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

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https://www.readbyqxmd.com/read/29136946/neuroprotective-effect-of-hesperetin-and-nano-hesperetin-on-recognition-memory-impairment-and-the-elevated-oxygen-stress-in-rat-model-of-alzheimer-s-disease
#1
Elham Kheradmand, Akbar Hajizadeh Moghaddam, Mahboobeh Zare
Alzheimer disease (AD) is a progressive dementia affecting a large proportion of the aging population. There is evidence that brain tissue in patients with AD is exposed to oxidative stress during the course of the disease. Hesperetin (Hst) is a natural flavonoid, which has been reported to exert various biological activities such as antioxidant and anti-inflammatory effect. The present study aimed to investigate the effects of hesperetin and nano-hesperetin on neurobehavioral activity and superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GRx) and catalase (CAT) enzymes activity, malondialdehyde (MDA) and glutathione (GSH) levels in hippocampal area of rats in an experimental model of AD...
November 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29133030/20-s-protopanaxadiol-ppd-alleviates-scopolamine-induced-memory-impairment-via-regulation-of-cholinergic-and-antioxidant-systems-and-expression-of-egr-1-c-fos-and-c-jun-in-mice
#2
Cong Lu, Liming Dong, Jingwei Lv, Yan Wang, Bei Fan, Fengzhong Wang, Xinmin Liu
20(S)-protopanaxadiol (PPD) possesses various biological properties, including anti-inflammatory, antitumor and anti-fatigue properties. Recent studies found that PPD functioned as a neurotrophic agent to ameliorate the sensory deficit caused by glutamate-induced excitotoxicity through its antioxidant effects and exhibited strong antidepressant-like effects in vivo. The objective of the present study was first to investigate the effect of PPD in scopolamine (SCOP)-induced memory deficit in mice and the potential mechanisms involved...
November 10, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29126988/morinda-officinalis-how-a-comprehensive-review-of-traditional-uses-phytochemistry-and-pharmacology
#3
REVIEW
Jian-Hua Zhang, Hai-Liang Xin, Yue-Ming Xu, Yi Shen, Yu-Qiong He, Hsien-Yeh, Bing Lin, Hong-Tao Song, Juan-Liu, Hai-Yue Yang, Lu-Ping Qin, Qiao-Yan Zhang, Juan Du
ETHNOPHARMACOLOGICAL RELEVANCE: The medicinal plant Morinda officinalisHow. (MO) and its root have long been used in traditional medicines in China and northeast Asia as tonics for nourishing the kidney, strengthening the bone and enhancing immunofunction in the treatment of impotence, osteoporosis, depression and inflammatory diseases such as rheumatoid arthritis and dermatitis. AIM OF THE REVIEW: This review aims to sum up updated and comprehensive information about traditional usage, phytochemistry, pharmacology and toxicology of MO and provide insights intopotential opportunities for future research and development of this plant...
November 7, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29112116/application-of-chitosan-chitooligosaccharide-and-their-derivatives-in-the-treatment-of-alzheimer-s-disease
#4
REVIEW
Qian-Qian Ouyang, Shannon Zhao, Si-Dong Li, Cai Song
Classic hypotheses of Alzheimer's disease (AD) include cholinergic neuron death, acetylcholine (ACh) deficiency, metal ion dynamic equilibrium disorder, and deposition of amyloid and tau. Increased evidence suggests neuroinflammation and oxidative stress may cause AD. However, none of these factors induces AD independently, but they are all associated with the formation of Aβ and tau proteins. Current clinical treatments based on ACh deficiency can only temporarily relieve symptoms, accompanied with many side-effects...
November 7, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29108796/multifunctional-neuroprotective-effect-of-withanone-a-compound-from-withania-somnifera-roots-in-alleviating-cognitive-dysfunction
#5
Anjali Pandey, Sarang Bani, Prabhu Dutt, Naresh Kumar Satti, Krishan Avtar Suri, Ghulam Nabi Qazi
Alzheimer's disease (AD) is a chronic disorder that slowly worsens and impairs the person's memory, learning, reasoning, judgment, communication and familiar tasks with loss of orientation. AD is characterized clinically by cognitive deficit and pathologically by the deposition of β amyloid plaques, neurofibrillary tangles, associated with degeneration of the cholinergic forebrain. Withanone (WS-2), a compound isolated from root extract of Withania somnifera at doses administered orally/day to wistar rats for duration of 21 days showed significant improvement in the cognitive skill by inhibiting amyloid β-42 and attenuated the elevated levels of pro-inflammatory cytokines like TNF alpha, IL-1 beta, IL-6, MCP-1, Nitric oxide, lipid peroxidation and both β- and γ- secretase enzymatic activity...
November 3, 2017: Cytokine
https://www.readbyqxmd.com/read/29102164/soy-isoflavone-genistein-attenuates-lipopolysaccharide-induced-cognitive-impairments-in-the-rat-via-exerting-anti-oxidative-and-anti-inflammatory-effects
#6
Seyed-Mohamad-Sadegh Mirahmadi, Alireza Shahmohammadi, Ali-Mohammad Rousta, Mohammad-Reza Azadi, Javad Fahanik-Babaei, Tourandokht Baluchnejadmojarad, Mehrdad Roghani
Systemic inflammation during infectious disorders usually accompanies chronic complications including cognitive dysfunction. Neuroinflammation and cognitive deficit are also observed in some debilitating neurological disorders like Alzheimer's and Parkinson's diseases. Genistein is a soy isoflavone with multiple beneficial effects including anti-inflammatory, anti-oxidative, and protective properties. In this research study, the effect of genistein in prevention of lipopolysaccharide (LPS)-induced cognitive dysfunction was investigated...
October 25, 2017: Cytokine
https://www.readbyqxmd.com/read/29071234/effects-of-herbal-compound-imod-on-behavior-and-expression-of-alzheimer-s-disease-related-genes-in-streptozotocin-rat-model-of-sporadic-alzheimer-s-disease
#7
Niloofar Bazazzadegan, Marzieh Dehghan Shasaltaneh, Kioomars Saliminejad, Koorosh Kamali, Mehdi Banan, Hamid Reza Khorram Khorshid
Purpose: Sporadic Alzheimer's disease (AD) accounts for over 95% of cases. Possible mechanisms of AD such as inflammation and oxidative stresses in the brain motivate researchers to follow many therapies which would be effective, especially in the early stages of the disease. IMOD, the herbal extract of R. Canina, T. Vulgare and U. Dioica plant species enriched with selenium, has anti-inflammatory, immunoregulatory and protective effects against oxidative stress. Methods: In this study three AD-related genes, DAXX, NFκβ and VEGF, were chosen as candidate to investigate the neuroprotective effect of the extract by comparing their expression levels in the hippocampus of rat model of sporadic AD, using qPCR in the herbal-treated and control groups...
September 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29065557/protective-effects-of-red-ginseng-oil-against-a%C3%AE-25-35-induced-neuronal-apoptosis-and-inflammation-in-pc12-cells
#8
Seonah Lee, Kumju Youn, Woo-Sik Jeong, Chi-Tang Ho, Mira Jun
One of pathological characteristics of Alzheimer's disease (AD), aggregation and deposition of β amyloid (Aβ), has been accepted as a potent activator of neuronal cell death. Red ginseng is well-known for various pharmacological activities, but most studies have been focused on red ginseng water extract (RGW), which has resulted in the conception of the present study of red ginseng oil (RGO) against Aβ25-35-induced neurotoxicity. Cytotoxicity and apoptosis induction by Aβ were verified and the underlying mechanism by which RGO inhibited neuronal cell death, mitochondria dysfunction and NF-κB pathway related protein markers were evaluated...
October 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29052076/-e-2-methoxy-4-3-4-methoxyphenyl-prop-1-en-1-yl-phenol-ameliorates-lps-mediated-memory-impairment-by-inhibition-of-stat3-pathway
#9
Ji Yeon Choi, Chul Ju Hwang, Do Yeon Lee, Sun Mi Gu, Hee Pom Lee, Dong Young Choi, Ki Wan Oh, Sang-Bae Han, Jin Tae Hong
Alzheimer's disease (AD) is pathologically characterized by an excessive accumulation of amyloid-beta (Aβ) fibrils within the brain. We tested the anti-inflammatory and anti-amyloidogenic effects of (E)-2-methoxy-4-(3-(4-methoxyphenyl) prop-1-en-1-yl) phenol (MMPP), a selective signal transducer and activator of transcription 3 (STAT3) inhibitor. We examined whether MMPP (5 mg/kg in drinking water for 1 month) prevents amyloidogenesis and cognitive impairment on AD model mice induced by intraperitoneal LPS (250 μg/kg daily 7 times) injections...
December 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/29038004/flavonoid-rich-ethanol-extract-from-the-leaves-of-diospyros-kaki-attenuates-cognitive-deficits-amyloid-beta-production-oxidative-stress-and-neuroinflammation-in-app-ps1-transgenic-mice
#10
Yingjuan Ma, Bin Ma, Yuying Shang, Qingqing Yin, Yan Hong, Song Xu, Chao Shen, Xunyao Hou, Xueping Liu
Amyloid-β peptide (Aβ) initiates a cascade of pathological events, including activation of microglial cells, oxidative stress, and inflammation, leading to neuronal death and the typical pathological changes in Alzheimer's disease (AD). Flavonoids have been reported to exert neuroprotective activities, not only through their generally accepted antioxidant effects, but also through their ability to protect against neurotoxin-induced injury. Flavonoids reduce Aβ production, inhibit neuroinflammation, increase cerebrovascular function, and improve cognitive performance...
October 13, 2017: Brain Research
https://www.readbyqxmd.com/read/28984087/effects-of-rhei-undulati-rhizoma-on-lipopolysaccharide-induced-neuroinflammation-in-vitro-and-in-vivo
#11
Deok-Sang Hwang, Pil Sung Gu, Namkwon Kim, Young Pyo Jang, Myung Sook Oh
Neuroinflammation plays a critical role in the pathogenesis of degenerative brain diseases such as Alzheimer's disease and Parkinson's disease. Microglia are the major components of the brain immune system that regulate inflammatory processes. Activated microglia release pro-inflammatory factors and cytokines, resulting in neuronal cell death. We focused on inhibiting the activation of microglia from a stimulus as a strategy to search for neuroprotective drugs. Rhei Undulati Rhizoma (RUR) is traditionally used to treat various inflammatory disorders...
October 6, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28979206/cellular-pharmacological-effects-of-the-traditional-japanese-kampo-medicine-yokukansan-on-brain-cells
#12
REVIEW
Kazushige Mizoguchi, Yasushi Ikarashi
Yokukansan (YKS) is a traditional Japanese Kampo medicine currently used for the treatment of the behavioral psychological symptoms associated with dementia (BPSD), which is frequently problematic in neurodegenerative disorders such as Alzheimer's disease. Regarding the pharmacological mechanisms underlying its efficacy, we recently reviewed the multiple effects of YKS on the neurotransmitter systems (e.g., glutamatergic, serotonergic, dopaminergic, cholinergic, GABAergic, and adrenergic neurotransmission) in various brain regions that are related to the psychological, emotional, cognitive, or memory functions...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28977782/edaravone-attenuates-the-proinflammatory-response-in-amyloid-%C3%AE-treated-microglia-by-inhibiting-nlrp3-inflammasome-mediated-il-1%C3%AE-secretion
#13
Hong-Mei Wang, Ting Zhang, Jian-Kang Huang, Jing-Yan Xiang, Jing-Jiong Chen, Jian-Liang Fu, Yu-Wu Zhao
BACKGROUND/AIMS: Microglial activation is an important pathological feature in the brains of patients with Alzheimer's disease (AD), and amyloid-β (Aβ) peptides play a crucial role in microglial activation. In addition, edaravone (EDA) was recently shown to suppress oxidative stress and proinflammatory cytokine production in APPswePS1dE9 (APP/PS1) mice. However, the mechanism by which EDA inhibits the Aβ-induced proinflammatory response in microglia is poorly understood. METHODS: The mitochondrial membrane potential (∆ψm) was evaluated using JC-1 staining...
October 5, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28950995/the-attenuating-effects-of-plumbagin-on-pro-inflammatory-cytokine-expression-in-lps-activated-bv-2-microglial-cells
#14
Samia S Messeha, Najla O Zarmouh, Patricia Mendonca, Malak G Kolta, Karam F A Soliman
Activated microglial cells produce the pro-inflammatory mediators such as nitric oxide (NO) and cytokines. The excessive release of these mediators can lead to neurodegenerative diseases, such as Alzheimer's disease (AD) and Parkinson's disease (PD). Inhibition of the release of these pro-inflammatory molecules may prevent or halt the progression of these diseases. Plumbagin (PL), a naphthoquinone compound in the roots of the traditional medicinal plant Plumbago zeylanica L., showed anti-inflammatory effects on macrophages...
September 20, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28930620/effects-and-mechanisms-of-actions-of-phytochemicals-on-alzheimer-s-disease-neuropathology
#15
Richard E Hartman, David M Ross
Alzheimer's disease affects millions of people, yet, there are only a limited number approaches for it pharmacological treatment. Thus, identifying factors that decrease the risk of developing Alzheimer's disease is of paramount importance. A growing body of epidemiological and experimental evidence suggests that dietary fruits and vegetables have neuroprotective effects against the harmful effects of oxidative stress, neuroinflammation, and aging. These effects are mediated by various phytochemical compounds found in plants that exhibit antioxidant, anti-inflammatory, and other beneficial properties...
January 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28868116/bio-effectiveness-of-the-main-flavonoids-of-achillea-millefolium-in-the-pathophysiology-of-neurodegenerative-disorders-a-review
#16
REVIEW
Fatemeh Ayoobi, Ali Shamsizadeh, Iman Fatemi, Alireza Vakilian, Mohammad Allahtavakoli, Gholamhossein Hassanshahi, Amir Moghadam-Ahmadi
The Achillea millefolium L. (Yarrow) is a common herb which is widely being used, worldwide. Achillea is being used for treatment of many disorders since centuries. It is considered safe for supplemental use and flavonoids such as kaempferol, luteolin and apigenin are of main constituents present in Achillea. Most of both antioxidant and anti-inflammatory properties of this herb have been attributed to its flavonoid content. Oxidative and inflammatory processes play important roles in pathogenesis of neurodegenerative diseases...
June 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28854504/the-natural-product-curcumin-as-a-potential-coadjuvant-in-alzheimer-s-treatment
#17
Inelia Morales, Cristóbal Cerda-Troncoso, Víctor Andrade, Ricardo B Maccioni
Alzheimer's disease (AD) is a neurodegenerative disease characterized by a progressive cognitive impairment of patients, affecting around 12% of people older than 65 years old. WHO estimated that over 48.6 million all over the world suffer this disease. On the basis of cumulative results on our research, we have postulated the neuroimmunomodulation hypothesis that appears to provide a reasonable explanation of both the preclinical and clinical observations. In this context, the long-term activation of the innate immune system triggers an anomalous cascade of molecular signals, finally leading to tau oligomerization in the pathway to neuronal degeneration...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28841989/assessment-of-anti-inflammatory-properties-of-extracts-from-honeysuckle-lonicera-sp-l-caprifoliaceae-by-atr-ftir-spectroscopy
#18
R Nikzad-Langerodi, S Ortmann, E M Pferschy-Wenzig, V Bochkov, Y M Zhao, J H Miao, J Saukel, A Ladurner, E H Heiss, V M Dirsch, R Bauer, A G Atanasov
Inflammation is a hallmark of some of today's most life-threatening diseases such as arteriosclerosis, cancer, diabetes and Alzheimer's disease. Herbal medicines (HMs) are re-emerging resources in the fight against these conditions and for many of them, anti-inflammatory activity has been demonstrated. However, several aspects of HMs such as their multi-component character, natural variability and pharmacodynamic interactions (e.g. synergism) hamper identification of their bioactive constituents and thus the development of appropriate quality control (QC) workflows...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28828994/computational-chemistry-study-of-natural-alkaloids-and-homemade-databank-to-predict-inhibitory-potential-against-key-enzymes-in-neurodegenerative-diseases
#19
Vitor Prates Lorenzo, Mateus Feitosa Alves, Luciana Scotti, Socrates Golzio Dos Santos, Margareth de Fatima Formiga Melo Diniz, Marcus Tullius Scotti
Cissampelos sympodialis Eichl is used in folk medicine for the treatment of various inflammatory diseases; several alkaloids have been isolated from this species and some of them have anti-allergic, immunomodulatory and spasmolytic activities. Treatment of rats with the total tertiary alkaloid fraction showed an antidepressant effect. One of the depression causes can be the deficiency of monoamines, which is a factor displayed in patients with Alzheimer's disease. Theoretical studies using in silico methods have aided in the process of drug discovery...
2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28812474/protective-effect-of-raisin-currant-against-spatial-memory-impairment-and-oxidative-stress-in-alzheimer-disease-model
#20
Mohammad Gol, Davoud Ghorbanian, Nabiollah Soltanpour, Jamshid Faraji, Mohsen Pourghasem
OBJECTIVES: Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive pathological changes of the brain. A number of studies demonstrated compelling evidence of the importance of oxidative processes in AD pathogenesis. Raisin contains polyphenol, phenolic acid, and tannin compounds, which have antioxidant and anti-inflammatory properties. The present study was aimed to evaluate the protective effect of raisin on neurobehavioral and histological changes in rats with Alzheimer...
August 16, 2017: Nutritional Neuroscience
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