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Hang Z, Zhou L, Bian X, Liu G, Cui F, Du H, Wen Y. Potential application of aptamers combined with DNA nanoflowers in neurodegenerative diseases. Ageing Res Rev 2024; 100:102444. [PMID: 39084322 DOI: 10.1016/j.arr.2024.102444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/09/2024] [Accepted: 07/28/2024] [Indexed: 08/02/2024]
Abstract
The efficacy of neurotherapeutic drugs hinges on their ability to traverse the blood-brain barrier and access the brain, which is crucial for treating or alleviating neurodegenerative diseases (NDs). Given the absence of definitive cures for NDs, early diagnosis and intervention become paramount in impeding disease progression. However, conventional therapeutic drugs and existing diagnostic approaches must meet clinical demands. Consequently, there is a pressing need to advance drug delivery systems and early diagnostic methods tailored for NDs. Certain aptamers endowed with specific functionalities find widespread utility in the targeted therapy and diagnosis of NDs. DNA nanoflowers (DNFs), distinctive flower-shaped DNA nanomaterials, are intricately self-assembled through rolling ring amplification (RCA) of circular DNA templates. Notably, imbuing DNFs with diverse functionalities becomes seamlessly achievable by integrating aptamer sequences with specific functions into RCA templates, resulting in a novel nanomaterial, aptamer-bound DNFs (ADNFs) that amalgamates the advantageous features of both components. This article delves into the characteristics and applications of aptamers and DNFs, exploring the potential or application of ADNFs in drug-targeted delivery, direct treatment, early diagnosis, etc. The objective is to offer prospective ideas for the clinical treatment or diagnosis of NDs, thereby contributing to the ongoing efforts in this critical field.
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Affiliation(s)
- Zhongci Hang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Liping Zhou
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Xiaochun Bian
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Guotao Liu
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Fenghe Cui
- Department of Anesthesiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, No. 20 Yuhuangdingdong Road, Zhifu District, Yantai, Shandong 264000, China.
| | - Hongwu Du
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Yongqiang Wen
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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Le Dortz LL, Rouxel C, Polack B, Boulouis HJ, Lagrée AC, Deshuillers PL, Haddad N. Tick-borne diseases in Europe: Current prevention, control tools and the promise of aptamers. Vet Parasitol 2024; 328:110190. [PMID: 38714064 DOI: 10.1016/j.vetpar.2024.110190] [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: 10/27/2023] [Revised: 04/03/2024] [Accepted: 04/23/2024] [Indexed: 05/09/2024]
Abstract
In Europe, tick-borne diseases (TBDs) cause significant morbidity and mortality, affecting both human and animal health. Ticks can transmit a wide variety of pathogens (bacteria, viruses, and parasites) and feed on many vertebrate hosts. The incidence and public health burden of TBDs are tending to intensify in Europe due to various factors, mainly anthropogenic and often combined. Early detection of tick-borne pathogens (TBPs), preventive measures and treatment are of great importance to control TBDs and their expansion. However, there are various limitations in terms of the sensitivity and/or specificity of detection and prevention methods, and even in terms of feasibility. Aptamers are single-stranded DNA or RNA that could address these issues as they are able to bind with high affinity and specificity to a wide range of targets (e.g., proteins, small compounds, and cells) due to their unique three-dimensional structure. To date, aptamers have been selected against TBPs such as tick-borne encephalitis virus, Francisella tularensis, and Rickettsia typhi. These studies have demonstrated the benefits of aptamer-based assays for pathogen detection and medical diagnosis. In this review, we address the applications of aptamers to TBDs and discuss their potential for improving prevention measures (use of chemical acaricides, vaccination), diagnosis and therapeutic strategies to control TBDs.
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Affiliation(s)
- Lisa Lucie Le Dortz
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France
| | - Clotilde Rouxel
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France
| | - Bruno Polack
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France
| | - Henri-Jean Boulouis
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France
| | - Anne-Claire Lagrée
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France
| | - Pierre Lucien Deshuillers
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France
| | - Nadia Haddad
- ANSES, INRAE, EnvA (Ecole nationale vétérinaire d'Alfort), UMR BIPAR, Laboratory of Animal Health, Maisons-Alfort F-94700, France.
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Jiang X, Song Y, Lv C, Li Y, Feng X, Zhang H, Chen Y, Wang Q. Mushroom-derived bioactive components with definite structures in alleviating the pathogenesis of Alzheimer's disease. Front Pharmacol 2024; 15:1373660. [PMID: 38835656 PMCID: PMC11148366 DOI: 10.3389/fphar.2024.1373660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 04/29/2024] [Indexed: 06/06/2024] Open
Abstract
Alzheimer's disease (AD) is a complicated neurodegenerative condition with two forms: familial and sporadic. The familial presentation is marked by autosomal dominance, typically occurring early in individuals under 65 years of age, while the sporadic presentation is late-onset, occurring in individuals over the age of 65. The majority of AD cases are characterized by late-onset and sporadic. Despite extensive research conducted over several decades, there is a scarcity of effective therapies and strategies. Considering the lack of a cure for AD, it is essential to explore alternative natural substances with higher efficacy and fewer side effects for AD treatment. Bioactive compounds derived from mushrooms have demonstrated significant potential in AD prevention and treatment by different mechanisms such as targeting amyloid formation, tau, cholinesterase dysfunction, oxidative stress, neuroinflammation, neuronal apoptosis, neurotrophic factors, ER stress, excitotoxicity, and mitochondrial dysfunction. These compounds have garnered considerable interest from the academic community owing to their advantages of multi-channel, multi-target, high safety and low toxicity. This review focuses on the various mechanisms involved in the development and progression of AD, presents the regulatory effects of bioactive components with definite structure from mushroom on AD in recent years, highlights the possible intervention pathways of mushroom bioactive components targeting different mechanisms, and discusses the clinical studies, limitations, and future perspectives of mushroom bioactive components in AD prevention and treatment.
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Affiliation(s)
- Xue Jiang
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Yu Song
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
- Koch Biotechnology (Beijing) Co., Ltd., Beijing, China
| | - Changshun Lv
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Yinghui Li
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Xiangru Feng
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Hao Zhang
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Yujuan Chen
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
| | - Qingshuang Wang
- College of Life Science and Technology, Changchun University of Science and Technology, Changchun, China
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Hou Z, Sun L, Jiang Z, Zeng T, Wu P, Huang J, Liu H, Xiao P. Neuropharmacological insights into Gardenia jasminoides Ellis: Harnessing therapeutic potential for central nervous system disorders. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 125:155374. [PMID: 38301302 DOI: 10.1016/j.phymed.2024.155374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/10/2024] [Accepted: 01/16/2024] [Indexed: 02/03/2024]
Abstract
BACKGROUND In China, Gardenia jasminoides Ellis (GJE) has a longstanding history of application. The Ministry of Health has listed it as one of the first pharmaceutical or food resources. In ethnic, traditional, and folk medicine, GJE has been used to treat fever and cold and relieve nervous anxiety. Recent studies have confirmed the significant efficacy of GJE for treating central nervous system (CNS) disorders, including Alzheimer's disease, Parkinson's disease, and major depressive disorder; however, GJE has not been systematically evaluated. PURPOSE This research systematically summarizes global studies on the use of GJE for treating CNS disorders and explores the potential applications and underlying mechanisms via intestinal flora analysis and network pharmacology, aiming to establish a scientific basis for innovative CNS disorder treatment with GJE. METHODS The PRISMA guidelines were used, and electronic databases such as the Web of Science, PubMed, and China National Knowledge Infrastructure were searched using the following search terms: "Gardenia jasminoides Ellis" with "central nervous system disease," "neuroprotection," "Alzheimer's disease," "Parkinson's disease," "ischemic stroke," "Epilepsy," and "major depressive disorder." The published literature up to September 2023 was searched to obtain relevant information on the application of GJE for treating CNS disorders. RESULTS There has been an increase in research on the material formulation and mechanisms of action of GJE for treating CNS disorders, with marked effects on CNS disorder treatment in different countries and regions. We summarized the research results related to the role of GJE in vitro and in vivo via multitargeted interventions in response to the complex mechanisms of action of CNS disorders. CONCLUSION We systematically reviewed the research progress on traditional treatment for GJE and preclinical mechanisms of CNS disorders and explored the potential of optimizing network pharmacology strategies and intestinal flora analysis to elucidate the mechanisms of action of GJE. The remarkable therapeutic efficacy of GJE, an important resource in traditional medicine, has been well documented in the literature, highlighting its significant medicinal potential.
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Affiliation(s)
- Ziyu Hou
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Le Sun
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China.
| | - Zheyu Jiang
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Tiexin Zeng
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Peiling Wu
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Jiali Huang
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Haibo Liu
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China.
| | - Peigen Xiao
- Chinese Academy of Medical Sciences & Peking Union Medical College, Institute of Medicinal Plant Development (IMPLAD), No. 151 Malianwa North Road, Haidian District, Beijing 100193, PR China
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Wei W, Sun H, Yang B, Zhu C, Song E, Song Y. Silica Nanoparticle Exposure Implicates β-Amyloid (1-42) Inbound and the Accelerating Alzheimer's Disease Progression in Mice Overexpressing Mutated Forms of Human Amyloid Precursor Protein and Presenilin 1 Genes. Chem Res Toxicol 2024; 37:429-438. [PMID: 38193392 DOI: 10.1021/acs.chemrestox.3c00378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
The increasing nanoparticle (NP) applications in the biomedical field have become an emerging concern regarding human health. NP exposure may play a role in the accelerating Alzheimer's disease (AD) progression; however, the etiology of this disorder is complex and remains largely unclear. Here, we identified that intravenous injection of silica NPs (SiNPs) caused the blood-brain barrier breakdown via downregulating tight junction-related gene expressions. Meanwhile, SiNPs upregulate the transport receptor for advanced glycation end products (RAGE) that govern the β-amyloid (Aβ) influx to the brain; however, low-density lipoprotein receptor-related protein 1 (LRP1) that controls the efflux of Aβ from the brain was not affected. Consequently, an increase in Aβ burden in the brain of SiNP-challenged APP/PS1 mice was found. Intriguingly, plasma apolipoprotein E (ApoE) adsorbed on the surface of SiNPs partially relieves this effect. Using ApoE knockout (ApoE-/-) mice, we confirmed that SiNPs covered with serum without ApoE showed further elevated AD symptoms. Together, this study offered a compilation of data to support the potential risk factors of NP exposure and AD pathology.
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Affiliation(s)
- Wei Wei
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Hang Sun
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Bingwei Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Chengyu Zhu
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Erqun Song
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Yang Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Kong AHY, Wu AJ, Ho OKY, Leung MMK, Huang AS, Yu Y, Zhang G, Lyu A, Li M, Cheung KH. Exploring the Potential of Aptamers in Targeting Neuroinflammation and Neurodegenerative Disorders: Opportunities and Challenges. Int J Mol Sci 2023; 24:11780. [PMID: 37511539 PMCID: PMC10380291 DOI: 10.3390/ijms241411780] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Neuroinflammation is the precursor for several neurodegenerative diseases (NDDs), such as Alzheimer's disease (AD), Parkinson's disease (PD), and multiple sclerosis (MS). Targeting neuroinflammation has emerged as a promising strategy to address a wide range of CNS pathologies. These NDDs still present significant challenges in terms of limited and ineffective diagnosis and treatment options, driving the need to explore innovative and novel therapeutic alternatives. Aptamers are single-stranded nucleic acids that offer the potential for addressing these challenges through diagnostic and therapeutic applications. In this review, we summarize diagnostic and therapeutic aptamers for inflammatory biomolecules, as well as the inflammatory cells in NDDs. We also discussed the potential of short nucleotides for Aptamer-Based Targeted Brain Delivery through their unique features and modifications, as well as their ability to penetrate the blood-brain barrier. Moreover, the unprecedented opportunities and substantial challenges of using aptamers as therapeutic agents, such as drug efficacy, safety considerations, and pharmacokinetics, are also discussed. Taken together, this review assesses the potential of aptamers as a pioneering approach for target delivery to the CNS and the treatment of neuroinflammation and NDDs.
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Affiliation(s)
- Anna Hau-Yee Kong
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Aston Jiaxi Wu
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Olivia Ka-Yi Ho
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Maggie Ming-Ki Leung
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Alexis Shiying Huang
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - Yuanyuan Yu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
- Guangdong-Hong Kong-Macao Greater Bay Area International Research Platform for Aptamer-Based Translational Medicine and Drug Discovery, Hong Kong SAR, China
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
- Guangdong-Hong Kong-Macao Greater Bay Area International Research Platform for Aptamer-Based Translational Medicine and Drug Discovery, Hong Kong SAR, China
| | - Aiping Lyu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone & Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
- Guangdong-Hong Kong-Macao Greater Bay Area International Research Platform for Aptamer-Based Translational Medicine and Drug Discovery, Hong Kong SAR, China
| | - Min Li
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
| | - King-Ho Cheung
- Teaching and Research Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China
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Anti-Neuroinflammatory Potential of Natural Products in the Treatment of Alzheimer's Disease. Molecules 2023; 28:molecules28031486. [PMID: 36771152 PMCID: PMC9920976 DOI: 10.3390/molecules28031486] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/24/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
Alzheimer's disease (AD) is an age-related chronic progressive neurodegenerative disease, which is the main cause of dementia in the elderly. Much evidence shows that the onset and late symptoms of AD are caused by multiple factors. Among them, aging is the main factor in the pathogenesis of AD, and the most important risk factor for AD is neuroinflammation. So far, there is no cure for AD, but the relationship between neuroinflammation and AD may provide a new strategy for the treatment of AD. We herein discussed the main etiology hypothesis of AD and the role of neuroinflammation in AD, as well as anti-inflammatory natural products with the potential to prevent and alleviate AD symptoms, including alkaloids, steroids, terpenoids, flavonoids and polyphenols, which are available with great potential for the development of anti-AD drugs.
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Alharbi KS, Javed Shaikh MA, Afzal O, Alfawaz Altamimi AS, Hassan almalki W, Kazmi I, Al-Abbasi FA, Alzarea SI, Babu MR, Singh SK, Chellappan DK, Dua K, Gupta G. Oligonucleotides: A novel area of interest for drug delivery in neurodegenerative diseases. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Yan YH, Huang ZH, Xiong QP, Song YW, Li SY, Yang BW, Sun L, Zhang MY, Ji Y. Effects of Broussonetia papyrifera (L.) L'Hér. ex Vent. fruits water extract on hippocampal neurogenesis in the treatment of APP/PS1 transgenic mice. Front Pharmacol 2022; 13:1056614. [DOI: 10.3389/fphar.2022.1056614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 10/18/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Adult neurogenesis plays an important role in repairing damaged neurons and improving cognitive impairment in Alzheimer’s disease (AD). B. Papyrifera (L.) L'Hér. ex Vent. fruits (BL), a traditional Chinese medicine for tonifying the kidney, has been reported to improve cognitive function in AD mice, but the underlying mechanisms have not been clearly illuminated. This study aimed to provide an overview of the differential compounds in the brain of APP/PS1 mice after BL water extract (BLWE) treatment through metabolomics technology and to elucidate whether the therapeutic effect and mechanism are through the enhancement of neurogenesis.Methods: APP/PS1 transgenic mice were treated with different doses of BLWE. After 6 weeks of intragastric injection, the therapeutic effects of BLWE on APP/PS1 transgenic mice were determined by the Morris water maze test, immunohistochemistry, hematoxylin & eosin and Nissl staining, enzyme-linked immunosorbent assay and terminal deoxynucleotidyl transferase dUTP nick end labeling staining. Subsequently, metabolomics technology was used to analyze the regulatory effect of BLWE on differential compounds in the brain of APP/PS1 mice, and on this basis, its molecular mechanism of BLWE was screened. Finally, the protein expression of the Wnt/β-catenin signaling pathway was detected by Western blotting.Results: After BLWE treatment, the learning and memory function of APP/PS1 mice were significantly improved, which was related to the increase in the number of Nestin+/BrdU+ and NeuN+/BrdU+ cells, and the decrease in the number of apoptotic cells in the hippocampus. BLWE treatment could also up-regulate the expression of synapse-associated proteins. Moreover, BLWE could modulate endogenous metabolic compounds in the brains of AD mice, including N-acetyl-aspartate, glutamine, etc. Furthermore, BLWE inhibited the phosphorylation of Tyr216-GSK-3β and β-catenin protein while increased CyclinD1 protein expression.Conclusion: We demonstrated that BLWE can enhance neural stem cells proliferation and improve neurogenesis, thereby efficiently repairing damaged neurons in the hippocampus and ameliorating cognitive impairment in APP/PS1 transgenic mice. The mechanism is at least partly through activating the Wnt/β-catenin signaling pathway.
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Advances in polysaccharides of natural source of the anti-Alzheimer's disease effect and mechanism. Carbohydr Polym 2022; 296:119961. [DOI: 10.1016/j.carbpol.2022.119961] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/19/2022] [Accepted: 08/03/2022] [Indexed: 12/13/2022]
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A Novel Based-Network Strategy to Identify Phytochemicals from Radix Salviae Miltiorrhizae (Danshen) for Treating Alzheimer's Disease. Molecules 2022; 27:molecules27144463. [PMID: 35889336 PMCID: PMC9317794 DOI: 10.3390/molecules27144463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/07/2022] [Accepted: 07/07/2022] [Indexed: 12/14/2022] Open
Abstract
Alzheimer’s disease (AD) is a common age-related neurodegenerative disease that strikes millions worldwide. Herein, we demonstrate a new approach based on network target to identify anti-AD compounds from Danshen. Network pharmacology and molecular docking were employed to establish the DS-AD network, which mainly involved apoptosis of neuron cells. Then network scoring was confirmed via Connectivity Map analysis. M308 (Danshenxinkun D) was an anti-AD candidate with a high score (p < 0.01). Furthermore, we conducted ex vivo experiments with H2O2-treated PC12 cells to verify the neuroprotective effect of Salvia miltiorrhiza-containing plasma (SMP), and UPLC-Q-TOF/MS and RT-qPCR were performed to demonstrate the anti-AD activity of M308 from SMP. Results revealed that SMP could enhance cell viability and level of acetylcholine. AO/EB staining and Mitochondrial membrane potential (MMP) analysis showed that SMP significantly suppressed apoptosis, which may be due to anti-oxidative stress activity. Moreover, the effects of M308 and SMP on expressions of PSEN1, DRD2, and APP mRNA were consistent, and M308 can significantly reverse the expression of PSEN1 and DRD2 mRNA in H2O2-treated PC12 cells. The strategy based on the network could be employed to identify anti-AD compounds from Chinese herbs. Notably, M308 stands out as a promising anti-AD candidate for development.
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