Francesco Cavallieri’s Post

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MD, PhD, Neurologist, AUSL-IRCCS of Reggio Emilia

Thrilled to share the results of our latest study entitled "#Neurosteroid Levels in #GBA Mutated and Non-Mutated #Parkinson’s Disease: A Possible Factor Influencing Clinical Phenotype?" just published in Biomolecules MDPI. This pilot study provides the first observation of changes in #neurosteroid peripheral levels in #GBAPD representing a great collaboration between AUSL Reggio Emilia #IRCCS_RE and Università degli Studi di Modena e Reggio Emilia. Some key points: - we assessed neurosteroids’ serum levels in a cohort of GBA-PD compared with matched cohorts of consecutive non-mutated PD patients and healthy subjects with (GBA-HC) and without (NM-HC) GBA mutations. - 22 GBA-PD, 22 NM-PD, 14 GBA-HC and 15 HC were included. - most of the serum neurosteroids were reduced in both GBA-PD and NM-PD compared to the respective control cohorts, except for 5α-dihydroprogesterone. - Allopregnanolone was the only neurosteroid significantly lower in NM-PD compared to GBA-PD patients. - interestingly in GBA-PD, allopregnanolone, and pregnanolone levels correlated with a more severe MDS-UPDRS part-III, while Allopregnanolone levels also negatively correlated with MoCA scores, and pregnanolone levels correlated with more pronounced bradykinesia. Many thanks to all the co-authors in particular Giuseppe Biagini, Chiara Lucchi, franco valzania, Alessio di Fonzo, Edoardo Monfrini, Sara Grisanti, Valentina Fioravanti, Giulia Di Rauso and Jessica Rossi.

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