Alzheimer's Disease (AD) is the major form of senile dementia, characterized by neuronal
loss, extracellular deposits, and neurofibrillary tangles. It is accompanied by a loss of …

Biological membranes show lateral and transverse asymmetric lipid distribution. Cholesterol
(Chol) localizes in both hemilayers, but in the external one it is mostly condensed in lipid …

Background Exosomes are lipid-bilayer enclosed nano-sized vesicles that transfer
functional cellular proteins, mRNA and miRNAs. Mesenchymal stem cells (MSCs) derived …

Alzheimer's disease (AD) is the most common form of degenerative dementia and is
characterized by progressive impairment in cognitive function during mid-to late-adult life …

As many as two million people in the United Kingdom repeatedly see people, animals, and
objects that have no objective reality. Hallucinations on the border of sleep, dementing …

Nicotine and other nicotinic agonists have been found to improve performance on attention
and memory tasks. Clinical studies using nicotine skin patches have demonstrated the …

Nicotinic cholinergic systems are involved with several important aspects of cognitive
function including attention, learning and memory. Nicotinic cholinergic receptors are …

Our understanding of the epidemiology of Alzheimer disease (AD) has advanced rapidly
during the past decade. Community (population) studies in many countries have confirmed …

It is not yet established whether oxidative stress is a major cause of cell death or simply a
consequence of an unknown pathogenetic factor. Concerning chronic diseases, as …

Nicotinic acetylcholine receptors have been found to be important for maintaining optimal
performance on a variety of cognitive tasks. In humans, nicotine-induced improvement of …