Diagnostic evaluation demonstrates sensitive and specific prion detection in cerebrospinal fluid, indicating robust intravital diagnosis shortly after symptom onset.
Diagnostika prionovĂ˝ch onemocnÄnĂ je obtĂĹžnĂĄ vzhledem k jejich heterogenitÄ a pĹekryvu klinickĂ˝ch pĹĂznakĹŻ s jinĂ˝mi neurodegenerativnĂmi chorobami. Doposud dostupnĂŠ diagnostickĂŠ metody nemÄly dostateÄnou citlivost a specificitu. V roce 2018 byla do diagnostickĂ˝ch kritĂŠriĂ (WHO) zaĹazena metoda RTÂ‑QuIC (Real Time Quacking Induced Conformation assay), kterĂĄ vyuĹžĂvĂĄ pro detekci prionĹŻ jejich schopnost agregovat nativnĂ rekombinantnĂ prionovĂ˝ protein. Agregace je sledovĂĄna v reĂĄlnĂŠm Äase pomocĂ fluorescenÄnĂ sondy. Metoda je extrĂŠmnÄ citlivĂĄ a specifickĂĄ. NaĹĄe vĂ˝sledky potvrzujĂ, Ĺže umoĹžĹuje detekci prionĹŻ v mozkomĂĹĄnĂm moku pacientĹŻ za jejich Ĺživota, krĂĄtce po objevenĂ pĹĂznakĹŻ onemocnÄnĂ.
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Holada et al. (2024) studied this question.
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