Louis Ptacek, MD
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Title(s) | Professor, Neurology |
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School | School of Medicine |
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Address | 1550 Fourth St San Francisco CA 94158
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Phone | 415-514-9305 |
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vCard | Download vCard |
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Title(s) | UCSF Weill Institute for Neurosciences |
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Biography Brandies University | 2006 | | Bauer Foundation Distinguished Professor | American Academy of Neurology | 2006 | | Fellow | American Society for Clinical Investigation | 2000 | | Elected | American Neurological Association | 1997 | | Derek Denny-Brown Neurological Scholar Award | University of Utah | 1996 | | Golden Anniversary Prize for Distinguished Clinical Investigation | American Neurological Association | 1992 | | Presidents Award | American Neurological Association | 1992 | | Travel Award | | 2007 | | National Academy of Medicine | | 2008 | | American Academy of Arts and Sciences | | 2009 | | American Association of Physicians | | 2012 | | UCSF Faculty Lecture Award in Basic Science (the highest award UCSF bestows upon its faculty) | | 2012 | | National Academy of Sciences | American Society of Clinical Investigation | 2015 | | Stanley J. Korsmeyer Award | American Association for the Advancement of Science | 2016 | | Fellow | Sleep Research Society | 2019 | | Distinguished Scientist Award |
Overview Episodic phenomena (epilepsy, migraine, and cardiac arrhythmias) are among the most common disorders afflicting humans. Early in his career, Ptácek began studying patients with rare Mendelian muscle disorders (periodic paralysis) and proposed these as a model of more common episodic disorders. In 1990, he began systematically characterizing genes causing familial forms of periodic paralysis. This series of landmark discoveries identified mutant ion channel genes and laid the groundwork for the field now called the "channelopathies." He proposed that all the work in channelopathies of skeletal muscle would be model for episodic disorders of heart and brain. Subsequently, his group and others have identified homologous genes that (when mutated) cause cardiac arrhythmias, epilepsy, and migraine. He has gone from describing new syndromes to cloning causative genes, to biological study in vitro and in vivo (animal models).
More recently, Ptácek led the team that characterized the first Mendelian variant in human circadian function. He and his colleague Ying-Hui Fu have gone on to clone and characterize numerous genes causing this phenotype. This work has led to novel insights into human circadian biology.
Ptácek is an HHMI Investigator, and an associate editor of The Journal of Clinical Investigation and Neurogenetics. He is a member of the American Academy of Arts and Sciences, the Institute of Medicine, and the National Academy of Science.
Research ORNG Applications Bibliographic
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Developing the field of neurogenetics. Neurogenetics. 2017 12; 18(4):183-184.
Müller U, Auburger G, Graeber MB, Ptacek LJ. PMID: 29164503.
View in: PubMed Mentions: Fields: Translation: HumansAnimals
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Sleep and Mood: Chicken or Egg? Biol Psychiatry. 2016 12 01; 80(11):810-811.
Ptáoek LJ, Fu YH, Krystal AD. PMID: 27968724.
View in: PubMed Mentions: 1 Fields: Translation: Humans
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Impact of Sleep and Circadian Disruption on Energy Balance and Diabetes: A Summary of Workshop Discussions. Sleep. 2015 Dec 01; 38(12):1849-60.
Arble DM, Bass J, Behn CD, Butler MP, Challet E, Czeisler C, Depner CM, Elmquist J, Franken P, Grandner MA, Hanlon EC, Keene AC, Joyner MJ, Karatsoreos I, Kern PA, Klein S, Morris CJ, Pack AI, Panda S, Ptacek LJ, Punjabi NM, Sassone-Corsi P, Scheer FA, Saxena R, Seaquest ER, Thimgan MS, Van Cauter E, Wright KP. PMID: 26564131.
View in: PubMed Mentions: 32 Fields: Translation: HumansAnimals
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Protein mutated in paroxysmal dyskinesia interacts with the active zone protein RIM and suppresses synaptic vesicle exocytosis. Proc Natl Acad Sci U S A. 2015 Mar 10; 112(10):2935-41.
Shen Y, Ge WP, Li Y, Hirano A, Lee HY, Rohlmann A, Missler M, Tsien RW, Jan LY, Fu YH, Ptácek LJ. PMID: 25730884.
View in: PubMed Mentions: 14 Fields: Translation: AnimalsCells
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Episodic disorders: channelopathies and beyond. Annu Rev Physiol. 2015; 77:475-9.
Ptácek LJ. PMID: 25668025.
View in: PubMed Mentions: 5 Fields: Translation: Humans
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Genetics of human sleep behavioral phenotypes. Methods Enzymol. 2015; 552:309-24.
Hsu PK, Ptácek LJ, Fu YH. PMID: 25707283.
View in: PubMed Mentions: 4 Fields: Translation: HumansAnimals
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Andersen-Tawil syndrome: report of 3 novel mutations and high risk of symptomatic cardiac involvement. Muscle Nerve. 2015 Feb; 51(2):192-6.
Kostera-Pruszczyk A, Potulska-Chromik A, Pruszczyk P, Bieganowska K, Miszczak-Knecht M, Bienias P, Szczaluba K, Lee HY, Quinn E, Ploski R, Kaminska A, Ptácek LJ. PMID: 24861851.
View in: PubMed Mentions: 3 Fields: Translation: Humans
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Episodic and electrical nervous system disorders caused by nonchannel genes. Annu Rev Physiol. 2015; 77:525-41.
Lee HY, Fu YH, Ptácek LJ. PMID: 25340963.
View in: PubMed Mentions: 3 Fields: Translation: HumansAnimalsCells
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Regulation of Myelination in the Central Nervous System by Nuclear Lamin B1 and Non-coding RNAs. Transl Neurodegener. 2014 Feb 05; 3(1):4.
Lin ST, Heng MY, Ptácek LJ, Fu YH. PMID: 24495672.
View in: PubMed Mentions:
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Very large G protein-coupled receptor 1 regulates myelin-associated glycoprotein via Gas/Gaq-mediated protein kinases A/C. Proc Natl Acad Sci U S A. 2013 Nov 19; 110(47):19101-6.
Shin D, Lin ST, Fu YH, Ptácek LJ. PMID: 24191038.
View in: PubMed Mentions: 17 Fields: Translation: AnimalsCells
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MicroRNA-23a promotes myelination in the central nervous system. Proc Natl Acad Sci U S A. 2013 Oct 22; 110(43):17468-73.
Lin ST, Huang Y, Zhang L, Heng MY, Ptácek LJ, Fu YH. PMID: 24101522.
View in: PubMed Mentions: 35 Fields: Translation: HumansAnimalsCells
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Solving the mystery of human sleep schedules one mutation at a time. Crit Rev Biochem Mol Biol. 2013 Sep-Oct; 48(5):465-75.
Hallows WC, Ptácek LJ, Fu YH. PMID: 24001255.
View in: PubMed Mentions: 3 Fields: Translation: HumansAnimalsCells
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Sick and tired: how molecular regulators of human sleep schedules and duration impact immune function. Curr Opin Neurobiol. 2013 Oct; 23(5):873-9.
Kurien PA, Chong SY, Ptácek LJ, Fu YH. PMID: 23702243.
View in: PubMed Mentions: 4 Fields: Translation: HumansAnimals
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Lamin B1 mediates cell-autonomous neuropathology in a leukodystrophy mouse model. J Clin Invest. 2013 Jun; 123(6):2719-29.
Heng MY, Lin ST, Verret L, Huang Y, Kamiya S, Padiath QS, Tong Y, Palop JJ, Huang EJ, Ptácek LJ, Fu YH. PMID: 23676464.
View in: PubMed Mentions: 30 Fields: Translation: HumansAnimalsCells
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Casein kinase id mutations in familial migraine and advanced sleep phase. Sci Transl Med. 2013 May 01; 5(183):183ra56, 1-11.
Brennan KC, Bates EA, Shapiro RE, Zyuzin J, Hallows WC, Huang Y, Lee HY, Jones CR, Fu YH, Charles AC, Ptácek LJ. PMID: 23636092.
View in: PubMed Mentions: 61 Fields: Translation: HumansAnimalsCells
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Episodic neurologic disorders: syndromes, genes, and mechanisms. Annu Rev Neurosci. 2013 Jul 08; 36:25-50.
Russell JF, Fu YH, Ptácek LJ. PMID: 23642134.
View in: PubMed Mentions: 5 Fields: Translation: HumansAnimalsCells
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Dual roles of FBXL3 in the mammalian circadian feedback loops are important for period determination and robustness of the clock. Proc Natl Acad Sci U S A. 2013 Mar 19; 110(12):4750-5.
Shi G, Xing L, Liu Z, Qu Z, Wu X, Dong Z, Wang X, Gao X, Huang M, Yan J, Yang L, Liu Y, Ptácek LJ, Xu Y. PMID: 23471982.
View in: PubMed Mentions: 18 Fields: Translation: AnimalsCells
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Glucose sensor O-GlcNAcylation coordinates with phosphorylation to regulate circadian clock. Cell Metab. 2013 Feb 05; 17(2):291-302.
Kaasik K, Kivimäe S, Allen JJ, Chalkley RJ, Huang Y, Baer K, Kissel H, Burlingame AL, Shokat KM, Ptácek LJ, Fu YH. PMID: 23395175.
View in: PubMed Mentions: 70 Fields: Translation: HumansAnimalsCells
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Diversity of human clock genotypes and consequences. Prog Mol Biol Transl Sci. 2013; 119:51-81.
Zhang L, Ptácek LJ, Fu YH. PMID: 23899594.
View in: PubMed Mentions: 12 Fields: Translation: Humans
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PKC? participates in food entrainment by regulating BMAL1. Proc Natl Acad Sci U S A. 2012 Dec 11; 109(50):20679-84.
Zhang L, Abraham D, Lin ST, Oster H, Eichele G, Fu YH, Ptácek LJ. PMID: 23185022.
View in: PubMed Mentions: 13 Fields: Translation: AnimalsCells
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PRRT2 links infantile convulsions and paroxysmal dyskinesia with migraine. Neurology. 2012 Nov 20; 79(21):2097-103.
Cloarec R, Bruneau N, Rudolf G, Massacrier A, Salmi M, Bataillard M, Boulay C, Caraballo R, Fejerman N, Genton P, Hirsch E, Hunter A, Lesca G, Motte J, Roubertie A, Sanlaville D, Wong SW, Fu YH, Rochette J, Ptácek LJ, Szepetowski P. PMID: 23077017.
View in: PubMed Mentions: 26 Fields: Translation: HumansCells
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An inwardly rectifying K+ channel is required for patterning. Development. 2012 Oct; 139(19):3653-64.
Dahal GR, Rawson J, Gassaway B, Kwok B, Tong Y, Ptácek LJ, Bates E. PMID: 22949619.
View in: PubMed Mentions: 38 Fields: Translation: AnimalsCells
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Genetic insights on sleep schedules: this time, it's PERsonal. Trends Genet. 2012 Dec; 28(12):598-605.
Chong SY, Ptácek LJ, Fu YH. PMID: 22939700.
View in: PubMed Mentions: 5 Fields: Translation: HumansAnimalsCells
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Familial cortical myoclonus with a mutation in NOL3. Ann Neurol. 2012 Aug; 72(2):175-83.
Russell JF, Steckley JL, Coppola G, Hahn AF, Howard MA, Kornberg Z, Huang A, Mirsattari SM, Merriman B, Klein E, Choi M, Lee HY, Kirk A, Nelson-Williams C, Gibson G, Baraban SC, Lifton RP, Geschwind DH, Fu YH, Ptácek LJ. PMID: 22926851.
View in: PubMed Mentions: 7 Fields: Translation: HumansAnimalsCells
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Genetic basis of human circadian rhythm disorders. Exp Neurol. 2013 May; 243:28-33.
Jones CR, Huang AL, Ptácek LJ, Fu YH. PMID: 22849821.
View in: PubMed Mentions: 27 Fields: Translation: HumansAnimals
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miR-32 and its target SLC45A3 regulate the lipid metabolism of oligodendrocytes and myelin. Neuroscience. 2012 Jun 28; 213:29-37.
Shin D, Howng SY, Ptácek LJ, Fu YH. PMID: 22521588.
View in: PubMed Mentions: 14 Fields: Translation: AnimalsCells
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Casein kinase 1 proteomics reveal prohibitin 2 function in molecular clock. PLoS One. 2012; 7(2):e31987.
Kategaya LS, Hilliard A, Zhang L, Asara JM, Ptácek LJ, Fu YH. PMID: 22384121.
View in: PubMed Mentions: 12 Fields: Translation: HumansCells
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Dopamine dysregulation in a mouse model of paroxysmal nonkinesigenic dyskinesia. J Clin Invest. 2012 Feb; 122(2):507-18.
Lee HY, Nakayama J, Xu Y, Fan X, Karouani M, Shen Y, Pothos EN, Hess EJ, Fu YH, Edwards RH, Ptácek LJ. PMID: 22214848.
View in: PubMed Mentions: 14 Fields: Translation: HumansAnimalsCells
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Mutations in the gene PRRT2 cause paroxysmal kinesigenic dyskinesia with infantile convulsions. Cell Rep. 2012 Jan 26; 1(1):2-12.
Lee HY, Huang Y, Bruneau N, Roll P, Roberson ED, Hermann M, Quinn E, Maas J, Edwards R, Ashizawa T, Baykan B, Bhatia K, Bressman S, Bruno MK, Brunt ER, Caraballo R, Echenne B, Fejerman N, Frucht S, Gurnett CA, Hirsch E, Houlden H, Jankovic J, Lee WL, Lynch DR, Mohammed S, Müller U, Nespeca MP, Renner D, Rochette J, Rudolf G, Saiki S, Soong BW, Swoboda KJ, Tucker S, Wood N, Hanna M, Bowcock AM, Szepetowski P, Fu YH, Ptácek LJ. PMID: 22832103.
View in: PubMed Mentions: 78 Fields: Translation: HumansAnimalsCells
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Circadian rhythm gene period 3 is an inhibitor of the adipocyte cell fate. J Biol Chem. 2011 Mar 18; 286(11):9063-70.
Costa MJ, So AY, Kaasik K, Krueger KC, Pillsbury ML, Fu YH, Ptacek LJ, Yamamoto KR, Feldman BJ. PMID: 21228270.
View in: PubMed Mentions: 28 Fields: Translation: AnimalsCells
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The genetics of the human circadian clock. Adv Genet. 2011; 74:231-47.
Zhang L, Jones CR, Ptacek LJ, Fu YH. PMID: 21924979.
View in: PubMed Mentions: 7 Fields: Translation: Humans
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Novel familial cases of ICCA (infantile convulsions with paroxysmal choreoathetosis) syndrome. Epileptic Disord. 2010 Sep; 12(3):199-204.
Rochette J, Roll P, Fu YH, Lemoing AG, Royer B, Roubertie A, Berquin P, Motte J, Wong SW, Hunter A, Robaglia-Schlupp A, Ptacek LJ, Szepetowski P. PMID: 20716510.
View in: PubMed Mentions: 6 Fields: Translation: HumansCells
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In memoriam: Louis John Ptácek, Sr, MD (1929-2006). J Child Neurol. 2009 Apr; 24(4):519-20.
Ptácek LJ. PMID: 19639699.
View in: PubMed Mentions: Fields:
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Paroxysmal non-kinesigenic dyskinesia caused by the mutation of MR-1 in a large Polish kindred. Eur Neurol. 2009; 61(1):39-41.
Friedman A, Zakrzewska-Pniewska B, Domitrz I, Lee HY, Ptacek L, Kwiecinski H. PMID: 18948699.
View in: PubMed Mentions: 1 Fields: Translation: Humans
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Proteolytic cleavage of ataxin-7 by caspase-7 modulates cellular toxicity and transcriptional dysregulation. J Biol Chem. 2007 Oct 12; 282(41):30150-60.
Young JE, Gouw L, Propp S, Sopher BL, Taylor J, Lin A, Hermel E, Logvinova A, Chen SF, Chen S, Bredesen DE, Truant R, Ptacek LJ, La Spada AR, Ellerby LM. PMID: 17646170.
View in: PubMed Mentions: 33 Fields: Translation: HumansAnimalsCells
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FAME 3: a novel form of progressive myoclonus and epilepsy. Neurology. 2007 Apr 24; 68(17):1382-9.
Carr JA, van der Walt PE, Nakayama J, Fu YH, Corfield V, Brink P, Ptacek L. PMID: 17452583.
View in: PubMed Mentions: 6 Fields: Translation: HumansCells
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Deletions in CCM2 are a common cause of cerebral cavernous malformations. Am J Hum Genet. 2007 Jan; 80(1):69-75.
Liquori CL, Berg MJ, Squitieri F, Leedom TP, Ptacek L, Johnson EW, Marchuk DA. PMID: 17160895.
View in: PubMed Mentions: 25 Fields: Translation: Humans
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Array comparative genomic hybridization in patients with congenital diaphragmatic hernia: mapping of four CDH-critical regions and sequencing of candidate genes at 15q26.1-15q26.2. Eur J Hum Genet. 2006 Sep; 14(9):999-1008.
Slavotinek AM, Moshrefi A, Davis R, Leeth E, Schaeffer GB, Burchard GE, Shaw GM, James B, Ptacek L, Pennacchio LA. PMID: 16736036.
View in: PubMed Mentions: 34 Fields: Translation: HumansCells
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Low frequency of PDCD10 mutations in a panel of CCM3 probands: potential for a fourth CCM locus. Hum Mutat. 2006 Jan; 27(1):118.
Liquori CL, Berg MJ, Squitieri F, Ottenbacher M, Sorlie M, Leedom TP, Cannella M, Maglione V, Ptacek L, Johnson EW, Marchuk DA. PMID: 16329096.
View in: PubMed Mentions: 38 Fields: Translation: Humans
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Clinical feature profile of spinocerebellar ataxia type 1-8 predicts genetically defined subtypes. Mov Disord. 2005 Nov; 20(11):1405-12.
Maschke M, Oehlert G, Xie TD, Perlman S, Subramony SH, Kumar N, Ptacek LJ, Gomez CM. PMID: 16037936.
View in: PubMed Mentions: 10 Fields: Translation: HumansCells
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The primary periodic paralyses: diagnosis, pathogenesis and treatment. Brain. 2006 Jan; 129(Pt 1):8-17.
Venance SL, Cannon SC, Fialho D, Fontaine B, Hanna MG, Ptacek LJ, Tristani-Firouzi M, Tawil R, Griggs RC. PMID: 16195244.
View in: PubMed Mentions: 67 Fields: Translation: HumansAnimalsCells
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Electrocardiographic features in Andersen-Tawil syndrome patients with KCNJ2 mutations: characteristic T-U-wave patterns predict the KCNJ2 genotype. Circulation. 2005 May 31; 111(21):2720-6.
Zhang L, Benson DW, Tristani-Firouzi M, Ptacek LJ, Tawil R, Schwartz PJ, George AL, Horie M, Andelfinger G, Snow GL, Fu YH, Ackerman MJ, Vincent GM. PMID: 15911703.
View in: PubMed Mentions: 63 Fields: Translation: Humans
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The Mass1frings mutation underlies early onset hearing impairment in BUB/BnJ mice, a model for the auditory pathology of Usher syndrome IIC. Genomics. 2005 May; 85(5):582-90.
Johnson KR, Zheng QY, Weston MD, Ptacek LJ, Noben-Trauth K. PMID: 15820310.
View in: PubMed Mentions: 20 Fields: Translation: AnimalsCells
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Auditory deficits associated with the frings mgr1 (mass1) mutation in mice. Dev Neurosci. 2005; 27(5):321-32.
Klein BD, Fu YH, Ptacek LJ, White HS. PMID: 16137990.
View in: PubMed Mentions: 2 Fields: Translation: Animals
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Clinical evaluation of idiopathic paroxysmal kinesigenic dyskinesia: new diagnostic criteria. Neurology. 2004 Dec 28; 63(12):2280-7.
Bruno MK, Hallett M, Gwinn-Hardy K, Sorensen B, Considine E, Tucker S, Lynch DR, Mathews KD, Swoboda KJ, Harris J, Soong BW, Ashizawa T, Jankovic J, Renner D, Fu YH, Ptacek LJ. PMID: 15623687.
View in: PubMed Mentions: 76 Fields: Translation: Humans
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c-Fos immunohistochemical mapping of the audiogenic seizure network and tonotopic neuronal hyperexcitability in the inferior colliculus of the Frings mouse. Epilepsy Res. 2004 Nov; 62(1):13-25.
Klein BD, Fu YH, Ptacek LJ, White HS. PMID: 15519128.
View in: PubMed Mentions: 11 Fields: Translation: AnimalsCells
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Alternating hemiplegia of childhood or familial hemiplegic migraine? A novel ATP1A2 mutation. Ann Neurol. 2004 Jun; 55(6):884-7.
Swoboda KJ, Kanavakis E, Xaidara A, Johnson JE, Leppert MF, Schlesinger-Massart MB, Ptacek LJ, Silver K, Youroukos S. PMID: 15174025.
View in: PubMed Mentions: 31 Fields: Translation: Humans
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Exercise-induced dystonia as a preceding symptom of familial Parkinson's disease. Mov Disord. 2004 Feb; 19(2):228-30.
Bruno MK, Ravina B, Garraux G, Hallett M, Ptacek L, Singleton A, Johnson J, Singleton A, Hanson M, Considine E, Gwinn-Hardy K. PMID: 14978684.
View in: PubMed Mentions: 7 Fields: Translation: Humans
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Andersen-Tawil syndrome: a model of clinical variability, pleiotropy, and genetic heterogeneity. Ann Med. 2004; 36 Suppl 1:92-7.
Donaldson MR, Yoon G, Fu YH, Ptacek LJ. PMID: 15176430.
View in: PubMed Mentions: 28 Fields: Translation: Humans
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Mutations in a gene encoding a novel protein containing a phosphotyrosine-binding domain cause type 2 cerebral cavernous malformations. Am J Hum Genet. 2003 Dec; 73(6):1459-64.
Liquori CL, Berg MJ, Siegel AM, Huang E, Zawistowski JS, Stoffer T, Verlaan D, Balogun F, Hughes L, Leedom TP, Plummer NW, Cannella M, Maglione V, Squitieri F, Johnson EW, Rouleau GA, Ptacek L, Marchuk DA. PMID: 14624391.
View in: PubMed Mentions: 113 Fields: Translation: HumansCells
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Genomic context drives SCA7 CAG repeat instability, while expressed SCA7 cDNAs are intergenerationally and somatically stable in transgenic mice. Hum Mol Genet. 2003 Jan 01; 12(1):41-50.
Libby RT, Monckton DG, Fu YH, Martinez RA, McAbney JP, Lau R, Einum DD, Nichol K, Ware CB, Ptacek LJ, Pearson CE, La Spada AR. PMID: 12490531.
View in: PubMed Mentions: 25 Fields: Translation: AnimalsCells
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A novel central nervous system-enriched spinocerebellar ataxia type 7 gene product. Arch Neurol. 2003 Jan; 60(1):97-103.
Einum DD, Clark AM, Townsend JJ, Ptacek LJ, Fu YH. PMID: 12533095.
View in: PubMed Mentions: 4 Fields: Translation: HumansCells
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Functional and clinical characterization of KCNJ2 mutations associated with LQT7 (Andersen syndrome). J Clin Invest. 2002 Aug; 110(3):381-8.
Tristani-Firouzi M, Jensen JL, Donaldson MR, Sansone V, Meola G, Hahn A, Bendahhou S, Kwiecinski H, Fidzianska A, Plaster N, Fu YH, Ptacek LJ, Tawil R. PMID: 12163457.
View in: PubMed Mentions: 112 Fields: Translation: HumansAnimals
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Polyglutamine-expanded ataxin-7 promotes non-cell-autonomous purkinje cell degeneration and displays proteolytic cleavage in ataxic transgenic mice. J Neurosci. 2002 Jun 15; 22(12):4897-905.
Garden GA, Libby RT, Fu YH, Kinoshita Y, Huang J, Possin DE, Smith AC, Martinez RA, Fine GC, Grote SK, Ware CB, Einum DD, Morrison RS, Ptacek LJ, Sopher BL, La Spada AR. PMID: 12077187.
View in: PubMed Mentions: 52 Fields: Translation: AnimalsCells
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Channelopathies: episodic disorders of the nervous system. Novartis Found Symp. 2002; 241:87-104; discussion 104-8, 226-32.
Ptacek L. PMID: 11771653.
View in: PubMed Mentions: Fields: Translation: HumansAnimalsCells
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MiRP2 forms potassium channels in skeletal muscle with Kv3.4 and is associated with periodic paralysis. Cell. 2001 Jan 26; 104(2):217-31.
Abbott GW, Butler MH, Bendahhou S, Dalakas MC, Ptacek LJ, Goldstein SA. PMID: 11207363.
View in: PubMed Mentions: 85 Fields: Translation: HumansAnimalsCells
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Channelopathies: episodic disorders of the nervous system. Epilepsia. 2001; 42 Suppl 5:35-43.
Ptacek LJ, Fu YH. PMID: 11887966.
View in: PubMed Mentions: 2 Fields: Translation: Humans
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Chronic fatigue syndrome and channelopathies. Med Hypotheses. 2000 Nov; 55(5):457.
Waxman SG, Ptacek LJ. PMID: 11058431.
View in: PubMed Mentions: Fields: Translation: Humans
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Randomized trials of dichlorphenamide in the periodic paralyses. Working Group on Periodic Paralysis. Ann Neurol. 2000 Jan; 47(1):46-53.
Tawil R, McDermott MP, Brown R, Shapiro BC, Ptacek LJ, McManis PG, Dalakas MC, Spector SA, Mendell JR, Hahn AF, Griggs RC. PMID: 10632100.
View in: PubMed Mentions: 31 Fields: Translation: HumansCTClinical Trials
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Anesthetic management of familial hypokalemic periodic paralysis during parturition. Anesth Analg. 1999 May; 88(5):1081-2.
Viscomi CM, Ptacek LJ, Dudley D. PMID: 10320173.
View in: PubMed Mentions: 1 Fields: Translation: Humans
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Multilocus linkage identifies two new loci for a mendelian form of stroke, cerebral cavernous malformation, at 7p15-13 and 3q25.2-27. Hum Mol Genet. 1998 Nov; 7(12):1851-8.
Craig HD, Günel M, Cepeda O, Johnson EW, Ptacek L, Steinberg GK, Ogilvy CS, Berg MJ, Crawford SC, Scott RM, Steichen-Gersdorf E, Sabroe R, Kennedy CT, Mettler G, Beis MJ, Fryer A, Awad IA, Lifton RP. PMID: 9811928.
View in: PubMed Mentions: 69 Fields: Translation: HumansCells
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Genomic structure of human anion exchanger 3 and its potential role in hereditary neurological disease. Neurogenetics. 1998 Aug; 1(4):289-92.
Einum DD, Zhang J, Arneson PJ, Menon AG, Ptacek LJ. PMID: 10732805.
View in: PubMed Mentions: Fields: Translation: HumansAnimalsCells
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Autosomal dominant cerebral arteriopathy: neuropsychiatric syndrome in a family. Neuropsychiatry Neuropsychol Behav Neurol. 1998 Jan; 11(1):31-9.
Adair JC, Hart BL, Kornfeld M, Graham GD, Swanda RM, Ptacek LJ, Davis LE. PMID: 9560826.
View in: PubMed Mentions: Fields: Translation: Humans
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A new locus for hemiplegic migraine maps to chromosome 1q31. Neurology. 1997 Nov; 49(5):1231-8.
Gardner K, Barmada MM, Ptacek LJ, Hoffman EP. PMID: 9371899.
View in: PubMed Mentions: 25 Fields: Translation: HumansCells
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An expanded CAG repeat sequence in spinocerebellar ataxia type 7. Genome Res. 1996 Oct; 6(10):965-71.
Lindblad K, Savontaus ML, Stevanin G, Holmberg M, Digre K, Zander C, Ehrsson H, David G, Benomar A, Nikoskelainen E, Trottier Y, Holmgren G, Ptacek LJ, Anttinen A, Brice A, Schalling M. PMID: 8908515.
View in: PubMed Mentions: 20 Fields: Translation: HumansCells
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A family with an unusual myotonic and myopathic phenotype and no CTG expansion (proximal myotonic myopathy syndrome): a challenge for future molecular studies. Neuromuscul Disord. 1996 May; 6(3):143-50.
Meola G, Sansone V, Radice S, Skradski S, Ptacek L. PMID: 8784800.
View in: PubMed Mentions: 9 Fields: Translation: HumansCells
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In vivo sodium channel structure/function studies: consecutive Arg1448 changes to Cys, His, and Pro at the extracellular surface of IVS4. Soc Gen Physiol Ser. 1995; 50:77-88.
Wang J, Dubowitz V, Lehmann-Horn F, Ricker K, Ptacek L, Hoffman EP. PMID: 7676326.
View in: PubMed Mentions: 4 Fields: Translation: HumansCells
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Mutation in the S4 segment of the adult skeletal sodium channel gene in an Italian paramyotonia congenita (PC) family. Ital J Neurol Sci. 1994 Dec; 15(9):473-80.
Sansone V, Rotondo G, Ptacek LJ, Meola G. PMID: 7721550.
View in: PubMed Mentions: 2 Fields: Translation: HumansCellsCTClinical Trials
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Autosomal dominant cerebellar ataxia with retinal degeneration: clinical, neuropathologic, and genetic analysis of a large kindred. Neurology. 1994 Aug; 44(8):1441-7.
Gouw LG, Digre KB, Harris CP, Haines JH, Ptacek LJ. PMID: 8058146.
View in: PubMed Mentions: 12 Fields: Translation: Humans
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Paramyotonia congenita: abnormal short exercise test, and improvement after mexiletine therapy. Muscle Nerve. 1994 Jul; 17(7):763-8.
Jackson CE, Barohn RJ, Ptacek LJ. PMID: 8008003.
View in: PubMed Mentions: 12 Fields: Translation: Humans
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Andersen's syndrome: potassium-sensitive periodic paralysis, ventricular ectopy, and dysmorphic features. Ann Neurol. 1994 Mar; 35(3):326-30.
Tawil R, Ptacek LJ, Pavlakis SG, DeVivo DC, Penn AS, Ozdemir C, Griggs RC. PMID: 8080508.
View in: PubMed Mentions: 57 Fields: Translation: Humans
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Sodium channel mutations in paramyotonia congenita and hyperkalemic periodic paralysis. Ann Neurol. 1993 Mar; 33(3):300-7.
Ptacek LJ, Gouw L, Kwiecinski H, McManis P, Mendell JR, Barohn RJ, George AL, Barchi RL, Robertson M, Leppert MF. PMID: 8388676.
View in: PubMed Mentions: 21 Fields: Translation: HumansCells
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Genetics and physiology of the myotonic muscle disorders. N Engl J Med. 1993 Feb 18; 328(7):482-9.
Ptacek LJ, Johnson KJ, Griggs RC. PMID: 7678441.
View in: PubMed Mentions: 22 Fields: Translation: Humans
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Evidence of genetic heterogeneity among the nondystrophic myotonias. Neurology. 1992 May; 42(5):1046-8.
Ptacek LJ, Ziter FA, Roberts JW, Leppert MF. PMID: 1315941.
View in: PubMed Mentions: Fields: Translation: HumansCells
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Linkage of atypical myotonia congenita to a sodium channel locus. Neurology. 1992 Feb; 42(2):431-3.
Ptacek LJ, Tawil R, Griggs RC, Storvick D, Leppert M. PMID: 1310531.
View in: PubMed Mentions: 6 Fields: Translation: Humans
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Paramyotonia congenita and hyperkalemic periodic paralysis map to the same sodium-channel gene locus. Am J Hum Genet. 1991 Oct; 49(4):851-4.
Ptacek LJ, Trimmer JS, Agnew WS, Roberts JW, Petajan JH, Leppert M. PMID: 1654742.
View in: PubMed Mentions: 22 Fields: Translation: Humans
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Analysis in a large hyperkalemic periodic paralysis pedigree supports tight linkage to a sodium channel locus. Am J Hum Genet. 1991 Aug; 49(2):378-82.
Ptacek LJ, Tyler F, Trimmer JS, Agnew WS, Leppert M. PMID: 1651050.
View in: PubMed Mentions: 10 Fields: Translation: HumansCells
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Trochlear nerve palsy following minor head trauma. A sign of structural disorder. J Clin Neuroophthalmol. 1988 Dec; 8(4):263-8.
Jacobson DM, Warner JJ, Choucair AK, Ptacek LJ. PMID: 2977142.
View in: PubMed Mentions: 3 Fields: Translation: Humans
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Fetal anticonvulsant drug exposure: a population based study. Neurotoxicology. 1986; 7(2):413-9.
Robertson LD, Swaiman KF, Ptacek LJ. PMID: 3785759.
View in: PubMed Mentions: Fields: Translation: Humans
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Immunological studies on an aberrant form of ataxia telangiectasia. Am J Dis Child. 1977 May; 131(5):518-21.
Hansen RL, Marx JJ, Ptacek LJ, Roberts RC. PMID: 857652.
View in: PubMed Mentions: Fields: Translation: HumansCells
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Auditory clicks in extinction of stroboscope-induced seizures. Epilepsia. 1965 Sep; 6(3):217-25.
Forster FM, Ptacek LJ, Peterson WG. PMID: 5214264.
View in: PubMed Mentions: 1 Fields: Translation: Humans
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STROBOSCOPIC-INDUCED SEIZURE DISCHARGES. MODIFICATION BY EXTINCTION TECHNIQUES. Arch Neurol. 1964 Dec; 11:603-8.
FORSTER FM, PTACEK LJ, PETERSON WG, CHUN RW, BENGZON AR, CAMPOS GB. PMID: 14202175.
View in: PubMed Mentions: 3 Fields:
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Stroboscopic induced seizures altered by extinction techniques. Trans Am Neurol Assoc. 1964; 89:136-9.
Forster FM, Ptacek LJ, Peterson WG, Chun RW, Campos GB. PMID: 5828487.
View in: PubMed Mentions: Fields: Translation: Humans
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THE PRESENCE OF LACTULOSE IN THE URINE OF INFANTS WITH LACTOSURIA. Pediatrics. 1963 Dec; 32:1033-8.
GERRITSEN T, LEMLI L, PTACEK LJ, WAISMAN HA. PMID: 14084324.
View in: PubMed Mentions: Fields: Translation: HumansCells
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THE CORNELIA DE LANGE SYNDROME. J Pediatr. 1963 Nov; 63:1000-20.
PTACEK LJ, OPITZ JM, SMITH DW, GERRITSEN T, WAISMAN HA. PMID: 14071035.
View in: PubMed Mentions: 18 Fields: Translation: Humans
This graph shows the total number of publications by year. To see the data as text, click here.
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Year | Publications |
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1991 | 2 | 1992 | 2 | 1993 | 2 | 1994 | 4 | 1995 | 1 | 1996 | 2 | 1997 | 1 | 1998 | 3 | 1999 | 1 | 2000 | 2 | 2001 | 2 | 2002 | 3 | 2003 | 3 | 2004 | 5 | 2005 | 5 | 2006 | 3 | 2007 | 2 | 2008 | 1 | 2009 | 1 | 2010 | 1 | 2011 | 3 | 2012 | 9 | 2013 | 10 | 2014 | 4 | 2015 | 3 | 2016 | 1 | 2017 | 1 |
This graph shows the number and percent of publications by field.
Fields are based on how the National Library of Medicine (NLM) classifies the publications' journals and might not represent the specific topics of the publications.
Note that an individual publication can be assigned to more than one field. As a result, the publication counts in this graph might add up to more than the number of publications the person has written.
To see the data as text, click here.
This graph shows the number and percent of publications by field.
Fields are based on how the National Library of Medicine (NLM) classifies the publications' journals and might not represent the specific topics of the publications.
Note that an individual publication can be assigned to more than one field. As a result, the publication counts in this graph might add up to more than the number of publications the person has written.
To see the data as text, click here.
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