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Molecular neuroscience at its “high”: bibliometric analysis of the most cited papers on endocannabinoid system, cannabis and cannabinoids

  • Yeung, Andy Wai Kan1
  • Tzvetkov, Nikolay T.2, 3
  • Arkells, Nicolas4
  • Milella, Luigi5
  • Stankiewicz, Adrian M.6
  • Huminiecki, Łukasz6
  • Horbanczuk, Olaf K.7
  • Atanasov, Atanas G.6, 8, 9
  • 1 The University of Hong Kong, Oral and Maxillofacial Radiology, Applied Oral Sciences, Faculty of Dentistry, Hong Kong, China , Hong Kong (China)
  • 2 Institute of Molecular Biology “Roumen Tsanev”, Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria , Sofia (Bulgaria)
  • 3 Pharmaceutical Institute, University of Bonn, Bonn, Germany , Bonn (Germany)
  • 4 Wrazel, 49 Discovery, Suite 180, Irvine, CA, 92618, USA , Irvine (United States)
  • 5 University of Basilicata, Department of Science, V.le dell’Ateneo Lucano 10, Potenza, 85100, Italy , Potenza (Italy)
  • 6 The Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Magdalenka, Poland , Magdalenka (Poland)
  • 7 Warsaw University of Life Sciences, Faculty of Human Nutrition and Consumer Sciences, Warsaw, 02-776, Poland , Warsaw (Poland)
  • 8 University of Vienna, Department of Pharmacognosy, Vienna, Austria , Vienna (Austria)
  • 9 GLOBE Program Association (GLOBE-PA), Grandville, MI, USA , Grandville (United States)
Published Article
Journal of Cannabis Research
BioMed Central
Publication Date
Jun 07, 2019
DOI: 10.1186/s42238-019-0004-y
Springer Nature


BackgroundCannabis, cannabinoids and endocannabinoids are heavily investigated topics with many articles published every year. We aimed to identify the 100 most cited manuscripts among the vast literature and analyze their contents.MethodsWeb of Science (WoS) Core Collection was searched to identify the 100 most cited relevant manuscripts, which were analyzed with reference to (1) authorship, (2) institution, (3) country, (4) document type, (5) journal, (6) publication year, (7) WoS category, and (8) citation count. Semantic content and citation data of the manuscripts were analyzed with VOSviewer.ResultsThe most cited manuscripts were published between 1986 and 2016, with the majority being published in the 2000s (n = 51). The number of citations for the top 100 articles ranged from 469 to 3651, with a median citation count of 635.5. The most prolific authors were Vincenzo Di Marzo (n = 11) and Daniele Piomelli (n = 11). The major contributing countries were USA (n = 49), Italy (n = 22), UK (n = 19), and France (n = 11). The most prolific institutions were University of California (n = 14), National Research Council of Italy (n = 12) and National Institutes of Health USA (n = 12). The manuscripts consisted of original articles (n = 75), reviews (n = 24) and a note (n = 1). The most dominant journal was Nature (n = 15). The major WoS categories associated were Multidisciplinary sciences (n = 31), Neurosciences (n = 20), Pharmacology / Pharmacy (n = 16), and General / Internal Medicine (n = 11).ConclusionsThe top-ranked manuscripts among the 100 were concerning analgesia, weight loss, long-term potentiation, depolarization-induced suppression of inhibition, opiates and other topics. Cannabinoid type 1 (CB1) receptor was studied by more of the top 100 papers in comparison to cannabinoid type 2 (CB2) receptor. The most frequently mentioned chemicals in these publications were 2-arachidonoylglycerol, tetrahydrocannabinol, and anandamide. Together, these manuscripts comprise the most highly cited publications in the topic, literally the molecular neuroscience at its “high”.

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