Analysis of Protein Conformational Strains-A Key for New Diagnostic Methods of Human Diseases.

Abstract:

:α-Synuclein is a naturally unfolded protein which easily aggregates and forms toxic inclusions and deposits. It is associated with several neurodegenerative diseases, including Parkinson's disease (PD), dementia with Lewy bodies (DLB), and multiple system atrophy (MSA). These diseases, called synucleinopathies, have overlapping symptoms but require different methods of treatment. There are no reliable approaches for early diagnoses of these diseases, and as a result, the treatment begins late, and the disorders are often misdiagnosed. Recent studies revealed that α-synuclein forms distinctive spatial structures or strains at the early steps of these diseases, which may be used for early diagnosis. One of these early diagnostic methods called PMCA (protein misfolding cyclic amplification) allows identification of the distinct α-synuclein strains specific for different human diseases. The method is successfully used for differential diagnosis of patients with PD and MSA.

journal_name

Int J Mol Sci

authors

Surguchov A

doi

10.3390/ijms21082801

subject

Has Abstract

pub_date

2020-04-17 00:00:00

issue

8

issn

1422-0067

pii

ijms21082801

journal_volume

21

pub_type

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