J S O′Brien

4.8k total citations · 1 hit paper
82 papers, 3.9k citations indexed

About

J S O′Brien is a scholar working on Physiology, Molecular Biology and Organic Chemistry. According to data from OpenAlex, J S O′Brien has authored 82 papers receiving a total of 3.9k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Physiology, 44 papers in Molecular Biology and 17 papers in Organic Chemistry. Recurrent topics in J S O′Brien's work include Lysosomal Storage Disorders Research (38 papers), Glycosylation and Glycoproteins Research (26 papers) and Carbohydrate Chemistry and Synthesis (17 papers). J S O′Brien is often cited by papers focused on Lysosomal Storage Disorders Research (38 papers), Glycosylation and Glycoproteins Research (26 papers) and Carbohydrate Chemistry and Synthesis (17 papers). J S O′Brien collaborates with scholars based in United States, United Kingdom and Germany. J S O′Brien's co-authors include Y Kishimoto, J. A. Lowden, Masao Hiraiwa, M. Solèr, Jonathan Matz, J. Thirlwell, Robert G. Townley, H. Fox, Giovanni Della Cioppa and Niroo Gupta and has published in prestigious journals such as Science, New England Journal of Medicine and Proceedings of the National Academy of Sciences.

In The Last Decade

J S O′Brien

81 papers receiving 3.7k citations

Hit Papers

The anti-IgE antibody omalizumab reduces exacerbations an... 2001 2026 2009 2017 2001 200 400 600
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. The anti-IgE antibody omalizumab reduces exacerbations and steroid requirement in allergic asthmatics
    2001 647 citations M. Solèr, Jonathan Matz et al. European Respiratory Journal profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
J S O′Brien United States 33 2.5k 1.7k 690 648 520 82 3.9k
Alexey V. Pshezhetsky Canada 46 1.5k 0.6× 3.0k 1.7× 1.2k 1.8× 178 0.3× 588 1.1× 127 5.0k
John W. Callahan Canada 34 1.8k 0.7× 1.8k 1.0× 1.1k 1.5× 75 0.1× 417 0.8× 125 3.9k
Toshiyuki Fukao Japan 41 2.4k 1.0× 3.0k 1.8× 413 0.6× 201 0.3× 285 0.5× 307 6.3k
Thorsten Marquardt Germany 40 1.6k 0.6× 3.3k 1.9× 779 1.1× 131 0.2× 932 1.8× 156 5.3k
L M Lichtenstein United States 40 2.5k 1.0× 1.1k 0.7× 194 0.3× 468 0.7× 166 0.3× 94 5.4k
Austin K. Mircheff United States 37 1.1k 0.4× 1.4k 0.8× 599 0.9× 127 0.2× 48 0.1× 125 4.4k
Tadao Orii Japan 48 4.2k 1.7× 2.7k 1.6× 820 1.2× 197 0.3× 1.1k 2.1× 251 7.1k
Marco van Eijk Netherlands 35 979 0.4× 1.9k 1.1× 321 0.5× 202 0.3× 294 0.6× 60 4.0k
Alasdair M. Gilfillan United States 46 1.9k 0.8× 2.0k 1.2× 432 0.6× 449 0.7× 149 0.3× 111 6.7k
Jan Ure United Kingdom 16 1.1k 0.4× 1.7k 1.0× 344 0.5× 270 0.4× 57 0.1× 17 4.1k

Countries citing papers authored by J S O′Brien

Since Specialization
Citations

This map shows the geographic impact of J S O′Brien'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 J S O′Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J S O′Brien more than expected).

Fields of papers citing papers by J S O′Brien

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J S O′Brien. 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 J S O′Brien. The network helps show where J S O′Brien may publish in the future.

Co-authorship network of co-authors of J S O′Brien

This figure shows the co-authorship network connecting the top 25 collaborators of J S O′Brien. A scholar is included among the top collaborators of J S O′Brien 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 J S O′Brien. J S O′Brien 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.
Lalloo, Umesh, G. Ainslie, A A Awotedu, et al.. (2013). Guideline for the management of acute asthma in adults: 2013 update - Part 2: March 2013. 103(3). 189–200.
2.
Lalloo, Umesh, G. Ainslie, A A Awotedu, et al.. (2012). Guideline for the management of acute asthma in adults: 2013 update. South African Medical Journal. 103(3). 189–189. 11 indexed citations
3.
Lambert, Gavin, J. Lang, Anthony J. Bull, et al.. (2008). Fluid Restriction during Running Increases GI Permeability. International Journal of Sports Medicine. 29(3). 194–198. 62 indexed citations
4.
Tyther, Raymond, et al.. (2005). Effect of sevoflurane on human neutrophil apoptosis. European Journal of Anaesthesiology. 20(2). 111–115. 9 indexed citations
5.
Buhl, Roland, M. Solèr, Jonathan Matz, et al.. (2002). Omalizumab provides long-term control in patients with moderate-to-severe allergic asthma. European Respiratory Journal. 20(1). 73–78. 162 indexed citations
6.
Misasi, Roberta, Maurizio Sorice, Tina Garofalo, et al.. (1998). Colocalization and Complex Formation Between Prosaposin and Monosialoganglioside GM3 in Neural Cells. Journal of Neurochemistry. 71(6). 2313–2321. 41 indexed citations
7.
Gordon, Brett, Ken Gordon, Hyeonglim Seo, et al.. (1995). Fucosidosis with Dystonia. Neuropediatrics. 26(6). 325–327. 9 indexed citations
8.
Azuma, Norihiro, J S O′Brien, H. W. Moser, & Y Kishimoto. (1994). Stimulation of Acid Ceramidase Activity by Saposin D. Archives of Biochemistry and Biophysics. 311(2). 354–357. 67 indexed citations
9.
Hiraiwa, Masao, et al.. (1993). Isolation, Characterization, and Proteolysis of Human Prosaposin, the Precursor of Saposins (Sphingolipid Activator Proteins). Archives of Biochemistry and Biophysics. 304(1). 110–116. 87 indexed citations
10.
North, Michael, Carole A. Sargent, J S O′Brien, et al.. (1991). Comparison of ZFY and ZFX gene structure and analysis of alternative 3' untranslated regions of ZFY. Nucleic Acids Research. 19(10). 2579–2586. 24 indexed citations
11.
Fraser, Scott P., M.B.A. Djamgoz, P.N.R. Usherwood, et al.. (1990). Amino acid receptors from insect muscle: electrophysiological characterization in Xenopus oocytes following expression by injection of mRNA. Molecular Brain Research. 8(4). 331–341. 12 indexed citations
12.
Guazzi, Stefania, et al.. (1989). Heterogeneity of mRNA expression in Italian fucosidosis patients. Human Genetics. 82(1). 63–66. 6 indexed citations
13.
Affara, Nabeel A., D. Chambers, J S O′Brien, et al.. (1989). Evidence for distinguishable transcripts of the putative testis determining gene (ZFY) and mapping of homologous cDNA sequences to chromosomes X,Y and 9. Nucleic Acids Research. 17(8). 2987–2999. 28 indexed citations
14.
Willems, Patrick J., et al.. (1988). Intrafamilial variability in fucosidosis. Clinical Genetics. 34(1). 7–14. 21 indexed citations
15.
O′Brien, J S, Patrick J. Willems, H. Fukushima, et al.. (1987). Molecular Biology of the Alpha-L-Fucosidase Gene andFucosidosis. Enzyme. 38(1-4). 45–53. 19 indexed citations
16.
Fowler, Matthew L., H. Nakai, M.G. Byers, et al.. (1986). Chromosome 1 localization of the human alpha-L-fucosidase structural gene with a homologous site on chromosome 2. Cytogenetic and Genome Research. 43(1-2). 103–108. 29 indexed citations
17.
O′Brien, J S, et al.. (1978). Effect of levamisole on metabolism of phagocytic cells.. PubMed. 62(11). 1637–40. 2 indexed citations
18.
Pilz, H., J S O′Brien, & R. Heipertz. (1976). Human leukocyte peroxidase: Activity of a soluble and membrane-bound enzyme form in normal persons and patients with neuronal ceroid-lipofuscinosis. Metabolism. 25(5). 561–570. 12 indexed citations
19.
Holmes, E W, et al.. (1975). Characterization of beta-D-galactosidase isolated from I-cell disease liver.. Europe PMC (PubMed Central). 27(6). 719–27. 16 indexed citations
20.
O′Brien, J S, M. W. Ho, M. Lois Veath, et al.. (1972). Juvenile GM1 gangliosidosis: Clinical, pathological, chemical and enzymatic studies. Clinical Genetics. 3(6). 411–434. 34 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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