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

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https://www.readbyqxmd.com/read/29782798/regulatory-activities-of-dopamine-and-its-derivatives-towards-metal-free-and-metal-induced-amyloid-%C3%AE-aggregation-oxidative-stress-and-inflammation-in-alzheimer-s-disease
#1
Eunju Nam, Jeffrey S Derrick, Seunghee Lee, Juhye Kang, Jiyeon Han, Shin Jung C Lee, Su Wol Chung, Mi Hee Lim
A catecholamine neurotransmitter, dopamine (DA), is suggested to be linked to the pathology of dementia; however, the involvement of DA and its structural analogues in the pathogenesis of Alzheimer's disease (AD), the most common form of dementia, composed of multiple pathogenic factors has not been clear. Herein, we report that DA and its rationally designed structural derivatives (1-6) based on DA's oxidative transformation are able to modulate multiple pathological elements found in AD [ i.e., metal ions, metal-free amyloid-β (Aβ), metal-bound Aβ (metal-Aβ), and reactive oxygen species (ROS)], with demonstration of detailed molecular-level mechanisms...
May 21, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29779175/anthocyanins-improve-hippocampus-dependent-memory-function-and-prevent-neurodegeneration-via-jnk-akt-gsk3%C3%AE-signaling-in-lps-treated-adult-mice
#2
Muhammad Sohail Khan, Tahir Ali, Min Woo Kim, Myeung Hoon Jo, Jong Il Chung, Myeong Ok Kim
Microglia plays a critical role in the brain and protects neuronal cells from toxins. However, over-activation of microglia leads to deleterious effects. Lipopolysaccharide (LPS) has been reported to affect neuronal cells via activation of microglia as well as directly to initiate neuroinflammation. In the present study, we evaluated the anti-inflammatory and anti-oxidative effect of anthocyanins against LPS-induced neurotoxicity in an animal model and in cell cultures. Intraperitoneal injections of LPS (250 μg/kg/day for 1 week) induce ROS production and promote neuroinflammation and neurodegeneration which ultimately leads to memory impairment...
May 19, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29759145/thymoquinone-increases-the-expression-of-neuroprotective-proteins-while-decreasing-the-expression-of-pro-inflammatory-cytokines-and-the-gene-expression-nf%C3%AE%C2%BAb-pathway-signaling-targets-in-lps-ifn%C3%AE-activated-bv-2-microglia-cells
#3
Makini K Cobourne-Duval, Equar Taka, Patricia Mendonca, Karam F A Soliman
Neuroinflammation and microglial activation are pathological markers of a number of central nervous system (CNS) diseases. Chronic activation of microglia induces the release of excessive amounts of reactive oxygen species (ROS) and pro-inflammatory cytokines. Additionally, chronic microglial activation has been implicated in several neurodegenerative diseases, including Alzheimer's disease and Parkinson's disease. Thymoquinone (TQ) has been identified as one of the major active components of the natural product Nigella sativa seed oil...
July 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29758264/anti-il17-treatment-ameliorates-down-syndrome-phenotypes-in-mice
#4
Noemí Rueda, Verónica Vidal, Susana García-Cerro, Josep Oriol Narcís, María Llorens-Martín, Andrea Corrales, Sara Lantigua, Marcos Iglesias, Jesús Merino, Ramón Merino, Carmen Martínez-Cué
Down syndrome (DS) is characterized by structural and functional anomalies that are present prenatally and that lead to intellectual disabilities. Later in life, the cognitive abilities of DS individuals progressively deteriorate due to the development of Alzheimer's disease (AD)-associated neuropathology (i.e., β-amyloid (Aβ) plaques, neurofibrillary tangles (NFTs), neurodegeneration, synaptic pathology, neuroinflammation and increased oxidative stress). Increasing evidence has shown that among these pathological processes, neuroinflammation plays a predominant role in AD etiopathology...
May 11, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29755356/anti-parkinson-potential-of-silymarin-mechanistic-insight-and-therapeutic-standing
#5
REVIEW
Hammad Ullah, Haroon Khan
Parkinson's disease (PD) involves aggregation of α-synuclein and progressive loss of dopaminergic neurons. Pathogenesis of PD may also be related to one's genetic background. PD is most common among geriatric population and approximately 1-2% of population suffers over age 65 years. Currently no successful therapies are in practice for the management of PD and available therapies tend to decrease the symptoms of PD only. Furthermore, these are associated with diverse range of adverse effects profile. The neuroprotective effects of polyphenols are widely studied and documented...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29755345/analogous-%C3%AE-carboline-alkaloids-harmaline-and-harmine-ameliorate-scopolamine-induced-cognition-dysfunction-by-attenuating-acetylcholinesterase-activity-oxidative-stress-and-inflammation-in-mice
#6
Shu-Ping Li, Yu-Wen Wang, Sheng-Lan Qi, Yun-Peng Zhang, Gang Deng, Wen-Zheng Ding, Chao Ma, Qi-Yan Lin, Hui-Da Guan, Wei Liu, Xue-Mei Cheng, Chang-Hong Wang
The analogous β-carboline alkaloids, harmaline (HAL) and harmine (HAR), possess a variety of biological properties, including acetylcholinesterase (AChE) inhibitory activity, antioxidant, anti-inflammatory, and many others, and have great potential for treating Alzheimer's disease (AD). However, studies have showed that the two compounds have similar structures and in vitro AChE inhibitory activities but with significant difference in bioavailability. The objective of this study was to comparatively investigate the effects of HAL and HAR in memory deficits of scopolamine-induced mice...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29755324/effect-of-chronic-oxidative-stress-on-neuroinflammatory-response-mediated-by-cd4-t-cells-in-neurodegenerative-diseases
#7
REVIEW
Helena Solleiro-Villavicencio, Selva Rivas-Arancibia
In a state of oxidative stress, there is an increase of reactive species, which induce an altered intracellular signaling, leading to dysregulation of the inflammatory response. The inability of the antioxidant defense systems to modulate the proinflammatory response is key to the onset and progression of neurodegenerative diseases. The aim of this work is to review the effect of the state of oxidative stress on the loss of regulation of the inflammatory response on the microglia and astrocytes, the induction of different CD4+ T cell populations in neuroinflammation, as well as its role in some neurodegenerative diseases...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29740000/ameliorative-potential-of-desalted-salicornia-europaea-l-extract-in-multifaceted-alzheimer-s-like-scopolamine-induced-amnesic-mice-model
#8
Govindarajan Karthivashan, Shin-Young Park, Mee-Hyang Kweon, Joonsoo Kim, Md Ezazul Haque, Duk-Yeon Cho, In-Su Kim, Eun-Ah Cho, Palanivel Ganesan, Dong-Kug Choi
The Salicornia europaea L. (SE) plant is a halophyte that has been widely consumed as a seasoned vegetable, and it has been recently reported to counteract chronic diseases related to oxidative and inflammatory stress. In this study, we performed an initial phytochemical analysis with in vitro biochemical tests and chromatographic profiling of desalted and enzyme-digested SE ethanol extract (SE-EE). Subsequently, we evaluated the anti-neuroinflammatory and ameliorative potential of SE-EE in LPS-inflicted BV-2 microglial cells and scopolamine-induced amnesic C57/BL6N mice, respectively...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29734791/the-biological-activities-of-oleocanthal-from-a-molecular-perspective
#9
REVIEW
Kok-Lun Pang, Kok-Yong Chin
Oleocanthal is a minor constituent of olive oil with strong anti-inflammatory activities. Since the pathogenesis of many chronic diseases involves inflammatory and oxidative components, oleocanthal is a promising agent to prevent these conditions. This review aimed to summarise the current beneficial health effects of oleocanthal and the molecular basis of its biological actions. The anti-inflammatory, antioxidative, antimicrobial, anticancer and neuroprotective activities of oleocanthal have been examined by previous studies...
May 6, 2018: Nutrients
https://www.readbyqxmd.com/read/29732971/upregulation-of-suppressor-of-cytokine-signaling-3-in-microglia-by-cinnamic-acid
#10
Sudipta Chakrabarti, Malabendu Jana, Avik Roy, Kalipada Pahan
Neuroinflammation plays an important role in the pathogenesis of various neurodegenerative diseases including Alzheimer's disease (AD). Suppressor of cytokine signaling 3 (SOCS3) is an anti-inflammatory molecule that suppresses cytokine signaling and inflammatory gene expression in different cells including microglia. However, pathways through which SOCS3 could be upregulated are poorly described. Cinnamic acid is a metabolite of cinnamon, a natural compound that is being widely used all over the world as a spice or flavoring agent...
May 6, 2018: Current Alzheimer Research
https://www.readbyqxmd.com/read/29710809/anti-oxidant-and-anti-inflammatory-activity-of-ketogenic-diet-new-perspectives-for-neuroprotection-in-alzheimer-s-disease
#11
REVIEW
Alessandro Pinto, Alessio Bonucci, Elisa Maggi, Mariangela Corsi, Rita Businaro
The ketogenic diet, originally developed for the treatment of epilepsy in non-responder children, is spreading to be used in the treatment of many diseases, including Alzheimer’s disease. The main activity of the ketogenic diet has been related to improved mitochondrial function and decreased oxidative stress. B-Hydroxybutyrate, the most studied ketone body, has been shown to reduce the production of reactive oxygen species (ROS), improving mitochondrial respiration: it stimulates the cellular endogenous antioxidant system with the activation of nuclear factor erythroid-derived 2-related factor 2 (Nrf2), it modulates the ratio between the oxidized and reduced forms of nicotinamide adenine dinucleotide (NAD⁺/NADH) and it increases the efficiency of electron transport chain through the expression of uncoupling proteins...
April 28, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29710724/moringa-oleifera-alleviates-homocysteine-induced-alzheimer-s-disease-like-pathology-and-cognitive-impairments
#12
Yacoubou Abdoul Razak Mahaman, Fang Huang, Mengjuan Wu, Yuman Wang, Zhen Wei, Jian Bao, Maibouge Tanko Mahamane Salissou, Dan Ke, Qun Wang, Rong Liu, Jian-Zhi Wang, Bin Zhang, Dan Chen, Xiaochuan Wang
Alzheimer's disease (AD) is multifactorial with unclear etiopathology. Due to the complexity of AD, many attempted single therapy treatments, like Aβ immunization, have generally failed. Therefore, there is a need for drugs with multiple benefits. Naturally occurring phytochemicals with neuroprotective, anti-amyloidogenic, antioxidative, and anti-inflammatory properties could be a possible way out. In this study, the effect of Moringa oleifera (MO), a naturally occurring plant with high antioxidative, anti-inflammatory, and neuroprotective effects, was evaluated on hyperhomocysteinemia (HHcy) induced AD-like pathology in rats...
April 28, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29710552/bergenia-ciliata-ameliorates-streptozotocin-induced-spatial-memory-deficits-through-dual-cholinesterase-inhibition-and-attenuation-of-oxidative-stress-in-rats
#13
Priyal Barai, Nisith Raval, Sanjeev Acharya, Niyati Acharya
Bergenia ciliata (Haw.) Sternb. rhizomes, family Saxifragaceae, are claimed to possess an array of beneficial effects like antioxidant, anti-inflammatory, immunomodulatory, antibacterial and anticancer activities. The plant has also been reported to be used by Nepalese folk to alleviate symptoms related to Parkinson's disease. Oxidative stress is one of the major reasons for cognitive decline observed in sporadic Alzheimer's disease (AD). Bergenia ciliata rhizomes have depicted potent antioxidant properties, but their role in the treatment of Alzheimer's disease is yet unexplored...
April 2, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29701146/role-of-melatonin-in-the-inflammatory-process-and-its-therapeutic-potential
#14
Livia Carrascal, Pedro Nunez-Abades, Antonio Ayala, Mercedes Cano
Melatonin is an indolamine synthesized and secreted by the pineal gland along with other sources including immune system cells, the brain, skin and the gastrointestinal tract. Growing interest in this compound as a potential therapeutic agent in several diseases stems from its pleiotropic effects. Thus, melatonin plays a key role in various physiological activities that include regulation of circadian rhythms, immune responses, the oxidative process, apoptosis or mitochondrial homeostasis. Most of these processes are altered during inflammatory pathologies, among which neurodegenerative and bowel diseases stand out...
April 25, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29697965/thiazolyl-thiadiazines-as-bace-1-inhibitors-and-anti-inflammatory-agents-multitarget-directed-ligands-for-the-efficient-management-of-alzheimer-s-disease
#15
Sneha Sagar, Devendra Pratap Singh, Nirupa B Panchal, Rajesh D Das, Dhaivat H Pandya, Vasudevan Sudarsanam, Manish Nivsarkar, Kamala K Vasu
Alzheimer's disease (AD) is associated with multiple neuropathological events including BACE-1 inhibition and neuronal inflammation, ensuing degeneracy and death to neuronal cells. Targeting such a complex disease via a single target directed treatment was found to be inefficacious. Hence, with an intention to incorporate multiple therapeutic effects within a single molecule; multitarget-directed ligands (MTDLs) have been evolved. Herein, for the first time we report the discovery of novel thiazolyl-thiadiazines which can serve as MTDLs as evident from the in vitro and in vivo studies...
April 26, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29687202/attenuation-of-aluminum-chloride-induced-neuroinflammation-and-caspase-activation-through-the-akt-gsk-3%C3%AE-pathway-by-hesperidin-in-wistar-rats
#16
Arokiasamy Justin-Thenmozhi, Mathiyazahan Dhivya Bharathi, Ramaraj Kiruthika, Thamilarasan Manivasagam, Anupom Borah, Musthafa Mohamed Essa
Hesperidin, a flavanoglycone abundantly present in citrus fruits, is reported to have antioxidant, anti-inflammatory, and neuroprotective properties. Previous reports from our laboratory indicated the neuroprotective effect of hesperidin against aluminum chloride (AlCl3 )-induced memory loss, acetylcholine esterase hyperactivity, oxidative stress, and enhanced expression of amyloid β protein biosynthesis-related markers. However, their role on AlCl3 -induced inflammation, caspase activation, Tau pathology, altered Akt/GSK 3β signaling pathway, and Aβ clearance marker has not yet been fully elucidated...
April 23, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29684505/protective-effects-of-sulforaphane-on-cognitive-impairments-and-ad-like-lesions-in-diabetic-mice-are-associated-with-the-upregulation-of-nrf2-transcription-activity
#17
Die Pu, Yuxing Zhao, Jinliang Chen, Yue Sun, Ankang Lv, Shiyu Zhu, Cheng Luo, Kexiang Zhao, Qian Xiao
Type 2 diabetes mellitus (T2DM)-associated oxidative stress contributes to cognitive deficiencies and Alzheimer's disease (AD). Sulforaphane (SFN) is a pharmacological activator of Nrf2 that provokes Nrf2-mediated intracellular defenses, including antioxidant and anti-inflammatory responses, under oxidative stress (OS) conditions. This study investigated the effects of SFN on DM-related cognitive decline and its potential mechanisms. Morris water maze (MWM) tests showed that SFN (1 mg/kg i.p. for 28 days) mitigated the cognitive decline of db/db mice, a transgenic mouse model of T2DM...
April 20, 2018: Neuroscience
https://www.readbyqxmd.com/read/29676229/viral-induced-oxidative-and-inflammatory-response-in-alzheimer-s-disease-pathogenesis-with-identification-of-potential-drug-candidates-a-systematic-review-using-systems-biology-approach
#18
Puneet Talwar, Renu Gupta, Suman Kushwaha, Rachna Agarwal, Luciano Saso, Shrikant Kukreti, Ritushree Kukreti
Alzheimer's disease (AD) is genetically complex with multifactorial etiology. Here, we aim to identify the potential viral pathogens leading to aberrant inflammatory and oxidative stress response in AD along with potential drug candidates using systems biology approach. We retrieved protein interactions of amyloid precursor protein (APP) and tau protein (MAPT) from NCBI and genes for oxidative stress from NetAge, for inflammation from NetAge and InnateDB databases. Genes implicated in aging were retrieved from GenAge database and two GEO expression datasets...
April 19, 2018: Current Neuropharmacology
https://www.readbyqxmd.com/read/29668503/tetrahydroxystilbene-glycoside-antagonizes-%C3%AE-amyloid-induced-inflammatory-injury-in-microglia-cells-by-regulating-pu-1-expression
#19
Chenli Jiao, Feng Gao, Li Ou, Jinhua Yu, Min Li, Peifeng Wei, Feng Miu
Inhibiting β-amyloid (Aβ)-induced microglial activation is proposed as an effective strategy for the treatment of Alzheimer's disease. Tetrahydroxystilbene glycoside (TSG) is the main active ingredient of Polygonum multiflorum and has a wide range of biological properties, including antiinflammation. Here, we focused on the function and regulatory mechanism of TSG in Aβ-induced N9 and BV2 cells. The results showed that Aβ treatment induced the activation of microglia cells and the production of inflammatory molecules, including inducible nitric oxide synthase, nitric oxide, cyclooxygenase 2, and prostaglandin E2, which were significantly inhibited by TSG pretreatment...
April 17, 2018: Neuroreport
https://www.readbyqxmd.com/read/29623840/fruitless-wolfberry-sprout-extract-rescued-cognitive-deficits-and-attenuated-neuropathology-in-alzheimer-s-disease-transgenic-mice
#20
Shu-Ying Liu, Shuai Lu, Xiao-Lin Yu, Shi-Gao Yang, Wen Liu, Xiang-Meng Liu, Shao-Wei Wang, Jie Zhu, Mei Ji, Dong-Qun Liu, Zi-Ping Zhang, Rui-Tian Liu
BACKGROUND: Alzheimer's disease (AD) is a neurodegenerative disease featured by memory loss, neuroinflammation and oxidative stress. Overproduction or insufficient clearance of Aβ leads to the pathological aggregation and deposition, which is considered the predominant neuropathological hallmark of AD. Therefore, reducing Aβ levels and inhibiting Aβ-induced neurotoxicity are feasible therapeutic strategies for AD treatment. Wolfberry has been traditionally used as a natural antioxidant and anti-aging product...
April 4, 2018: Current Alzheimer Research
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