 2020, Gastroenterology
  • "Using Computer Vision to Improve Endoscopic Disease Quantification in Therapeutic Clinical Trials of Ulcerative Colitis", 2023, Gastroenterology

The research by Jan Wehkamp addresses chronic inflammatory conditions of the gut, particularly Crohn's disease and ulcerative colitis, exploring immune modulation and molecular biomarkers. The interplay between nutrition, gut microbiota, and inflammation is another key area they investigate.

Best Publications

  • Secukinumab, a human anti-IL-17A monoclonal antibody, for moderate to severe Crohn's disease: unexpected results of a randomised, double-blind placebo-controlled trial

    Wolfgang Hueber;Bruce E Sands;Steve Lewitzky;Marc Vandemeulebroecke

  • Reduced Paneth cell α-defensins in ileal Crohn's disease

    Jan Wehkamp;Nita H. Salzman;Edith Porter;Edith Porter;Sabine Nuding

  • NOD2 (CARD15) mutations in Crohn's disease are associated with diminished mucosal alpha-defensin expression.

    J. Wehkamp;J. Harder;M. Weichenthal;M. Schwab

  • A chromosome 8 gene-cluster polymorphism with low human beta-defensin 2 gene copy number predisposes to Crohn disease of the colon.

    Klaus Fellermann;Daniel E. Stange;Elke Schaeffeler;Hartmut Schmalzl

  • NF-κB- and AP-1-Mediated Induction of Human Beta Defensin-2 in Intestinal Epithelial Cells by Escherichia coli Nissle 1917: a Novel Effect of a Probiotic Bacterium

    Jan Wehkamp;Jürgen Harder;Kai Wehkamp;Birte Wehkamp-von Meissner

  • Reduction of disulphide bonds unmasks potent antimicrobial activity of human β-defensin 1

    Bjoern O. Schroeder;Zhihong Wu;Sabine Nuding;Sabine Nuding;Sandra Groscurth

  • Intestinal barrier in inflammatory bowel disease.

    Lena Antoni;Sabine Nuding;Jan Wehkamp;Eduard F Stange

  • Probiotic lactobacilli and VSL#3 induce enterocyte β-defensin 2

    M Schlee;J Harder;B Köten;E F Stange

  • Human α-Defensin 6 Promotes Mucosal Innate Immunity Through Self-Assembled Peptide Nanonets

    Hiutung Chu;Marzena Pazgier;Grace Jung;Sean Paul Nuccio

  • Inducible and constitutive β‐defensins are differentially expressed in Crohn's disease and ulcerative colitis

    Jan Wehkamp;Juergen Harder;Michael Weichenthal;Oliver Mueller

  • NOD2/CARD15 mediates induction of the antimicrobial peptide human beta-defensin-2.

    Eske Voss;Jan Wehkamp;Kai Wehkamp;Eduard F. Stange

  • Induction of Human β-Defensin 2 by the Probiotic Escherichia coli Nissle 1917 Is Mediated through Flagellin

    Miriam Schlee;Jan Wehkamp;Jan Wehkamp;Artur Altenhoefer;Tobias A. Oelschlaeger

  • Antimicrobial peptides and gut microbiota in homeostasis and pathology

    Maureen J. Ostaff;Eduard Friedrich Stange;Jan Wehkamp

  • The Paneth Cell α-Defensin Deficiency of Ileal Crohn’s Disease Is Linked to Wnt/Tcf-4

    Jan Wehkamp;Guoxing Wang;Irmgard Kübler;Sabine Nuding

  • Differences in goblet cell differentiation between Crohn's disease and ulcerative colitis.

    Michael Gersemann;Svetlana Becker;Svetlana Becker;Irmgard Kübler;Maureen Koslowski

  • Intestinal bacterial translocation in rats with cirrhosis is related to compromised Paneth cell antimicrobial host defense.

    Zora Teltschik;Reiner Wiest;Julia Beisner;Sabine Nuding

  • Peroxisome proliferator-activated receptor gamma activation is required for maintenance of innate antimicrobial immunity in the colon

    Laurent Peyrin-Biroulet;Julia Beisner;Guoxing Wang;Sabine Nuding;Sabine Nuding

  • Reduced mucosal antimicrobial activity in Crohn’s disease of the colon

    Sabine Nuding;Klaus Fellermann;Jan Wehkamp;Eduard F Stange

  • Crohn's disease: a defensin deficiency syndrome?

    Klaus Fellermann;Jan Wehkamp;Klaus R Herrlinger;Eduard F Stange

  • Defensins and other antimicrobial peptides in inflammatory bowel disease.

    Jan Wehkamp;Michael Schmid;Eduard F Stange

  • Defensin deficiency, intestinal microbes, and the clinical phenotypes of Crohn's disease.

    Jan Wehkamp;Michael Schmid;Klaus Fellermann;Eduard F. Stange

Frequent Co-Authors

Eduard F. Stange
Eduard F. Stange Robert Bosch Hospital
Matthias Schwab
Matthias Schwab University of Tübingen
Charles L. Bevins
Charles L. Bevins University of California, Davis
Martin Schaller
Martin Schaller University of Tübingen
Walter Reinisch
Walter Reinisch Medical University of Vienna
Jürgen Harder
Jürgen Harder Kiel University
Derek P. Jewell
Derek P. Jewell University of Oxford
Tomas Ganz
Tomas Ganz University of California, Los Angeles
Manolis Pasparakis
Manolis Pasparakis University of Cologne

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