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Güvel MC, Aykan U, Paykal G, Uluoğlu C. Chronic administration of caffeine, modafinil, AVL-3288 and CX516 induces time-dependent complex effects on cognition and mood in an animal model of sleep deprivation. Pharmacol Biochem Behav 2024; 241:173793. [PMID: 38823543 DOI: 10.1016/j.pbb.2024.173793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 06/03/2024]
Abstract
OBJECTIVE Caffeine and modafinil are used to reverse effects of sleep deprivation. Nicotinic alpha-7 receptor and AMPA receptor positive allosteric modulators (PAM) are also potential substances in this context. Our objective is to evaluate the effects of caffeine, modafinil, AVL-3288 (nicotinic alpha-7 PAM) and CX516 (AMPA receptor PAM) on cognition and mood in a model of sleep deprivation. METHOD Modified multiple platform model is used to sleep-deprive mice for 24 days, for 8 h/day. Vehicle, Modafinil (40 mg/kg), Caffeine (5 mg/kg), CX516 (10 mg/kg), and AVL3288 (1 mg/kg) were administered intraperitoneally daily. A cognitive test battery was applied every six days for four times. The battery that included elevated plus maze, novel object recognition, and sucrose preference tests was administered on consecutive days. RESULTS Sleep deprivation decreased novel object recognition skill, but no significant difference was found in anxiety and depressive mood. Caffeine administration decreased anxiety-like behavior in short term, but this effect disappeared in chronic administration. Caffeine administration increased memory performance in chronic period. AVL group showed better memory performance in short term, but this effect disappeared in the rest of experiment. Although, in the modafinil group, no significant change in mood and memory was observed, anhedonia was observed in the chronic period in vehicle, caffeine and modafinil groups, but not in AVL-3288 and CX-516 groups. CONCLUSION Caffeine has anxiolytic effect in acute administration. The improvement of memory in chronic period may be associated with the neuroprotective effects of caffeine. AVL-3288 had a short-term positive effect on memory, but tolerance to these effects developed over time. Furthermore, no anhedonia was observed in AVL-3288 and CX516 groups in contrast to vehicle, caffeine and modafinil groups. This indicates that AVL-3288 and CX516 may show protective effect against depression.
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Affiliation(s)
- Muhammed Cihan Güvel
- Department of Medical Pharmacology, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Utku Aykan
- Department of Medical Pharmacology, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Gökçen Paykal
- Department of Medical Pharmacology, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Canan Uluoğlu
- Department of Medical Pharmacology, Gazi University Faculty of Medicine, Ankara, Turkey; Neuroscience and Neurotechnology Center of Excellence (NÖROM), Ankara, Turkey.
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Li F, Liu X, Jiang B, Li X, Wang Y, Chen X, Su Y, Wang X, Luo J, Chen L, Li J, Lv Q, Xiao J, Wu J, Ma J, Qin P. Tea, coffee, and caffeine intake and risk of dementia and Alzheimer's disease: a systematic review and meta-analysis of cohort studies. Food Funct 2024. [PMID: 39054894 DOI: 10.1039/d4fo01750a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Background: Limited and conflicting evidence exists for the associations between tea, coffee, and caffeine intake and risk of dementia and Alzheimer's disease (AD). This meta-analysis aimed to elucidate these associations and quantify potential dose-response relationships. Methods: PubMed, EMBASE, and Web of Science were searched up to 11 June 2024 for cohort studies. Random effects models were used to calculate pooled relative risks (RRs) and 95% confidence intervals (CIs), with the dose-response relationship assessed using restricted cubic splines. The Grading of Recommendations Assessment Development and Evaluation (GRADE) tool was used to assess the risk of bias. Results: Our analysis encompassed 38 cohorts, totalling 751 824 participants and 13 017 dementia and 17 341 AD cases. For dementia, compared with the lowest category, the pooled RRs (95% CI) in the highest category of tea, coffee, and caffeine were 0.84 (0.74-0.96, n = 6), 0.95 (0.87-1.02, n = 9), and 0.94 (0.70-1.25, n = 5), with all rated as low certainty in GRADE. For AD, the pooled RRs (95% CI) in the highest category of tea, coffee, and caffeine compared to the lowest category were 0.93 (0.87-1.00, n = 6), 1.01 (0.90-1.12, n = 10), and 1.34 (1.04-1.74, n = 2), with certainty ratings of low, low, and very low, respectively. Dose-response analysis indicated a non-linear relationship between coffee intake (Poverall = 0.04 and Pnonlinear = 0.01) and dementia risk, showing the protective association of risk of dementia with 1 to 3 cups per day of coffee intake. There is a linear association between tea intake and risk of dementia, with a significantly decreased risk of dementia for each 1 cup per day increase in tea consumption (0.96, 95% CI 0.94-0.99, Poverall = 0.01 and Pnonlinear = 0.68). Conclusion: Increased tea consumption was associated with a decreased risk of dementia and AD, and a non-linear relationship was found between coffee and dementia, supporting public health recommendations for dementia prevention.
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Affiliation(s)
- Fengjuan Li
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Xiaoning Liu
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Bin Jiang
- Department of Neurology, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Xinying Li
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Yanqi Wang
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Xiaojuan Chen
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Yuhao Su
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
- School of Public Health, Shantou University, Shantou, Guangdong, China
| | - Xiaojie Wang
- Department of Neurology, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Jun Luo
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Lifang Chen
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Jiangtao Li
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Qian Lv
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Jian Xiao
- Department of Cardiovascular Medicine, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, Guangdong, China
| | - Jun Wu
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
| | - Jianping Ma
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
| | - Pei Qin
- Center for Clinical Epidemiology and Evidence-Based Medicine, Shenzhen Qianhai Shekou Free Trade Zone, Hospital, Shenzhen, Guangdong, China.
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Xiang Y, Naik S, Zhao L, Shi J, Ke H. Emerging phosphodiesterase inhibitors for treatment of neurodegenerative diseases. Med Res Rev 2024; 44:1404-1445. [PMID: 38279990 DOI: 10.1002/med.22017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 12/13/2023] [Accepted: 01/09/2024] [Indexed: 01/29/2024]
Abstract
Neurodegenerative diseases (NDs) cause progressive loss of neuron structure and ultimately lead to neuronal cell death. Since the available drugs show only limited symptomatic relief, NDs are currently considered as incurable. This review will illustrate the principal roles of the signaling systems of cyclic adenosine and guanosine 3',5'-monophosphates (cAMP and cGMP) in the neuronal functions, and summarize expression/activity changes of the associated enzymes in the ND patients, including cyclases, protein kinases, and phosphodiesterases (PDEs). As the sole enzymes hydrolyzing cAMP and cGMP, PDEs are logical targets for modification of neurodegeneration. We will focus on PDE inhibitors and their potentials as disease-modifying therapeutics for the treatment of Alzheimer's disease, Parkinson's disease, and Huntington's disease. For the overlapped but distinct contributions of cAMP and cGMP to NDs, we hypothesize that dual PDE inhibitors, which simultaneously regulate both cAMP and cGMP signaling pathways, may have complementary and synergistic effects on modifying neurodegeneration and thus represent a new direction on the discovery of ND drugs.
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Affiliation(s)
- Yu Xiang
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Swapna Naik
- Department of Pharmacology, Yale Cancer Biology Institute, Yale University, West Haven, Connecticut, USA
| | - Liyun Zhao
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Jianyou Shi
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Hengming Ke
- Department of Biochemistry and Biophysics, The University of North Carolina, Chapel Hill, North Carolina, USA
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Gao L, Sun W, Zhang L, Liang C, Zhang D. Caffeine upregulates SIRT3 expression to ameliorate astrocytes-mediated HIV-1 Tat neurotoxicity via suppression of EGR1 signaling pathway. J Neurovirol 2024:10.1007/s13365-024-01222-x. [PMID: 38926255 DOI: 10.1007/s13365-024-01222-x] [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: 05/08/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
Caffeine is one of the most popular consumed psychostimulants that mitigates several neurodegenerative diseases. Nevertheless, the roles and molecular mechanisms of caffeine in HIV-associated neurocognitive disorders (HAND) remain largely unclear. Transactivator of transcription (Tat) is a major contributor to the neuropathogenesis of HAND in the central nervous system. In the present study, we determined that caffeine (100 µM) treatment significantly ameliorated Tat-induced decreased astrocytic viability, oxidative stress, inflammatory response and excessive glutamate and ATP release, thereby protecting neurons from apoptosis. Subsequently, SIRT3 was demonstrated to display neuroprotective effects against Tat during caffeine treatment. In addition, Tat downregulated SIRT3 expression via activation of EGR1 signaling, which was reversed by caffeine treatment in astrocytes. Overexpression of EGR1 entirely abolished the neuroprotective effects of caffeine against Tat. Furthermore, counteracting Tat or caffeine-induced differential expression of SIRT3 abrogated the neuroprotection of caffeine against Tat-triggered astrocytic dysfunction and neuronal apoptosis. Taken together, our study establishes that caffeine ameliorates astrocytes-mediated Tat neurotoxicity by targeting EGR1/SIRT3 signaling pathway. Our findings highlight the beneficial effects of caffeine on Tat-induced astrocytic dysfunction and neuronal death and propose that caffeine might be a novel therapeutic drug for relief of HAND.
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Affiliation(s)
- Lin Gao
- Medical Research Center, Affiliated Hospital 2 of Nantong University, No. 666, Shengli Road, Nantong, 226001, Jiangsu, People's Republic of China.
- Jiangsu Provincial Medical Key Discipline (Laboratory) Cultivation Unit, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China.
- Nantong Municipal Medical Key Laboratory of Molecular Immunology, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China.
- Nantong Municipal Key Laboratory of Metabolic Immunology and Disease Microenvironment, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China.
| | - Weixi Sun
- Disease Prevention and Control Center of Chongchuan District, Nantong, 226000, People's Republic of China
- Health Commission of Chongchuan District, Nantong, 226000, People's Republic of China
| | - Lei Zhang
- Nantong Health College of Jiangsu Province, Nantong, 226001, People's Republic of China
| | - Caixia Liang
- Medical Research Center, Affiliated Hospital 2 of Nantong University, No. 666, Shengli Road, Nantong, 226001, Jiangsu, People's Republic of China
- Jiangsu Provincial Medical Key Discipline (Laboratory) Cultivation Unit, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China
- Nantong Municipal Medical Key Laboratory of Molecular Immunology, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China
- Nantong Municipal Key Laboratory of Metabolic Immunology and Disease Microenvironment, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China
| | - Dongmei Zhang
- Medical Research Center, Affiliated Hospital 2 of Nantong University, No. 666, Shengli Road, Nantong, 226001, Jiangsu, People's Republic of China.
- Jiangsu Provincial Medical Key Discipline (Laboratory) Cultivation Unit, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China.
- Nantong Municipal Medical Key Laboratory of Molecular Immunology, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China.
- Nantong Municipal Key Laboratory of Metabolic Immunology and Disease Microenvironment, Medical Research Center, Nantong First People's Hospital, Nantong, 226001, People's Republic of China.
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Ning P, Mu X, Guo X, Li R. Hearing loss is not associated with risk of Parkinson's disease: A Mendelian randomization study. Heliyon 2024; 10:e32533. [PMID: 38961984 PMCID: PMC11219492 DOI: 10.1016/j.heliyon.2024.e32533] [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: 12/24/2023] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 07/05/2024] Open
Abstract
Purpose A few observational studies have indicated that Parkinson's disease (PD) risk may be higher in those with hearing loss, but the two's causal relationship is yet unknown. Using Mendelian randomization (MR) methods, this study sought to explore the causal link between hearing loss and the risk of PD. Methods We identified single nucleotide polymorphisms (SNPs) linked to hearing loss (P-value<5E-08) in a genome-wide association study (GWAS) included 323,978 people from the UK Biobank. The summary data for PD in the discovery group came from a GWAS meta-analysis of 33,647 cases and 449,056 healthy participants of European descent. Using summary data from the aforementioned GWAS of PD (N = 33,647) and hearing loss (N = 323,978), we carried out a two-sample MR study. As validation groups, two separate PD GWAS studies were used. Inverse variance weighting (IVW) was utilized in the principal MR analysis. For our findings to be reliable, further analyses were carried out with the Cochran's Q test, MR-Egger intercept, and leave-one-out analysis. In addition, we assessed the causal link between various forms of hearing loss and PD using the IVW approach. Results Twenty-two SNPs with genome-wide significance linked to hearing loss were used as instrumental factors. In the discovery dataset, we failed to detect a causal relationship between hearing loss and PD (OR = 1.297; 95 % CI = 0.420-4.007; P-value = 0.651). The findings of other methods agreed with the IVW method. The results were robust under sensitivity analyses. Furthermore, the above findings were confirmed in two validation PD datasets. Additionally, no causal correlation was found between genetic prediction of four different types of hearing loss and PD (conductive hearing loss, IVW: OR = 1.058, 95%CI = 0.988-1.133, P-value = 0.108; sudden idiopathic hearing loss, IVW: OR = 0.936, 95%CI = 0.863-1.016, P-value = 0.113; mixed conductive and sensorineural hearing loss, IVW: OR = 0.963, 95%CI = 0.878-1.058, P-value = 0.436; sensorineural hearing loss, IVW: OR = 1.050, 95%CI = 0.948-1.161, P-value = 0.354). Conclusion In those of European heritage, our investigation revealed no causal link between hearing loss and PD risk.
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Affiliation(s)
- Pingping Ning
- Department of Geriatric Neurology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China
- Shaanxi Provincial Clinical Research Center for Geriatric Medicine, Xi'an, 710068, China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Xin Mu
- Department of Neurology, Chengdu First People's Hospital, No. 18 Wanxiang North Road, Chengdu, 610041, China
| | - Xingzhi Guo
- Department of Geriatric Neurology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China
- Shaanxi Provincial Clinical Research Center for Geriatric Medicine, Xi'an, 710068, China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Rui Li
- Department of Geriatric Neurology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China
- Shaanxi Provincial Clinical Research Center for Geriatric Medicine, Xi'an, 710068, China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, China
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Lemes Dos Santos Sanna P, Bernardes Carvalho L, Cristina Dos Santos Afonso C, de Carvalho K, Aires R, Souza J, Rodrigues Ferreira M, Birbrair A, Martha Bernardi M, Latini A, Foganholi da Silva RA. Adora2A downregulation promotes caffeine neuroprotective effect against LPS-induced neuroinflammation in the hippocampus. Brain Res 2024; 1833:148866. [PMID: 38494098 DOI: 10.1016/j.brainres.2024.148866] [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: 01/16/2024] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 03/19/2024]
Abstract
Caffeine has been extensively studied in the context of CNS pathologies as many researchers have shown that consuming it reduces pro-inflammatory biomarkers, potentially delaying the progression of neurodegenerative pathologies. Several lines of evidence suggest that adenosine receptors, especially A1 and A2A receptors, are the main targets of its neuroprotective action. We found that caffeine pretreatment 15 min before LPS administration reduced the expression of Il1b in the hippocampus and striatum. The harmful modulation of caffeine-induced inflammatory response involved the downregulation of the expression of A2A receptors, especially in the hippocampus. Caffeine treatment alone promoted the downregulation of the adenosinergic receptor Adora2A; however, this promotion effect was reversed by LPS. Although administering caffeine increased the expression of the enzymes DNA methyltransferases 1 and 3A and decreased the expression of the demethylase enzyme Tet1, this effect was reversed by LPS in the hippocampus of mice that were administered Caffeine + LPS, relative to the basal condition; no significant differences were observed in the methylation status of the promoter regions of adenosine receptors. Finally, the bioinformatics analysis of the expanded network demonstrated the following results: the Adora2B gene connects the extended networks of the adenosine receptors Adora1 and Adora2A; the Mapk3 and Esr1 genes connect the extended Adora1 network; the Mapk4 and Arrb2 genes connect the extended Adora2A network with the extended network of the proinflammatory cytokine Il1β. These results indicated that the anti-inflammatory effects of acute caffeine administration in the hippocampus may be mediated by a complex network of interdependencies between the Adora2B and Adora2A genes.
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Affiliation(s)
| | | | | | - Kassia de Carvalho
- Center for Epigenetic Study and Genic Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, São Paulo, Brazil
| | - Rogério Aires
- Center for Epigenetic Study and Genic Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, São Paulo, Brazil
| | - Jennyffer Souza
- Laboratory of Bioenergetics and Oxidative Stress - LABOX, Department of Biochemistry, Center for Biological Sciences, Federal University of Santa Catarina, Florianopolis, Brazil
| | - Marcel Rodrigues Ferreira
- Molecular Genetics and Bioinformatics Laboratory, Experimental Research Unity, Botucatu Medical School, São Paulo State University, Brazil.
| | - Alexander Birbrair
- Department of Dermatology, University of Wisconsin-Madison, Madison, WI, USA
| | - Maria Martha Bernardi
- Center for Epigenetic Study and Genic Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, São Paulo, Brazil
| | - Alexandra Latini
- Laboratory of Bioenergetics and Oxidative Stress - LABOX, Department of Biochemistry, Center for Biological Sciences, Federal University of Santa Catarina, Florianopolis, Brazil
| | - Rodrigo A Foganholi da Silva
- Dentistry, University of Taubaté, Taubaté, São Paulo, São Paulo, Brazil; Center for Epigenetic Study and Genic Regulation - CEEpiRG, Program in Environmental and Experimental Pathology, Paulista University, São Paulo, São Paulo, Brazil.
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Wang M, Guo W, Chen JF. Caffeine: a potential mechanism for anti-obesity. Purinergic Signal 2024:10.1007/s11302-024-10022-1. [PMID: 38802651 DOI: 10.1007/s11302-024-10022-1] [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: 03/05/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024] Open
Abstract
Obesity refers to the excessive accumulation of fat caused by a long-term imbalance between energy intake (EI) and energy expenditure (EE). Over recent years, obesity has become a major public health challenge. Caffeine is a natural product that has been demonstrated to exert anti-obesity effects; however, the mechanisms responsible for the effect of caffeine on weight loss have yet to be fully elucidated. Most obesity-related deaths are due to cardiovascular disease. Recent research has demonstrated that caffeine can reduce the risk of death from cardiovascular disease; thus, it can be hypothesized that caffeine may represent a new therapeutic agent for weight loss. In this review, we synthesize data arising from clinical and animal studies over the last decade and discuss the potential mechanisms by which caffeine may induce weight loss, focusing particularly on increasing energy consumption, suppressing appetite, altering lipid metabolism, and influencing the gut microbiota. Finally, we summarize the major challenges associated with caffeine and anti-obesity research and highlight possible directions for future research and development.
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Affiliation(s)
- Meng Wang
- International Joint Research Center on Purinergic Signaling, School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Wei Guo
- The Molecular Neuropharmacology Laboratory and the Eye-Brain Research Center, State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China
| | - Jiang-Fan Chen
- The Molecular Neuropharmacology Laboratory and the Eye-Brain Research Center, State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
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Lorrai R, Cavaterra D, Giammaria S, Sbardella D, Tundo GR, Boccaccini A. Eye Diseases: When the Solution Comes from Plant Alkaloids. PLANTA MEDICA 2024; 90:426-439. [PMID: 38452806 DOI: 10.1055/a-2283-2350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Plants are an incredible source of metabolites showing a wide range of biological activities. Among these, there are the alkaloids, which have been exploited for medical purposes since ancient times. Nowadays, many plant-derived alkaloids are the main components of drugs used as therapy for different human diseases. This review deals with providing an overview of the alkaloids used to treat eye diseases, describing the historical outline, the plants from which they are extracted, and the clinical and molecular data supporting their therapeutic activity. Among the different alkaloids that have found application in medicine so far, atropine and pilocarpine are the most characterized ones. Conversely, caffeine and berberine have been proposed for the treatment of different eye disorders, but further studies are still necessary to fully understand their clinical value. Lastly, the alkaloid used for managing hypertension, reserpine, has been recently identified as a potential drug for ameliorating retinal disorders. Other important aspects discussed in this review are different solutions for alkaloid production. Given that the industrial production of many of the plant-derived alkaloids still relies on extraction from plants, and the chemical synthesis can be highly expensive and poorly efficient, alternative methods need to be found. Biotechnologies offer a multitude of possibilities to overcome these issues, spanning from genetic engineering to synthetic biology for microorganisms and bioreactors for plant cell cultures. However, further efforts are needed to completely satisfy the pharmaceutical demand.
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Affiliation(s)
- Riccardo Lorrai
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Dario Cavaterra
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Tor Vergata, Rome, Italy
| | | | | | - Grazia Raffaella Tundo
- Dipartimento di Scienze Cliniche e Medicina Traslazionale, Università di Roma Tor Vergata, Rome, Italy
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Dutra NS, da Silva D’Ávila CM, da Silva TC, de Oliveira Mendes T, Livinalli IC, Bertoncelli ACZ, Saccol FK, Cadoná FC. Biological properties of caffeine, (+)-catechin, and theobromine: an in silico study. 3 Biotech 2024; 14:94. [PMID: 38444785 PMCID: PMC10909812 DOI: 10.1007/s13205-024-03934-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 01/15/2024] [Indexed: 03/07/2024] Open
Abstract
We analyzed here the in silico biological activities of caffeine, (+)-catechin, and theobromine. For this, the PubChem database of the NIH (National Institutes of Health) was used to obtain the SMILE canonical form of the bioactive molecules, and the free software PASS Online (Prediction of Activity Spectra for Substances) from the Way2Drug portal. Also, we conducted an in vitro experiment using a chronic myeloid leukemia (CML) cell line (K562) to confirm some results found in in silico investigation. These cells were exposed to different concentrations of caffeine, (+)-catechin, and theobromine for 72 h. The results found in this in silico study suggested that caffeine, (+)-catechin, and theobromine showed excellent biological properties, such as antioxidant, anti-inflammatory, and anticarcinogenic, as well as protection against cardiovascular, diabetes, neurological, allergic, respiratory, and other therapeutic activities. These findings can be elucidated through the modulation exerted by these bioactive molecules in many biochemical pathways involved in organism homeostasis, such as free radical scavenger action, oxidoreductase inhibitor, membrane permeability inhibitor, and lipid peroxidase inhibitor. In addition, we have found here that caffeine, (+)-catechin, and theobromine have a remarkable anti-inflammatory activity which plays an important role in the therapeutic approach of COVID-19. Moreover, our in vitro findings confirmed the in silico results regarding anticancer activity since these molecules reduce cell proliferation at all tested concentrations. Therefore, since these molecules exhibit important medicinal activities, further investigations should be conducted to reveal new therapies to improve the treatments and prevention of numerous disorders and, consequently, promote human health.
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Affiliation(s)
- Nara Saraiva Dutra
- Post-Graduate Program in Health and Life Sciences, Franciscan University, 1614 Andradas Street, Santa Maria, RS 97010-032 Brazil
| | | | | | | | | | | | | | - Francine Carla Cadoná
- Post-Graduate Program in Health and Life Sciences, Franciscan University, 1614 Andradas Street, Santa Maria, RS 97010-032 Brazil
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Bozkır Ç, Tuğgüm S, Kağan N, Nizam B, Alpsoy Ş. Caffeine intake in adults with cardiovascular diseases; A cross-sectional study. Nutr Health 2024; 30:139-148. [PMID: 35763489 DOI: 10.1177/02601060221105030] [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: 11/16/2022]
Abstract
Background: Caffeine in the safe dose range has been associated with a reduction in the risk of chronic diseases. There is evidence that caffeine intake has both protective and negative effects on cardiovascular diseases. Aim: This study aimed to investigate caffeine intake in cardiovascular patients. Methods: The study sample was selected from individuals who applied to the Cardiology policlinic of Tekirdağ Namık Kemal University Hospital. A questionnaire was applied using face-to-face interview method to determine their demographic information, nutritional status and anthropometric measurements. Moreover, the nutritional status of the participants was determined by the Food Frequency Questionnaire and the type of cardiovascular disease was determined by a physician. The blood parameters of the sample for the last three months were questioned. The sample has been ninety people of whom fifty cardiovascular diseases (CVDs) were diagnosed and forty were non-diagnosed (ND). Results: The mean age of individuals (n = 90) was 43.2 ± 14.4. The BMI and waist circumference of the CVDs group were statistically significantly higher than the ND group (p < 0.001). While the total caffeine consumption of the ND group was 209.34 ± 143.85 mg/day, consumption of the CVDs group was 209.99 ± 196.76 mg/day. LDL cholesterol and total cholesterol did not show statistically significant difference between the two groups. However, HDL cholesterol was significantly higher in the ND group (p ≤ 0.001). Conclusion: Present results show that daily caffeine consumption may partially affect blood parameters associated with cardiovascular diseases, especially in the presence of coronary artery disease.
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Affiliation(s)
- Çiğdem Bozkır
- Department of Nutrition and Dietetic, Inonu University, Faculty of Health Sciences, Malatya, Turkey
| | - Sergen Tuğgüm
- Department of Nutrition and Dietetic, Tekirdağ Namık Kemal University, Health School, Tekirdag, Turkey
| | - Nursena Kağan
- Department of Nutrition and Dietetic, Tekirdağ Namık Kemal University, Health School, Tekirdag, Turkey
| | - Beydanur Nizam
- Department of Nutrition and Dietetic, Tekirdağ Namık Kemal University, Health School, Tekirdag, Turkey
| | - Şeref Alpsoy
- Department of Cardiology, Tekirdağ Namık Kemal University, Medicine School, Tekirdag, Turkey
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11
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Dong R, Zhang R, Shen C, Shen Y, Shen Z, Tian T, Wang J. Urinary caffeine and its metabolites in association with advanced liver fibrosis and liver steatosis: a nationwide cross-sectional study. Food Funct 2024; 15:2064-2077. [PMID: 38295369 DOI: 10.1039/d3fo04957d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
Aim: This study used urinary caffeine and its metabolites to evaluate their relationships with liver steatosis and advanced liver fibrosis. Methods: A total of 2068 adult participants with required data were filtered from the 2009-2014 National Health and Nutrition Examination Survey (NHANES) cycles. Non-invasive scores were applied to define liver steatosis and advanced liver fibrosis. Logistic regression models, weighted quantile sum (WQS) regression models, quantile-based g-computation (QG-Comp) models, and restricted cubic spline (RCS) regression models were used to assess the associations of urinary caffeine and its metabolites with liver steatosis and advanced liver fibrosis. A series of additional analyses were conducted to examine the subgroup-specific differences and test the robustness of the observed results. Results: The major caffeine metabolite mixture and most individual caffeine metabolites were found to be negatively associated with the risk of advanced liver fibrosis with subgroup-specific variations. Only 7-MX consistently showed a negative association with liver steatosis in all analyses, while no association was observed between the major caffeine metabolite mixture and liver steatosis. Conclusion: The major caffeine metabolite mixture and most individual urinary caffeine metabolites exhibited inverse associations with advanced liver fibrosis with subgroup differences. Further prospective and experimental studies are urgently needed to verify our results and further identify the possible mechanisms.
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Affiliation(s)
- Rui Dong
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, Nanjing, China.
| | - Ru Zhang
- Jiangsu College of Nursing, School of Nursing and Midwifery, Huaian, China
| | - Chao Shen
- Nanjing Municipal Center for Disease Control and Prevention, Nanjing, China
| | - Ya Shen
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China.
| | - Zhengkai Shen
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China.
| | - Ting Tian
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China.
| | - Jie Wang
- Department of Fundamental and Community Nursing, School of Nursing, Nanjing Medical University, Nanjing, China.
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12
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de Bem Alves AC, Aguiar AS. Caffeine plus haloperidol reduces fatigue in an experimental model of Parkinson's disease - a prospective to A 2AR-D 2R heterodimer antagonism. Purinergic Signal 2024; 20:29-34. [PMID: 36918462 PMCID: PMC10828253 DOI: 10.1007/s11302-023-09933-2] [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: 11/17/2022] [Accepted: 03/07/2023] [Indexed: 03/16/2023] Open
Abstract
Fatigue is a non-motor symptom of Parkinson's disease (PD). Adenosine 2A receptor (A2AR) and compromised dopamine neurotransmission are linked to fatigue. Studies demonstrate that A2AR antagonism potentiates dopamine transmission via dopamine receptor D2 (D2R). However, the heterodimer form of A2AR-D2R in the striatum prompted questions about the therapeutic targets for PD patients. This study investigates the effects of caffeine (A2AR non-selective antagonist) plus haloperidol (D2R selective antagonist) treatment in the fatigue induced by the reserpine model of PD. Reserpinized mice showed impaired motor control in the open field test (p < 0.05) and fatigue in the grip strength meter test (p < 0.05). L-DOPA and caffeine plus haloperidol similarly increased motor control (p < 0.05) and mitigated fatigue (p < 0.05). Our results support the A2AR-D2R heterodimer participation in the central fatigue of PD, and highlight the potential of A2AR-D2R antagonism in the management of PD.
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Affiliation(s)
- Ana Cristina de Bem Alves
- Laboratory of Exercise Biology (LaBioEx), Department of Health Sciences, Federal University of Santa Catarina (UFSC), Ararangua, SC, 88905-120, Brazil.
| | - Aderbal Silva Aguiar
- Laboratory of Exercise Biology (LaBioEx), Department of Health Sciences, Federal University of Santa Catarina (UFSC), Ararangua, SC, 88905-120, Brazil
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13
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Alkanad M, Hani U, V AH, Ghazwani M, Haider N, Osmani RAM, M D P, Hamsalakshmi, Bhat R. Bitter yet beneficial: The dual role of dietary alkaloids in managing diabetes and enhancing cognitive function. Biofactors 2024. [PMID: 38169069 DOI: 10.1002/biof.2034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024]
Abstract
With the rising prevalence of diabetes and its association with cognitive impairment, interest in the use of dietary alkaloids and other natural products has grown significantly. Understanding how these compounds manage diabetic cognitive dysfunction (DCD) is crucial. This comprehensive review explores the etiology of DCD and the effects of alkaloids in foods and dietary supplements that have been investigated as DCD therapies. Data on how dietary alkaloids like berberine, trigonelline, caffeine, capsaicin, 1-deoxynojirimycin, nuciferine, neferine, aegeline, tetramethylpyrazine, piperine, and others regulate cognition in diabetic disorders were collected from PubMed, Research Gate, Web of Science, Science Direct, and other relevant databases. Dietary alkaloids could improve memory in behavioral models and modulate the mechanisms underlying the cognitive benefits of these compounds, including their effects on glucose metabolism, gut microbiota, vasculopathy, neuroinflammation, and oxidative stress. Evidence suggests that dietary alkaloids hold promise for improving cognition in diabetic patients and could open exciting avenues for future research in diabetes management.
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Affiliation(s)
- Maged Alkanad
- Department of Pharmacognosy, Sri Adichunchanagiri College of Pharmacy, Adichunchanagiri University, Mandya, India
| | - Umme Hani
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Annegowda H V
- Department of Pharmacognosy, Sri Adichunchanagiri College of Pharmacy, Adichunchanagiri University, Mandya, India
| | - Mohammed Ghazwani
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Nazima Haider
- Department of Pathology, College of Medicine, King Khalid University, Abha, Saudi Arabia
| | - Riyaz Ali M Osmani
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
| | - Pandareesh M D
- Center for Research and Innovations, Adichunchanagiri University, BGSIT, Mandya, India
| | - Hamsalakshmi
- Department of Pharmacognosy, Cauvery College of Pharmacy, Cauvery Group of Institutions, Mysuru, India
| | - Rajeev Bhat
- ERA-Chair in Food By-Products Valorisation Technologies (VALORTECH), Estonian University of Life Sciences, Tartu, Estonia
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14
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Singh S, Chib S, Akhtar MJ, Kumar B, Chawla PA, Bhatia R. Paradigms and Success Stories of Natural Products in Drug Discovery Against Neurodegenerative Disorders (NDDs). Curr Neuropharmacol 2024; 22:992-1015. [PMID: 36606589 PMCID: PMC10964107 DOI: 10.2174/1570159x21666230105110834] [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: 05/16/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 01/07/2023] Open
Abstract
Neurodegenerative disorders (NDDs) are multifaceted complex disorders that have put a great health and economic burden around the globe nowadays. The multi-factorial nature of NDDs has presented a great challenge in drug discovery and continuous efforts are in progress in search of suitable therapeutic candidates. Nature has a great wealth of active principles in its lap that has cured the human population since ancient times. Natural products have revealed several benefits over conventional synthetic medications and scientists have shifted their vision towards exploring the therapeutic potentials of natural products in the past few years. The structural mimicking of natural compounds to endogenous ligands has presented them as a potential therapeutic candidate to prevent the development of NDDs. In the presented review, authors have summarized demographical facts about various NDDs including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and various types of sclerosis in the brain. The significant findings of new active principles of natural origin along with their therapeutic potentials on NDDs have been included. Also, a description of clinical trials and patents on natural products has been enlisted in this compilation. Although natural products have shown promising success in drug discovery against NDDs, still their use is associated with several ethical issues which need to be solved in the upcoming time.
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Affiliation(s)
- Sukhwinder Singh
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
| | - Shivani Chib
- Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, 142001, India
| | - Md. Jawaid Akhtar
- Department of Pharmaceutical Chemistry, College of Pharmacy, National University of Science and Technology, PO620, PC 130 Azaiba, Bousher, Muscat, Oman
| | - Bhupinder Kumar
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar, Garhwal, Uttarakhand, 246174, India
| | - Pooja A. Chawla
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
| | - Rohit Bhatia
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
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15
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Ng MG, Chan BJL, Koh RY, Ng KY, Chye SM. Prevention of Parkinson's Disease: From Risk Factors to Early Interventions. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:746-760. [PMID: 37326115 DOI: 10.2174/1871527322666230616092054] [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: 12/18/2022] [Revised: 05/15/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023]
Abstract
Parkinson's disease (PD) is a debilitating neurological disorder characterized by progressively worsening motor dysfunction. Currently, available therapies merely alleviate symptoms, and there are no cures. Consequently, some researchers have now shifted their attention to identifying the modifiable risk factors of PD, with the intention of possibly implementing early interventions to prevent the development of PD. Four primary risk factors for PD are discussed including environmental factors (pesticides and heavy metals), lifestyle (physical activity and dietary intake), drug abuse, and individual comorbidities. Additionally, clinical biomarkers, neuroimaging, biochemical biomarkers, and genetic biomarkers could also help to detect prodromal PD. This review compiled available evidence that illustrates the relationship between modifiable risk factors, biomarkers, and PD. In summary, we raise the distinct possibility of preventing PD via early interventions of the modifiable risk factors and early diagnosis.
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Affiliation(s)
- Ming Guan Ng
- School of Health Science, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Brendan Jun Lam Chan
- School of Health Science, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Rhun Yian Koh
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
| | - Khuen Yen Ng
- School of Pharmacy, Monash University, 47500 Selangor, Malaysia
| | - Soi Moi Chye
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
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16
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Phukan BC, Roy R, Gahatraj I, Bhattacharya P, Borah A. Therapeutic considerations of bioactive compounds in Alzheimer's disease and Parkinson's disease: Dissecting the molecular pathways. Phytother Res 2023; 37:5657-5699. [PMID: 37823581 DOI: 10.1002/ptr.8012] [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: 02/16/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 10/13/2023]
Abstract
Leading neurodegenerative diseases Alzheimer's disease (AD) and Parkinson's disease (PD) are characterized by the impairment of memory and motor functions, respectively. Despite several breakthroughs, there exists a lack of disease-modifying treatment strategies for these diseases, as the available drugs provide symptomatic relief and bring along side effects. Bioactive compounds are reported to bear neuroprotective properties with minimal toxicity, however, a detailed elucidation of their modes of neuroprotection is lacking. The review elucidates the neuroprotective mechanism(s) of some of the major phyto-compounds in pre-clinical and clinical studies of AD and PD to understand their potential in combating these diseases. Curcumin, eugenol, resveratrol, baicalein, sesamol and so on have proved efficient in countering the pathological hallmarks of AD and PD. Curcumin, resveratrol, caffeine and so on have reached the clinical phases of these diseases, while aromadendrin, delphinidin, cyanidin and xanthohumol are yet to be extensively explored in pre-clinical phases. The review highlights the need for extensive investigation of these compounds in the clinical stages of these diseases so as to utilize their disease-modifying abilities in the real field of treatment. Moreover, poor pharmacokinetic properties of natural compounds are constraints to their therapeutic yields and this review suggests a plausible contribution of nanotechnology in overcoming these limitations.
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Affiliation(s)
| | - Rubina Roy
- Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Indira Gahatraj
- Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Gandhinagar, Gujarat, India
| | - Anupom Borah
- Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
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17
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Robbins M. Therapies for Tau-associated neurodegenerative disorders: targeting molecules, synapses, and cells. Neural Regen Res 2023; 18:2633-2637. [PMID: 37449601 PMCID: PMC10358644 DOI: 10.4103/1673-5374.373670] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/14/2023] [Accepted: 03/15/2023] [Indexed: 07/18/2023] Open
Abstract
Advances in experimental and computational technologies continue to grow rapidly to provide novel avenues for the treatment of neurodegenerative disorders. Despite this, there remain only a handful of drugs that have shown success in late-stage clinical trials for Tau-associated neurodegenerative disorders. The most commonly prescribed treatments are symptomatic treatments such as cholinesterase inhibitors and N-methyl-D-aspartate receptor blockers that were approved for use in Alzheimer's disease. As diagnostic screening can detect disorders at earlier time points, the field needs pre-symptomatic treatments that can prevent, or significantly delay the progression of these disorders (Koychev et al., 2019). These approaches may be different from late-stage treatments that may help to ameliorate symptoms and slow progression once symptoms have become more advanced should early diagnostic screening fail. This mini-review will highlight five key avenues of academic and industrial research for identifying therapeutic strategies to treat Tau-associated neurodegenerative disorders. These avenues include investigating (1) the broad class of chemicals termed "small molecules"; (2) adaptive immunity through both passive and active antibody treatments; (3) innate immunity with an emphasis on microglial modulation; (4) synaptic compartments with the view that Tau-associated neurodegenerative disorders are synaptopathies. Although this mini-review will focus on Alzheimer's disease due to its prevalence, it will also argue the need to target other tauopathies, as through understanding Alzheimer's disease as a Tau-associated neurodegenerative disorder, we may be able to generalize treatment options. For this reason, added detail linking back specifically to Tau protein as a direct therapeutic target will be added to each topic.
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Affiliation(s)
- Miranda Robbins
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Ave, Trumpington, Cambridge, UK; University of Cambridge, Department of Zoology, Cambridge, UK
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18
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Song X, Kirtipal N, Lee S, Malý P, Bharadwaj S. Current therapeutic targets and multifaceted physiological impacts of caffeine. Phytother Res 2023; 37:5558-5598. [PMID: 37679309 DOI: 10.1002/ptr.8000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/04/2023] [Accepted: 08/17/2023] [Indexed: 09/09/2023]
Abstract
Caffeine, which shares consubstantial structural similarity with purine adenosine, has been demonstrated as a nonselective adenosine receptor antagonist for eliciting most of the biological functions at physiologically relevant dosages. Accumulating evidence supports caffeine's beneficial effects against different disorders, such as total cardiovascular diseases and type 2 diabetes. Conversely, paradoxical effects are also linked to caffeine ingestion in humans including hypertension-hypotension and tachycardia-bradycardia. These observations suggest the association of caffeine action with its ingested concentration and/or concurrent interaction with preferential molecular targets to direct explicit events in the human body. Thus, a coherent analysis of the functional targets of caffeine, relevant to normal physiology, and disease pathophysiology, is required to understand the pharmacology of caffeine. This review provides a broad overview of the experimentally validated targets of caffeine, particularly those of therapeutic interest, and the impacts of caffeine on organ-specific physiology and pathophysiology. Overall, the available empirical and epidemiological evidence supports the dose-dependent functional activities of caffeine and advocates for further studies to get insights into the caffeine-induced changes under specific conditions, such as asthma, DNA repair, and cancer, in view of its therapeutic applications.
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Affiliation(s)
- Xinjie Song
- Zhejiang Provincial Key Lab for Chemical and Biological Processing Technology of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Nikhil Kirtipal
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju, Republic of Korea
| | - Sunjae Lee
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju, Republic of Korea
| | - Petr Malý
- Laboratory of Ligand Engineering, Institute of Biotechnology of the Czech Academy of Sciences v.v.i, BIOCEV Research Center, Vestec, Czech Republic
| | - Shiv Bharadwaj
- Laboratory of Ligand Engineering, Institute of Biotechnology of the Czech Academy of Sciences v.v.i, BIOCEV Research Center, Vestec, Czech Republic
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19
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Zhang C, Zhang D, Huang H, Lu X, Shi H, Liu K, Guo X, Zhang R, Wang H. Cathepsin D mediates prenatal caffeine exposure-caused NAFLD susceptibility in male rat offspring by regulating autophagy. Free Radic Biol Med 2023; 208:684-699. [PMID: 37743032 DOI: 10.1016/j.freeradbiomed.2023.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 09/16/2023] [Accepted: 09/22/2023] [Indexed: 09/26/2023]
Abstract
Epidemiological evidence has revealed that non-alcoholic fatty liver disease (NAFLD) harbors an intrauterine origin. Autophagy is known to be involved in the protective mechanism in the development of adult NAFLD, but whether it engages in the occurrence of fetal-originated NAFLD remains unclear. In this study, a rat model of fetal-originated NAFLD was established by giving a high-fat diet or chronic stress after birth on prenatal caffeine exposure (PCE) male offspring. The alterations of liver morphologic analysis, lipid metabolism, and autophagy before and after birth were determined to confirm autophagy mechanism, NAFLD susceptibility, and intrauterine origin in PCE male adult offspring. Our results revealed that PCE-induced intrauterine high concentration of corticosterone exposure blocked autophagic flux by inhibiting cathepsin D expression in hepatocytes, leading to β-oxidation inhibition and lipid accumulation in the liver. Moreover, high concentration of corticosterone upregulated miR-665 by activating the glucocorticoid receptor to suppress cathepsin D, thus causing lysosomal degradation dysfunction and autophagy flux blockade. Notably, hepatic overexpression of cathepsin D could reverse PCE-induced postnatal NAFLD susceptibility in male rat offspring. This study elucidates the epigenetic programming mechanism of intrauterine autophagy-related fetal-originated NAFLD susceptibility, and identifies cathepsin D as its early intervention target, providing an experimental basis for exploring early prevention and treatment strategies for fetal-originated NAFLD.
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Affiliation(s)
- Cong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Dingmei Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Hegui Huang
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China; Wuhan No.1 Hospital, Wuhan, 430022, China
| | - Xiaoqian Lu
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Huasong Shi
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Kexin Liu
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xiaoling Guo
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Rui Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Hui Wang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, 430071, China.
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20
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Wu S, Zhu S, Mo F, Yuan X, Zheng Q, Bai Y, Yang W, Chen Q. Association of coffee consumption with the prevalence of hearing loss in US adults, NHANES 2003-2006. Public Health Nutr 2023; 26:2322-2332. [PMID: 37485659 DOI: 10.1017/s1368980023001271] [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: 07/25/2023]
Abstract
OBJECTIVE This study aims to explore the association between coffee consumption and the prevalence of hearing loss in American adults based on a national population-based survey. DESIGN Cross-sectional analysis of reported audiometric status and coffee intake from the 2003-2006 National Health and Nutrition Examination Survey (NHANES). Multivariate logistic regression, forest plots and restricted cubic spline (RCS) analyses were used to explore the associations and dose-response relationships between coffee consumption frequency and hearing loss. SETTING The USA. PARTICIPANT This study included 1894 individuals aged ≥ 20 from the 2003-2006 NHANES. RESULTS In this study, the prevalence of speech-frequency hearing loss (SFHL) and high-frequency hearing loss (HFHL) among the participants was 35·90 % and 51·54 %, respectively. Compared with those who no consumed coffee, non-Hispanic White who consumed ≥ 4 cups/d had higher prevalence of SFHL (OR: 1·87; 95 % CI: 1·003. 3·47). And a positive trend of coffee consumption frequency with the prevalence of HFHL was found (Ptrend = 0·001). This association of HFHL was similar for participants aged 20-64 (Ptrend = 0·001), non-Hispanic White (Ptrend = 0·002), non-noise exposure participants (Ptrend = 0·03) and noise-exposed participants (Ptrend = 0·003). The forest plots analysis found that the association between 1 cup-increment of daily coffee consumption and the prevalence of HFHL was statistically significant in males. RCS model supported a positive linear association of coffee consumption with SFHL (P for overall association = 0·02, P for nonlinearity = 0·48) and a positive non-linear association of coffee consumption with HFHL (P for overall association = 0·001, P for nonlinearity = 0·001). CONCLUSION Our findings suggested that coffee consumption was associated with higher prevalence of hearing loss. Further cohort studies in larger population are needed to investigate these findings.
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Affiliation(s)
- Shan Wu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Shiheng Zhu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Fengxin Mo
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Xiaojing Yuan
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Qiutong Zheng
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Yan Bai
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Wenhan Yang
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
| | - Qingsong Chen
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou510310, China
- NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, China
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21
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Ni Y, Zhang X, Li J, Lu Q, Chen H, Ma B, Liu C. Genetic diversity of Coffea arabica L. mitochondrial genomes caused by repeat- mediated recombination and RNA editing. FRONTIERS IN PLANT SCIENCE 2023; 14:1261012. [PMID: 37885664 PMCID: PMC10598636 DOI: 10.3389/fpls.2023.1261012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023]
Abstract
Background Coffea arabica L. is one of the most important crops widely cultivated in 70 countries across Asia, Africa, and Latin America. Mitochondria are essential organelles that play critical roles in cellular respiration, metabolism, and differentiation. C. arabica's nuclear and chloroplast genomes have been reported. However, its mitochondrial genome remained unreported. Here, we intended to sequence and characterize its mitochondrial genome to maximize the potential of its genomes for evolutionary studies, molecular breeding, and molecular marker developments. Results We sequenced the total DNA of C. arabica using Illumina and Nanopore platforms. We then assembled the mitochondrial genome with a hybrid strategy using Unicycler software. We found that the mitochondrial genome comprised two circular chromosomes with lengths of 867,678 bp and 153,529 bp, encoding 40 protein-coding genes, 26 tRNA genes, and three rRNA genes. We also detected 270 Simple Sequence Repeats and 34 tandem repeats in the mitochondrial genome. We found 515 high-scoring sequence pairs (HSPs) for a self-to-self similarity comparison using BLASTn. Three HSPs were found to mediate recombination by the mapping of long reads. Furthermore, we predicted 472 using deep-mt with the convolutional neural network model. Then we randomly validated 90 RNA editing events by PCR amplification and Sanger sequencing, with the majority being non-synonymous substitutions and only three being synonymous substitutions. These findings provide valuable insights into the genetic characteristics of the C. arabica mitochondrial genome, which can be helpful for future study on coffee breeding and mitochondrial genome evolution. Conclusion Our study sheds new light on the evolution of C. arabica organelle genomes and their potential use in genetic breeding, providing valuable data for developing molecular markers that can improve crop productivity and quality. Furthermore, the discovery of RNA editing events in the mitochondrial genome of C. arabica offers insights into the regulation of gene expression in this species, contributing to a better understanding of coffee genetics and evolution.
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Affiliation(s)
| | | | | | | | | | | | - Chang Liu
- Center for Bioinformatics, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
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22
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Le Sayec M, Carregosa D, Khalifa K, de Lucia C, Aarsland D, Santos CN, Rodriguez-Mateos A. Identification and quantification of (poly)phenol and methylxanthine metabolites in human cerebrospinal fluid: evidence of their ability to cross the BBB. Food Funct 2023; 14:8893-8902. [PMID: 37701930 PMCID: PMC10544810 DOI: 10.1039/d3fo01913f] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 08/31/2023] [Indexed: 09/14/2023]
Abstract
Increasing evidence suggests that dietary (poly)phenols and methylxanthines have neuroprotective effects; however, little is known about whether they can cross the blood-brain barrier (BBB) and exert direct effects on the brain. We investigated the presence of (poly)phenol and methylxanthine metabolites in plasma and cerebrospinal fluid (CSF) from 90 individuals at risk of dementia using liquid chromatography-mass spectrometry and predicted their mechanism of transport across the BBB using in silico modelling techniques. A total of 123 and 127 metabolites were detected in CSF and plasma, respectively. In silico analysis suggests that 5 of the 20 metabolites quantified in CSF can cross the BBB by passive diffusion, while at least 9 metabolites require the aid of cell transporters to cross the BBB. Our results showed that (poly)phenols and methylxanthines are bioavailable, can cross the BBB via passive diffusion or transport carriers, and can reach brain tissues to exert neuroprotective effects.
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Affiliation(s)
- Melanie Le Sayec
- Department of Nutritional Sciences, School of Life Course and Population Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK.
| | - Diogo Carregosa
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Khadija Khalifa
- Centre for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway
| | - Chiara de Lucia
- Centre for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Dag Aarsland
- Centre for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Cláudia N Santos
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Ana Rodriguez-Mateos
- Department of Nutritional Sciences, School of Life Course and Population Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK.
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23
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Paula TDMDE, Cardoso LC, Felicioni F, Caldeira-Brant AL, Santos TG, Castro-Oliveira H, Menezes GB, Bloise E, Chiarini-Garcia H, de Almeida FRCL. Maternal chronic caffeine intake impairs fertility, placental vascularization and fetal development in mice. Reprod Toxicol 2023; 121:108471. [PMID: 37717671 DOI: 10.1016/j.reprotox.2023.108471] [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: 08/08/2023] [Revised: 09/08/2023] [Accepted: 09/13/2023] [Indexed: 09/19/2023]
Abstract
Caffeine is commonly consumed by pregnant women to avoid fatigue or as a habit. However, it is not clearly determined its side effects to the conceptuses. This study evaluated placental morphofunctional alterations after maternal chronic caffeine intake and the effects on fetal growth. Female Swiss mice received, via gavage, caffeine doses (either 60, 120 or 240 mg/kg/day) seven days before mating until gestational days-(GD) 11.5 or 17.5. Fetal biometrical parameters were assessed, and placentae were either submitted to histomorphometrical or molecular evaluation of angiogenesis (placental growth factor-1[PlGF-1]), apoptosis (Caspase-3) and proliferation (Ki-67) markers (evaluated in Swiss dams) and to intravital microscopy (evaluated in C57BL/6 dams). Caffeine exposed fetuses exhibited intrauterine growth restriction in a sex-dependent manner, with greater commitment of female fetuses (P < 0.05). In addition, placentae from dams that received 120 mg/kg/day showed less irrigation by maternal blood and greater development of fetal vasculature, characterized by higher number of larger vessels (P < 0.05). Although no effects on apoptosis (Caspase-3) and angiogenesis (PlGF-1) were observed, dams treated with 60 mg/kg/day showed greater placental cell proliferation (Ki-67 staining) at GD 11.5 (P < 0.05). The group treated with 240 mg/kg/day exhibited only one pregnant dam for each gestational age, suggesting that this high caffeine consumption may compromise fertility. Taken together, even in the doses currently ingested by many pregnant women, caffeine has detrimental effects on placental vasculature and fetal development in mice. Therefore, our results strongly suggest that caffeine consumption in human pregnancies greater than the recommended doses should be avoided.
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Affiliation(s)
- Thais de Merici Domingues E Paula
- Laboratory of Structural Biology and Reproduction, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Lucas Carvalho Cardoso
- Laboratory of Structural Biology and Reproduction, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Fernando Felicioni
- Laboratory of Structural Biology and Reproduction, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Andre Lucas Caldeira-Brant
- Laboratory of Structural Biology and Reproduction, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Thais Garcia Santos
- Laboratory of Structural Biology and Reproduction, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Hortencia Castro-Oliveira
- Center of Gastrointestinal Biology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Gustavo Batista Menezes
- Center of Gastrointestinal Biology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Enrrico Bloise
- Laboratory of Molecular Pathogenesis, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Helio Chiarini-Garcia
- Laboratory of Structural Biology and Reproduction, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
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Belardo C, Boccella S, Perrone M, Fusco A, Morace AM, Ricciardi F, Bonsale R, ELBini-Dhouib I, Guida F, Luongo L, Bagetta G, Scuteri D, Maione S. Scopolamine-Induced Memory Impairment in Mice: Effects of PEA-OXA on Memory Retrieval and Hippocampal LTP. Int J Mol Sci 2023; 24:14399. [PMID: 37762702 PMCID: PMC10532394 DOI: 10.3390/ijms241814399] [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: 07/31/2023] [Revised: 08/30/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Transient global amnesia, both persistent and transient, is a very common neuropsychiatric syndrome. Among animal models for amnesia and testing new drugs, the scopolamine test is the most widely used for transient global amnesia (TGA). This study examined the scopolamine-induced deficits in working memory, discriminative memory, anxiety, and motor activity in the presence of intranasal PEA-OXA, a dual antagonist of presynaptic α2 and H3 receptors. Male C57BL/6 mice were treated with intraperitoneal scopolamine (1 mg/kg) with or without pre-treatment (15 min) or post-treatment (15 min) with intranasal PEA-OXA (10 mg/kg). It was seen that scopolamine induced deficits of discriminative and spatial memory and motor deficit. These changes were associated with a loss of synaptic plasticity in the hippocampal dentate gyrus: impaired LTP after lateral entorhinal cortex/perforant pathway tetanization. Furthermore, hippocampal Ach levels were increased while ChA-T expression was reduced following scopolamine administration. PEA-OXA either prevented or restored the scopolamine-induced cognitive deficits (discriminative and spatial memory). However, the same treatment did not affect the altered motor activity or anxiety-like behavior induced by scopolamine. Consistently, electrophysiological analysis showed LTP recovery in the DG of the hippocampus, while the Ach level and ChoA-T were normalized. This study confirms the neuroprotective and pro-cognitive activity of PEA-OXA (probably through an increase in the extracellular levels of biogenic amines) in improving transient memory disorders for which the available pharmacological tools are obsolete or inadequate and not directed on specific pathophysiological targets.
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Affiliation(s)
- Carmela Belardo
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Serena Boccella
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Michela Perrone
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Antimo Fusco
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Andrea Maria Morace
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Federica Ricciardi
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Roozbe Bonsale
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Ines ELBini-Dhouib
- Laboratory of Biomolecules, Venoms and Theranostic Application, Institute Pasteur de Tunis, Université Tunis El Manar, Tunis 1002, Tunisia;
| | - Francesca Guida
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Livio Luongo
- Division of Pharmacology, Department of Experimental Medicine, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (C.B.); (S.B.); (M.P.); (A.F.); (A.M.M.); (F.R.); (R.B.); (F.G.); (L.L.)
| | - Giacinto Bagetta
- Pharmacotechnology Documentation and Transfer Unit, Preclinical and Translational Pharmacology, Department of Pharmacy, Health Science and Nutrition, University of Calabria, 87036 Rende, Italy;
| | - Damiana Scuteri
- Pharmacotechnology Documentation and Transfer Unit, Preclinical and Translational Pharmacology, Department of Pharmacy, Health Science and Nutrition, University of Calabria, 87036 Rende, Italy;
| | - Sabatino Maione
- Laboratory of Biomolecules, Venoms and Theranostic Application, Institute Pasteur de Tunis, Université Tunis El Manar, Tunis 1002, Tunisia;
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25
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Elgazar AA, El-Domany RA, Eldehna WM, Badria FA. Theophylline-based hybrids as acetylcholinesterase inhibitors endowed with anti-inflammatory activity: synthesis, bioevaluation, in silico and preliminary kinetic studies. RSC Adv 2023; 13:25616-25634. [PMID: 37649576 PMCID: PMC10463010 DOI: 10.1039/d3ra04867e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/20/2023] [Indexed: 09/01/2023] Open
Abstract
In this study, we investigated the conjugation of theophylline with different compounds of natural origin hoping to construct new hybrids with dual activity against cholinergic and inflammatory pathways as potential agents for the treatment of Alzheimer's disease (AD). Out of 28 tested hybrids, two hybrids, acefylline-eugenol 6d and acefylline-isatin 19, were able to inhibit acetylcholinesterase (AChE) at low micromolar concentration displaying IC50 values of 1.8 and 3.3 μM, respectively, when compared to the galantamine standard AChE inhibitor. Moreover, the prepared hybrids exhibited a significant anti-inflammatory effect against lipopolysaccharide induced inflammation in RAW 264.7 and reduced nitric oxide (NO), tumor necrosis alpha (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) levels in a dose dependent manner. These hybrids demonstrated significant reductions in nitric oxide (NO), tumor necrosis alpha (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) levels in RAW 264.7 cells induced by lipopolysaccharide (LPS). The findings of this study were further explained in light of network pharmacology analysis which suggested that AChE and nitric oxide synthase were the main targets of the most active compounds. Molecular docking studies revealed their ability to bind to the heme binding site of nitric oxide synthase 3 (NOS-3) and effectively occupy the active site of AChE, interacting with both the peripheral aromatic subsite and catalytic triad. Finally, the compounds demonstrated stability in simulated gastric and intestinal environments, suggesting potential absorption into the bloodstream without significant hydrolysis. These findings highlight the possible therapeutic potential of acefylline-eugenol 6d and acefylline-isatin 19 hybrids in targeting multiple pathological mechanisms involved in AD, offering promising avenues for further development as potential treatments for this devastating disease.
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Affiliation(s)
- Abdullah A Elgazar
- Department of Pharmacognosy, Faculty of Pharmacy, Kafrelsheikh University P.O. Box 33516 Kafrelsheikh Egypt
| | - Ramadan A El-Domany
- Department of Microbiology and Immunology, Faculty of Pharmacy, Kafrelsheikh University P.O. Box 33516 Kafrelsheikh Egypt
| | - Wagdy M Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University P.O. Box 33516 Kafrelsheikh Egypt
| | - Farid A Badria
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University Mansoura Egypt +20-1001762927
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Saraiva SM, Jacinto TA, Gonçalves AC, Gaspar D, Silva LR. Overview of Caffeine Effects on Human Health and Emerging Delivery Strategies. Pharmaceuticals (Basel) 2023; 16:1067. [PMID: 37630983 PMCID: PMC10459237 DOI: 10.3390/ph16081067] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/23/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
Caffeine is a naturally occurring alkaloid found in various plants. It acts as a stimulant, antioxidant, anti-inflammatory, and even an aid in pain management, and is found in several over-the-counter medications. This naturally derived bioactive compound is the best-known ingredient in coffee and other beverages, such as tea, soft drinks, and energy drinks, and is widely consumed worldwide. Therefore, it is extremely important to research the effects of this substance on the human body. With this in mind, caffeine and its derivatives have been extensively studied to evaluate its ability to prevent diseases and exert anti-aging and neuroprotective effects. This review is intended to provide an overview of caffeine's effects on cancer and cardiovascular, immunological, inflammatory, and neurological diseases, among others. The heavily researched area of caffeine in sports will also be discussed. Finally, recent advances in the development of novel nanocarrier-based formulations, to enhance the bioavailability of caffeine and its beneficial effects will be discussed.
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Affiliation(s)
- Sofia M. Saraiva
- CPIRN-UDI/IPG, Center of Potential and Innovation of Natural Resources, Research Unit for Inland Development (UDI), Polytechnic Institute of Guarda, 6300-559 Guarda, Portugal; (S.M.S.); (T.A.J.)
| | - Telma A. Jacinto
- CPIRN-UDI/IPG, Center of Potential and Innovation of Natural Resources, Research Unit for Inland Development (UDI), Polytechnic Institute of Guarda, 6300-559 Guarda, Portugal; (S.M.S.); (T.A.J.)
| | - Ana C. Gonçalves
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-001 Covilhã, Portugal;
| | - Dário Gaspar
- Department of Sport Sciences, University of Beira Interior, 6201-001 Covilhã, Portugal;
| | - Luís R. Silva
- CPIRN-UDI/IPG, Center of Potential and Innovation of Natural Resources, Research Unit for Inland Development (UDI), Polytechnic Institute of Guarda, 6300-559 Guarda, Portugal; (S.M.S.); (T.A.J.)
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, 6201-001 Covilhã, Portugal;
- Department of Chemical Engineering, University of Coimbra, CIEPQPF, Rua Sílvio Lima, Pólo II—Pinhal de Marrocos, 3030-790 Coimbra, Portugal
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27
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Merighi S, Travagli A, Nigro M, Pasquini S, Cappello M, Contri C, Varani K, Vincenzi F, Borea PA, Gessi S. Caffeine for Prevention of Alzheimer's Disease: Is the A 2A Adenosine Receptor Its Target? Biomolecules 2023; 13:967. [PMID: 37371547 DOI: 10.3390/biom13060967] [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: 04/27/2023] [Revised: 05/30/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Alzheimer's disease (AD) is the most prevalent kind of dementia with roughly 135 million cases expected in the world by 2050. Unfortunately, current medications for the treatment of AD can only relieve symptoms but they do not act as disease-modifying agents that can stop the course of AD. Caffeine is one of the most widely used drugs in the world today, and a number of clinical studies suggest that drinking coffee may be good for health, especially in the fight against neurodegenerative conditions such as AD. Experimental works conducted "in vivo" and "in vitro" provide intriguing evidence that caffeine exerts its neuroprotective effects by antagonistically binding to A2A receptors (A2ARs), a subset of GPCRs that are triggered by the endogenous nucleoside adenosine. This review provides a summary of the scientific data supporting the critical role that A2ARs play in memory loss and cognitive decline, as well as the evidence supporting the protective benefits against neurodegeneration that may be attained by caffeine's antagonistic action on these receptors. They are a novel and fascinating target for regulating and enhancing synaptic activity, achieving symptomatic and potentially disease-modifying effects, and protecting against neurodegeneration.
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Affiliation(s)
- Stefania Merighi
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Alessia Travagli
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Manuela Nigro
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Silvia Pasquini
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Martina Cappello
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Chiara Contri
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Katia Varani
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | - Fabrizio Vincenzi
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
| | | | - Stefania Gessi
- Department of Translational Medicine and for Romagna, University of Ferrara, 44121 Ferrara, Italy
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28
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Mota-Rojas D, Villanueva-García D, Hernández-Ávalos I, Casas-Alvarado A, Domínguez-Oliva A, Lezama-García K, Miranda-Cortés A, Martínez-Burnes J. Cardiorespiratory and Neuroprotective Effects of Caffeine in Neonate Animal Models. Animals (Basel) 2023; 13:1769. [PMID: 37889643 PMCID: PMC10252037 DOI: 10.3390/ani13111769] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/20/2023] [Accepted: 05/22/2023] [Indexed: 07/15/2023] Open
Abstract
Caffeine is widely used to improve neonatal health in animals with low vitality. Due to its pharmacokinetics and pharmacodynamics, caffeine stimulates the cardiorespiratory system by antagonism of adenosine receptors and alteration in Ca+2 ion channel activity. Moreover, the availability of intracellular Ca+2 also has positive inotropic effects by increasing heart contractibility and by having a possible positive effect on neonate vitality. Nonetheless, since neonatal enzymatic and tissular systems are immature at birth, there is a controversy about whether caffeine is an effective therapy for newborns. This review aims to analyze the basic concepts of caffeine in neonatal animal models (rat and mouse pups, goat kids, lambs, and piglets), and it will discuss the neuroprotective effect and its physiological actions in reducing apnea in newborns.
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Affiliation(s)
- Daniel Mota-Rojas
- Neurophysiology, Behavior and Animal Welfare Assessment, Universidad Autónoma Metropolitana (UAM), Mexico City 04960, Mexico
| | - Dina Villanueva-García
- Division of Neonatology, National Institute of Health, Hospital Infantil de México Federico Gómez, Mexico City 06720, Mexico;
| | - Ismael Hernández-Ávalos
- Clinical Pharmacology and Veterinary Anesthesia, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Cuautitlán 54714, Mexico; (I.H.-Á.)
| | - Alejandro Casas-Alvarado
- Neurophysiology, Behavior and Animal Welfare Assessment, Universidad Autónoma Metropolitana (UAM), Mexico City 04960, Mexico
| | - Adriana Domínguez-Oliva
- Neurophysiology, Behavior and Animal Welfare Assessment, Universidad Autónoma Metropolitana (UAM), Mexico City 04960, Mexico
| | - Karina Lezama-García
- Neurophysiology, Behavior and Animal Welfare Assessment, Universidad Autónoma Metropolitana (UAM), Mexico City 04960, Mexico
| | - Agatha Miranda-Cortés
- Clinical Pharmacology and Veterinary Anesthesia, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Cuautitlán 54714, Mexico; (I.H.-Á.)
| | - Julio Martínez-Burnes
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Victoria City 87000, Mexico
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29
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Abbel D, Åsvold BO, Kolberg M, Selbæk G, Noordam R, Skjellegrind HK. The Association between Coffee and Tea Consumption at Midlife and Risk of Dementia Later in Life: The HUNT Study. Nutrients 2023; 15:nu15112469. [PMID: 37299431 DOI: 10.3390/nu15112469] [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: 03/28/2023] [Revised: 05/12/2023] [Accepted: 05/12/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND Studies exploring the possible protective effect of coffee and tea consumption on dementia have shown inconsistent results so far. We aimed to investigate whether consumption of tea and different types of coffee at midlife are associated with dementia later in life and whether sex or ApoE4 influence such association. METHODS We included 7381 participants from the Norwegian HUNT Study. Self-reported questionnaires assessed daily consumption of coffee and tea at baseline. After 22 years, individuals 70 years or older were screened for cognitive impairment. RESULTS General coffee consumption and tea consumption was not associated with dementia risk. Compared to daily consumption of 0-1 cups of coffee, daily consumption of ≥8 cups of boiled coffee was associated with increased dementia risk in women (OR: 1.83, 95% CI: 1.10-3.04, p-value for trend = 0.03) and daily consumption of 4-5 cups of other types of coffee was associated with a decrease in dementia risk in men (OR: 0.48, 95% CI: 0.32-0.72, p-value for trend = 0.05). Furthermore, the association between boiled coffee and increased dementia risk was only found in ApoE4 non-carriers. Differences by sex or ApoE4 carrier status were not supported by strong statistical evidence for interaction. Tea consumption was not associated with dementia risk. CONCLUSION type of coffee may play a role in the direction of the association between coffee-drinking habits and dementia later in life.
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Affiliation(s)
- Denise Abbel
- HUNT Research Centre, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, 7600 Levanger, Norway
- Leiden University Medical Center, Department of Internal Medicine, Section of Gerontology and Geriatrics, 2333 ZA Leiden, The Netherlands
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Bjørn Olav Åsvold
- HUNT Research Centre, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, 7600 Levanger, Norway
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, 7491 Trondheim, Norway
- Department of Endocrinology, Clinic of Medicine, St. Olavs Hospital, Trondheim University Hospital, 7030 Trondheim, Norway
| | - Marit Kolberg
- Center for Oral Health Services and Research Mid-Norway (TkMidt), 7030 Trondheim, Norway
| | - Geir Selbæk
- Norwegian National Centre for Aging and Health, Vestfold Hospital Trust, 3103 Tønsberg, Norway
- Department of Geriatric Medicine, Oslo University Hospital, 0424 Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, 0318 Oslo, Norway
| | - Raymond Noordam
- Leiden University Medical Center, Department of Internal Medicine, Section of Gerontology and Geriatrics, 2333 ZA Leiden, The Netherlands
| | - Håvard Kjesbu Skjellegrind
- HUNT Research Centre, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, 7600 Levanger, Norway
- General Practice Research Unit, Department of Public Health and Nursing, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
- Levanger Hospital, Nord-Trøndelag Hospital Trust, 7600 Levanger, Norway
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30
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Atheena Amar K, Ramachandran B. ENVIRONMENTAL STRESSORS DIFFERENTIALLY MODULATE ANXIETY-LIKE BEHAVIOUR IN MALE AND FEMALE ZEBRAFISH. Behav Brain Res 2023; 450:114470. [PMID: 37148914 DOI: 10.1016/j.bbr.2023.114470] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/05/2023] [Accepted: 03/16/2023] [Indexed: 05/08/2023]
Abstract
How differently male and female responds in a stressful situation is a matter of curiosity. Apart from curiosity, this opens a new arena to the synthesis of personalized/individualized medications. Here, we used zebrafish, a suitable experimental animal model to study stress and anxiety. We evaluated the differential responses in adult male and female zebrafish on the acute exposure of three different stressors: Caffeine (100mg/L), Conspecific alarm substance (3.5ml/L), and sight of sympatric predators (Leaf fish and Snakehead) with the help of two different behavioural paradigms (Novel tank test & Predator exposure). Behavioural responses were captured over 6minutes and quantified using Smart 3.0. Male zebrafish were found to be more responsive to caffeine treatment. Conspecific alarm substance-challenged males and females showed robust alarm reactions whereas females were found to be more prone to it. Female zebrafish showed statistically significant aversion to the visual representation of sympatric predators. Taken together, each stressor induced differential responses in male and female zebrafish.
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Affiliation(s)
- K Atheena Amar
- Neuronal Plasticity Group, Department of Zoology, University of Calicut, Thenhipalam, Malappuram, Kerala-673635, India
| | - Binu Ramachandran
- Neuronal Plasticity Group, Department of Zoology, University of Calicut, Thenhipalam, Malappuram, Kerala-673635, India.
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31
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Khiali S, Agabalazadeh A, Sahrai H, Bannazadeh Baghi H, Rahbari Banaeian G, Entezari-Maleki T. Effect of Caffeine Consumption on Cardiovascular Disease: An Updated Review. Pharmaceut Med 2023; 37:139-151. [PMID: 36995515 DOI: 10.1007/s40290-023-00466-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2023] [Indexed: 03/31/2023]
Abstract
The incidence of cardiovascular diseases has significantly increased with the expansion of the industrialization of societies, which is notably linked to lifestyle changes and an unhealthy diet. Hence, determining the healthiest diet habits and supplements seems to be an appropriate way to decrease the global burden of cardiovascular diseases. Currently, caffeine, one of the most widely consumed compounds in the world, has emerged with some promising results in the treatment of numerous pathophysiological conditions of cardiovascular diseases. A literature search was conducted in PubMed, Scopus, Science Direct, Google Scholar, and Web of Science databases for the relevant articles regarding the pharmacology, preclinical, and clinical studies on the potential effects of caffeine on cardiovascular diseases. While caffeine could improve cardiovascular outcomes through several mechanisms of action, the literature review revealed controversial clinical effects of caffeine on blood pressure, cardiac arrhythmias, acute coronary syndrome, stable angina, and heart failure. In the case of dyslipidemia, coffee consumption increased total cholesterol, triglyceride, and low-density lipoprotein. Taken together, the existence of multiple confounding factors in the caffeine studies has resulted in inconclusive data interpretation. Further well-designed studies with adequate control of the confounding factors are warranted to draw a clear conclusion on the cardiovascular efficacy and safety of caffeine.
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Affiliation(s)
- Sajad Khiali
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Daneshgah St, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Agabalazadeh
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Daneshgah St, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Sahrai
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Bannazadeh Baghi
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Gholamreza Rahbari Banaeian
- Department of Pediatrics, Faculty of Medicine, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
| | - Taher Entezari-Maleki
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Daneshgah St, Tabriz, Iran.
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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32
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Park J, Gong JH, Chen Y, Nghiem THT, Chandrawanshi S, Hwang E, Yang CH, Kim BS, Park JW, Ryter SW, Ahn B, Joe Y, Chung HT, Yu R. Activation of ROS-PERK-TFEB by Filbertone Ameliorates Neurodegenerative Diseases via Enhancing the Autophagy-Lysosomal Pathway. J Nutr Biochem 2023; 118:109325. [PMID: 36958418 DOI: 10.1016/j.jnutbio.2023.109325] [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: 07/12/2022] [Revised: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 03/25/2023]
Abstract
The molecular mechanisms underlying the pathogenesis of neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease (PD), and Huntington's disease remain enigmatic, resulting in an unmet need for therapeutics development. Here, we suggest that filbertone, a key flavor compound found in the fruits of hazel trees of the genus Corylus, can ameliorate PD via lowering the abundance of aggregated α-synuclein. We previously reported that inhibition of hypothalamic inflammation by filbertone is mediated by suppression of nuclear factor kappa-B (NF-κB). Here, we report that filbertone activates PERK through mitochondrial ROS (mtROS) production, resulting in the increased nuclear translocation of transcription factor-EB (TFEB) in SH-SY5Y human neuroblastoma cells. TFEB activation by filbertone promotes the autophagy-lysosomal pathway (ALP), which in turn alleviates the accumulation of α-synuclein. We also demonstrate that filbertone prevented the loss of dopaminergic neurons in the substantia nigra and striatum of mice on high-fat diet (HFD). Filbertone treatment also reduced HFD-induced α-synuclein accumulation through upregulation of the ALP pathway. In addition, filbertone improved behavioral abnormalities (i.e., latency time to fall and decrease of running distance) in the MPTP-induced PD murine model. In conclusion, filbertone may show promise as a potential therapeutic for neurodegenerative disease.
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Affiliation(s)
- Jeongmin Park
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Jeong Heon Gong
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Yubing Chen
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Thu-Hang Thi Nghiem
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Sonam Chandrawanshi
- Department of Food Science and Nutrition, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Eunyeong Hwang
- College of Korean Medicine, Daegu Haany University, Daegu 42158, Korea
| | - Chae Ha Yang
- College of Korean Medicine, Daegu Haany University, Daegu 42158, Korea
| | - Byung-Sam Kim
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Jeong Woo Park
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | | | - Byungyong Ahn
- Department of Food Science and Nutrition, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Yeonsoo Joe
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Hun Taeg Chung
- Department of Biological Sciences, University of Ulsan, Ulsan, 44610, Republic of Korea.
| | - Rina Yu
- Department of Food Science and Nutrition, University of Ulsan, Ulsan, 44610, Republic of Korea.
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Xu X, Yang Q, Liu Z, Zhang R, Yu H, Wang M, Chen S, Xu G, Shao Y, Le W. Integrative analysis of metabolomics and proteomics unravels purine metabolism disorder in the SOD1G93A mouse model of amyotrophic lateral sclerosis. Neurobiol Dis 2023; 181:106110. [PMID: 37001614 DOI: 10.1016/j.nbd.2023.106110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/25/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with progressive paralysis of limbs and bulb in patients, the cause of which remains unclear. Accumulating studies suggest that motor neuron degeneration is associated with systemic metabolic impairment in ALS. However, the metabolic reprogramming and underlying mechanism in the longitudinal progression of the disease remain poorly understood. In this study, we aimed to investigate the molecular changes at both metabolic and proteomic levels during disease progression to identify the most critical metabolic pathways and underlying mechanisms involved in ALS pathophysiological changes. Utilizing liquid chromatography-mass spectrometry-based metabolomics, we analyzed the metabolites' levels of plasma, lumbar spinal cord, and motor cortex from SOD1G93A mice and wildtype (WT) littermates at different stages. To elucidate the regulatory network underlying metabolic changes, we further analyzed the proteomics profile in the spinal cords of SOD1G93A and WT mice. A group of metabolites implicated in purine metabolism, methionine cycle, and glycolysis were found differentially expressed in ALS mice, and abnormal expressions of enzymes involved in these metabolic pathways were also confirmed. Notably, we first demonstrated that dysregulation of purine metabolism might contribute to the pathogenesis and disease progression of ALS. Furthermore, we discovered that fatty acid metabolism, TCA cycle, arginine and proline metabolism, and folate-mediated one‑carbon metabolism were also significantly altered in this disease. The identified differential metabolites and proteins in our study could complement existing data on metabolic reprogramming in ALS, which might provide new insight into the pathological mechanisms and novel therapeutic targets of ALS.
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34
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Yang G, Meng Q, Shi J, Zhou M, Zhu Y, You Q, Xu P, Wu W, Lin Z, Lv H. Special tea products featuring functional components: Health benefits and processing strategies. Compr Rev Food Sci Food Saf 2023; 22:1686-1721. [PMID: 36856036 DOI: 10.1111/1541-4337.13127] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 12/08/2022] [Accepted: 01/31/2023] [Indexed: 03/02/2023]
Abstract
The functional components in tea confer various potential health benefits to humans. To date, several special tea products featuring functional components (STPFCs) have been successfully developed, such as O-methylated catechin-rich tea, γ-aminobutyric acid-rich tea, low-caffeine tea, and selenium-rich tea products. STPFCs have some unique and enhanced health benefits when compared with conventional tea products, which can meet the specific needs and preferences of different groups and have huge market potential. The processing strategies to improve the health benefits of tea products by regulating the functional component content have been an active area of research in food science. The fresh leaves of some specific tea varieties rich in functional components are used as raw materials, and special processing technologies are employed to prepare STPFCs. Huge progress has been achieved in the research and development of these STPFCs. However, the current status of these STPFCs has not yet been systematically reviewed. Here, studies on STPFCs have been comprehensively reviewed with a focus on their potential health benefits and processing strategies. Additionally, other chemical components with the potential to be developed into special teas and the application of tea functional components in the food industry have been discussed. Finally, suggestions on the promises and challenges for the future study of these STPFCs have been provided. This paper might shed light on the current status of the research and development of these STPFCs. Future studies on STPFCs should focus on screening specific tea varieties, identifying new functional components, evaluating health-promoting effects, improving flavor quality, and elucidating the interactions between functional components.
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Affiliation(s)
- Gaozhong Yang
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.,Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qing Meng
- College of Food Science, Southwest University, Chongqing, China
| | - Jiang Shi
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Mengxue Zhou
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Yin Zhu
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Qiushuang You
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.,Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ping Xu
- Institute of Tea Science, Zhejiang University, Hangzhou, China
| | - Wenliang Wu
- Tea Research Institute, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Zhi Lin
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Haipeng Lv
- Key Laboratory of Tea Biology and Resource Utilization of Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
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35
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Anti-Neuroinflammatory Potential of Natural Products in the Treatment of Alzheimer's Disease. Molecules 2023; 28:molecules28031486. [PMID: 36771152 PMCID: PMC9920976 DOI: 10.3390/molecules28031486] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/24/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
Alzheimer's disease (AD) is an age-related chronic progressive neurodegenerative disease, which is the main cause of dementia in the elderly. Much evidence shows that the onset and late symptoms of AD are caused by multiple factors. Among them, aging is the main factor in the pathogenesis of AD, and the most important risk factor for AD is neuroinflammation. So far, there is no cure for AD, but the relationship between neuroinflammation and AD may provide a new strategy for the treatment of AD. We herein discussed the main etiology hypothesis of AD and the role of neuroinflammation in AD, as well as anti-inflammatory natural products with the potential to prevent and alleviate AD symptoms, including alkaloids, steroids, terpenoids, flavonoids and polyphenols, which are available with great potential for the development of anti-AD drugs.
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36
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Gonçalves DF, Senger LR, Foletto JVP, Michelotti P, Soares FAA, Dalla Corte CL. Caffeine improves mitochondrial function in PINK1 B9-null mutant Drosophila melanogaster. J Bioenerg Biomembr 2023; 55:1-13. [PMID: 36494592 DOI: 10.1007/s10863-022-09952-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
Mitochondrial dysfunction plays a central role in Parkinson's disease (PD) and can be triggered by xenobiotics and mutations in mitochondrial quality control genes, such as the PINK1 gene. Caffeine has been proposed as a secondary treatment to relieve PD symptoms mainly by its antagonistic effects on adenosine receptors (ARs). Nonetheless, the potential protective effects of caffeine on mitochondrial dysfunction could be a strategy in PD treatment but need further investigation. In this study, we used high-resolution respirometry (HRR) to test caffeine's effects on mitochondrial dysfunction in PINK1B9-null mutants of Drosophila melanogaster. PINK1 loss-of-function induced mitochondrial dysfunction in PINK1B9-null flies observed by a decrease in O2 flux related to oxidative phosphorylation (OXPHOS) and electron transfer system (ETS), respiratory control ratio (RCR) and ATP synthesis compared to control flies. Caffeine treatment improved OXPHOS and ETS in PINKB9-null mutant flies, increasing the mitochondrial O2 flux compared to untreated PINKB9-null mutant flies. Moreover, caffeine treatment increased O2 flux coupled to ATP synthesis and mitochondrial respiratory control ratio (RCR) in PINK 1B9-null mutant flies. The effects of caffeine on respiratory parameters were abolished by rotenone co-treatment, suggesting that caffeine exerts its beneficial effects mainly by stimulating the mitochondrial complex I (CI). In conclusion, we demonstrate that caffeine may improve mitochondrial function by increasing mitochondrial OXPHOS and ETS respiration in the PD model using PINK1 loss-of-function mutant flies.
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Affiliation(s)
- Débora F Gonçalves
- Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105- 900, Santa Maria, RS, Brazil
| | - Leahn R Senger
- Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105- 900, Santa Maria, RS, Brazil
| | - João V P Foletto
- Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105- 900, Santa Maria, RS, Brazil
| | - Paula Michelotti
- Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105- 900, Santa Maria, RS, Brazil
| | - Félix A A Soares
- Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105- 900, Santa Maria, RS, Brazil
| | - Cristiane L Dalla Corte
- Centro de Ciências Naturais e Exatas, Departamento de Bioquímica e Biologia Molecular, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Camobi, 97105- 900, Santa Maria, RS, Brazil.
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37
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Makinde E, Ma L, Mellick GD, Feng Y. Mitochondrial Modulators: The Defender. Biomolecules 2023; 13:biom13020226. [PMID: 36830595 PMCID: PMC9953029 DOI: 10.3390/biom13020226] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/19/2023] [Accepted: 01/22/2023] [Indexed: 01/27/2023] Open
Abstract
Mitochondria are widely considered the "power hub" of the cell because of their pivotal roles in energy metabolism and oxidative phosphorylation. However, beyond the production of ATP, which is the major source of chemical energy supply in eukaryotes, mitochondria are also central to calcium homeostasis, reactive oxygen species (ROS) balance, and cell apoptosis. The mitochondria also perform crucial multifaceted roles in biosynthetic pathways, serving as an important source of building blocks for the biosynthesis of fatty acid, cholesterol, amino acid, glucose, and heme. Since mitochondria play multiple vital roles in the cell, it is not surprising that disruption of mitochondrial function has been linked to a myriad of diseases, including neurodegenerative diseases, cancer, and metabolic disorders. In this review, we discuss the key physiological and pathological functions of mitochondria and present bioactive compounds with protective effects on the mitochondria and their mechanisms of action. We highlight promising compounds and existing difficulties limiting the therapeutic use of these compounds and potential solutions. We also provide insights and perspectives into future research windows on mitochondrial modulators.
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38
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Stazi M, Zampar S, Klafki HW, Meyer T, Wirths O. A Combination of Caffeine Supplementation and Enriched Environment in an Alzheimer's Disease Mouse Model. Int J Mol Sci 2023; 24:ijms24032155. [PMID: 36768476 PMCID: PMC9916825 DOI: 10.3390/ijms24032155] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/12/2023] [Accepted: 01/20/2023] [Indexed: 01/25/2023] Open
Abstract
A variety of factors has been associated with healthy brain aging, and epidemiological studies suggest that physical activity and nutritional supplements such as caffeine may reduce the risk of developing dementia and, in particular, Alzheimer's disease (AD) in later life. Caffeine is known to act as a cognitive enhancer but has been also shown to positively affect exercise performance in endurance activities. We have previously observed that chronic oral caffeine supplementation and a treatment paradigm encompassing physical and cognitive stimulation by enriched environment (EE) housing can improve learning and memory performance and ameliorate hippocampal neuron loss in the Tg4-42 mouse model of AD. Here, we investigated whether these effects were synergistic. To that end, previous findings on individual treatments were complemented with unpublished, additional data and analyzed in depth by ANOVA followed by Bonferroni multiple comparison post tests. We further evaluated whether plasma neurofilament light chain levels reflect neuropathological and behavioral changes observed in the experimental groups. While a treatment combining physical activity and caffeine supplementation significantly improved learning and memory function compared to standard-housed vehicle-treated Tg4-42 in tasks such as the Morris water maze, no major additive effect outperforming the effects of the single interventions was observed.
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Affiliation(s)
- Martina Stazi
- Department of Psychiatry and Psychotherapy, University Medical Center (UMG), Georg-August-University, 37075 Göttingen, Germany
| | - Silvia Zampar
- Department of Psychiatry and Psychotherapy, University Medical Center (UMG), Georg-August-University, 37075 Göttingen, Germany
| | - Hans-Wolfgang Klafki
- Department of Psychiatry and Psychotherapy, University Medical Center (UMG), Georg-August-University, 37075 Göttingen, Germany
| | - Thomas Meyer
- Department of Psychosomatic Medicine, University Medical Center (UMG), Georg-August-University, 37075 Göttingen, Germany
| | - Oliver Wirths
- Department of Psychiatry and Psychotherapy, University Medical Center (UMG), Georg-August-University, 37075 Göttingen, Germany
- Correspondence:
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39
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Costa HN, Esteves AR, Empadinhas N, Cardoso SM. Parkinson's Disease: A Multisystem Disorder. Neurosci Bull 2023; 39:113-124. [PMID: 35994167 PMCID: PMC9849652 DOI: 10.1007/s12264-022-00934-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 06/11/2022] [Indexed: 01/22/2023] Open
Abstract
The way sporadic Parkinson's disease (PD) is perceived has undergone drastic changes in recent decades. For a long time, PD was considered a brain disease characterized by motor disturbances; however, the identification of several risk factors and the hypothesis that PD has a gastrointestinal onset have shed additional light. Today, after recognition of prodromal non-motor symptoms and the pathological processes driving their evolution, there is a greater understanding of the involvement of other organ systems. For this reason, PD is increasingly seen as a multiorgan and multisystemic pathology that arises from the interaction of susceptible genetic factors with a challenging environment during aging-related decline.
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Affiliation(s)
- Helena Nunes Costa
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Ana Raquel Esteves
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Nuno Empadinhas
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Sandra Morais Cardoso
- CNC-Center for Neuroscience and Cell Biology and CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal.
- Faculty of Medicine, University of Coimbra, 3004-504, Coimbra, Portugal.
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40
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Fatima MT, Bhat AA, Nisar S, Fakhro KA, Al-Shabeeb Akil AS. The role of dietary antioxidants in type 2 diabetes and neurodegenerative disorders: An assessment of the benefit profile. Heliyon 2022; 9:e12698. [PMID: 36632095 PMCID: PMC9826852 DOI: 10.1016/j.heliyon.2022.e12698] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/29/2022] [Accepted: 12/26/2022] [Indexed: 01/01/2023] Open
Abstract
Healthy diet is vital to cellular health. The human body succumbs to numerous diseases which afflict severe economic and psychological burdens on the patient and family. Oxidative stress is a possible crucial regulator of various pathologies, including type 2 diabetes and neurodegenerative diseases. It generates reactive oxygen species (ROS) that trigger the dysregulation of essential cellular functions, ultimately affecting cellular health and homeostasis. However, lower levels of ROS can be advantageous and are implicated in a variety of signaling pathways. Due to this dichotomy, the terms oxidative "eustress," which refers to a good oxidative event, and "distress," which can be hazardous, have developed. ROS affects multiple signaling pathways, leading to compromised insulin secretion, insulin resistance, and β-cell dysfunction in diabetes. ROS is also associated with increased mitochondrial dysfunction and neuroinflammation, aggravating neurodegenerative conditions in the body, particularly with age. Treatment includes drugs/therapies often associated with dependence, side effects including non-selectivity, and possible toxicity, particularly in the long run. It is imperative to explore alternative medicines as an adjunct therapy, utilizing natural remedies/resources to avoid all the possible harms. Antioxidants are vital components of our body that fight disease by reducing oxidative stress or nullifying the excess toxic free radicals produced under various pathological conditions. In this review, we focus on the antioxidant effects of components of dietary foods such as tea, coffee, wine, oils, and honey and the role and mechanism of action of these antioxidants in alleviating type 2 diabetes and neurodegenerative disorders. We aim to provide information about possible alternatives to drug treatments used alone or combined to reduce drug intake and encourage the consumption of natural ingredients at doses adequate to promote health and combat pathologies while reducing unwanted risks and side effects.
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Affiliation(s)
- Munazza Tamkeen Fatima
- Department of Human Genetics-Precision Medicine in Diabetes Prevention Program, Sidra Medicine, P.O. Box 26999, Doha, Qatar
| | - Ajaz Ahmed Bhat
- Department of Human Genetics-Precision Medicine in Diabetes Prevention Program, Sidra Medicine, P.O. Box 26999, Doha, Qatar
| | - Sabah Nisar
- Department of Human Genetics-Precision Medicine in Diabetes Prevention Program, Sidra Medicine, P.O. Box 26999, Doha, Qatar
| | - Khalid Adnan Fakhro
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, P.O. Box 34110, Doha, Qatar,Department of Genetic Medicine, Weill Cornell Medical College, Doha, P.O. Box 24144, Doha, Qatar,Department of Human Genetics, Laboratory of Genomic Medicine-Precision Medicine Program, Sidra Medicine, P.O. Box 26999, Doha, Qatar
| | - Ammira Sarah Al-Shabeeb Akil
- Department of Human Genetics-Precision Medicine in Diabetes Prevention Program, Sidra Medicine, P.O. Box 26999, Doha, Qatar,Corresponding author.
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41
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Othman MA, Fadel R, Tayem Y, Jaradat A, Rashid A, Fatima A, Al-Mahameed AE, Nasr El-Din WA. Caffeine protects against hippocampal alterations in type 2 diabetic rats via modulation of gliosis, inflammation and apoptosis. Cell Tissue Res 2022; 392:443-466. [PMID: 36577880 DOI: 10.1007/s00441-022-03735-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 12/21/2022] [Indexed: 12/30/2022]
Abstract
Type 2 diabetes (T2D) is implicated in the injury of several organs, including the brain resulting in neuronal damage, which may lead to cognitive impairment and dementia. Additionally, it is linked to inflammation, cytokine release, apoptosis and various degenerative conditions. Astrocytes and microglia might have a role in mediating these processes. Caffeine, a psychoactive beverage, has been shown to reduce the risk of cognitive and memory impairment. This study proposes anti-inflammatory and anti-apoptotic role of caffeine, which can be mediated via microglia/astrocyte activation and overexpression of pro-inflammatory molecules. T2D was induced in rats by feeding with high fat high sugar diet and injecting a single low dose streptozotocin (STZ) intraperitoneally. Other diabetic rats were given caffeine orally (in two doses) for 5 weeks, starting 1 week before STZ injection. Measurement of plasma cytokines, TNFα and IL6, was performed using enzyme-linked immunosorbent assay (ELISA) technique. After sacrificing animals, brains were obtained and processed for histological evaluation. Immunohistochemistry was also performed using the following primary antibodies, anti-astrocyte marker GFAP, anti-microglia marker CD11b and apoptotic marker (anti-cleaved caspase-3). There was upregulation of IL6 and TNF-α in diabetic rats. Additionally, histological evaluation of the hippocampus of diabetic rats revealed cellular degeneration. There was increased immunostaining of GFAP, CD11b and cleaved caspase-3 in diabetic rats. Pretreatment with caffeine to diabetic rats, resulted in improvement of structural changes and decrease in cytokine levels and immuno-markers, expression, and this was in a dose-dependent manner. In conclusion, caffeine had an ameliorative role in enhancing hippocampal degenerative changes in T2D.
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Affiliation(s)
- Manal A Othman
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, P.O. Box 26671, Manama, Bahrain
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Raouf Fadel
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, P.O. Box 26671, Manama, Bahrain
- Department of Human Anatomy and Embryology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Yasin Tayem
- Department of Pharmacology, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
| | - Ahmed Jaradat
- Department of Family and Community Medicine, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
| | - Aisha Rashid
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, P.O. Box 26671, Manama, Bahrain
| | - Ayesha Fatima
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, P.O. Box 26671, Manama, Bahrain
| | - Ali E Al-Mahameed
- Department of Microbiology, Immunology & Infectious Diseases, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain
| | - Wael Amin Nasr El-Din
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, P.O. Box 26671, Manama, Bahrain.
- Department of Human Anatomy and Embryology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
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Caffeine-Induced Sleep Restriction Alters the Gut Microbiome and Fecal Metabolic Profiles in Mice. Int J Mol Sci 2022; 23:ijms232314837. [PMID: 36499163 PMCID: PMC9737546 DOI: 10.3390/ijms232314837] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022] Open
Abstract
Insufficient sleep is becoming increasingly common and contributes to many health issues. To combat sleepiness, caffeine is consumed daily worldwide. Thus, caffeine consumption and sleep restriction often occur in succession. The gut microbiome can be rapidly affected by either one's sleep status or caffeine intake, whereas the synergistic effects of a persistent caffeine-induced sleep restriction remain unclear. In this study, we investigated the impact of a chronic caffeine-induced sleep restriction on the gut microbiome and its metabolic profiles in mice. Our results revealed that the proportion of Firmicutes and Bacteroidetes was not altered, while the abundance of Proteobacteria and Actinobacteria was significantly decreased. In addition, the content of the lipids was abundant and significantly increased. A pathway analysis of the differential metabolites suggested that numerous metabolic pathways were affected, and the glycerophospholipid metabolism was most significantly altered. Combined analysis revealed that the metabolism was significantly affected by variations in the abundance and function of the intestinal microorganisms and was closely relevant to Proteobacteria and Actinobacteria. In conclusion, a long-term caffeine-induced sleep restriction affected the diversity and composition of the intestinal microbiota in mice, and substantially altered the metabolic profiles of the gut microbiome. This may represent a novel mechanism by which an unhealthy lifestyle such as mistimed coffee breaks lead to or exacerbates disease.
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Cheng L, Wang H, Han Y. Effects of caffeinated beverage ingestion on salivary antimicrobial proteins responses to acute exercise in the heat. Front Nutr 2022; 9:973003. [DOI: 10.3389/fnut.2022.973003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022] Open
Abstract
Caffeine is commonly used by athletes as an energy supplement, but studies on its effects on salivary antimicrobial proteins (sAMPs) in humans during exercise are rare with ambiguous findings. It is also still controversial whether hot environments affect sAMPs. Using a double-blind, randomized crossover design, we examined 12 endurance-trained male collegiate athletes who completed the following two experiments: a caffeine experiment (CAF) and a placebo experiment (PLA). The participants acutely consumed caffeine-containing (6 mg/kg body weight) sports drink (3 ml/kg body weight) or an equivalent amount of placebo sports drink and subsequently performed cycling exercise for 40 min in the heat (33 ± 0.24°C, 64 ± 2.50% relative humidity) at 50% of maximum output power, maintaining a pedal frequency of 60 rpm. Saliva was collected at 60 min pre-exercise (T–60), the start of exercise (T0), 20 min of exercise (T20), and the end of the exercise (T40), and salivary α-amylase (sAA) and lactoferrin (sLac) were tested. The rating of perceived exertion (RPE) was measured at T0–T40, while core body temperature (Tre) and heart rate (HR) were monitored continuously. Tre, HR, and RPE increased with time during the exercise (p < 0.01), with no difference in Tre and HR between the CAF and PLA (p > 0.05), but RPE was higher in the PLA than in the CAF (p < 0.05). sLac concentrations were significantly higher at T20 and T40 than at T–60 (p < 0.01) and higher at T40 than at T0 and T20 (p < 0.01), with no difference between the CAF and PLA (p > 0.05). Compared with T–60, sAA activity was significantly increased at T0, T20, and T40 (p < 0.01). sAA activity was significantly higher at T40 than at T0 and T20 (p < 0.01), at T20 than at T0 (p < 0.05), and in the CAF than in the PLA (p < 0.01). Heat stress caused by acute exercise in hot environments did not impair the sAMPs parameters of the participants. Instead, the participants showed transient increase in sAA activity and unchanged sLac concentrations. Caffeine may increase salivary markers related to immune response during exercise.
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Andrade C, Perestrelo R, Câmara JS. Bioactive Compounds and Antioxidant Activity from Spent Coffee Grounds as a Powerful Approach for Its Valorization. Molecules 2022; 27:molecules27217504. [PMID: 36364330 PMCID: PMC9654447 DOI: 10.3390/molecules27217504] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022] Open
Abstract
Coffee is one of the world’s most popular beverages, and its consumption generates copious amounts of waste. The most relevant by-product of the coffee industry is the spent coffee grounds, with 6 million tons being produced worldwide per year. Although generally treated as waste, spent coffee grounds are a rich source of several bioactive compounds with applications in diverse industrial fields. The present work aimed at the analysis of spent coffee grounds from different geographical origins (Guatemala, Colombia, Brazil, Timor, and Ethiopia) for the identification of bioactive compounds with industrial interest. For this purpose, the identification and quantification of the bioactive compounds responsible for the antioxidant activity attributed to the spent coffee grounds were attempted using miniaturized solid-phase extraction (µ-SPEed), combined with ultrahigh-performance liquid chromatography with photodiode array detection (UHPLC-PDA). After validation of the µ-SPEed/UHPLC-PDA method, this allowed us to conclude that caffeine and 5-caffeoylquinic acid (5-CQA) are the most abundant bioactive compounds in all samples studied. The total phenolic content (TPC) and antioxidant activity are highest in Brazilian samples. The results obtained show that spent coffee grounds are a rich source of bioactive compounds, supporting its bioprospection based on the circular economy concept closing the loop of the coffee value chain, toward the valorization of coffee by-products.
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Affiliation(s)
- Carolina Andrade
- CQM—Centro de Química da Madeira, Campus da Penteada, Universidade da Madeira, 9020-105 Funchal, Portugal
| | - Rosa Perestrelo
- CQM—Centro de Química da Madeira, Campus da Penteada, Universidade da Madeira, 9020-105 Funchal, Portugal
| | - José S. Câmara
- CQM—Centro de Química da Madeira, Campus da Penteada, Universidade da Madeira, 9020-105 Funchal, Portugal
- Departamento de Química, Faculdade de Ciências Exatas e Engenharia, Campus da Penteada, Universidade da Madeira, 9020-105 Funchal, Portugal
- Correspondence: ; Tel.: +351-291-705-112
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Ruggiero M, Calvello R, Porro C, Messina G, Cianciulli A, Panaro MA. Neurodegenerative Diseases: Can Caffeine Be a Powerful Ally to Weaken Neuroinflammation? Int J Mol Sci 2022; 23:ijms232112958. [PMID: 36361750 PMCID: PMC9658704 DOI: 10.3390/ijms232112958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/18/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
In recent years, there has been considerable research showing that coffee consumption seems to be beneficial to human health, as it contains a mixture of different bioactive compounds such as chlorogenic acids, caffeic acid, alkaloids, diterpenes and polyphenols. Neurodegenerative diseases (NDs) are debilitating, and non-curable diseases associated with impaired central, peripheral and muscle nervous systems. Several studies demonstrate that neuroinflammation mediated by glial cells—such as microglia and astrocytes—is a critical factor contributing to neurodegeneration that causes the dysfunction of brain homeostasis, resulting in a progressive loss of structure, function, and number of neuronal cells. This happens over time and leads to brain damage and physical impairment. The most known chronic NDs are represented by Alzheimer’s disease (AD), Parkinson’s disease (PD), multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS) and Huntington’s disease (HD). According to epidemiological studies, regular coffee consumption is associated with a lower risk of neurodegenerative diseases. In this review, we summarize the latest research about the potential effects of caffeine in neurodegenerative disorders prevention and discuss the role of controlled caffeine delivery systems in maintaining high plasma caffeine concentrations for an extended time.
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Affiliation(s)
- Melania Ruggiero
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy
| | - Rosa Calvello
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy
| | - Antonia Cianciulli
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy
- Correspondence:
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Jia L, Zhao H, Hao L, Jia LH, Jia R, Zhang HL. Caffeine intake improves the cognitive performance of patients with chronic kidney disease. Front Med (Lausanne) 2022; 9:976244. [PMID: 36314017 PMCID: PMC9613935 DOI: 10.3389/fmed.2022.976244] [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: 06/23/2022] [Accepted: 09/29/2022] [Indexed: 11/22/2022] Open
Abstract
Objective Cognitive impairment is a common complication of chronic kidney disease (CKD). Caffeine intake has been reported to improve cognitive performance in several studies. However, whether the benefits of caffeine intake on cognitive function apply to patients with CKD remains unknown. Methods We performed a retrospective cross-sectional study based on the National Health and Nutrition Examination Survey (NHANES). The data of CKD subjects and non-CKD subjects from NHANES 2011−2014 were analyzed. Propensity score matching (PSM) was performed based on age, sex, diabetes, cancer, educational level, energy intake and protein intake to select subjects. The Consortium to Establish a Registry for Alzheimer’s Disease Word Learning Test (CERAD-WL), the CERAD Word List Recall Test (CERAD-DR), the Animal Fluency Test (AF) and the Digit Symbol Substitution Test (DSST) were used, whereby the occurrence of cognitive impairment was identified. Logistic regression models were performed to evaluate the association between caffeine intake and cognitive performance in CKD and non-CKD participants. Stratified analyses according to the stage of CKD and the urinary albumin/creatinine ratio levels were performed. Plot curves were then generalized to present a non-linear relationship, and the inflection point for each non-linear model was obtained by using a recursive algorithm. Results Cognitive impairment was more prevalent in CKD patients than in non-CKD subjects. For CKD patients, caffeine intake was associated with higher CERAD-WL, CERAD-DR, AF and DSST scores. For non-CKD subjects, caffeine intake was associated with higher DSST scores only. Subgroup analysis revealed that caffeine only benefited the cognitive function of patients with CKD stages 2 and 3. The analysis showed non-linear relationships of caffeine intake and cognitive function for both CKD and non-CKD subjects. The inflection point of caffeine intake for CKD patients was 279 mg/day. Conclusion The recommended dose of caffeine intake to improve the cognitive function of CKD patients is ≤279 mg/day.
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Affiliation(s)
- Linpei Jia
- Department of Nephrology, Xuanwu Hospital, Capital Medical University, Beijing, China,*Correspondence: Linpei Jia,
| | - Hanxue Zhao
- College of Basic Medicine, Capital Medical University, Beijing, China
| | - Lixiao Hao
- Department of General Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Lin-Hui Jia
- College of Basic Medicine, Southern Medical University, Guangzhou, China
| | - Rufu Jia
- Administrative Office, Central Hospital of Cangzhou, Cangzhou, China,Rufu Jia,
| | - Hong-Liang Zhang
- Department of Life Sciences, National Natural Science Foundation of China, Beijing, China,Hong-Liang Zhang, ,
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47
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Ye L, Dai Q, Hou F, Wu C, Qiu X, Yuan P, Chen F, Meng Y, Feng X, Jiang L. Salivary metabolomics of burning mouth syndrome: A cross-sectional study. Arch Oral Biol 2022; 144:105552. [DOI: 10.1016/j.archoralbio.2022.105552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/09/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022]
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Relationship between Nutrition, Lifestyle, and Neurodegenerative Disease: Lessons from ADH1B, CYP1A2 and MTHFR. Genes (Basel) 2022; 13:genes13081498. [PMID: 36011409 PMCID: PMC9408177 DOI: 10.3390/genes13081498] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/17/2022] Open
Abstract
In the present review, the main features involved in the susceptibility and progression of neurodegenerative disorders (NDDs) have been discussed, with the purpose of highlighting their potential application for promoting the management and treatment of patients with NDDs. In particular, the impact of genetic and epigenetic factors, nutrients, and lifestyle will be presented, with particular emphasis on Alzheimer’s disease (AD) and Parkinson’s disease (PD). Metabolism, dietary habits, physical exercise and microbiota are part of a complex network that is crucial for brain function and preservation. This complex equilibrium can be disrupted by genetic, epigenetic, and environmental factors causing perturbations in central nervous system homeostasis, contributing thereby to neuroinflammation and neurodegeneration. Diet and physical activity can directly act on epigenetic modifications, which, in turn, alter the expression of specific genes involved in NDDs onset and progression. On this subject, the introduction of nutrigenomics shed light on the main molecular players involved in the modulation of health and disease status. In particular, the review presents data concerning the impact of ADH1B, CYP1A2, and MTHFR on the susceptibility and progression of NDDs (especially AD and PD) and how they may be exploited for developing precision medicine strategies for the disease treatment and management.
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Jiang H, Zhang Y, Yue J, Shi Y, Xiao B, Xiao W, Luo Z. Non-coding RNAs: The Neuroinflammatory Regulators in Neurodegenerative Diseases. Front Neurol 2022; 13:929290. [PMID: 36034298 PMCID: PMC9414873 DOI: 10.3389/fneur.2022.929290] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/23/2022] [Indexed: 01/09/2023] Open
Abstract
As a common indication of nervous system diseases, neuroinflammation has attracted more and more attention, especially in the process of a variety of neurodegenerative diseases, such as Alzheimer's disease and Parkinson's disease. Two types of non-coding RNAs (ncRNAs) are widely involved in the process of neuroinflammation in neurodegenerative diseases, namely long non-coding RNAs (lncRNAs) and microRNAs (miRNAs). However, no research has systematically summarized that lncRNAs and miRNAs regulate neurodegenerative diseases through neuroinflammatory mechanisms. In this study, we summarize four main mechanisms of lncRNAs and miRNAs involved in neuroinflammation in neurodegenerative diseases, including the imbalance between proinflammatory and neuroprotective cells in microglia and astrocytes, NLRP3 inflammasome, oxidative stress, and mitochondrial dysfunction, and inflammatory mediators. We hope to clarify the regulatory mechanism of lncRNAs and miRNAs in neurodegenerative diseases and provide new insights into the etiological treatment of neurodegenerative diseases from the perspective of neuroinflammation.
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Affiliation(s)
- Hao Jiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Ying Zhang
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Juan Yue
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Yuchen Shi
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Epileptic Disease of Hunan Province, Central South University, Changsha, China
| | - Wenbiao Xiao
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, Changsha, China
- *Correspondence: Wenbiao Xiao
| | - Zhaohui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Epileptic Disease of Hunan Province, Central South University, Changsha, China
- Zhaohui Luo
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Abstract
IMPORTANCE Alzheimer's disease (AD) is a complex neurodegenerative disorder and the most prevalent cause of dementia. In spite of the urgent need for more effective AD drug therapy strategies, evidence of the efficacy of combination therapy with existing drugs remains unclear. OBJECTIVE To assess the efficacy of combined drug therapy on cognition and progress in patients with AD in comparison to single agent drug therapy. METHODS The electronic databases MEDLINE and EMBASE were systematically searched to identify relevant publications. Only randomized controlled clinical trials were included, but no limits were applied to language or time published. Data were extracted from May 27th until December 29th, 2020. RESULTS Three trials found that a combination of ChEI with additional memantine provides a slight benefit for patients with moderate to severe AD over ChEI monotherapy and placebo. However, a further 4 trials could not replicate this effect. One trial reported benefits of add-on Gingko biloba in donepezil-treated patients with moderate AD (using a formula containing Gingko and other antioxidants) compared to donepezil with placebo. A further trial found no significant effect of combining EGb 761® and donepezil in patients with probable AD over donepezil with placebo. Approaches with idalopirdine, atorvastatin or vitamin supplementation in combination with ChEI have not proven effective and have not been retried since. Fluoxetine and ST101 have shown partial benefits in combination with ChEI over ChEI monotherapy and placebo. However, these effects must be replicated by further research. CONCLUSION Additional memantine in combination with ChEI might be of slight benefit in patients with moderate to severe AD, but evidence is ambiguous. Longer trials are needed. No major cognitive benefit is missed, if solely appropriate ChEI monotherapy is initiated.
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Affiliation(s)
- Adrian L. Knorz
- Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Campus Benjamin Franklin, Berlin, Germany,Adrian L. Knorz, Charité-Universitätsmedizin Campus Benjamin Franklin, Hindenburgdamm 30, Berlin 12200, Germany.
| | - Arnim Quante
- Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Campus Benjamin Franklin, Berlin, Germany,Department of Psychiatry and Psychotherapy, Friedrich von Bodelschwingh Klinik, Berlin, Germany
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