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Nonprofit · Tehran · Iran

Royan Institute

In research, Royan Institute stands highest in Life Sciences (#3,610 of 7,800 worldwide), Medicine (#5,047 of 10,443 worldwide) and Health Sciences (#6,486 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Reproductive Medicine — Reproductive Medicine is 46.1× its share of world research.

royaninstitute.org/cmsen/index.phpROR OpenAlex
World rank, 2022–2025
#8,186
of 28,054 · #11,712 all time
Rank in Iran
#155
of 301
Research works
1.5k
▲ 47% vs 2013–17
Citations
29k
19.6 per fractional work
Top-10% rate
17.5%
record average 16.5%
Open access
56%
world 28%

What is Royan Institute known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Life SciencesDomain #3,610 of 7,800 16.3%126 #4529
MedicineField #5,047 of 10,443 18.0%180 #7639
Health SciencesDomain #6,486 of 11,982 18.2%186 #9485
Biochemistry, Genetics and Molecular BiologyField #2,937 of 3,579 17.2%84 #3957

Each strip is that field’s whole ranked pool, with the notch where Royan Institute sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Life Sciences#4,529 #3,610
  2. Medicine#7,639 #5,047
  3. Health Sciences#9,485 #6,486
  4. Biochemistry, Genetics and Molecular Biology#3,957 #2,937
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Royan Institute specialise in?

Where its research is concentrated relative to its size: Reproductive Medicine takes 46.1× the share of its output that it takes of world research.

  1. Reproductive MedicineSubfield · 37.6 works46×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.52× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 4.36× its world share, 84 worksBiochemistry, Geneti…Immunology and Microbiology: 4.70× its world share, 17 worksImmunology and Micro…Neuroscience: 2.21× its world share, 13 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.49× its world share, 2 worksPharmacology, Toxico…Chemical Engineering: 0.23× its world share, 0 worksChemical EngineeringChemistry: 0.34× its world share, 2 worksChemistryComputer Science: 0.04× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Energy: 0.05× its world share, 0 worksEnergyEngineering: 0.41× its world share, 23 worksEngineeringEnvironmental Science: 0.05× its world share, 1 worksEnvironmental ScienceMaterials Science: 1.44× its world share, 18 worksMaterials ScienceMathematics: 0.06× its world share, 0 worksMathematicsPhysics and Astronomy: 0.08× its world share, 1 worksPhysics and AstronomyDentistry: 1.24× its world share, 2 worksDentistryHealth Professions: 0.19× its world share, 2 worksHealth ProfessionsMedicine: 2.58× its world share, 180 worksMedicineNursing: 1.12× its world share, 2 worksNursingVeterinary: 1.09× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.07× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.15× its world share, 1 worksEconomics, Econometr…Psychology: 0.18× its world share, 2 worksPsychologySocial Sciences: 0.03× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Immunology and Microbiology, 4.7×. Every wedge is a field page.

Who are the top researchers at Royan Institute?

Ranked on the composite score, Payam Amini, Reza Omani‐Samani and Mehdi Totonchi lead among researchers whose main affiliation is Royan Institute.

  1. 1 Payam Amini · #366,188 worldwide 79 citations · 27 works
  2. 2 Reza Omani‐Samani · #453,995 worldwide 44 citations · 23 works
  3. 3 Mehdi Totonchi · #558,851 worldwide 99 citations · 28 works
  4. 4 Nasser Aghdami · #601,174 worldwide 89 citations · 32 works
  5. 5 Mojtaba Rezazadeh Valojerdi · #687,235 worldwide 39 citations · 22 works
  6. 6 Hossein Baharvand · #694,709 worldwide 241 citations · 126 works
  7. 7 Hamid Gourabi · #746,726 worldwide 79 citations · 38 works
  8. 8 Marziyeh Tavalaee · #756,330 worldwide 26 citations · 31 works
  9. 9 Firoozeh Ahmadi · #760,153 worldwide 18 citations · 26 works
  10. 10 Mahdi Sepidarkish · #818,875 worldwide 53 citations · 25 works
All ranked researchers at Royan Institute

Which keywords describe research at Royan Institute?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Oxidative Stress, Cancer, Tissue Engineering, Fertility Preservation, Ovarian Tissue Cryopreservation, Regenerative Medicine, Drug Delivery and Infertility.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Oxidative Stress36▲ 6.0×51 topics
  2. Cancer29▲ 6.0×44 topics
  3. Inflammation28▲ 3.7×68 topics
  4. Tissue Engineering26▲ 12×13 topics
  5. Fertility Preservation24▲ 117×1 topic
  6. Ovarian Tissue Cryopreservation24▲ 117×1 topic
  7. Regenerative Medicine23▲ 25×6 topics
  8. Drug Delivery22▲ 11×10 topics
  9. Metabolic Syndrome21▲ 7.2×19 topics
  10. Infertility21▲ 41×3 topics
  11. Biomedical Applications20▲ 4.5×26 topics
  12. Cardiovascular Disease18▲ 4.6×26 topics
  13. Obesity16▲ 5.8×14 topics
  14. Biomarkers16▲ 6.3×15 topics
  15. Insulin Resistance15▲ 9.2×9 topics
  16. Androgen Receptor15▲ 55×2 topics
  17. Sperm DNA Fragmentation14▲ 123×1 topic
  18. Spermatogonial Stem Cells14▲ 123×1 topic
  19. Angiogenesis14▲ 12×13 topics
  20. Regeneration14▲ 20×5 topics
  21. Differentiation14▲ 61×2 topics
  22. Biogenesis13▲ 21×3 topics
  23. Fertility13▲ 42×3 topics
  24. Ovarian Reserve12▲ 78×1 topic
  25. Polycystic Ovary Syndrome12▲ 78×1 topic
  26. Gene Expression12▲ 5.4×13 topics
  27. Biomaterials11▲ 13×7 topics
  28. Transcriptional Regulation10▲ 18×8 topics
  29. Metastasis10▲ 8.1×10 topics
  30. Regulation10▲ 5.1×9 topics
  31. Immune Regulation10▲ 24×4 topics
  32. Regulatory T Cells10▲ 23×4 topics
  33. Mesenchymal Stem Cells10▲ 25×3 topics
  34. Decidual NK Cells9▲ 66×1 topic
  35. Fetal-Maternal Interface9▲ 66×1 topic
  36. Pluripotent Stem Cells9▲ 47×2 topics
  37. Stem Cells9▲ 9.7×12 topics
  38. Extracellular Matrix9▲ 14×7 topics
  39. Stem Cell Therapy8▲ 26×3 topics
  40. Cell Culture8▲ 19×3 topics

Which research topics does Royan Institute publish most on?

By volume in 2022–2025: Reproductive Biology and Fertility, Sperm and Testicular Function, Ovarian function and disorders and Reproductive System and Pregnancy.

Reproductive Biology and…24Reproductive Biology and Fertility: 24 fractional worksSperm and Testicular Function: 14 fractional worksOvarian function and disorders: 12 fractional worksReproductive System and Pregnancy: 9 fractional worksTissue Engineering and Regenerative Medicine: 7 fractional worksPluripotent Stem Cells Research: 7 fractional worksMesenchymal stem cell research: 7 fractional worksElectrospun Nanofibers in Biomedical Applications: 7 fractional worksMicroRNA in disease regulation: 6 fractional works3D Printing in Biomedical Research: 6 fractional works
Public Health, Environmental and Occupational HealthReproductive MedicineImmunologySurgery5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Reproductive Biology and Fertility Public Health, Environmental and Occupational Health 24 works
  2. 2 Sperm and Testicular Function Reproductive Medicine 14 works
  3. 3 Ovarian function and disorders Reproductive Medicine 12 works
  4. 4 Reproductive System and Pregnancy Immunology 9 works
  5. 5 Tissue Engineering and Regenerative Medicine Surgery 7 works
  6. 6 Pluripotent Stem Cells Research Molecular Biology 7 works
  7. 7 Mesenchymal stem cell research Genetics 7 works
  8. 8 Electrospun Nanofibers in Biomedical Applications Biomaterials 7 works
  9. 9 MicroRNA in disease regulation Cancer Research 6 works
  10. 10 3D Printing in Biomedical Research Biomedical Engineering 6 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available55.5%not open44.5%

World: 28% of research is openly available.

with international co-authors18.4%domestic only81.6%

World: 19% is written across borders.

How has Royan Institute's research output changed?

Output in 2018–2022 was 47% higher than in 2013–2017.

20002005201020152020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Tehran

All research institutions in Tehran

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.