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Lu J, Chen J, Li SY, Pan GJ, Ou Y, Yuan LF, Jiang JP, Zeng LH, Zhao J. Naringin and Naringenin: Potential Multi-Target Agents for Alzheimer's Disease. Curr Med Sci 2024:10.1007/s11596-024-2921-z. [PMID: 39347923 DOI: 10.1007/s11596-024-2921-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 07/15/2024] [Indexed: 10/01/2024]
Abstract
Alzheimer's disease (AD) is one of the most common forms of neurodegenerative dementia. The etiology of AD is multifactorial, and its complex pathophysiology involves tau and amyloid-β deposition, increased oxidative stress, neuroinflammation, metabolic disorders, and massive neuronal loss. Due to its complex pathology, no effective cure for AD has been found to date. Therefore, there is an unmet clinical need for the development of new drugs against AD. Natural products are known to be good sources of compounds with pharmacological activity and have potential for the development of new therapeutic agents. Naringin, a naturally occurring flavanone glycoside, is predominantly found in citrus fruits and Chinese medicinal herbs. Mounting evidence shows that naringin and its aglycone, naringenin, have direct neuroprotective effects on AD, such as anti-amyloidogenic, antioxidant, anti-acetylcholinesterase, and anti-neuroinflammatory effects, as well as metal chelation. Furthermore, they are known to improve disordered glucose/lipid metabolism, which is a high risk factor for AD. In this review, we summarize the latest data on the impact of naringin and naringenin on the molecular mechanisms involved in AD pathophysiology. Additionally, we provide an overview of the current clinical applications of naringin and naringenin. The novel delivery systems for naringin and naringenin, which can address their widespread pharmacokinetic limitations, are also discussed. The literature indicates that naringin and naringenin could be multilevel, multitargeted, and multifaceted for preventing and treating AD.
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Affiliation(s)
- Jing Lu
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310015, China
| | - Jie Chen
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310015, China
| | - Shu-Yue Li
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China
| | - Guang-Jie Pan
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China
| | - Yi Ou
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China
| | - Li-Fu Yuan
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China
| | - Jian-Ping Jiang
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China.
- Affiliated Hospital, Hangzhou City University School of Medicine, Hangzhou, 310015, China.
| | - Ling-Hui Zeng
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China.
| | - Jie Zhao
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, 310015, China.
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Kuşi M, Becer E, Vatansever HS. Basic approach on the protective effects of hesperidin and naringin in Alzheimer's disease. Nutr Neurosci 2024:1-13. [PMID: 39225173 DOI: 10.1080/1028415x.2024.2397136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
OBJECTIVES Alzheimer's disease (AD) is a neurodegenerative disease characterized by cognitive impairment. This situation imposes a great burden on individuals, both economically and socially. Today, an effective method for treating the disease and protective approach to tau accumulation has not been developed yet. Studies have been conducted on the effects of hesperidin and naringin flavonoids found in citrus fruits on many diseases. METHODS In this review, the pathophysiology of AD is defined, and the effects of hesperidin and naringin on these factors are summarized. RESULTS Studies have shown that both components may potentially affect AD due to their antioxidative and anti-inflammatory properties. Based on these effects of the components, it has been shown that they may have ameliorative effects on Aβ, α-synuclein aggregation, tau pathology, and cognitive functions in the pathophysiology of AD. DISCUSSION There are studies suggesting that hesperidin and naringin may be effective in the prevention/treatment of AD. When these studies are examined, it is seen that more studies should be conducted on the subject.
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Affiliation(s)
- Müjgan Kuşi
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Near East University, Nicosia, North Cyprus via Mersin 10, Turkey
- Research Center for Science, Technology and Engineering (BILTEM), Near East University, Nicosia, North Cyprus via Mersin 10, Turkey
| | - Eda Becer
- Faculty of Pharmacy, Eastern Mediterranean University, Famagusta, North Cyprus via Mersin 10, Turkey
| | - Hafize Seda Vatansever
- DESAM Institute, Near East University, Nicosia, North Cyprus via Mersin 10, Turkey
- Faculty of Medicine, Department of Histology and Embryology, Manisa Celal Bayar University, Manisa, Turkey
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Singh A, Kumar Singh N. Pre-clinical Evidence-based Neuroprotective Potential of Naringin against Alzheimer's Disease-like Pathology: A Comprehensive Review. Curr Pharm Biotechnol 2024; 25:1112-1123. [PMID: 37526460 DOI: 10.2174/1389201024666230801095526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/06/2023] [Accepted: 06/20/2023] [Indexed: 08/02/2023]
Abstract
Neurodegenerative disorders (NDs) are a group of progressive, chronic, and disabling disorders that are highly prevalent and the incidence is on a constant rise globally. Alzheimer's disease (AD), one of the most common neurodegenerative disorders is hallmarked by cognitive impairment, amyloid-β (Aβ) deposition, hyperphosphorylation of tau protein, cholinergic dysfunction, mitochondrial toxicity, and neurodegeneration. Available therapeutic agents only provide symptomatic relief and their use are limited due to serious side effects. Recent research has recognized flavonoids as potential multi-target biomolecules that can reduce the pathogenesis of AD. Naringin, a natural citrus flavonoid has been traditionally used to treat various NDs including AD, and has gained special attention because exhibits a neuroprotective effect by affecting numerous signaling pathways with minimum adverse effects. Naringin reduces deposition of Aβ, hyperphosphorylation of tau protein, cholinergic dysfunction, oxidative stress burden, mitochondrial toxicity, the activity of glutamate receptors, and apoptosis of the neuronal cells. Additionally, it reduces the expression of phosphorylated-P38/P38 and the NF-κB signaling pathway, showing that a wide range of molecular targets is involved in naringin's neuroprotective action. The present study describes the possible pharmacological targets, signaling pathways, and molecular mechanisms of naringin involved in neuroprotection against AD-like pathology. Based on the above pre-clinical reports it can be concluded that naringin could be an alternative therapeutic agent for the management of AD-like manifestation. Thus, there is a strong recommendation to perform more preclinical and clinical studies to develop naringin as a novel molecule that could be a multi-target drug to counteract AD.
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Affiliation(s)
- Ashini Singh
- Division of Pharmacology, Institute of Pharmaceutical Research, GLA University, Mathura, 281406, India
| | - Niraj Kumar Singh
- Division of Pharmacology, Institute of Pharmaceutical Research, GLA University, Mathura, 281406, India
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Rajkumar M, Kannan S, Thangaraj R. Voglibose attenuates cognitive impairment, Aβ aggregation, oxidative stress, and neuroinflammation in streptozotocin-induced Alzheimer's disease rat model. Inflammopharmacology 2023; 31:2751-2771. [PMID: 37665449 DOI: 10.1007/s10787-023-01313-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023]
Abstract
Alzheimer's disease (AD) is an age-dependent neurodegenerative disease hallmarked by Amyloid-β (Aβ) aggregation, cognitive impairment, and neuronal and synaptic loss. In this study, AD was induced in male Wistar rats (n = 6) by the administration of intracerebroventricular-streptozotocin (ICV-STZ-3 mg/kg/day), and Voglibose (Vog) was administered at various doses (10, 25, and 50 mg/kg), while Galantamine (3 mg/kg) acted as a reference standard drug. Behavioral alterations in both spatial and non-spatial memory functions were evaluated in the experimental rats. At the end of the study, all experimental rats were sacrificed, and their brain parts, the cortex and hippocampus, were subjected to biochemical, western blot, and histopathological analysis. In our study results, the statistically significant dose-dependent results from the behavioral tests show the Voglibose-treated groups significantly improved (p < 0.0001) spatial and non-spatial memory functions when compared with ICV-STZ-treated group. Meanwhile, when compared with ICV-STZ-treated rats, treatment with Voglibose (10, 25, and 50 mg/kg) showed the activities of both acetylcholinesterase (AChE) and malondialdehyde (MDA) were significantly attenuated (p < 0.0001), while the operation of antioxidant enzymes was considerably enhanced (p < 0.0001). The molecular estimation showed that it significantly attenuates (p < 0.0001) the TNF-α, IL-1β, and CRP activity, and the western blot results demonstrate the significantly attenuated Aβ aggregation. The histopathological results showed that the Voglibose treatment had an effective improvement in clear cytoplasm and healthy neuronal cells. In conclusion, our results suggest that Voglibose has potent neuroprotective effects against the ICV-STZ-induced AD model. Furthermore, these results support the possibility of Voglibose as a therapeutic approach to improving cognitive function, suggesting that controlling Aβ aggregation might be a novel target for the development of AD.
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Affiliation(s)
- Manickam Rajkumar
- Cancer Nanomedicine Laboratory, Department of Zoology, School of Life Sciences, Periyar University, Salem, Tamil Nadu, 636 011, India
| | - Soundarapandian Kannan
- Cancer Nanomedicine Laboratory, Department of Zoology, School of Life Sciences, Periyar University, Salem, Tamil Nadu, 636 011, India.
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Swamy RS, Kumar N, Shenoy S, Cheruku SP, Rao V, Kumar N, Kumar S, Ravichandiran V. Neuroprotective effect by naringin against fluorosis-induced neurodegeneration in adult Wistar rats. Neuroreport 2023; 34:449-456. [PMID: 37161984 DOI: 10.1097/wnr.0000000000001908] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Fluorosis is widespread in several areas of the world and including India leading to dental and skeletal fluorosis as well as neurological manifestations. With a limited number of treatment options available, we have tried to address the issue with a nutraceutical such as naringin which is an alkaloid derived from the citrus fruit. Naringin is a potent antioxidant and has neuroprotective action which can counteract the redox imbalance induced by sodium fluoride ingestion. Neurological effects of fluorosis were evaluated in Wistar rats by open field test (OFT) and novel object recognition test (NORT) along with lipid peroxidation (LPO) and glutathione estimation in brain homogenate and cresyl violet staining of CA3 neurons in the hippocampus. Animals were divided into groups namely, normal, vehicle, fluoride, naringin 100 mg/kg bd.wt group and fluoride with naringin (FLU-NAR) group. Fluorosis was induced by providing 100 ppm of sodium fluoride ad libitum in drinking water for 30 days and prophylactic treatment of naringin for 15 days per oral. OFT, NORT and forced swim test showed significant (P ≤ 0.05) changes in the FLU-NAR group as compared to the fluoride group indicating behavioral changes in the fluoride group and positive changes in the FLU-NAR group with attenuation of stress, fear, hyperactivity and memory impairment. The decrease in LPO and increase in glutathione levels in the treatment group compared to the fluoride group were supported by histological improvement as compared to the fluoride group. Prophylactic treatment of naringin showed its possible neuroprotective effect, thus giving an alternative treatment strategy to deal with neurological manifestations of fluorosis.
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Affiliation(s)
- Ravindra Shantakumar Swamy
- Division of Anatomy, Department of Basic Medical Sciences (DBMS), Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, India
| | - Naveen Kumar
- Department of Anatomy, RAK College of Medical Sciences, RAK Medical and Health Sciences University (RAKMHSU), Ras Al Khaimah, UAE
| | - Smita Shenoy
- Department of Pharmacology, Kasturba medical college, Manipal Academy of Higher Education
| | - Sri Pragnya Cheruku
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka
| | - Vanishree Rao
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka
| | - Nitesh Kumar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur (NIPER-H), Hajipur, India
| | - Sachindra Kumar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur (NIPER-H), Hajipur, India
| | - Velayutham Ravichandiran
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hajipur (NIPER-H), Hajipur, India
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Choi GY, Kim HB, Hwang ES, Park HS, Cho JM, Ham YK, Kim JH, Mun MK, Maeng S, Park JH. Naringin enhances long-term potentiation and recovers learning and memory deficits of amyloid-beta induced Alzheimer's disease-like behavioral rat model. Neurotoxicology 2023; 95:35-45. [PMID: 36549596 DOI: 10.1016/j.neuro.2022.12.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/15/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
Alzheimer's disease (AD), as the most typical type of dementia, is a chronic neurodegenerative disorder characterized by progressive learning and memory impairment. It is known that the main causes of AD are the accumulation of β-amyloid (Aβ) plaques and neurofibrillary tangles (NFT) containing hyperphosphorylated tau protein. Naringin is a flavonoid from citrus fruits, especially in grapefruit, which has anti-inflammatory, antioxidant, anti-apoptotic, and neuroprotective activities. However, the effect of naringin in AD caused by Aβ has not been clearly studied, and there are few studies on the electrophysiological aspect. Thus, we investigated the ex vivo neuroprotective effect of naringin through the long-term potentiation (LTP) on organotypic hippocampal slice cultures. We evaluated the in vivo effects of naringin (100 mg/kg/day) orally treated for 20 days on learning, memory, and cognition which was impaired by bilateral CA1 subregion injection of Aβ. Cognitive behaviors were measured 2 weeks after Aβ injection using behavioral tests and the hippocampal expression of apoptotic and neurotrophic regulators were measured by immunoblotting. In hippocampal tissue slices, naringin dose-dependently increased the field excitatory postsynaptic potential (fEPSP) after theta burst stimulation and attenuated Aβ-induced blockade of fEPSP in the hippocampal CA1 area. In Aβ injected rats, naringin improved object recognition memory in the novel object test, avoidance memory in the passive avoidance test and spatial recognition memory in the Morris water maze test. In the hippocampus, naringin attenuated the Aβ-induced cyclooxygenase-2, Bax activation and Bcl-2, CREB, BDNF and TrkB inhibition. These results suggest that naringin has therapeutic potential to reduce neuronal inflammation and apoptosis induced by Aβ related with the BDNF/TrkB/CREB signaling.
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Affiliation(s)
- Ga-Young Choi
- Department of East-West Medicine, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Hyun-Bum Kim
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Eun-Sang Hwang
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Ho-Sub Park
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Jae-Min Cho
- Graduate School of Biotechnology, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Young-Ki Ham
- Department of East-West Medicine, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Jin-Hee Kim
- Department of East-West Medicine, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Mi-Kyung Mun
- Department of East-West Medicine, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Sungho Maeng
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
| | - Ji-Ho Park
- Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
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Punmiya A, Prabhu A. Structural fingerprinting of pleiotropic flavonoids for multifaceted Alzheimer's disease. Neurochem Int 2023; 163:105486. [PMID: 36641110 DOI: 10.1016/j.neuint.2023.105486] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 12/13/2022] [Accepted: 01/09/2023] [Indexed: 01/13/2023]
Abstract
Alzheimer's disease has emerged as one of the most challenging neurodegenerative diseases associated with dementia, loss of cognitive functioning and memory impairment. Despite enormous efforts to identify disease modifying technologies, the repertoire of currently approved drugs consists of a few symptomatic candidates that are not capable of halting disease progression. Moreover, these single mechanism drugs target only a small part of the pathological cascade and do not address most of the etiological basis of the disease. Development of therapies that are able to simultaneously tackle all the multiple interlinked causative factors such as amyloid protein aggregation, tau hyperphosphorylation, cholinergic deficit, oxidative stress, metal dyshomeostasis and neuro-inflammation has become the focus of intensive research in this domain. Flavonoids are natural phytochemicals that have demonstrated immense potential as medicinal agents due to their multiple beneficial therapeutic effects. The polypharmacological profile of flavonoids aligns well with the multifactorial pathological landscape of Alzheimer's disease, making them promising candidates to overcome the challenges of this neurodegenerative disorder. This review presents a detailed overview of the pleiotropic biology of flavonoids favourable for Alzheimer therapeutics and the structural basis for these effects. Structure activity trends for several flavonoid classes such as flavones, flavonols, flavanones, isoflavones, flavanols and anthocyanins are comprehensively analyzed in detail and presented.
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Affiliation(s)
- Amisha Punmiya
- Department of Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Arati Prabhu
- Department of Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India.
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Emran TB, Islam F, Nath N, Sutradhar H, Das R, Mitra S, Alshahrani MM, Alhasaniah AH, Sharma R. Naringin and Naringenin Polyphenols in Neurological Diseases: Understandings from a Therapeutic Viewpoint. LIFE (BASEL, SWITZERLAND) 2022; 13:life13010099. [PMID: 36676048 PMCID: PMC9867091 DOI: 10.3390/life13010099] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 01/01/2023]
Abstract
The glycosides of two flavonoids, naringin and naringenin, are found in various citrus fruits, bergamots, tomatoes, and other fruits. These phytochemicals are associated with multiple biological functions, including neuroprotective, antioxidant, anticancer, antiviral, antibacterial, anti-inflammatory, antiadipogenic, and cardioprotective effects. The higher glutathione/oxidized glutathione ratio in 3-NP-induced rats is attributed to the ability of naringin to reduce hydroxyl radical, hydroperoxide, and nitrite. However, although progress has been made in treating these diseases, there are still global concerns about how to obtain a solution. Thus, natural compounds can provide a promising strategy for treating many neurological conditions. Possible therapeutics for neurodegenerative disorders include naringin and naringenin polyphenols. New experimental evidence shows that these polyphenols exert a wide range of pharmacological activity; particular attention was paid to neurodegenerative diseases such as Alzheimer's and Parkinson's diseases, as well as other neurological conditions such as anxiety, depression, schizophrenia, and chronic hyperglycemic peripheral neuropathy. Several preliminary investigations have shown promising evidence of neuroprotection. The main objective of this review was to reflect on developments in understanding the molecular mechanisms underlying the development of naringin and naringenin as potential neuroprotective medications. Furthermore, the configuration relationships between naringin and naringenin are discussed, as well as their plant sources and extraction methods.
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Affiliation(s)
- Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
- Correspondence:
| | - Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Nikhil Nath
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - Hriday Sutradhar
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Mohammed Merae Alshahrani
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, P.O. Box 1988, Najran 61441, Saudi Arabia
| | - Abdulaziz Hassan Alhasaniah
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, P.O. Box 1988, Najran 61441, Saudi Arabia
| | - Rohit Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
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Csuti A, Sik B, Ajtony Z. Measurement of Naringin from Citrus Fruits by High-Performance Liquid Chromatography - a Review. Crit Rev Anal Chem 2022; 54:473-486. [PMID: 35658668 DOI: 10.1080/10408347.2022.2082241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Naringin is a flavonoid found primarily in citrus species with especially high concentrations being present in grapefruit (Citrus paradisi), bitter orange (Citrus aurantium), and pomelo (Citrus grandis). Because of its many positive effects on human health, naringin has been the focus of increasing attention in recent years. Recently, conventional extraction methods have been commonly replaced with unconventional methods, such as ultrasound-assisted extraction (UAE) and other, more eco-friendly extraction methods requiring little-to-no environmentally harmful solvents or significantly less energy. Naringin analysis is most commonly done via high-performance liquid chromatography (HPLC), and ultrahigh-performance liquid chromatography (UHPLC) coupled with a mass spectrometer (MS) or a photodiode array (DAD) detector. The aim of this review is to provide an overview of recent trends developments in the extraction, sample preparation, and liquid chromatographic analysis of the compound originating from citrus fruits or their products.
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Affiliation(s)
- Aron Csuti
- Department of Food Science, Széchenyi István University, 15 Lucsony Str, Mosonmagyaróvár, 9200, Hungary
| | - Beatrix Sik
- Department of Food Science, Széchenyi István University, 15 Lucsony Str, Mosonmagyaróvár, 9200, Hungary
| | - Zsolt Ajtony
- Department of Food Science, Széchenyi István University, 15 Lucsony Str, Mosonmagyaróvár, 9200, Hungary
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Rivoira MA, Rodriguez V, Talamoni G, de Talamoni NT. New Perspectives in the Pharmacological Potential of Naringin in Medicine. Curr Med Chem 2021; 28:1987-2007. [PMID: 32496985 DOI: 10.2174/0929867327666200604171351] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/22/2020] [Accepted: 04/24/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Naringin (NAR) is a flavonoid enriched in several medicinal plants and fruits. An increasing interest in this molecule has emerged because it has the potential to contribute to alleviating many health problems. OBJECTIVE This review briefly describes the NAR pharmacokinetics and it mainly focuses on the in vitro and in vivo animal studies showing NAR beneficial effects on cardiovascular, metabolic, neurological and pulmonary disorders and cancer. The anabolic effects of NAR on different models of bone and dental diseases are also analyzed. In addition, the evidence of the NAR action on the gastrointestinal tract is reported as well as its influence on the microbiota composition and activity. Finally, current research on NAR formulations and clinical applications are discussed. METHODS The PubMed database was searched until 2019, using the keywords NAR, naringenin, cardiovascular and metabolic disorders, neurological and pulmonary disorders, cancer, bone and dental diseases, gastrointestinal tract, microbiota, NAR formulations, clinical trials. RESULTS The number of studies related to the bioavailability and pharmacokinetics of NAR is limited. Positive effects of NAR have been reported on cardiovascular diseases, Type 2 Diabetes Mellitus (T2DM), metabolic syndrome, pulmonary disorders, neurodegenerative diseases, cancer, and gastrointestinal pathologies. The current NAR formulations seem to improve its bioavailability, which would allow its clinical applications. CONCLUSION NAR is endowed with broad biological effects that could improve human health. Since a scarce number of clinical studies have been performed, the NAR use requires more investigation in order to know better their safety, efficacy, delivery, and bioavailability in humans.
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Affiliation(s)
- María Angélica Rivoira
- Laboratorio "Dr. Fernando Canas", Catedra de Bioquimica y Biologia Molecular, Facultad de Ciencias Medicas, INICSA (CONICET-Universidad Nacional de Cordoba), Pabellon Argentina, 2do. Piso, Ciudad Universitaria, 5000 Cordoba, Argentina
| | - Valeria Rodriguez
- Laboratorio "Dr. Fernando Canas", Catedra de Bioquimica y Biologia Molecular, Facultad de Ciencias Medicas, INICSA (CONICET-Universidad Nacional de Cordoba), Pabellon Argentina, 2do. Piso, Ciudad Universitaria, 5000 Cordoba, Argentina
| | - Germán Talamoni
- Laboratorio "Dr. Fernando Canas", Catedra de Bioquimica y Biologia Molecular, Facultad de Ciencias Medicas, INICSA (CONICET-Universidad Nacional de Cordoba), Pabellon Argentina, 2do. Piso, Ciudad Universitaria, 5000 Cordoba, Argentina
| | - Nori Tolosa de Talamoni
- Laboratorio "Dr. Fernando Canas", Catedra de Bioquimica y Biologia Molecular, Facultad de Ciencias Medicas, INICSA (CONICET-Universidad Nacional de Cordoba), Pabellon Argentina, 2do. Piso, Ciudad Universitaria, 5000 Cordoba, Argentina
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Gindri dos Santos B, Peres Klein C, Scortegagna Crestani M, Moura Maurmann R, Mateus Hözer R, dos Santos Rodrigues K, Maciel August P, Matté C. Naringin Supplementation during Pregnancy Induces Sex and Region-Specific Alterations in the Offspring's Brain Redox Status. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18094805. [PMID: 33946307 PMCID: PMC8124438 DOI: 10.3390/ijerph18094805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/21/2021] [Accepted: 04/27/2021] [Indexed: 11/26/2022]
Abstract
Research has shown the beneficial effects of naringin supplementation to adult rodents, which can ameliorate oxidative stress in disease models. However, evidence has demonstrated that polyphenol supplementation induced detrimental effects when consumed during sensitive periods of development, such as pregnancy. Therefore, we investigated the effect of maternal naringin supplementation during pregnancy on the offspring’s cerebral redox status. Pregnant Wistar rats were divided into control and naringin groups and supplemented from gestational day 15 to gestational day 21. On postnatal days 1, 7, and 21, offspring were euthanized, and the prefrontal cortex, hippocampus, striatum, and cerebellum dissected. On postnatal day 1, maternal naringin supplementation positively modulated the pups’ brain redox status. On postnatal day 7, a pro-oxidative milieu was observed in the offspring’s striatum and cerebellum in a sex-dependent manner, even though the prefrontal cortex and hippocampus were not negatively affected. Besides, the alterations observed on postnatal day 7 did not persist up to weaning. Our findings demonstrated that the effect induced by naringin supplementation in the brain redox status differed according to the period of development in which naringin was consumed since the beneficial effects usually found in the adult rodents became detrimental when the supplementation was applied during pregnancy.
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Affiliation(s)
- Bernardo Gindri dos Santos
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
- Correspondence:
| | - Caroline Peres Klein
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Mariana Scortegagna Crestani
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (M.S.C.); (R.M.M.)
| | - Rafael Moura Maurmann
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (M.S.C.); (R.M.M.)
| | - Régis Mateus Hözer
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Karoline dos Santos Rodrigues
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Pauline Maciel August
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
| | - Cristiane Matté
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (C.P.K.); (R.M.H.); (K.d.S.R.); (P.M.A.); (C.M.)
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-000, Brazil; (M.S.C.); (R.M.M.)
- Programa de Pós-Graduação em Ciências Biológicas: Fisiologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90050-170, Brazil
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Varshney H, Siddique YH. Role of natural plant products against Alzheimer's disease. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2021; 20:904-941. [PMID: 33881973 DOI: 10.2174/1871527320666210420135437] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/12/2020] [Accepted: 02/09/2021] [Indexed: 01/25/2023]
Abstract
Alzheimer's disease (AD) is one of the major neurodegenerative disorder. Deposition of amyloid fibrils and tau protein are associated with various pathological symptoms. Currently limited medication is available for AD treatment. Most of the drugs are basically cholinesterase inhibitors and associated with various side effects. Natural plant products have shown potential as a therapeutic agent for the treatment of AD symptoms. Variety of secondary metabolites like flavonoids, tannins, terpenoids, alkaloids and phenols are used to reduce the progression of the disease. Plant products have less or no side effect and are easily available. The present review gives a detailed account of the potential of natural plant products against the AD symptoms.
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Affiliation(s)
- Himanshi Varshney
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
| | - Yasir Hasan Siddique
- Drosophila Transgenic Laboratory, Section of Genetics, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India
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13
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Hole KL, Williams RJ. Flavonoids as an Intervention for Alzheimer's Disease: Progress and Hurdles Towards Defining a Mechanism of Action. Brain Plast 2021; 6:167-192. [PMID: 33782649 PMCID: PMC7990465 DOI: 10.3233/bpl-200098] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Attempts to develop a disease modifying intervention for Alzheimer's disease (AD) through targeting amyloid β (Aβ) have so far been unsuccessful. There is, therefore, a need for novel therapeutics against alternative targets coupled with approaches which may be suitable for early and sustained use likely required for AD prevention. Numerous in vitro and in vivo studies have shown that flavonoids can act within processes and pathways relevant to AD, such as Aβ and tau pathology, increases in BDNF, inflammation, oxidative stress and neurogenesis. However, the therapeutic development of flavonoids has been hindered by an ongoing lack of clear mechanistic data that fully takes into consideration metabolism and bioavailability of flavonoids in vivo. With a focus on studies that incorporate these considerations into their experimental design, this review will evaluate the evidence for developing specific flavonoids as therapeutics for AD. Given the current lack of success of anti-Aβ targeting therapeutics, particular attention will be given to flavonoid-mediated regulation of tau phosphorylation and aggregation, where there is a comparable lack of study. Reflecting on this evidence, the obstacles that prevent therapeutic development of flavonoids will be examined. Finally, the significance of recent advances in flavonoid metabolomics, modifications and influence of the microbiome on the therapeutic capacity of flavonoids in AD are explored. By highlighting the potential of flavonoids to target multiple aspects of AD pathology, as well as considering the hurdles, this review aims to promote the efficient and effective identification of flavonoid-based approaches that have potential as therapeutic interventions for AD.
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Affiliation(s)
- Katriona L. Hole
- Centre for Regenerative Medicine, Department of Biology and Biochemistry, University of Bath, UK
| | - Robert J. Williams
- Centre for Regenerative Medicine, Department of Biology and Biochemistry, University of Bath, UK
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Guo LX, Sun B. N,N'-1,10-Bis(Naringin) Triethylenetetraamine, Synthesis and as a Cu(II) Chelator for Alzheimer's Disease Therapy. Biol Pharm Bull 2020; 44:51-56. [PMID: 33162492 DOI: 10.1248/bpb.b20-00574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The bis-Schiff base of N,N'-1,10-bis(naringin) triethylenetetraamine (1) was prepared, as a copper(II) ion chelator, compound 1 was used for Alzheimer's disease therapy in vitro. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay of compound 1 showed that this Schiff base could promote PC12 cells proliferation, and also, compound 1 could inhibit Cu2+-amyloid-β (Aβ)1-42 mediated cytotoxicity on PC12 cells. The thioflavine T (ThT) assay showed that 1 can effectively attenuate Cu2+-induced Aβ1-42 aggregation. In addition, compound 1 is determined to be potent antioxidants on the basis of in vitro antioxidant assay, it can effectively decease the level of reactive oxygen species (ROS) in Cu2+-Aβ1-42-treated PC12 cells and elevate the superoxide dismutase (SOD) activity in Cu2+-Aβ1-42-treated PC12 cells. The results show that N,N'-1,10-bis(naringin) triethylenetetraamine is a potential agent for therapy of Alzheimer's disease.
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Affiliation(s)
- Li-Xia Guo
- Key Laboratory of Natural Medicine Research of Chongqing Education Commission, Chongqing Technology and Business University.,College of Environment and Resources, Chongqing Technology and Business University
| | - Bin Sun
- Key Laboratory of Natural Medicine Research of Chongqing Education Commission, Chongqing Technology and Business University.,College of Environment and Resources, Chongqing Technology and Business University
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Fakhri S, Pesce M, Patruno A, Moradi SZ, Iranpanah A, Farzaei MH, Sobarzo-Sánchez E. Attenuation of Nrf2/Keap1/ARE in Alzheimer's Disease by Plant Secondary Metabolites: A Mechanistic Review. Molecules 2020; 25:molecules25214926. [PMID: 33114450 PMCID: PMC7663041 DOI: 10.3390/molecules25214926] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/21/2020] [Accepted: 10/21/2020] [Indexed: 12/13/2022] Open
Abstract
Alzheimer’s disease (AD) is a progressive neuronal/cognitional dysfunction, leading to disability and death. Despite advances in revealing the pathophysiological mechanisms behind AD, no effective treatment has yet been provided. It urges the need for finding novel multi-target agents in combating the complex dysregulated mechanisms in AD. Amongst the dysregulated pathophysiological pathways in AD, oxidative stress seems to play a critical role in the pathogenesis progression of AD, with a dominant role of nuclear factor erythroid 2-related factor 2 (Nrf2)/Kelch-like ECH-associated protein-1 (Keap1)/antioxidant responsive elements (ARE) pathway. In the present study, a comprehensive review was conducted using the existing electronic databases, including PubMed, Medline, Web of Science, and Scopus, as well as related articles in the field. Nrf2/Keap1/ARE has shown to be the upstream orchestrate of oxidative pathways, which also ameliorates various inflammatory and apoptotic pathways. So, developing multi-target agents with higher efficacy and lower side effects could pave the road in the prevention/management of AD. The plant kingdom is now a great source of natural secondary metabolites in targeting Nrf2/Keap1/ARE. Among natural entities, phenolic compounds, alkaloids, terpene/terpenoids, carotenoids, sulfur-compounds, as well as some other miscellaneous plant-derived compounds have shown promising future accordingly. Prevailing evidence has shown that activating Nrf2/ARE and downstream antioxidant enzymes, as well as inhibiting Keap1 could play hopeful roles in overcoming AD. The current review highlights the neuroprotective effects of plant secondary metabolites through targeting Nrf2/Keap1/ARE and downstream interconnected mediators in combating AD.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran; (S.F.); (S.Z.M.)
| | - Mirko Pesce
- Department of Medicine and Aging Sciences, University G. d’Annunzio CH-PE, 66100 Chieti, Italy;
| | - Antonia Patruno
- Department of Medicine and Aging Sciences, University G. d’Annunzio CH-PE, 66100 Chieti, Italy;
- Correspondence: (A.P.); (M.H.F.)
| | - Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran; (S.F.); (S.Z.M.)
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
| | - Amin Iranpanah
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah 6714415153, Iran;
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran; (S.F.); (S.Z.M.)
- Correspondence: (A.P.); (M.H.F.)
| | - Eduardo Sobarzo-Sánchez
- Laboratory of Pharmaceutical Chemistry, Department of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Instituto de Investigación e Innovación en Salud, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago 8330507, Chile
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16
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Phytometabolomic analysis of boiled rhizome of Nymphaea nouchali (Burm. f.) using UPLC-Q-TOF-MS E, LC-QqQ-MS & GC-MS and evaluation of antihyperglycemic and antioxidant activities. Food Chem 2020; 342:128313. [PMID: 33067043 DOI: 10.1016/j.foodchem.2020.128313] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 09/18/2020] [Accepted: 10/02/2020] [Indexed: 01/07/2023]
Abstract
Phytometabolomic analysis of Nymphaea nouchali (Burm. F.) boiled rhizome was carried out utilizing UPLC-Q-TOF-MSE, LC-QqQ-MS and GC-MS techniques and evaluated for antihyperglycemic and antioxidative stress potentials. Metabolomic analysis revealed presence of multiple antidiabetic and antioxidant compounds. Boiled rhizome powder exhibited potent antihyperglycemic activity against sugar-induced postprandial hyperglycemia in rats plausibly due to the presence of intestinal α-glucosidase inhibitory and augmenting cellular glucose uptake activities. It also prevented hyperglycemia-induced hemoglobin and insulin glycation. Rhizome displayed potent reducing power, effectively scavenged various reactive oxygen species. It displayed antioxidative stress potential in assuaging H2O2 induced erythrocyte hemolysis and antioxidant activity by inhibiting membrane lipid peroxidation. Boiled rhizome was also found to preserve the loss of cellular antioxidants under H2O2 induced oxidative stress and disturbances caused to mitochondrial membrane potential. This is the first research reporting boiled N. nouchali rhizome as an ideal food material to manage the cause of hyperglycemia and resultant oxidative stress.
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17
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Zhao J, Zhu M, Kumar M, Ngo FY, Li Y, Lao L, Rong J. A Pharmacological Appraisal of Neuroprotective and Neurorestorative Flavonoids Against Neurodegenerative Diseases. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2020; 18:103-114. [PMID: 30394219 DOI: 10.2174/1871527317666181105093834] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 10/22/2018] [Accepted: 10/29/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND & OBJECTIVE Alzheimer's disease (AD) and Parkinson's disease (PD) affect an increasing number of the elderly population worldwide. The existing treatments mainly improve the core symptoms of AD and PD in a temporary manner and cause alarming side effects. Naturally occurring flavonoids are well-documented for neuroprotective and neurorestorative effects against various neurodegenerative diseases. Thus, we analyzed the pharmacokinetics of eight potent natural products flavonoids for the druggability and discussed the neuroprotective and neurorestorative effects and the underlying mechanisms. CONCLUSION This review provides valuable clues for the development of novel therapeutics against neurodegenerative diseases.
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Affiliation(s)
- Jia Zhao
- Department of Chinese Medicine, The University of Hong Kong Shenzhen Hospital, Shenzhen, China.,School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China
| | - Mengxia Zhu
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China
| | - Mukesh Kumar
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China
| | - Fung Yin Ngo
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China
| | - Yinghui Li
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China
| | - Lixing Lao
- Department of Chinese Medicine, The University of Hong Kong Shenzhen Hospital, Shenzhen, China.,School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China
| | - Jianhui Rong
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, China.,Institute of Research and Innovation (HKU-SIRI), The University of Hong Kong Shenzhen, Shenzhen, China
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Budel RG, da Silva DA, Moreira MP, Dalcin AJF, da Silva AF, Nazario LR, Majolo JH, Lopes LQS, Santos RCV, Antunes Soares FA, da Silva RS, Gomes P, Boeck CR. Toxicological evaluation of naringin-loaded nanocapsules in vitro and in vivo. Colloids Surf B Biointerfaces 2020; 188:110754. [DOI: 10.1016/j.colsurfb.2019.110754] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/27/2019] [Accepted: 12/20/2019] [Indexed: 02/06/2023]
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19
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Kaur G, Prakash A. Involvement of the nitric oxide signaling in modulation of naringin against intranasal manganese and intracerbroventricular β-amyloid induced neurotoxicity in rats. J Nutr Biochem 2019; 76:108255. [PMID: 31759198 DOI: 10.1016/j.jnutbio.2019.108255] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 09/02/2019] [Accepted: 09/30/2019] [Indexed: 12/20/2022]
Abstract
Manganese -induced aggregation of the amyloid-β peptide (Aβ) is a hallmark molecular feature of Alzheimer's disease (AD). The current study was designed to investigate the effects of chronic administration of naringin against β-A1-42 and manganese induced experimental model. Wistar rats received intracerebroventricular (ICV) β-A1-42 once, intranasal manganese, naringin and nitric oxide modulators for 21 days and behavioral alterations were assessed. Mitochondrial enzymes, oxidative parameters, TNF-α, β-A1-42 acetylcholinesterase (AChE) levels and manganese concentration were measured. ICV β-A1-42 and intranasal manganese treated rats showed a memory deficit and significantly increased in β-A1-42 level and manganese concentration, mitochondrial oxidative damage, AChE level and inflammatory mediator in the hippocampus and cortex. Chronic administration of naringin (40 and 80 mg/kg) significantly improved memory performance and attenuated the oxidative damage and mitochondrial dysfunction in Aβ with Mn treated rats. In addition, naringin also attenuates the pro-inflammatory cytokines like TNF-α, AChE, Amyloid deposition and Mn concentration. Further, pretreatment of N(G)-Nitro-L-arginine methyl ester (L-NAME) with (5 mg/kg) with lower dose of naringin significantly potentiated its protective effect. These results demonstrate that naringin offers protection against ICV β-A1-42 and intranasal manganese induced memory dysfunction possibly due to its antioxidant, anti-inflammatory, anti-amyloidogenesis therefore, could have a therapeutic potential in Alzheimer's disease.
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Affiliation(s)
- Gagandeep Kaur
- Department of Pharmacology, ISF College of Pharmacy, Moga 142-001, Punjab, India
| | - Atish Prakash
- Department of Pharmacology, ISF College of Pharmacy, Moga 142-001, Punjab, India; Garrison Institute on Aging, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
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Arika WM, Kibiti CM, Njagi JM, Ngugi MP. Modulation of Cognition: The Role of Gnidia glauca on Spatial Learning and Memory Retention in High-Fat Diet-Induced Obese Rats. Neural Plast 2019; 2019:2867058. [PMID: 31565046 PMCID: PMC6745098 DOI: 10.1155/2019/2867058] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 07/22/2019] [Accepted: 08/13/2019] [Indexed: 11/26/2022] Open
Abstract
Chronic exposures to high-fat diets are linked to neuropathological changes that culminate in obesity-related cognitive dysfunction and brain alteration. Learning, memory performance, and executive function are the main domains affected by an obesogenic diet. There are limited effective therapies for addressing cognitive deficits. Thus, it is important to identify additional and alternative therapies. In African traditional medicine, Gnidia glauca has putative efficacy in the management of obesity and associated complications. The use of Gnidia glauca is largely based on its long-term traditional use. Its therapeutic application has not been accompanied by sufficient scientific evaluation to validate its use. Therefore, the current study sought to explore the modulatory effects of dichloromethane leaf extracts of Gnidia glauca on cognitive function in the high-fat diet- (HFD-) induced obese rats. Obesity was induced by feeding the rats with prepared HFD and water ad libitum for 6 weeks. The in vivo antiobesity effects were determined by oral administration of G. glauca at dosage levels of 200, 250, and 300 mg/kg body weight in HFD-induced obese rats from the 6th to the 12th weeks. The Lee obesity index was used as a diagnostic criterion of obesity. The Morris water maze was employed to test spatial learning and memory retention in rats. The results indicated that Gnidia glauca showed potent antiobesity effects as indicated in the reduction of body weight and obesity index in extract-treated rats. Moreover, Gnidia glauca exhibited cognitive-enhancing effects in obese rats. The positive influences on cognitive functions might be attributed to the extracts' phytochemicals that have been suggested to confer protection against obesity-induced oxidative damage, reduction of central inflammation, and increased neurogenesis. The therapeutic effects observed suggest that Gnidia glauca might be an alternative to current medications for the symptomatic complications of obesity, such as learning and memory loss. Further studies are therefore needed to establish its toxicity profiles.
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Affiliation(s)
- Wycliffe Makori Arika
- Department of Biochemistry, Microbiology and Biotechnology, School of Pure and Applied Sciences, Kenyatta University, P.O. Box 43844-00100, Nairobi, Kenya
| | - Cromwell Mwiti Kibiti
- Department of Pure and Applied Sciences, Technical University of Mombasa, P.O. Box 90420-80100, Mombasa, Kenya
| | - Joan Murugi Njagi
- Department of Environmental and Occupational Health, School of Environmental Sciences, Kenyatta University, P.O. Box 43844-00100, Nairobi, Kenya
| | - Mathew Piero Ngugi
- Department of Biochemistry, Microbiology and Biotechnology, School of Pure and Applied Sciences, Kenyatta University, P.O. Box 43844-00100, Nairobi, Kenya
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21
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Therapeutic potential of naringin in neurological disorders. Food Chem Toxicol 2019; 132:110646. [PMID: 31252025 DOI: 10.1016/j.fct.2019.110646] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 05/26/2019] [Accepted: 06/23/2019] [Indexed: 12/23/2022]
Abstract
Neurological illnesses are multifactorial incurable debilitating disorders that may cause neurodegeneration. These diseases influence approximately 30 million people around the world. Despite several therapies, effective management of such disorders remains a global challenge. Thus, natural products might offer an alternative therapy for the treatment of various neurological disorders. Polyphenols, such as curcumin, resveratrol, myricetin, mangiferin and naringin (NRG) have been shown to possess promising potential in the treatment of neurogenerative illness. In this review, we have targeted the therapeutic potential of naringin as a neuroprotective agent. The overall neuroprotective effects and different possible underlying mechanisms related to NRG are discussed. In light of the strong evidence for the neuropharmacological efficacy of NRG in various experimental paradigms, it is concluded that this molecule should be further considered and studied as a potential candidate for neurotherapeutics, focusing on mechanistic and clinical trials to ascertain its efficacy.
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22
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Effects and Underlying Mechanisms of Bioactive Compounds on Type 2 Diabetes Mellitus and Alzheimer's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8165707. [PMID: 30800211 PMCID: PMC6360036 DOI: 10.1155/2019/8165707] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 10/15/2018] [Accepted: 10/24/2018] [Indexed: 01/11/2023]
Abstract
Type 2 diabetes mellitus is a complicated metabolic disorder characterized by hyperglycemia and glucose intolerance. Alzheimer's disease is a progressive brain disorder characterized by a chronic loss of cognitive and behavioral function. Considering the shared characteristics of both diseases, common therapeutic and preventive agents may be effective. Bioactive compounds such as polyphenols, vitamins, and carotenoids found in vegetables and fruits can have antioxidant and anti-inflammatory effects. These effects make them suitable candidates for the prevention or treatment of diabetes and Alzheimer's disease. Increasing evidence from cell or animal models suggest that bioactive compounds may have direct effects on decreasing hyperglycemia, enhancing insulin secretion, and preventing formation of amyloid plaques. The possible underlying molecular mechanisms are described in this review. More studies are needed to establish the clinical effects of bioactive compounds.
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Sui GG, Xiao HB, Lu XY, Sun ZL. Naringin Activates AMPK Resulting in Altered Expression of SREBPs, PCSK9, and LDLR To Reduce Body Weight in Obese C57BL/6J Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:8983-8990. [PMID: 30092639 DOI: 10.1021/acs.jafc.8b02696] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Previous investigations have shown molecular cross-talk among activated adenosine monophosphate-activated protein kinase (AMPK), proprotein convertase subtilisin/kexin type 9 (PCSK9), sterol regulatory element-binding proteins (SREBPs), and low-density lipoprotein receptor (LDLR) and that it may be an innovative pharmacologic objective for treating obesity. We scrutinized the beneficial effect of naringin, a flavanone-7- O-glycoside, on obesity and the mechanisms in the present study. We arbitrarily divided 50 mice into five groups ( n = 10): 25 or 50 or 100 mg/kg/day naringin-treated obese mice (gavage for 8 weeks), untreated obese mice, and C57BL/6J control. After 8 weeks, body weight was 51.8 ± 4.4 in the untreated obese mice group, while the weights were 41.4 ± 4.1, 34.6 ± 2.2, and 28.0 ± 2.3 in 25, 50,100 mg/kg naringin groups, respectively. Moreover, naringin treatment significantly decreased plasma 8-isoprostane (an indicator of the oxidative stress) level, fat weight, liver weight, hepatic total cholesterol concentration, hepatic triglyceride concentration, plasma leptin level, plasma insulin content, plasma low-density lipoprotein cholesterol level, and plasma PCSK9 production concomitantly with down-regulated expression of SREBP-2, PCSK9, and SREBP-1, and up-regulated expression of p-AMPKα and LDLR. The present results suggest that naringin activates AMPK resulting in altered expression of SREBPs, PCSK9, and LDLR to reduce the body weight of obese C57BL/6J mice.
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Affiliation(s)
- Guo-Guang Sui
- College of Veterinary Medicine , Hunan Agricultural University , Changsha 410128 , China
| | - Hong-Bo Xiao
- College of Veterinary Medicine , Hunan Agricultural University , Changsha 410128 , China
| | - Xiang-Yang Lu
- Hunan Province University Key Laboratory for Agricultural Biochemistry and Biotransformation , Hunan Agricultural University , Changsha 410128 , China
- Hunan Co-Innovation Center for Ultilization of Botanical Functional Ingredients , Changsha 410128 , China
| | - Zhi-Liang Sun
- Hunan Engineering Research Center of Veterinary Drug , Changsha 410128 , China
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24
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Zhang L, Sun C, Jin Y, Gao K, Shi X, Qiu W, Ma C, Zhang L. Dickkopf 3 (Dkk3) Improves Amyloid-β Pathology, Cognitive Dysfunction, and Cerebral Glucose Metabolism in a Transgenic Mouse Model of Alzheimer’s Disease. J Alzheimers Dis 2017; 60:733-746. [DOI: 10.3233/jad-161254] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Li Zhang
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College, Beijing, China
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, China
| | - Caixian Sun
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College, Beijing, China
| | - Yaxi Jin
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College, Beijing, China
| | - Kai Gao
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College, Beijing, China
| | - Xudong Shi
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College, Beijing, China
| | - Wenying Qiu
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, China
- Department of Human Anatomy, Histology and Embryology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Chao Ma
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, China
- Department of Human Anatomy, Histology and Embryology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Lianfeng Zhang
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College, Beijing, China
- Neuroscience Center, Chinese Academy of Medical Sciences, Beijing, China
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25
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Viswanatha GL, Shylaja H, Moolemath Y. The beneficial role of Naringin- a citrus bioflavonoid, against oxidative stress-induced neurobehavioral disorders and cognitive dysfunction in rodents: A systematic review and meta-analysis. Biomed Pharmacother 2017; 94:909-929. [PMID: 28810519 DOI: 10.1016/j.biopha.2017.07.072] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/04/2017] [Accepted: 07/17/2017] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVES Naringin is a bioflavonoid, very abundantly found in citrus species. In literature, naringin has been scientifically well documented for its beneficial effects in various neurological disorders. In this systematic review and meta-analysis, we have made an attempt to correlate the protective role of naringin against oxidative stress-induced neurological disorders in rodents. METHODS The systematic search was performed using electronic databases; the search was mainly focused on the role of naringin in oxidative stress-induced neuropathological conditions in rodents. While, the meta-analysis was performed on the effect of naringin on oxidative stress markers [superoxide dismutase (SOD), catalase (CAT), glutathione-S-transferase (GST), reduced glutathione (GSH), lipid peroxidation (LPO)], nitrite, mitochondrial complexes (I to IV) and enzymes (acetylcholinesterase, Na+-K+-ATPase, Ca2+-ATPase, and Mg2+-ATPase) in the rodent brain. The data was analyzed using Review Manager Software. THE RESULTS Based on the inclusion and exclusion criteria, twenty studies were selected. The meta-analysis revealed that, naringin could significantly inhibit various physical and chemical stimuli- induced neurological perturbances in the rodent brain, mediated through oxidative stress. Further, naringin also significantly restored the levels of all the oxidative stress markers (oxidative, nitrosative, enzymes, and mitochondrial complexes) in different parts of the rodent brain. SUMMARY This systematic review and meta-analysis supports the available scientific evidence on the beneficial role of naringin in the management of various neurological ailments. However, further studies involving human subjects is recommended to establish the safety and therapeutic efficacy in humans.
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Affiliation(s)
| | - H Shylaja
- Independent Researcher, Kengeri, Bangalore, 560060, Karnataka, India
| | - Yogananda Moolemath
- Vittarthaa Life Sciences, Bommasandra Industrial Area, Bangalore, 560099, Karnataka, India
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26
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Agostinelli C, Carloni S, Limarzi F, Righi S, Laginestra MA, Musuraca G, Fiorentino M, Napolitano R, Cuneo A, Vergara D, Zinzani PL, Sabattini E, Pileri SA, De Matteis S. The emerging role of GSK-3β in the pathobiology of classical Hodgkin lymphoma. Histopathology 2017; 71:72-80. [PMID: 28208230 DOI: 10.1111/his.13189] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 01/09/2017] [Accepted: 02/14/2017] [Indexed: 02/06/2023]
Abstract
AIMS Glycogen synthase kinase-3 beta (GSK-3β) is a serine/threonine kinase involved in glycogen metabolism, cell cycle progression, differentiation, embryogenesis, migration, metabolism, survival and cellular senescence. Its main biological function is to inhibit β-catenin by sequestration and promotion of its proteasomal degradation in the Wnt canonical pathway; however, GSK-3β interacts with multiple signalling pathways, and aberrant expression of the enzyme was reported in many solid neoplasms. This study aimed to investigate the biological relevance of GSK-3β in classical Hodgkin lymphomas (cHL). METHODS AND RESULTS We analysed the functional status of GSK-3β enzyme in cHL by using antibodies raised against fixation-resistant epitopes of phospho Y216 GSK-3β (active form), phospho S9 GSK-3β (inactive form) and β-catenin protein. We first detected the pY216 GSK-3β active form of the enzyme in 100 of 100 (100%) of the cases, and in line with the latter expression profile, the β-catenin protein was found in only 12 of 100 (12%) of the samples. As reported previously in bladder cancer, pancreatic adenocarcinoma and chronic lymphocytic leukaemia, we showed an aberrant nuclear localization in the neoplastic clone of active pY216 GSK-3β in 78 of 100 (78%) of cHL cases. CONCLUSIONS We demonstrated the activation of GSK-3β in cHL resulting in inhibition of the Wnt/β-catenin signal cascade and the aberrant accumulation of its activated form in nuclei of Hodgkin Reed-Sternberg and Hodgkin cells. These findings may be relevant for future clinical studies, identifying GSK-3β as a potential therapeutic target for cHL.
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Affiliation(s)
- Claudio Agostinelli
- Hematopathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology 'L. e A. Seragnoli', University of Bologna, Bologna, Italy
| | - Silvia Carloni
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCCS, Meldola, Italy
| | - Francesco Limarzi
- Hematopathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology 'L. e A. Seragnoli', University of Bologna, Bologna, Italy
| | - Simona Righi
- Hematopathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology 'L. e A. Seragnoli', University of Bologna, Bologna, Italy
| | - Maria Antonella Laginestra
- Hematopathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology 'L. e A. Seragnoli', University of Bologna, Bologna, Italy
| | - Gerardo Musuraca
- Hematology Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCCS, Meldola, Italy
| | - Michelangelo Fiorentino
- Pathology Service, Addarii Institute of Oncology, S-Orsola-Malpighi Hospital, Bologna, Italy
| | - Roberta Napolitano
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCCS, Meldola, Italy
| | - Antonio Cuneo
- Department of Medical Sciences, University of Ferrara-Arcispedale Sant'Anna, Ferrara, Italy
| | - Daniele Vergara
- Laboratory of Clinical Proteomic, 'Giovanni Paolo II' Hospital, ASL-Lecce, Italy
| | - Pier Luigi Zinzani
- Hemathology Section, Department of Experimental, Diagnostic and Specialty Medicine, Bologna University School of Medicine, Bologna, Italy
| | - Elena Sabattini
- Hematopathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Institute of Hematology 'L. e A. Seragnoli', University of Bologna, Bologna, Italy
| | - Stefano A Pileri
- Professor Alma Mater Bologna University, Bologna, Italy.,Hematopathology Unit, European Institute of Oncology, Milan, Italy
| | - Serena De Matteis
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCCS, Meldola, Italy
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Wang H, Xu YS, Wang ML, Cheng C, Bian R, Yuan H, Wang Y, Guo T, Zhu LL, Zhou H. Protective effect of naringin against the LPS-induced apoptosis of PC12 cells: Implications for the treatment of neurodegenerative disorders. Int J Mol Med 2017; 39:819-830. [PMID: 28260042 PMCID: PMC5360435 DOI: 10.3892/ijmm.2017.2904] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 02/10/2017] [Indexed: 01/01/2023] Open
Abstract
Several studies have demonstrated that increased apoptosis plays an essential role in neurodegenerative disorders. It has been demonstrated that lipopolysaccharide (LPS) induces apoptosis largely through the production of intracellular reactive oxygen species (ROS) and inflammatory mediators. In this study, we investigated the potential protective mechanisms of naringin (Nar), a pummelo peel extract, on LPS-induced PC12 cell apoptosis. Nar pre-conditioning prior to stimulation with LPS for 18 h was a prerequisite for evaluating PC12 cell viability and the protective mechanisms of Nar. Nar significantly improved cell survival in a time- and concentration-dependent manner. On the one hand, Nar downregulated cytochrome P450 2E1 (CYP2E1), inhibited the release of ROS, mitigated the stimulation of oxidative stress, and rectified the antioxidant protein contents of nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), superoxide dismutase (SOD)2 and glutathione synthetase (GSS). On the other hand, Nar down-regulated inflammatory gene and protein expression, including interleukin (IL)-1β, IL-6, tumor necrosis factor (TNF)-α, HMGB1, high mobility group box 1 protein (HMGB1), cyclo-oxygenase-2 (COX-2), the Toll-like receptor 4 (TLR4)-myeloid differentiation factor 88 (MyD88)-TNF receptor-associated factor 6 (TRAF6) path way and downstream mitogen activated protein kinase (MAPK) phosphorylation, activator protein transcription factor-1 (AP-1) and nuclear factor (NF)-κB. Moroever, Nar markedly attenuated the cytochrome c shift from the mitochondria to the cytosol and regulated caspase-3-related protein expression. To the best of our knowledge, this is the first study to report the antioxidant, anti-inflammatory and anti-apoptotic effects of Nar in neuronal-like PC12 cells. These results suggest that Nar can be utilized as a potential drug for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Hui Wang
- Department of Neurosurgery, Traffic Hospital of Shandong Province, Jinan, Shandong 250031, P.R. China
| | - You Song Xu
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Miao Lin Wang
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Chao Cheng
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Rui Bian
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Hao Yuan
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Yi Wang
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Ting Guo
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Lin Lin Zhu
- Department of Neurosurgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Hang Zhou
- Department of Neurosurgery, The 2nd Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116027, P.R. China
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Rong W, Pan YW, Cai X, Song F, Zhao Z, Xiao SH, Zhang C. The mechanism of Naringin-enhanced remyelination after spinal cord injury. Neural Regen Res 2017; 12:470-477. [PMID: 28469664 PMCID: PMC5399727 DOI: 10.4103/1673-5374.202923] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Our previous study revealed that intragastric administration of naringin improved remyelination in rats with spinal cord injury and promoted the recovery of neurological function of the injured spinal cord. This study sought to reveal the mechanisms by which naringin improves oligodendrocyte precursor cell differentiation and maturation, and promotes remyelination. Spinal cord injury was induced in rats by the weight-drop method. Naringin was intragastrically administered daily (20, 40 mg/kg) for 4 weeks after spinal cord injury induction. Behavioral assessment, histopathological staining, immunofluorescence spectroscopy, ultrastructural analysis and biochemical assays were employed. Naringin treatment remarkably mitigated demyelination in the white matter, increased the quality of myelinated nerve fibers and myelin sheath thickness, promoted oligodendrocyte precursor cell differentiation by upregulating the expression of NKx2.2 and 2′3′-cyclic nucleotide 3′-phosphodiesterase, and inhibited β-catenin expression and glycogen synthase kinase-3β (GSK-3β) phosphorylation. These findings indicate that naringin treatment regulates oligodendrocyte precursor cell differentiation and promotes remyelination after spinal cord injury through the β-catenin/GSK-3β signaling pathway.
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Affiliation(s)
- Wei Rong
- Department of Orthopedics, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing Key Laboratory of Bioelectromagnetism, Beijing, China
| | - Yong-Wei Pan
- Department of Orthopedics, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing Key Laboratory of Bioelectromagnetism, Beijing, China
| | - Xu Cai
- Department of Orthopedics, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing Key Laboratory of Bioelectromagnetism, Beijing, China
| | - Fei Song
- Department of Orthopedics, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing Key Laboratory of Bioelectromagnetism, Beijing, China
| | - Zhe Zhao
- Department of Orthopedics, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing Key Laboratory of Bioelectromagnetism, Beijing, China
| | - Song-Hua Xiao
- Department of Orthopedics, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing Key Laboratory of Bioelectromagnetism, Beijing, China
| | - Cheng Zhang
- Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China
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Gardener SL, Rainey-Smith SR, Martins RN. Diet and Inflammation in Alzheimer's Disease and Related Chronic Diseases: A Review. J Alzheimers Dis 2016; 50:301-34. [PMID: 26682690 DOI: 10.3233/jad-150765] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Inflammation is one of the pathological features of the neurodegenerative disease, Alzheimer's disease (AD). A number of additional disorders are likewise associated with a state of chronic inflammation, including obesity, cardiovascular disease, and type-2 diabetes, which are themselves risk factors for AD. Dietary components have been shown to modify the inflammatory process at several steps of the inflammatory pathway. This review aims to evaluate the published literature on the effect of consumption of pro- or anti-inflammatory dietary constituents on the severity of both AD pathology and related chronic diseases, concentrating on the dietary constituents of flavonoids, spices, and fats. Diet-based anti-inflammatory components could lead to the development of potent novel anti-inflammatory compounds for a range of diseases. However, further work is required to fully characterize the therapeutic potential of such compounds, including gaining an understanding of dose-dependent relationships and limiting factors to effectiveness. Nutritional interventions utilizing anti-inflammatory foods may prove to be a valuable asset in not only delaying or preventing the development of age-related neurodegenerative diseases such as AD, but also treating pre-existing conditions including type-2 diabetes, cardiovascular disease, and obesity.
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Affiliation(s)
- Samantha L Gardener
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical Sciences, Edith Cowan University, Perth, Australia.,Sir James McCusker Alzheimer's Disease Research Unit (Hollywood Private Hospital), Perth, Australia
| | - Stephanie R Rainey-Smith
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical Sciences, Edith Cowan University, Perth, Australia.,Sir James McCusker Alzheimer's Disease Research Unit (Hollywood Private Hospital), Perth, Australia
| | - Ralph N Martins
- Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical Sciences, Edith Cowan University, Perth, Australia.,Sir James McCusker Alzheimer's Disease Research Unit (Hollywood Private Hospital), Perth, Australia
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30
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Kim SR. Control of Granule Cell Dispersion by Natural Materials Such as Eugenol and Naringin: A Potential Therapeutic Strategy Against Temporal Lobe Epilepsy. J Med Food 2016; 19:730-6. [PMID: 27404051 DOI: 10.1089/jmf.2016.3712] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The hippocampus is an important brain area where abnormal morphological characteristics are often observed in patients with temporal lobe epilepsy (TLE), typically showing the loss of the principal neurons in the CA1 and CA3 areas of the hippocampus. TLE is frequently associated with widening of the granule cell layer of the dentate gyrus (DG), termed granule cell dispersion (GCD), in the hippocampus, suggesting that the control of GCD with protection of hippocampal neurons may be useful for preventing and inhibiting epileptic seizures. We previously reported that eugenol (EUG), which is an essential component of medicinal herbs and has anticonvulsant activity, is beneficial for treating epilepsy through its ability to inhibit GCD via suppression of mammalian target of rapamycin complex 1 (mTORC1) activation in the hippocampal DG in a kainic acid (KA)-treated mouse model of epilepsy in vivo. In addition, we reported that naringin, a bioflavonoid in citrus fruits, could exert beneficial effects, such as antiautophagic stress and antineuroinflammation, in the KA mouse model of epilepsy, even though it was unclear whether naringin might also attenuate the seizure-induced morphological changes of GCD in the DG. Similar to the effects of EUG, we recently observed that naringin treatment significantly reduced KA-induced GCD and mTORC1 activation, which are both involved in epileptic seizures, in the hippocampus of mouse brain. Therefore, these observations suggest that the utilization of natural materials, which have beneficial properties such as inhibition of GCD formation and protection of hippocampal neurons, may be useful in developing a novel therapeutic agent against TLE.
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Affiliation(s)
- Sang Ryong Kim
- 1 School of Life Sciences, Kyungpook National University , Daegu, Korea.,2 BK21 plus KNU Creative BioResearch Group, Kyungpook National University , Daegu, Korea.,3 Brain Science and Engineering Institute, Kyungpook National University , Daegu, Korea
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31
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Yang N, Ren Z, Zheng J, Feng L, Li D, Gao K, Zhang L, Liu Y, Zuo P. 5-(4-hydroxy-3-dimethoxybenzylidene)-rhodanine (RD-1)-improved mitochondrial function prevents anxiety- and depressive-like states induced by chronic corticosterone injections in mice. Neuropharmacology 2016; 105:587-593. [DOI: 10.1016/j.neuropharm.2016.02.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 02/22/2016] [Accepted: 02/23/2016] [Indexed: 01/05/2023]
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Naringin Attenuates Autophagic Stress and Neuroinflammation in Kainic Acid-Treated Hippocampus In Vivo. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:354326. [PMID: 26124853 PMCID: PMC4466392 DOI: 10.1155/2015/354326] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 05/27/2015] [Indexed: 01/21/2023]
Abstract
Kainic acid (KA) is well known as a chemical compound to study epileptic seizures and neuronal excitotoxicity. KA-induced excitotoxicity causes neuronal death by induction of autophagic stress and microglia-derived neuroinflammation, suggesting that the control of KA-induced effects may be important to inhibit epileptic seizures with neuroprotection. Naringin, a flavonoid in grapefruit and citrus fruits, has anti-inflammatory and antioxidative activities, resulting in neuroprotection in animal models from neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease. In the present study, we examined its beneficial effects involved in antiautophagic stress and antineuroinflammation in the KA-treated hippocampus. Our results showed that naringin treatment delayed the onset of KA-induced seizures and decreased the occurrence of chronic spontaneous recurrent seizures (SRS) in KA-treated mice. Moreover, naringin treatment protected hippocampal CA1 neurons in the KA-treated hippocampus, ameliorated KA-induced autophagic stress, confirmed by the expression of microtubule-associated protein light chain 3 (LC3), and attenuated an increase in tumor necrosis factor-α (TNFα) in activated microglia. These results suggest that naringin may have beneficial effects of preventing epileptic events and neuronal death through antiautophagic stress and antineuroinflammation in the hippocampus in vivo.
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Wang D, Yan J, Chen J, Wu W, Zhu X, Wang Y. Naringin Improves Neuronal Insulin Signaling, Brain Mitochondrial Function, and Cognitive Function in High-Fat Diet-Induced Obese Mice. Cell Mol Neurobiol 2015; 35:1061-71. [PMID: 25939427 DOI: 10.1007/s10571-015-0201-y] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 04/24/2015] [Indexed: 12/20/2022]
Abstract
The epidemic and experimental studies have confirmed that the obesity induced by high-fat diet not only caused neuronal insulin resistance, but also induced brain mitochondrial dysfunction as well as learning impairment in mice. Naringin has been reported to posses biological functions which are beneficial to human cognitions, but its protective effects on HFD-induced cognitive deficits and underlying mechanisms have not been well characterized. In the present study Male C57BL/6 J mice were fed either a control or high-fat diet for 20 weeks and then randomized into four groups treated with their respective diets including control diet, control diet + naringin, high-fat diet (HFD), and high-fat diet + naringin (HFDN). The behavioral performance was assessed by using novel object recognition test and Morris water maze test. Hippocampal mitochondrial parameters were analyzed. Then the protein levels of insulin signaling pathway and the AMP-activated protein kinase (AMPK) in the hippocampus were detected by Western blot method. Our results showed that oral administration of naringin significantly improved the learning and memory abilities as evidenced by increasing recognition index by 52.5% in the novel object recognition test and inducing a 1.05-fold increase in the crossing-target number in the probe test, and ameliorated mitochondrial dysfunction in mice caused by HFD consumption. Moreover, naringin significantly enhanced insulin signaling pathway as indicated by a 34.5% increase in the expression levels of IRS-1, a 47.8% decrease in the p-IRS-1, a 1.43-fold increase in the p-Akt, and a 1.89-fold increase in the p-GSK-3β in the hippocampus of the HFDN mice versus HFD mice. Furthermore, the AMPK activity significantly increased in the naringin-treated (100 mg kg(-1) d(-1)) group. These findings suggest that an enhancement in insulin signaling and a decrease in mitochondrial dysfunction through the activation of AMPK may be one of the mechanisms that naringin improves cognitive functions in HFD-induced obese mice.
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Affiliation(s)
- Dongmei Wang
- Department of Pathogen Biology, Medical College, Henan University of Science and Technology, No.6, Anhui Road, Jianxi District, Luoyang, 471003, China.
| | - Junqiang Yan
- Department of Neurology, The First Affiliated Hospital of Henan University of Science and Technology, Jinghua Road 24, Luoyang, 471003, China
| | - Jing Chen
- Department of Neurology, The Second Affiliated Hospital of Zhengzhou University, Jingba Road 2, Zhengzhou, 450014, China
| | - Wenlan Wu
- Department of Pathogen Biology, Medical College, Henan University of Science and Technology, No.6, Anhui Road, Jianxi District, Luoyang, 471003, China
| | - Xiaoying Zhu
- Department of Pathogen Biology, Medical College, Henan University of Science and Technology, No.6, Anhui Road, Jianxi District, Luoyang, 471003, China
| | - Yong Wang
- Department of Pathogen Biology, Medical College, Henan University of Science and Technology, No.6, Anhui Road, Jianxi District, Luoyang, 471003, China
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Xian-hui D, Wei-juan G, Tie-mei S, Hong-lin X, Jiang-tao B, Jing-yi Z, Xi-qing C. Age-related changes of brain iron load changes in the frontal cortex in APPswe/PS1ΔE9 transgenic mouse model of Alzheimer's disease. J Trace Elem Med Biol 2015; 30:118-23. [PMID: 25575693 DOI: 10.1016/j.jtemb.2014.11.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Revised: 11/24/2014] [Accepted: 11/26/2014] [Indexed: 10/24/2022]
Abstract
Alzheimer's disease (AD) as a neurodegenerative brain disorder is a devastating pathology leading to disastrous cognitive impairments and dementia, associated with major social and economic costs to society. Iron can catalyze damaging free radical reactions. With age, iron accumulates in brain frontal cortex regions and may contribute to the risk of AD. In this communication, we investigated the age-related brain iron load changes in the frontal cortex of 6- and 12-month-old C57BL/6J (C57) and APPswe/PS1ΔE9 (APP/PS1) double transgenic mouse by using graphite furnace atomic absorption spectrometry (GFAAS) and Perls' reaction. In the present study, we also evaluated the age-related changes of DMT1 and FPN1 by using Western blot and qPCR. We found that compared with 6-month-old APP/PS1 mice and the 12-month-old C57 mice, the 12-month-old APP/PS1 mice had increased iron load in the frontal cortex. The levels of DMT1 were significantly increased and the FPN1 were significantly reduced in the frontal cortex of the 12-month-old APP/PS1 mice than that in the 6-month-old APP/PS1 mice and 12-month-old C57 mice. We conclude that in AD damage occurs in conjunction with iron accumulation, and the brain iron load associated with loss control of the brain iron metabolism related protein DMT1 and FPN1 expressions.
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Affiliation(s)
- Dong Xian-hui
- Department of Neurology, the First Hospital of Hebei Medical University, Shijiazhuang 050000, China; Chengde Medical University, Chengde 067000, China
| | - Gao Wei-juan
- Hebei University of Chinese Medicine, Shijiazhuang 050000, China
| | - Shao Tie-mei
- Hebei Chemical and Pharmaceutical College, Shijiazhuang 050000, China
| | - Xie Hong-lin
- Chengde Medical University, Chengde 067000, China
| | | | - Zhao Jing-yi
- Chengde Medical University, Chengde 067000, China
| | - Chai Xi-qing
- Department of Neurology, the First Hospital of Hebei Medical University, Shijiazhuang 050000, China; Hebei Chemical and Pharmaceutical College, Shijiazhuang 050000, China.
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Electrochemical enzymeless detection of superoxide employing naringin–copper decorated electrodes. Biosens Bioelectron 2014; 59:134-9. [DOI: 10.1016/j.bios.2014.03.029] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 03/10/2014] [Accepted: 03/12/2014] [Indexed: 01/03/2023]
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Wang D, Liu L, Zhu X, Wu W, Wang Y. Hesperidin Alleviates Cognitive Impairment, Mitochondrial Dysfunction and Oxidative Stress in a Mouse Model of Alzheimer’s Disease. Cell Mol Neurobiol 2014; 34:1209-21. [DOI: 10.1007/s10571-014-0098-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Accepted: 08/06/2014] [Indexed: 01/02/2023]
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Wang S, Yu Y, Geng S, Wang D, Zhang L, Xie X, Wu B, Li C, Xu H, Li X, Hu Y, Zhang L, Kaether C, Wang B. A coimmunization vaccine of Aβ42 ameliorates cognitive deficits without brain inflammation in an Alzheimer's disease model. ALZHEIMERS RESEARCH & THERAPY 2014; 6:26. [PMID: 24987466 PMCID: PMC4075150 DOI: 10.1186/alzrt256] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 04/07/2014] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Vaccination against amyloid-β protein (Aβ42) induces high levels of antibody, making it a promising strategy for treating Alzheimer's disease (AD). One drawback in the past was that clinical trial approval was withheld because of speculation that the Aβ42 vaccine induces CD4(+) T cell infiltrations into the central nervous system. To reduce T-cell activation while concomitantly maintaining high anti-Aβ42 titers is a great challenge in immunology. METHODS We aimed to demonstrate that coimmunization with Aβ42 protein and expression plasmid can be beneficial in a mouse AD model and can prevent inflammation. We immunized the AD mice with the coimmunization vaccine and assessed behavior change and Aβ42 deposition. Furthermore, to determine the safety of the coimmunization vaccine, we used an induced Aβ42-EAE model to mimic the meningoencephalitis that happened in the AN-1792 vaccine clinical phase II trial and tested whether the coimmunization vaccine could ameliorate T-cell-mediated brain inflammation. RESULTS The coimmunization vaccination reduced Aβ plaques and significantly ameliorated cognitive deficit while inhibiting T-cell-mediated brain inflammation and infiltration. These studies demonstrate that the coimmunization strategy that we describe in this article can ameliorate AD pathology without notable adverse effects in mice. CONCLUSIONS A coimmunization strategy leading to the development of a safe immunotherapeutic/preventive protocol against AD in humans is warranted.
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Affiliation(s)
- Shuang Wang
- Key Laboratory of Medical Molecular Virology of MOH and MOE, Fudan University Shanghai Medical College, 131 Dong An Road, Shanghai 200032, China ; State Key Laboratory for Agro-Biotechnology and College of Biologic Sciences, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yang Yu
- State Key Laboratory for Agro-Biotechnology and College of Biologic Sciences, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China ; Present address: MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shuang Geng
- Key Laboratory of Medical Molecular Virology of MOH and MOE, Fudan University Shanghai Medical College, 131 Dong An Road, Shanghai 200032, China
| | - Dongmei Wang
- Chinese Academy of Medical Sciences & Comparative Medical Center, 5 South Panjiayuan, Beijing 100021, China
| | - Li Zhang
- Chinese Academy of Medical Sciences & Comparative Medical Center, 5 South Panjiayuan, Beijing 100021, China
| | - Xiaoping Xie
- State Key Laboratory for Agro-Biotechnology and College of Biologic Sciences, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Bing Wu
- State Key Laboratory for Agro-Biotechnology and College of Biologic Sciences, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Chaofan Li
- Key Laboratory of Medical Molecular Virology of MOH and MOE, Fudan University Shanghai Medical College, 131 Dong An Road, Shanghai 200032, China
| | - Hanqian Xu
- State Key Laboratory for Agro-Biotechnology and College of Biologic Sciences, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Xiaolin Li
- Institute for Age Research, Fritz Lipmann Institute, Beutenbergstraße 11, Jena D-07745, Germany
| | - Yanxin Hu
- Department of Pathology, College of Veterinary Medicine, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Lianfeng Zhang
- Chinese Academy of Medical Sciences & Comparative Medical Center, 5 South Panjiayuan, Beijing 100021, China
| | - Christoph Kaether
- Institute for Age Research, Fritz Lipmann Institute, Beutenbergstraße 11, Jena D-07745, Germany
| | - Bin Wang
- Key Laboratory of Medical Molecular Virology of MOH and MOE, Fudan University Shanghai Medical College, 131 Dong An Road, Shanghai 200032, China
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Hu CY, Zhao YT. Analgesic effects of naringenin in rats with spinal nerve ligation-induced neuropathic pain. Biomed Rep 2014; 2:569-573. [PMID: 24944810 DOI: 10.3892/br.2014.267] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 03/25/2014] [Indexed: 01/01/2023] Open
Abstract
Naringenin, a flavonoid abundant in citrus fruits, such as grapefruits, has been reported to possess anti-inflammatory properties. The present study aimed to investigate the analgesic potential of naringenin in L5 spinal nerve ligation (SNL)-induced peripheral neuropathic pain and the underlying mechanisms associated with neuroinflammation. Different doses of naringenin or saline were administered intrathecally once daily for 11 consecutive days, from 3 days prior to surgery to 7 days after surgery. Pain development was assessed 1 day prior to and 7-14 days after surgery in terms of mechanical withdrawal threshold and thermal withdrawal latency. Astrocytic and microglial activation and production of inflammatory mediators were determined on day 14 after surgery. The results demonstrated that naringenin dose-dependently attenuated the mechanical allodynia and thermal hyperalgesia induced by SNL. Furthermore, naringenin significantly inhibited SNL-induced activation of glial cells (astrocytes and microglia). Morover, the upregulated expression of inflammatory mediators in neuropathic pain was significantly inhibited by naringenin. Our findings suggested that repeated administration of naringenin may alleviate neuropathic pain, possibly through inhibiting neuroinflammation.
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Affiliation(s)
- Chuan Yin Hu
- Department of Biology, Guangdong Medical College, Zhanjiang, Guangdong 524023, P.R. China
| | - Yun-Tao Zhao
- Modern Biochemistry Center, Guangdong Ocean University, Zhanjiang, Guangdong 524088, P.R. China
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Ozyürek M, Akpınar D, Bener M, Türkkan B, Güçlü K, Apak R. Novel oxime based flavanone, naringin-oxime: synthesis, characterization and screening for antioxidant activity. Chem Biol Interact 2014; 212:40-6. [PMID: 24508591 DOI: 10.1016/j.cbi.2014.01.017] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 12/03/2013] [Accepted: 01/29/2014] [Indexed: 12/30/2022]
Abstract
Recent interest in polyphenolic antioxidants due to their involvement in health benefits has led to the investigation of new polyphenolic compounds with enhanced antioxidant activity. Naringin (4',5,7-trihydroxyflavanone-7-β-l-rhamnoglucoside-(1,2)-α-d-glucopyranoside) is one of the major flavanones in citrus and grapefruit. The present study aimed to synthesize naringin oxime from naringin and to evaluate its antioxidant and anticancer potential using in vitro assay system. The structure of the synthesized compound, naringin oxime, was elucidated by FT-IR, (1)H NMR, elemental analysis and UV-vis spectroscopy. Antioxidant capacity of naringin oxime, as measured by the cupric reducing antioxidant capacity (CUPRAC) method, was found to be higher than that of the parent compound naringin. Other parameters of antioxidant activity (scavenging effects on OH, O2(-), and H2O2) of naringin and naringin oxime were also determined.
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Affiliation(s)
- Mustafa Ozyürek
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, Istanbul, Turkey.
| | - Damla Akpınar
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, Istanbul, Turkey
| | - Mustafa Bener
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, Istanbul, Turkey
| | - Baki Türkkan
- Department of Chemistry, Faculty of Science and Letters, Harran University, Osmanbey, Şanlıurfa, Turkey
| | - Kubilay Güçlü
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, Istanbul, Turkey
| | - Reşat Apak
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, Istanbul, Turkey
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Wang D, Li X, Gao K, Lu D, Zhang X, Ma C, Ye F, Zhang L. Cardiotrophin-1 (CTF1) ameliorates glucose-uptake defects and improves memory and learning deficits in a transgenic mouse model of Alzheimer's disease. Pharmacol Biochem Behav 2013; 107:48-57. [PMID: 23541490 DOI: 10.1016/j.pbb.2013.03.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2012] [Revised: 02/28/2013] [Accepted: 03/07/2013] [Indexed: 12/25/2022]
Abstract
Cardiotrophin-1 (CTF1) has been reported to act as a trophic factor for a few neurons, such as sensory, cholinergic, dopaminergic, motor and cortical neurons. Studies have indicated that CTF1 delays degenerative disease progression in motor neuron disease. However, little is known about the effects of CTF1 on degenerative disease in the brain. We have shown that expression of CTF1 is strongly down-regulated in the brain of the APPswe/PS1dE9 transgenic mouse model of Alzheimer's disease (AD). Transgenic mice with brain tissue-specific CTF1 expression alone or in combination with APPswe/PS1dE9 transgenic mice were produced to study the effects of CTF1 on AD. CTF1 expressing APPswe/PS1dE9 transgenic mice exhibited improvements in learning and memory, less severe abnormalities in locomotor activity, reduced scattered senile plaques and ameliorated disturbances of brain energy metabolism compared to APPswe/PS1dE9 transgenic mice. Furthermore, CTF1 inhibited the activity of glycogen synthase kinase-3β (GSK-3β) in SH-SY5Y cell line and in the brain tissues of APPswe/PS1dE9 transgenic mice. The transgenic expression of CTF1 compensated for the loss of CTF1 expression and brought about a marked improvement on cognitive functioning in the APPswe/PS1dE9 transgenic mouse model of Alzheimer's disease, suggesting that the inhibition of GSK-3β activity might play an important role.
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Affiliation(s)
- Dongmei Wang
- Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences & Comparative Medical Center, Peking Union Medical College, China
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Naringin Enhances CaMKII Activity and Improves Long-Term Memory in a Mouse Model of Alzheimer's Disease. Int J Mol Sci 2013; 14:5576-86. [PMID: 23478434 PMCID: PMC3634479 DOI: 10.3390/ijms14035576] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 02/04/2013] [Accepted: 02/16/2013] [Indexed: 12/30/2022] Open
Abstract
The Amyloid-β (Aβ)-induced impairment of hippocampal synaptic plasticity is an underlying mechanism of memory loss in the early stages of Alzheimer’s disease (AD) in human and mouse models. The inhibition of the calcium/calmodulin-dependent protein kinase II (CaMKII) autophosphorylation plays an important role in long-term memory. In this study, we isolated naringin from Pomelo peel (a Citrus species) and studied its effect on long-term memory in the APPswe/PS1dE9 transgenic mouse model of AD. Three-month-old APPswe/PS1dE9 transgenic mice were randomly assigned to a vehicle group, two naringin (either 50 or 100 mg/kg body weight/day) groups, or an Aricept (2 mg/kg body weight/day) group. After 16 weeks of treatment, we observed that treatment with naringin (100 mg/kg body weight/day) enhanced the autophosphorylation of CaMKII, increased the phosphorylation of the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic (AMPA) receptor at a CaMKII-dependent site and improved long-term learning and memory ability. These findings suggest that the increase in CaMKII activity may be one of the mechanisms by which naringin improves long-term cognitive function in the APPswe/PS1dE9 transgenic mouse model of AD.
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