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2026

NADPH oxidase 5 promotes adhesion and infiltration of immune cells in the brain. Implications in ischemic stroke

Javier Marqués, Leyre Basurco, Elena Ainzúa, Victor Marqués, Maite Solas, Enrique Santamaría, Joaquín Fernández-Irigoyen, Davide Maselli, María Martínez-Azcona, Carmen Roncal, Maria S Aymerich, Aleksandar Ivetic, Josune Orbe, Guillermo Zalba

Elsevier - Biochimica et Biophysica Acta (BBA)-Molecular Basis of Disease · 1 April 2026

Blood-brain barrier (BBB) disruption and immune cell infiltration increase the pathological outcomes present in aging, neurodegenerative diseases, and stroke. NADPH oxidase 5 (NOX5) is a ROS-producing enzyme that promotes BBB-permeability in…

2025

Astrocytes as Metabolic Sensors Orchestrating Energy‐Driven Brain Vulnerability in Alzheimer’s Disease

Leyre Sánchez de Muniain, Paula Escalada, María J. Ramírez, Maite Solas

Journal of Neurochemistry · 6 October 2025

Alzheimer's disease (AD), the leading neurodegenerative disorder linked to aging, emerges within a paradoxical metabolic landscape. Despite rising cellular energy demands due to accumulated damage and stress, overall energy expenditure…

Microglial SIRT2 deficiency aggravates cognitive decline and amyloid pathology in Alzheimer’s disease

Noemi Sola-Sevilla, Maider Garmendia-Berges, Mikel Aleixo, MCarmen Mera-Delgado, Maite Solas, Rosa M Tordera, Lucía García-Carracedo, Sara Expósito, Elena Anaya-Cubero, Joaquín Fernández-Irigoyen, Elisabeth Guruceaga, Enrique Santamaria, Eduardo D Martin, Elena Puerta

Academic Press - Brain, behavior, and immunity · 1 October 2025

Sirtuin 2 (SIRT2), a NAD+-dependent deacetylase, has been implicated in aging and neurodegenerative diseases such as Alzheimer’s disease (AD). While global SIRT2 inhibition has shown promise in reducing amyloid-beta pathology…

Embracing the modern biochemistry of brain metabolism

Juan P Bolaños, Cristina M Alberini, Angeles Almeida, L Felipe Barros, Gilles Bonvento, Anne‐Karine Bouzier‐Sore, Ralf Dringen, Giles E Hardingham, Johannes Hirrlinger, Pierre J Magistretti, Giovanni Marsicano, Klaus‐Armin Nave, Rosa C Paolicelli, Luc Pellerin, Pierre‐Yves Plaçais, Thomas Preat, Nathalie Rouach, Ivan Ruminot, Aiman S Saab, Carmen Sandi, Stefanie Schirmeier, Avital Schurr, Jimena Sierralta, Maite Solas, Vanja Tepavcevic, Bruno Weber, Eduardo R Zimmer

Journal of neurochemistry · 21 July 2025

This editorial challenges the long‐held neuron‐centered view of brain metabolism, relying on ample evidence that it is a cooperative, multicellular process. Astrocytes, oligodendrocytes, and other glia play active roles providing…

Astrocytic glucose sensing drives synaptic depression under metabolic stress

Andrés Mateo Baraibar Sierra, Carlos García Ardanaz, Susana Mato Santos, Paolo Kofuji, Alfonso Araque, Maite Solas

International Society on Aging and Disease · 19 June 2025

Glucose is the primary energy source for the brain, and its continuous supply is essential for neuronal function. Astrocytes play a pivotal role in brain energy metabolism by mediating glucose…

2024

Zein nanoparticles extend lifespan in C. elegans and SAMP8 mice

Ana L Martínez-López, Cristian Reboredo, Carlos J González-Navarro, Maite Solas, Elena Puerta, María Javier Ramírez, José L Vizmanos, Juan M Irache

Elsevier - International Journal of Pharmaceutics · 5 December 2024

Empty zein nanoparticles (NP) have been shown to lower glycemia in rats by stimulating the secretion of endogenous GLP-1. This study evaluated the effect of these nanoparticles on the lifespan…

The dual GLP-1/glucagon receptor agonist G49 mimics bariatric surgery effects by inducing metabolic rewiring and inter-organ crosstalk

M Pilar Valdecantos, Laura Ruiz, Cintia Folgueira, Patricia Rada, Beatriz Gomez-Santos, Maite Solas, Ana B Hitos, Joss Field, Vera Francisco, Carmen Escalona-Garrido, Sebastián Zagmutt, María Calderon-Dominguez, Paula Mera, Irma Garcia-Martinez, Elsa Maymó-Masip, Diana Grajales, Rosa Alen, Alfonso Mora, Neira Sainz, Irene Vides-Urrestarazu, Nuria Vilarrasa, Jose M Arbones-Mainar, Carlos Zaragoza, María J Moreno-Aliaga, Patricia Aspichueta, Sonia Fernández-Veledo, Joan Vendrell, Dolors Serra, Laura Herrero, Renate Schreiber, Rudolf Zechner, Guadalupe Sabio, David Hornigold, Cristina M Rondinone, Lutz Jermutus, Joseph Grimsby, Ángela M Valverde

Nature Publishing Group UK - Nature Communications · 28 November 2024

Bariatric surgery is effective for the treatment and remission of obesity and type 2 diabetes, but pharmacological approaches which exert similar metabolic adaptations are needed to avoid post-surgical complications. Here…

Astrocytic GLUT1 reduction paradoxically improves central and peripheral glucose homeostasis

Carlos G Ardanaz, Aida de la Cruz, Paras S Minhas, Nira Hernández-Martín, Miguel Ángel Pozo, M Pilar Valdecantos, Ángela M Valverde, Palmira Villa-Valverde, Marcos Elizalde-Horcada, Elena Puerta, María J Ramírez, Jorge E Ortega, Ainhoa Urbiola, Cristina Ederra, Mikel Ariz, Carlos Ortiz-de-Solórzano, Joaquín Fernández-Irigoyen, Enrique Santamaría, Gerard Karsenty, Jens C Brüning, Maite Solas

American Association for the Advancement of Science - Science Advances · 18 October 2024

Astrocytes are considered an essential source of blood-borne glucose or its metabolites to neurons. Nonetheless, the necessity of the main astrocyte glucose transporter, i.e., GLUT1, for brain glucose metabolism has…

Essential role of astrocytes in learning and memory

Paula Escalada, Amaia Ezkurdia, María Javier Ramírez, Maite Solas

MDPI - International Journal of Molecular Sciences · 5 February 2024

Abstract One of the most biologically relevant functions of astrocytes within the CNS is the regulation of synaptic transmission, i.e., the physiological basis for information transmission between neurons. Changes in…

Novel Pitolisant-Derived Sulfonyl Compounds for Alzheimer Disease

Silvia Pérez-Silanes, Eva Martisova, Esther Moreno, Maite Solas, Daniel Plano, Carmen Sanmartin, María Javier Ramírez

MDPI - International Journal of Molecular Sciences · 8 January 2024

Alzheimer’s disease (AD) is a complex and multifactorial neurodegenerative disorder characterized by cognitive decline, memory loss, behavioral changes, and other neurological symptoms. Considering the urgent need for new AD therapeutics,…

2023

Trimethylamine N-oxide as a mediator linking peripheral to central inflammation: an in vitro study

Manuel H Janeiro, Maite Solas, Josune Orbe, Jose A Rodríguez, Leyre Sanchez de Muniain, Paula Escalada, Ping K Yip, Maria J Ramirez

MDPI - International Journal of Molecular Sciences · 16 December 2023

In this study, the plausible role of trimethylamine N-oxide (TMAO), a microbiota metabolite, was investigated as a link between peripheral inflammation and the inflammation of the central nervous system using…

SIRT2 inhibition rescues neurodegenerative pathology but increases systemic inflammation in a transgenic mouse model of Alzheimer’s disease

Noemi Sola-Sevilla, Alberto Mesa-Lombardo, Mikel Aleixo, Sara Expósito, Teresa Diaz-Perdigón, Amaya Azqueta, Farzad Zamani, Takayoshi Suzuki, Silvia Maioli, Francesca Eroli, Anna Matton, Maria J Ramírez, Maite Solas, Rosa M Tordera, Eduardo D Martín, Elena Puerta

Springer US - Journal of Neuroimmune Pharmacology · 12 September 2023

Sirtuin 2 (SIRT2) has been proposed to have a central role on aging, inflammation, cancer and neurodegenerative diseases; however, its specific function remains controversial. Recent studies propose SIRT2 pharmacological inhibition…

JNK3 overexpression in the entorhinal cortex impacts on the Hippocampus and induces cognitive deficiencies and Tau misfolding

Carlos G Ardanaz, Amaia Ezkurdia, Arantza Bejarano, Beatriz Echarte, Cristian Smerdou, Eva Martisova, Iván Martínez-Valbuena, María-Rosario Luquin, María J Ramírez, Maite Solas

American Chemical Society - ACS Chemical Neuroscience · 26 May 2023

c-Jun N-terminal kinases (JNKs) are a family of protein kinases activated by a myriad of stimuli consequently modulating a vast range of biological processes. In human postmortem brain samples affected…

JNK activation in Alzheimer’s disease is driven by amyloid β and is associated with tau pathology

Maite Solas, Silvia Vela, Cristian Smerdou, Eva Martisova, Iván Martínez-Valbuena, María-Rosario Luquin, María J Ramírez

American Chemical Society - ACS chemical neuroscience · 28 March 2023

c-Jun N-terminal kinase 3 (JNK3) is suggested to play a key role in neurodegenerative disorders, especially in Alzheimer’s disease (AD). However, it remains unclear whether JNK or amyloid β (Aβ)…

New insights into the role of neuroinflammation and glial cells in the development of neurological disorders

Marta Pérez-González, Maite Solas, Yixing Wu, Virginia Mela

Frontiers Media SA - Frontiers in Cellular Neuroscience · 14 March 2023

The largest cell fraction of the human nervous system is composed by glial cells. These non-neuronal cells are responsible for a myriad of functions in the brain including neurogenesis, synaptogenesis,…

Metabolic Syndrome as a Risk Factor for Alzheimer’s Disease: A Focus on Insulin Resistance

Amaia Ezkurdia, María J Ramírez, Maite Solas

MDPI - International journal of molecular sciences · 23 February 2023

Alzheimer’s disease (AD) is the main type of dementia and is a disease with a profound socioeconomic burden due to the lack of effective treatment. In addition to genetics and…

2022

The cognitive improvement and alleviation of brain hypermetabolism caused by FFAR3 ablation in Tg2576 mice is persistent under diet-induced obesity

Maite Solas, Marta Zamarbide, Carlos G Ardanaz, María J Ramírez, Alberto Pérez-Mediavilla

MDPI - International Journal of Molecular Sciences · 5 November 2022

Obesity and aging are becoming increasingly prevalent across the globe. It has been established that aging is the major risk factor for Alzheimer’s disease (AD), and it is becoming increasingly…

Trimethylamine N-oxide (TMAO) drives insulin resistance and cognitive deficiencies in a senescence accelerated mouse model

María Lanz, Manuel H Janeiro, Fermin I Milagro, Elena Puerta, Iziar A Ludwig, Antonio Pineda-Lucena, María J Ramírez, Maite Solas

Elsevier - Mechanisms of Ageing and Development · 1 June 2022

It has been established that ageing is the major risk factor for cognitive deficiency and it is becoming increasingly evident that insulin resistance is another factor. Biological plausibility for a…

Brain Metabolic Alterations in Alzheimer’s Disease

Carlos G Ardanaz, María J Ramírez, Maite Solas

MDPI - International journal of molecular sciences · 29 March 2022

The brain is one of the most energy-consuming organs in the body. Satisfying such energy demand requires compartmentalized, cell-specific metabolic processes, known to be complementary and intimately coupled. Thus, the…

2021

5-HT7 receptors in Alzheimer’s disease

Maite Solas, Debby Van Dam, Jana Janssens, U Ocariz, Yannick Vermeiren, Peter Paul De Deyn, Maria J Ramirez

Pergamon - Neurochemistry international · 1 November 2021

Even though the involvement of serotonin (5-hydroxytryptamine; 5-HT) and its receptors in Alzheimer's disease (AD) is widely accepted, data on the expression and the role of 5-HT7 receptors in AD is relatively limited.…

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