World's Best Scientists 2026 revealed!
Juan Carlos Roa

Juan Carlos Roa

D-Index & Metrics

Biology and Biochemistry

D-Index
51
Citations
11474
World Ranking
17039
National Ranking
386

Juan Carlos Roa publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Juan Carlos Roa sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 90 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Juan Carlos Roa D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Juan Carlos Roa sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 51 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Juan Carlos Roa is affiliated with the University of Córdoba in Spain and specializes in the field of medicine with a focus on reproductive medicine as well as endocrine and autonomic systems. Their work also encompasses molecular biology, obstetrics and gynecology, and pediatrics, perinatology, and child health.

Their research primarily explores the hypothalamic control of reproductive hormones, ovarian function and disorders, and the regulation of appetite and obesity. Additional topics include plant reproductive biology, birth, development, and health, gestational diabetes research and management, and circadian rhythm and melatonin.

Juan Carlos Roa has published several papers recently, including:

  • "Central Ceramide Signaling Mediates Obesity-Induced Precocious Puberty" (2020, Cell Metabolism)
  • "Small extracellular vesicle-mediated targeting of hypothalamic AMPKα1 corrects obesity through BAT activation" (2021, Nature Metabolism)
  • "AMP-activated protein kinase (AMPK) signaling in GnRH neurons links energy status and reproduction" (2020, Metabolism)
  • "Dicer ablation in Kiss1 neurons impairs puberty and fertility preferentially in female mice" (2022, Nature Communications)
  • "Central and peripheral mechanisms involved in the control of GnRH neuronal function by metabolic factors" (2023, Current Opinion in Pharmacology)

They frequently publish in journals such as Metabolism, Cell Metabolism, Nature Metabolism, Nature Communications, and Current Opinion in Pharmacology.

Their frequent co-authors include:

  • Manuel Tena-Sempere (9 joint publications)
  • Inmaculada Velasco (6 joint publications)
  • Francisco Ruíz-Pino (6 joint publications)
  • María J. Vázquez (5 joint publications)
  • Carlos Diéguez (4 joint publications)

Best Publications

  • Developmental and Hormonally Regulated Messenger Ribonucleic Acid Expression of KiSS-1 and Its Putative Receptor, GPR54, in Rat Hypothalamus and Potent Luteinizing Hormone-Releasing Activity of KiSS-1 Peptide

    V M Navarro;J M Castellano;R Fernández-Fernández;M L Barreiro

  • Exome sequencing identifies frequent inactivating mutations in BAP1, ARID1A and PBRM1 in intrahepatic cholangiocarcinomas

    Yuchen Jiao;Timothy M Pawlik;Robert A Anders;Florin M Selaru

  • Changes in hypothalamic KiSS-1 system and restoration of pubertal activation of the reproductive axis by kisspeptin in undernutrition.

    J M Castellano;V M Navarro;R Fernández-Fernández;R Nogueiras

  • Advanced vaginal opening and precocious activation of the reproductive axis by KiSS-1 peptide, the endogenous ligand of GPR54

    V. M. Navarro;R. Fernández-Fernández;J. M. Castellano;J. Roa

  • Sexual differentiation of Kiss1 gene expression in the brain of the rat

    Alexander S. Kauffman;Michelle L. Gottsch;Juan Roa;Alisa C. Byquist

  • Characterization of the potent luteinizing hormone-releasing activity of KiSS-1 peptide, the natural ligand of GPR54.

    V M Navarro;J M Castellano;R Fernández-Fernández;S Tovar

  • New frontiers in kisspeptin/GPR54 physiology as fundamental gatekeepers of reproductive function.

    Juan Roa;Enrique Aguilar;Enrique Aguilar;Carlos Dieguez;Carlos Dieguez;Leonor Pinilla;Leonor Pinilla

  • Effects of KiSS-1 peptide, the natural ligand of GPR54, on follicle-stimulating hormone secretion in the rat.

    V. M. Navarro;J. M. Castellano;R. Fernández-Fernández;S. Tovar

  • Expression of Hypothalamic KiSS-1 System and Rescue of Defective Gonadotropic Responses by Kisspeptin in Streptozotocin-Induced Diabetic Male Rats

    Juan M. Castellano;Victor M. Navarro;Rafael Fernández-Fernández;Juan Roa

  • Expression of KiSS-1 in Rat Ovary: Putative Local Regulator of Ovulation?

    J M Castellano;M Gaytan;J Roa;E Vigo

  • Intracholecystic papillary-tubular neoplasms (ICPN) of the gallbladder (neoplastic polyps, adenomas, and papillary neoplasms that are ≥1.0 cm): clinicopathologic and immunohistochemical analysis of 123 cases.

    Volkan Adsay;Kee Taek Jang;Juan Carlos Roa;Nevra Dursun

  • The Mammalian Target of Rapamycin as Novel Central Regulator of Puberty Onset via Modulation of Hypothalamic Kiss1 System

    J Roa;D Garcia-Galiano;L Varela;M A Sánchez-Garrido

  • A microRNA switch regulates the rise in hypothalamic GnRH production before puberty

    Andrea Messina;Andrea Messina;Andrea Messina;Fanny Langlet;Fanny Langlet;Fanny Langlet;Konstantina Chachlaki;Konstantina Chachlaki;Juan Roa;Juan Roa

  • Tumor location is a strong predictor of tumor progression and survival in T2 gallbladder cancer: an international multicenter study.

    Junichi Shindoh;Xabier de Aretxabala;Thomas A Aloia;Juan C arlos Roa

  • Gallbladder cancer: a morphological and molecular update

    Robert David Goldin;Juan Carlos Roa

  • Hypothalamic AMPK-ER Stress-JNK1 Axis Mediates the Central Actions of Thyroid Hormones on Energy Balance

    Noelia Martínez-Sánchez;Patricia Seoane-Collazo;Cristina Contreras;Luis Varela

  • Preneoplastic lesions in gallbladder cancer

    Iván Roa;Xabier de Aretxabala;Juan C. Araya;Juan Roa

  • KiSS-1 in the mammalian ovary: distribution of kisspeptin in human and marmoset and alterations in KiSS-1 mRNA levels in a rat model of ovulatory dysfunction.

    Francisco Gaytan;Maria Gaytan;Juan Manuel Castellano;Magdalena Romero

  • Metabolic control of puberty onset: new players, new mechanisms.

    Juan Roa;David García-Galiano;Juan M. Castellano;Francisco Gaytan

  • Hypothalamic Expression of KiSS-1 System and Gonadotropin-Releasing Effects of Kisspeptin in Different Reproductive States of the Female Rat

    J. Roa;E. Vigo;J. M. Castellano;V. M. Navarro

Frequent Co-Authors

Manuel Tena-Sempere
Manuel Tena-Sempere University of Córdoba
Leonor Pinilla
Leonor Pinilla University of Córdoba
Carlos Dieguez
Carlos Dieguez University of Santiago de Compostela
Akhilesh Pandey
Akhilesh Pandey Mayo Clinic
Volkan Adsay
Volkan Adsay Koç University
Miguel López
Miguel López University of Santiago de Compostela
Catterina Ferreccio
Catterina Ferreccio Pontificia Universidad Católica de Chile
Sergio Lavandero
Sergio Lavandero University of Chile
Rubén Nogueiras
Rubén Nogueiras University of Santiago de Compostela
Allan Hildesheim
Allan Hildesheim National Institutes of Health

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