Inhibitory activities of kukoamines A and B from Lycii Cortex on amyloid aggregation related to Alzheimer ’s disease and type 2 diabetes

AbstractAlzheimer ’s diseases (AD) and type 2 diabetes (T2D) are two age-related diseases characterized by amyloid fibrillogenesis. Prevention of amyloid aggregation is a promising therapeutic strategy for AD and T2D. Two spermine alkaloids, kukoamines A and B, isolated from Lycii Cortex (LyC) were investigated f or their inhibitory effect on amyloid aggregation. Both kukoamines A and B inhibited aggregation of amyloid β (Aβ) and human islet amyloid polypeptide (hIAPP) in a dose-dependent manner. Kukoamine B showed stronger inhibitory activity than kukoamine A. These results on the inhibitory activity of kukoamines A and B on Aβ and hIAPP indicate that the catechol moiety is essential for inhibition of amyloid aggregation.
Source: Journal of Natural Medicines - Category: Drugs & Pharmacology Source Type: research

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Authors: Bendlin BB Abstract Given current lack of therapies for dementia, there is substantial interest in identifying potentially modifiable risk factors. Clarifying the potential of these factors to mitigate risk as well as determining the mechanisms that link these factors to dementia is expected to lead to new approaches for both preventing and treating neurodegenerative diseases such as Alzheimer disease. Modifiable factors include cardiovascular risks as well as related lifestyle-centric factors such as diet and physical activity (reviewed in this issue). Given reports that type 2 diabetes and associated fea...
Source: Dialogues in Clinical Neuroscience - Category: Neuroscience Tags: Dialogues Clin Neurosci Source Type: research
Purpose of review Although ketogenic diet therapies (KDTs) were first developed as a treatment for patients with epilepsy, their potential efficacy for a broader number of neurologic and nonneurologic disorders and conditions has been explored over the last 10–20 years. The most recent clinical trials of KDTs in adults have highlighted common methodological aspects that can either facilitate or thwart appropriate risk/benefit analyses, comparisons across studies, and reproducibility of findings in future studies. Recent findings Recent evidence suggests that KDTs not only improve seizure control, but also improv...
Source: Current Opinion in Clinical Nutrition and Metabolic Care - Category: Nutrition Tags: NUTRITION AND PHYSIOLOGICAL FUNCTION: Edited by Labros S. Sidossis and Annemie M.W. Schols Source Type: research
Abstract Insulin is now well-established as playing multiple roles within the brain, and specifically as regulating hippocampal cognitive processes and metabolism. Impairments to insulin signaling, such as those seen in type 2 diabetes and Alzheimer's disease, are associated with brain hypometabolism and cognitive impairment, but the mechanisms of insulin's central effects are not determined. Several lines of research converge to suggest that the insulin-responsive glucose transporter GluT4 plays a central role in hippocampal memory processes, and that reduced activation of this transporter may underpin the cognit...
Source: Experimental Neurology - Category: Neurology Authors: Tags: Exp Neurol Source Type: research
In conclusion, older adults exhibited decreased markers of UPR activation and reduced coordination with autophagy and SC-associated gene transcripts following a single bout of unaccustomed resistance exercise. In contrast, young adults demonstrated strong coordination between UPR genes and key regulatory gene transcripts associated with autophagy and SC differentiation in skeletal muscle post-exercise. Taken together, the present findings suggest a potential age-related impairment in the post-exercise transcriptional response that supports activation of the UPR and coordination with other exercise responsive pathways (i.e....
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
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Source: Fight Aging! - Category: Research Authors: Tags: Medicine, Biotech, Research Source Type: blogs
Alongside Juvenescence, Life Biosciences is one of the first large investment concerns wholly dedicated to the growing longevity industry. The Life Biosciences principals take the approach of providing the extensive supporting infrastructure needed to wrap a company around a senior scientist in the field of aging research, and then guide their work towards commercialization. Most scientists have very little interest in founding a company, and in any case lack the skills needed to do so. This approach of providing an environment that operates in much the same way as academia from the perspective of the researcher, in which ...
Source: Fight Aging! - Category: Research Authors: Tags: Daily News Source Type: blogs
Chronic inflammation is a very important downstream consequence of molecular damage in the progression of aging, arising from numerous causes. The past decade of work on the presence of lingering senescent cells in old tissues indicates that their signaling is significant cause. In animal studies, removing senescent cells can reverse the course of many age-related and other conditions that are primarily inflammatory in nature. Visceral fat tissue in excess amounts can accelerate the production of senescent cells, but it also generates inflammation through other mechanisms, such as debris from dead cells, signaling by non-s...
Source: Fight Aging! - Category: Research Authors: Tags: Medicine, Biotech, Research Source Type: blogs
Authors: Mohd Sahardi NFN, Makpol S Abstract Currently, the age of the population is increasing as a result of increased life expectancy. Ageing is defined as the progressive loss of physiological integrity, which can be characterized by functional impairment and high vulnerability to various types of diseases, such as diabetes, hypertension, Alzheimer's disease (AD), Parkinson's disease (PD), and atherosclerosis. Numerous studies have reported that the presence of oxidative stress and inflammation contributes to the development of these diseases. In general, oxidative stress could induce proinflammatory cytokines ...
Source: Evidence-based Complementary and Alternative Medicine - Category: Complementary Medicine Tags: Evid Based Complement Alternat Med Source Type: research
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Source: Revue Neurologique - Category: Neurology Tags: Rev Neurol (Paris) Source Type: research
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Source: Current Alzheimer Research - Category: Neurology Authors: Tags: Curr Alzheimer Res Source Type: research
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