World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Immunology 103 647 596 377 341 588 37311
Medicine 103 7396 6949 3867 3578 588 37249

Megan Sykes publications per year

The chart shows the history of publications by Megan Sykes between 1955 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Megan Sykes published across 72 years, from 1955 to 2026, averaging 8.8 papers a year. Output peaked at 31 publications in 2007. 21 of the 637 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1955 to 2026. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 2007. 1955: 1 publication 1956: 0 publications 1957: 0 publications 1958: 0 publications 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 2 publications 1989: 2 publications 1990: 3 publications 1991: 2 publications 1992: 7 publications 1993: 11 publications 1994: 15 publications 1995: 7 publications 1996: 12 publications 1997: 18 publications 1998: 25 publications 1999: 30 publications 2000: 26 publications 2001: 23 publications 2002: 22 publications 2003: 26 publications 2004: 30 publications 2005: 29 publications 2006: 23 publications 2007: 31 publications 2008: 29 publications 2009: 15 publications 2010: 22 publications 2011: 15 publications 2012: 6 publications 2013: 6 publications 2014: 19 publications 2015: 12 publications 2016: 7 publications 2017: 19 publications 2018: 20 publications 2019: 14 publications 2020: 20 publications 2021: 23 publications 2022: 11 publications 2023: 18 publications 2024: 14 publications 2025: 14 publications 2026: 7 publications
1955 2026

637 publications in total across all disciplines

View publications per year as a table
Megan Sykes: publications per year, 1955 to 2026
Year Publications
1955 1
1956 0
1957 0
1958 0
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 1
1988 2
1989 2
1990 3
1991 2
1992 7
1993 11
1994 15
1995 7
1996 12
1997 18
1998 25
1999 30
2000 26
2001 23
2002 22
2003 26
2004 30
2005 29
2006 23
2007 31
2008 29
2009 15
2010 22
2011 15
2012 6
2013 6
2014 19
2015 12
2016 7
2017 19
2018 20
2019 14
2020 20
2021 23
2022 11
2023 18
2024 14
2025 14
2026 7
Total 637
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Megan Sykes publications per year - data summary

  • Megan Sykes, a Immunology scholar from Columbia University, has 637 publications recorded across 72 years, from 1955 to 2026.
  • The oldest publication on record dates to 1955 and the most recent to 2026.
  • The most productive year is 2007, with 31 publications.
  • The least productive years with any output are 1955 and 1987, with 1 publication each.
  • 31 of the 72 years in the span carry no publications at all (1956, 1957, 1958, 1959 and others).
  • The rate of publication averages 8.8 papers per year over the whole span, or 15.5 per year counting only the 41 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 64 publications, 10% of the career total.
  • Split into equal eras - 1955-1978: 1 publication (0.0 per year); 1979-2002: 206 publications (8.6 per year); 2003-2026: 430 publications (17.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Megan Sykes 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 Megan Sykes 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, 582–591 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: 588 publications — 94th percentile

94% 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
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 17 588
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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Megan Sykes publication distribution in Immunology in 2026 - data summary

  • The chart plots the publication count of all 4,929 Immunology scientists ranked by Research.com in 2026, grouped into 76 ranges running from 62–71 to 807+ publications.
  • Megan Sykes, a Immunology scholar from Columbia University, records 588 publications - the 94th percentile of the discipline.
  • 94% of ranked Immunology scientists score the same or lower than Megan Sykes, and about 6% score higher.
  • The median of the discipline falls in the 242–251 publications range, and Megan Sykes ranks above the median.
  • The most crowded range is 152–161 publications, holding 189 scientists (4% of the field).
  • 52% of the field sits in the lowest quarter of the value range (up to 242–251 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 807 publications or more, 100 scientists in all (2% of the field).

Megan Sykes 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 Megan Sykes 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, 102–103 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: 103 D-Index — 87th percentile

87% 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 60 103
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
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Megan Sykes D-index placement in Immunology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 4,929 Immunology scientists ranked by Research.com in 2026, grouped into 60 ranges running from 40–41 to 157+ D-Index.
  • Megan Sykes, a Immunology scholar from Columbia University, records 103 D-Index - the 87th percentile of the discipline.
  • 87% of ranked Immunology scientists score the same or lower than Megan Sykes, and about 13% score higher.
  • The median of the discipline falls in the 68–69 D-Index range, and Megan Sykes ranks above the median.
  • The most crowded range is 58–59 D-Index, holding 201 scientists (4% of the field).
  • 50% of the field sits in the lowest quarter of the value range (up to 68–69 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 157 D-Index or more, 96 scientists in all (2% of the field).

Research.com Recognitions

  • 2021 - Distinguished Fellows of the American Association of Immunologists (AAI)

Overview

Megan Sykes is affiliated with Columbia University in the United States. Their research spans multiple fields within biomedical science, including Medicine, Immunology and Microbiology, and Biochemistry, Genetics and Molecular Biology.

Their work focuses extensively on Immunology, Surgery, Transplantation, Genetics, and Molecular Biology as subfields. Main topics of research consist of T-cell and B-cell Immunology, Immune Cell Function and Interaction, Xenotransplantation and immune response, Renal Transplantation Outcomes and Treatments, Immunotherapy and Immune Responses, Diabetes and associated disorders, and Organ and Tissue Transplantation Research.

Notable recent papers by Megan Sykes include:

  • Progress in xenotransplantation: overcoming immune barriers, 2022, published in Nature Reviews Nephrology

Frequent coauthors in their research collaborations include:

  • Joshua Weiner
  • Jianing Fu
  • Mercedes Martínez
  • Tomoaki Kato
  • Nichole Danzl

Sykes has published regularly in the following venues:

  • Transplantation
  • American Journal of Transplantation
  • Frontiers in Immunology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Xenotransplantation

The scientist's contributions have been recognized by professional bodies, including receiving the Distinguished Fellows of the American Association of Immunologists (AAI) award in 2021.

Best Publications

  • Hematopoietic stem cell quiescence maintained by p21cip1/waf1.

    Tao Cheng;Neil Rodrigues;Hongmei Shen;Yong-guang Yang

  • HLA-Mismatched Renal Transplantation without Maintenance Immunosuppression

    Tatsuo Kawai;A. Benedict Cosimi;Thomas Richard Spitzer;Nina Ellen Tolkoff-Rubin

  • Distribution and Compartmentalization of Human Circulating and Tissue-Resident Memory T Cell Subsets

    Taheri Sathaliyawala;Masaru Kubota;Naomi Yudanin;Damian Turner

  • Marked prolongation of porcine renal xenograft survival in baboons through the use of α1,3-galactosyltransferase gene-knockout donors and the cotransplantation of vascularized thymic tissue

    Kazuhiko Yamada;Koji Yazawa;Akira Shimizu;Takehiro Iwanaga

  • In vivo imaging of Treg cells providing immune privilege to the haematopoietic stem-cell niche

    Joji Fujisaki;Juwell Wu;Juwell Wu;Alicia L. Carlson;Lev Silberstein

  • Mixed allogeneic chimerism and renal allograft tolerance in cynomolgus monkeys.

    T Kawai;A B Cosimi;R B Colvin;J Powelson

  • Allogeneic bone marrow transplantation with co-stimulatory blockade induces macrochimerism and tolerance without cytoreductive host treatment.

    Thomas Wekerle;Thomas Wekerle;Josef Kurtz;Hiroshi Ito;Joseph V. Ronquillo

  • Combined histocompatibility leukocyte antigen-matched donor bone marrow and renal transplantation for multiple myeloma with end stage renal disease: the induction of allograft tolerance through mixed lymphohematopoietic chimerism.

    T R Spitzer;F Delmonico;N Tolkoff-Rubin;S McAfee

  • Mixed Chimerism and Transplant Tolerance

    Megan Sykes

  • Organ transplantation—how much of the promise has been realized?

    Robert I Lechler;Megan Sykes;Angus W Thomson;Laurence A Turka

  • Induction of high levels of allogeneic hematopoietic reconstitution and donor-specific tolerance without myelosuppressive conditioning.

    Megan Sykes;Gregory L. Szot;Kirsten A. Swenson;Denise A. Pearson

  • Xenotransplantation: current status and a perspective on the future.

    Yong-Guang Yang;Megan Sykes

  • Tolerance and Cancer: Mechanisms of Tumor Evasion and Strategies for Breaking Tolerance

    Markus Y. Mapara;Megan Sykes

  • Mixed lymphohaemopoietic chimerism and graft-ver suslymphoma effects after non-myeloablative therapy and HLA-mismatched bone-marrow transplantation

    Megan Sykes;Frederic Preffer;Steven McAfee;Susan L Saidman

  • Extrathymic T Cell Deletion and Allogeneic Stem Cell Engraftment Induced with Costimulatory Blockade Is Followed by Central T Cell Tolerance

    Thomas Wekerle;Mohamed H. Sayegh;Joshua Hill;Yong Zhao

  • Myeloma responses and tolerance following combined kidney and nonmyeloablative marrow transplantation: in vivo and in vitro analyses.

    Y. Fudaba;T. R. Spitzer;J. Shaffer;T. Kawai

  • Intentional induction of mixed chimerism and achievement of antitumor responses after nonmyeloablative conditioning therapy and HLA-matched donor bone marrow transplantation for refractory hematologic malignancies.

    Thomas R. Spitzer;Steven McAfee;Robert Sackstein;Christine Colby

  • Role of intrathymic clonal deletion and peripheral anergy in transplantation tolerance induced by bone marrow transplantation in mice conditioned with a nonmyeloablative regimen.

    Y Tomita;A Khan;M Sykes

  • Role for CD47-SIRPα signaling in xenograft rejection by macrophages

    Kentaro Ide;Hui Wang;Hiroyuki Tahara;Jianxiang Liu

  • Th1 and Th2 mediate acute graft-versus-host disease, each with distinct end-organ targets

    Boris Nikolic;Seika Lee;Roderick T. Bronson;Michael J. Grusby

  • Treatment of severe autoimmune disease by stem-cell transplantation

    Megan Sykes;Boris Nikolic

Frequent Co-Authors

David H. Sachs
David H. Sachs Columbia University
Yong-Guang Yang
Yong-Guang Yang Jilin University
Robert B. Colvin
Robert B. Colvin Harvard University
Frederic I. Preffer
Frederic I. Preffer Harvard University
Cosimi Ab
Cosimi Ab Harvard University
David K. C. Cooper
David K. C. Cooper University of Pittsburgh
Robert Sackstein
Robert Sackstein Florida International University
Nina Tolkoff-Rubin
Nina Tolkoff-Rubin Harvard University
Yufeng Shen
Yufeng Shen Columbia University
Jay A. Fishman
Jay A. Fishman Harvard University

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