4 үр дүн
Neuronal death associated with plaque and tangle formation characteristic of Alzheimer's disease (AD) may result from an underlying defect of intracellular protein catabolism. In an attempt to identify the proteolytic enzyme types responsible for aberrant protein processing, we have composed the
OBJECTIVE
To determine whether mutations in the genes for alpha-synuclein or beta-synuclein are responsible for dementia with Lewy bodies (DLB), a disorder closely related to Parkinson disease (PD).
METHODS
The authors ascertained 33 sporadic cases of DLB and 10 kindreds segregating DLB. DNA samples
Prolyl oligopeptidase (EC 3.4.21.26, PREP) is a serine protease that hydrolyzes proline-containing peptides shorter than 30-mer but it has also nonhydrolytic functions. PREP has been shown to accelerate aggregation of wild-type α-synuclein (α-syn) under cell-free conditions, and PREP inhibitors can
The synuclein family of intrinsically unfolded proteins is composed of three highly homologous members, alpha-synuclein (alphaS), beta-synuclein (betaS) and gamma-synuclein (gammaS), which are linked to neurodegenerative disorders and cancer. alphaS has been studied intensively after its