Igor Hisashi Murai

1.2k total citations · 1 hit paper
25 papers, 706 citations indexed

About

Igor Hisashi Murai is a scholar working on Physiology, Pathology and Forensic Medicine and Cell Biology. According to data from OpenAlex, Igor Hisashi Murai has authored 25 papers receiving a total of 706 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Physiology, 6 papers in Pathology and Forensic Medicine and 6 papers in Cell Biology. Recurrent topics in Igor Hisashi Murai's work include Vitamin D Research Studies (6 papers), Muscle metabolism and nutrition (6 papers) and Bariatric Surgery and Outcomes (4 papers). Igor Hisashi Murai is often cited by papers focused on Vitamin D Research Studies (6 papers), Muscle metabolism and nutrition (6 papers) and Bariatric Surgery and Outcomes (4 papers). Igor Hisashi Murai collaborates with scholars based in Brazil, United States and Australia. Igor Hisashi Murai's co-authors include Bruno Gualano, Rosa Maria Rodrigues Pereira, Alan Lins Fernandes, Leila Antonângelo, Bruna Zavarize Reis, Lucas Peixoto Sales, Valéria F. Caparbo, Ana Jéssica Pinto, Karla Fabiana Goessler and Janaína Baggio and has published in prestigious journals such as JAMA, American Journal of Clinical Nutrition and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

Igor Hisashi Murai

25 papers receiving 686 citations

Hit Papers

Effect of a Single High D... 2021 2026 2022 2024 2021 100 200 300
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Effect of a Single High Dose of Vitamin D 3 on Hospital Length of Stay in Patients With Moderate to Severe COVID-19
    2021 345 citations Igor Hisashi Murai, Alan Lins Fernandes et al. JAMA profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Igor Hisashi Murai Brazil 12 308 285 281 150 105 25 706
Alan Lins Fernandes Brazil 12 309 1.0× 293 1.0× 285 1.0× 174 1.2× 42 0.4× 24 748
Surya Prakash Bhatt India 18 133 0.4× 159 0.6× 33 0.1× 268 1.8× 108 1.0× 44 1.0k
Michael A. Via United States 12 89 0.3× 132 0.5× 51 0.2× 232 1.5× 190 1.8× 21 679
Zhaleh Shadman Iran 13 42 0.1× 72 0.3× 87 0.3× 201 1.3× 59 0.6× 40 566
Gianmaria Salvio Italy 14 128 0.4× 72 0.3× 50 0.2× 33 0.2× 32 0.3× 41 515
Arun Maseeh India 4 290 0.9× 134 0.5× 28 0.1× 56 0.4× 34 0.3× 8 444
Eloisa Garcia-Velasquez Ecuador 8 89 0.3× 63 0.2× 52 0.2× 133 0.9× 37 0.4× 13 395
Antonio Nesci Italy 12 16 0.1× 110 0.4× 103 0.4× 210 1.4× 94 0.9× 21 608
Nasima Mannan United Kingdom 9 502 1.6× 262 0.9× 13 0.0× 200 1.3× 84 0.8× 13 939
Emel Torun Türkiye 15 94 0.3× 73 0.3× 54 0.2× 129 0.9× 48 0.5× 41 601

Countries citing papers authored by Igor Hisashi Murai

Since Specialization
Citations

This map shows the geographic impact of Igor Hisashi Murai's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Igor Hisashi Murai with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Igor Hisashi Murai more than expected).

Fields of papers citing papers by Igor Hisashi Murai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Igor Hisashi Murai. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Igor Hisashi Murai. The network helps show where Igor Hisashi Murai may publish in the future.

Co-authorship network of co-authors of Igor Hisashi Murai

This figure shows the co-authorship network connecting the top 25 collaborators of Igor Hisashi Murai. A scholar is included among the top collaborators of Igor Hisashi Murai based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Igor Hisashi Murai. Igor Hisashi Murai is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Murai, Igor Hisashi, Alan Lins Fernandes, Lucas Peixoto Sales, et al.. (2024). The severity of COVID-19 upon hospital admission is associated with plasma omega-3 fatty acids. Scientific Reports. 14(1). 10238–10238. 2 indexed citations
2.
Franco, André Silva, Igor Hisashi Murai, Liliam Takayama, et al.. (2023). Assessment of Bone Microarchitecture in Patients with Systemic Mastocytosis and its Association with Clinical and Biochemical Parameters of the Disease. Calcified Tissue International. 113(3). 276–285. 1 indexed citations
3.
Gil, Saulo, John P. Kirwan, Igor Hisashi Murai, et al.. (2022). Exercise modifies hypothalamic connectivity and brain functional networks in women after bariatric surgery: a randomized clinical trial. International Journal of Obesity. 47(3). 165–174. 5 indexed citations
4.
Fernandes, Alan Lins, et al.. (2022). Persistent or new symptoms 1 year after a single high dose of vitamin D3 in patients with moderate to severe COVID-19. Frontiers in Nutrition. 9. 979667–979667. 8 indexed citations
5.
Fernandes, Alan Lins, Igor Hisashi Murai, Bruna Zavarize Reis, et al.. (2022). Effect of a single high dose of vitamin D3 on cytokines, chemokines, and growth factor in patients with moderate to severe COVID-19. American Journal of Clinical Nutrition. 115(3). 790–798. 32 indexed citations
6.
Fernandes, Alan Lins, Bruna Zavarize Reis, Igor Hisashi Murai, & Rosa Maria Rodrigues Pereira. (2022). Prognostic Nutritional Index and Oxygen Therapy Requirement Associated With Longer Hospital Length of Stay in Patients With Moderate to Severe COVID-19: Multicenter Prospective Cohort Analyses. Frontiers in Nutrition. 9. 802562–802562. 10 indexed citations
7.
Reis, Bruna Zavarize, Alan Lins Fernandes, Lucas Peixoto Sales, et al.. (2021). Influence of vitamin D status on hospital length of stay and prognosis in hospitalized patients with moderate to severe COVID-19: a multicenter prospective cohort study. American Journal of Clinical Nutrition. 114(2). 598–604. 31 indexed citations
8.
Pinto, Ana Jéssica, Karla Fabiana Goessler, Alan Lins Fernandes, et al.. (2021). No independent associations between physical activity and clinical outcomes among hospitalized patients with moderate to severe COVID-19. Journal of sport and health science. 10(6). 690–696. 12 indexed citations
9.
Murai, Igor Hisashi, Alan Lins Fernandes, Lucas Peixoto Sales, et al.. (2021). Effect of a Single High Dose of Vitamin D 3 on Hospital Length of Stay in Patients With Moderate to Severe COVID-19. JAMA. 325(11). 1053–1053. 345 indexed citations breakdown →
10.
Gil, Saulo, Karla Fabiana Goessler, Wagner S. Dantas, et al.. (2021). Constraints of Weight Loss as a Marker of Bariatric Surgery Success: An Exploratory Study. Frontiers in Physiology. 12. 640191–640191. 6 indexed citations
11.
Gil, Saulo, Tiago Peçanha, Wagner S. Dantas, et al.. (2020). Exercise Enhances the Effect of Bariatric Surgery in Markers of Cardiac Autonomic Function. Obesity Surgery. 31(3). 1381–1386. 10 indexed citations
12.
Murai, Igor Hisashi, Hamilton Roschel, Wagner S. Dantas, et al.. (2019). Exercise Mitigates Bone Loss in Women With Severe Obesity After Roux-en-Y Gastric Bypass: A Randomized Controlled Trial. The Journal of Clinical Endocrinology & Metabolism. 104(10). 4639–4650. 56 indexed citations
13.
Gil, Saulo, Wagner S. Dantas, Igor Hisashi Murai, et al.. (2019). Exercise Mitigates The Loss In Muscle Mass And Functionality In Obese Women Undergoing Bariatric Surgery. Medicine & Science in Sports & Exercise. 51(6S). 418–419. 1 indexed citations
14.
Dolan, Eimear, Bryan Saunders, Wagner S. Dantas, et al.. (2018). A Comparative Study of Hummingbirds and Chickens Provides Mechanistic Insight on the Histidine Containing Dipeptide Role in Skeletal Muscle Metabolism. Scientific Reports. 8(1). 14788–14788. 18 indexed citations
15.
Murai, Igor Hisashi, Hamilton Roschel, Rodrigo Cardoso de Oliveira, et al.. (2015). Exercise training, creatine supplementation, and bone health in ovariectomized rats. Osteoporosis International. 26(4). 1395–1404. 10 indexed citations
16.
Dörr, Felipe Augusto, Ernani Pinto, Marina Yázigi Solis, et al.. (2015). Can creatine supplementation form carcinogenic heterocyclic amines in humans?. The Journal of Physiology. 593(17). 3959–3971. 22 indexed citations
17.
Murai, Igor Hisashi, et al.. (2013). Low-intensity swimming training does not improve hypertension in rats. LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas). 309–316. 2 indexed citations
18.
Lugaresi, Rebeca, Vítor de Salles Painelli, Igor Hisashi Murai, et al.. (2013). Does long-term creatine supplementation impair kidney function in resistance-trained individuals consuming a high-protein diet?. Journal of the International Society of Sports Nutrition. 10(1). 26–26. 40 indexed citations
19.
Alves, Christiano R. R., Igor Hisashi Murai, Humberto Nicastro, et al.. (2012). Influência da suplementação de creatina sobre a massa óssea de ratos espontaneamente hipertensos. Revista Brasileira de Reumatologia. 52(3). 457–461. 5 indexed citations
20.
Alves, Christiano R. R., Igor Hisashi Murai, Humberto Nicastro, et al.. (2012). No effect of creatine supplementation on oxidative stress and cardiovascular parameters in spontaneously hypertensive rats. Journal of the International Society of Sports Nutrition. 9(1). 13–13. 6 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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