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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 168 568 518 331 297 1153 107050

Timothy R. Billiar publications per year

The chart shows the history of publications by Timothy R. Billiar between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Timothy R. Billiar published across 42 years, from 1984 to 2025, averaging 29.6 papers a year. Output peaked at 52 publications in 2006. 65 of the 1,245 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 52. Peak 52 publications in 2006. 1984: 1 publication 1985: 1 publication 1986: 0 publications 1987: 1 publication 1988: 7 publications 1989: 9 publications 1990: 9 publications 1991: 9 publications 1992: 12 publications 1993: 18 publications 1994: 21 publications 1995: 38 publications 1996: 32 publications 1997: 34 publications 1998: 33 publications 1999: 39 publications 2000: 39 publications 2001: 36 publications 2002: 22 publications 2003: 26 publications 2004: 31 publications 2005: 29 publications 2006: 52 publications 2007: 37 publications 2008: 43 publications 2009: 34 publications 2010: 35 publications 2011: 44 publications 2012: 50 publications 2013: 51 publications 2014: 48 publications 2015: 42 publications 2016: 40 publications 2017: 48 publications 2018: 33 publications 2019: 40 publications 2020: 30 publications 2021: 41 publications 2022: 24 publications 2023: 41 publications 2024: 28 publications 2025: 37 publications
1984 2025

1,245 publications in total across all disciplines

View publications per year as a table
Timothy R. Billiar: publications per year, 1984 to 2025
Year Publications
1984 1
1985 1
1986 0
1987 1
1988 7
1989 9
1990 9
1991 9
1992 12
1993 18
1994 21
1995 38
1996 32
1997 34
1998 33
1999 39
2000 39
2001 36
2002 22
2003 26
2004 31
2005 29
2006 52
2007 37
2008 43
2009 34
2010 35
2011 44
2012 50
2013 51
2014 48
2015 42
2016 40
2017 48
2018 33
2019 40
2020 30
2021 41
2022 24
2023 41
2024 28
2025 37
Total 1,245
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Timothy R. Billiar publication distribution in Medicine in 2026

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

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 1,141–1,160 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 1,153 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51 1,153
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Timothy R. Billiar D-index placement in Medicine in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 168–169 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 168 D-Index — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42 168
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Overview

Timothy R. Billiar is affiliated with the University of Pittsburgh in the United States. Their research spans multiple fields, primarily within medicine, biochemistry, genetics, molecular biology, immunology, and microbiology. The subfields covered by their work include immunology, molecular biology, epidemiology, emergency medicine, and critical care and intensive care medicine.

Their research topics focus on the intersection of immune responses, trauma, and critical care, with particular attention to sepsis diagnosis and treatment, immune response and inflammation, trauma and emergency care studies, inflammasome and immune disorders, trauma-related hemostasis and coagulopathy management, the role of immune cells in cancer, and neutrophil-related oxidative mechanisms.

  • Sepsis Diagnosis and Treatment
  • Immune Response and Inflammation
  • Trauma and Emergency Care Studies
  • Inflammasome and Immune Disorders
  • Trauma, Hemostasis, Coagulopathy, Resuscitation
  • Immune Cells in Cancer
  • Neutrophil, Myeloperoxidase and Oxidative Mechanisms

Billiar has contributed extensively to science through numerous publications. Some recent papers include:

  • "Immune-Responsive Gene 1/Itaconate Activates Nuclear Factor Erythroid 2-Related Factor 2 in Hepatocytes to Protect Against Liver Ischemia-Reperfusion Injury" (2020) published in Hepatology
  • "TMEM173 Drives Lethal Coagulation in Sepsis" (2020) published in Cell Host & Microbe
  • "HMGB1 as a potential biomarker and therapeutic target for severe COVID-19" (2020) published in Heliyon
  • "Platelet TLR4-ERK5 Axis Facilitates NET-Mediated Capturing of Circulating Tumor Cells and Distant Metastasis after Surgical Stress" (2021) published in Cancer Research
  • "LPS Induces Active HMGB1 Release From Hepatocytes Into Exosomes Through the Coordinated Activities of TLR4 and Caspase-11/GSDMD Signaling" (2020) published in Frontiers in Immunology

The research venues where Billiar frequently publishes reflect the scope and reach of their scientific work. These include:

  • Frontiers in Immunology
  • The Journal of Trauma: Injury, Infection, and Critical Care
  • Shock
  • Journal of the American College of Surgeons
  • Research Square

Collaboration is a notable element in Billiar's body of work. Frequent coauthors who have contributed significantly alongside Billiar include:

  • Yoram Vodovotz
  • Jason L. Sperry
  • Matthew D. Neal
  • Rami A. Namas
  • Haichao Wang

Best Publications

  • Genomic responses in mouse models poorly mimic human inflammatory diseases

    Seok Junhee Seok;Shaw Warren H. Shaw Warren;G. Cuenca Alex;N. Mindrinos Michael

  • A network-based analysis of systemic inflammation in humans

    Steve E. Calvano;Wenzhong Xiao;Daniel R. Richards;Ramon M. Felciano

  • The nuclear factor HMGB1 mediates hepatic injury after murine liver ischemia-reperfusion

    Allan Tsung;Rohit Sahai;Hiroyuki Tanaka;Atsunori Nakao

  • A genomic storm in critically injured humans

    Wenzhong Xiao;Wenzhong Xiao;Michael N. Mindrinos;Junhee Seok;Joseph Cuschieri

  • Inflammation, immunoregulation, and inducible nitric oxide synthase

    Andreas K. Nussler;Timothy R. Billiar

  • Apoptosis induced in normal human hepatocytes by tumor necrosis factor-related apoptosis-inducing ligand

    Minji Jo;Tae-Hyoung Kim;Dai-Wu Seol;James E. Esplen

  • Molecular cloning and expression of inducible nitric oxide synthase from human hepatocytes.

    D A Geller;C J Lowenstein;R A Shapiro;A K Nussler

  • Nitric oxide inhibits apoptosis by preventing increases in caspase-3-like activity via two distinct mechanisms.

    Young-Myeong Kim;Robert V. Talanian;Timothy R. Billiar

  • HMGB1 in Health and Disease

    Rui Kang;Ruochan Chen;Qiuhong Zhang;Wen Hou

  • HMGB1: endogenous danger signaling.

    John R. Klune;Rajeev Dhupar;Jon Cardinal;Timothy R. Billiar

  • New insights into the regulation of inducible nitric oxide synthesis

    S. M. Morris;T. R. Billiar

  • Cytokines, endotoxin, and glucocorticoids regulate the expression of inducible nitric oxide synthase in hepatocytes.

    D A Geller;A K Nussler;M Di Silvio;C J Lowenstein

  • Nitrogen oxide levels in patients after trauma and during sepsis.

    Juan B. Ochoa;Anthony O. Udekwu;Timothy R. Billiar;Ronald D. Curran

  • The grateful dead: damage-associated molecular pattern molecules and reduction/oxidation regulate immunity.

    Michael T. Lotze;Herbert J. Zeh;Anna Rubartelli;Louis J. Sparvero

  • The Tumor Suppressor p53 Limits Ferroptosis by Blocking DPP4 Activity

    Yangchun Xie;Yangchun Xie;Yangchun Xie;Shan Zhu;Xinxin Song;Xiaofang Sun

  • Prehospital Plasma during Air Medical Transport in Trauma Patients at Risk for Hemorrhagic Shock.

    Jason L. Sperry;Francis X. Guyette;Joshua B. Brown;Mark H. Yazer

  • Nitric oxide as a bioregulator of apoptosis.

    Hun-Taeg Chung;Hyun-Ock Pae;Byung-Min Choi;Byung-Min Choi;Timothy R. Billiar

  • HMGB1 release induced by liver ischemia involves Toll-like receptor 4–dependent reactive oxygen species production and calcium-mediated signaling

    Allan Tsung;John R. Klune;Xianghong Zhang;Geetha Jeyabalan

  • Nitric Oxide Protects Cultured Rat Hepatocytes from Tumor Necrosis Factor-α-induced Apoptosis by Inducing Heat Shock Protein 70 Expression

    Young-Myeong Kim;Michael E. de Vera;Simon C. Watkins;Timothy R. Billiar

  • Linking oxidative stress to inflammation: Toll-like receptors

    Roop Gill;Allan Tsung;Timothy R. Billiar

Frequent Co-Authors

Yoram Vodovotz
Yoram Vodovotz University of Pittsburgh
Andrew B. Peitzman
Andrew B. Peitzman University of Pittsburgh
David A. Geller
David A. Geller University of Pittsburgh
Jie Fan
Jie Fan University of Pittsburgh
Simon C. Watkins
Simon C. Watkins University of Pittsburgh
Mitchell P. Fink
Mitchell P. Fink University of California, Los Angeles
Michael T. Lotze
Michael T. Lotze University of Pittsburgh
Kenneth R. McCurry
Kenneth R. McCurry Cleveland Clinic
Young-Myeong Kim
Young-Myeong Kim Kangwon National University
David J. Hackam
David J. Hackam Johns Hopkins University School of Medicine

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