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Góral I, Wichur T, Sługocka E, Grygier P, Głuch-Lutwin M, Mordyl B, Honkisz-Orzechowska E, Szałaj N, Godyń J, Panek D, Zaręba P, Sarka A, Żmudzki P, Latacz G, Pustelny K, Bucki A, Czarna A, Menezes F, Więckowska A. Exploring Novel GSK-3β Inhibitors for Anti-Neuroinflammatory and Neuroprotective Effects: Synthesis, Crystallography, Computational Analysis, and Biological Evaluation. ACS Chem Neurosci 2024. [PMID: 39158934 DOI: 10.1021/acschemneuro.4c00365] [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: 08/20/2024] Open
Abstract
In the pathogenesis of Alzheimer's disease, the overexpression of glycogen synthase kinase-3β (GSK-3β) stands out due to its multifaced nature, as it contributes to the promotion of amyloid β and tau protein accumulation, as well as neuroinflammatory processes. Therefore, in the present study, we have designed, synthesized, and evaluated a new series of GSK-3β inhibitors based on the N-(pyridin-2-yl)cyclopropanecarboxamide scaffold. We identified compound 36, demonstrating an IC50 of 70 nM against GSK-3β. Subsequently, through crystallography studies and quantum mechanical analysis, we elucidated its binding mode and identified the structural features crucial for interactions with the active site of GSK-3β, thereby understanding its inhibitory potency. Compound 36 was effective in the cellular model of hyperphosphorylated tau-induced neurodegeneration, where it restored cell viability after okadaic acid treatment and showed anti-inflammatory activity in the LPS model, significantly reducing NO, IL-6, and TNF-α release. In ADME-tox in vitro studies, we confirmed the beneficial profile of 36, including high permeability in PAMPA (Pe equals 9.4) and high metabolic stability in HLMs as well as lack of significant interactions with isoforms of the CYP enzymes and lack of considerable cytotoxicity on selected cell lines (IC50 > 100 μM on HT-22 cells and 89.3 μM on BV-2 cells). Based on promising pharmacological activities and favorable ADME-tox properties, compound 36 may be considered a promising candidate for in vivo research as well as constitute a reliable starting point for further studies.
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Affiliation(s)
- Izabella Góral
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
- Doctoral School of Medical and Health Sciences, Jagiellonian University Medical College, 16 Lazarza St., Krakow 31-530, Poland
| | - Tomasz Wichur
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Emilia Sługocka
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
- Doctoral School of Medical and Health Sciences, Jagiellonian University Medical College, 16 Lazarza St., Krakow 31-530, Poland
- Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, Krakow 30-387, Poland
| | - Przemysław Grygier
- Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, Krakow 30-387, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Lojasiewicza 11, Krakow 30-348, Poland
| | - Monika Głuch-Lutwin
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Barbara Mordyl
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Ewelina Honkisz-Orzechowska
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Natalia Szałaj
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Justyna Godyń
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Dawid Panek
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Paula Zaręba
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Anna Sarka
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Paweł Żmudzki
- Department of Medicinal Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Gniewomir Latacz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Katarzyna Pustelny
- Department of Physical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7 St., Krakow 30-387, Poland
| | - Adam Bucki
- Department of Medicinal Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
| | - Anna Czarna
- Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, Krakow 30-387, Poland
| | - Filipe Menezes
- Helmholtz Munich, Molecular Targets and Therapeutics Center, Institute of Structural Biology, Ingolstädter Landstr. 1, Neuherberg 85764, Germany
| | - Anna Więckowska
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., Krakow 30-688, Poland
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Zhang CJ, Wang Y, Jin YQ, Zhu YW, Zhu SG, Wang QM, Jing MR, Zhang YX, Cai CB, Feng ZF, Ji XY, Wu DD. Recent advances in the role of hydrogen sulfide in age-related diseases. Exp Cell Res 2024; 441:114172. [PMID: 39053869 DOI: 10.1016/j.yexcr.2024.114172] [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: 03/06/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/27/2024]
Abstract
In recent years, the impact of age-related diseases on human health has become increasingly severe, and developing effective drugs to deal with these diseases has become an urgent task. Considering the essential regulatory role of hydrogen sulfide (H2S) in these diseases, it is regarded as a promising target for treatment. H2S is a novel gaseous transmitter involved in many critical physiological activities, including anti-oxidation, anti-inflammation, and angiogenesis. H2S also regulates cell activities such as cell proliferation, migration, invasion, apoptosis, and autophagy. These regulatory effects of H2S contribute to relieving and treating age-related diseases. In this review, we mainly focus on the pathogenesis and treatment prospects of H2S in regulating age-related diseases.
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Affiliation(s)
- Chao-Jing Zhang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Yan Wang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Yu-Qing Jin
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Yi-Wen Zhu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Shuai-Gang Zhu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Qi-Meng Wang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Mi-Rong Jing
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Yan-Xia Zhang
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Chun-Bo Cai
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Zhi-Fen Feng
- School of Nursing and Health, Henan University, Kaifeng, Henan, 475004, China.
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China; Faculty of Basic Medical Subjects, Shu-Qing Medical College of Zhengzhou, Zhengzhou, Henan, 450064, China.
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China; Kaifeng Municipal Key Laboratory of Cell Signal Transduction, School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China; Department of Stomatology, Huaihe Hospital of Henan University, School of Stomatology, Henan University, Kaifeng, Henan, 475004, China.
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Góral I, Wichur T, Sługocka E, Godyń J, Szałaj N, Zaręba P, Głuch-Lutwin M, Mordyl B, Panek D, Więckowska A. Connecting GSK-3β Inhibitory Activity with IKK-β or ROCK-1 Inhibition to Target Tau Aggregation and Neuroinflammation in Alzheimer's Disease-Discovery, In Vitro and In Cellulo Activity of Thiazole-Based Inhibitors. Molecules 2024; 29:2616. [PMID: 38893493 PMCID: PMC11173485 DOI: 10.3390/molecules29112616] [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: 04/29/2024] [Revised: 05/26/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
GSK-3β, IKK-β, and ROCK-1 kinases are implicated in the pathomechanism of Alzheimer's disease due to their involvement in the misfolding and accumulation of amyloid β (Aβ) and tau proteins, as well as inflammatory processes. Among these kinases, GSK-3β plays the most crucial role. In this study, we present compound 62, a novel, remarkably potent, competitive GSK-3β inhibitor (IC50 = 8 nM, Ki = 2 nM) that also exhibits additional ROCK-1 inhibitory activity (IC50 = 2.3 µM) and demonstrates anti-inflammatory and neuroprotective properties. Compound 62 effectively suppresses the production of nitric oxide (NO) and pro-inflammatory cytokines in the lipopolysaccharide-induced model of inflammation in the microglial BV-2 cell line. Furthermore, it shows neuroprotective effects in an okadaic-acid-induced tau hyperphosphorylation cell model of neurodegeneration. The compound also demonstrates the potential for further development, characterized by its chemical and metabolic stability in mouse microsomes and fair solubility.
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Affiliation(s)
- Izabella Góral
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
- Doctoral School of Medical and Health Sciences, Jagiellonian University Medical College, 16 Lazarza St., 31-530 Krakow, Poland
| | - Tomasz Wichur
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
| | - Emilia Sługocka
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
- Doctoral School of Medical and Health Sciences, Jagiellonian University Medical College, 16 Lazarza St., 31-530 Krakow, Poland
| | - Justyna Godyń
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
| | - Natalia Szałaj
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
| | - Paula Zaręba
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
| | - Monika Głuch-Lutwin
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (M.G.-L.); (B.M.)
| | - Barbara Mordyl
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (M.G.-L.); (B.M.)
| | - Dawid Panek
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
| | - Anna Więckowska
- Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna St., 30-688 Krakow, Poland; (I.G.); (T.W.); (E.S.); (J.G.); (N.S.); (P.Z.); (D.P.)
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4
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Yu H, Xiong M, Zhang Z. The role of glycogen synthase kinase 3 beta in neurodegenerative diseases. Front Mol Neurosci 2023; 16:1209703. [PMID: 37781096 PMCID: PMC10540228 DOI: 10.3389/fnmol.2023.1209703] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/29/2023] [Indexed: 10/03/2023] Open
Abstract
Neurodegenerative diseases (NDDs) pose an increasingly prevalent threat to the well-being and survival of elderly individuals worldwide. NDDs include Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), amyotrophic lateral sclerosis (ALS), and so on. They are characterized by progressive loss or dysfunction of neurons in the central or peripheral nervous system and share several cellular and molecular mechanisms, including protein aggregation, mitochondrial dysfunction, gene mutations, and chronic neuroinflammation. Glycogen synthase kinase-3 beta (GSK-3β) is a serine/threonine kinase that is believed to play a pivotal role in the pathogenesis of NDDs. Here we summarize the structure and physiological functions of GSK3β and explore its involvement in NDDs. We also discussed its potential as a therapeutic target.
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Affiliation(s)
- Honglu Yu
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Min Xiong
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhentao Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
- TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
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Akash MSH, Akbar M, Rehman K, Shah MA, Panichayupakaranant P, Imran M, Assiri MA. Biochemical profiling of berberine-enriched extract in aluminum chloride induced oxidative damage and neuroinflammation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:85263-85275. [PMID: 37380861 DOI: 10.1007/s11356-023-28392-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/19/2023] [Indexed: 06/30/2023]
Abstract
Despite the numerous treatment strategies used for Alzheimer's disease (AD), only a few cholinesterase inhibitor drugs, such as memantine, are effective in symptomatically relieving the hallmarks of AD, providing momentary recovery of memory and cognitive decline. These available drugs do not treat the underlying causes of AD, and their chronic use is associated with serious adverse effects and disease progression. Berberine is an isoquinoline alkaloid that has been reported to possess therapeutic potential against AD. Therefore, its activity was evaluated against an aluminum chloride (AlCl3)-induced AD rat model, and a berberine-enriched extract (BEE) was used to determine if its activity is equivalent to pure berberine (PB). The rats were administered 300 mg/kg of oral AlCl3 to induce AD and were then treated with oral PB at a dosage of 50 mg/kg, BEE at a dosage of 50 mg/kg, and rivastigmine at a dosage of 1 mg/kg as a standard drug for 21 days. In this study, various parameters were assessed to evaluate cognitive functions, such as behavioral analysis, antioxidant enzyme levels, acetylcholinesterase (AChE) activity, proinflammatory cytokine levels, real-time polymerase chain reaction (RT-PCR) analysis of different biomarkers (AChE, IL-1α, IL-1β, BACE-1, TNF-α) linked to AD, and histopathological changes in the rats' brains. After 21 days, the disease control group showed a significant decline in cognitive function, decreased levels of antioxidant enzymes, upregulated activity of the AChE enzyme, increased levels of proinflammatory cytokines, and marked elevation in mRNA expression of AD-associated biomarkers. On the other hand, the treatment groups showed significant improvements in memory deficits, elevated levels of antioxidant enzymes, reduced levels of proinflammatory cytokines, decreased AChE activity, and significant downregulation of the expression of predefined biomarkers. Histological examination of the treatment groups showed less neuroinflammation and fewer amyloid plaques compared to the disease control group. In conclusion, both PB and BEE have comparable neuroprotective potential to mitigate the pathological hallmarks of AD. However, controlled clinical trials are needed to assess their efficacy and safety.
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Affiliation(s)
| | - Moazzama Akbar
- Department of Pharmacy, The University of Faisalabad, Faisalabad, Pakistan
| | - Kanwal Rehman
- Department of Pharmacy, The Women University, Multan, Pakistan.
| | | | - Pharkphoom Panichayupakaranant
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Thailand
| | - Muhammad Imran
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 62413, Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, 62413, Saudi Arabia
| | - Mohammed A Assiri
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 62413, Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, 62413, Saudi Arabia
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Kumar R, Fatima F, Yadav G, Singh S, Haldar S, Alexiou A, Ashraf GM. Epigenetic Modifications by Estrogen and Androgen in Alzheimer's Disease. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2023; 22:6-17. [PMID: 35232367 DOI: 10.2174/1871527321666220225110501] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/17/2022] [Accepted: 01/17/2022] [Indexed: 12/16/2022]
Abstract
For the development and maintenance of neuron networks in the brain, epigenetic mechanisms are necessary, as indicated by recent findings. This includes some of the high-order brain processes, such as behavior and cognitive functions. Epigenetic mechanisms could influence the pathophysiology or etiology of some neuronal diseases, altering disease susceptibility and therapy responses. Recent studies support epigenetic dysfunctions in neurodegenerative and psychiatric conditions, such as Alzheimer's disease (AD). These dysfunctions in epigenetic mechanisms also play crucial roles in the transgenerational effects of the environment on the brain and subsequently in the inheritance of pathologies. The possible role of gonadal steroids in the etiology and progression of neurodegenerative diseases, including Alzheimer's disease, has become the subject of a growing body of research over the last 20 years. Recent scientific findings suggest that epigenetic changes, driven by estrogen and androgens, play a vital role in brain functioning. Therefore, exploring the role of estrogen and androgen-based epigenetic changes in the brain is critical for the deeper understanding of AD. This review highlights the epigenetic modifications caused by these two gonadal steroids and the possible therapeutic strategies for AD.
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Affiliation(s)
- Rajnish Kumar
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Uttar Pradesh, India
| | - Faiza Fatima
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Uttar Pradesh, India
| | - Garima Yadav
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Uttar Pradesh, India
| | - Simran Singh
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Uttar Pradesh, India
| | - Subhagata Haldar
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Uttar Pradesh, India
| | - Athanasios Alexiou
- Novel Global Community Educational Foundation, Hebersham, 2770 NSW, Australia, and AFNP Med Austria, 1010 Wien, Austria
| | - Ghulam Md Ashraf
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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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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8
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Su L, Li R, Zhang Z, Liu J, Du J, Wei H. Identification of altered exosomal microRNAs and mRNAs in Alzheimer's disease. Ageing Res Rev 2022; 73:101497. [PMID: 34710587 DOI: 10.1016/j.arr.2021.101497] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 12/15/2022]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disease characterized by decreased memory and cognitive functions. Exosomes carry a variety of important information such as proteins, lipids, DNA and RNA of mother cells. It is reported that exosomes play critical roles in nervous system physiology and neurodegenerative diseases. However, the functions of exosomes in AD progression are not fully elucidated. In this study, we detected the expression pattern of mRNAs and miRNAs in exosomes derived from the AD and health mice. A total of 1320 mRNAs and 29 miRNAs were differentially expressed in exosomes between the two groups. Subsequently, the downregulation of Chi3l1 and upregulation of Rhog in AD mice were verified by qRT-PCR. Meanwhile, the downregulation of miR-148a-5p and upregulation of miR-27a-5p in AD group were also tested by qRT-PCR. The functions of differentially expressed mRNAs and potential target genes of miRNAs were determined by GO and KEGG analysis. According to the ceRNA hypothesis, we established an integrated ceRNA network of circRNA-lncRNA-miRNA-mRNA. In conclusion, exosomal lncRNAs, mRNAs, circRNAs and miRNAs were identified to participate in the progression of AD which might be possible biomarkers and therapeutic targets for AD.
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Affiliation(s)
- Lining Su
- Department of Basic Medicine, Hebei North University, Zhangjiakou, China.
| | - Renqing Li
- Department of Basic Medicine, Hebei North University, Zhangjiakou, China.
| | - Zhiqing Zhang
- Department of Basic Medicine, Hebei North University, Zhangjiakou, China.
| | - Jijia Liu
- Department of Basic Medicine, Hebei North University, Zhangjiakou, China.
| | - Jingkao Du
- Department of Basic Medicine, Hebei North University, Zhangjiakou, China.
| | - Huiping Wei
- Department of Basic Medicine, Hebei North University, Zhangjiakou, China.
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9
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Torres AK, Jara C, Park-Kang HS, Polanco CM, Tapia D, Alarcón F, de la Peña A, Llanquinao J, Vargas-Mardones G, Indo JA, Inestrosa NC, Tapia-Rojas C. Synaptic Mitochondria: An Early Target of Amyloid-β and Tau in Alzheimer's Disease. J Alzheimers Dis 2021; 84:1391-1414. [PMID: 34719499 DOI: 10.3233/jad-215139] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Alzheimer's disease (AD) is characterized by cognitive impairment and the presence of neurofibrillary tangles and senile plaques in the brain. Neurofibrillary tangles are composed of hyperphosphorylated tau, while senile plaques are formed by amyloid-β (Aβ) peptide. The amyloid hypothesis proposes that Aβ accumulation is primarily responsible for the neurotoxicity in AD. Multiple Aβ-mediated toxicity mechanisms have been proposed including mitochondrial dysfunction. However, it is unclear if it precedes Aβ accumulation or if is a consequence of it. Aβ promotes mitochondrial failure. However, amyloid β precursor protein (AβPP) could be cleaved in the mitochondria producing Aβ peptide. Mitochondrial-produced Aβ could interact with newly formed ones or with Aβ that enter the mitochondria, which may induce its oligomerization and contribute to further mitochondrial alterations, resulting in a vicious cycle. Another explanation for AD is the tau hypothesis, in which modified tau trigger toxic effects in neurons. Tau induces mitochondrial dysfunction by indirect and apparently by direct mechanisms. In neurons mitochondria are classified as non-synaptic or synaptic according to their localization, where synaptic mitochondrial function is fundamental supporting neurotransmission and hippocampal memory formation. Here, we focus on synaptic mitochondria as a primary target for Aβ toxicity and/or formation, generating toxicity at the synapse and contributing to synaptic and memory impairment in AD. We also hypothesize that phospho-tau accumulates in mitochondria and triggers dysfunction. Finally, we discuss that synaptic mitochondrial dysfunction occur in aging and correlates with age-related memory loss. Therefore, synaptic mitochondrial dysfunction could be a predisposing factor for AD or an early marker of its onset.
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Affiliation(s)
- Angie K Torres
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile.,Centro de Envejecimiento y Regeneración (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Claudia Jara
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Han S Park-Kang
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Catalina M Polanco
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Diego Tapia
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Fabián Alarcón
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Adely de la Peña
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Jesus Llanquinao
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Gabriela Vargas-Mardones
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Javiera A Indo
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
| | - Nibaldo C Inestrosa
- Centro de Envejecimiento y Regeneración (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile.,Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas, Chile
| | - Cheril Tapia-Rojas
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebasti´n Sede Los Leones, Santiago, Chile
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10
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Cheng L, Li J, Zhou Y, Zheng Q, Ming X, Liu S. N-Linoleyltyrosine Protects against Transient Cerebral Ischemia in Gerbil via CB2 Receptor Involvement in PI3K/Akt Signaling Pathway. Biol Pharm Bull 2019; 42:1867-1876. [DOI: 10.1248/bpb.b19-00394] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Lin Cheng
- Department of Pharmacy, Chengdu Medical College
| | - Jinsi Li
- Department of Pharmacy, Chengdu Medical College
| | - Yi Zhou
- Research and Development Center, Chengdu Rongsheng Pharmaceuticals Co., Ltd
| | - Qixue Zheng
- Department of Pharmacy, Chengdu Medical College
| | - Xin Ming
- Department of Pharmacy, Chengdu Medical College
| | - Sha Liu
- Department of Pharmacy, Chengdu Medical College
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11
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Chen FZ, Zhao Y, Chen HZ. MicroRNA-98 reduces amyloid β-protein production and improves oxidative stress and mitochondrial dysfunction through the Notch signaling pathway via HEY2 in Alzheimer's disease mice. Int J Mol Med 2019; 43:91-102. [PMID: 30365070 PMCID: PMC6257854 DOI: 10.3892/ijmm.2018.3957] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 09/28/2018] [Indexed: 01/14/2023] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease that often occurs at a slow pace yet deteriorates with time. MicroRNAs (miRs) have been demonstrated to offer novel therapeutic hope for disease treatment. The aim of the present study was to investigate the effect of miR‑98 on amyloid β (Aβ)‑protein production, oxidative stress and mitochondrial dysfunction through the Notch signaling pathway by targeting hairy and enhancer of split (Hes)‑related with YRPW motif protein 2 (HEY2) in mice with AD. A total of 70 Kunming mice were obtained and subjected to behavioral assessment. The levels of oxidative stress‑related proteins glutathione peroxidase, reduced glutathione, superoxide dismutase, malondialdehyde, acetylcholinesterase and Na+‑K+‑ATP were measured. Morphological changes in brain tissue, HEY2‑positivity levels, neuronal apoptotic index (AI) and neuron mitochondrial DNA (mtDNA) levels were also determined. Subsequently, the levels of miR‑98 and the mRNA and protein levels of HEY2, Jagged1, Notch1, Hes1, Hes5, β‑amyloid precursor protein, B‑cell lymphoma 2 (Bcl‑2) and Bcl‑2‑associated X protein in tissues and hippocampal neurons were determined by reverse transcription‑quantitative polymerase chain reaction and western blot analyses, respectively. Finally, hippocampal neuron viability and apoptosis were determined using an MTT assay and flow cytometry, respectively. The levels of miR‑98‑targeted HEY2 and miR‑98 were low and the levels of HEY2 were high in the AD mice. The AD mice exhibited poorer learning and memory abilities, oxidative stress function, and morphological changes of pyramidal cells in the hippocampal CA1 region. Furthermore, the AD mice exhibited increased protein levels of HEY2 and AI in the CA1 region of brain tissues with reduced mtDNA levels and dysfunctional neuronal mitochondria. miR‑98 suppressed hippocampal neuron apoptosis and promoted hippocampal neuron viability by inactivating the Notch signaling pathway via the inhibition of HEY2. In conclusion, the results demonstrated that miR‑98 reduced the production of Aβ and improved oxidative stress and mitochondrial dysfunction through activation of the Notch signaling pathway by binding to HEY2 in AD mice.
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Affiliation(s)
| | - Ying Zhao
- Department of Ophthalmology, Affiliated Hospital of Taishan Medical University, Taian, Shandong 271000, P.R. China
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12
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Zhong L, Liu H, Zhang W, Liu X, Jiang B, Fei H, Sun Z. Ellagic acid ameliorates learning and memory impairment in APP/PS1 transgenic mice via inhibition of β-amyloid production and tau hyperphosphorylation. Exp Ther Med 2018; 16:4951-4958. [PMID: 30542451 PMCID: PMC6257515 DOI: 10.3892/etm.2018.6860] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 03/23/2018] [Indexed: 01/20/2023] Open
Abstract
β-amyloid (Aβ) aggregation and tau hyperphosphorylation are considered to be the primary pathological hallmarks of Alzheimer's disease (AD). Targeted inhibition of these pathological processes may provide effective treatments for AD. Accumulating evidence has demonstrated that ellagic acid (EA) exerts neuroprotective effects in several diseases. The present study investigated the effects of EA on AD-associated learning and memory deficits on APP/PS1 double transgenic mice and the underlying mechanisms. APP/PS1 mice or wild-type C57BL/6 mice were intragastrically administered EA (50 mg/kg/day) or vehicle for 60 consecutive days. The learning and memory abilities of mice were investigated using the Morris water maze test. Hippocampal regions were examined for the presence of amyloid plaques, neuronal apoptosis and tau phosphorylation. Expression levels of APP, Aβ, RAC-αserine/threonine-protein kinase and glycogen synthase kinase (GSK)3β in the hippocampus were determined by western blot analysis and ELISA. The results demonstrated that EA treatment ameliorated spatial learning and memory impairment in APP/PS1 mice and significantly reduced neuronal apoptosis and Aβ deposition in the hippocampus (P<0.05 and P<0.01). In addition, EA significantly inhibited the hyperphosphorylation of tau and significantly decreased the activity of glycogen synthase kinase (GSK)3β (P<0.01), which is involved in tau phosphorylation. Overall, these findings indicated that the beneficial effects of EA on AD-associated cognitive impairments may be attributed to the inhibition of Aβ production and tau hyperphosphorylation, and its beneficial action may be mediated in part, by the RAC-α serine/threonine-protein kinase/GSK3β signaling pathway.
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Affiliation(s)
- Lili Zhong
- Department of Pathology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China.,Postdoctoral Program, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
| | - Hong Liu
- Postdoctoral Program, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China.,Department of Pathophysiology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
| | - Weijia Zhang
- Second Department of Orthopedic Surgery, Harbin First Hospital, Harbin, Heilongjiang 150010, P.R. China
| | - Xu Liu
- Experimental Center, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
| | - Bo Jiang
- Drug Safety Evaluation Center, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
| | - Hongxin Fei
- Department of Pathology, Qiqihar Medical University, Qiqihar, Heilongjiang 161006, P.R. China
| | - Zhongren Sun
- Key Laboratory of Acupuncture Clinical Neurobiology (Encephalopathy), Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
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13
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Duda P, Wiśniewski J, Wójtowicz T, Wójcicka O, Jaśkiewicz M, Drulis-Fajdasz D, Rakus D, McCubrey JA, Gizak A. Targeting GSK3 signaling as a potential therapy of neurodegenerative diseases and aging. Expert Opin Ther Targets 2018; 22:833-848. [PMID: 30244615 DOI: 10.1080/14728222.2018.1526925] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Glycogen synthase kinase 3 (GSK3) is at the center of cellular signaling and controls various aspects of brain functions, including development of the nervous system, neuronal plasticity and onset of neurodegenerative disorders. Areas covered: In this review, recent efforts in elucidating the roles of GSK3 in neuronal plasticity and development of brain pathologies; Alzheimer's and Parkinson's disease, schizophrenia, and age-related neurodegeneration are described. The effect of microglia and astrocytes on development of the pathological states is also discussed. Expert opinion: GSK3β and its signaling pathway partners hold great promise as therapeutic target(s) for a multitude of neurological disorders. Activity of the kinase is often elevated in brain disorders. However, due to the wide range of GSK3 cellular targets, global inhibition of the kinase leads to severe side-effects and GSK3 inhibitors rarely reach Phase-2 clinical trials. Thus, a selective modulation of a specific cellular pool of GSK3 or specific down- or upstream partners of the kinase might provide more efficient anti-neurodegenerative therapies.
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Affiliation(s)
- Przemysław Duda
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - Janusz Wiśniewski
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - Tomasz Wójtowicz
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - Olga Wójcicka
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - Michał Jaśkiewicz
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - Dominika Drulis-Fajdasz
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - Dariusz Rakus
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
| | - James A McCubrey
- b Department of Microbiology and Immunology , Brody School of Medicine at East Carolina University , Greenville , NC , USA
| | - Agnieszka Gizak
- a Department of Molecular Physiology and Neurobiology , University of Wroclaw , Wroclaw , Poland
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14
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Liu XJ, Wei J, Shang YH, Huang HC, Lao FX. Modulation of AβPP and GSK3β by Endoplasmic Reticulum Stress and Involvement in Alzheimer's Disease. J Alzheimers Dis 2018; 57:1157-1170. [PMID: 28339396 DOI: 10.3233/jad-161111] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Alzheimer's disease (AD) is a dementia disease with neuronal loss and synaptic impairment. This impairment is caused, at least partly, by the generation of two main AD hallmarks, namely the hyperphosphorylated tau protein comprising neurofibrillary tangles and senile plaques containing amyloid-β (Aβ) peptides. The amyloid-β protein precursor (AβPP) and glycogen synthase kinase-3β (GSK3β) are two main proteins associated with AD and are closely correlated with these hallmarks. Recently, both of the proteins were reported to be modulated by endoplasmic reticulum stress (ERS) and are involved in the pathogenesis of AD. The mechanism of ERS plus the modulation of AβPP processing and GSK3β activity by ERS in AD are summarized and explored in this review.
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Affiliation(s)
- Xin-Jun Liu
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,College of Arts and Science of Beijing Union University, Beijing, P.R. China
| | - Jun Wei
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,College of Arts and Science of Beijing Union University, Beijing, P.R. China
| | - Ying-Hui Shang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,College of Arts and Science of Beijing Union University, Beijing, P.R. China
| | - Han-Chang Huang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,College of Arts and Science of Beijing Union University, Beijing, P.R. China
| | - Feng-Xue Lao
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,College of Arts and Science of Beijing Union University, Beijing, P.R. China
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15
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Kuo YC, Rajesh R. A critical overview of therapeutic strategy and advancement for Alzheimer's disease treatment. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.05.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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16
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Natural products against Alzheimer's disease: Pharmaco-therapeutics and biotechnological interventions. Biotechnol Adv 2016; 35:178-216. [PMID: 28043897 DOI: 10.1016/j.biotechadv.2016.12.005] [Citation(s) in RCA: 138] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 12/19/2016] [Accepted: 12/23/2016] [Indexed: 12/30/2022]
Abstract
Alzheimer's disease (AD) is a severe, chronic and progressive neurodegenerative disease associated with memory and cognition impairment ultimately leading to death. It is the commonest reason of dementia in elderly populations mostly affecting beyond the age of 65. The pathogenesis is indicated by accumulation of the amyloid-beta (Aβ) plaques and neurofibrillary tangles (NFT) in brain tissues and hyperphosphorylation of tau protein in neurons. The main cause is considered to be the formation of reactive oxygen species (ROS) due to oxidative stress. The current treatment provides only symptomatic relief by offering temporary palliative therapy which declines the rate of cognitive impairment associated with AD. Inhibition of the enzyme acetylcholinesterase (AChE) is considered as one of the major therapeutic strategies offering only symptomatic relief and moderate disease-modifying effect. Other non-cholinergic therapeutic approaches include antioxidant and vitamin therapy, stem cell therapy, hormonal therapy, use of antihypertensive or lipid-lowering medications and selective phosphodiesterase (PDE) inhibitors, inhibition of β-secretase and γ-secretase and Aβ aggregation, inhibition of tau hyperphosphorylation and intracellular NFT, use of nonsteroidal anti-inflammatory drugs (NSAIDs), transition metal chelators, insulin resistance drugs, etanercept, brain-derived neurotrophic factor (BDNF) etc. Medicinal plants have been reported for possible anti-AD activity in a number of preclinical and clinical trials. Ethnobotany, being popular in China and in the Far East and possibly less emphasized in Europe, plays a substantial role in the discovery of anti-AD agents from botanicals. Chinese Material Medica (CMM) involving Chinese medicinal plants has been used traditionally in China in the treatment of AD. Ayurveda has already provided numerous lead compounds in drug discovery and many of these are also undergoing clinical investigations. A number of medicinal plants either in their crude forms or as isolated compounds have exhibited to reduce the pathological features associated with AD. In this present review, an attempt has been made to elucidate the molecular mode of action of various plant extracts, phytochemicals and traditional herbal formulations investigated against AD as reported in various preclinical and clinical tests. Herbal synergism often found in polyherbal formulations were found effective to combat disease heterogeneity as found in complex pathogenesis of AD. Finally a note has been added to describe biotechnological improvement, genetic and genomic resources and mathematical and statistical techniques for empirical model building associated with anti-AD plant secondary metabolites and their source botanicals.
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17
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Berberine protects against memory impairment and anxiogenic-like behavior in rats submitted to sporadic Alzheimer’s-like dementia: Involvement of acetylcholinesterase and cell death. Neurotoxicology 2016; 57:241-250. [DOI: 10.1016/j.neuro.2016.10.008] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 10/10/2016] [Accepted: 10/12/2016] [Indexed: 01/03/2023]
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18
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Progress in drug development for Alzheimer's disease: An overview in relation to mitochondrial energy metabolism. Eur J Med Chem 2016; 121:774-784. [DOI: 10.1016/j.ejmech.2016.03.084] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 01/21/2016] [Accepted: 03/26/2016] [Indexed: 12/27/2022]
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19
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Liu S, Tang SQ, Cui HJ, Yin S, Yin M, Zhao H, Meng LH, Wang ZJ, Lu Y. Dipotassium N-stearoyltyrosinate ameliorated pathological injuries in triple-transgenic mouse model of Alzheimer's disease. J Pharmacol Sci 2016; 132:92-99. [PMID: 27671351 DOI: 10.1016/j.jphs.2016.08.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/07/2016] [Accepted: 08/31/2016] [Indexed: 12/31/2022] Open
Abstract
Recently, anandamide (AEA) analogues have been well recognized for its potent neuroprotective effects in counteracting the deterioration of Alzheimer's disease (AD) brains through multiple pathological processes. In our previous studies, dipotassium N-stearoyltyrosinate (NSTK), an AEA analogue synthesized by our laboratory was reported to exert significant efficacy through multiple interventions. Within this study, the amyloid precursor protein (APP)SWE/presenilin-1 (PS1)M146V/TauP301L mouse (3×Tg-AD) model was used to explore further the neuroprotective effects of NSTK and its underlying mechanisms. NSTK could increase spontaneous locomotor activity in the open field and low anxiety-like behavior in the elevated plus maze, and improve the spatial memory deficits in the Morris water maze. The biochemical analysis suggested that NSTK could decrease Aβ42 deposition, abnormal tau aggregation, and the expressions of p-APP Thr668, PS1 and p-tau Ser202/Thr205 in the hippocampus of 3×Tg-AD mice. Consistently, NSTK could reduce the level of malondialdehyde, increase the activity of superoxide dismutase and catalase. Up-regulation of Bcl-2, and down-regulation of BAX, caspase-3 and inflammatory cytokines also occurred in the hippocampus of 3×Tg-AD mice after treatment with NSTK. Thus, NSTK could intervene in multiple pathological processes of AD and would be a drug candidate against AD.
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Affiliation(s)
- Sha Liu
- Institute of Medical Science, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, China
| | - Shuang-Qi Tang
- Institute of Medical Science, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, China
| | - Heng-Jing Cui
- Institute of Medical Science, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, China
| | - Sha Yin
- Institute of Medical Science, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, China
| | - Ming Yin
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - Hong Zhao
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China
| | - Ling-Hua Meng
- Institute of Medical Science, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, China
| | - Ze-Jian Wang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, China.
| | - Yang Lu
- Institute of Medical Science, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, China.
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20
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Wu H, Lu MH, Wang W, Zhang MY, Zhu QQ, Xia YY, Xu RX, Yang Y, Chen LH, Ma QH. Lamotrigine Reduces β-Site AβPP-Cleaving Enzyme 1 Protein Levels Through Induction of Autophagy. J Alzheimers Dis 2016; 46:863-76. [PMID: 25854934 DOI: 10.3233/jad-143162] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Lamotrigine (LTG), a broad-spectrum anti-epileptic drug widely used in treatment for seizures, shows potential efficacy in Alzheimer's disease (AD) therapy. Chronic LTG treatment rescues the suppressed long-term potentiation, loss of spines and cognitive deficits in AβPP/PS1 mice, known to overexpress a chimeric mouse/human mutant amyloid-β protein precursor (AβPP) and a mutant human presenilin 1 (PS1). These changes are accompanied by reduction of amyloid-β (Aβ) plaques density and of levels of β-C-terminal fragment of AβPP (β-CTF), a fragment of AβPP cleaved by β-secretase. These results suggest LTG treatment reduces Aβ production, possibly through modulation of cleavage of AβPP by β-secretase. However, the underlying mechanisms still remain unclear. In this study, decreased protein levels, but not mRNA levels of β-site AβPP-cleaving enzyme 1 (BACE1), were observed in cultured HEK293 cells and the brains of AβPP/PS1 transgenic mice upon LTG treatment. Moreover, LTG treatment suppressed mammalian target of rapamycin (mTOR) signaling, while enhancing activation of cAMP response element binding protein (CREB), two signaling pathways essential for autophagy induction. LTG treatment increased the numbers of LC3-GFP + puncta and LC3-II levels in HEK293 cells, indicating an induction of autophagy. The downregulation of BACE1 by LTG treatment was prevented by the autophagy inhibitor 3-Methyladenine. Therefore, this study shows that LTG treatment reduces the protein levels of BACE1 through activation of autophagy, possibly via inhibition of mTOR signaling and activation of CREB.
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Affiliation(s)
- Hao Wu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, Jiangsu, China
| | - Mei-Hong Lu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, Jiangsu, China
| | - Wang Wang
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, Jiangsu, China
| | - Mao-Ying Zhang
- Affiliated Bayi Brain Hospital, Beijing Military Hospital, PLA and PhD Student Program of Southern Medical University, Beijing, China
| | - Qian-Qian Zhu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, Jiangsu, China
| | - Yi-Yuan Xia
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, Jiangsu, China
| | - Ru-Xiang Xu
- Affiliated Bayi Brain Hospital, Beijing Military Hospital, PLA and PhD Student Program of Southern Medical University, Beijing, China
| | - Yi Yang
- Affiliated Bayi Brain Hospital, Beijing Military Hospital, PLA and PhD Student Program of Southern Medical University, Beijing, China
| | - Li-Hua Chen
- Affiliated Bayi Brain Hospital, Beijing Military Hospital, PLA and PhD Student Program of Southern Medical University, Beijing, China
| | - Quan-Hong Ma
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, Jiangsu, China
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21
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Zhou D, Liu H, Li C, Wang F, Shi Y, Liu L, Zhao X, Liu A, Zhang J, Wang C, Chen Z. Atorvastatin ameliorates cognitive impairment, Aβ1-42 production and Tau hyperphosphorylation in APP/PS1 transgenic mice. Metab Brain Dis 2016; 31:693-703. [PMID: 26883430 DOI: 10.1007/s11011-016-9803-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 01/27/2016] [Indexed: 10/22/2022]
Abstract
Amyloid-beta (Aβ) interacts with the serine/threonine protein kinase AKT (also known as protein kinase B)/glycogen synthase kinase 3β (GSK3β) pathway and deactivates GSK3β signaling, which result in microtubule protein tau phosphorylation. Atorvastatin, a HMG-CoA reductase inhibitor, has been proven to improve learning and memory performance, reduce Aβ and phosphorylated tau levels in mouse model of Alzheimer's disease (AD). However, it still remains unclear whether atorvastatin is responsible for regulation of AKT/GSK3β signaling and contributes to subsequent down-regulation of Aβ1-42 and phosphorylated tau in APP/PS1 transgenic (Tg APP/PS1) mice. Herein, we aimed to investigate the possible impacts of atorvastatin (10 mg/kg, p.o.) on the memory deficit by behavioral tests and changes of AKT/GSK3β signaling in hippocampus and prefrontal cortex by western blot test in Tg APP/PS1 mice. The results showed that treatment with atorvastatin significantly reversed the memory deficit in the Tg APP/PS1 mice in a novel object recognition and the Morris water maze tests. Moreover, atorvastatin significantly attenuated Aβ1-42 accumulation and phosphorylation of tau (Ser396) in the hippocampus and prefrontal cortex of Tg APP/PS1 mice. In addition, atorvastatin treatment also increased phosphorylation of AKT, inhibited GSK3β activity by increasing phosphorylation of GSK3β (Ser9) and decreasing the beta-site APP cleaving enzyme 1 (BACE1) expression. These results indicated that the memory ameliorating effect of atorvastatin may be, in part, by regulation the AKT/GSK3β signaling which may contribute to down-regulation of Aβ1-42 and tau hyperphosphorylation.
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Affiliation(s)
- Dongsheng Zhou
- Ningbo Kangning Hospital, Ningbo, Zhejiang, 315210, People's of Republic China
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Huaxia Liu
- School of Nursing, Taishan Medical University, Taian, Shandong, 271016, People's of Republic China
| | - Chenli Li
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
- Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Fangyan Wang
- Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Yaosheng Shi
- Ningbo Kangning Hospital, Ningbo, Zhejiang, 315210, People's of Republic China
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Lingjiang Liu
- Ningbo Kangning Hospital, Ningbo, Zhejiang, 315210, People's of Republic China
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Xin Zhao
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
- Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Aiming Liu
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
- Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China
| | - Junfang Zhang
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China.
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People's of Republic China.
| | - Chuang Wang
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China.
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People's of Republic China.
| | - Zhongming Chen
- Ningbo Kangning Hospital, Ningbo, Zhejiang, 315210, People's of Republic China.
- Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, Zhejiang, 315211, People's of Republic China.
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Gu XH, Xu LJ, Liu ZQ, Wei B, Yang YJ, Xu GG, Yin XP, Wang W. The flavonoid baicalein rescues synaptic plasticity and memory deficits in a mouse model of Alzheimer's disease. Behav Brain Res 2016; 311:309-321. [PMID: 27233830 DOI: 10.1016/j.bbr.2016.05.052] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 05/21/2016] [Accepted: 05/23/2016] [Indexed: 10/21/2022]
Abstract
Increasing evidence suggests that disruptions of synaptic functions correlate with the severity of cognitive deficit in Alzheimer's disease (AD). Our previous study demonstrated that baicalein enhances long-term potentiation (LTP) in acute rat hippocampal slices and improves hippocampus-dependent contextual fear conditioning in rats. Given that baicalein possess various biological activities, especially its effects on synaptic plasticity and cognitive function, we examined the effect of baicalein on synaptic function both in vitro and in vivo in AD model. The effect of baicalein on Aβ42 oligomer impaired LTP was investigated by electrophysiological methods. Baicalein was administered orally via drinking water to the APP/PS1 mice and sex- and age-matched wild-type mice. Treatment started at 5 months of age and mice were assessed for cognition and AD-like pathology at 7-month-old. Cognition was analyzed by Morris water maze test, fear conditioning test, and novel object recognition test. Changes in hippocampal 12/15 Lipoxygenase (12/15LO) and glycogen synthase kinase 3β (GSK3β) activity, Aβ production, tau phosphorylation, synaptic plasticity, and dendritic spine density were evaluated. Baicalein prevented Aβ-induced impairments in hippocampal LTP through activation of serine threonine Kinase (Akt) phosphorylation. Long-term oral administration of baicalein inhibited 12/15LO and GSK3β activity, reduced β-secretase enzyme (BACE1), decreased the concentration of total Aβ, and prevented phosphorylation of tau in APP/PS1 mice. Meanwhile, baicalein restored spine number, synaptic plasticity, and memory deficits. Our results strengthen the potential of the flavonoid baicalein as a novel and promising oral bioactive therapeutic agent that prevents memory deficits in AD.
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Affiliation(s)
- Xun-Hu Gu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Department of Neurology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, China; Department of Medical Experimental Center, Jiangxi Mental Hospital, Nanchang, Jiangxi 330029, China
| | - Li-Jun Xu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Zhi-Qiang Liu
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Department of Medical Experimental Center, Jiangxi Mental Hospital, Nanchang, Jiangxi 330029, China
| | - Bo Wei
- Department of Medical Experimental Center, Jiangxi Mental Hospital, Nanchang, Jiangxi 330029, China
| | - Yuan-Jian Yang
- Department of Medical Experimental Center, Jiangxi Mental Hospital, Nanchang, Jiangxi 330029, China
| | - Guo-Gang Xu
- Department of Respiratory Diseases, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China; Nanlou Respiratory Department, Chinese PLA General Hospital, 28 Fuxing Road, Beijing 100853, China
| | - Xiao-Ping Yin
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China.
| | - Wei Wang
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China.
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Neuroprotective Effect of Fisetin Against Amyloid-Beta-Induced Cognitive/Synaptic Dysfunction, Neuroinflammation, and Neurodegeneration in Adult Mice. Mol Neurobiol 2016; 54:2269-2285. [DOI: 10.1007/s12035-016-9795-4] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 02/11/2016] [Indexed: 12/22/2022]
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Deng QS, Dong XY, Wu H, Wang W, Wang ZT, Zhu JW, Liu CF, Jia WQ, Zhang Y, Schachner M, Ma QH, Xu RX. Disrupted-in-Schizophrenia-1 Attenuates Amyloid-β Generation and Cognitive Deficits in APP/PS1 Transgenic Mice by Reduction of β-Site APP-Cleaving Enzyme 1 Levels. Neuropsychopharmacology 2016; 41:440-53. [PMID: 26062786 PMCID: PMC5130120 DOI: 10.1038/npp.2015.164] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 04/27/2015] [Accepted: 05/05/2015] [Indexed: 02/05/2023]
Abstract
Disrupted-in-Schizophrenia-1 (DISC1) is a genetic risk factor for a wide range of major mental disorders, including schizophrenia, major depression, and bipolar disorders. Recent reports suggest a potential role of DISC1 in the pathogenesis of Alzheimer's disease (AD), by referring to an interaction between DISC1 and amyloid precursor protein (APP), and to an association of a single-nucleotide polymorphism in a DISC1 intron and late onset of AD. However, the function of DISC1 in AD remains unknown. In this study, decreased levels of DISC1 were observed in the cortex and hippocampus of 8-month-old APP/PS1 transgenic mice, an animal model of AD. Overexpression of DISC1 reduced, whereas knockdown of DISC1 increased protein levels, but not mRNA levels of β-site APP-Cleaving Enzyme 1 (BACE1), a key enzyme in amyloid-β (Aβ) generation. Reduction of BACE1 protein levels by overexpression of DISC1 was accompanied by an accelerating decline rate of BACE1, and was blocked by the lysosomal inhibitor chloroquine, rather than proteasome inhibitor MG-132. Moreover, overexpression of DISC1 in the hippocampus with an adeno-associated virus reduced the levels of BACE1, soluble Aβ40/42, amyloid plaque density, and rescued cognitive deficits of APP/PS1 transgenic mice. These results indicate that DISC1 attenuates Aβ generation and cognitive deficits of APP/PS1 transgenic mice through promoting lysosomal degradation of BACE1. Our findings provide new insights into the role of DISC1 in AD pathogenesis and link a potential function of DISC1 to the psychiatric symptoms of AD.
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Affiliation(s)
- Qing-Shan Deng
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
| | - Xing-Yu Dong
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
| | - Hao Wu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Wang Wang
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Zhao-Tao Wang
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
| | - Jian-Wei Zhu
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
| | - Chun-Feng Liu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
| | - Wei-Qiang Jia
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
| | - Yan Zhang
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
| | - Melitta Schachner
- Center for Neuroscience, Shantou University Medical College, Shantou, China
- Keck Center for Collaborative Neuroscience and Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ, USA
| | - Quan-Hong Ma
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute of Neuroscience, Soochow University, Suzhou, China
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and Institute, of Neuroscience, Soochow University, Blk402, Renai Road 199, Suzhou, Jiangsu 215021, China, Tel: +86 18015504376, Fax: +86 512 65880829 E-mail:
| | - Ru-Xiang Xu
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing, China
- Affiliated Bayi Brain Hospital and Affiliated Beijing Military Hospital of Southern Medical University, Beijing 100070, China, Tel: +8613391788118, Fax: +86 10 64057752, E-mail:
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Simvastatin prevents β-amyloid25–35-impaired neurogenesis in hippocampal dentate gyrus through α7nAChR-dependent cascading PI3K-Akt and increasing BDNF via reduction of farnesyl pyrophosphate. Neuropharmacology 2015; 97:122-32. [DOI: 10.1016/j.neuropharm.2015.05.020] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Revised: 05/17/2015] [Accepted: 05/19/2015] [Indexed: 02/06/2023]
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Ghofrani S, Joghataei MT, Mohseni S, Baluchnejadmojarad T, Bagheri M, Khamse S, Roghani M. Naringenin improves learning and memory in an Alzheimer's disease rat model: Insights into the underlying mechanisms. Eur J Pharmacol 2015; 764:195-201. [PMID: 26148826 DOI: 10.1016/j.ejphar.2015.07.001] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 06/29/2015] [Accepted: 07/01/2015] [Indexed: 02/02/2023]
Abstract
Alzheimer's disease (AD) is one of the prevalent neurological disorders of the central nervous system hallmarked by increased beta-amyloid (Aβ) deposition and ensuing learning and memory deficit. In the present study, the beneficial effect of naringenin on improvement of learning and memory was evaluated in an Alzheimer's disease rat model. The Aβ-injected rats showed a lower alternation score in Y-maze task, impairment of retention and recall capability in passive avoidance test, and lower correct choices and higher errors in radial arm maze (RAM) task as compared to sham group in addition to enhanced oxidative stress and apoptosis. Naringenin, but not a combination of naringenin and fulvestrant (an estrogenic receptor antagonist) significantly improved the performance of Aβ-injected rats in passive avoidance and RAM tasks. Naringenin pretreatment of Aβ-injected rats also lowered hippocampal malondialdehyde (MDA) with no significant effect on nitrite and superoxide dismutase (SOD) activity in addition to lowering apoptosis. These results suggest naringenin pretreatment attenuates Aβ-induced impairment of learning and memory through mitigation of lipid peroxidation and apoptosis and its beneficial effect is somewhat mediated via estrogenic pathway.
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Affiliation(s)
- Saeed Ghofrani
- Department of Clinical and Experimental Medicine, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden; Cellular and Molecular Research Center and Department of Neuroscience, School of Advanced Technology, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad-Taghi Joghataei
- Cellular and Molecular Research Center and Department of Neuroscience, School of Advanced Technology, Iran University of Medical Sciences, Tehran, Iran
| | - Simin Mohseni
- Department of Clinical and Experimental Medicine, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | | | - Maryam Bagheri
- Department of Clinical and Experimental Medicine, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden; Department of Physiology, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran
| | - Safoura Khamse
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
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Zhang H, Gao Y, Qiao PF, Zhao FL, Yan Y. PPAR-α agonist regulates amyloid-β generation via inhibiting BACE-1 activity in human neuroblastoma SH-SY5Y cells transfected with APPswe gene. Mol Cell Biochem 2015; 408:37-46. [PMID: 26092426 DOI: 10.1007/s11010-015-2480-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Accepted: 06/13/2015] [Indexed: 12/20/2022]
Abstract
Alzheimer's disease is a neuroinflammatory disease and is the most common cause of dementia in the elderly. Studies have shown the beneficial effects of the peroxisome proliferator-activated receptor alpha (PPAR-α) agonists on the treatment of neuroinflammatory diseases. The aim of the present study is to examine the ability of GW7647 (a PPAR-α agonist) to regulate amyloid precursor protein (APP) amyloidogenic processing in human neuroblastoma SH-SY5Y cells transfected with APPswe gene. After administration of GW7647 for 24 h, the levels of APP, soluble APPβ (sAPPβ), and presenilin 1 (PS-1) were assessed by Western blot. Cellular culture medium levels of amyloid-β 42 (Aβ42) were analyzed by ELISA, and the activity of beta-site APP cleaving enzyme 1 (BACE-1) was measured by fluorometric assay. We found that GW7647 decreased the expression of sAPPβ and the activity of BACE-1, and also reduced Aβ42 release. However, GW7647 did not modify the levels of APP and PS-1. Furthermore, LY294002, the phosphoinositide 3-kinase (PI3-K) inhibitor, reversed the effects of GW7647 on the BACE-1 activity and the levels of sAPPβ and Aβ42. Our data demonstrate that GW7647 may reduce Aβ production via inhibiting BACE-1 activity, and this may involve in PI3-K pathway.
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Affiliation(s)
- Hua Zhang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Chongqing, 400016, China.
| | - Ying Gao
- Special Wards, The Affiliated Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Pei-feng Qiao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Chongqing, 400016, China
| | - Feng-li Zhao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Chongqing, 400016, China
| | - Yong Yan
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Chongqing, 400016, China.
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Mehrabian S, Alexopoulos P, Ortner M, Traykov L, Grimmer T, Kurz A, Förstl H, Bickel H, Diehl-Schmid J. Cerebrospinal fluid biomarkers for Alzheimer's disease: the role of apolipoprotein E genotype, age, and sex. Neuropsychiatr Dis Treat 2015; 11:3105-10. [PMID: 26719695 PMCID: PMC4689289 DOI: 10.2147/ndt.s95018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
INTRODUCTION Cerebrospinal fluid (CSF) biomarkers improve the diagnostic accuracy for Alzheimer's disease (AD), even at the predementia stage of the disease. The ε4-allele of apolipoprotein E (ApoE ε4), female sex, and older age are well-known risk factors for AD. It is unclear how these risk factors affect the CSF biomarkers in patients with AD. AIM The objective of this study was to investigate the associations of ApoE ε4, sex, and age with CSF biomarker levels in a unicenter sample of patients with AD that includes a high proportion of patients with early-onset AD (EOAD). METHODS The CSF levels of amyloid-β 1-42 (Aβ1-42) and total-tau of 117 subjects with mild to moderate AD (55 late-onset AD and 62 EOAD) were assessed. All subjects underwent ApoE genotyping, clinical evaluation, comprehensive neuropsychological assessments, and neuroimaging. Associations between CSF biomarker levels, ApoE ε4 allele frequency, age, and sex were evaluated. RESULTS In the whole patient sample and in the late-onset AD subgroup ε4 homozygous subjects had significantly lower CSF Aβ1-42 levels compared with ε4 heterozygous subjects and ε4 noncarriers. This association was not detected in the EOAD group. Age group, sex, and severity of cognitive decline did not have a significant impact on CSF Aβ1-42 levels. No significant associations were found between ApoE ε4 allele frequency and CSF total-tau levels. CONCLUSION ApoE ε4 allele is associated with a reduction of CSF Aβ1-42 levels. This result is consistent with the findings of several previous studies. In the subgroup of patients with EOAD this association was not replicated. Larger studies are necessary to further investigate associations between ApoE ε4 allele frequency and CSF biomarker levels in patients with EOAD.
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Affiliation(s)
- Shima Mehrabian
- Department of Neurology, University Hospital "Alexandrovska", Sofia, Bulgaria
| | - Panagiotis Alexopoulos
- Department of Psychiatry, Technische Universität München, Munich, Germany ; Department of Psychiatry, University of Patras, Patras, Greece
| | - Marion Ortner
- Department of Psychiatry, Technische Universität München, Munich, Germany
| | - Latchezar Traykov
- Department of Neurology, University Hospital "Alexandrovska", Sofia, Bulgaria
| | - Timo Grimmer
- Department of Psychiatry, Technische Universität München, Munich, Germany
| | - Alexander Kurz
- Department of Psychiatry, Technische Universität München, Munich, Germany
| | - Hans Förstl
- Department of Psychiatry, Technische Universität München, Munich, Germany
| | - Horst Bickel
- Department of Psychiatry, Technische Universität München, Munich, Germany
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Brain Food for Alzheimer-Free Ageing: Focus on Herbal Medicines. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 863:95-116. [DOI: 10.1007/978-3-319-18365-7_5] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Squamosamide derivative FLZ protects retinal pigment epithelium cells from oxidative stress through activation of epidermal growth factor receptor (EGFR)-AKT signaling. Int J Mol Sci 2014; 15:18762-75. [PMID: 25329617 PMCID: PMC4227245 DOI: 10.3390/ijms151018762] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 09/02/2014] [Accepted: 09/11/2014] [Indexed: 12/19/2022] Open
Abstract
Reactive oxygen species (ROS)-mediated retinal pigment epithelium (RPE) cell apoptosis is attributed to age-related macular degeneration (AMD) pathogenesis. FLZ, a novel synthetic squamosamide derivative from a Chinese herb, Annona glabra, has displayed significant cyto-protective activity. In the current study, we explored the pro-survival effect of FLZ in oxidative stressed-RPE cells and studied the underlying signaling mechanisms. Our results showed that FLZ attenuated hydrogen peroxide (H2O2)-induced viability decrease and apoptosis in the RPE cell line (ARPE-19 cells) and in primary mouse RPE cells. Western blotting results showed that FLZ activated AKT signaling in RPE cells. The AKT-specific inhibitor, MK-2206, the phosphoinositide 3-kinase (PI3K)/AKT pan inhibitor, wortmannin, and AKT1-shRNA (short hairpin RNA) depletion almost abolished FLZ-mediated pro-survival/anti-apoptosis activity. We discovered that epidermal growth factor receptor (EGFR) trans-activation mediated FLZ-induced AKT activation and the pro-survival effect in RPE cells, and the anti-apoptosis effect of FLZ against H2O2 was inhibited by the EGFR inhibitor, PD153035, or by EGFR shRNA-knockdown. In conclusion, FLZ protects RPE cells from oxidative stress through activation of EGFR-AKT signaling, and our results suggest that FLZ might have therapeutic values for AMD.
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Wu Z, Zhu Y, Cao X, Sun S, Zhao B. Mitochondrial toxic effects of Aβ through mitofusins in the early pathogenesis of Alzheimer's disease. Mol Neurobiol 2014; 50:986-96. [PMID: 24710686 DOI: 10.1007/s12035-014-8675-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Accepted: 03/11/2014] [Indexed: 12/16/2022]
Abstract
Mitochondrial dysfunction has been implicated in the pathogenesis of Alzheimer's disease (AD). However, it is obscure how amyloid-beta (Aβ) can impair mitochondria in the early stage of AD pathology. Using PrP-hAPP/hPS1 double-transgenic AD mouse model, we find that abnormal mitochondrial morphology and damaged mitochondrial structure in hippocampal neurons appear in the early stage of AD-like disease development. We also find consistent mitochondrial abnormalities in the SH-SY5Y cells, which express amyloid precursor protein (APP) Swedish mutation (APPsw) and have been used as a cell model of the early-onset AD. Significant changes of mitofusin GTPases (Mfn1 and Mfn2) were detected both in the PrP-hAPP/hPS1 brains and SH-SY5Y cells. Moreover, our results show that Aβ accumulation in neurons of PrP-hAPP/hPS1 mice can affect the neurogenesis prior to plaque formation. These findings suggest that mitochondrial impairment is a very early event in AD pathogenesis and abnormal expression of Mfn1 and Mfn2 caused by excessive intracellular Aβ is the possible molecular mechanism. Interestingly, L-theanine has significant effects on regulating mitochondrial fusion proteins in SH-SY5Y (APPsw) cells. Overall, our results not only suggest a new early mechanism of AD pathogenesis but also propose a preventive candidate, L-theanine, for the treatment of AD.
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Affiliation(s)
- Zhaofei Wu
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing, 100101, China
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Wang JQ, Yin J, Song YF, Zhang L, Ren YX, Wang DG, Gao LP, Jing YH. Brain aging and AD-like pathology in streptozotocin-induced diabetic rats. J Diabetes Res 2014; 2014:796840. [PMID: 25197672 PMCID: PMC4150474 DOI: 10.1155/2014/796840] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 07/17/2014] [Accepted: 07/19/2014] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE Numerous epidemiological studies have linked diabetes mellitus (DM) with an increased risk of developing Alzheimer's disease (AD). However, whether or not diabetic encephalopathy shows AD-like pathology remains unclear. RESEARCH DESIGN AND METHODS Forebrain and hippocampal volumes were measured using stereology in serial coronal sections of the brain in streptozotocin- (STZ-) induced rats. Neurodegeneration in the frontal cortex, hypothalamus, and hippocampus was evaluated using Fluoro-Jade C (FJC). Aβ aggregation in the frontal cortex and hippocampus was tested using immunohistochemistry and ELISA. Dendritic spine density in the frontal cortex and hippocampus was measured using Golgi staining, and western blot was conducted to detect the levels of synaptophysin. Cognitive ability was evaluated through the Morris water maze and inhibitory avoidant box. RESULTS Rats are characterized by insulin deficiency accompanied with polydipsia, polyphagia, polyuria, and weight loss after STZ injection. The number of FJC-positive cells significantly increased in discrete brain regions of the diabetic rats compared with the age-matched control rats. Hippocampal atrophy, Aβ aggregation, and synapse loss were observed in the diabetic rats compared with the control rats. The learning and memory of the diabetic rats decreased compared with those of the age-matched control rats. CONCLUSIONS Our results suggested that aberrant metabolism induced brain aging as characterized by AD-like pathologies.
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Affiliation(s)
- Jian-Qin Wang
- Nephrology Department and Blood Dialysis Center, Second Hospital of Lanzhou University, Lanzhou 730000, China
| | - Jie Yin
- Institute of Anatomy and Embryology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yan-Feng Song
- Institute of Anatomy and Embryology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Lang Zhang
- Institute of Anatomy and Embryology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Ying-Xiang Ren
- Institute of Anatomy and Embryology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - De-Gui Wang
- Institute of Anatomy and Embryology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Li-Ping Gao
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
- Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yu-Hong Jing
- Institute of Anatomy and Embryology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
- *Yu-Hong Jing:
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