Author/Editor     Sharma, Rakesh
Title     Enhanced electrostatic AChE activity of abnormally hydrophobic environment in Alzheimer’s plaques
Type     članek
Source     Inform Med Slov
Vol. and No.     Letnik 13, št. 1
Publication year     2008
Volume     str. 9-14
Language     eng
Abstract     Computational techniques based on Brownian dynamics simulation speculate the electrostatic and kinetic properties of Acetylcholinesterase (AChE) in the range of dielectric constant values 60-78. Typically the enzyme specific to Alzheimer’s Disease has specificity constant (kcat/Km) of AChE at both dielectrics constants. AChE is distributed heterogeneously within the senile plaques and neurofibrillary tangles (NFTs) of Alzheimer’s Disease (AD). The role of decreased brain AChE has been highlighted as responsible for specific Magnetic Resonance Spectroscopic pattern profiles in AD. These findings strengthen the suggestion that the altered AChE in AD may be associated with specific MR spectral peak patterns. This phenomenon may account for the reduced levels of the ACh neurotransmitter in the cerebral tissue of Alzheimer’s disease (AD) patients. These results can be useful in clinical trials on AD lesions.
Descriptors     ALZHEIMER'S DISEASE
AMYLOID BETA-PROTEIN
ACETYLCHOLINESTERASE
ELECTROSTATICS
MAGNETIC RESONANCE IMAGING
DIFFUSION
TORPEDO
OSMOLAR CONCENTRATION