Browsing by Author "Milà Alomà, Marta"

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  • 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) ...
  • Amyloid-β positive individuals with subjective cognitive decline present increased CSF neurofilament light levels that relate to lower hippocampal volume
    Sánchez Benavides, Gonzalo; Suárez-Calvet, Marc; Milà Alomà, Marta; Arenaza Urquijo, Eider M.; Grau-Rivera, Oriol; Operto, Grégory; Domingo Gispert, Juan; Vilor Tejedor, Natàlia, 1988-; Sala Vila, Aleix; Crous-Bou, Marta; González de Echávarri, José Maria; Minguillón, Carolina; Fauria, Karine; Simon, Maryline; Kollmorgen, Gwendlyn; Zetterberg, Henrik; Blennow, Kaj; Molinuevo, José Luis; ALFA Study (Elsevier, 2021)
    Neurofilament light chain (NfL) is an axonal protein that when measured in cerebrospinal fluid (CSF) serves as a biomarker of neurodegeneration. We aimed at investigating the association among CSF NfL, presence of Subjective ...
  • 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 ...
  • 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 ...
  • Characterization of fluid biomarker profiles in the preclinical stage of the Alzehimer's continuum
    Milà Alomà, Marta (2022-04-29)
    La malaltia d’Alzheimer (MA) està precedida per una llarga etapa preclínica, en la qual es desenvolupa la patologia cerebral en absència de simptomatologia. La identificació acurada d’aquesta fase preclínica, i un millor ...
  • 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 ...
  • Effect of BDNF Val66Met on hippocampal subfields volumes and compensatory interaction with APOE-ε4 in middle-age cognitively unimpaired individuals from the ALFA study
    Vilor Tejedor, Natàlia, 1988-; Operto, Grégory; Evans, Tavia E.; Falcón, Carles; Crous-Bou, Marta; Minguillón, Carolina; Cacciaglia, Raffaele; Milà Alomà, Marta; Grau-Rivera, Oriol; Suárez-Calvet, Marc; Garrido Martín, Diego, 1992-; Morán, Sebastián; Esteller, Manel; Adams, Hieab H.; Molinuevo, José Luis; Guigó Serra, Roderic; Gispert López, Juan Domingo; ALFA Study (Springer, 2020)
    Background: Current evidence supports the involvement of brain-derived neurotrophic factor (BDNF) Val66Met polymorphism, and the ε4 allele of APOE gene in hippocampal-dependent functions. Previous studies on the association ...
  • Genotypic effects of APOE-ε4 on resting-state connectivity in cognitively intact individuals support functional brain compensation
    Cacciaglia, Raffaele; Operto, Grégory; Falcón, Carles; González de Echávarri, José Maria; Sánchez Benavides, Gonzalo; Brugulat Serrat, Anna, 1986-; Milà Alomà, Marta; Blennow, Kaj; Zetterberg, Henrik; Molinuevo, José Luis; Suárez-Calvet, Marc; Gispert López, Juan Domingo; ALFA Study (Oxford University Press, 2022)
    The investigation of resting-state functional connectivity (rsFC) in asymptomatic individuals at genetic risk for Alzheimer's disease (AD) enables discovering the earliest brain alterations in preclinical stages of the ...
  • 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 ...
  • Perivascular spaces are associated with tau pathophysiology and synaptic dysfunction in early Alzheimer's continuum
    Vilor Tejedor, Natàlia, 1988-; Ciampa, Iacopo; Operto, Grégory; Falcón, Carles; Suárez-Calvet, Marc; Crous-Bou, Marta; Shekari, Mahnaz; Arenaza Urquijo, Eider M.; Milà Alomà, Marta; Grau-Rivera, Oriol; Minguillón, Carolina; Kollmorgen, Gwendlyn; Zetterberg, Henrik; Blennow, Kaj; Guigó Serra, Roderic; Molinuevo, José Luis; Gispert López, Juan Domingo; ALFA Study (BioMed Central, 2021)
    Background: Perivascular spaces (PVS) have an important role in the elimination of metabolic waste from the brain. It has been hypothesized that the enlargement of PVS (ePVS) could be affected by pathophysiological mechanisms ...
  • 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 ...
  • Prepandemic alzheimer disease biomarkers and anxious-depressive symptoms during the COVID-19 confinement in cognitively unimpaired adults
    Akinci, Muge; Peña-Gómez, Cleofé; Operto, Grégory; Fuentes-Julian, Sherezade; Deulofeu, Carme; Sánchez Benavides, Gonzalo; Milà Alomà, Marta; Grau-Rivera, Oriol; Gramunt Fombuena, Nina; Navarro i Cuartiellas, Arcadi, 1969-; Minguillón, Carolina; Fauria, Karine; Suridjan, Ivonne; Kollmorgen, Gwendlyn; Bayfield, Anna; Blennow, Kaj; Zetterberg, Henrik; Molinuevo, José Luis; Suárez-Calvet, Marc; Gispert López, Juan Domingo; Arenaza-Urquijo, Eider M.; ALFA Study (Lippincott Williams & Wilkins, 2022)
    Background and objectives: Increased anxious-depressive symptomatology is observed in the preclinical stage of Alzheimer disease (AD), which may accelerate disease progression. We investigated whether β-amyloid, cortical ...
  • 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) ...
  • Reactive astrogliosis is associated with higher cerebral glucose consumption in the early Alzheimer's continuum
    Salvadó, Gemma; Milà Alomà, Marta; Shekari, Mahnaz; Operto, Grégory; Falcón, Carles; Cacciaglia, Raffaele; Minguillón, Carolina; Zetterberg, Henrik; Blennow, Kaj; Suárez-Calvet, Marc; Gispert López, Juan Domingo; ALFA Study (SpringerOpen, 2022)
    Purpose: glial activation is one of the earliest mechanisms to be altered in Alzheimer's disease (AD). Glial fibrillary acidic protein (GFAP) relates to reactive astrogliosis and can be measured in both cerebrospinal fluid ...