Purpose: We investigated sex-related brain metabolic differences in Amyotrophic Lateral Sclerosis (ALS) and healthy controls (HC). Methods: We collected two equal-sized groups of male (m-ALS) and female ALS (f-ALS) patients (n = 130 each), who underwent 2-[18F]FDG-PET at diagnosis, matched for site of onset, cognitive status and King's stage. We included 168 age-matched healthy controls, half female (f-HC) and half male (m-HC). We compared brain metabolism of males and females separately for ALS and HC, including age as covariate. A differential network analysis was performed to evaluate brain connectivity. Results: M-ALS showed relative hypometabolism of bilateral medial frontal, parietal and occipital cortices, and left temporal cortex, compared to f-ALS. In node-wise comparison, f-ALS showed significantly higher connectivity in right middle cingulate cortex and left superior and medial frontal gyrus. In HC we did not find any sex-related differences. Conclusion: Sex resulted a major determinant of brain metabolism and connectivity in ALS patients.

Sex-related differences in amyotrophic lateral sclerosis: A 2-[18F]FDG-PET study / Canosa, Antonio; Martino, Alessio; Manera, Umberto; Giuliani, Alessandro; Vasta, Rosario; Palumbo, Francesca; Grassano, Maurizio; Morbelli, Silvia Daniela; Pardini, Matteo; Chiaravalloti, Agostino; Schillaci, Orazio; Leenders, Klaus Leonard; Kogan, Rosalie Vered; Polverari, Giulia; Zocco, Grazia; Pede, Francesca Di; Mattei, Filippo De; Cabras, Sara; Matteoni, Enrico; Moglia, Cristina; Calvo, Andrea; Chiò, Adriano; Pagani, Marco. - In: EUROPEAN JOURNAL OF NEUROLOGY. - ISSN 1468-1331. - 32:1(2025), pp. 1-11. [10.1111/ene.16588]

Sex-related differences in amyotrophic lateral sclerosis: A 2-[18F]FDG-PET study

Martino, Alessio;
2025

Abstract

Purpose: We investigated sex-related brain metabolic differences in Amyotrophic Lateral Sclerosis (ALS) and healthy controls (HC). Methods: We collected two equal-sized groups of male (m-ALS) and female ALS (f-ALS) patients (n = 130 each), who underwent 2-[18F]FDG-PET at diagnosis, matched for site of onset, cognitive status and King's stage. We included 168 age-matched healthy controls, half female (f-HC) and half male (m-HC). We compared brain metabolism of males and females separately for ALS and HC, including age as covariate. A differential network analysis was performed to evaluate brain connectivity. Results: M-ALS showed relative hypometabolism of bilateral medial frontal, parietal and occipital cortices, and left temporal cortex, compared to f-ALS. In node-wise comparison, f-ALS showed significantly higher connectivity in right middle cingulate cortex and left superior and medial frontal gyrus. In HC we did not find any sex-related differences. Conclusion: Sex resulted a major determinant of brain metabolism and connectivity in ALS patients.
2025
2‐[18F]FDG‐PET
amyotrophic lateral sclerosis
brain connectivity
brain metabolism
sex differences
Sex-related differences in amyotrophic lateral sclerosis: A 2-[18F]FDG-PET study / Canosa, Antonio; Martino, Alessio; Manera, Umberto; Giuliani, Alessandro; Vasta, Rosario; Palumbo, Francesca; Grassano, Maurizio; Morbelli, Silvia Daniela; Pardini, Matteo; Chiaravalloti, Agostino; Schillaci, Orazio; Leenders, Klaus Leonard; Kogan, Rosalie Vered; Polverari, Giulia; Zocco, Grazia; Pede, Francesca Di; Mattei, Filippo De; Cabras, Sara; Matteoni, Enrico; Moglia, Cristina; Calvo, Andrea; Chiò, Adriano; Pagani, Marco. - In: EUROPEAN JOURNAL OF NEUROLOGY. - ISSN 1468-1331. - 32:1(2025), pp. 1-11. [10.1111/ene.16588]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11385/245558
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