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Biomarkers and diagnostic guidelines for sporadic Creutzfeldt-Jakob disease.

Peter Hermann, Brian Appleby, Jean-Philippe Brandel, Byron Caughey, Steven Collins, Michael D Geschwind, Alison Green, Stephane Haïk, Gabor G Kovacs, Anna Ladogana, Franc Llorens, Simon Mead, Noriyuki Nishida, Suvankar Pal, Piero Parchi, Maurizio Pocchiari, Katsuya Satoh, Gianluigi Zanusso, Inga Zerr,

Sporadic Creutzfeldt-Jakob disease is a fatal neurodegenerative disease caused by misfolded prion proteins (PrP<sup>Sc</sup>). Effective therapeutics are currently not available and accurate diagnosis can be challenging. Clinical diagnostic criteria use a combination of characteristic neuropsychiatric symptoms, CSF proteins 14-3-3, MRI, and EEG. Supportive biomarkers, such as high CSF total tau, ... Read more >>

Lancet Neurol (The Lancet. Neurology)
[2021, 20(3):235-246]

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Oral Hygiene Practices of Hungarian Adult E-Cigarette-Only and Dual Users.

Réka Kaán, Melinda Pénzes, Lilla Abafalvi, Péter Hermann, Barbara Kispélyi,

<h4>Purpose</h4>This study aimed to explore self-reported oral hygiene practices (OHPs) among Hungarian adult e-cigarette-only (former smokers who switched completely to e-cigarette use or vaping) and dual users (smokers who use e-cigarettes and combustible tobacco cigarettes concomitantly).<h4>Materials and methods</h4>A cross-sectional, web-based survey of 930 adult Hungarian e-cigarette users was conducted in ... Read more >>

Oral Health Prev Dent (Oral health & preventive dentistry)
[2020, 18(1):991-998]

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Learning curve of digital intraoral scanning – an in vivo study

Ivett Róth, Alexandra Czigola, Gellért Levente Joós-Kovács, Magdolna Dalos, Péter Hermann, Judit Borbély,

<h4>Background: </h4> The spread of digital technology in dentistry poses new challenges and sets new goals for dentists. The aim of the present in vivo study was to determine the learning curve of intraoral scanning described by (1) scanning time and (2) image number (count of images created by intraoral ... Read more >>

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Genetic prion disease: opportunities for early therapeutic intervention with rigorous pre-symptomatic trials.

Peter Hermann, Jan C Koch, Inga Zerr,

Expert Opin Investig Drugs (Expert opinion on investigational drugs)
[2020, 29(12):1313-1316]

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Learning curve of digital intraoral scanning - an in vivo study.

Ivett Róth, Alexandra Czigola, Gellért Levente Joós-Kovács, Magdolna Dalos, Péter Hermann, Judit Borbély,

<h4>Background</h4>The spread of digital technology in dentistry poses new challenges and sets new goals for dentists. The aim of the present in vivo study was to determine the learning curve of intraoral scanning described by (1) scanning time and (2) image number (count of images created by intraoral scanner during ... Read more >>

BMC Oral Health (BMC oral health)
[2020, 20(1):287]

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Multicenter study to develop and validate a risk assessment tool as part of composite scoring system for erosive tooth wear.

Vasileios Margaritis, Viivi Alaraudanjoki, Marja-Liisa Laitala, Vuokko Anttonen, Andreea Bors, Melinda Szekely, Panagiota Alifragki, Máté Jász, Ildikó Berze, Péter Hermann, Mairead Harding,

<h4>Objectives</h4>(i) To develop, validate, and apply in practice a new risk assessment tool for erosive tooth wear (ETW) including a risk factors questionnaire and a saliva secretion evaluation, which combined with a clinical index, can be part of an ETW composite scoring system; (ii) to assess ETW lesions and current ... Read more >>

Clin Oral Investig (Clinical oral investigations)
[2020, :]

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Cerebrospinal Fluid Mitochondrial DNA in Rapid and Slow Progressive Forms of Alzheimer's Disease.

Petar Podlesniy, Franc Llorens, Margalida Puigròs, Nuria Serra, Diego Sepúlveda-Falla, Christian Schmidt, Peter Hermann, Inga Zerr, Ramon Trullas,

Alzheimer's type dementia (AD) exhibits clinical heterogeneity, as well as differences in disease progression, as a subset of patients with a clinical diagnosis of AD progresses more rapidly (rpAD) than the typical AD of slow progression (spAD). Previous findings indicate that low cerebrospinal fluid (CSF) content of cell-free mitochondrial DNA ... Read more >>

Int J Mol Sci (International journal of molecular sciences)
[2020, 21(17):]

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Bioenergetic Impairment of Triethylene Glycol Dimethacrylate- (TEGDMA-) Treated Dental Pulp Stem Cells (DPSCs) and Isolated Brain Mitochondria are Amended by Redox Compound Methylene Blue †.

Krisztina Mikulás, Timea Komlódi, Anna Földes, Gergely Sváb, Gergő Horváth, Ádám Miklós Nagy, Attila Ambrus, Szabolcs Gyulai-Gaál, István Gera, Péter Hermann, Gábor Varga, László Tretter,

BACKGROUND:Triethylene glycol dimethacrylate (TEGDMA) monomers released from resin matrix are toxic to dental pulp cells, induce apoptosis, oxidative stress and decrease viability. Recently, mitochondrial complex I (CI) was identified as a potential target of TEGDMA. In isolated mitochondria supported by CI, substrates oxidation and ATP synthesis were inhibited, reactive oxygen ... Read more >>

Materials (Basel) (Materials (Basel, Switzerland))
[2020, 13(16):]

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Age and the association between apolipoprotein E genotype and Alzheimer disease: A cerebrospinal fluid biomarker-based case-control study.

Hana Saddiki, Aurore Fayosse, Emmanuel Cognat, Séverine Sabia, Sebastiaan Engelborghs, David Wallon, Panagiotis Alexopoulos, Kaj Blennow, Henrik Zetterberg, Lucilla Parnetti, Inga Zerr, Peter Hermann, Audrey Gabelle, Mercè Boada, Adelina Orellana, Itziar de Rojas, Matthieu Lilamand, Maria Bjerke, Christine Van Broeckhoven, Lucia Farotti, Nicola Salvadori, Janine Diehl-Schmid, Timo Grimmer, Claire Hourregue, Aline Dugravot, Gaël Nicolas, Jean-Louis Laplanche, Sylvain Lehmann, Elodie Bouaziz-Amar, , Jacques Hugon, Christophe Tzourio, Archana Singh-Manoux, Claire Paquet, Julien Dumurgier,

<h4>Background</h4>The ε4 allele of apolipoprotein E (APOE) gene and increasing age are two of the most important known risk factors for developing Alzheimer disease (AD). The diagnosis of AD based on clinical symptoms alone is known to have poor specificity; recently developed diagnostic criteria based on biomarkers that reflect underlying ... Read more >>

PLoS Med (PLoS medicine)
[2020, 17(8):e1003289]

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Sporadic Creutzfeldt-Jakob Disease among Physicians, Germany, 1993-2018.

Peter Hermann, Johannes Treig, Steffen Unkel, Stefan Goebel, Timothy Bunck, Martha Jünemann, Tim Friede, Inga Zerr,

We investigated sporadic Creutzfeldt-Jakob disease (sCJD) among physicians in Germany by analyzing occupational information of patients with sCJD recorded by the German CJD Surveillance Unit (1993-2005; 1,250 patients, of whom 4 [0.32%] were physicians) and the National Reference Center for Human Spongiform Encephalopathies (2006-2016; 1,491 patients, of whom 13 [0.87%] ... Read more >>

Emerg Infect Dis (Emerging infectious diseases)
[2020, 26(8):]

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A prognostic model for overall survival in sporadic Creutzfeldt-Jakob disease.

Franc Llorens, Nicole Rübsamen, Peter Hermann, Matthias Schmitz, Anna Villar-Piqué, Stefan Goebel, André Karch, Inga Zerr,

<b>Introduction: </b>We developed a prognostic model for overall survival after diagnosis of sporadic Creutzfeldt-Jakob disease (sCJD) using data from a German surveillance study.<br><br><b>Methods: </b>We included 1226 sCJD cases (median age 66 years, range 19-89 years; 56.8% women with information on age, sex, codon 129 genotype, 14-3-3 in the cerebrospinal fluid ... Read more >>

Alzheimers Dement (Alzheimer's & dementia : the journal of the Alzheimer's Association)
[2020, 16(10):1438-1447]

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Correction to Infrared Nanospectroscopy of Phospholipid and Surfactin Monolayer Domains.

Bernd Kästner, C Magnus Johnson, Peter Hermann, Mattias Kruskopf, Klaus Pierz, Arne Hoehl, Andrea Hornemann, Georg Ulrich, Jakob Fehmel, Piotr Patoka, Eckard Rühl, Gerhard Ulm,

[This corrects the article DOI: 10.1021/acsomega.7b01931.]. ... Read more >>

ACS Omega (ACS omega)
[2020, 5(25):15762]

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A new tetra-plex fluorimetric assay for the quantification of cerebrospinal fluid β-amyloid42, total-tau, phospho-tau and α-synuclein in the differential diagnosis of neurodegenerative dementia.

Daniela Diaz-Lucena, Geòrgia Escaramis, Anna Villar-Piqué, Peter Hermann, Matthias Schmitz, Daniela Varges, Isabel Santana, José Antonio Del Rio, Eulàlia Martí, Isidre Ferrer, Inês Baldeiras, Inga Zerr, Franc Llorens,

BACKGROUND:Differential diagnosis of neurodegenerative dementia is currently supported by biomarkers including cerebrospinal fluid (CSF) tests. Among them, CSF total-tau (t-tau), phosphorylated tau (p-tau) and β-amyloid42 (Aβ42) are considered core biomarkers of neurodegeneration. In the present work, we hypothesize that simultaneous assessment of these biomarkers together with CSF α-synuclein (α-syn) will ... Read more >>

J Neurol (Journal of neurology)
[2020, 267(9):2567-2581]

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Diagnostic Accuracy of Prion Disease Biomarkers in Iatrogenic Creutzfeldt-Jakob Disease.

Franc Llorens, Anna Villar-Piqué, Peter Hermann, Matthias Schmitz, Olga Calero, Christiane Stehmann, Shannon Sarros, Fabio Moda, Isidre Ferrer, Anna Poleggi, Maurizio Pocchiari, Marcella Catania, Sigrid Klotz, Carl O'Regan, Francesca Brett, Josephine Heffernan, Anna Ladogana, Steven J Collins, Miguel Calero, Gabor G Kovacs, Inga Zerr,

Human prion diseases are classified into sporadic, genetic, and acquired forms. Within this last group, iatrogenic Creutzfeldt-Jakob disease (iCJD) is caused by human-to-human transmission through surgical and medical procedures. After reaching an incidence peak in the 1990s, it is believed that the iCJD historical period is probably coming to an ... Read more >>

Biomolecules (Biomolecules)
[2020, 10(2):]

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A new tetra-plex fluorimetric assay for the quantification of cerebrospinal fluid β-amyloid42, total-tau, phospho-tau and α-synuclein in the differential diagnosis of neurodegenerative dementia.

Daniela Diaz Lucena, Geòrgia Escaramis, Anna Villar-Piqué, Peter Hermann, Matthias Schmitz, Daniela Varges, Isabel Santana, José Antonio del Rio, Eulàlia Martí, Isidre Ferrer, Inês Baldeiras, Inga Zerr, Franc Llorens,

<h4>Background: </h4> Differential diagnosis of neurodegenerative dementia is currently supported by biomarkers including cerebrospinal fluid (CSF) tests. Among them, CSF total-tau (t-tau), phosphorylated tau (p-tau) and β-amyloid42 (Aβ42) are considered core biomarkers of neurodegeneration. In the present work, we hypothesize that simultaneous assessment of these biomarkers together with CSF α-synuclein ... Read more >>

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Effects of disinfection and sterilization on the dimensional changes and mechanical properties of 3D printed surgical guides for implant therapy - pilot study.

Gréta Török, Péter Gombocz, Eszter Bognár, Péter Nagy, Elek Dinya, Barbara Kispélyi, Péter Hermann,

BACKGROUND:The purpose of this research was to investigate the effects of disinfection and three different sterilization methods on the dimensional changes and mechanical properties of three-dimensional (3D) printed surgical guide for implant therapy. The objective was to assess the effects of sterilization procedures in 3D printed drill guide templates with ... Read more >>

BMC Oral Health (BMC oral health)
[2020, 20(1):19]

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Cerebrospinal fluid non-phosphorylated tau in the differential diagnosis of Creutzfeldt-Jakob disease: a comparative prospective study with 14-3-3.

Franc Llorens, Anna Villar-Piqué, Peter Hermann, Matthias Schmitz, Stefan Goebel, Katharina Waniek, Ingolf Lachmann, Inga Zerr,

Cerebrospinal fluid (CSF) non-phosphorylated tau (non-p-tau) is increased in sporadic Creutzfeldt-Jakob disease (CJD), but its accuracy in the differential diagnosis has not been previously established. Here, we first used a retrospective cohort of non-CJD (n = 135) and CJD (n = 137) cases to determine the optimal cutoff point for the discrimination of CJD ... Read more >>

J Neurol (Journal of neurology)
[2020, 267(2):543-550]

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Study of the Intrinsic Fluorescence of a Highly Branched Cationic Dendrimer, Poly(Ethyleneimine) (PEI).

Viktória Tóth, Péter Hermann, Dániel Végh, Tivadar Zelles, Zoltán Géczi,

Poly(ethyleneimine) (PEI) is a weakly basic, synthetic, polycationic polymer, due to the presence of primary, secondary, and tertiary amino groups. The amino groups are responsible for the variety of applications of PEI (e.g., transfection, bioimaging, solar cell, etc.). Our study presents some new and reproducible methods for the quantification of ... Read more >>

Molecules (Molecules (Basel, Switzerland))
[2019, 24(20):]

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Plasma YKL-40 in the spectrum of neurodegenerative dementia.

Anna Villar-Piqué, Matthias Schmitz, Peter Hermann, Stefan Goebel, Timothy Bunck, Daniela Varges, Isidre Ferrer, Joachim Riggert, Franc Llorens, Inga Zerr,

<h4>Background</h4>Increased plasma YKL-40 has been reported in Alzheimer's disease (AD), but its levels in other neurodegenerative diseases are unknown. Here, we aimed to investigate plasma YKL-40 in the spectrum of neurodegenerative dementias.<h4>Methods</h4>YKL-40 was quantified in the plasma of 315 cases, including healthy controls (HC), neurological disease controls (ND), AD, vascular ... Read more >>

J Neuroinflammation (Journal of neuroinflammation)
[2019, 16(1):145]

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Age at onset in genetic prion disease and the design of preventive clinical trials.

Eric Vallabh Minikel, Sonia M Vallabh, Margaret C Orseth, Jean-Philippe Brandel, Stéphane Haïk, Jean-Louis Laplanche, Inga Zerr, Piero Parchi, Sabina Capellari, Jiri Safar, Janna Kenny, Jamie C Fong, Leonel T Takada, Claudia Ponto, Peter Hermann, Tobias Knipper, Christiane Stehmann, Tetsuyuki Kitamoto, Ryusuke Ae, Tsuyoshi Hamaguchi, Nobuo Sanjo, Tadashi Tsukamoto, Hidehiro Mizusawa, Steven J Collins, Roberto Chiesa, Ignazio Roiter, Jesús de Pedro-Cuesta, Miguel Calero, Michael D Geschwind, Masahito Yamada, Yosikazu Nakamura, Simon Mead,

<h4>Objective</h4>To determine whether preventive trials in genetic prion disease could be designed to follow presymptomatic mutation carriers to onset of disease.<h4>Methods</h4>We assembled age at onset or death data from 1,094 individuals with high penetrance mutations in the prion protein gene (<i>PRNP</i>) in order to generate survival and hazard curves and ... Read more >>

Neurology (Neurology)
[2019, 93(2):e125-e134]

Cited: 6 times

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CSF neurogranin as a neuronal damage marker in CJD: a comparative study with AD.

Kaj Blennow, Daniela Diaz-Lucena, Henrik Zetterberg, Anna Villar-Pique, Andre Karch, Enric Vidal, Peter Hermann, Matthias Schmitz, Isidro Ferrer Abizanda, Inga Zerr, Franc Llorens,

<h4>Objective</h4>To investigate whether cerebrospinal fluid (CSF) neurogranin concentrations are altered in sporadic Creutzfeldt-Jakob disease (CJD), comparatively with Alzheimer's disease (AD), and associated with neuronal degeneration in brain tissue.<h4>Methods</h4>CSF neurogranin, total tau, neurofilament light (NFL) and 14-3-3 protein were measured in neurological controls (NCs, n=64), AD (n=46) and CJD (n=81). The ... Read more >>

J Neurol Neurosurg Psychiatry (Journal of neurology, neurosurgery, and psychiatry)
[2019, 90(8):846-853]

Cited: 6 times

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Effects of substrate, ceramic thickness, translucency, and cement shade on the color of CAD/CAM lithium-disilicate crowns.

Alexandra Czigola, Emese Abram, Zoltan I Kovacs, Krisztina Marton, Peter Hermann, Judit Borbely,

<h4>Objective</h4>The aim of this in vitro study was to evaluate the effects of substrate colors, different levels of ceramic thickness and translucency, and cement shades on the color difference from a reference color of lithium-disilicate crowns.<h4>Materials and methods</h4>A premolar tooth preparation was made on a study model for 1.0 and ... Read more >>

J Esthet Restor Dent (Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.])
[2019, 31(5):457-464]

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Perceived health effects of vaping among Hungarian adult e-cigarette-only and dual users: a cross-sectional internet survey.

Lilla Abafalvi, Melinda Pénzes, Róbert Urbán, Kristie L Foley, Réka Kaán, Barbara Kispélyi, Péter Hermann,

<h4>Background</h4>Knowledge about the health effects of e-cigarette use (or vaping) among past and current combustible cigarette users is limited. Several studies have assessed vaping-related adverse events (AEs) and beneficial health effects, however, most studies focused on AEs in general and examined only a few physiological changes that vapers experience. This ... Read more >>

BMC Public Health (BMC public health)
[2019, 19(1):302]

Cited: 1 time

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Distinct microglia profile in Creutzfeldt-Jakob disease and Alzheimer's disease is independent of disease kinetics.

Katarina Krbot, Peter Hermann, Magdalena Krbot Skorić, Inga Zerr, Diego Sepulveda-Falla, Stefan Goebel, Jakob Matschke, Susanne Krasemann, Markus Glatzel,

Activated microglia represent a common pathological feature of neurodegenerative diseases. Sporadic Creutzfeldt-Jakob disease (sCJD) patients show more pronounced microglial activation than Alzheimer's disease (AD) patients. Whether these differences are due to differences in disease kinetics or represent disease-specific changes is unknown. We investigated microglial phenotypes in brains of rapidly progressive ... Read more >>

Neuropathology (Neuropathology : official journal of the Japanese Society of Neuropathology)
[2018, 38(6):591-600]

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[Intra-articular steroid and hyaluronic acid treatment of internal derangement of the temporomandibular joint].

Szonja Vingender, László Restár, Krisztián Benedek Csomó, Péter Schmidt, Péter Hermann, Mihály Vaszilkó,

<h4>Introduction</h4>Derangement of the temporomandibular joint complicates everyday life, due to the masticatory malfunction and the continuous pain sensation of the head and facial region. The therapy is multidisciplinary and varying. In case of the inefficiency of conservative therapy, minimally invasive intervention is needed with intraarticular injection.<h4>Aim</h4>The aim of our study ... Read more >>

Orv Hetil (Orvosi hetilap)
[2018, 159(36):1475-1482]

Cited: 2 times

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