Louis J. Ptáček

19.9k total citations · 2 hit papers
179 papers, 12.4k citations indexed

About

Louis J. Ptáček is a scholar working on Molecular Biology, Cellular and Molecular Neuroscience and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Louis J. Ptáček has authored 179 papers receiving a total of 12.4k indexed citations (citations by other indexed papers that have themselves been cited), including 101 papers in Molecular Biology, 61 papers in Cellular and Molecular Neuroscience and 48 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Louis J. Ptáček's work include Ion channel regulation and function (65 papers), Cardiac electrophysiology and arrhythmias (45 papers) and Circadian rhythm and melatonin (40 papers). Louis J. Ptáček is often cited by papers focused on Ion channel regulation and function (65 papers), Cardiac electrophysiology and arrhythmias (45 papers) and Circadian rhythm and melatonin (40 papers). Louis J. Ptáček collaborates with scholars based in United States, Italy and Canada. Louis J. Ptáček's co-authors include Ying‐Hui Fu, Christopher R. Jones, Robert C. Griggs, Rabi Tawil, Saı̈d Bendahhou, Ying Xu, Yan He, David M. Virshup, Erik J. Eide and Martin Tristani‐Firouzi and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

Louis J. Ptáček

175 papers receiving 12.1k citations

Hit Papers

align trajectories sort by overperformance

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.

An h Per2 Phosphorylation Site Mutation in Familial Advanced Sleep Phase Syndrome

2001 1.0k citations Louis J. Ptáček, Ying‐Hui Fu et al. Science profile →
Functional consequences of a CKIδ mutation causing familial advanced sleep phase syndrome

2005 593 citations Ying Xu, Louis J. Ptáček et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Louis J. Ptáček United States	63	6.7k	4.0k	3.0k	3.0k	1.6k	179	12.4k
Ying‐Hui Fu United States	45	7.1k 1.1×	3.5k 0.9×	3.1k 1.0×	680 0.2×	1.0k 0.6×	106	13.3k
Douglas A. Bayliss United States	71	7.1k 1.1×	5.1k 1.3×	5.4k 1.8×	1.9k 0.7×	461 0.3×	161	14.7k
Teresa A. Milner United States	75	6.3k 0.9×	9.2k 2.3×	1.8k 0.6×	800 0.3×	1.1k 0.6×	270	19.6k
Andrew Charles United States	56	4.0k 0.6×	3.1k 0.8×	1.7k 0.5×	205 0.1×	762 0.5×	135	11.2k
Pertti Panula Finland	69	6.7k 1.0×	5.9k 1.5×	3.5k 1.1×	189 0.1×	525 0.3×	344	16.9k
Aryeh Routtenberg United States	61	5.4k 0.8×	7.8k 1.9×	961 0.3×	426 0.1×	377 0.2×	228	13.3k
Wayne N. Frankel United States	33	2.9k 0.4×	2.0k 0.5×	2.6k 0.9×	266 0.1×	270 0.2×	72	7.2k
Emiliana Borrelli France	62	6.7k 1.0×	6.4k 1.6×	1.0k 0.3×	170 0.1×	1.0k 0.6×	116	12.7k
Christoph Kellendonk United States	51	3.8k 0.6×	4.1k 1.0×	1.8k 0.6×	140 0.0×	526 0.3×	93	11.2k
Serge N. Schiffmann Belgium	58	6.2k 0.9×	5.9k 1.5×	887 0.3×	170 0.1×	1.2k 0.7×	175	12.5k

Countries citing papers authored by Louis J. Ptáček

Since Specialization

Citations

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

Fields of papers citing papers by Louis J. Ptáček

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Louis J. Ptáček. 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 Louis J. Ptáček. The network helps show where Louis J. Ptáček may publish in the future.

Co-authorship network of co-authors of Louis J. Ptáček

This figure shows the co-authorship network connecting the top 25 collaborators of Louis J. Ptáček. A scholar is included among the top collaborators of Louis J. Ptáček 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 Louis J. Ptáček. Louis J. Ptáček is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Levine, Daniel C., et al.. (2025). Unsaturated fat alters clock phosphorylation to align rhythms to the season in mice. Science. 390(6771). eadp3065–eadp3065.

Ptáček, Louis J., et al.. (2024). Andersen-Tawil syndrome. Handbook of clinical neurology. 59–67.

Xing, Lijuan, et al.. (2024). Diverse roles of pontine NPS-expressing neurons in sleep regulation. Proceedings of the National Academy of Sciences. 121(9). e2320276121–e2320276121. 4 indexed citations

Hirano, Arisa, Pei-Ken Hsu, Luoying Zhang, et al.. (2018). DEC2 modulates orexin expression and regulates sleep. Proceedings of the National Academy of Sciences. 115(13). 3434–3439. 55 indexed citations

Hirano, Arisa, Guangsen Shi, Christopher Jones, et al.. (2016). A Cryptochrome 2 mutation yields advanced sleep phase in humans. eLife. 5. 96 indexed citations

Lin, Shuting, Luoying Zhang, Valentina E. Garcia, et al.. (2014). Nuclear envelope protein MAN1 regulates clock through BMAL1. eLife. 3. e02981–e02981. 24 indexed citations

Hoffmann, Jan, Margarida Martins-Oliveira, Simon Akerman, et al.. (2014). The CK1δ T44A Mutation Affects Nociceptive Activation of the Trigeminocervical Complex in an In Vivo Model of Migraine (P1.258). Neurology. 82(10_supplement). 1 indexed citations

Ptáček, Louis J., et al.. (2013). Sick and tired: how molecular regulators of human sleep schedules and duration impact immune function. Current Opinion in Neurobiology. 23(5). 873–879. 6 indexed citations

Edwards, Robert H., et al.. (2012). Mutations in the Novel Protein PRRT2 Cause Paroxysmal Kinesigenic Dyskinesia with Infantile Convulsions. UCL Discovery (University College London). 5 indexed citations

10.

Conti, Lisa, et al.. (2011). Kir2.6 Regulates the Surface Expression of Kir2.x Inward Rectifier Potassium Channels. Journal of Biological Chemistry. 286(11). 9526–9541. 34 indexed citations

11.

Costa, Maria José de Carvalho, Alex Yick‐Lun So, Krista Kaasik, et al.. (2011). Circadian Rhythm Gene Period 3 Is an Inhibitor of the Adipocyte Cell Fate. Journal of Biological Chemistry. 286(11). 9063–9070. 78 indexed citations

12.

Wilde, Arthur A.M., Nynke Hofman, Susan P. Etheridge, et al.. (2011). INCIDENCE OF DEVICE THERAPY AND COMPLICATIONS IN PATIENTS WITH ANDERSEN-TAWIL SYNDROME WITH ICDS. Journal of the American College of Cardiology. 57(14). E1233–E1233. 2 indexed citations

13.

Klein, Brian D., Ying‐Hui Fu, Louis J. Ptáček, & H. Steve White. (2005). Auditory Deficits Associated with the Frings <i>Mgr1 (Mass1)</i> Mutation in Mice. Developmental Neuroscience. 27(5). 321–332. 10 indexed citations

14.

Zhang, Li, Martin Tristani‐Firouzi, Louis J. Ptáček, et al.. (2004). 850-3 ECG characteristics in andersen syndrome patients with KCNJ2 mutations. Journal of the American College of Cardiology. 43(5). A143–A143. 1 indexed citations

15.

Bruno, Michiko Kimura, Bernard Ravina, Gaëtan Garraux, et al.. (2003). Exercise‐induced dystonia as a preceding symptom of familial Parkinson's disease. Movement Disorders. 19(2). 228–230. 18 indexed citations

16.

Liquori, Christina L., Michel J. Berg, Adrian M. Siegel, et al.. (2003). Mutations in a Gene Encoding a Novel Protein Containing a Phosphotyrosine-Binding Domain Cause Type 2 Cerebral Cavernous Malformations. The American Journal of Human Genetics. 73(6). 1459–1464. 261 indexed citations

17.

Donaldson, Michael, Jeffrey L. Jensen, Martin Tristani‐Firouzi, et al.. (2003). PIP(2) binding residues of Kir2.1 are common targets of mutations causing Andersen syndrome. HAL (Le Centre pour la Communication Scientifique Directe). 1 indexed citations

18.

Garden, Gwenn A., Randell T. Libby, Ying‐Hui Fu, et al.. (2002). Polyglutamine-Expanded Ataxin-7 Promotes Non-Cell-Autonomous Purkinje Cell Degeneration and Displays Proteolytic Cleavage in Ataxic Transgenic Mice. Journal of Neuroscience. 22(12). 4897–4905. 125 indexed citations

19.

Günel, Murat, Eric W. Johnson, Louis J. Ptáček, et al.. (1998). Multilocus linkage identifies two new loci for a mendelian form of stroke, cerebral cavernous malformation, at 7p15-13 and 3q25.2-27. Human Molecular Genetics. 7(12). 1851–1858. 253 indexed citations

20.

Ptáček, Louis J., John M. Opitz, David W. Smith, Theo Gerritsen, & Harry A. Waisman. (1963). The Cornelia de Lange syndrome. The Journal of Pediatrics. 63(5). 1000–1020. 135 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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