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Fan L, Zhang Z. Therapeutic potential of curcumin on the cognitive decline in animal models of Alzheimer's disease: a systematic review and meta-analysis. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:4499-4509. [PMID: 38265680 DOI: 10.1007/s00210-024-02946-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 01/09/2024] [Indexed: 01/25/2024]
Abstract
Curcumin, a polyphenol derived from the herb turmeric, has emerged as a prospective potential therapy in the treatment of Alzheimer's disease (AD). However, the efficacy of curcumin treatment in improving cognitive decline caused controversy recently. We aimed to systematically review the effect of curcumin on cognitive impairment in an animal model of AD. We conducted an exhaustive database search of related studies. Two investigators identified studies and independently extracted data. Stratified meta-analyses and meta-regression analyses were carried out to explore the sources of heterogeneity. Publication bias was assessed using funnel plots and Egger's test. Our systematic review included 33 articles. A meta-analysis of 29 publications showed that curcumin exerts significant positive effects on cognitive performance. For acquisition, the global estimated effect of curcumin was - 2.027 (95% CI - 2.435 to - 1.619, p < 0.001); for retention, the global estimated effect of curcumin was 1.606 (95% CI 1.101 to 2.111, p < 0.001). The stratified meta-analysis demonstrated that an increased effect size depended on diverse study characteristics. Additionally, publication bias was detected. We conclude that curcumin may reduce cognitive deficits in experimental AD. Furthermore, we emphasize that additional well-designed and well-reported animal studies are needed to inform further clinical studies.
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Affiliation(s)
- Longmin Fan
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, No. 139 Middle Renmin Road, Changsha, 410011, Hunan, China
| | - Zheyu Zhang
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, No. 139 Middle Renmin Road, Changsha, 410011, Hunan, China.
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Rastegar-Pouyani N, Dongsar TS, Ataei M, Hassani S, Gumpricht E, Kesharwani P, Sahebkar A. An overview of the efficacy of inhaled curcumin: a new mode of administration for an old molecule. Expert Opin Drug Deliv 2024. [PMID: 38771504 DOI: 10.1080/17425247.2024.2358880] [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: 07/21/2023] [Accepted: 05/20/2024] [Indexed: 05/22/2024]
Abstract
INTRODUCTION Curcumin is a polyphenol with a variety of pharmacological actions. Despite its therapeutic effects and well-known safety profile, the utility of curcumin has been limited due to its deprived physical, chemical, and pharmacokinetic profile resulting from limited solubility, durability, prompt deterioration and pitiable systemic availability. Employment of an amalgamated framework integrating the potential advantages of a nanoscaffold alongside the beneficial traits of inhalational drug delivery system beautifully bringing down the restricting attributes of intended curative interventions and further assures its clinical success. AREAS COVERED Current review discussed different application of inhalable nanocurcumin in different medical conditions. Lung diseases have been the prime field in which inhalable nanocurcumin had resulted in significant beneficial effects. Apart from this several lung protective potentials of the inhaled nanocurcumin have been discussed against severe pulmonary disorders such as pulmonary fibrosis, radiation pneumonitis and IUGR induced bronchopulmonary dysplasia. Also, application of the disclosed intervention in the clinical management of COVID-19 and Alzheimer's Disease has been discussed. EXPERT OPINION In this portion, the potential of inhalable nanocurcumin in addressing various medical conditions along with ongoing advancements in nanoencapsulation techniques and the existing challenges in transitioning from pre-clinical models to clinical practice has been summarized.
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Affiliation(s)
- Nima Rastegar-Pouyani
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Tenzin Sonam Dongsar
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Mahshid Ataei
- Toxicology and Diseases Specialty Group, Pharmaceutical Sciences Research Center (PSRC), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Shokoufeh Hassani
- Toxicology and Diseases Specialty Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Eric Gumpricht
- Department of Pharmacology, Isagenix International, LLC, Gilbert, Arizona, AZ, USA
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Amirhossein Sahebkar
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Warren A, Nyavor Y, Zarabian N, Mahoney A, Frame LA. The microbiota-gut-brain-immune interface in the pathogenesis of neuroinflammatory diseases: a narrative review of the emerging literature. Front Immunol 2024; 15:1365673. [PMID: 38817603 PMCID: PMC11137262 DOI: 10.3389/fimmu.2024.1365673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/29/2024] [Indexed: 06/01/2024] Open
Abstract
Importance Research is beginning to elucidate the sophisticated mechanisms underlying the microbiota-gut-brain-immune interface, moving from primarily animal models to human studies. Findings support the dynamic relationships between the gut microbiota as an ecosystem (microbiome) within an ecosystem (host) and its intersection with the host immune and nervous systems. Adding this to the effects on epigenetic regulation of gene expression further complicates and strengthens the response. At the heart is inflammation, which manifests in a variety of pathologies including neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and Multiple Sclerosis (MS). Observations Generally, the research to date is limited and has focused on bacteria, likely due to the simplicity and cost-effectiveness of 16s rRNA sequencing, despite its lower resolution and inability to determine functional ability/alterations. However, this omits all other microbiota including fungi, viruses, and phages, which are emerging as key members of the human microbiome. Much of the research has been done in pre-clinical models and/or in small human studies in more developed parts of the world. The relationships observed are promising but cannot be considered reliable or generalizable at this time. Specifically, causal relationships cannot be determined currently. More research has been done in Alzheimer's disease, followed by Parkinson's disease, and then little in MS. The data for MS is encouraging despite this. Conclusions and relevance While the research is still nascent, the microbiota-gut-brain-immune interface may be a missing link, which has hampered our progress on understanding, let alone preventing, managing, or putting into remission neurodegenerative diseases. Relationships must first be established in humans, as animal models have been shown to poorly translate to complex human physiology and environments, especially when investigating the human gut microbiome and its relationships where animal models are often overly simplistic. Only then can robust research be conducted in humans and using mechanistic model systems.
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Affiliation(s)
- Alison Warren
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Yvonne Nyavor
- Department of Biotechnology, Harrisburg University of Science and Technology, Harrisburg, PA, United States
| | - Nikkia Zarabian
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Aidan Mahoney
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Undergraduate College, Princeton University, Princeton, NJ, United States
| | - Leigh A. Frame
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
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Manogna C, Margesan T. In silico and pharmacokinetic studies of glucomoringin from Moringa oleifera root for Alzheimer's disease like pathology. Future Sci OA 2024; 10:2340280. [PMID: 38817392 PMCID: PMC11137837 DOI: 10.2144/fsoa-2023-0255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/19/2024] [Indexed: 06/01/2024] Open
Abstract
Aim: The aim of this research is to investigate the potential of glucomoringin, derived from Moringa oleifera, as a therapeutic agent for Alzheimer's disease through in silico analysis. Materials & methods: This study employs in silico or computational methodologies, including pkCSM, Swiss ADME, OSIRIS® property explorer, PASS online web resource and MOLINSPIRATION® software, to predict the pharmacokinetic characteristics and biological activity of glucomoringin. Results & conclusion: Molecular docking indicates strong binding to I-1β and the pharmacokinetic profile shows cytochrome P450 enzyme inhibition, prompting further research for dosing strategies. Toxicological predictions affirm safety, while bioactivity assessments demonstrate versatility in modulating essential pathways. glucomoringin's potential for Alzheimer's treatment, emphasizing the need for additional empirical research.
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Affiliation(s)
- Chintalapati Manogna
- Department of Pharmacognosy, SRM College of Pharmacy, SRM Institute of Science & Technology, Kattankulathur, 603203, Chengalpattu, Tamil Nadu, India
| | - Thirumal Margesan
- Department of Pharmacognosy, SRM College of Pharmacy, SRM Institute of Science & Technology, Kattankulathur, 603203, Chengalpattu, Tamil Nadu, India
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Yekeler HB, Guler E, Beato PS, Priya S, Abobakr FKM, Dogan M, Uner B, Kalaskar DM, Cam ME. Design and in vitro evaluation of curcumin-loaded PLGA nanoparticle-embedded sodium alginate/gelatin 3D printed scaffolds for Alzheimer's disease. Int J Biol Macromol 2024; 268:131841. [PMID: 38679260 DOI: 10.1016/j.ijbiomac.2024.131841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 04/18/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Targeted nanoparticles (NPs) are aimed at improving clinical outcomes by enhancing the diagnostic and therapeutic efficacy of drugs in the treatment of Alzheimer's disease (AD). METHODS Curcumin (CUR)-loaded poly-lactic-co-glycolic acid (PLGA) NPs (CNPs) were produced to demonstrate a prolonged release and successfully embedded into 3D printed sodium alginate (SA)/gelatin (GEL) scaffolds that can dissolve rapidly sublingually. Characterization and in vitro activity of the NPs and scaffolds were evaluated. RESULTS Based on the in vitro drug release studies, 99.6 % of the encapsulated CUR was released in a controlled manner within 18 days for the CNPs. In vitro cell culture studies showed that all samples exhibited cell viability above 84.2 % and no significant cytotoxic effect on SH-SY5Y cells. The samples were analyzed through 2 different pathways by PCR analysis. Real-time PCR results indicated that CNP and CNP-embedded SA/GEL scaffolds (CNPSGS) may show neuroprotective effects by modulating the Wnt/β-catenin pathway. The gene expression level of β-catenin slightly increased compared to the gene expression levels of other proteins and enzymes with these treatments. However, the PI3K/Akt/GSK-3β signaling pathway was regulated at the same time because of the crosstalk between these 2 pathways. CONCLUSION CNPSGS might be an effective therapeutic alternative for AD treatment.
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Affiliation(s)
- Humeyra Betul Yekeler
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34854, Türkiye; Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Türkiye; UCL Division of Surgery and Interventional Science, Royal Free Hospital Campus, University College London, Rowland Hill Street, NW3 2PF, UK; MecNano Technologies, Cube Incibation, Teknopark Istanbul, Istanbul 34906, Türkiye
| | - Ece Guler
- Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Türkiye; UCL Division of Surgery and Interventional Science, Royal Free Hospital Campus, University College London, Rowland Hill Street, NW3 2PF, UK; MecNano Technologies, Cube Incibation, Teknopark Istanbul, Istanbul 34906, Türkiye; Department of Pharmacology, Faculty of Pharmacy, Istanbul Kent University, Kagithane 34406, Istanbul, Türkiye
| | - Patricia Santos Beato
- UCL Division of Surgery and Interventional Science, Royal Free Hospital Campus, University College London, Rowland Hill Street, NW3 2PF, UK
| | - Sushma Priya
- UCL Division of Surgery and Interventional Science, Royal Free Hospital Campus, University College London, Rowland Hill Street, NW3 2PF, UK
| | | | - Murat Dogan
- Department of Pharmaceutical Biotechnology, Cumhuriyet University, Sivas 58140, Türkiye; Cancer Survivorship Institute, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 625 N. Michigan Ave., Suite 2100, Chicago, IL, 60611, USA
| | - Burcu Uner
- Department of Pharmaceutical and Administrative Sciences, University of Health Science and Pharmacy in St. Louis, St. Louis, MO, USA; Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul Kent University, Kagithane 34406, Istanbul, Türkiye
| | - Deepak M Kalaskar
- UCL Division of Surgery and Interventional Science, Royal Free Hospital Campus, University College London, Rowland Hill Street, NW3 2PF, UK
| | - Muhammet Emin Cam
- Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Türkiye; UCL Division of Surgery and Interventional Science, Royal Free Hospital Campus, University College London, Rowland Hill Street, NW3 2PF, UK; MecNano Technologies, Cube Incibation, Teknopark Istanbul, Istanbul 34906, Türkiye; Department of Pharmacology, Faculty of Pharmacy, Istanbul Kent University, Kagithane 34406, Istanbul, Türkiye; Biomedical Engineering Department, University of Aveiro, Aveiro 3810-193, Portugal; Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, Istanbul 34854, Türkiye.
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Zhang J, Ren W, Liu X, Chen J, Zeng Y, Xiang H, Hu Y, Zhang H. A novel BODIPY-based theranostic agent for in vivo fluorescence imaging of cerebral Aβ and ameliorating Aβ-associated disorders in Alzheimer's disease transgenic mice. RSC Med Chem 2024; 15:1216-1224. [PMID: 38665839 PMCID: PMC11042169 DOI: 10.1039/d3md00744h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 02/19/2024] [Indexed: 04/28/2024] Open
Abstract
β-Amyloid (Aβ) aggregation is increasingly recognized as both a biomarker and an inducer of the progression of Alzheimer's disease (AD). Here, we describe a novel fluorescent probe P14, developed based on the BODIPY structure, capable of simultaneous visualization and inhibition of Aβ aggregation in vivo. P14 shows high binding affinity to Aβ aggregates and selectively labels Aβ plaques in the brain slices of APP/PS1 mice. Moreover, P14 is able to visualize overloaded Aβ in both APP/PS1 and 5 × FAD transgenic mice in vivo. From the aspect of potential therapeutic effects, P14 administration inhibits Aβ aggregation and alleviates Aβ-induced neuronal damage in vitro, as well as reduces central Aβ deposition and ameliorates cognitive impairment in APP/PS1 transgenic mice in vivo. Finally, P14 is applied to monitor the progression of Aβ aggregation in the brain of 5 × FAD transgenic mice and the intervention effect itself by fluorescence imaging. In summary, the discovery of this fluorescent agent might provide important clues for the future development of theranostic drug candidates targeting Aβ aggregation in AD.
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Affiliation(s)
- Jingjing Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences No.19A Yuquan Road Beijing 100049 China
| | - Wenming Ren
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
| | - Xiaohui Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences No.19A Yuquan Road Beijing 100049 China
| | - Jingjing Chen
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS 1 Xiangshanzhi Road Hangzhou 310024 China
| | - Yuteng Zeng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- School of Life Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Huaijiang Xiang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences No.19A Yuquan Road Beijing 100049 China
| | - Youhong Hu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences No.19A Yuquan Road Beijing 100049 China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS 1 Xiangshanzhi Road Hangzhou 310024 China
| | - Haiyan Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of Chinese Academy of Sciences No.19A Yuquan Road Beijing 100049 China
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Shi H, Zhao Y. Modulation of Tau Pathology in Alzheimer's Disease by Dietary Bioactive Compounds. Int J Mol Sci 2024; 25:831. [PMID: 38255905 PMCID: PMC10815728 DOI: 10.3390/ijms25020831] [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: 10/31/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 01/24/2024] Open
Abstract
Tau is a microtubule-associated protein essential for microtubule assembly and stability in neurons. The abnormal intracellular accumulation of tau aggregates is a major characteristic of brains from patients with Alzheimer's disease (AD) and other tauopathies. In AD, the presence of neurofibrillary tangles (NFTs), which is composed of hyperphosphorylated tau protein, is positively correlated with the severity of the cognitive decline. Evidence suggests that the accumulation and aggregation of tau cause synaptic dysfunction and neuronal degeneration. Thus, the prevention of abnormal tau phosphorylation and elimination of tau aggregates have been proposed as therapeutic strategies for AD. However, currently tau-targeting therapies for AD and other tauopathies are limited. A number of dietary bioactive compounds have been found to modulate the posttranslational modifications of tau, including phosphorylation, small ubiquitin-like modifier (SUMO) mediated modification (SUMOylation) and acetylation, as well as inhibit tau aggregation and/or promote tau degradation. The advantages of using these dietary components over synthetic substances in AD prevention and intervention are their safety and accessibility. This review summarizes the mechanisms leading to tau pathology in AD and highlights the effects of bioactive compounds on the hyperphosphorylation, aggregation and clearance of tau protein. The potential of using these bioactive compounds for AD prevention and intervention is also discussed.
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Affiliation(s)
- Huahua Shi
- Department of Bioengineering, Harbin Institute of Technology, Weihai 264209, China;
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yan Zhao
- Department of Bioengineering, Harbin Institute of Technology, Weihai 264209, China;
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
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Verma R, Rao L, Nagpal D, Yadav M, Kumar M, Mittal V, Kaushik D. Exploring the Prospective of Curcumin-loaded Nanomedicine in Brain Cancer Therapy: An Overview of Recent Updates and Patented Nanoformulations. RECENT PATENTS ON NANOTECHNOLOGY 2024; 18:278-294. [PMID: 37904561 DOI: 10.2174/1872210517666230823155328] [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: 02/27/2023] [Revised: 06/27/2023] [Accepted: 07/18/2023] [Indexed: 11/01/2023]
Abstract
Cancer is a complex, one of the fatal non-communicable diseases, and its treatment has enormous challenges, with variable efficacy of traditional anti-cancer agents. By 2025, it is expected that 420 million additional cases of cancer will be diagnosed yearly. However, among various types of cancer, brain cancer treatment is most difficult due to the presence of blood-brain barriers. Nowadays, phytoconstituents are gaining popularity because of their biosafety and low toxicity to healthy cells. This article reviews various aspects related to curcumin for brain cancer therapeutics, including epidemiology, the role of nanotechnology, and various challenges for development and clinical trials. Furthermore, it elaborates on the prospects of curcumin for brain cancer therapeutics. In this article, our objective is to illuminate the anti-cancer potential of curcumin for brain cancer therapy. Moreover, it also explores how to defeat its constraints of clinical application because of poor bioavailability, stability, and rapid metabolism. This review also emphasizes the possibility of curcumin for the cure of brain cancer using cuttingedge biotechnological methods based on nanomedicine. This review further highlights the recent patents on curcumin-loaded nanoformulations for brain cancer. Overall, this article provides an overview of curcumin's potential in brain cancer therapy by considering challenges to be overwhelmed and future prospective. Moreover, this review summarizes the reported literature on the latest research related to the utility of curcumin in brain cancer therapy and aims to provide a reference for advanced investigation on brain cancer treatment.
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Affiliation(s)
- Ravinder Verma
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani, 127021, India
| | - Lakshita Rao
- Department of Pharmaceutical Sciences, Gurugram University, Gurugram, India
| | - Diksha Nagpal
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
| | - Manish Yadav
- Department of Pharmacy, G.D. Goenka University, Sohna Road, Gurugram, 122103, India
| | - Manish Kumar
- School of Pharmaceutical Sciences, CT University, Ludhiana, 142024, Punjab, India
| | - Vineet Mittal
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
| | - Deepak Kaushik
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
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Halder D, Das S, R S J, Joseph A. Role of multi-targeted bioactive natural molecules and their derivatives in the treatment of Alzheimer's disease: an insight into structure-activity relationship. J Biomol Struct Dyn 2023; 41:11286-11323. [PMID: 36579430 DOI: 10.1080/07391102.2022.2158136] [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: 09/13/2022] [Accepted: 12/07/2022] [Indexed: 12/30/2022]
Abstract
Alzheimer's disease (AD) is a complex neurodegenerative disorder involving cognitive dysfunction like short-term memory and behavioral changes as the disease progresses due to other unaltered physiological factors. The solution for this problem is Multi-targeted Drugs (MTDs), which can affect multiple determinants to realize the multifunctional effects. Acetylcholinesterase (AChE) inhibitors donepezil, rivastigmine, galantamine, and N-methyl-D-aspartate (NMDA) receptor antagonist memantine are FDA-approved drugs used to treat AD symptomatically. The key objective of this review is to understand multitargeted bioactive natural molecules that could be considered as leads for further development as effective drugs for treating AD, along with understanding its pharmacology and structure-activity relationship (SAR). Understanding the molecular mechanism of the AD pathophysiology, the role of existing drugs, treatment of AD via amyloid beta (Aβ) plaque, and neurofibrillary tangle (NFT) inhibition by natural bioactive molecules were also discussed in the review. The current quest and recent advancements with natural bioactive compounds like physostigmine, resveratrol, curcumin, and catechins, along with the study of in silico SAR, were reported in the present study. This review summarises the structural properties required for bioactive natural molecules to show anti-Alzheimer's activity by emphasizing on SAR of several bioactive natural molecules targeting various AD pathologies, their key molecular interactions that are critical for target specificity, their role as multitargeted ligands, used with adjunctive therapy for AD followed by related US patents granted recently. This article highlights the significance of the structural features of natural bioactive molecules in the treatment of AD and establishes a connection between them.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Debojyoti Halder
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Subham Das
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Jeyaprakash R S
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Alex Joseph
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Ilhan H. Nanoarchitectonics of the Effects of Curcumin Carbon Dot-Decorated Chitosan Nanoparticles on Proliferation and Apoptosis-Related Gene Expressions in HepG2 Hepatocellular Carcinoma Cells. ACS OMEGA 2023; 8:33554-33563. [PMID: 37744806 PMCID: PMC10515349 DOI: 10.1021/acsomega.3c03405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/22/2023] [Indexed: 09/26/2023]
Abstract
This study examines the potential anticancer properties of curcumin carbon nanodot-decorated chitosan nanoparticles (CCM@CD/CS-NP) in HepG2 hepatocellular carcinoma cells. CCM@CD/CS-NPs were synthesized, and their size, morphology, and elemental analysis were characterized. The combination of curcumin carbon dots and chitosan in the form of a nanoparticle has a number of benefits, including improved solubility and bioavailability of curcumin, enhanced stability and biocompatibility of carbon dots, and sustained release of the drug due to the mucoadhesive properties of chitosan. The purpose of this research was to examine the efficacy of curcumin carbon dot-decorated chitosan nanoparticles as an anticancer agent in the treatment of HepG2 cell lines. The cell proliferation and apoptosis-related gene expressions in HepG2 cells were assessed to investigate the potential use of nanoparticles in vitro. The IC50 value for the inhibitory effect of CCM@CD/CS-NPs on cell growth and proliferation was determined to be 323.61 μg/mL at 24 h and 267.73 μg/mL at 48 h. Increased caspase-3 and -9 activation shows that CCM@CD/CS-NPs promoted apoptosis in HepG2 cells. It was also shown that the overexpression of Bax and the downregulation of Bcl-2 were responsible for the apoptotic impact of CCM@CD/CS-NPs. The nanoparticles have been shown to have minimal toxicity to normal liver cells, indicating their potential as a safe and effective treatment for HepG2. These novel nanomaterials effectively suppressed tumor development and boosted the rate of apoptotic cell death.
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Affiliation(s)
- Hasan Ilhan
- Department of Chemistry,
Faculty of Science, Ordu University, Ordu 52200, Turkey
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11
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Jo SL, Yang H, Lee HW, Hong EJ. Curcumae radix Reduces Endoplasmic Reticulum Stress in Mice with Chronic Neuroinflammation. Biomedicines 2023; 11:2107. [PMID: 37626603 PMCID: PMC10452873 DOI: 10.3390/biomedicines11082107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/16/2023] [Accepted: 06/26/2023] [Indexed: 08/27/2023] Open
Abstract
Endoplasmic reticulum (ER) stress is a condition in which the ER protein-folding machinery is impaired, leading to the accumulation of improperly folded proteins and triggering an unfolded-protein response. Excessive ER stress causes cell death and contributes to the development of chronic diseases. Interestingly, there is a bidirectional relationship between ER stress and the nuclear factor-kappa B (NF-κB) pathway. Curcumin, a natural polyphenolic compound found in Curcumae radix, exerts its neuroprotective effects by regulating ER stress and inflammation. Therefore, investigating the potential protective and regulatory effects of curcumin on ER stress, inflammation, and neurodegeneration under chronic neuroinflammatory conditions is of great interest. Mice were pretreated with Curcumae radix extract (CRE) for 19 days and then treated with CRE plus lipopolysaccharide for 1 week. We monitored pro-inflammatory cytokine levels in the serum and ER stress-, inflammation-, and neurodegeneration-related markers in the mouse cerebrum and hippocampus using Western blotting and qRT-PCR. CRE reduced Interleukin-1 beta levels in the blood and brain of mice with lipopolysaccharide-induced chronic inflammation. CRE also suppressed the expression of markers related to the ER stress and NF-κB signaling pathways. The expression of neurodegeneration-related markers was reduced in the mouse cerebrum and hippocampus. CRE exerts neuroprotective effects under chronic inflammatory conditions via multifaceted anti-inflammatory and ER stress-pathway regulatory mechanisms.
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Affiliation(s)
- Seong-Lae Jo
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea;
| | - Hyun Yang
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea;
| | - Hye Won Lee
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea;
| | - Eui-Ju Hong
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea;
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12
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Kuo YC, De S. Development of carbon dots to manage Alzheimer's disease and Parkinson's disease. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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13
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Nanoparticles loaded with pharmacologically active plant-derived natural products: Biomedical applications and toxicity. Colloids Surf B Biointerfaces 2023; 225:113214. [PMID: 36893664 DOI: 10.1016/j.colsurfb.2023.113214] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/08/2023] [Accepted: 02/21/2023] [Indexed: 03/09/2023]
Abstract
Pharmacologically active natural products have played a significant role in the history of drug development. They have acted as sources of therapeutic drugs for various diseases such as cancer and infectious diseases. However, most natural products suffer from poor water solubility and low bioavailability, limiting their clinical applications. The rapid development of nanotechnology has opened up new directions for applying natural products and numerous studies have explored the biomedical applications of nanomaterials loaded with natural products. This review covers the recent research on applying plant-derived natural products (PDNPs) nanomaterials, including nanomedicines loaded with flavonoids, non-flavonoid polyphenols, alkaloids, and quinones, especially their use in treating various diseases. Furthermore, some drugs derived from natural products can be toxic to the body, so the toxicity of them is discussed. This comprehensive review includes fundamental discoveries and exploratory advances in natural product-loaded nanomaterials that may be helpful for future clinical development.
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14
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Zagórska A, Czopek A, Fryc M, Jaromin A, Boyd BJ. Drug Discovery and Development Targeting Dementia. Pharmaceuticals (Basel) 2023; 16:151. [PMID: 37259302 PMCID: PMC9965722 DOI: 10.3390/ph16020151] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 08/04/2023] Open
Abstract
Dementia, most often associated with neurodegenerative diseases, affects millions of people worldwide, predominantly the elderly. Unfortunately, no treatment is still available. Therefore, there is an urgent need to address this situation. This review presents the state of the art of drug discovery and developments in targeting dementia. Several approaches are discussed, such as drug repurposing, the use of small molecules, and phosphodiesterase inhibitors. Furthermore, the review also provides insights into clinical trials of these molecules. Emphasis has been placed on small molecules and multi-target-directed ligands, as well as disease-modifying therapies. Finally, attention is drawn to the possibilities of applications of nanotechnology in managing dementia.
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Affiliation(s)
- Agnieszka Zagórska
- Department of Medicinal Chemistry, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Czopek
- Department of Medicinal Chemistry, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Monika Fryc
- Department of Medicinal Chemistry, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Jaromin
- Department of Lipids and Liposomes, Faculty of Biotechnology, University of Wrocław, Joliot-Curie 14a, 50-383 Wrocław, Poland
| | - Ben J. Boyd
- Department of Pharmacy, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), 381 Royal Parade, Parkville, VIC 3052, Australia
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15
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Mani S, Dubey R, Lai IC, Babu MA, Tyagi S, Swargiary G, Mody D, Singh M, Agarwal S, Iqbal D, Kumar S, Hamed M, Sachdeva P, Almutary AG, Albadrani HM, Ojha S, Singh SK, Jha NK. Oxidative Stress and Natural Antioxidants: Back and Forth in the Neurological Mechanisms of Alzheimer's Disease. J Alzheimers Dis 2023; 96:877-912. [PMID: 37927255 DOI: 10.3233/jad-220700] [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] [Indexed: 11/07/2023]
Abstract
Alzheimer's disease (AD) is characterized by the progressive degeneration of neuronal cells. With the increase in aged population, there is a prevalence of irreversible neurodegenerative changes, causing a significant mental, social, and economic burden globally. The factors contributing to AD are multidimensional, highly complex, and not completely understood. However, it is widely known that aging, neuroinflammation, and excessive production of reactive oxygen species (ROS), along with other free radicals, substantially contribute to oxidative stress and cell death, which are inextricably linked. While oxidative stress is undeniably important in AD, limiting free radicals and ROS levels is an intriguing and potential strategy for deferring the process of neurodegeneration and alleviating associated symptoms. Therapeutic compounds from natural sources have recently become increasingly accepted and have been effectively studied for AD treatment. These phytocompounds are widely available and a multitude of holistic therapeutic efficiencies for treating AD owing to their antioxidant, anti-inflammatory, and biological activities. Some of these compounds also function by stimulating cholinergic neurotransmission, facilitating the suppression of beta-site amyloid precursor protein-cleaving enzyme 1, α-synuclein, and monoamine oxidase proteins, and deterring the occurrence of AD. Additionally, various phenolic, flavonoid, and terpenoid phytocompounds have been extensively described as potential palliative agents for AD progression. Preclinical studies have shown their involvement in modulating the cellular redox balance and minimizing ROS formation, displaying them as antioxidant agents with neuroprotective abilities. This review emphasizes the mechanistic role of natural products in the treatment of AD and discusses the various pathological hypotheses proposed for AD.
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Affiliation(s)
- Shalini Mani
- Centre for Emerging Diseases, Department of Biotechnology, Jaypee Institute of Information Technology, Noida, UP, India
| | - Rajni Dubey
- Division of Cardiology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - I-Chun Lai
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Division of Radiation Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University and Academia Sinica, Taipei, Taiwan
| | - M Arockia Babu
- Institute of Pharmaceutical Research, GLA University, Mathura, India
| | - Sakshi Tyagi
- Centre for Emerging Diseases, Department of Biotechnology, Jaypee Institute of Information Technology, Noida, UP, India
| | - Geeta Swargiary
- Centre for Emerging Diseases, Department of Biotechnology, Jaypee Institute of Information Technology, Noida, UP, India
| | - Deepansh Mody
- Centre for Emerging Diseases, Department of Biotechnology, Jaypee Institute of Information Technology, Noida, UP, India
| | - Manisha Singh
- Centre for Emerging Diseases, Department of Biotechnology, Jaypee Institute of Information Technology, Noida, UP, India
| | - Shriya Agarwal
- Department of Molecular Sciences, Macquarie University, Sydney, Australia
| | - Danish Iqbal
- Department of Health Information Management, College of Applied Medical Sciences, Buraydah Private Colleges, Buraydah, Saudi Arabia
| | - Sanjay Kumar
- Department of Life Sciences, School of Basic Sciences and Research (SBSR), Sharda University, Greater Noida, Uttar Pradesh, India
| | - Munerah Hamed
- Department of Pathology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | | | - Abdulmajeed G Almutary
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Hind Muteb Albadrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Eastern Province, Kingdom of Saudi Arabia
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | | | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, India
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India
- Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun, Uttarakhand, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India
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16
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Ottonelli I, Sharma A, Ruozi B, Tosi G, Duskey JT, Vandelli MA, Lafuente JV, Nozari A, Muresanu DF, Buzoianu AD, Tian ZR, Zhang Z, Li C, Feng L, Wiklund L, Sharma HS. Nanowired Delivery of Curcumin Attenuates Methamphetamine Neurotoxicity and Elevates Levels of Dopamine and Brain-Derived Neurotrophic Factor. ADVANCES IN NEUROBIOLOGY 2023; 32:385-416. [PMID: 37480467 DOI: 10.1007/978-3-031-32997-5_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/24/2023]
Abstract
Curcumin is a well-known antioxidant used as traditional medicine in China and India since ages to treat variety of inflammatory ailments as a food supplement. Curcumin has antitumor properties with neuroprotective effects in Alzheimer's disease. Curcumin elevates brain-derived neurotrophic factor (BDNF) and dopamine (DA) levels in the brain indicating its role in substance abuse. Methamphetamine (METH) is one of the most abused substances in the world that induces profound neurotoxicity by inducing breakdown of the blood-brain barrier (BBB), vasogenic edema and cellular injuries. However, influence of curcumin on METH-induced neurotoxicity is still not well investigated. In this investigation, METH neurotoxicity and neuroprotective effects of curcumin nanodelivery were examined in a rat model. METH (20 mg/kg, i.p.) neurotoxicity is evident 4 h after its administration exhibiting breakdown of BBB to Evans blue albumin in the cerebral cortex, hippocampus, cerebellum, thalamus and hypothalamus associated with vasogenic brain edema as seen measured using water content in all these regions. Nissl attaining exhibited profound neuronal injuries in the regions of BBB damage. Normal curcumin (50 mg/kg, i.v.) 30 min after METH administration was able to reduce BBB breakdown and brain edema partially in some of the above brain regions. However, TiO2 nanowired delivery of curcumin (25 mg/kg, i.v.) significantly attenuated brain edema, neuronal injuries and the BBB leakage in all the brain areas. BDNF level showed a significant higher level in METH-treated rats as compared to saline-treated METH group. Significantly enhanced DA levels in METH-treated rats were also observed with nanowired delivery of curcumin. Normal curcumin was able to slightly elevate DA and BDNF levels in the selected brain regions. Taken together, our observations are the first to show that nanodelivery of curcumin induces superior neuroprotection in METH neurotoxicity probable by enhancing BDNF and DA levels in the brain, not reported earlier.
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Affiliation(s)
- Ilaria Ottonelli
- Te.far.t.I, Dept of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Surgical Sciences, Anesthesiology & Intensive Care Med., Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Barbara Ruozi
- Te.far.t.I, Dept of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Giovanni Tosi
- Te.far.t.I, Dept of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Jason Thomas Duskey
- Te.far.t.I, Dept of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Maria Angela Vandelli
- Te.far.t.I, Dept of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - José Vicente Lafuente
- LaNCE, Department Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Bizkaia, Spain
| | - Ala Nozari
- Anesthesia and Critical Care, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - Dafin Fior Muresanu
- "RoNeuro" Institute for Neurological Research and Diagnosis, Cluj-Napoca, Romania
- Clinical Neurosciences, University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Anca Dana Buzoianu
- Department of Clinical Pharmacology and Toxicology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Z Ryan Tian
- Dept. Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, USA
| | - Zhiqiang Zhang
- Department of Neurosurgery, Chinese Medicine Hospital of Guangdong Province; The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Cong Li
- Department of Neurosurgery, Chinese Medicine Hospital of Guangdong Province; The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lianyuan Feng
- Department of Neurology, Bethune International Peace Hospital, Zhongshan Road (West), Shijiazhuang, Hebei Province, China
| | - Lars Wiklund
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Surgical Sciences, Anesthesiology & Intensive Care Med., Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Surgical Sciences, Anesthesiology & Intensive Care Med., Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
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17
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Guo F, Li Q, Zhang X, Liu Y, Jiang J, Cheng S, Yu S, Zhang X, Liu F, Li Y, Rose G, Zhang H. Applications of Carbon Dots for the Treatment of Alzheimer's Disease. Int J Nanomedicine 2022; 17:6621-6638. [PMID: 36582459 PMCID: PMC9793737 DOI: 10.2147/ijn.s388030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/29/2022] [Indexed: 12/25/2022] Open
Abstract
There are currently approximately 50 million victims of Alzheimer's disease (AD) worldwide. The exact cause of the disease is unknown at this time, but amyloid plaques and neurofibrillary tangles in the brain are hallmarks of the disease. Current drug treatments for AD may slow the progression of the disease and improve the quality of life of patients, but they are often only minimally effective and are not cures. A major obstacle to developing and delivering more effective drug therapies is the presence of the blood-brain barrier (BBB), which prevents many compounds with therapeutic potential from reaching the central nervous system. Nanotechnology may provide a solution to this problem. Among the medical nanomaterials currently being studied, carbon dots (CDs) have attracted widespread attention because of their ability to cross the BBB, non-toxicity, and potential for drug/gene delivery.
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Affiliation(s)
- Feng Guo
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Qingman Li
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Xiaolin Zhang
- Key Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University, Haikou, 571127, People’s Republic of China
| | - Yiheng Liu
- Haikou Hospital Affiliated to Central South University Xiangya School of Medicine, Haikou, 570208, People’s Republic of China
| | - Jie Jiang
- Scientific Experiment Center of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Shuanghuai Cheng
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Si Yu
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Xingfang Zhang
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China,The First Affiliated Hospital of Hainan Medical College, Haikou, 570102, People’s Republic of China
| | - Fangfang Liu
- Laboratory Department, Nanping First Hospital Affiliated to Fujian Medical University, Fujian, 353006, People’s Republic of China
| | - Yiying Li
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China
| | - Gregory Rose
- Departments of Anatomy and Physiology, Southern Illinois University School of Medicine, Carbondale, IL, 62901, USA,Correspondence: Gregory Rose, Departments of Anatomy and Physiology, Southern Illinois University School of Medicine, Carbondale, IL, 62901, USA, Tel +1 618-303-6503, Email
| | - Haiying Zhang
- Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China,Haiying Zhang, Public Research Laboratory of Hainan Medical University, Haikou, 571199, People’s Republic of China, Tel +86 13907533247, Email
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18
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Khalid W, Arshad MS, Aziz A, Rahim M, Qaisrani TB, Afzal F, Ali A, Ranjha MMAN, Khalid MZ, Anjum F. Chia seeds ( Salvia hispanica L.): A therapeutic weapon in metabolic disorders. Food Sci Nutr 2022; 11:3-16. [PMID: 36655089 PMCID: PMC9834868 DOI: 10.1002/fsn3.3035] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 04/22/2022] [Accepted: 04/30/2022] [Indexed: 12/23/2022] Open
Abstract
The growth of functional components containing agricultural foods is enhancing because these components aid the human body against different chronic diseases. Currently, chia seeds basically belong to the mint family and are edible seeds of Salvia hispanica. These seeds are composed of different functional components including fiber, polyphenols, antioxidants, omega-3 fatty acid vitamins, minerals, and peptides. Besides, these seeds are also a good source of vegetable protein, unsaturated fat, carbohydrates, and ash. Chia seed components are helpful in cardiovascular disease (CVD) by reducing blood pressure, platelet aggregation, cholesterol, and oxidation. In GI-tract-related diseases like diabetes and constipation, chia fiber reduces the blood glucose level and provides bulk to stool. However, antioxidants and polyphenols are protected beta cells of the pancreas from inflammation. These components are protected from the cell damage of the different body parts, which can provide help in different types of cancer including breast, colorectal, liver, and pancreatic. Conclusively, some pervious studies approved that chia seed components are played important role in chronic diseases.
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Affiliation(s)
- Waseem Khalid
- Department of Food ScienceGovernment College University FaisalabadFaisalabadPakistan
| | - Muhammad Sajid Arshad
- Department of Food ScienceGovernment College University FaisalabadFaisalabadPakistan
| | - Afifa Aziz
- Department of Food ScienceGovernment College University FaisalabadFaisalabadPakistan
| | - Muhammad Abdul Rahim
- Department of Food ScienceGovernment College University FaisalabadFaisalabadPakistan
| | - Tahira Batool Qaisrani
- Department of Agricultural Engineering and TechnologyGhazi UniversityDera Ghazi KhanPakistan
| | - Fareed Afzal
- Department of Food ScienceGovernment College University FaisalabadFaisalabadPakistan
| | - Anwar Ali
- Department of Epidemiology and Health Statistics, Xiangya School of Public HealthCentral South UniversityHunanChina
| | | | | | - Faqir Muhammad Anjum
- Islamic Food and Nutrition Council of AmericaIFANCA Halal Apex, Private LimitedFaisalabadPakistan
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19
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Dai W, Zhao M, Chen C, Zhou C, Wang P, Yang Z, Gao S, Lu Y, Zhang J, Liu X. Nano C60 Promotes Synaptic Distribution of Phosphorylated CaMKIIα and Improves Cognitive Function in APP/PS1 Transgenic Mice. ACS Chem Neurosci 2022; 13:3534-3543. [PMID: 36441865 DOI: 10.1021/acschemneuro.2c00569] [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: 11/30/2022] Open
Abstract
The wide disparity in outcomes of Alzheimer's disease (AD) treatment from preclinical to clinical studies suggests an urgent need for more effective therapeutic targets and approaches to treat AD. CaMKII is a potential target for AD therapy; however, conflicting reports on the relationship between CaMKII and AD suggest a lack of deeper understanding of the interaction between CaMKII and AD. In addition to the lack of effective therapeutic targets, pharmacokinetic limitations of neuroprotective drugs, such as low lipophilicity to cross blood brain barrier, need to be urgently addressed in the practice of AD therapy. In this study, we prepared a carbon-based nanoparticle, Nano C60, and demonstrated that Nano C60 treatment promoted the translocation of phosphorylated CaMKIIα from the cytoplasm to the synapse in Aβ42 oligomers-treated cells and APP/PS1 mice. As a result, Nano C60 administration significantly improved spatial learning and memory in APP/PS1 mice. Our study suggests that synaptic-activated CaMKII may be more important than total CaMKII in AD treatment and provides a new strategy for AD therapy.
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Affiliation(s)
- Wei Dai
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Mingxu Zhao
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Caiyun Chen
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Chang Zhou
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Peng Wang
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Zhilai Yang
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Shan Gao
- Department of Pharmacology, Basic Medical College, Anhui Medical University, Hefei 230000, China
| | - Yao Lu
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Jiqian Zhang
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
| | - Xuesheng Liu
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230000, China
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20
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Tan W, Qi L, Hu X, Tan Z. Research progress in traditional Chinese medicine in the treatment of Alzheimer's disease and related dementias. Front Pharmacol 2022; 13:921794. [PMID: 36506569 PMCID: PMC9729772 DOI: 10.3389/fphar.2022.921794] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 11/09/2022] [Indexed: 11/25/2022] Open
Abstract
Alzheimer's disease (AD) is the world's leading cause of dementia and has become a huge economic burden on nations and families. However, the exact etiology of AD is still unknown, and there are no efficient medicines or methods to prevent the deterioration of cognition. Traditional Chinese medicine (TCM) has made important contributions in the battle against AD based on the characteristics of multiple targets of TCM. This study reviewed the treatment strategies and new discoveries of traditional Chinese medicine in current research, which may be beneficial to new drug researchers.
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Affiliation(s)
- Wanying Tan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lingjun Qi
- Sichuan Academy of Traditional Chinese Medicine, Chengdu, China
| | - Xiaoyu Hu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhenghuai Tan
- Sichuan Academy of Traditional Chinese Medicine, Chengdu, China,*Correspondence: Zhenghuai Tan,
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21
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Khalid W, Arshad MS, Ranjha MMAN, Różańska MB, Irfan S, Shafique B, Rahim MA, Khalid MZ, Abdi G, Kowalczewski PŁ. Functional constituents of plant-based foods boost immunity against acute and chronic disorders. Open Life Sci 2022; 17:1075-1093. [PMID: 36133422 PMCID: PMC9462539 DOI: 10.1515/biol-2022-0104] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/24/2022] [Accepted: 07/28/2022] [Indexed: 12/15/2022] Open
Abstract
Plant-based foods are becoming an increasingly frequent topic of discussion, both scientific and social, due to the dissemination of information and exchange of experiences in the media. Plant-based diets are considered beneficial for human health due to the supply of many valuable nutrients, including health-promoting compounds. Replacing meat-based foods with plant-based products will provide many valuable compounds, including antioxidants, phenolic compounds, fibers, vitamins, minerals, and some ω3 fatty acids. Due to their high nutritional and functional composition, plant-based foods are beneficial in acute and chronic diseases. This article attempts to review the literature to present the most important data on nutrients of plant-based foods that can then help in the prevention of many diseases, such as different infections, such as coronavirus disease, pneumonia, common cold and flu, asthma, and bacterial diseases, such as bronchitis. A properly structured plant-based diet not only provides the necessary nutrients but also can help in the prevention of many diseases.
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Affiliation(s)
- Waseem Khalid
- Department of Food Science, Government College University, Faisalabad, 38000, Pakistan
| | - Muhammad Sajid Arshad
- Department of Food Science, Government College University, Faisalabad, 38000, Pakistan
| | | | - Maria Barbara Różańska
- Department of Food Technology of Plant Origin, Poznań University of Life Sciences, 60-624 Poznań, Poland
| | - Shafeeqa Irfan
- Institute of Food Science and Nutrition, University of Sargodha, Sargodha, 40100, Pakistan
| | - Bakhtawar Shafique
- Institute of Food Science and Nutrition, University of Sargodha, Sargodha, 40100, Pakistan
| | - Muhammad Abdul Rahim
- Department of Food Science, Government College University, Faisalabad, 38000, Pakistan
| | | | - Gholamreza Abdi
- Department of Biotechnology, Persian Gulf Research Institute, Persian Gulf University, Bushehr, 75169, Iran
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22
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Kan J, Wu F, Wang F, Zheng J, Cheng J, Li Y, Yang Y, Du J. Phytonutrients: Sources, bioavailability, interaction with gut microbiota, and their impacts on human health. Front Nutr 2022; 9:960309. [PMID: 36051901 PMCID: PMC9424995 DOI: 10.3389/fnut.2022.960309] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/11/2022] [Indexed: 12/13/2022] Open
Abstract
Phytonutrients are natural bioactive components present in the daily diet that can exert a positive impact on human health. Studies have shown that phytonutrients may act as antioxidants and improve metabolism after being ingested, which help to regulate physiological processes and prevent metabolic disorders and diseases. However, their efficacy is limited by their low bioavailability. The gut microbiota is symbiotic with humans and its abundance and profile are related to most diseases. Interestingly, studies have shown that the gut microbiota is associated with the metabolism of phytonutrients by converting them into small molecules that can be absorbed by the body, thereby enhancing their bioavailability. Furthermore, phytonutrients can modulate the composition of the gut microbiota, and therefore improve the host's health. Here, we focus on uncovering the mechanisms by which phytonutrients and gut microbiota play roles in health, and the interrelationships between phytonutrients and gut microbiota were summarized. We also reviewed the studies that reported the efficacy of phytonutrients in human health and the future directions.
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Affiliation(s)
- Juntao Kan
- Nutrilite Health Institute, Shanghai, China
| | - Feng Wu
- Sequanta Technologies Co., Ltd., Shanghai, China
| | | | | | - Junrui Cheng
- Department of Molecular and Structural Biochemistry, North Carolina State University, Kannapolis, NC, United States
| | - Yuan Li
- Sequanta Technologies Co., Ltd., Shanghai, China
| | - Yuexin Yang
- Chinese Center for Disease Control and Prevention, National Institute for Nutrition and Health, Beijing, China
- Yuexin Yang
| | - Jun Du
- Nutrilite Health Institute, Shanghai, China
- *Correspondence: Jun Du
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Impact of Cell Disintegration Techniques on Curcumin Recovery. FOOD ENGINEERING REVIEWS 2022. [DOI: 10.1007/s12393-022-09319-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Abstract
In recent years, the improvement of curcumin recovery from turmeric by cell and tissue disintegration techniques has been gaining more attention; these emerging techniques were used for a reproducible and robust curcumin extraction process. Additionally, understanding the material characteristics is also needed to choose the optimized technique and appropriate processing parameters. In this review, an outlook about the distribution of different fractions in turmeric rhizomes is reviewed to explain matrix challenges on curcumin extraction. Moreover, the most important part, this review provides a comprehensive summary of the latest studies on ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), enzyme-assisted extraction (EAE), high-pressure-assisted extraction (HPAE), pulsed electric field-assisted extraction (PEFAE), and ohmic heating-assisted extraction (OHAE). Lastly, a detailed discussion about the advantages and disadvantages of emerging techniques will provide an all-inclusive understanding of the food industry’s potential of different available processes.
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Vesco G, Brambati M, Scapinello L, Penoni A, Mella M, Masson M, Gaware V, Maspero A, Nardo L. Asymmetric Phenyl Substitution: An Effective Strategy to Enhance the Photosensitizing Potential of Curcuminoids. Pharmaceuticals (Basel) 2022; 15:ph15070843. [PMID: 35890142 PMCID: PMC9321223 DOI: 10.3390/ph15070843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/01/2022] [Accepted: 07/06/2022] [Indexed: 11/16/2022] Open
Abstract
Curcumin has been demonstrated to exhibit photosensitized bactericidal activity. However, the full exploitation of curcumin as a photo-pharmaceutical active principle is hindered by fast deactivation of the excited state through the transfer of the enol proton to the keto oxygen. Introducing an asymmetry in the molecular structure through acting on the phenyl substituents is expected to be a valuable strategy to impair this undesired de-excitation mechanism competing with the therapeutically relevant ones. In this study, two asymmetric curcumin analogs were synthesized and characterized as to their electronic-state transition spectroscopic properties. Fluorescence decay distributions were also reconstructed. Their analysis confirmed the substantial stabilization of the fluorescent state with respect to the parent compound. Nuclear magnetic resonance experiments were performed with the aim of determining the structural features of the keto-enol ring and the strength of the keto-enol hydrogen bond. Electronic structure calculations were also undertaken to elucidate the effects of substitution on the features of the keto-enol semi-aromatic system and the proneness to proton transfer. Finally, their singlet oxygen-generation efficiency was compared to that of curcumin through the 9,10-dimethylanthracene fluorescent assay.
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Affiliation(s)
- Guglielmo Vesco
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
| | - Martino Brambati
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
| | - Luca Scapinello
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
| | - Andrea Penoni
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
| | - Massimo Mella
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
| | - Màr Masson
- School of Health Sciences, University of Iceland, Saemundargata 2, 102 Reykjavìk, Iceland; (M.M.); (V.G.)
| | - Vivek Gaware
- School of Health Sciences, University of Iceland, Saemundargata 2, 102 Reykjavìk, Iceland; (M.M.); (V.G.)
| | - Angelo Maspero
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
- Correspondence: (A.M.); (L.N.); Tel.: +39-031-238-6272 (A.M.); +39-031-238-6472 (L.N.)
| | - Luca Nardo
- Department of Science and High Technology, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy; (G.V.); (M.B.); (L.S.); (A.P.); (M.M.)
- Correspondence: (A.M.); (L.N.); Tel.: +39-031-238-6272 (A.M.); +39-031-238-6472 (L.N.)
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25
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Li X, Yin C, Liu B, Zou L, Xu Q, Li CM. Glycerol-compressed self-assembly nanogel based on ovomucin and chito-oligosaccharide: A novel green strategy for curcumin delivery. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Applications of Various Types of Nanomaterials for the Treatment of Neurological Disorders. NANOMATERIALS 2022; 12:nano12132140. [PMID: 35807977 PMCID: PMC9268720 DOI: 10.3390/nano12132140] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/08/2022] [Accepted: 06/19/2022] [Indexed: 02/07/2023]
Abstract
Neurological disorders (NDs) are recognized as one of the major health concerns globally. According to the World Health Organization (WHO), neurological disorders are one of the main causes of mortality worldwide. Neurological disorders include Alzheimer’s disease, Parkinson′s disease, Huntington′s disease, Amyotrophic lateral sclerosis, Frontotemporal dementia, Prion disease, Brain tumor, Spinal cord injury, and Stroke. These diseases are considered incurable diseases because no specific therapies are available to cross the blood-brain barrier (BBB) and reach the brain in a significant amount for the pharmacological effect in the brain. There is a need for the development of strategies that can improve the efficacy of drugs and circumvent BBB. One of the promising approaches is the use of different types of nano-scale materials. These nano-based drugs have the ability to increase the therapeutic effect, reduce toxicity, exhibit good stability, targeted delivery, and drug loading capacity. Different types and shapes of nanomaterials have been widely used for the treatment of neurological disorders, including quantum dots, dendrimers, metallic nanoparticles, polymeric nanoparticles, carbon nanotubes, liposomes, and micelles. These nanoparticles have unique characteristics, including sensitivity, selectivity, and the ability to cross the BBB when used in nano-sized particles, and are widely used for imaging studies and treatment of NDs. In this review, we briefly summarized the recent literature on the use of various nanomaterials and their mechanism of action for the treatment of various types of neurological disorders.
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Yang H, Zeng F, Luo Y, Zheng C, Ran C, Yang J. Curcumin Scaffold as a Multifunctional Tool for Alzheimer's Disease Research. Molecules 2022; 27:molecules27123879. [PMID: 35745002 PMCID: PMC9227459 DOI: 10.3390/molecules27123879] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/08/2022] [Accepted: 06/10/2022] [Indexed: 12/21/2022] Open
Abstract
Alzheimer's disease (AD) is one of the most common neurodegenerative disorders, which is caused by multi-factors and characterized by two histopathological hallmarks: amyloid-β (Aβ) plaques and neurofibrillary tangles of Tau proteins. Thus, researchers have been devoting tremendous efforts to developing and designing new molecules for the early diagnosis of AD and curative purposes. Curcumin and its scaffold have fluorescent and photochemical properties. Mounting evidence showed that curcumin scaffold had neuroprotective effects on AD such as anti-amyloidogenic, anti-inflammatory, anti-oxidative and metal chelating. In this review, we summarized different curcumin derivatives and analyzed the in vitro and in vivo results in order to exhibit the applications in AD diagnosis, therapeutic monitoring and therapy. The analysis results showed that, although curcumin and its analogues have some disadvantages such as short wavelength and low bioavailability, these shortcomings can be conquered by modifying the structures. Curcumin scaffold still has the potential to be a multifunctional tool for AD research, including AD diagnosis and therapy.
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Affiliation(s)
- Haijun Yang
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai 200444, China; (H.Y.); (Y.L.)
| | - Fantian Zeng
- School of Public Health, Xiamen University, Xiamen 361000, China;
| | - Yunchun Luo
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai 200444, China; (H.Y.); (Y.L.)
| | - Chao Zheng
- PET Center, School of Medicine, Yale University, New Haven, CT 06520, USA;
| | - Chongzhao Ran
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, USA
- Correspondence: (C.R.); (J.Y.)
| | - Jian Yang
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai 200444, China; (H.Y.); (Y.L.)
- Correspondence: (C.R.); (J.Y.)
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28
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Lv H, Wang Y, Yang X, Ling G, Zhang P. Application of curcumin nanoformulations in Alzheimer's disease: prevention, diagnosis and treatment. Nutr Neurosci 2022:1-16. [PMID: 35694842 DOI: 10.1080/1028415x.2022.2084550] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Objectives: Alzheimer's disease (AD) is a serious neurodegenerative disease. Although many therapeutic strategies have been studied, their clinical applications are immature. Moreover, these methods can only alleviate symptoms rather than cure it, posing a challenge to brain health in older adults worldwide. Curcumin (CUR) is a very promising natural compound for nerve protection and treatment. It can prevent and treat AD, and on the other hand, its fluorescence properties can be used in the diagnosis of AD. However, CUR is characterized by very low water solubility, fluid instability, rapid metabolism, low bioavailability and difficulty in penetrating the biological barriers, which limit its application. Nanocarriers are a potential material to improve the biocompatibility of CUR and its ability to cross biological barriers. Therefore, delivering CUR by nanocarriers is an effective method to achieve better efficacy. Methods: In this review, the preventive, therapeutic and diagnostic effects of CUR nanoformulations on AD, as well as various patents, clinical trials and experimental research progress in this field are discussed. The aim is to provide detailed reference and practical suggestions for future research. Results: CUR has a variety of pharmacological activities in the prevention and treatment of AD, and its nanoformulation can effectively improve solubility, bioavailability and the ability to penetrate the blood-brain barrier. Significant benefits have been observed in the current study. Discussion: CUR formulations have a good prospect in the prevention, diagnosis and treatment of AD, but the safety and principle of its administration need more detailed study in the future.
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Affiliation(s)
- Hongqian Lv
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Yan Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Xiaotong Yang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Guixia Ling
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Peng Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
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29
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Zingale E, Romeo A, Rizzo S, Cimino C, Bonaccorso A, Carbone C, Musumeci T, Pignatello R. Fluorescent Nanosystems for Drug Tracking and Theranostics: Recent Applications in the Ocular Field. Pharmaceutics 2022; 14:pharmaceutics14050955. [PMID: 35631540 PMCID: PMC9147643 DOI: 10.3390/pharmaceutics14050955] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/23/2022] [Accepted: 04/25/2022] [Indexed: 12/14/2022] Open
Abstract
The greatest challenge associated with topical drug delivery for the treatment of diseases affecting the posterior segment of the eye is to overcome the poor bioavailability of the carried molecules. Nanomedicine offers the possibility to overcome obstacles related to physiological mechanisms and ocular barriers by exploiting different ocular routes. Functionalization of nanosystems by fluorescent probes could be a useful strategy to understand the pathway taken by nanocarriers into the ocular globe and to improve the desired targeting accuracy. The application of fluorescence to decorate nanocarrier surfaces or the encapsulation of fluorophore molecules makes the nanosystems a light probe useful in the landscape of diagnostics and theranostics. In this review, a state of the art on ocular routes of administration is reported, with a focus on pathways undertaken after topical application. Numerous studies are reported in the first section, confirming that the use of fluorescent within nanoparticles is already spread for tracking and biodistribution studies. The first section presents fluorescent molecules used for tracking nanosystems’ cellular internalization and permeation of ocular tissues; discussions on the classification of nanosystems according to their nature (lipid-based, polymer-based, metallic-based and protein-based) follows. The following sections are dedicated to diagnostic and theranostic uses, respectively, which represent an innovation in the ocular field obtained by combining dual goals in a single administration system. For its great potential, this application of fluorescent nanoparticles would experience a great development in the near future. Finally, a brief overview is dedicated to the use of fluorescent markers in clinical trials and the market in the ocular field.
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Affiliation(s)
- Elide Zingale
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
| | - Alessia Romeo
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
| | - Salvatore Rizzo
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
| | - Cinzia Cimino
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
| | - Angela Bonaccorso
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
- NANO-i—Research Center for Ocular Nanotechnology, University of Catania, 95124 Catania, Italy
| | - Claudia Carbone
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
- NANO-i—Research Center for Ocular Nanotechnology, University of Catania, 95124 Catania, Italy
| | - Teresa Musumeci
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
- NANO-i—Research Center for Ocular Nanotechnology, University of Catania, 95124 Catania, Italy
| | - Rosario Pignatello
- Department of Pharmaceutical and Health Sciences, University of Catania, 95124 Catania, Italy; (E.Z.); (A.R.); (S.R.); (C.C.); (A.B.); (C.C.); (T.M.)
- NANO-i—Research Center for Ocular Nanotechnology, University of Catania, 95124 Catania, Italy
- Correspondence:
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30
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Bajaj S, Zameer S, Jain S, Yadav V, Vohora D. Effect of the MAGL/FAAH Dual Inhibitor JZL-195 on Streptozotocin-Induced Alzheimer's Disease-like Sporadic Dementia in Mice with an Emphasis on Aβ, HSP-70, Neuroinflammation, and Oxidative Stress. ACS Chem Neurosci 2022; 13:920-932. [PMID: 35316021 DOI: 10.1021/acschemneuro.1c00699] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Alzheimer's disease is identified by pathological hallmarks such as intracellular neurofibrillary tangles (NFTs) and extracellular amyloid β plaques. Several hypotheses exist to define the neurodegeneration including microglial activation associated with neuroinflammatory processes. Recently, pharmacological inhibition of endocannabinoid (eCB)-degrading enzymes, fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL), is being investigated to modulate the pathology of Alzheimer's disease. While MAGL inhibitors upregulate 2-acyl glycerol (2-AG) levels and reduce neuroinflammation, FAAH inhibitors elevate anandamide (AEA) levels and prevent the degradation of HSP-70, thereby preventing the phosphorylation of tau protein and formation of NFTs in neural cells. We investigated the possible neuroprotective potential of the dual MAGL/FAAH inhibitor JZL-195 (20 mg/kg) against ICV-STZ-induced sporadic Alzheimer's disease (SAD) in Swiss albino mice using donepezil (5 mg/kg) as the standard. The protective effects of JZL-195 were observed by the reversal of altered levels of Aβ1-42, HSP-70, neuroinflammatory cytokines, and oxidative stress markers. However, JZL-195 expressed no cognitive improvement when assessed by spontaneous alternation behavior and Morris water maze tests and no effects on the AChE enzyme level in the hippocampal tissues of mice. Therefore, the findings of the present study indicate that although JZL-195 exhibited no improvement in cognitive deficits associated with sporadic Alzheimer's disease, it displayed significant reversal of the biochemical anomalies, thereby suggesting its therapeutic potential against the sporadic Alzheimer's disease model.
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Affiliation(s)
- Shivanshu Bajaj
- Neurobehavioral Pharmacological Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Saima Zameer
- Neurobehavioral Pharmacological Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Shreshta Jain
- Neurobehavioral Pharmacological Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Vaishali Yadav
- Neurobehavioral Pharmacological Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Divya Vohora
- Neurobehavioral Pharmacological Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
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31
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Saffarionpour S, Diosady LL. Delivery of curcumin through colloidal systems and its applications in functional foods. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2021.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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32
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Shabbir U, Tyagi A, Ham HJ, Oh DH. Comprehensive profiling of bioactive compounds in germinated black soybeans via UHPLC-ESI-QTOF-MS/MS and their anti-Alzheimer's activity. PLoS One 2022; 17:e0263274. [PMID: 35089980 PMCID: PMC8797171 DOI: 10.1371/journal.pone.0263274] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/17/2022] [Indexed: 12/18/2022] Open
Abstract
Black soybeans contain several bioactive compounds and commonly consumed due to their health-related activities but rarely cultivated as edible sprouts. The present study investigated the changes that occurred during germination in two new genotypes black soybeans. Raw and germinated seeds were tested against in vitro Alzheimer's disease (AD) biomarkers, including oxidative stress, inflammatory factors and cholinesterase enzymes as well as γ-aminobutyric acid (GABA) levels. Sprouts significantly inhibited the cholinesterase enzymes and inflammatory factors (protein denaturation, proteinase and lipoxygenase) than seeds. An increase in phenolic, flavonoid and GABA (10-folds) content and antioxidant capacity (ABTS, DPPH, and FRAP) was observed in germinated seeds. However, anthocyanin content was decreased in sprouts. UHPLC-ESI-QTOF-MS2 metabolites profiling approach identified 22 compounds including amino acids, peptides, fatty acids, and polyphenols. Among identified compounds, daidzein, genistein, gallic acid, spermidine, L-asparagine, and L-lysine exhibited the highest increase after germination. The current study reveals that germination of black soybeans have promising potential to inhibit/prevent AD and can be used to develop functional foods.
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Affiliation(s)
- Umair Shabbir
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, The Republic of Korea
| | - Akanksha Tyagi
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, The Republic of Korea
| | - Hun Ju Ham
- Department of Biological Environment, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, The Republic of Korea
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, The Republic of Korea
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Antioxidants in Alzheimer's Disease: Current Therapeutic Significance and Future Prospects. BIOLOGY 2022; 11:biology11020212. [PMID: 35205079 PMCID: PMC8869589 DOI: 10.3390/biology11020212] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/17/2022] [Accepted: 01/21/2022] [Indexed: 01/27/2023]
Abstract
Alzheimer's disease (AD) rate is accelerating with the increasing aging of the world's population. The World Health Organization (WHO) stated AD as a global health priority. According to the WHO report, around 82 million people in 2030 and 152 million in 2050 will develop dementia (AD contributes 60% to 70% of cases), considering the current scenario. AD is the most common neurodegenerative disease, intensifying impairments in cognition, behavior, and memory. Histopathological AD variations include extracellular senile plaques' formation, tangling of intracellular neurofibrils, and synaptic and neuronal loss in the brain. Multiple evidence directly indicates that oxidative stress participates in an early phase of AD before cytopathology. Moreover, oxidative stress is induced by almost all misfolded protein lumps like α-synuclein, amyloid-β, and others. Oxidative stress plays a crucial role in activating and causing various cell signaling pathways that result in lesion formations of toxic substances, which foster the development of the disease. Antioxidants are widely preferred to combat oxidative stress, and those derived from natural sources, which are often incorporated into dietary habits, can play an important role in delaying the onset as well as reducing the progression of AD. However, this approach has not been extensively explored yet. Moreover, there has been growing evidence that a combination of antioxidants in conjugation with a nutrient-rich diet might be more effective in tackling AD pathogenesis. Thus, considering the above-stated fact, this comprehensive review aims to elaborate the basics of AD and antioxidants, including the vitality of antioxidants in AD. Moreover, this review may help researchers to develop effectively and potentially improved antioxidant therapeutic strategies for this disease as it also deals with the clinical trials in the stated field.
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A New Perspective on the Treatment of Alzheimer's Disease and Sleep Deprivation-Related Consequences: Can Curcumin Help? OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6168199. [PMID: 35069976 PMCID: PMC8769857 DOI: 10.1155/2022/6168199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/03/2021] [Accepted: 12/08/2021] [Indexed: 01/09/2023]
Abstract
Sleep disturbances, as well as sleep-wake rhythm disorders, are characteristic symptoms of Alzheimer's disease (AD) that may head the other clinical signs of this neurodegenerative disease. Age-related structural and physiological changes in the brain lead to changes in sleep patterns. Conditions such as AD affect the cerebral cortex, basal forebrain, locus coeruleus, and the hypothalamus, thus changing the sleep-wake cycle. Sleep disorders likewise adversely affect the course of the disease. Since the sleep quality is important for the proper functioning of the memory, impaired sleep is associated with problems in the related areas of the brain that play a key role in learning and memory functions. In addition to synthetic drugs, utilization of medicinal plants has become popular in the treatment of neurological diseases. Curcuminoids, which are in a diarylheptanoid structure, are the main components of turmeric. Amongst them, curcumin has multiple applications in treatment regimens of various diseases such as cardiovascular diseases, obesity, cancer, inflammatory diseases, and aging. Besides, curcumin has been reported to be effective in different types of neurodegenerative diseases. Scientific studies exclusively showed that curcumin leads significant improvements in the pathological process of AD. Yet, its low solubility hence low bioavailability is the main therapeutic limitation of curcumin. Although previous studies have focused different types of advanced nanoformulations of curcumin, new approaches are needed to solve the solubility problem. This review summarizes the available scientific data, as reported by the most recent studies describing the utilization of curcumin in the treatment of AD and sleep deprivation-related consequences.
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35
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Busi F, Turbant F, Waeytens J, El Hamoui O, Wien F, Arluison V. Evaluation of Amyloid Inhibitor Efficiency to Block Bacterial Survival. Methods Mol Biol 2022; 2538:145-163. [PMID: 35951299 DOI: 10.1007/978-1-0716-2529-3_11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Amyloid inhibitors, such as the green tea compound epigallocatechin gallate EGCG, apomorphine or curlicide, have antibacterial properties. Conversely, antibiotics such as tetracycline derivatives or rifampicin also affect eukaryotic amyloids formation and may be used to treat neurodegenerative diseases. This opens the possibility for existing drugs to be repurposed in view of new therapy, targeting amyloid-like proteins from eukaryotes to prokaryotes and conversely. Here we present how to evaluate the effect of these amyloid-forming inhibitors on bacterial amyloid self-assemblies in vitro and on bacterial survival. The different approaches possible are presented.
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Affiliation(s)
- Florent Busi
- Université Paris Cité, BFA, UMR 8251, CNRS, Paris, France.
- Université Paris Cité, Paris, France.
| | - Florian Turbant
- Laboratoire Léon Brillouin LLB, CEA, CNRS UMR 12, Université Paris Saclay, CEA Saclay, Gif-sur-Yvette, France
| | - Jehan Waeytens
- Structure et Fonction des Membranes Biologiques, Université libre de Bruxelles, Bruxelles, Belgium
- Institut de Chimie Physique, CNRS UMR8000, Université Paris-Sud, Université Paris-Saclay, Orsay, France
| | - Omar El Hamoui
- DISCO Beamline, Synchrotron SOLEIL, L'Orme des Merisiers Saint Aubin, Gif-sur-Yvette, France
| | - Frank Wien
- DISCO Beamline, Synchrotron SOLEIL, L'Orme des Merisiers Saint Aubin, Gif-sur-Yvette, France
| | - Véronique Arluison
- Université Paris Cité, Paris, France
- Laboratoire Léon Brillouin LLB, CEA, CNRS UMR 12, Université Paris Saclay, CEA Saclay, Gif-sur-Yvette, France
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36
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Tagde P, Tagde P, Islam F, Tagde S, Shah M, Hussain ZD, Rahman MH, Najda A, Alanazi IS, Germoush MO, Mohamed HRH, Algandaby MM, Nasrullah MZ, Kot N, Abdel-Daim MM. The Multifaceted Role of Curcumin in Advanced Nanocurcumin Form in the Treatment and Management of Chronic Disorders. Molecules 2021; 26:7109. [PMID: 34885693 PMCID: PMC8659038 DOI: 10.3390/molecules26237109] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/08/2021] [Accepted: 11/15/2021] [Indexed: 12/25/2022] Open
Abstract
Curcumin is the primary polyphenol in turmeric's curcuminoid class. It has a wide range of therapeutic applications, such as anti-inflammatory, antioxidant, antidiabetic, hepatoprotective, antibacterial, and anticancer effects against various cancers, but has poor solubility and low bioavailability. Objective: To improve curcumin's bioavailability, plasma concentration, and cellular permeability processes. The nanocurcumin approach over curcumin has been proven appropriate for encapsulating or loading curcumin (nanocurcumin) to increase its therapeutic potential. Conclusion: Though incorporating curcumin into nanocurcumin form may be a viable method for overcoming its intrinsic limitations, and there are reasonable concerns regarding its toxicological safety once it enters biological pathways. This review article mainly highlights the therapeutic benefits of nanocurcumin over curcumin.
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Affiliation(s)
- Priti Tagde
- Amity Institute of Pharmacy, Amity University, Noida 201303, India
- PRISAL Foundation (Pharmaceutical Royal International Society), Bhopa l462026, India;
| | - Pooja Tagde
- Practice of Medicine Department, Government Homeopathy College, Bhopa l462016, India;
| | - Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh;
| | - Sandeep Tagde
- PRISAL Foundation (Pharmaceutical Royal International Society), Bhopa l462026, India;
| | - Muddaser Shah
- Department of Botany, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | | | - Md. Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka 1213, Bangladesh
- Department of Global Medical Science, Graduate School, Yonsei University, Wonju 26426, Korea
| | - Agnieszka Najda
- Department of Vegetable and Herbal Crops, University of Life Sciences in Lublin, 50A Doświadczalna Street, 20-280 Lublin, Poland;
| | - Ibtesam S. Alanazi
- Department of Biology, Faculty of Sciences, University of Hafr Al Batin, Hafr Al Batin 39524, Saudi Arabia;
| | - Mousa O. Germoush
- Biology Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi Arabia;
| | - Hanan R. H. Mohamed
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt;
| | - Mardi M. Algandaby
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Mohammed Z. Nasrullah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Natalia Kot
- Department of Landscape Architecture, University of Life Science in Lublin, 28 Gleboka Street, 20-612 Lublin, Poland;
| | - Mohamed M. Abdel-Daim
- Pharmacy Program, Department of Pharmaceutical Sciences, Batterjee Medical College, Jeddah 21442, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
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37
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Abadi AJ, Mirzaei S, Mahabady MK, Hashemi F, Zabolian A, Hashemi F, Raee P, Aghamiri S, Ashrafizadeh M, Aref AR, Hamblin MR, Hushmandi K, Zarrabi A, Sethi G. Curcumin and its derivatives in cancer therapy: Potentiating antitumor activity of cisplatin and reducing side effects. Phytother Res 2021; 36:189-213. [PMID: 34697839 DOI: 10.1002/ptr.7305] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/03/2021] [Accepted: 09/25/2021] [Indexed: 12/12/2022]
Abstract
Curcumin is a phytochemical isolated from Curcuma longa with potent tumor-suppressor activity, which has shown significant efficacy in pre-clinical and clinical studies. Curcumin stimulates cell death, triggers cycle arrest, and suppresses oncogenic pathways, thereby suppressing cancer progression. Cisplatin (CP) stimulates DNA damage and apoptosis in cancer chemotherapy. However, CP has adverse effects on several organs of the body, and drug resistance is frequently observed. The purpose of the present review is to show the function of curcumin in decreasing CP's adverse impacts and improving its antitumor activity. Curcumin administration reduces ROS levels to prevent apoptosis in normal cells. Furthermore, curcumin can inhibit inflammation via down-regulation of NF-κB to maintain the normal function of organs. Curcumin and its nanoformulations can reduce the hepatoxicity, neurotoxicity, renal toxicity, ototoxicity, and cardiotoxicity caused by CP. Notably, curcumin potentiates CP cytotoxicity via mediating cell death and cycle arrest. Besides, curcumin suppresses the STAT3 and NF-ĸB as tumor-promoting pathways, to enhance CP sensitivity and prevent drug resistance. The targeted delivery of curcumin and CP to tumor cells can be mediated nanostructures. In addition, curcumin derivatives are also able to reduce CP-mediated side effects, and increase CP cytotoxicity against various cancer types.
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Affiliation(s)
- Asal Jalal Abadi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Sepideh Mirzaei
- Department of Biology, Faculty of Science, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Mahmood Khaksary Mahabady
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Farid Hashemi
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Amirhossein Zabolian
- Young Researchers and Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Fardin Hashemi
- School of Rehabilitation, Department of Physical Therapy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Pourya Raee
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahin Aghamiri
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Tuzla, Turkey.,Sabanci University Nanotechnology Research and Application Center (SUNUM), Istanbul, Turkey
| | - Amir Reza Aref
- Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA.,Vice President at Translational Sciences, Xsphera Biosciences Inc, Boston, Massachusetts, USA
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa.,Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Istanbul, Turkey.,Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Sariyer, Istanbul, Turkey
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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38
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Shabbir U, Tyagi A, Elahi F, Aloo SO, Oh DH. The Potential Role of Polyphenols in Oxidative Stress and Inflammation Induced by Gut Microbiota in Alzheimer's Disease. Antioxidants (Basel) 2021; 10:1370. [PMID: 34573002 PMCID: PMC8472599 DOI: 10.3390/antiox10091370] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 12/17/2022] Open
Abstract
Gut microbiota (GM) play a role in the metabolic health, gut eubiosis, nutrition, and physiology of humans. They are also involved in the regulation of inflammation, oxidative stress, immune responses, central and peripheral neurotransmission. Aging and unhealthy dietary patterns, along with oxidative and inflammatory responses due to gut dysbiosis, can lead to the pathogenesis of neurodegenerative diseases, especially Alzheimer's disease (AD). Although the exact mechanism between AD and GM dysbiosis is still unknown, recent studies claim that secretions from the gut can enhance hallmarks of AD by disturbing the intestinal permeability and blood-brain barrier via the microbiota-gut-brain axis. Dietary polyphenols are the secondary metabolites of plants that possess anti-oxidative and anti-inflammatory properties and can ameliorate gut dysbiosis by enhancing the abundance of beneficial bacteria. Thus, modulation of gut by polyphenols can prevent and treat AD and other neurodegenerative diseases. This review summarizes the role of oxidative stress, inflammation, and GM in AD. Further, it provides an overview on the ability of polyphenols to modulate gut dysbiosis, oxidative stress, and inflammation against AD.
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Affiliation(s)
| | | | | | | | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 200-701, Korea; (U.S.); (A.T.); (F.E.); (S.O.A.)
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39
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Morris G, Gamage E, Travica N, Berk M, Jacka FN, O'Neil A, Puri BK, Carvalho AF, Bortolasci CC, Walder K, Marx W. Polyphenols as adjunctive treatments in psychiatric and neurodegenerative disorders: Efficacy, mechanisms of action, and factors influencing inter-individual response. Free Radic Biol Med 2021; 172:101-122. [PMID: 34062263 DOI: 10.1016/j.freeradbiomed.2021.05.036] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/14/2021] [Accepted: 05/26/2021] [Indexed: 02/07/2023]
Abstract
The pathophysiology of psychiatric and neurodegenerative disorders is complex and multifactorial. Polyphenols possess a range of potentially beneficial mechanisms of action that relate to the implicated pathways in psychiatric and neurodegenerative disorders. The aim of this review is to highlight the emerging clinical trial and preclinical efficacy data regarding the role of polyphenols in mental and brain health, elucidate novel mechanisms of action including the gut microbiome and gene expression, and discuss the factors that may be responsible for the mixed clinical results; namely, the role of interindividual differences in treatment response and the potentially pro-oxidant effects of some polyphenols. Further clarification as part of larger, well conducted randomized controlled trials that incorporate precision medicine methods are required to inform clinical efficacy and optimal dosing regimens.
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Affiliation(s)
- Gerwyn Morris
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Elizabeth Gamage
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Nikolaj Travica
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Michael Berk
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Felice N Jacka
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Adrienne O'Neil
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | | | - Andre F Carvalho
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Chiara C Bortolasci
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Ken Walder
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Wolfgang Marx
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia.
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40
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Yudi Utomo R, Asawa Y, Okada S, Ban HS, Yoshimori A, Bajorath J, Nakamura H. Development of curcumin-based amyloid β aggregation inhibitors for Alzheimer's disease using the SAR matrix approach. Bioorg Med Chem 2021; 46:116357. [PMID: 34391121 DOI: 10.1016/j.bmc.2021.116357] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 07/30/2021] [Accepted: 08/01/2021] [Indexed: 02/09/2023]
Abstract
Amyloid β (Aβ) aggregation inhibitor activity cliff involving a curcumin structure was predicted using the SAR Matrix method on the basis of 697 known Aβ inhibitors from ChEMBL (data set 2487). Among the compounds predicted, compound B was found to possess approximately 100 times higher inhibitory activity toward Aβ aggregation than curcumin. TEM images indicate that compound B induced the shortening of Aβ fibrils and increased the generation of Aβ oligomers in a concentration dependent manner. Furthermore, compound K, in which the methyl ester of compound B was replaced by the tert-butyl ester, possessed low cytotoxicity on N2A cells and attenuated Aβ-induced cytotoxicity, indicating that compound K would have an ability for preventing neurotoxicity caused by Aβ aggregation.
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Affiliation(s)
- Rohmad Yudi Utomo
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta‑cho, Midori‑ku, Yokohama 226‑8501, Japan
| | - Yasunobu Asawa
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta‑cho, Midori‑ku, Yokohama 226‑8501, Japan
| | - Satoshi Okada
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta‑cho, Midori‑ku, Yokohama 226‑8501, Japan; Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta‑cho, Midori‑ku, Yokohama 226‑8503, Japan
| | - Hyun Seung Ban
- Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, South Korea
| | - Atsushi Yoshimori
- Institute for Theoretical Medicine, Inc., 26‑1, Muraoka‑Higashi 2‑chome, Fujisawa, Kanagawa 251‑0012, Japan
| | - Jürgen Bajorath
- Department of Life Science Informatics, B‑IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität Friedrich-Hirzebruch-Allee 6, 53115 Bonn, Germany
| | - Hiroyuki Nakamura
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta‑cho, Midori‑ku, Yokohama 226‑8501, Japan; Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta‑cho, Midori‑ku, Yokohama 226‑8503, Japan.
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41
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Hussain Y, Islam L, Khan H, Filosa R, Aschner M, Javed S. Curcumin-cisplatin chemotherapy: A novel strategy in promoting chemotherapy efficacy and reducing side effects. Phytother Res 2021; 35:6514-6529. [PMID: 34347326 DOI: 10.1002/ptr.7225] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/08/2021] [Accepted: 07/12/2021] [Indexed: 12/13/2022]
Abstract
The efficacy of chemotherapy in cancer therapy is limited due to resistance, treatment selectivity, and severe adverse effects. Immunotherapy, chemotherapy, targeted therapy, radiation, and surgery are the most common therapeutic strategies for treatment, with chemotherapy being the most successful. Nonetheless, these treatments exhibit poor effectiveness due to toxicity and resistance. Therefore, combination therapies of natural products may be used as an effective and novel strategy to overcome such barriers. Cisplatin is a platinum-based chemotherapy agent, and when administered alone, it can lead to severe adverse effects and resistance mechanism resulting in therapeutic failure. Curcumin is a polyphenolic compound extracted from turmeric (Curcuma longa) exhibiting anticancer potential with minimal adverse effects. The combination therapy of curcumin and cisplatin is a novel strategy to mitigate/attenuate cisplatin-related adverse effects and improve the barrier of resistance reducing unwanted effects. However, there are uncertainties on the efficacy of curcumin, and more in depth and high-quality studies are needed. This review aims to explain the adverse effects related to individual cisplatin delivery, the positive outcome of individual curcumin delivery, and the combination therapy of curcumin and cisplatin from nano platform as a novel strategy for cancer therapy.
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Affiliation(s)
- Yaseen Hussain
- Lab of Controlled Release and Drug Delivery System, College of Pharmaceutical Sciences, Soochow University, Suzhou, China
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Lubna Islam
- Department of Pharmacy, University of Malakand, Dir Lower Chakdara, KPK, Pakistan
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Rosanna Filosa
- Department of Experimental Medicine, University of Campania, "L. Vanvitelli", Naples, Italy
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Saba Javed
- Department of Zoology, Hazara University, Mansehra, Pakistan
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42
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Nutraceutical and Probiotic Approaches to Examine Molecular Interactions of the Amyloid Precursor Protein APP in Drosophila Models of Alzheimer's Disease. Int J Mol Sci 2021; 22:ijms22137022. [PMID: 34209883 PMCID: PMC8269328 DOI: 10.3390/ijms22137022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 12/12/2022] Open
Abstract
Studies using animal models have shed light into the molecular and cellular basis for the neuropathology observed in patients with Alzheimer’s disease (AD). In particular, the role of the amyloid precursor protein (APP) plays a crucial role in the formation of senile plaques and aging-dependent degeneration. Here, we focus our review on recent findings using the Drosophila AD model to expand our understanding of APP molecular function and interactions, including insights gained from the fly homolog APP-like (APPL). Finally, as there is still no cure for AD, we review some approaches that have shown promising results in ameliorating AD-associated phenotypes, with special attention on the use of nutraceuticals and their molecular effects, as well as interactions with the gut microbiome. Overall, the phenomena described here are of fundamental significance for understanding network development and degeneration. Given the highly conserved nature of fundamental signaling pathways, the insight gained from animal models such as Drosophila melanogaster will likely advance the understanding of the mammalian brain, and thus be relevant to human health.
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43
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Shabbir U, Arshad MS, Sameen A, Oh DH. Crosstalk between Gut and Brain in Alzheimer's Disease: The Role of Gut Microbiota Modulation Strategies. Nutrients 2021; 13:nu13020690. [PMID: 33669988 PMCID: PMC7924846 DOI: 10.3390/nu13020690] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/12/2021] [Accepted: 02/17/2021] [Indexed: 02/06/2023] Open
Abstract
The gut microbiota (GM) represents a diverse and dynamic population of microorganisms and about 100 trillion symbiotic microbial cells that dwell in the gastrointestinal tract. Studies suggest that the GM can influence the health of the host, and several factors can modify the GM composition, such as diet, drug intake, lifestyle, and geographical locations. Gut dysbiosis can affect brain immune homeostasis through the microbiota–gut–brain axis and can play a key role in the pathogenesis of neurodegenerative diseases, including dementia and Alzheimer’s disease (AD). The relationship between gut dysbiosis and AD is still elusive, but emerging evidence suggests that it can enhance the secretion of lipopolysaccharides and amyloids that may disturb intestinal permeability and the blood–brain barrier. In addition, it can promote the hallmarks of AD, such as oxidative stress, neuroinflammation, amyloid-beta formation, insulin resistance, and ultimately the causation of neural death. Poor dietary habits and aging, along with inflammatory responses due to dysbiosis, may contribute to the pathogenesis of AD. Thus, GM modulation through diet, probiotics, or fecal microbiota transplantation could represent potential therapeutics in AD. In this review, we discuss the role of GM dysbiosis in AD and potential therapeutic strategies to modulate GM in AD.
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Affiliation(s)
- Umair Shabbir
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea;
| | - Muhammad Sajid Arshad
- Department of Food Science, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan;
| | - Aysha Sameen
- National Institute of Food Science and Technology, Faculty of Food, Nutrition and Home Sciences, University of Agriculture, Faisalabad 38000, Pakistan;
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea;
- Correspondence: ; Tel.: +82-33-250-6457
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44
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Favero G, Moretti E, Krajčíková K, Tomečková V, Rezzani R. Evidence of Polyphenols Efficacy against Dry Eye Disease. Antioxidants (Basel) 2021; 10:antiox10020190. [PMID: 33525721 PMCID: PMC7911148 DOI: 10.3390/antiox10020190] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/25/2021] [Accepted: 01/25/2021] [Indexed: 12/15/2022] Open
Abstract
Dry eye disease is a multifactorial pathology compromising the quality of life of patients, resulting in significant damage of the ocular surface and discomfort. The current therapeutical strategies are not able to definitively resolve the underlying causes and stop the symptoms. Polyphenols are promising natural molecules that are receiving increasing attention for their activity/effects in counteracting the main pathologic mechanisms of dry eye disease and reducing its symptoms. In the present review, a deep literature search focusing on the main polyphenols tested against dry eye disease was conducted, analyzing related in vitro, in vivo, and clinical studies to provide a comprehensive and current review on the state of the art. Polyphenols present multiple effects against dry eye diseases-related ocular surface injury. In particular, the observed beneficial effects of polyphenols on corneal cells are the reduction of the pathological processes of inflammation, oxidative stress, and apoptosis and modulation of the tear film. Due to numerous studies reporting that polyphenols are effective and safe for treating the pathological mechanisms of this ocular surface disease, we believe that future studies should confirm and extend the evidence of polyphenols efficacy in clinical practice against dry eye disease and help to develop new ophthalmic drug(s).
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Affiliation(s)
- Gaia Favero
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (G.F.); (E.M.)
| | - Enrico Moretti
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (G.F.); (E.M.)
| | - Kristína Krajčíková
- Department of Medical and Clinical Biochemistry, Faculty of Medicine, Pavol Jozef Šafárik University, 040 12 Košice, Slovakia; (K.K.); (V.T.)
| | - Vladimíra Tomečková
- Department of Medical and Clinical Biochemistry, Faculty of Medicine, Pavol Jozef Šafárik University, 040 12 Košice, Slovakia; (K.K.); (V.T.)
| | - Rita Rezzani
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (G.F.); (E.M.)
- Interdipartimental University Center of Research “Adaption and Regeneration of Tissues and Organs (ARTO)”, University of Brescia, 25123 Brescia, Italy
- Correspondence:
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45
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Shabbir U, Rubab M, Daliri EBM, Chelliah R, Javed A, Oh DH. Curcumin, Quercetin, Catechins and Metabolic Diseases: The Role of Gut Microbiota. Nutrients 2021; 13:206. [PMID: 33445760 PMCID: PMC7828240 DOI: 10.3390/nu13010206] [Citation(s) in RCA: 136] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 02/07/2023] Open
Abstract
Polyphenols (PPs) are the naturally occurring bioactive components in fruits and vegetables, and they are the most abundant antioxidant in the human diet. Studies are suggesting that ingestion of PPs might be helpful to ameliorate metabolic syndromes that may contribute in the prevention of several chronic disorders like diabetes, obesity, hypertension, and colon cancer. PPs have structural diversity which impacts their bioavailability as they accumulate in the large intestine and are extensively metabolized through gut microbiota (GM). Intestinal microbiota transforms PPs into their metabolites to make them bioactive. Interestingly, not only GM act on PPs to metabolize them but PPs also modulate the composition of GM. Thus, change in GM from pathogenic to beneficial ones may be helpful to ameliorate gut health and associated diseases. However, to overcome the low bioavailability of PPs, various approaches have been developed to improve their solubility and transportation through the gut. In this review, we present evidence supporting the structural changes that occur after metabolic reactions in PPs (curcumin, quercetin, and catechins) and their effect on GM composition that leads to improving overall gut health and helping to ameliorate metabolic disorders.
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Affiliation(s)
- Umair Shabbir
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Momna Rubab
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Eric Banan-Mwine Daliri
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Ahsan Javed
- Department of Food Science & Biotechnology, College of Agriculture and Life Sciences, Kyungpook National University, Daegu 41566, Korea;
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
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