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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 96 9812 9206 5044 4660 360 27164

Sergio R. Ojeda publications per year

The chart shows the history of publications by Sergio R. Ojeda between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sergio R. Ojeda published across 57 years, from 1969 to 2025, averaging 6.4 papers a year. Output peaked at 13 publications in 2006. 2 of the 363 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2006. 1969: 1 publication 1970: 1 publication 1971: 0 publications 1972: 1 publication 1973: 4 publications 1974: 8 publications 1975: 2 publications 1976: 7 publications 1977: 7 publications 1978: 3 publications 1979: 6 publications 1980: 5 publications 1981: 12 publications 1982: 7 publications 1983: 7 publications 1984: 10 publications 1985: 10 publications 1986: 8 publications 1987: 8 publications 1988: 3 publications 1989: 7 publications 1990: 9 publications 1991: 6 publications 1992: 10 publications 1993: 6 publications 1994: 7 publications 1995: 3 publications 1996: 6 publications 1997: 6 publications 1998: 4 publications 1999: 4 publications 2000: 10 publications 2001: 8 publications 2002: 6 publications 2003: 9 publications 2004: 5 publications 2005: 10 publications 2006: 13 publications 2007: 9 publications 2008: 9 publications 2009: 10 publications 2010: 7 publications 2011: 11 publications 2012: 9 publications 2013: 5 publications 2014: 8 publications 2015: 12 publications 2016: 3 publications 2017: 2 publications 2018: 11 publications 2019: 6 publications 2020: 12 publications 2021: 7 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication 2025: 1 publication
1969 2025

363 publications in total across all disciplines

View publications per year as a table
Sergio R. Ojeda: publications per year, 1969 to 2025
Year Publications
1969 1
1970 1
1971 0
1972 1
1973 4
1974 8
1975 2
1976 7
1977 7
1978 3
1979 6
1980 5
1981 12
1982 7
1983 7
1984 10
1985 10
1986 8
1987 8
1988 3
1989 7
1990 9
1991 6
1992 10
1993 6
1994 7
1995 3
1996 6
1997 6
1998 4
1999 4
2000 10
2001 8
2002 6
2003 9
2004 5
2005 10
2006 13
2007 9
2008 9
2009 10
2010 7
2011 11
2012 9
2013 5
2014 8
2015 12
2016 3
2017 2
2018 11
2019 6
2020 12
2021 7
2022 1
2023 0
2024 1
2025 1
Total 363
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Sergio R. Ojeda 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 Sergio R. Ojeda 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, 341–360 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: 360 publications — 30th percentile

30% 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
341–360 922 360
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
1,161–1,180 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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Sergio R. Ojeda 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 Sergio R. Ojeda 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, 96–97 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: 96 D-Index — 53rd percentile

53% 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 96
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
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

Sergio R. Ojeda is affiliated with the Oregon National Primate Research Center in the United States. Their research primarily spans the fields of Medicine and Biochemistry, Genetics, and Molecular Biology. Within these broader fields, their subfields of study include Reproductive Medicine, Molecular Biology, Cellular and Molecular Neuroscience, Psychiatry and Mental Health, and Plant Science.

The main topics addressed in Ojeda's work cover a range of biological and medical subjects. These include hypothalamic control of reproductive hormones, ovarian function and disorders, epigenetics and DNA methylation, plant molecular biology research, genomics and chromatin dynamics, migraine and headache studies, and axon guidance and neuronal signaling.

Among their recent scholarly contributions are several papers published between 2020 and 2024. Notable works include:

  • MKRN3 inhibits the reproductive axis through actions in kisspeptin-expressing neurons, 2020, Journal of Clinical Investigation
  • GnRH neurons recruit astrocytes in infancy to facilitate network integration and sexual maturation, 2021, Nature Neuroscience
  • Polycomb represses a gene network controlling puberty via modulation of histone demethylase Kdm6b expression, 2021, Scientific Reports
  • MKRN3 inhibits the reproductive axis through actions in kisspeptin-expressing neurons, 2021, Yearbook of Pediatric Endocrinology
  • Persistence, effectiveness, and tolerability of anti-calcitonin gene-related peptide monoclonal antibodies in patients with chronic migraine, 2024, Headache The Journal of Head and Face Pain

Frequent co-authors in Ojeda's research include Alejandro Lomniczi, Carlos A. Toro, Carlos F. Aylwin, Hollis Wright, and Anna de Dios.

Publications by Ojeda have appeared in a variety of scientific venues, such as Headache The Journal of Head and Face Pain, Journal of Clinical Investigation, Nature Neuroscience, Scientific Reports, and Yearbook of Pediatric Endocrinology.

Best Publications

  • Increased hypothalamic GPR54 signaling: a potential mechanism for initiation of puberty in primates.

    Muhammad Shahab;Claudio Mastronardi;Stephanie B. Seminara;William F. Crowley

  • CHAPTER 38 – Puberty in the Rat

    Sergio R. Ojeda;Michael K. Skinner

  • Preclinical Differences of Intravascular AAV9 Delivery to Neurons and Glia: A Comparative Study of Adult Mice and Nonhuman Primates

    Steven James Gray;Valerie Matagne;Lavanya Bachaboina;Swati Yadav

  • Environmental Factors and Puberty Timing: Expert Panel Research Needs

    Germaine M. Buck Louis;L. Earl Gray;Michele Marcus;Sergio R. Ojeda

  • Recent Advances in the Endocrinology of Puberty

    S. R. Ojeda;W. W. Andrews;J. P. Advis;S. Smith White

  • Minireview: The Neuroendocrine Regulation of Puberty: Is the Time Ripe for a Systems Biology Approach?

    Sergio R. Ojeda;Alejandro Lomniczi;Claudio Mastronardi;Sabine Heger

  • Activation of A-Type γ-Aminobutyric Acid Receptors Excites Gonadotropin-Releasing Hormone Neurons

    R. Anthony DeFazio;Sabine Heger;Sergio R. Ojeda;Suzanne M. Moenter

  • Immature rat ovaries become revascularized rapidly after autotransplantation and show a gonadotropin-dependent increase in angiogenic factor gene expression

    Gregory Dissen;H. E. Lara;W. H. Fahrenbach;M. E. Costa

  • Epigenetic control of female puberty

    Alejandro Lomniczi;Alberto Loche;Alberto Loche;Juan Manuel Castellano;Oline K Ronnekleiv;Oline K Ronnekleiv

  • A role for N-methyl-D-aspartate (NMDA) receptors in the control of LH secretion and initiation of female puberty.

    Henryk F. Urbanski;Sergio R. Ojeda

  • Insulin-like growth factor I: a possible metabolic signal involved in the regulation of female puberty.

    Jill K. Hiney;Sergio R. Ojeda;W. Les Dees

  • Nerve growth factor is required for early follicular development in the mammalian ovary.

    Gregory A. Dissen;Carmen Romero;Anne Newman Hirshfield;Sergio R. Ojeda

  • Activation of Luteinizing Hormone-Releasing Hormone Release Advances the Onset of Female Puberty

    Henryk F. Urbanski;Sergio R. Ojeda

  • Preclinical Safety of RNAi-Mediated HTT Suppression in the Rhesus Macaque as a Potential Therapy for Huntington's Disease

    Jodi L McBride;Jodi L McBride;Mark R Pitzer;Ryan L Boudreau;Brett Dufour

  • Androgens regulate aromatase cytochrome P450 messenger ribonucleic acid in rat brain.

    Salah E. Abdelgadir;John A. Resko;Sergio R. Ojeda;Edwin D. Lephart

  • An Increased Intraovarian Synthesis of Nerve Growth Factor and Its Low Affinity Receptor Is a Principal Component of Steroid-Induced Polycystic Ovary in the Rat

    H. E. Lara;G. A. Dissen;V. Leyton;A. Paredes

  • Transforming growth factor-α gene expression in the hypothalamus is developmentally regulated and linked to sexual maturation

    Ying Jun Ma;Marie-Pierre Junier;Maria E. Costa;Sergio R. Ojeda

  • Involvement of transforming growth factor alpha in the release of luteinizing hormone-releasing hormone from the developing female hypothalamus.

    S R Ojeda;H F Urbanski;M E Costa;D F Hill

  • A role for neurotransmitters in early follicular development: induction of functional follicle-stimulating hormone receptors in newly formed follicles of the rat ovary.

    Artur Mayerhofer;Gregory A. Dissen;Maria E. Costa;Sergio R. Ojeda

  • Expression of neurotrophins and their receptors in the mammalian ovary is developmentally regulated: changes at the time of folliculogenesis

    G A Dissen;A N Hirshfield;S Malamed;S R Ojeda

Frequent Co-Authors

Angel Balmaseda
Angel Balmaseda University of California, Berkeley
Vincent Prevot
Vincent Prevot University of Lille
Eva Harris
Eva Harris University of California, Berkeley
Richard L. Stouffer
Richard L. Stouffer Oregon Health & Science University
Oline K. Rønnekleiv
Oline K. Rønnekleiv Oregon Health & Science University
Jacob Raber
Jacob Raber Oregon Health & Science University
Florian Krammer
Florian Krammer Icahn School of Medicine at Mount Sinai
Gabriel Corfas
Gabriel Corfas University of Michigan–Ann Arbor
Henryk F. Urbanski
Henryk F. Urbanski Oregon National Primate Research Center
Beverly L. Davidson
Beverly L. Davidson Children's Hospital of Philadelphia

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