Dysfunction of the serotonergic (5-HTergic) system has been implicated in the cognitive and behavioural symptoms of Alzheimer’s disease (AD). Accumulation of toxic amyloid-β (Aβ) species is a hallmark of AD an...
Authors: Christian Ulrich von Linstow, Jonas Waider, Manuela Grebing, Athanasios Metaxas, Klaus Peter Lesch and Bente Finsen
Whether age at onset influences Alzheimer’s disease (AD) progression and the effectiveness of cholinesterase inhibitor (ChEI) therapy is not clear. We aimed to compare longitudinal cognitive and global outcome...
Polyunsaturated fatty acids play a crucial role in neuronal function, and the modification of these compounds in the brain could have an impact on neurodegenerative diseases such as Alzheimer’s disease. Despit...
The natural history and disease mechanisms of Alzheimer’s disease and related disorders (ADRD) are still poorly understood. Very few resources are available to scrutinise patients as early as needed and to use...
Authors: Carole Dufouil, Bruno Dubois, Bruno Vellas, Florence Pasquier, Frédéric Blanc, Jacques Hugon, Olivier Hanon, Jean-François Dartigues, Sandrine Harston, Audrey Gabelle, Mathieu Ceccaldi, Olivier Beauchet, Pierre Krolak-Salmon, Renaud David, Olivier Rouaud, Olivier Godefroy…
The primary objective of this trial is to investigate the effects of a short-term exercise program on neuropsychiatric signs and symptoms in acute hospital dementia care.
Authors: Tim Fleiner, Hannah Dauth, Marleen Gersie, Wiebren Zijlstra and Peter Haussermann
Little is known about diagnostic work-ups or the costs of diagnosing dementia in specialized care. Here, we analyzed the costs of diagnosing dementia according to specific dementia disorders.
Authors: Bernhard Michalowsky, Steffen Flessa, Johannes Hertel, Olav Goetz, Wolfgang Hoffmann, Stefan Teipel and Ingo Kilimann
β-Amyloid (Aβ) peptide is believed to play a pivotal role in the development of Alzheimer’s disease. Passive immunization with anti-Aβ monoclonal antibodies may facilitate the clearance of Aβ in the brain and ...
Authors: Alexey Teplyakov, Galina Obmolova and Gary L. Gilliland
The specific amyloid-beta (Aβ) species or other amyloid-precursor protein cleavage products that are most directly related to human neurodegeneration and clinical dementia of the Alzheimer’s type have not yet ...
Authors: David L. Brody, Hao Jiang, Norelle Wildburger and Thomas J. Esparza
Mixed vascular and neurodegenerative dementia, such as Alzheimer’s disease (AD) with concomitant cerebrovascular disease, has emerged as the leading cause of age-related cognitive impairment. The brain white m...
Authors: Fang Ji, Ofer Pasternak, Siwei Liu, Yng Miin Loke, Boon Linn Choo, Saima Hilal, Xin Xu, Mohammad Kamran Ikram, Narayanaswamy Venketasubramanian, Christopher Li-Hsian Chen and Juan Zhou
The present study investigated the relationships between thyroid hormone serum levels or thyroid-stimulating hormone (TSH) and two Alzheimer’s disease (AD)-specific biomarkers, cerebral amyloid beta (Aβ) burde...
Authors: Hyo Jung Choi, Min Soo Byun, Dahyun Yi, Bo Kyung Sohn, Jun Ho Lee, Jun-Young Lee, Yu Kyung Kim and Dong Young Lee
Basic research advances in recent years have furthered our understanding of the natural history of Alzheimer’s disease (AD). It is now recognized that pathophysiological changes begin many years prior to clini...
Authors: Paul S. Aisen, Jeffrey Cummings, Clifford R. Jack Jr, John C. Morris, Reisa Sperling, Lutz Frölich, Roy W. Jones, Sherie A. Dowsett, Brandy R. Matthews, Joel Raskin, Philip Scheltens and Bruno Dubois
Neuropsychological testing is considered crucial for differential diagnosis of Alzheimer’s disease (AD) and behavioural variant frontotemporal dementia (bvFTD). In-depth neuropsychological assessment revealed ...
Authors: Sophia Reul, Hubertus Lohmann, Heinz Wiendl, Thomas Duning and Andreas Johnen
Although recent short-term cross-sectional studies have revealed that chronic periodontitis (CP) may be a risk factor for increased cognitive impairment in patients with Alzheimer’s disease (AD), systematic re...
Authors: Chang-Kai Chen, Yung-Tsan Wu and Yu-Chao Chang
Diffusion imaging has demonstrated sensitivity to structural brain changes in Alzheimer’s disease (AD). However, there remains a need for a more complete characterization of microstructural alterations occurri...
Authors: Emilie T. Reas, Donald J. Hagler Jr, Nathan S. White, Joshua M. Kuperman, Hauke Bartsch, Karalani Cross, Richard Q. Loi, Akshara R. Balachandra, M. J. Meloy, Christina E. Wierenga, Douglas Galasko, James B. Brewer, Anders M. Dale and Linda K. McEvoy
Increased levels of the pathogenic amyloid β-peptide (Aβ), released from its precursor by the transmembrane protease γ-secretase, are found in Alzheimer disease (AD) brains. Interestingly, monoamine oxidase B ...
Authors: Sophia Schedin-Weiss, Mitsuhiro Inoue, Lenka Hromadkova, Yasuhiro Teranishi, Natsuko Goto Yamamoto, Birgitta Wiehager, Nenad Bogdanovic, Bengt Winblad, Anna Sandebring-Matton, Susanne Frykman and Lars O. Tjernberg
Antidepressant use has been associated with an increased risk of falling, but no studies have been conducted on whether antidepressant use is associated with an increased risk of head injuries which often resu...
Authors: Heidi Taipale, Marjaana Koponen, Antti Tanskanen, Piia Lavikainen, Reijo Sund, Jari Tiihonen, Sirpa Hartikainen and Anna-Maija Tolppanen
Drugs with anticholinergic properties may be associated with various adverse clinical effects. The relationship between the anticholinergic (AC) burden and functional, global cognitive performance and behavior...
Authors: Virginie Dauphinot, Christelle Mouchoux, Sébastien Veillard, Floriane Delphin-Combe and Pierre Krolak-Salmon
Neurodegenerative disorders such as Alzheimer’s disease (AD), Parkinson’s disease with dementia (PDD), and dementia with Lewy bodies (DLB) share clinical and molecular features. Cerebrospinal fluid (CSF) bioma...
Authors: Davide Chiasserini, Leonardo Biscetti, Paolo Eusebi, Nicola Salvadori, Giulia Frattini, Simone Simoni, Naomi De Roeck, Nicola Tambasco, Erik Stoops, Hugo Vanderstichele, Sebastiaan Engelborghs, Brit Mollenhauer, Paolo Calabresi and Lucilla Parnetti
The apolipoprotein E ε4 (APOE4) genotype is a prominent late-onset Alzheimer’s disease (AD) risk factor. ApoE4 disrupts memory function in rodents and may contribute to both plaque and tangle formation.
Authors: Hoau-Yan Wang, Caryn Trocmé-Thibierge, Andres Stucky, Sanket M. Shah, Jessica Kvasic, Amber Khan, Philippe Morain, Isabelle Guignot, Eva Bouguen, Karine Deschet, Maria Pueyo, Elisabeth Mocaer, Pierre-Jean Ousset, Bruno Vellas and Vera Kiyasova
Non-verbal auditory impairment is increasingly recognised in the primary progressive aphasias (PPAs) but its relationship to speech processing and brain substrates has not been defined. Here we addressed these...
Authors: Chris J. D. Hardy, Jennifer L. Agustus, Charles R. Marshall, Camilla N. Clark, Lucy L. Russell, Rebecca L. Bond, Emilie V. Brotherhood, David L. Thomas, Sebastian J. Crutch, Jonathan D. Rohrer and Jason D. Warren
Synaptic dysfunction contributes to cognitive impairment in Alzheimer’s disease and may be countered by increased intake of nutrients that target brain phospholipid metabolism. In this study, we explored wheth...
Authors: Anne Rijpma, Marinette van der Graaf, Marieke M. Lansbergen, Olga Meulenbroek, Aysun Cetinyurek-Yavuz, John W. Sijben, Arend Heerschap and Marcel G. M. Olde Rikkert
CAD-31 is an Alzheimer’s disease (AD) drug candidate that was selected on the basis of its ability to stimulate the replication of human embryonic stem cell-derived neural precursor cells as well as in APPswe/...
Authors: Daniel Daugherty, Joshua Goldberg, Wolfgang Fischer, Richard Dargusch, Pamela Maher and David Schubert
The Alzheimer’s disease (AD) cerebrospinal fluid (CSF) biomarkers Aβ1–42, t-tau, and p-tau181 overlap with other diseases. New tau modifications or epitopes, such as the non-phosphorylated tau fraction (p-taurel)...
Authors: Joery Goossens, Maria Bjerke, Hanne Struyfs, Ellis Niemantsverdriet, Charisse Somers, Tobi Van den Bossche, Sara Van Mossevelde, Bart De Vil, Anne Sieben, Jean-Jacques Martin, Patrick Cras, Johan Goeman, Peter Paul De Deyn, Christine Van Broeckhoven, Julie van der Zee and Sebastiaan Engelborghs
This study sought to evaluate gender and APOE genotype-related differences in the concentrations of cerebrospinal fluid (CSF) biomarkers for Alzheimer’s disease (AD) and cerebrovascular injury across the life spa...
Authors: Ge Li, Jane B. Shofer, Eric C. Petrie, Chang-En Yu, Charles W. Wilkinson, Dianne P. Figlewicz, Andrew Shutes-David, Jing Zhang, Thomas J. Montine, Murray A. Raskind, Joseph F. Quinn, Douglas R. Galasko and Elaine R. Peskind
Finding ways to reverse or prevent the consequences of pathogenic tau in the brain is of considerable importance for treatment of Alzheimer’s disease and other tauopathies. Immunotherapy against tau has shown ...
Authors: Sulana Schroeder, Aurelie Joly-Amado, Ahlam Soliman, Urmi Sengupta, Rakiz Kayed, Marcia N. Gordon and David Morgan
The original paper Self-Administered Gerocognitive Examination (SAGE) is a valid and reliable cognitive assessment tool used to identify individuals with mild cognitive impairment (MCI) or early dementia. We e...
Authors: Douglas W. Scharre, Shu ing Chang, Haikady N. Nagaraja, Nicole E. Vrettos and Robert A. Bornstein
The use of neurotrophic factors to treat Alzheimer’s disease (AD) is hindered by their blood–brain barrier impermeability, short half-life, and severe side effects. Peptide 021 (P021) is a neurotrophic/neuroge...
Longitudinal studies of dementia with Lewy bodies (DLB) are rare. Clinically, DLB is usually considered to worsen into Alzheimer’s disease (AD). The aim of our study was to compare the rate of the cognitive de...
Authors: Frédéric Blanc, Rachid Mahmoudi, Thérèse Jonveaux, Jean Galmiche, Gilles Chopard, Benjamin Cretin, Catherine Demuynck, Catherine Martin-Hunyadi, Nathalie Philippi, François Sellal, Jean-Marc Michel, Gregory Tio, Melanie Stackfleth, Pierre Vandel, Eloi Magnin, Jean-Luc Novella…
Hyperhomocysteinemia is a risk factor for cognitive decline and dementia, including Alzheimer disease (AD). Homocysteine (Hcy) is a sulfur-containing amino acid and metabolite of the methionine pathway. The in...
Authors: Loïc Dayon, Seu Ping Guiraud, John Corthésy, Laeticia Da Silva, Eugenia Migliavacca, Domilė Tautvydaitė, Aikaterini Oikonomidi, Barbara Moullet, Hugues Henry, Sylviane Métairon, Julien Marquis, Patrick Descombes, Sebastiano Collino, François-Pierre J. Martin, Ivan Montoliu, Martin Kussmann…
A major challenge to our understanding of the molecular mechanisms of Alzheimer’s disease (AD) has been the lack of physiologically relevant in vitro models which capture the precise patient genome, in the cel...
Authors: Charles Arber, Christopher Lovejoy and Selina Wray
β-Amyloid peptide (Aβ) oligomers are initial factors used to induce Alzheimer’s disease (AD) development, and Aβ monomers have normal physiological function. The antibodies or vaccines against Aβ monomers have...
Authors: Shao-wei Wang, Dong-qun Liu, Ling-xiao Zhang, Mei Ji, Yang-xin Zhang, Quan-xiu Dong, Shu-ying Liu, Xi-xiu Xie and Rui-tian Liu
Pyroglutamylation of truncated Aβ peptides, which is catalysed by enzyme glutaminyl cyclase (QC), generates pE-Aβ species with enhanced aggregation propensities and resistance to most amino-peptidases and endo...
Authors: Claire Bridel, Torsten Hoffmann, Antje Meyer, Sisi Durieux, Marleen A. Koel-Simmelink, Matthias Orth, Philip Scheltens, Inge Lues and Charlotte E. Teunissen
The pathophysiology of neurodegeneration is complex. Its diagnosis requires an early identification of sequential changes in several hallmarks in the brains of affected subjects. The presence of brain patholog...
Authors: Hugo Vanderstichele, Leentje Demeyer, Shorena Janelidze, Els Coart, Erik Stoops, Kimberley Mauroo, Victor Herbst, Cindy François and Oskar Hansson
Spaced retrieval training (SRT) is a nonpharmacological intervention for mild cognitive impairment (MCI) and dementia that trains the learning and retention of target information by recalling it over increasin...
Authors: Ji Won Han, Kyung Lak Son, Hye Jin Byun, Ji Won Ko, Kayoung Kim, Jong Woo Hong, Tae Hyun Kim and Ki Woong Kim
A lot of attention has been paid to the relationship of blood pressure and dementia because epidemiological research has reported conflicting evidence. Observational data has shown that midlife hypertension is...
Authors: Jessica Mira Gabin, Kristian Tambs, Ingvild Saltvedt, Erik Sund and Jostein Holmen
The complexity of medication therapy in older adults with multiple comorbidities often leads to inappropriate prescribing. Drugs with anticholinergic properties are of particular interest because many are not ...
Authors: Daniela C. Moga, Erin L. Abner, Dorinda N. Rigsby, Lynne Eckmann, Mark Huffmyer, Richard R. Murphy, Beth B. Coy and Gregory A. Jicha
Mild cognitive impairment (MCI) has an uncertain etiology and prognosis and may be challenging for clinicians to discuss with patients and families. Amyloid imaging may aid specialists in determining MCI etiol...
Authors: Joshua D. Grill, Liana G. Apostolova, Szofia Bullain, Jeffrey M. Burns, Chelsea G. Cox, Malcolm Dick, Dean Hartley, Claudia Kawas, Sarah Kremen, Jennifer Lingler, Oscar L. Lopez, Mark Mapstone, Aimee Pierce, Gil Rabinovici, J. Scott Roberts, Seyed Ahmad Sajjadi…
Our understanding of the molecular mechanisms underlying Alzheimer’s disease (AD) remains incomplete. Previous studies have revealed that genetic factors provide a significant contribution to the pathogenesis ...
Authors: Yan-Shi Hu, Juncai Xin, Ying Hu, Lei Zhang and Ju Wang
Insulin resistance (IR) has previously been associated with an increased risk of developing Alzheimer’s disease (AD), although the relationship between IR and AD is not yet clear. Here, we examined the influen...
Authors: Sarah Westwood, Benjamine Liu, Alison L. Baird, Sneha Anand, Alejo J. Nevado-Holgado, Danielle Newby, Maria Pikkarainen, Merja Hallikainen, Johanna Kuusisto, Johannes R. Streffer, Gerald Novak, Kaj Blennow, Ulf Andreasson, Henrik Zetterberg, Ulf Smith, Markku Laakso…
Prior work suggests that some but not all antihypertensive treatments may benefit cognition and risk for Alzheimer’s disease, independent of stroke. Angiotensin II receptor blockers (ARBs) have been highlighte...
Aggregated amyloid-β peptide 1–42 (Aβ42), derived from the cellular amyloid precursor protein, is one of the pathological hallmarks of Alzheimer’s disease (AD). Although active immunization against Aβ42 peptid...
Authors: Doris Lambracht-Washington, Min Fu, Pat Frost and Roger N. Rosenberg
The relative performance of semi-quantitative amyloid positron emission tomography (PET) and cerebrospinal fluid (CSF) markers in diagnosing Alzheimer’s disease (AD) and predicting the cognitive evolution of p...
Authors: Fayçal Ben Bouallègue, Denis Mariano-Goulart and Pierre Payoux
Safety warnings from health authorities are currently intended to limit the use of antipsychotics (APs) in dementia-related conditions to treat neuropsychiatric symptoms, such as disturbing and/or delusional b...
Authors: Karim Tifratene, Valeria Manera, Roxane Fabre, Auriane Gros, Susanne Thummler, Christian Pradier, Philippe Robert and Renaud David
Cognitive, behavioural, and functional assessment is crucial in longitudinal studies of neurodegenerative dementias (NDD). Central issues, such as the definition of the study population (asymptomatic, at risk,...
Authors: Alberto Costa, Thomas Bak, Paolo Caffarra, Carlo Caltagirone, Mathieu Ceccaldi, Fabienne Collette, Sebastian Crutch, Sergio Della Sala, Jean François Démonet, Bruno Dubois, Emrah Duzel, Peter Nestor, Sokratis G. Papageorgiou, Eric Salmon, Sietske Sikkes, Pietro Tiraboschi…
Progressive supranuclear palsy (PSP) with a frontal presentation, characterized by cognitive deficits and behavioral changes, has been recognized as an early clinical picture, distinct from the classical so-ca...
Authors: Wang Zheng Chiu, Laura Donker Kaat, Agnita J. W. Boon, Wouter Kamphorst, Axel Schleicher, Karl Zilles, John C. van Swieten and Nicola Palomero-Gallagher
Informal care is essential for many people with dementia (PwD), but it often results in a considerable burden for the caregiver. The perseverance time instrument integrates the aspect of perceived burden with ...
Authors: Anke Richters, René J. F. Melis, N. Job van Exel, Marcel G. M. Olde Rikkert and Marjolein A. van der Marck
The incidence of Alzheimer’s disease (AD) strongly relates to advanced age and progressive deposition of cerebral amyloid-beta (Aβ), hyperphosphorylated tau, and iron. The purpose of this study was to investig...
Authors: Frances C. Quevenco, Maria G. Preti, Jiri M. G. van Bergen, Jun Hua, Michael Wyss, Xu Li, Simon J. Schreiner, Stefanie C. Steininger, Rafael Meyer, Irene B. Meier, Adam M. Brickman, Sandra E. Leh, Anton F. Gietl, Alfred Buck, Roger M. Nitsch, Klaas P. Pruessmann…
18F-THK5351 is a quinoline-derived tau imaging agent with high affinity to paired helical filaments (PHF). However, high levels of 18F-THK5351 retention in brain regions thought to con...
Authors: Kok Pin Ng, Tharick A. Pascoal, Sulantha Mathotaarachchi, Joseph Therriault, Min Su Kang, Monica Shin, Marie-Christine Guiot, Qi Guo, Ryuichi Harada, Robert A. Comley, Gassan Massarweh, Jean-Paul Soucy, Nobuyuki Okamura, Serge Gauthier and Pedro Rosa-Neto
Errorless learning (EL) is a method for optimizing learning, which uses feed-forward instructions in order to prevent people from making mistakes during the learning process. The majority of previous studies o...
Authors: Sebastian Voigt-Radloff, Maartje M. E. de Werd, Rainer Leonhart, Danielle H. E. Boelen, Marcel G. M. Olde Rikkert, Klaus Fliessbach, Stefan Klöppel, Bernhard Heimbach, Andreas Fellgiebel, Richard Dodel, Gerhard W. Eschweiler, Lucrezia Hausner, Roy P. C. Kessels and Michael Hüll
The apolipoprotein E ɛ4 (APOE4) allele is the strongest genetic risk factor identified for developing Alzheimer’s disease (AD). Among brain lipids, alteration in the ω-3 polyunsaturated fatty acid docosahexaenoic...
Authors: Hussein N. Yassine, Etienne Croteau, Varun Rawat, Joseph R. Hibbeln, Stanley I. Rapoport, Stephen C. Cunnane and John C. Umhau
