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While patients over 70\u00a0years old still represent more than half of the cases, the disease is increasingly affecting younger individuals. Environmental factors have been implicated, such as the effects of certain pesticides or chemicals on neurons, such as rotenone or 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). Researchers have also demonstrated the influence of genetic mutations in younger patients. A-synuclein is a protein encoded by the SNCA gene, known to undergo various mutations in hereditary cases of PD. These mutations alter the composition and spatial arrangements of \u03b1-synuclein. The proteins, originally of linear shape, aggregate during the progression of PD, forming fibrillary structures that propagate through brain tissues. Among the physical therapies investigated for treating \u03b1-synuclein aggregation, ultrasonic waves, capable of altering protein and cell behaviors, have recently been used to disrupt \u03b1-synuclein fibrils within tissues in cellular and animal models, with the hope of developing treatments based on ultrasound properties. However, detecting fibrils typically requires invasive and non-biocompatible chemical compounds or cumbersome machinery. In this study, our acoustic experimental setup allowed us to investigate the response of \u03b1-synuclein to ultrasound perturbations. By capturing the transmitted wave across proteins over a frequency range 10\u00a0kHz to 10\u00a0MHz, no ultrasound signature indicating the presence of proteins was observed.<\/jats:p>\n          <jats:p>\n            <jats:bold>Significance Statement<\/jats:bold>: The results report there is no ultrasound signature of the presence of \u03b1-synuclein fibrils, from 10\u00a0kHz to 10\u00a0MHz.<\/jats:p>","DOI":"10.1007\/s10930-024-10241-w","type":"journal-article","created":{"date-parts":[[2024,12,4]],"date-time":"2024-12-04T19:32:38Z","timestamp":1733340758000},"page":"62-67","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Exploring Acoustic Detection of \u03b1-Synuclein Fibrils"],"prefix":"10.1007","volume":"44","author":[{"given":"M.","family":"Brun-Cosme-Bruny","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L.","family":"Gerfault","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V.","family":"Mourier","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Torres","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Bleuet","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,12,4]]},"reference":[{"issue":"1\u20132","key":"10241_CR1","doi-asserted-by":"publisher","first-page":"86","DOI":"10.1016\/j.jns.2011.07.047","volume":"310","author":"JH Somme","year":"2011","unstructured":"Somme JH, Gomez-Esteban JC, Molano A et al (2011) Initial neuropsychological impairments in patients with the E46K mutation of the \u03b1-synuclein gene (PARK 1). 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