Read by QxMD icon Read

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

Vahid Reza Askari, Narges Fereydouni, Vafa Baradaran Rahimi, Nafiseh Askari, Amir Hossein Sahebkar, Pouria Rahmanian-Devin, Alireza Samzadeh-Kermani
BACKGROUND: Inflammation is a primary response to infection that can pathologically lead to various diseases including neurodegenerative diseases. The purpose of this study was to evaluate the effect of β-Amyrin, a naturally occurring pentacyclic triterpenoid compound, on inflammation induced by lipopolysaccharide (LPS) and interferone-γ (IFN-γ) in rat microglial cells. MATERIALS AND METHODS: Cytotoxicity of β-Amyrin (3-100) μM on microglial cells was evaluated using the MTT assay...
March 1, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Marthandam Asokan Shibu, M Ravichandran, M Shanmugavadivu, Bharath Kumar Velmurugan
This article recapitulates the existing in vitro and in vivo studies focusing on the effects of neferine-an alkaloid derivative of lotus plant, in various disease models and its effects on key signaling molecules. The review also compiles a large number of research studies that demonstrate methods for isolation and extraction, biosynthetic pathway, pharmacological activity and mode of action of neferine and their underlying mechanisms at cellular level. Neferine is a unique bis-benzylisoquinoline alkaloid that possesses a number of therapeutic effects such as anti-cancer, anti-diabetic, anti-aging, anti-microbial, anti-thrombotic, anti-arrhythmic, anti-inflammatory and even anti-HIV...
February 27, 2018: Life Sciences
Marco Cascella, Sabrina Bimonte, Antonio Barbieri, Vitale Del Vecchio, Maria Rosaria Muzio, Andrea Vitale, Giulio Benincasa, Anna Bella Ferriello, Amalia Azzariti, Claudio Arra, Arturo Cuomo
Several nutraceuticals have been investigated for preventing or retarding the progression of different neurodegenerative diseases, including Alzheimer's disease (AD). Because Nigella sativa (NS) and its isolated compound thymoquinone (TQ) have significant anti-oxidant and anti-inflammatory proprieties, they could represent effective neuroprotective agents. The purpose of this manuscript is to analyze and to recapitulate the results of in vitro and in vivo studies on the potential role of NS/TQ in AD's prevention and treatment...
2018: Frontiers in Aging Neuroscience
Namkwon Kim, Hyung-Seok Yoo, Yeon-Joo Ju, Myung Sook Oh, Kyung-Tae Lee, Kyung-Soo Inn, Nam-Jung Kim, Jong Kil Lee
Neuroinflammation is an immune response within the central nervous system against various proinflammatory stimuli. Abnormal activation of this response contributes to neurodegenerative diseases such as Parkinson disease, Alzheimer's disease, and Huntington disease. Therefore, pharmacologic modulation of abnormal neuroinflammation is thought to be a promising approach to amelioration of neurodegenerative diseases. In this study, we evaluated the synthetic flavone derivative 3',4'-dihydroxyflavone, investigating its anti-neuroinflammatory activity in BV2 microglial cells and in a mouse model...
March 1, 2018: Biomolecules & Therapeutics
Emilia Tze Ying Yeo, Kelly Wang Ling Wong, Mun Ling See, Ka Yan Wong, Sook Yee Gan, Elaine Wan Ling Chan
ETHNOPHARMACOLOGICAL RELEVANCE: Piper sarmentosum Roxb. (PS), belonging to Piperaceae family, is an edible plant with medicinal properties. It is traditionally used by the Malays to treat headache and boost memory. Pharmacological studies revealed that PS exhibits anti-inflammatory, anti-oxidant, anti-acetylcholinesterase, and anti-depressant-like effects. In view of this, the present study aimed to investigate the anti-inflammatory actions of PS and its potential neuroprotective effects against beta-amyloid (Aβ)-induced microglia-mediated neurotoxicity...
February 17, 2018: Journal of Ethnopharmacology
Ning Meng, Hua Tang, Hao Zhang, Chengshi Jiang, Li Su, Xiao Min, Wannian Zhang, Hua Zhang, Zhenyuan Miao, Wen Zhang, Chunlin Zhuang
Small-molecule inhibitors that block the Keap1-Nrf2 protein-protein interactions are being intensely pursued as a new therapeutic strategy for oxidative stress-related diseases, such as cancer, diabetes, Alzheimer's disease, arteriosclerosis, inflammation and myocarditis. However, there are not enough studies on antioxidant treatments using small molecules in myocarditis. We herein provided a series of novel hydronaphthoquinones as the Keap1-Nrf2 interaction inhibitors targeting LPS-induced myocarditis both in vitro and in vivo...
February 8, 2018: Free Radical Biology & Medicine
Siddhartha S Ghosh, Hongliang He, Jing Wang, Todd W Gehr, Shobha Ghosh
Curcumin has anti-inflammatory, anti-oxidant and anti-proliferative properties established largely by in vitro studies. Accordingly, oral administration of curcumin beneficially modulates many diseases including diabetes, fatty-liver disease, atherosclerosis, arthritis, cancer and neurological disorders such as depression, Alzheimer's or Parkinson's disease. However, limited bioavailability and inability to detect curcumin in circulation or target tissues has hindered the validation of a causal role. We established curcumin-mediated decrease in the release of gut bacteria-derived lipopolysaccharide (LPS) into circulation by maintaining the integrity of the intestinal barrier function as the mechanism underlying the attenuation of metabolic diseases (diabetes, atherosclerosis, kidney disease) by curcumin supplementation precluding the need for curcumin absorption...
January 8, 2018: Tissue Barriers
Naw Hser Gay, Kamonrat Phopin, Wilasinee Suwanjang, Napat Songtawee, Waralee Ruankham, Prapimpun Wongchitrat, Supaluk Prachayasittikul, Virapong Prachayasittikul
An increase in oxidative stress is a key factor responsible for neurotoxicity induction and cell death leading to neurodegenerative diseases including Parkinson's and Alzheimer's diseases. Plant phenolics exert diverse bioactivities i.e., antioxidant, anti-inflammatory, and neuroprotective effects. Herein, phenolic compounds, namely protocatechuic aldehyde (PCA) constituents of Hydnophytum formicarum Jack. including vanillic acid (VA) and trans-ferulic acid (FA) found in Spilanthes acmella Murr., were explored for anti-neurodegenerative properties using an in vitro model of oxidative stress-induced neuroblastoma SH-SY5Y cells...
February 7, 2018: Neurochemical Research
Sunil K Ravi, Balenahalli Narasingappa Ramesh, Ravi Mundugaru, Bruno Vincent
Alzheimer's disease (AD) is the most common form of dementia and mainly affects cognitive function of the aged populations. Aluminium, a neurotoxic metal, has been suggested as a contributing factor of AD. Caesalpinia crista is a medicinal plant known for its anti-microbial, anti-inflammatory and anti-oxidant properties. The present study was conducted in order to evaluate the neuroprotective effects of methanolic extracts of C. crista (MECC) on aluminium-induced neurodegeneration in rats. Co-administration with MECC significantly and dose dependently ameliorated the aluminium-dependent cognitive impairment, AChE hyperactivity and oxidative stress in the hippocampus and in the frontal cortex of rat brain...
January 31, 2018: Environmental Toxicology and Pharmacology
Dan Gao, Sanhui Jing, Qian Zhang, Ge Wu
Previous studies have demonstrated that pterostilbene (Pter) prevents oxidative stress, suppresses cell growth and exhibits anti-fungal and anti-inflammatory effects. Pter is used to treat a number of clinical diseases, including Alzheimer's disease, various malignancies and hypercholesteremia. The aim of the present study was to investigate whether Pter protects against acute renal ischemia reperfusion injury (IRI) and inhibits oxidative stress, inducible nitric oxide synthase (iNOS) expression and inflammation in rats...
January 2018: Experimental and Therapeutic Medicine
Kang Pa Lee, Nan Hee Choi, Hyun-Soo Kim, Sanghyun Ahn, In-Sik Park, Dea Won Lee
BACKGROUND/OBJECTIVES: One of the mechanisms considered to be prevalent in the development of Alzheimer's disease (AD) is hyper-stimulation of microglia. Black chokeberry (Aronia melanocapa L.) is widely used to treat diabetes and atherosclerosis, and is known to exert anti-oxidant and anti-inflammatory effects; however, its neuroprotective effects have not been elucidated thus far. MATERIALS/METHODS: We undertook to assess the anti-inflammatory effect of the ethanolic extract of black chokeberry friut (BCE) in BV2 cells, and evaluate its neuroprotective effect in the lipopolysaccharide (LPS)-induced mouse model of AD...
February 2018: Nutrition Research and Practice
Quan Feng Liu, Youngjae Jeon, Yung-Wei Sung, Jang Ho Lee, Haemin Jeong, Young-Mi Kim, Hye Sup Yun, Young-Won Chin, Songhee Jeon, Kyoung Sang Cho, Byung-Soo Koo
The Nardostachys jatamansi DC (NJ) root has been used as a sedative or analgesic to treat neurological symptoms and pain in traditional Korean medicine. Here, we investigate the potential effects of NJ on Alzheimer's disease (AD) and reveal the molecular mechanism through which NJ exerts its effects. The neuroprotective effect of the NJ root ethanol extract against β amyloid (Aβ) toxicity was examined in vitro using a cell culture system and in vivo using a Drosophila AD model. The NJ extract and chlorogenic acid, a major component of NJ, inhibited Aβ-induced cell death in SH-SY5Y cells...
February 3, 2018: Biological & Pharmaceutical Bulletin
Tugce Dalli, Merve Beker, Sule Terzioglu-Usak, Fahri Akbas, Birsen Elibol
Streptozotocin (STZ), a glucosamine-nitrosourea compound, produces deficiencies in learning, memory, and cognitive functions when it was administered intracerebroventricularly (i.c.v). In molecular level, increase in neuroinflammation and oxidative stress in brain, and decrease in the number of surviving neurons are the outcomes of STZ administration. Herein, we aimed to investigate the effect of thymoquinone (TQ), an anti-inflammatory, immunomodulatory and neuroprotective agent, on STZ-induced neurodegeneration in rats...
January 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Nofar Torika, Keren Asraf, Ron N Apte, Sigal Fleisher-Berkovich
AIMS: Alzheimer's disease (AD) pathology is associated with brain inflammation involving microglia and astrocytes. The renin-angiotensin system contributes to brain inflammation associated with AD pathology. This study aimed to investigate the role of candesartan, an angiotensin II type 1 receptor blocker, in modulation of glial functions associated with AD. METHODS: Focusing on the role of candesartan in glial inflammation, we evaluated inflammatory mediators' levels, secreted by lipopolysaccharide-induced microglia following candesartan treatment...
January 24, 2018: CNS Neuroscience & Therapeutics
Chol Seung Lim, Jung-Soo Han
Activity of neprilysin (NEP), the major protease which cleaves β-amyloid (Aβ), is reportedly reduced in the brains of patients with Alzheimer's disease (AD). Accumulation of Aβ generates reactive oxygen species (ROS) such as 4-hydroxy nonenal (HNE), and then reduces activities of Aβ-degrading enzymes including NEP. Xanthorrhizol (Xan), a natural sesquiterpenoid, has been reported to possess anti-oxidant and anti-inflammatory properties. The present study examined the effects of Xan on HNE- or oligomeric Aβ42-induced oxidative modification of NEP protein...
January 12, 2018: Bioscience Reports
Qisen Li, Jiacheng Zeng, Meiling Su, Yu He, Banghao Zhu
Zicao acts as a pleiotropic medicine in various diseases due to its particular pharmacological properties, including anti-inflammatory, anti-tumor, anti-oxidative, and wound healing effects. However, few studies have focused on the function in neurodegenerative diseases of Zicao. In this study, we investigated the neuroprotective effect of Acetylshikonin (AS) from Zicao on the hippocampus of the d-galactose (d-gal)-induced sub-acute aging mouse model of Alzheimer's disease (AD). The aging model was established in male Kunming mice by subcutaneous injection of d-gal (150 mg/kg/d) for 60 days, and the mice were given AS (270, 540 and 1080 mg/kg/d) or distilled water intragastrically for 30 days after 30 days of d-gal injection...
January 9, 2018: Brain Research Bulletin
Somaye Heidari, Soghra Mehri, Hossein Hosseinzadeh
Objectives: The neurodegeneration and loss of memory function are common consequences of aging. Medicinal plants have potent protective effects against chronic neurodegenerative diseases. The aim of this study was to investigate the beneficial effects and molecular mechanisms of crocin on brain function in D-galactose (D-gal)-induced aging model in rats. Materials and Methods: Male Wistar rats weighing 220 ± 20 g were randomly divided into six groups: control, D-gal (400 mg/kg, SC), D-gal (400 mg/kg) plus crocin (7...
November 2017: Iranian Journal of Basic Medical Sciences
Sun Young Park, Min Hyun Choi, Geuntae Park, Young-Whan Choi
Abnormal neuroinflammatory responses have diverse roles in neuronal death, oxidative stress and neurodegenerative diseases, such as Alzheimer's and Parkinson's disease. Microglia regulate these responses via molecular signaling cascades that involve inflammatory cytokines and complement proteins. Bakkenolide B from Petasites japonicus exhibits significant anti‑inflammatory and anti‑allergic bioactivities. The present study investigated the anti‑neuroinflammatory effects and underlying molecular mechanisms of bakkenolide B on the lipopolysaccharide (LPS)‑mediated neuroinflammatory response in microglia...
December 28, 2017: International Journal of Molecular Medicine
Francisca Cornejo, Marianne Vruwink, Claudia Metz, Paola Muñoz, Nicole Salgado, Joaquín Poblete, María Estela Andrés, Jaime Eugenín, Rommy von Bernhardi
Late onset Alzheimer disease's (LOAD) main risk factor is aging. Although it is not well known which age-related factors are involved in its development, evidence points out to the involvement of an impaired amyloid-β (Aβ) clearance in the aged brain among possible causes. Glial cells are the main scavengers of the brain, where Scavenger Receptor class A (SR-A) emerges as a relevant player in AD because of its participation in Aβ uptake and in the modulation of glial cell inflammatory response. Here, we show that SR-A expression is reduced in the hippocampus of aged animals and APP/PS1 mice...
December 12, 2017: Brain, Behavior, and Immunity
Lei Song, Xiaoping Li, Xiao-Xue Bai, Jian Gao, Chun-Yan Wang
The major pathological changes in Alzheimer's disease are beta amyloid deposits and cognitive impairment. Calycosin is a typical phytoestrogen derived from radix astragali that binds to estrogen receptors to produce estrogen-like effects. Radix astragali Calycosin has been shown to relieve cognitive impairment induced by diabetes mellitus, suggesting calycosin may improve the cognitive function of Alzheimer's disease patients. The protein kinase C pathway is upstream of the mitogen-activated protein kinase pathway and exerts a neuroprotective effect by regulating Alzheimer's disease-related beta amyloid degradation...
November 2017: Neural Regeneration Research
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"