Browsing by Author "Salvadó, Gemma"

Sort by: Order: Results:

  • A multisite analysis of the concordance between visual image interpretation and quantitative analysis of [18F]flutemetamol amyloid PET images
    Bucci, Marco; Savitcheva, Irina; Farrar, Gill; Salvadó, Gemma; Collij, Lyduine E.; Doré, Vincent; Gispert López, Juan Domingo; Gunn, Roger; Hanseeuw, Bernard; Hansson, Oskar; Shekari, Mahnaz; Lhommel, Renaud; Molinuevo, José Luis; Rowe, Christopher; Sur, Cyrille; Whittington, Alex; Buckley, Christopher, 1948-; Nordberg, Agneta (Springer, 2021)
    Background: [18F]flutemetamol PET scanning provides information on brain amyloid load and has been approved for routine clinical use based upon visual interpretation as either negative (equating to none or sparse amyloid ...
  • Age, sex and APOE-ε4 modify the balance between soluble and fibrillar β-amyloid in non-demented individuals: topographical patterns across two independent cohorts
    Cacciaglia, Raffaele; Salvadó, Gemma; Molinuevo, José Luis; Shekari, Mahnaz; Falcón, Carles; Operto, Grégory; Suárez-Calvet, Marc; Milà Alomà, Marta; Sala, Arianna; Rodriguez-Vieitez, Elena; Kollmorgen, Gwendlyn; Suridjan, Ivonne; Blennow, Kaj; Zetterberg, Henrik; Gispert López, Juan Domingo; Alzheimer’s Disease Neuroimaging Initiative; ALFA Study (Nature Research, 2022)
    Amyloid (Aβ) pathology is the earliest detectable pathophysiological event along the Alzheimer's continuum, which can be measured both in the cerebrospinal fluid (CSF) and by Positron Emission Tomography (PET). Yet, these ...
  • Amyloid beta, tau, synaptic, neurodegeneration, and glial biomarkers in the preclinical stage of the Alzheimer's continuum
    Milà Alomà, Marta; Salvadó, Gemma; Gispert López, Juan Domingo; Vilor Tejedor, Natàlia, 1988-; Grau-Rivera, Oriol; Sala Vila, Aleix; Sánchez Benavides, Gonzalo; Arenaza Urquijo, Eider M.; Crous-Bou, Marta; González de Echávarri, José Maria; Minguillón, Carolina; Fauria, Karine; Simon, Maryline; Kollmorgen, Gwendlyn; Zetterberg, Henrik; Blennow, Kaj; Suárez-Calvet, Marc; Molinuevo, José Luis; ALFA Study (Wiley, 2020)
    Introduction: The biological pathways involved in the preclinical stage of the Alzheimer's continuum are not well understood. Methods: We used NeuroToolKit and Elecsys® immunoassays to measure cerebrospinal fluid (CSF) ...
  • Association between insomnia and cognitive performance, gray matter volume, and white matter microstructure in cognitively unimpaired adults
    Grau-Rivera, Oriol; Operto, Grégory; Falcón, Carles; Sánchez Benavides, Gonzalo; Cacciaglia, Raffaele; Brugulat Serrat, Anna, 1986-; Gramunt Fombuena, Nina; Salvadó, Gemma; Suárez-Calvet, Marc; Minguillón, Carolina; Iranzo, Alex; Gispert López, Juan Domingo; Molinuevo, José Luis; ALFA Study (BioMed Central, 2020)
    Background: Mounting evidence links poor sleep quality with a higher risk of late-life dementia. However, the structural and cognitive correlates of insomnia are still not well understood. The study aims were to characterize ...
  • Association of weight change with cerebrospinal fluid biomarkers and amyloid positron emission tomography in preclinical Alzheimer's disease
    Grau-Rivera, Oriol; Navalpotro Gómez, Irene; Sánchez Benavides, Gonzalo; Suárez-Calvet, Marc; Milà Alomà, Marta; Arenaza Urquijo, Eider M.; Salvadó, Gemma; Sala Vila, Aleix; Shekari, Mahnaz; González de Echávarri, José Maria; Minguillón, Carolina; Niñerola-Baizán, Aida; Perissinotti, Andrés; Simon, Maryline; Kollmorgen, Gwendlyn; Zetterberg, Henrik; Blennow, Kaj; Gispert López, Juan Domingo; Molinuevo, José Luis; ALFA Study (BioMed Central, 2021)
    Background: Recognizing clinical manifestations heralding the development of Alzheimer's disease (AD)-related cognitive impairment could improve the identification of individuals at higher risk of AD who may benefit from ...
  • Associations between air pollution and biomarkers of Alzheimer's disease in cognitively unimpaired individuals
    Alemany, Silvia; Vilor Tejedor, Natàlia, 1988-; Milà Alomà, Marta; Suárez-Calvet, Marc; Salvadó, Gemma; Arenaza Urquijo, Eider M.; Sánchez Benavides, Gonzalo; Grau-Rivera, Oriol; Minguillón, Carolina; Fauria, Karine; Domingo Gispert, Juan; Gascon Merlos, Mireia, 1984-; Nieuwenhuijsen, Mark J.; Sunyer Deu, Jordi; ALFA Study (Elsevier, 2021)
    Background: Air quality contributes to incidence of Alzheimer's disease (AD) although the underlying neurobiological mechanisms are unclear. This study was aimed to examine the association between air pollution and ...
  • Centiloid cut-off values for optimal agreement between PET and CSF core AD biomarkers
    Salvadó, Gemma; Molinuevo, José Luis; Brugulat Serrat, Anna, 1986-; Falcón, Carles; Grau-Rivera, Oriol; Suárez-Calvet, Marc; Pavía Segura, Javier; Niñerola-Baizán, Aida; Perissinotti, Andrés; Lomeña, Francisco; Minguillón, Carolina; Fauria, Karine; Zetterberg, Henrik; Blennow, Kaj; Gispert López, Juan Domingo; Alzheimer’s Disease Neuroimaging Initiative (BioMed Central, 2019)
    Background: The Centiloid scale has been developed to standardize measurements of amyloid PET imaging. Reference cut-off values of this continuous measurement enable the consistent operationalization of decision-making for ...
  • Cerebral amyloid-β load is associated with neurodegeneration and gliosis: Mediation by p-tau and interactions with risk factors early in the Alzheimer's continuum
    Salvadó, Gemma; Milà Alomà, Marta; Shekari, Mahnaz; Minguillón, Carolina; Fauria, Karine; Niñerola-Baizán, Aida; Perissinotti, Andrés; Kollmorgen, Gwendlyn; Buckley, Christopher, 1948-; Farrar, Gill; Zetterberg, Henrik; Blennow, Kaj; Suárez-Calvet, Marc; Molinuevo, José Luis; Gispert López, Juan Domingo; ALFA Study (Wiley, 2021)
    Introduction: The association between cerebral amyloid-β accumulation and downstream CSF biomarkers is not fully understood, particularly in asymptomatic stages. Methods: In 318 cognitively unimpaired participants, we ...
  • Cognitively unimpaired individuals with a low burden of Aβ pathology have a distinct CSF biomarker profile
    Milà Alomà, Marta; Shekari, Mahnaz; Salvadó, Gemma; Gispert López, Juan Domingo; Arenaza Urquijo, Eider M.; Operto, Grégory; Falcón, Carles; Vilor Tejedor, Natàlia, 1988-; Grau-Rivera, Oriol; Sala Vila, Aleix; Sánchez Benavides, Gonzalo; González de Echávarri, José Maria; Minguillón, Carolina; Suárez-Calvet, Marc; Molinuevo, José Luis; ALFA Study (BioMed Central, 2021)
    Background: Understanding the changes that occur in the transitional stage between absent and overt amyloid-β (Aβ) pathology within the Alzheimer's continuum is crucial to develop therapeutic and preventive strategies. The ...
  • CSF synaptic biomarkers in the preclinical stage of Alzheimer disease and their association with MRI and PET: a cross-sectional study
    Milà Alomà, Marta; Brinkmalm, Ann; Ashton, Nicholas J.; Kvartsberg, Hlin; Shekari, Mahnaz; Operto, Grégory; Salvadó, Gemma; Falcon, Carles; Domingo Gispert, Juan; Vilor Tejedor, Natàlia, 1988-; Arenaza Urquijo, Eider M.; Grau-Rivera, Oriol; Sala Vila, Aleix; Sanchez-Benavides, Gonzalo; González de Echávarri, José Maria; Minguillón, Carolina; Fauria, Karine; Niñerola-Baizán, Aida; Perissinotti, Andrés; Kollmorgen, Gwendlyn; Suridjan, Ivonne; Zetterberg, Henrik; Molinuevo, José Luis; Blennow, Kaj; Suárez-Calvet, Marc; ALFA Study (Lippincott Williams & Wilkins, 2021)
    Background and objectives: To determine whether CSF synaptic biomarkers are altered in the early preclinical stage of the Alzheimer continuum and associated with Alzheimer disease (AD) risk factors, primary pathology, and ...
  • DHA intake relates to better cerebrovascular and neurodegeneration neuroimaging phenotypes in middle-aged adults at increased genetic risk of Alzheimer disease
    Sala Vila, Aleix; Arenaza Urquijo, Eider M.; Sánchez Benavides, Gonzalo; Suárez-Calvet, Marc; Milà Alomà, Marta; Grau-Rivera, Oriol; González de Echávarri, José Maria; Crous-Bou, Marta; Minguillón, Carolina; Fauria, Karine; Operto, Grégory; Falcón, Carles; Salvadó, Gemma; Cacciaglia, Raffaele; Ingala, Silvia; Barkhof, Frederik; Schröder, Helmut, 1958-; Scarmeas, Nikolaos; Gispert López, Juan Domingo; Molinuevo, José Luis; ALFA Study (American Society for Nutrition, 2021)
    Background: The number of APOE-ε4 alleles is a major nonmodifiable risk factor for sporadic Alzheimer disease (AD). There is increasing evidence on the benefits of dietary DHA (22:6n-3) before the onset of AD symptoms, ...
  • Differences between plasma and cerebrospinal fluid glial fibrillary acidic protein levels across the alzheimer disease continuum
    Benedet, Andrea L.; Milà Alomà, Marta; Salvadó, Gemma; Shekari, Mahnaz; Operto, Gregory; Gispert López, Juan Domingo; Minguillón, Carolina; Molinuevo, José Luis; Suárez-Calvet, Marc; Translational Biomarkers in Aging and Dementia (TRIAD) study; ALFA Study; BioCogBank Paris Lariboisière cohort (American Medical Association, 2021)
    Importance: Glial fibrillary acidic protein (GFAP) is a marker of reactive astrogliosis that increases in the cerebrospinal fluid (CSF) and blood of individuals with Alzheimer disease (AD). However, it is not known whether ...
  • Differential associations of APOE-ε2 and APOE-ε4 alleles with PET-measured amyloid-β and tau deposition in older individuals without dementia
    Salvadó, Gemma; Grothe, Michel J.; Groot, Colin; Moscoso, Alexis; Schöll, Michael; Gispert López, Juan Domingo; Ossenkoppele, Rik; Alzheimer’s Disease Neuroimaging Initiative (Springer, 2021)
    Purpose: To examine associations between the APOE-ε2 and APOE-ε4 alleles and core Alzheimer's disease (AD) pathological hallmarks as measured by amyloid-β (Aβ) and tau PET in older individuals without dementia. Methods: ...
  • Novel tau biomarkers phosphorylated at T181, T217 or T231 rise in the initial stages of the preclinical Alzheimer's continuum when only subtle changes in Aβ pathology are detected
    Suárez-Calvet, Marc; Milà Alomà, Marta; Gispert López, Juan Domingo; Salvadó, Gemma; Minguillón, Carolina; Shekari, Mahnaz; Grau-Rivera, Oriol; Arenaza Urquijo, Eider M.; Sala Vila, Aleix; González de Echávarri, José Maria; Molinuevo, José Luis; ALFA Study (Wiley, 2020)
    In Alzheimer's disease (AD), tau phosphorylation in the brain and its subsequent release into cerebrospinal fluid (CSF) and blood is a dynamic process that changes during disease evolution. The main aim of our study was ...
  • P-tau235: a novel biomarker for staging preclinical Alzheimer's disease
    Lantero Rodriguez, Juan; Snellman, Anniina; Benedet, Andrea L.; Milà Alomà, Marta; Camporesi, Elena; Montoliu-Gaya, Laia; Ashton, Nicholas J.; Vrillon, Agathe; Karikari, Thomas K.; Domingo Gispert, Juan; Salvadó, Gemma; Shekari, Mahnaz; Toomey, Christina E.; Lashley, Tammaryn L.; Zetterberg, Henrik; Suárez-Calvet, Marc; Brinkmalm, Gunnar; Rosa-Neto, Pedro; Blennow, Kaj (Wiley, 2021)
    Alzheimer's disease (AD) is characterised by a long preclinical phase. Although phosphorylated tau (p-tau) species such as p-tau217 and p-tau231 provide accurate detection of early pathological changes, other biomarkers ...
  • Patterns of white matter hyperintensities associated with cognition in middle-aged cognitively healthy individuals
    Brugulat Serrat, Anna, 1986-; Salvadó, Gemma; Sudre, Carole H.; Grau-Rivera, Oriol; Suárez-Calvet, Marc; Falcón, Carles; Sánchez Benavides, Gonzalo; Gramunt Fombuena, Nina; Fauria, Karine; Cardoso, M. Jorge; Barkhof, Frederik; Molinuevo, José Luis; Gispert López, Juan Domingo; ALFA Study (Springer, 2019)
    White matter hyperintensities (WMH) are commonly detected in the brain of elderly individuals and have been associated with a negative impact on multiple cognitive domains. We aim to investigate the impact of global and ...
  • Plasma p-tau231 and p-tau217 as state markers of amyloid-β pathology in preclinical Alzheimer's disease
    Milà Alomà, Marta; Shekari, Mahnaz; Salvadó, Gemma; Ortiz Romero, Paula, 1994-; González-Escalante, Armand; Sánchez Benavides, Gonzalo; Minguillón, Carolina; Gispert López, Juan Domingo; Suárez-Calvet, Marc; Blennow, Kaj (Nature Research, 2022)
    Blood biomarkers indicating elevated amyloid-β (Aβ) pathology in preclinical Alzheimer's disease are needed to facilitate the initial screening process of participants in disease-modifying trials. Previous biofluid data ...
  • Quantification of [18 F]florbetaben amyloid-PET imaging in a mixed memory clinic population. The ABIDE project
    Collij, Lyduine E.; Salvadó, Gemma; de Wilde, Arno; Altomare, Daniele; Shekari, Mahnaz; Domingo Gispert, Juan; Bullich, Santiago; Stephens, Andrew W.; Barkhof, Frederik; Scheltens, Philip; Bouwman, Femke; van der Flier, Wiesje M. (Wiley, 2022)
    Introduction: we investigated amyloid-burden quantification in a mixed memory clinic population. Methods: [18 F]Florbetaben amyloid-PET (positron emission tomography) scans of 348 patients were visually read and quantified ...
  • Quantification of amyloid PET for future clinical use: a state-of-the-art review
    Pemberton, Hugh G.; Collij, Lyduine E.; Heeman, Fiona; Bollack, Ariane; Shekari, Mahnaz; Salvadó, Gemma; Lopes Alves, Isadora; Vallez Garcia, David; Battle, Mark; Buckley, Christopher, 1948-; Stephens, Andrew W.; Bullich, Santiago; Garibotto, Valentina; Barkhof, Frederik; Gispert López, Juan Domingo; Farrar, Gill; AMYPAD Consortium (Springer, 2022)
    Amyloid-β (Aβ) pathology is one of the earliest detectable brain changes in Alzheimer's disease (AD) pathogenesis. The overall load and spatial distribution of brain Aβ can be determined in vivo using positron emission ...
  • Quantitative informant‐ and self‐reports of subjective cognitive decline predict amyloid beta PET outcomes in cognitively unimpaired individuals independently of age and APOE ε4
    Sánchez Benavides, Gonzalo; Salvadó, Gemma; Arenaza Urquijo, Eider M.; Grau-Rivera, Oriol; Suárez-Calvet, Marc; Milà Alomà, Marta; González de Echávarri, José Maria; Minguillón, Carolina; Crous-Bou, Marta; Niñerola-Baizán, Aida; Perissinotti, Andrés; Gispert López, Juan Domingo; Molinuevo, José Luis; ALFA Study (Wiley, 2020)
    Introduction: Amyloid beta (Aβ) pathology is an Alzheimer's disease early hallmark. Here we assess the value of longitudinal self- and informant reports of cognitive decline to predict Aβ positron emission tomography (PET) ...