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Alzheimers and inflammation

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https://www.readbyqxmd.com/read/28746889/molecular-recognition-between-potential-natural-inhibitors-of-the-keap1-nrf2-complex
#1
Martiniano Bello, José Antonio Morales-González
Disrupting the Keap1-Nrf2 pathway enhances Nrf2 activity, which has been identified as an important approach for the prevention of different chronic diseases in which oxidative stress and inflammation are present, such as cancer, diabetes, Alzheimer's and Parkinson's. Based on the high potential to modulate antioxidant, anti-inflammatory and anticancer properties that the discovery of Keap1-Nrf2 protein-protein interaction inhibitors would represent, the utilization of some natural compounds has emerged as a promising strategy to identify new drugs...
July 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28745240/nf-%C3%AE%C2%BAb-a-friend-a-foe-or-a-bystander-in-the-neurodegenerative-cascade-and-pathogenesis-of-alzheimer-s-disease
#2
Othman Ghribi
Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) is a ubiquitous transcription factor that was discovered nearly three decades ago. Since its discovery, this protein complex has been implicated in numerous physiological and pathophysiological processes such as inflammation, insulin resistance, synaptic plasticity and memory as well as pathological conditions including cancer, autoimmune diseases, diabetes, and neurodegenerative diseases such as Alzheimer's disease. This review literature is focused on the potential role NF-κB may play in the etipathogenesis of Alzheimer's disease...
July 25, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28741645/inflammasome-and-autophagy-regulation-a-two-way-street
#3
Qian Sun, Jie Fan, Timothy R Billiar, Melanie J Scott
Inflammation plays a significant role in protecting hosts against pathogens. Inflammation induced by non-infectious, endogenous agents can be detrimental, and if excessive can result in organ and tissue damage. The inflammasome is a major innate immune pathway that can be activated via both exogenous pathogen-associated molecular patterns (PAMPs) and endogenous damage-associated molecular patterns (DAMPs). Inflammasome activation involves formation and oligomerization of a protein complex including a NOD-like receptor (NLR), an adaptor protein (ASC) and procaspase-1...
July 24, 2017: Molecular Medicine
https://www.readbyqxmd.com/read/28738770/effects-of-resveratrol-and-other-polyphenols-on-the-most-common-brain-age-related-diseases
#4
Fiorella Sarubbo, David Moranta, Victor Jose Asensio, Antonio Miralles, Susana Esteban
With the global increase in the elderly population, modern societies must meet the challenge to find strategies to reduce the consequences of aging process; thereby decreasing the incidence of age-related neurodegenerative diseases. Over the last two decades, oxidative stress and recently inflammation, have been pointed out as the leading causes of brain aging. As a suggested treatment, the consumption or administration of antioxidant and anti-inflammatory molecules, such as polyphenols, present in food, is recommended as a beneficial strategy for preventing brain aging and several brain age-related diseases...
July 24, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28736792/double-injected-human-stem-cells-enhance-rehabilitation-in-tbi-mice-via-modulation-of-survival-and-inflammation
#5
Chul Kim, Ji-Min Park, TaeHo Kong, Seungmin Lee, Ki-Weon Seo, Yuri Choi, Young Sook Song, Jisook Moon
Traumatic brain injury (TBI), a complicated form of brain damage, is a major cause of mortality in adults. Following mechanical and structural primary insults, a battery of secondary insults, including neurotransmitter-mediated cytotoxicity, dysregulation of calcium and macromolecule homeostasis, and increased oxidative stress, exacerbate brain injury and functional deficits. Although stem cell therapy is considered to be an alternative treatment for brain injuries, such as TBI and stroke, many obstacles remain...
July 24, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28732807/pharmacology-and-toxicology-of-%C3%AE-and-%C3%AE-asarone-a-review-of-preclinical-evidence
#6
REVIEW
Ranjithkumar Chellian, Vijayapandi Pandy, Zahurin Mohamed
BACKGROUND: Asarone is one of the most researched phytochemicals and is mainly present in the Acorus species and Guatteria gaumeri Greenman. In preclinical studies, both α- and β-asarone have been reported to have numerous pharmacological activities and at the same time, many studies have also revealed the toxicity of α- and β-asarone. PURPOSE: The purpose of this comprehensive review is to compile and analyze the information related to the pharmacokinetic, pharmacological, and toxicological studies reported on α- and β-asarone using preclinical in vitro and in vivo models...
August 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28732502/chronic-glucocorticoid-exposure-activates-bk-nlrp1-signal-involving-in-hippocampal-neuron-damage
#7
Biqiong Zhang, Yaodong Zhang, Wenning Wu, Tanzhen Xu, Yanyan Yin, Junyan Zhang, Dake Huang, Weizu Li
BACKGROUND: Neuroinflammation mediated by NLRP1 (nucleotide-binding oligomerization domain (NOD)-like receptor protein 1) inflammasome plays an important role in many neurological diseases such as Parkinson's disease (PD) and Alzheimer's disease (AD). Our previous studies showed that chronic glucocorticoid (GC) exposure increased brain inflammation via NLRP1 inflammasome and induce neurodegeneration. However, little is known about the mechanism of chronic GC exposure on NLRP1 inflammasome activation in hippocampal neurons...
July 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28731428/development-of-nasal-lipid-nanocarriers-containing-curcumin-for-brain-targeting
#8
Gustavo Richter Vaz, Gabriela Hädrich, Juliana Bidone, Jamile Lima Rodrigues, Mariana Corrêa Falkembach, Jean-Luc Putaux, Mariana Appel Hort, José Maria Monserrat, Antônio Sergio Varela Junior, Helder Ferreira Teixeira, Ana Luiza Muccillo-Baisch, Ana Paula Horn, Cristiana Lima Dora
BACKGROUND: Curcumin (CUR) has properties that can be useful for the treatment of Alzheimer's disease. Such properties are the inhibition of amyloid-β-protein (Aβ) aggregation, Aβ-induced inflammation, and activities of β-secretase and acetylcholinesterase. However, previous studies have revealed that CUR exhibited low bioavailability and difficulties in reaching the brain. OBJECTIVE: To overcome such drawbacks, this study aims at developing nasal lipid nanocarriers loaded with CUR to effectively target the brain...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28730967/microglia-and-astrocytes-in-alzheimer-s-disease-implications-for-therapy
#9
Marc Fakhoury
Alzheimer's disease (AD) is a complex neurodegenerative disorder characterized by the progressive loss of neurons, which typically leads to severe impairments in cognitive functions including memory and learning. Key pathological features of this disease include the deposition of highly insoluble amyloid β peptide and the formation of neurofibrillary tangles (NFTs) in the brain. Over the past few years, mounting evidence has implicated sustained glial-mediated inflammation as a major contributor of the neurodegenerative processes and cognitive deficits observed in AD...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28729832/the-role-of-microglia-in-retinal-neurodegeneration-alzheimer-s-disease-parkinson-and-glaucoma
#10
REVIEW
Ana I Ramirez, Rosa de Hoz, Elena Salobrar-Garcia, Juan J Salazar, Blanca Rojas, Daniel Ajoy, Inés López-Cuenca, Pilar Rojas, Alberto Triviño, José M Ramírez
Microglia, the immunocompetent cells of the central nervous system (CNS), act as neuropathology sensors and are neuroprotective under physiological conditions. Microglia react to injury and degeneration with immune-phenotypic and morphological changes, proliferation, migration, and inflammatory cytokine production. An uncontrolled microglial response secondary to sustained CNS damage can put neuronal survival at risk due to excessive inflammation. A neuroinflammatory response is considered among the etiological factors of the major aged-related neurodegenerative diseases of the CNS, and microglial cells are key players in these neurodegenerative lesions...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28720893/nanoplasmonic-fiber-tip-probe-detects-significant-reduction-of-intracellular-alzheimer-s-disease-related-oligomers-by-curcumin
#11
Feng Liang, Yu Wan, Diane Schaak, Joseph Ward, Xunuo Shen, Rudolph E Tanzi, Can Zhang, Qimin Quan
Considerable evidence shows critical roles of intracellular pathogenic events of Alzheimer's disease (AD). In particular, intracellular amyloid-β accumulation and oligomerization are early AD pathologic processes, which may lead to changes in inflammatory molecules and other AD-related pathological components. Curcumin and its analogs have been identified as potential drug candidates for AD. However, the effects of curcumin on intracellular AD pathologic processes remain largely unknown. Here we utilized a recently developed nanoplasmonic fiber tip probe (nFTP) technology and investigated whether curcumin leads to intracellular AD pathologic changes...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720101/drug-candidates-in-clinical-trials-for-alzheimer-s-disease
#12
REVIEW
Shih-Ya Hung, Wen-Mei Fu
Alzheimer's disease (AD) is a major form of senile dementia, characterized by progressive memory and neuronal loss combined with cognitive impairment. AD is the most common neurodegenerative disease worldwide, affecting one-fifth of those aged over 85 years. Recent therapeutic approaches have been strongly influenced by five neuropathological hallmarks of AD: acetylcholine deficiency, glutamate excitotoxicity, extracellular deposition of amyloid-β (Aβ plague), formation of intraneuronal neurofibrillary tangles (NTFs), and neuroinflammation...
July 19, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28720071/developmental-expression-and-dysregulation-of-mir-146a-and-mir-155-in-down-s-syndrome-and-mouse-models-of-down-s-syndrome-and-alzheimer-s-disease
#13
A Arena, A M Iyer, I Milenkovic, G G Kovács, I Ferrer, M Perluigi, E Aronica
miR-146a and miR-155 are key regulators of the innate immune response. We hypothesized that an inflammation-mediated dysregulation of these miRNAs may occur in patients with Down syndrome (DS) and Alzheimer's disease (AD). The miRNA expression patterns were investigated by in situ hybridization in developing hippocampus from controls, patients with DS and in adults with AD pathology (DS and sporadic AD; sAD). quantitative real-time PCR was employed to evaluate the miRNA levels in the hippocampus of sAD and in mouse models of DS and AD...
July 6, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28719891/serum-interleukin-10-levels-correlate-with-cerebrospinal-fluid-amyloid-beta-deposition-in-alzheimer-disease-patients
#14
Lucio D'Anna, Samir Abu-Rumeileh, Martina Fabris, Cinzia Pistis, Antonio Baldi, Nova Sanvilli, Francesco Curcio, Gian Luigi Gigli, Sebastiano D'Anna, Mariarosaria Valente
BACKGROUND AND OBJECTIVE: In Alzheimer disease (AD) inflammation becomes evident throughout the course of the disease. However, the association between inflammation, cognitive impairment, and cerebrospinal biomarkers (Aβ42, t-tau, p-tau181, and Aβ42/p-tau181 ratio) is poorly understood. METHODS: A large panel of inflammatory cytokines (interleukin [IL]-1β, IL-1ra, IL-2, IL-4, IL-6, IL-10, IL-17, interferon-γ, tumor necrosis factor-α, and vascular endothelial growth factor) was analyzed using a multiplex immunoassay in 27 patients with a diagnosis of AD dementia and in 18 control subjects...
July 19, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28719625/differences-of-immune-disorders-between-alzheimer-s-disease-and-breast-cancer-based-on-transcriptional-regulation
#15
Wei Kong, Xiaoyang Mou, Jin Deng, Benteng Di, Ruxing Zhong, Shuaiqun Wang, Yang Yang, Weiming Zeng
Although chronic inflammation and immune disorders are of great importance to the pathogenesis of both dementia and cancer, the pathophysiological mechanisms are not clearly understood. In recent years, growing epidemiological evidence and meta-analysis data suggest an inverse association between Alzheimer's disease (AD), which is the most common form of dementia, and cancer. It has been revealed that some common genes and biological processes play opposite roles in AD and cancer; however, the biological immune mechanism for the inverse association is not clearly defined...
2017: PloS One
https://www.readbyqxmd.com/read/28716532/multivariate-analyses-of-peripheral-blood-leukocyte-transcripts-distinguish-alzheimer-s-parkinson-s-control-and-those-at-risk-for-developing-alzheimer-s
#16
Elaine Delvaux, Diego Mastroeni, Jennifer Nolz, Nienwen Chow, Marwan Sabbagh, Richard J Caselli, Eric M Reiman, Frederick J Marshall, Paul D Coleman
The need for a reliable, simple, and inexpensive blood test for Alzheimer's disease (AD) suitable for use in a primary care setting is widely recognized. This has led to a large number of publications describing blood tests for AD, which have, for the most part, not been replicable. We have chosen to examine transcripts expressed by the cellular, leukocyte compartment of blood. We have used hypothesis-based cDNA arrays and quantitative PCR to quantify the expression of selected sets of genes followed by multivariate analyses in multiple independent samples...
June 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28713239/increased-white-matter-inflammation-in-aging-and-alzheimer-s-disease-brain
#17
Divya Raj, Zhuoran Yin, Marjolein Breur, Janine Doorduin, Inge R Holtman, Marta Olah, Ietje J Mantingh-Otter, Debby Van Dam, Peter P De Deyn, Wilfred den Dunnen, Bart J L Eggen, Sandra Amor, Erik Boddeke
Chronic neuroinflammation, which is primarily mediated by microglia, plays an essential role in aging and neurodegeneration. It is still unclear whether this microglia-induced neuroinflammation occurs globally or is confined to distinct brain regions. In this study, we investigated microglia activity in various brain regions upon healthy aging and Alzheimer's disease (AD)-related pathology in both human and mouse samples. In purified microglia isolated from aging mouse brains, we found a profound gene expression pattern related to pro-inflammatory processes, phagocytosis, and lipid homeostasis...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28712011/fgf21-attenuates-high-fat-diet-induced-cognitive-impairment-via-metabolic-regulation-and-anti-inflammation-of-obese-mice
#18
Qingzhi Wang, Jing Yuan, Zhanyang Yu, Li Lin, Yinghua Jiang, Zeyuan Cao, Pengwei Zhuang, Michael J Whalen, Bo Song, Xiao-Jie Wang, Xiaokun Li, Eng H Lo, Yuming Xu, Xiaoying Wang
Accumulating studies suggest that overnutrition-associated obesity may lead to development of type 2 diabetes mellitus and metabolic syndromes (MetS). MetS and its components are important risk factors of mild cognitive impairment, age-related cognitive decline, vascular dementia, and Alzheimer's disease. It has been recently proposed that development of a disease-course modification strategy toward early and effective risk factor management would be clinically significant in reducing the risk of metabolic disorder-initiated cognitive decline...
July 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28709449/a-novel-alzheimer-s-disease-drug-candidate-targeting-inflammation-and-fatty-acid-metabolism
#19
Daniel Daugherty, Joshua Goldberg, Wolfgang Fischer, Richard Dargusch, Pamela Maher, David Schubert
BACKGROUND: CAD-31 is an Alzheimer's disease (AD) drug candidate that was selected on the basis of its ability to stimulate the replication of human embryonic stem cell-derived neural precursor cells as well as in APPswe/PS1ΔE9 AD mice. To move CAD-31 toward the clinic, experiments were undertaken to determine its neuroprotective and pharmacological properties, as well as to assay its therapeutic efficacy in a rigorous mouse model of AD. RESULTS: CAD-31 has potent neuroprotective properties in six distinct nerve cell assays that mimic toxicities observed in the old brain...
July 14, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28707482/peripheral-inflammation-apolipoprotein-e4-and-amyloid-%C3%AE-interact-to-induce-cognitive-and-cerebrovascular-dysfunction
#20
Felecia M Marottoli, Yuriko Katsumata, Kevin P Koster, Riya Thomas, David W Fardo, Leon M Tai
Cerebrovascular dysfunction is rapidly reemerging as a major process of Alzheimer's disease (AD). It is, therefore, crucial to delineate the roles of AD risk factors in cerebrovascular dysfunction. While apolipoprotein E4 ( APOE4), Amyloid-β (Aβ), and peripheral inflammation independently induce cerebrovascular damage, their collective effects remain to be elucidated. The goal of this study was to determine the interactive effect of APOE4, Aβ, and chronic repeated peripheral inflammation on cerebrovascular and cognitive dysfunction in vivo...
July 2017: ASN Neuro
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