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Alzheimer's disease, anti-oxidant, anti-inflammatory

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https://www.readbyqxmd.com/read/28425868/pomegranate-as-a-possible-treatment-in-reducing-risk-of-developing-wound-healing-obesity-neurodegenerative-disorders-and-diabetes-mellitus
#1
Manaf AlMatar, Md Rashedul Islam, Othman Albari, Işıl Var, Fatih Köksal
Four distinguished although overlying stages make up the methodical procedure of wound healing, which are hemostasis, inflammation, proliferation and remodelling. Multiple sclerosis (MS) comprises a persistent inflammatory infection of the central nervous system, and is related to demyelination, neurodegeneration, as well as susceptibility to oxidative pressure. Obesity signifies a swiftly developing danger to the wellbeing of populations in a rising number of nations. Usually called diabetes mellitus (DM) by medical practitioners, diabetes details a collection of metabolic diseases within which the individual has raised blood glucose, either due to an insufficiency of insulin generation, or the lack of suitable response by the body to insulin, or both...
April 19, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28413987/alzheimer-s-disease-like-early-phase-brain-pathogenesis-self-curing-amelioration-of-neurodegeneration-from-pro-inflammatory-wounding-to-anti-inflammatory-healing
#2
Jiang He, Tao Liao, Guo-Xin Zhong, Ji-Da Zhang, Yan-Ping Chen, Qi Wang, Qing-Ping Zeng
The etiological initiators of neuroinflammation remain inclusive, and effective interventions to block neurodegeneration are unavailable. Surprisingly, we found collagen II-combined complete Freund's adjuvant (CC) that usually induces rheumatoid arthritis (RA) also drives Alzheimer's disease (AD)-like neurodegeneration in mice. CC not only upregulates the cerebral pro-inflammatory cytokines including tumor necrosis factor α (TNF-α) and interleukin 8 (IL-8), but also downregulates the cerebral interleukin 10 (IL-10), an anti-inflammatory cytokine, and tyrosine hydroxylase (TH), a rate-limiting enzyme for biosynthesis of the anti-inflammatory neurotransmitter dopamine...
April 17, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28411132/methyl-jasmonate-attenuates-memory-dysfunction-and-decreases-brain-levels-of-biomarkers-of-neuroinflammation-induced-by-lipopolysaccharide-in-mice
#3
Umukoro Solomon, Eduviere Anthony Taghogho
Neuroinflammation plays a central role in the etiology and progression of Alzheimer's disease (AD), a neurodegenerative disorder, characterized by a gradual loss of memory functions. Thus, it has been proposed that agents that could reduce inflammatory processes in AD brains might be useful for the treatment of the disease. Methyl jasmonate (MJ) is a bioactive compound, which has been reported to exhibit anti-amnesic and in vitro anti-inflammatory activities. In this study, we further examine its effects on the brain levels of biomarkers of neuroinflammation in lipopolysaccharide (LPS)-induced memory deficits in mice...
April 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28411106/mass-spectrometry-imaging-shows-major-derangements-in-neurogranin-and-in-purine-metabolism-in-the-triple-knockout-3%C3%A3-tg-alzheimer-mouse-model
#4
Clara Esteve, Emrys A Jones, Douglas B Kell, Hervé Boutin, Liam A McDonnell
Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry imaging (MSI) can simultaneously measure hundreds of biomolecules directly from tissue. Using different sample preparation strategies, proteins and metabolites have been profiled to study the molecular changes in a 3×Tg mouse model of Alzheimer's disease. In comparison with wild-type (WT) control mice MALDI-MSI revealed Alzheimer's disease-specific protein profiles, highlighting dramatic reductions of a protein with m/z 7560, which was assigned to neurogranin and validated by immunohistochemistry...
April 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28396278/transport-of-curcumin-derivatives-in-caco-2-cell-monolayers
#5
Zhen Zeng, Zhe L Shen, Shuo Zhai, Jia L Xu, Hui Liang, Qin Shen, Qing Y Li
Curcumin (Cur) is a strong natural antioxidant, who can prevent multiple diseases such as anti-cancer, anti-inflammatory, have a resistance to alzheimer's disease and various malignant diseases. But it has poor oral bioavailability due to its poor aqueous solubility, as well as instability. While its novel derivatives (CB and FE), showed better anti-tumor activity, better anti-oxidant activity and better stability than the original drug (Cur). The aim of this study was to study the intestinal transport of Cur, CB and FE using an in vitro Caco-2 cell monolayer model...
April 7, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28361919/discovery-of-the-first-dual-gsk3%C3%AE-inhibitor-nrf2-inducer-a-new-multitarget-therapeutic-strategy-for-alzheimer-s-disease
#6
Isabel Gameiro, Patrycja Michalska, Giammarco Tenti, Ángel Cores, Izaskun Buendia, Ana I Rojo, Nikolaos D Georgakopoulos, Jesús M Hernández-Guijo, María Teresa Ramos, Geoffrey Wells, Manuela G López, Antonio Cuadrado, J Carlos Menéndez, Rafael León
The formation of neurofibrillary tangles (NFTs), oxidative stress and neuroinflammation have emerged as key targets for the treatment of Alzheimer's disease (AD), the most prevalent neurodegenerative disorder. These pathological hallmarks are closely related to the over-activity of the enzyme GSK3β and the downregulation of the defense pathway Nrf2-EpRE observed in AD patients. Herein, we report the synthesis and pharmacological evaluation of a new family of multitarget 2,4-dihydropyrano[2,3-c]pyrazoles as dual GSK3β inhibitors and Nrf2 inducers...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344491/effect-of-aster-tataricus-on-production-of-inflammatory-mediators-in-lps-stimulated-rat-astrocytoma-cell-line-c6-and-thp-1-cells
#7
Hong-Tao Zhang, Miao Tian, Qiao-Wei He, Nan Chi, Chun-Ming Xiu, Yun-Bo Wang
Neuroinflammation is the commonest cause of neurodegenerative diseases such as Alzheimer's disease. Present investigation evaluates the inhibitory effect of ethanolic root extract of Aster tataricus (AS) on inflammatory mediators production in lipopolysaccharide (LPS) stimulated C6 cells. C6 cells were treated with AS (20 and 40 mg/kg) and nimesulide (NSL, 1.5 μg/ml) for 1 day. Thereafter various parameters such as production of ROS, release of nitrite, MDA, glutathione level and NF-κB translocation were estimated in C6 cell lines...
March 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28326017/adiponectin-regulates-the-polarization-and-function-of-microglia-via-ppar-%C3%AE-signaling-under-amyloid-%C3%AE-toxicity
#8
Juhyun Song, Seong-Min Choi, Byeong C Kim
Alzheimer's disease (AD), characterized by the abnormal accumulation of amyloid beta (Aβ), is gradually increasing globally. Given that AD is considered a neuroinflammatory disease, recent studies have focused on the cellular mechanisms in brain inflammatory conditions that underlie AD neuropathology. Microglia are macrophage cells in the central nervous system (CNS) that are activated in response to Aβ condition. The function of microglia contributes to the neuroinflammation in AD brain, suggesting that microglia regulate the production of inflammatory mediators and contribute to the regeneration of damaged tissues...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28322157/diabetes-related-neurological-implications-and-pharmacogenomics
#9
Rojas Carranza Camilo Andrés, Bustos Cruz Rosa Helena, Pino Pinzón Carmen Juliana, Ariza Marquez Yeimy Viviana, Gómez Bello Rosa Margarita, Cañadas Garre Marisa
Diabetes mellitus (DM) is the most commonly occurring cause of neuropathy around the world and is beginning to grow in countries where there is a risk of obesity. DM Type II, (T2DM) is a common age-related disease and is a major health concern, particularly in developed countries in Europe where the population is aging. T2DM is a chronic disease which is characterised by hyperglycemia, hyperinsulinemia and insulin resistance, together with the body's inability to use glucose as energy. Such metabolic disorder produces a chronic inflammatory state, as well as changes in lipid metabolism leading to hypertriglyceridemia, thereby producing chronic deterioration of the organs and premature morbidity and mortality...
March 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28320516/l-f001-a-novel-multifunctional-rock-inhibitor-suppresses-neuroinflammation-in-vitro-and-in-vivo-involvement-of-nf-%C3%AE%C2%BAb-inhibition-and-nrf2-pathway-activation
#10
Jingkao Chen, Wei Yin, Yalin Tu, Shengnan Wang, Xiaohong Yang, Qiuhe Chen, Xiao Zhang, Yifan Han, Rongbiao Pi
Microglia and astrocytes are largely responsible for inflammatory injury in the brain of Alzheimer's disease (AD). Increasing evidence has indicated that Rho kinase (ROCK) plays an important role in the regulation of neuroinflammation. Previously, we synthesized a new chemical entity L-F001 and proved its potential inhibitory effects on ROCK and oxidative stress. Here, we investigated the anti-inflammatory effects and the molecular mechanisms of L-F001 in vitro and in vivo. L-F001 remarkably suppressed lipopolysaccharides (LPS)-elevated expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) as well as LPS-induced production of nitric oxide (NO), reactive oxygen species, interleukin-6 (IL-6) and tumor necreactive oxygen speciesis factor-α (TNF-α) in microglial BV-2 cells and in cultured astrocytes...
March 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28292183/n-docosahexaenoyl-dopamine-an-endocannabinoid-like-conjugate-of-dopamine-and-the-n-3-fatty-acid-docosahexaenoic-acid-attenuates-lipopolysaccharide-induced-activation-of-microglia-and-macrophages-via-cox-2
#11
Ya Wang, Pierluigi Plastina, Jean-Paul Vincken, Renate Jansen, Michiel Balvers, Jean Paul Ten Klooster, Harry Gruppen, Renger Witkamp, Jocelijn Meijerink
Several studies indicate that the n-3 long-chain polyunsaturated fatty acid docosahexaenoic acid (DHA) contributes to an attenuated inflammatory status in the development of neurodegenerative disorders, such as Alzheimer's and Parkinson's disease. To explain these effects, different mechanisms are being proposed, including those involving endocannabinoids and related signaling molecules. Many of these compounds belong to the fatty acid amides, conjugates of fatty acids with biogenic amines. Conjugates of DHA with ethanolamine or serotonin have previously been shown to possess anti-inflammatory and potentially neuroprotective properties...
March 15, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28284330/inhibition-of-ages-rage-rho-rock-pathway-suppresses-non-specific-neuroinflammation-by-regulating-bv2-microglial-m1-m2-polarization-through-the-nf-%C3%AE%C2%BAb-pathway
#12
Jingkao Chen, Zhaowei Sun, Minghua Jin, Yalin Tu, Shengnan Wang, Xiaohong Yang, Qiuhe Chen, Xiao Zhang, Yifan Han, Rongbiao Pi
The microglia-mediated neuroinflammation plays an important role in the pathogenesis of Alzheimer's disease (AD). Advanced glycation end products (AGEs)/receptor for advanced glycation end products (RAGE) or Rho/Rho kinase (ROCK) are both involved in the development of non-specific inflammation. However, there are few reports about their effects on neuroinflammation. Here, we explored the mechanism of AGEs/RAGE/Rho/ROCK pathway underlying the non-specific inflammation and microglial polarization in BV2 cells...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28282917/potential-neuroprotective-effects-of-adiponectin-in-alzheimer-s-disease
#13
REVIEW
Roy Chun-Laam Ng, Koon-Ho Chan
The adipocyte-secreted protein adiponectin (APN) has several protective functions in the peripheral tissues including insulin sensitizing, anti-inflammatory and anti-oxidative effects that may benefit neurodegenerative diseases such as Alzheimer's disease (AD). In addition, dysregulation of cerebral insulin sensitivities and signaling activities have been implicated in AD. Emerging insights into the mechanistic roles of adiponectin and AD highlight the potential therapeutic effects for AD through insulin signaling...
March 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28282613/design-synthesis-and-evaluation-of-novel-feruloyl-donepezil-hybrids-as-potential-multitarget-drugs-for-the-treatment-of-alzheimer-s-disease
#14
Kris Simone T Dias, Cynthia T de Paula, Thiago Dos Santos, Isis N O Souza, Marina S Boni, Marcos J R Guimarães, Fernanda M R da Silva, Newton G Castro, Gilda A Neves, Clarice C Veloso, Márcio M Coelho, Ivo Souza F de Melo, Fabiana C V Giusti, Alexandre Giusti-Paiva, Marcelo L da Silva, Laurent E Dardenne, Isabella A Guedes, Letizia Pruccoli, Fabiana Morroni, Andrea Tarozzi, Claudio Viegas
A novel series of feruloyl-donepezil hybrid compounds were designed, synthesized and evaluated as multitarget drug candidates for the treatment of Alzheimer's Disease (AD). In vitro results revealed potent acetylcholinesterase (AChE) inhibitory activity for some of these compounds and all of them showed moderate antioxidant properties. Compounds 12a, 12b and 12c were the most potent AChE inhibitors, highlighting 12a with IC50 = 0.46 μM. In addition, these three most promising compounds exhibited significant in vivo anti-inflammatory activity in the mice paw edema, pleurisy and formalin-induced hyperalgesy models, in vitro metal chelator activity for Cu(2+) and Fe(2+), and neuroprotection of human neuronal cells against oxidative damage...
April 21, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28266714/hepcidin-attenuates-amyloid-beta-induced-inflammatory-and-pro-oxidant-responses-in-astrocytes-and-microglia
#15
Pamela J Urrutia, Etienne C Hirsch, Christian González-Billault, Marco T Núñez
Alzheimer disease (AD) is characterized by extracellular senile plaques, intracellular neurofibrillary tangles, and neuronal death. Aggregated amyloid-β (Aβ) induces inflammation and oxidative stress, which have pivotal roles in the pathogenesis of AD. Hepcidin is a key regulator of systemic iron homeostasis. Recently, an anti-inflammatory response to hepcidin was reported in macrophages. Under the hypothesis that hepcidin mediates anti-inflammatory response in the brain, in this study, we evaluated the putative anti-inflammatory role of hepcidin on Aβ-activated astrocytes and microglia...
March 7, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28217094/in-vivo-evidence-for-therapeutic-properties-of-cannabidiol-cbd-for-alzheimer-s-disease
#16
REVIEW
Georgia Watt, Tim Karl
Alzheimer's disease (AD) is a debilitating neurodegenerative disease that is affecting an increasing number of people. It is characterized by the accumulation of amyloid-β and tau hyperphosphorylation as well as neuroinflammation and oxidative stress. Current AD treatments do not stop or reverse the disease progression, highlighting the need for new, more effective therapeutics. Cannabidiol (CBD) is a non-psychoactive phytocannabinoid that has demonstrated neuroprotective, anti-inflammatory and antioxidant properties in vitro...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28188785/sortilin-related-receptor-1-interacts-with-amyloid-precursor-protein-and-is-activated-by-6-shogaol-leading-to-inhibition-of-the-amyloidogenic-pathway
#17
Ji-Young Na, Kibbeum Song, Ju-Woon Lee, Sokho Kim, Jungkee Kwon
Sortilin-related receptor 1 (SORL1) is a neuronal sorting protein that reduces amyloid precursor protein (APP) trafficking to secretases that generate amyloid beta (Aβ). Although 6-shogaol, a constituent of ginger, has been reported to have anti-inflammatory and anti-oxidant effects on neuronal cells, research regarding the activation of SORL1 has not yet been reported. Here, we aimed to investigate whether 6-shogaol contributes to the increases in SORL1 that are related to Alzheimer's disease (AD). To clarify the effect of 6-shogaol as a possible activator of SORL1, we used SORL1 siRNA as a blockade of SORL1 in hippocampal neuronal cells (HT22)...
February 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28174611/pterostilbene-ameliorates-intracerebroventricular-streptozotocin-induced-memory-decline-in-rats
#18
Bhagyashree Naik, Abhijit Nirwane, Anuradha Majumdar
There is strong evidence that mitochondrial dysfunction mediated oxidative stress results in aging and energy metabolism deficits thus playing a prime role in pathogenesis of Alzheimer's disease, neuronal death and cognitive dysfunction. Evidences accrued in empirical studies suggest the antioxidant, anticancer and anti-inflammatory activities of the phytochemical pterostilbene (PTS). PTS also exhibits favourable pharmacokinetic attributes compared to other stilbenes. Hence, in the present study, we explored the neuroprotective role of PTS in ameliorating the intracerebroventricular administered streptozotocin (STZ) induced memory decline in rats...
February 2017: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/28168765/prediction-of-anti-alzheimer-s-activity-of-flavonoids-targeting-acetylcholinesterase-in-silico
#19
Subrata Das, Monjur A Laskar, Satyajit D Sarker, Manabendra D Choudhury, Prakash Roy Choudhury, Abhijit Mitra, Shajarahtunnur Jamil, Siti Mariam A Lathiff, Siti Awanis Abdullah, Norazah Basar, Lutfun Nahar, Anupam D Talukdar
INTRODUCTION: Prenylated and pyrano-flavonoids of the genus Artocarpus J. R. Forster & G. Forster are well known for their acetylcholinesterase (AChE) inhibitory, anti-cholinergic, anti-inflammatory, anti-microbial, anti-oxidant, anti-proliferative and tyrosinase inhibitory activities. Some of these compounds have also been shown to be effective against Alzheimer's disease. OBJECTIVE: The aim of the in silico study was to establish protocols to predict the most effective flavonoid from prenylated and pyrano-flavonoid classes for AChE inhibition linking to the potential treatment of Alzheimer's disease...
February 7, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28164768/protective-effect-of-aspirin-against-oligomeric-a%C3%AE-42-induced-mitochondrial-alterations-and-neurotoxicity-in-differentiated-ec-p19-neuronal-cells
#20
Hamendra Singh Parmar, Zbynek Houdek, Martin Pesta, Vaclava Cerna, Pavel Dvorak, Jiri Hatina
Amyloid-beta (Aβ) induced mitochondrial dysfunction is one of the major causes of neuronal toxicity in Alzheimer's disease. Many recent reports suggest involvement of mitochondrial alterations through intracellular accumulation of oligomeric Aβ. These mitochondrial alterations include increased reactive oxygen species (ROS), mt-DNA depletion, decreased oxidative phosphorylation and ATP production, membrane depolarization, reduced number of mitochondria etc. These all defects cumulatively caused neural toxicity and alterations in cellular energy homeostasis...
February 2, 2017: Current Alzheimer Research
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