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Madani AF, Syauqi MA, Permatasari JA, Putri AA, M F, Permana AD. Development of Telmisartan Nanocrystal-Based Dissolving Microneedle for Brain Targeting via Trigeminal Pathway: A Potentially Promising Treatment for Alzheimer's with an Improved Pharmacokinetic Profile. ACS APPLIED BIO MATERIALS 2024; 7:2582-2593. [PMID: 38567491 DOI: 10.1021/acsabm.4c00246] [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: 04/04/2024]
Abstract
Telmisartan (TMN), an angiotensin receptor blocker (ARB) drug, is being considered as an alternative therapy for Alzheimer's disease (ALZ). However, when taken orally, its low water solubility leads to a low bioavailability and brain concentration. To overcome this problem, TMN was formulated as nanocrystals (NC), then incorporated into dissolving microneedles (DMN) to enhance drug delivery to the brain via the trigeminal route on the face. TMN-NC was formulated with 1% PVA using the top-down method and stirred for 12 h, producing the smallest particle size of 132 ± 11 nm and showing a better release profile, reaching 89.51 ± 7.52% (2 times greater than pure TMN). TMN-NC-DMN with a combination of 15% PVA and 25% PVP showed optimal mechanical strength and penetration ability; they could dissolve completely within 15 min, and their surface pH was safe for the skin. The permeation test of TMN-NC-DMN showed the highest concentration, reaching 285.80 ± 32.12 μg/mL, compared to TMN-DMN and patch control, which only reached 87.17 ± 11.24 and 94.00 ± 11.09 μg/mL, respectively. The TMN-NC-DMN combination showed better bioavailability and was found to be well-delivered to the brain without any irritation to the skin. Pharmacokinetic parameters had a significant difference (p > 0.05) compared to other preparations, making it a promising treatment for ALZ.
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Affiliation(s)
- Aqilah F Madani
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
| | - Muhammad A Syauqi
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
| | - Jihan A Permatasari
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
| | - Annisa A Putri
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
| | - Fadel M
- Faculty of Medicine, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
| | - Andi Dian Permana
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, South Sulawesi, Indonesia
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Francisco Fukumoto AA, Alves Pimenta JA, Hirooka EY, Kuroda EK. Pesticides removal from water using activated carbons and carbon nanotubes. ENVIRONMENTAL TECHNOLOGY 2024; 45:431-453. [PMID: 35959785 DOI: 10.1080/09593330.2022.2112979] [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: 04/24/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
The conventional water treatment technique (CT) widely applied cannot alone remove pesticides efficiently from water. Therefore, this work aimed to provide technical and scientific support for the association of pulverized activated carbon (PACs), granular activated carbon (GACs), and carbon nanotubes (CNT) with CT concerning atrazine (ATZ), simazine (SMZ), and diuron (DIU) removal. Actual conditions of pre/during, and post-treatment points of application, within water production process line, in water treatment plants (WTPs), using the pesticides in two forms, commercial product (CP) and analytical standard (SD). It was possible to demonstrate significant differences regarding the removal of ATZ, SMZ, and DIU in their SD and CP forms for the PACs, GACs, and CNTs. The minimum dosage of CNT required for adequate adsorption of all pesticides was superior to 160 mg. L-1; is 400% higher than the minimum dosage of 40 mg. L-1 is required for PAC application. ATZ, SMZ, and DIU in the SD form were more efficiently removed with percentages superior to 96.4% for ATZ, 98.2% for SMZ, and 99.1% for DIU. The characteristics of the adsorptive materials did not guide the adsorption efficacy. Instead, chemical interaction, contact time, and point application were critical factors. The pre-treatment and post-treatment applications were the most efficient, with removals oscillating from 97.7% to 100% for ATZ, 97.7% to 100% for SMZ, and 99.1 to 100% for DIU PAC and GAC, respectively.Highlights The pesticides forms of application, SD and CP, affect adsorption efficiency.Adsorbent point of application, in WTPLS, and contact time are key factors for pesticide removal.The primary adsorption mechanism in all the materials tested was chemical.The pre-treatment and post-treatment were the most efficient PACs and GACs application forms, respectively.
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Affiliation(s)
| | - José Augusto Alves Pimenta
- Technology and Urbanism Center, Civil Construction Department, State University of Londrina, Londrina, Brazil
| | - Elisa Yoko Hirooka
- Food and Drug Technology Department, State University of Londrina, Londrina, Brazil
| | - Emília Kiyomi Kuroda
- Technology and Urbanism Center, Civil Construction Department, State University of Londrina, Londrina, Brazil
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Ababei DC, Bild V, Macadan I, Vasincu A, Rusu RN, Blaj M, Stanciu GD, Lefter RM, Bild W. Therapeutic Implications of Renin-Angiotensin System Modulators in Alzheimer's Dementia. Pharmaceutics 2023; 15:2290. [PMID: 37765259 PMCID: PMC10538010 DOI: 10.3390/pharmaceutics15092290] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
The Renin-Angiotensin System (RAS) has attracted considerable interest beyond its traditional cardiovascular role due to emerging data indicating its potential involvement in neurodegenerative diseases, including Alzheimer's dementia (AD). This review investigates the therapeutic implications of RAS modulators, specifically focusing on angiotensin-converting enzyme inhibitors (ACEIs), angiotensin receptor blockers (ARBs), and renin inhibitors in AD. ACEIs, commonly used for hypertension, show promise in AD by reducing angiotensin (Ang) II levels. This reduction is significant as Ang II contributes to neuroinflammation, oxidative stress, and β-amyloid (Aβ) accumulation, all implicated in AD pathogenesis. ARBs, known for vasodilation, exhibit neuroprotection by blocking Ang II receptors, improving cerebral blood flow and cognitive decline in AD models. Renin inhibitors offer a novel approach by targeting the initial RAS step, displaying anti-inflammatory and antioxidant effects that mitigate AD degeneration. Preclinical studies demonstrate RAS regulation's favorable impact on neuroinflammation, neuronal damage, cognitive function, and Aβ metabolism. Clinical trials on RAS modulators in AD are limited, but with promising results, ARBs being more effective that ACEIs in reducing cognitive decline. The varied roles of ACEIs, ARBs, and renin inhibitors in RAS modulation present a promising avenue for AD therapeutic intervention, requiring further research to potentially transform AD treatment strategies.
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Affiliation(s)
- Daniela-Carmen Ababei
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (D.-C.A.); (A.V.); (R.-N.R.)
| | - Veronica Bild
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (D.-C.A.); (A.V.); (R.-N.R.)
- Center of Biomedical Research, Romanian Academy, Iasi Branch, 8 Carol I Avenue, 700506 Iasi, Romania; (R.-M.L.); (W.B.)
| | - Ioana Macadan
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (D.-C.A.); (A.V.); (R.-N.R.)
| | - Alexandru Vasincu
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (D.-C.A.); (A.V.); (R.-N.R.)
| | - Răzvan-Nicolae Rusu
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (D.-C.A.); (A.V.); (R.-N.R.)
| | - Mihaela Blaj
- Department of Anaesthesiology and Intensive Therapy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania;
| | - Gabriela Dumitrița Stanciu
- Center for Advanced Research and Development in Experimental Medicine (CEMEX), “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania;
| | - Radu-Marian Lefter
- Center of Biomedical Research, Romanian Academy, Iasi Branch, 8 Carol I Avenue, 700506 Iasi, Romania; (R.-M.L.); (W.B.)
| | - Walther Bild
- Center of Biomedical Research, Romanian Academy, Iasi Branch, 8 Carol I Avenue, 700506 Iasi, Romania; (R.-M.L.); (W.B.)
- Department of Physiology, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
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Fu XX, Wei B, Cao HM, Duan R, Deng Y, Lian HW, Zhang YD, Jiang T. Telmisartan Alleviates Alzheimer's Disease-Related Neuropathologies and Cognitive Impairments. J Alzheimers Dis 2023:JAD230133. [PMID: 37355897 DOI: 10.3233/jad-230133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2023]
Abstract
BACKGROUND Alzheimer's disease (AD) is the most common type of neurodegenerative disorder. There are few effective medications for halting the progression of AD. Telmisartan (TEL) is a widely used anti-hypertensive drug approved by FDA. Aside from treating hypertension, TEL has been revealed to provide protection against AD. However, the underlying mechanisms remain unclear. OBJECTIVE To investigate the mechanisms underlying the beneficial effects of TEL against AD. METHODS Eight-month-old APP/PS1 mice were administered with 5 mg/kg TEL once per day for 4 successive months. Nesting test, Y-maze test, and Morris water maze test were employed to assess the cognitive and executive functions. Neuronal and synaptic markers, Aβ pathology, neuroinflammation, and oxidative stress in the brains were measured. Specifically, components involved in amyloid-β (Aβ) production and degradation pathway were analyzed to explore the mechanisms underlying the therapeutic effect of TEL against Aβ pathology. The primary microglia were used to uncover the mechanisms underlying the anti-inflammatory effects of TEL in AD. Additionally, the preventive effect of TEL against AD were investigated using 4-month-old APP/PS1 mice. RESULTS TEL treatment ameliorated cognitive and executive impairments, neuronal and synaptic injury, Aβ pathology, neuroinflammation, and oxidative stress in APP/PS1 mice. The favorable effects of TEL on Aβ pathology were achieved by inhibiting enzymatic Aβ production and facilitating enzymatic and autophagic Aβ degradation. Meanwhile, the anti-inflammatory effects of TEL were accomplished via microglial PPARγ/NLRP3 pathway. The administration of TEL prior to symptom onset prevented AD-related cognitive decline and neuropathologies. CONCLUSION TEL represents a promising agent for AD prevention and treatment.
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Affiliation(s)
- Xin-Xin Fu
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
- Department of Neurology, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu Province, PR China
| | - Bin Wei
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
| | - Hai-Ming Cao
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
| | - Rui Duan
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
- Department of Neurology, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu Province, PR China
| | - Yang Deng
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
- Department of Neurology, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu Province, PR China
| | - Hui-Wen Lian
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
| | - Ying-Dong Zhang
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
- Department of Neurology, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu Province, PR China
| | - Teng Jiang
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, PR China
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Bromelain Modulates Liver Injury, Hematological, Molecular, and Biochemical Perturbations Induced by Aluminum via Oxidative Stress Inhibition. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5342559. [PMID: 36452063 PMCID: PMC9705099 DOI: 10.1155/2022/5342559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/11/2022] [Accepted: 10/27/2022] [Indexed: 11/22/2022]
Abstract
Aluminum (Al) is an important factor in the environment as it is used in agriculture and several industries leading to hazardous effects via oxidative stress. Bromelain is a cheap extract from the byproduct waste of Ananas comosus stem. It has been used in several biological and therapeutic applications. So, this study was undertaken to assess the hepatoprotective potential of bromelain versus oxidative stress induced by aluminum chloride in rats. Results revealed that administration of AlCl3 reduced the body and liver weights and increased Al concentration in the blood and liver tissue. Also, AlCl3 caused valuable changes in hematological parameters and increased TBARS and H2O2 concentrations in rat liver. Enzymatic (SOD, CAT, GPx, GR, and GST) and nonenzymatic (GSH) antioxidants and protein content were significantly decreased. Furthermore, alterations in liver biomarkers such as bilirubin level and enzyme activities in both serum and liver homogenate (LDH, ALP, AST, and ALT) were detected. AlCl3 also caused inflammation as indicated by upregulation of the inflammation-related genes [interleukin 1 beta (IL-1β)], tumor necrosis factor-alpha (TNF-α), as well as matrix metalloproteinase (MMP9), and downregulation of nuclear factor erythroid 2 (Nrf2) expression. In addition, histopathological examination showed significant variations in the liver that confirms the biochemical results. Otherwise, bromelain intake alone slumped lipid peroxidation and gotten better antioxidant status significantly. Moreover, supplementation with bromelain before AlCl3 intoxication restores enzymatic and nonenzymatic antioxidants as well as biochemical indices and tissue architecture with respect to the AlCl3 group. In conclusion, bromelain proved its remarkable protective power to abolish AlCl3 toxicity. So, it might represent a new strategy in the therapy of metal toxicity by its antioxidant capacity.
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Ahmed WMS, Ibrahim MA, Helmy NA, ElKashlan AM, Elmaidomy AH, Zaki AR. Amelioration of aluminum-induced hepatic and nephrotoxicity by Premna odorata extract is mediated by lowering MMP9 and TGF-β gene alterations in Wistar rat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:72827-72838. [PMID: 35614356 PMCID: PMC9522688 DOI: 10.1007/s11356-022-20735-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 05/05/2022] [Indexed: 05/05/2023]
Abstract
This study aims to investigate the effect of Premna odorata (P. odorata) (Lamiaceae) on the hepatic and nephrotoxicity induced by aluminum chloride (AlCl3) in rat. Wistar male rats were equally classified into four groups: control, P. odorata extract (500 mg/kg B.W.), AlCl3 (70 mg/kg B.W.), and P. odorata extract plus AlCl3 groups. All treatments were given orally for 4 weeks. Serum transaminases and some biochemical parameters, hepatic and renal antioxidant/oxidant biomarker; tumor necrosis factor-α (TNF-α); matrix metalloproteinase (MMP9) and transforming growth factor-β (TGF-β) mRNA expression; histopathological examination of the liver, and kidneys were investigated. The obtained results revealed that AlCl3 significantly increased the activities of serum aspartate transaminase, alanine transaminase, and alkaline phosphatase as well as produced a significant increase in total cholesterol, triglyceride, urea, and creatinine concentrations, while there were no changes observed in the total protein, albumin, and globulin concentrations. Also, aluminum administration significantly decreased the reduced glutathione content and increased the catalase activity, malondialdehyde, and TNF-α concentrations in the liver and kidney tissue. Moreover, AlCl3 results in congestion, degeneration, and inflammation of the liver and kidney tissue. Co-treatment of P. odorata extract with AlCl3 alleviated its harmful effects on the previous parameters and reduced the histopathological alterations induced by AlCl3. Therefore, Premna odorata may have a potent protective effect against oxidative stress induced by Al toxicity through downregulation of MMP9 and TGF-β gene expression.
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Affiliation(s)
- Walaa M S Ahmed
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Marwa A Ibrahim
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
| | - Nermeen A Helmy
- Department of Physiology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Akram M ElKashlan
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Abeer H Elmaidomy
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Amr R Zaki
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
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Hassanein EHM, Mohamed WR, Ahmed OS, Abdel-Daim MM, Sayed AM. The role of inflammation in cadmium nephrotoxicity: NF-κB comes into view. Life Sci 2022; 308:120971. [PMID: 36130617 DOI: 10.1016/j.lfs.2022.120971] [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: 07/30/2022] [Revised: 09/06/2022] [Accepted: 09/13/2022] [Indexed: 11/29/2022]
Abstract
Kidney diseases are major health problem and understanding the underlined mechanisms that lead to kidney diseases are critical research points with a marked potential impact on health. Cadmium (Cd) is a heavy metal that occurs naturally and can be found in contaminated food. Kidneys are the most susceptible organ to heavy metal intoxication as it is the main route of waste excretion. The harmful effects of Cd were previously well proved. Cd induces inflammatory responses, oxidative injury, mitochondrial dysfunction and disturbs Ca2+ homeostasis. The nuclear factor-kappa B (NF-κB) is a cellular transcription factor that regulates inflammation and controls the expression of many inflammatory cytokines. Therefore, great therapeutic benefits can be attained from NF-κB inhibition. In this review we focused on certain compounds including cytochalasin D, mangiferin, N-acetylcysteine, pyrrolidine dithiocarbamate, roflumilast, rosmarinic acid, sildenafil, sinapic acid, telmisartan and wogonin and certain plants as Astragalus Polysaccharide, Ginkgo Biloba and Thymus serrulatus that potently inhibit NF-κB and effectively counteracted Cd-associated renal intoxication. In conclusion, the proposed NF-κB involvement in Cd-renal intoxication clarified the underlined inflammation associated with Cd-nephropathy and the beneficial effects of NF-κB inhibitors that make them the potential to substantially optimize treatment protocols for Cd-renal intoxication.
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Affiliation(s)
- Emad H M Hassanein
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Wafaa R Mohamed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Osama S Ahmed
- Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Mohamed M Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, 41522 Ismailia, Egypt
| | - Ahmed M Sayed
- Biochemistry Laboratory, Chemistry Department, Faculty of Science, Assiut University, Egypt.
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Chen F, Chen Y, Wang Y, Ke Q, Cui L. The COVID-19 pandemic and Alzheimer’s disease: mutual risks and mechanisms. Transl Neurodegener 2022; 11:40. [PMID: 36089575 PMCID: PMC9464468 DOI: 10.1186/s40035-022-00316-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/02/2022] [Indexed: 11/10/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a life-threatening disease, especially in elderly individuals and those with comorbidities. The predominant clinical manifestation of COVID-19 is respiratory dysfunction, while neurological presentations are increasingly being recognized. SARS-CoV-2 invades host cells primarily via attachment of the spike protein to the angiotensin-converting enzyme 2 (ACE2) receptor expressed on cell membranes. Patients with Alzheimer’s disease (AD) are more susceptible to SARS-CoV-2 infection and prone to severe clinical outcomes. Recent studies have revealed some common risk factors for AD and COVID-19. An understanding of the association between COVID-19 and AD and the potential related mechanisms may lead to the development of novel approaches to treating both diseases. In the present review, we first summarize the mechanisms by which SARS-CoV-2 invades the central nervous system (CNS) and then discuss the associations and potential shared key factors between COVID-19 and AD, with a focus on the ACE2 receptor, apolipoprotein E (APOE) genotype, age, and neuroinflammation.
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Samant NP, Gupta GL. Gossypetin- based therapeutics for cognitive dysfunction in chronic unpredictable stress- exposed mice. Metab Brain Dis 2022; 37:1527-1539. [PMID: 35377087 DOI: 10.1007/s11011-022-00971-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 03/21/2022] [Indexed: 12/27/2022]
Abstract
Chronic unpredictable stress (CUS) is a promising model for induction of cognition impairment. Stress induced memory dysfunction is linked to the activation of kynurenine (KYN) pathway. This pathway indicates that, chronic stress primarily promotes the release of excessive cortisol from the adrenal gland, which tends to activate microglia and further increases kynurenine and its downstream pathway, resulting in excessive quinolinic acid (QA), which further impairs brain derived neurotrophic factor (BDNF) levels and leads to neurodegeneration. Prior studies already established anti-oxidant and anti-depressant activity of gossypetin. This research study was mainly conducted to elaborate neuroprotective activity of gossypetin against CUS-induced cognition impairment via acting on kynurenine pathway. In this study, Swiss albino mice were exposed to various stressors for five weeks and then administered with gossypetin (5, 10 and 20 mg/kg, i.p.) from the 4th to the 7th week (from day 22 to 49). Several behavioral tests were carried out between days 36 to 49 (6th and 7th week) and further corticosterone, neurotransmitters, oxidative stress, and brain-derived neurotrophic factor (BDNF) levels were measured. Results state that CUS exposed mice showed significant improvement in the behavioral pattern after gossypetin treatment. Corticosterone levels and oxidative stress was also found to be significantly decreased in gossypetin (10 and 20 mg/kg, i.p.) treated mice when compared with CUS exposed mice. Whereas, serotonin, norepinephrine and BDNF levels were also found to be increased after gossypetin treatment. Hence, gossypetin can be considered as a neuroprotective agent against cognition impairment caused by chronic unpredictable stress.
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Affiliation(s)
- Nikita Patil Samant
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM'S NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, 400 056, Maharashtra, India
| | - Girdhari Lal Gupta
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM'S NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, 400 056, Maharashtra, India.
- School of Pharmacy & Technology Management, SVKM'S NMIMS, Shirpur Campus, Shirpur, 425 405, Maharashtra, India.
- Department of Pharmacology, School of Pharmacy & Technology Management, SVKM'S NMIMS, Shirpur, 425 405, Maharashtra, India.
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Telmisartan neuroprotective effects in 3-nitropropionic acid Huntington's disease model in rats: Cross talk between PPAR-γ and PI3K/Akt/GSK-3β pathway. Life Sci 2022; 297:120480. [DOI: 10.1016/j.lfs.2022.120480] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/24/2022] [Accepted: 03/08/2022] [Indexed: 11/18/2022]
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Zhou X, A Zezi MY, Li D, Wang J. Telmisartan ameliorates LPS-induced pneumonia in rats through regulation of the PPARγ/NF-κB pathway. Microbiol Immunol 2022; 66:371-378. [PMID: 35485217 DOI: 10.1111/1348-0421.12981] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 04/10/2022] [Accepted: 04/21/2022] [Indexed: 11/28/2022]
Abstract
Pneumonia is a common disorder of the respiratory system associated with inflammation. Telmisartan (TEL) has been reported to treat inflammatory-related diseases. The current study is aimed to make investigations for the possible role and action mechanism of TEL on lipopolysaccharide (LPS)-induced pneumonia rats. Forty male Sprague Dawley (SD) rats aged 8 weeks were assigned into four groups ad libitum: a control group received saline only, an experimental group received LPS, a group received TEL (5 mg/kg), followed by LPS treatment, and a group received TEL (10 mg/kg), followed by LPS treatment. LPS (2 mg/kg) and equal saline were administered intratracheally. TEL was orally administrated 5 days before LPS. After LPS treatment for 24 h, bronchoalveolar lavage fluid (BALF) and serum were collected for the analysis of cell counts and/or cytokines. Lung tissues were used to perform histological examination, assess oxidative stress levels, and determine the levels of PPARγ/NF-κB pathway-related proteins. Rats received LPS treatment exhibited high levels of lung wet/dry ratio, ALP, LDH, BALF polymorphonuclear leukocytes count, inflammatory cytokines, and oxidative stress. Meanwhile, LPS also resulted in severe interstitial edema and inflammatory cells infiltration. Interestingly, TEL by oral administration remarkably ameliorated the adverse effects on pneumonia rats caused by LPS. In addition, western blotting further revealed that TEL could activate PPARγ and repress NF-κB (p65). TEL is protective against pneumonia through inhibition of the inflammation and oxidative stress via the PPARγ/NF-κB pathway. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xiuhong Zhou
- Department of respiration, Midong hospital, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang, 830000, China
| | - Ma Yire A Zezi
- Department of respiration, Midong hospital, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang, 830000, China
| | - Dandan Li
- Department of Gastroenterology, Midong hospital, people's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang, 830000, China
| | - Jian Wang
- Department of respiration, Midong hospital, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang, 830000, China
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Blood Aluminum Levels in Patients with Hemodialysis and Peritoneal Dialysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19073885. [PMID: 35409569 PMCID: PMC8997989 DOI: 10.3390/ijerph19073885] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/18/2022] [Accepted: 03/22/2022] [Indexed: 02/04/2023]
Abstract
Background. This retrospective observational study attempted to examine the prevalence of abnormal blood aluminum levels in dialysis patients, and to explore the association of pathogenic factors, such as demographic, clinical, laboratory as well as the use of phosphate binding drugs, drugs for secondary hyperparathyroidism and erythropoiesis-stimulating drugs with the blood aluminum levels. Methods. The study included 1175 patients (874 hemodialysis and 301 peritoneal dialysis), recruited from Chang Gung Memorial Hospital in November 2020. Patients were stratified into two groups by their blood aluminum levels, as normal (<2 µg/dL, n = 1150) or abnormal (≥2 µg/dL, n = 25). Results. The patients aged 60.4 ± 13.2 years and were dialyzed for 8.6 ± 8.1 years. The average blood aluminum level was 1.0 ± 0.4 µg/dL. Patients with abnormal blood aluminum levels received more sevelamer than patients with normal blood aluminum level (p = 0.014). Patients with abnormal blood aluminum levels had higher platelet count (p = 0.001), triglyceride (p < 0.001) and total iron binding capacity (p = 0.003) than patients with normal blood aluminum levels. Moreover, the cardiothoracic ratio was higher in patients with abnormal blood aluminum levels than patients with normal blood aluminum levels (p = 0.003). Conclusions. The prevalence of abnormal blood aluminum levels was low at 2.2%. Nevertheless, the linking of cardiothoracic ratio of more than 0.5 as well as elevated blood platelet count and triglyceride level with blood aluminum levels are interesting, and warranted more researches in this area.
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Elfouly A, Awny M, Ibrahim MK, Aboelsaad M, Tian J, Sayed M. Effects of Long-Acting Testosterone Undecanoate on Behavioral Parameters and Na + , K +-ATPase mRNA Expression in Mice with Alzheimer`s Disease. Neurochem Res 2021; 46:2238-2248. [PMID: 34036518 DOI: 10.1007/s11064-021-03357-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 04/30/2021] [Accepted: 05/15/2021] [Indexed: 01/01/2023]
Abstract
Previous studies have shown that testosterone attenuates stress-induced mood dysfunction and memory deterioration. However, the exact mechanism is still unknown. This study was conducted to investigate the role of long-term testosterone undecanoate on the behavioral responses in AD induced by AlCl3 + D-galactose administration and the possible alteration of the gene expression level of the Na/K ATPase pump. Adult male mice received AlCl3 in drinking water (10 mg/kg/day) and (D-gal 200 mg/kg/day), subcutaneously for 90 consecutive days, then received a single intramuscular (I.M) injection of castor oil (vehicle) on day 91, while treated groups received a single I.M injection of either low (100 mg/kg/45 days) or high dose (500 mg/kg/45 days) respectively of long-acting testosterone undecanoate on day 91. The time spent in the interaction zone during the open field test, preference index to novel objects in the novel object recognition test, spontaneous alternation percentage (SAP) in Y-maze test, and escape latency time in the Morris water maze test were used to measure the locomotor activity, long-term memory, and spatial memory in mice, respectively. The results showed that testosterone undecanoate treatment improved locomotor activity, improved preference to novel objects, improved spatial memory, and reversed anxiety and depression induced by AlCl3 + D-galactose administration in male mice, suggesting the enhancement of behavioral and memory functions brought by testosterone treatment. Moreover, testosterone undecanoate treatment did alter gene expression levels of Na/K ATPase isoforms in the brain hippocampus. In most cases, altered gene expression was significant and correlated with the observed behavioral changes. Taken together, our findings provide new insight into the effects of long-acting testosterone undecanoate administration on locomotor activity, long-term memory, anxiety, and spatial memory in male mice with Alzheimer's disease.
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Affiliation(s)
- A Elfouly
- Department of Pharmacology, Faculty of Pharmacy, October 6Th University, Cairo, Egypt
| | - M Awny
- Department of Pharmacology, Faculty of Pharmacy, October 6Th University, Cairo, Egypt
| | - M K Ibrahim
- Department of Developmental Pharmacology, National Organization for Drug Control and Research (NODCAR), Giza, Egypt
| | - M Aboelsaad
- Department of Clinical Pharmacy Practice, Faculty of Pharmacy, The British University in Egypt, El Shorouk City, Egypt
| | - J Tian
- Department of Biomedical Sciences &, Marshall Institute of Interdisciplinary Research (MIIR), Marshall University, Huntington, WV, USA
| | - M Sayed
- Department of Clinical Pharmacy Practice, Faculty of Pharmacy, The British University in Egypt, El Shorouk City, Egypt. .,Center of Drug Research Development (CDRD), The British University in Egypt, El Shorouk City, Egypt.
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Abd El Aziz AE, Sayed RH, Sallam NA, El Sayed NS. Neuroprotective Effects of Telmisartan and Nifedipine Against Cuprizone-Induced Demyelination and Behavioral Dysfunction in Mice: Roles of NF-κB and Nrf2. Inflammation 2021; 44:1629-1642. [PMID: 33709265 DOI: 10.1007/s10753-021-01447-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/01/2021] [Accepted: 03/03/2021] [Indexed: 12/28/2022]
Abstract
Multiple sclerosis is a chronic inflammatory neurodegenerative disease of the central nervous system which injures the myelin sheath. Telmisartan and nifedipine are antihypertensive drugs that recently showed neuroprotective properties against neurodegenerative diseases. This study evaluated the neuroprotective effect of telmisartan or nifedipine in cuprizone-induced demyelination in mice by examining the underlying mechanisms. C57BL/6 mice received a diet containing 0.7% (w/w) cuprizone for 7 days followed by 3 weeks on a 0.2% cuprizone diet. Telmisartan (5 mg/kg/day, p.o.) or nifedipine (5 mg/kg/day, p.o.) was administered for 3 weeks starting from the second week. Telmisartan or nifedipine improved locomotor activity and enhanced motor coordination as demonstrated by open field, rotarod, and grip strength tests. Furthermore, telmisartan or nifedipine restored myelin basic protein mRNA and protein expression and increased luxol fast blue-staining intensity. Telmisartan or nifedipine attenuated cuprizone-induced oxidative stress and apoptosis by decreasing brain malondialdehyde and caspase-3 along with restoring reduced glutathione and brain-derived neurotrophic factor levels. Telmisartan or nifedipine exerted an anti-inflammatory effect by reducing the expression of nuclear factor kappa B (NF-κB p65) as well as pro-inflammatory cytokines and elevating the expression of IκB-α. In parallel, telmisartan or nifedipine upregulated the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and the levels of heme oxygenase-1 and NADPH quinone oxidoreductase 1 enzymes. In conclusion, the current study provides evidence for the protective effect of telmisartan and nifedipine in cuprizone-induced demyelination and behavioral dysfunction in mice possibly by modulating NF-κB and Nrf2 signaling pathways.
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Affiliation(s)
- Amira E Abd El Aziz
- Center of Excellence, Arab Academy for Science and Technology and Maritime Transport, Alexandria, Egypt
| | - Rabab Hamed Sayed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt.
| | - Nada A Sallam
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
| | - Nesrine S El Sayed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
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Losartan Improves Memory, Neurogenesis and Cell Motility in Transgenic Alzheimer's Mice. Pharmaceuticals (Basel) 2021; 14:ph14020166. [PMID: 33672482 PMCID: PMC7923419 DOI: 10.3390/ph14020166] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/16/2021] [Accepted: 02/18/2021] [Indexed: 12/17/2022] Open
Abstract
Angiotensin receptor blockers (ARBs) have demonstrated multiple neuroprotective benefits in Alzheimer’s disease (AD) models. However, their beneficial effects on memory deficits, cholinergic activity, neurogenesis and Amyloid beta (Aβ) clearance reveal significant interstudy variability. The delivery route can impact not only delivery but also targeting and therapeutic efficacy of ARBs. Our previous findings on the beneficial effects of intranasally delivered losartan in the APP/PS1 model of AD prompted us to explore the influence of the delivery route by employing here the systemic administration of losartan. Consistent with our previous results with intranasal losartan, repeated intraperitoneal administration (10 mg/kg) resulted in a remarkable decrease in Aβ plaques and soluble Aβ42, as well as inflammatory cytokines (IL-2, IL-6 and TNFα). The Aβ reduction can be ascribed to its facilitated degradation by neprilysin and diminished generation by BACE1. Losartan increased neurogenesis in vivo and in vitro and improved migratory properties of astrocytes isolated from adult transgenic AD mice. In summary, this data together with our previous results suggest therapeutic features of losartan which are independent of delivery route. The improvement of cell motility of Aβ-affected astrocytes by losartan deserves further in vivo investigation, which may lead to new strategies for AD treatment.
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Li M, Cheng J, Zou F, Zhang C, Wang M, Li Y, Gu J, Yan M. Effects of pre-oxidation on residual dissolved aluminum in coagulated water: A pilot-scale study. WATER RESEARCH 2021; 190:116682. [PMID: 33279751 DOI: 10.1016/j.watres.2020.116682] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/23/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
Residual dissolved aluminum (Al) in drinking water is becoming a serious concern due to its high potential risks to human health. However, the mechanism by which residual dissolved Al forms is yet to be elucidated in detail. In this study, the effects of pre-oxidation by ozonation and chlorination on the properties of dissolved organic matter (DOM) and residual Al concentrations remaining in solution after coagulation were explored in a pilot-scale test. Changes in the DOM properties caused by the water treatment process were characterized by ultraviolet-visible absorbance spectroscopy. Theprotonation-active sites, carboxylic- and phenolic-type groupsof DOM were quantified by spectral parameter DlnA400 (differential log-transformed spectra at wavelength 400 nm) in combination with the revised non-ideal competitive adsorption model. The results show that ozonation and chlorination significantly affect the properties of DOM and the amount of residual dissolved Al in coagulated drinking water. This effect was associated with the changes in the carboxylic- and phenolic-type groups in DOM. Results of the study show that residual dissolved Al in coagulated water can be controlled by affecting theAl binding sites in DOM by pre-oxidation before coagulation. The nature of pre-oxidation agent and its dosage should be selected depending on the quality of the raw water to be treated. Ozonation was concluded to be preferable pre-oxidation agent for the water in examined this study.
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Affiliation(s)
- Mengzhuo Li
- Department of Environmental Engineering, Chang'An University, Xi'an710064, Shaanxi, China
| | - Jixia Cheng
- Department of Environmental Engineering, Chang'An University, Xi'an710064, Shaanxi, China
| | - Fang Zou
- Technology Institute of Beijing Waterworks Group Co. Ltd., Beijing100012, China
| | - Chenyang Zhang
- Department of Environmental Engineering, Peking University, The Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing100871,China
| | - Min Wang
- Technology Institute of Beijing Waterworks Group Co. Ltd., Beijing100012, China
| | - Yuxian Li
- Technology Institute of Beijing Waterworks Group Co. Ltd., Beijing100012, China
| | - Junnong Gu
- Technology Institute of Beijing Waterworks Group Co. Ltd., Beijing100012, China
| | - Mingquan Yan
- Department of Environmental Engineering, Peking University, The Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing100871,China.
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Probabilistic Risk Analysis to Assess Dietary Exposure to Aluminum in the Taiwanese Population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18031099. [PMID: 33530648 PMCID: PMC7908212 DOI: 10.3390/ijerph18031099] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/21/2021] [Accepted: 01/23/2021] [Indexed: 11/17/2022]
Abstract
Aluminum (Al) exposure at human dietary levels raises health concerns, yet little is known about the Al exposure from the Taiwanese diet. The amount of aluminum (Al)-containing food consumption in the Taiwanese total diet is increasing, which contributes to the total diet consumption., which raises the health concerns. In this study, we aim to assess estimated weekly intake (EWI) and the percentage of provisional tolerable weekly intake (%PTWI) of the dietary exposure to Al in different age-sex groups. We also applied probabilistic risk analyses to quantify the parameters' uncertainty by focusing on the distribution function for the Al concentration in food, consumption rate, and body weight in specific age groups. Results indicated that the EWIs declined with increasing age after 6-years old (7-12 > 13-15 > 16-18 > 19-64 > 65+). Results indicated that the EWIs gradually declined after 6-year of age. The EWIs of Al-rich food in cake + waffle, kelp, snacks, and bread contributed 20%, 17%, 17%, and 11%, respectively, to the total EWIs, corresponding with the much higher consumption rates for these four foods. The 75th percentile of EWIs for the children aged 34-6 years had a %PTWI valued at over 100%, indicating a potential risk of Al intake via dietary exposure. Our findings show that there is a concern about the consumption of Al-rich foods for children in Taiwan.
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Abd el‐Rady NM, Ahmed A, Abdel‐Rady MM, Ismail OI. Glucagon-like peptide-1 analog improves neuronal and behavioral impairment and promotes neuroprotection in a rat model of aluminum-induced dementia. Physiol Rep 2021; 8:e14651. [PMID: 33355990 PMCID: PMC7757676 DOI: 10.14814/phy2.14651] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/08/2020] [Accepted: 10/18/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a worldwide severe medical and social burden. Liraglutide (LIR) has neuroprotective effects in preclinical animal models. AIM To explore the probable neuroprotective impact of Glucagon-like peptide-1 (GLP-1) on rats' behavior and to elucidate its underlying mechanisms. METHODS A total of 24 male albino rats were assigned to control, LIR (300 µg/kg subcutaneously (s.c.)), AD only (100 mg/kg aluminum chloride (AlCl3 ) orally) and LIR + AD treated groups. Eight radial arm maze was performed. Serum blood glucose, proinflammatory cytokines, oxidative stress markers were measured and hippocampal tissue homogenate neurotransmitters were evaluated. Histopathological and immunofluorescent examinations were performed. RESULTS LIR prevents the impairment of learning and improves both working memory and reference memory through significant reduction of serum tumor necrosis factor (TNF-α), interleukin 6 (IL-6) and interferon-γ (INF-γ) and malondialdehyde (MDA) and through the increase of superoxide dismutase (SOD), dopamine, adrenaline, and noradrenaline. LIR also improves hippocampal histological features of ALCL3 administrated rats and decreases the percentage of neuronal loss. CONCLUSION LIR normalizes ALCL3 -induced dementia. It improves cognitive dysfunction and ameliorates cerebral damage.
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Affiliation(s)
| | - Amel Ahmed
- Department of Histology and Cell BiologyFaculty of MedicineAssiut UniversityEgypt
| | | | - Omnia I. Ismail
- Department of Human Anatomy and EmbryologyFaculty of MedicineAssiut UniversityAssiutEgypt
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19
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Türk E, Ozan Tekeli I, Özkan H, Uyar A, Cellat M, Kuzu M, Yavas I, Alizadeh Yegani A, Yaman T, Güvenç M. The protective effect of esculetin against aluminium chloride-induced reproductive toxicity in rats. Andrologia 2020; 53:e13930. [PMID: 33368464 DOI: 10.1111/and.13930] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 11/28/2022] Open
Abstract
One of the prominent health problems caused by Aluminium was the decrease in male fertility rates. In the study, the protective effect of Esculetin (ESC) against the reproductive toxicity induced by Aluminium chloride (AlCl3 ) was investigated. For this purpose, AlCl3 was administrated to Wistar Albino rats at a dose of 34 mg/kg and ESC was administrated at a dose of 50 mg/kg for 70 days. It was determined that AlCl3 treatment reduced sperm motility and concentration, increased dead/live rate and abnormal sperm rate. It decreased serum testosterone level, and co-treatment of ESC significantly regulated these values. In the AlCl3 -treated group, MDA level increased and GSH level, GPx and CAT activities decreased compared with those of the control group. However, co-treatment of ESC showed an amelioratory effect on the values except for CAT activity. It was observed that the expression level of NRF-2 increased in the ESC and AlCl3 + ESC groups, and NF-κB increased in the AlCl3 group with the control group. It was determined that Caspase-3 expression decreased, and Bcl-2 expression increased in AlCl3 + ESC group compared to AlCl3 group. It was also determined that AlCl3 -induced tissue injury was significantly prevented by ESC co-treatment.
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Affiliation(s)
- Erdinç Türk
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Mustafa Kemal University, Antakya-Hatay, Turkey
| | - Ibrahim Ozan Tekeli
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Mustafa Kemal University, Antakya-Hatay, Turkey
| | - Hüseyin Özkan
- Department of Genetics, Faculty of Veterinary Medicine, Mustafa Kemal University, Antakya-Hatay, Turkey
| | - Ahmet Uyar
- Department of Pathology, Faculty of Veterinary Medicine, Mustafa Kemal University, Antakya-Hatay, Turkey
| | - Mustafa Cellat
- Department of Physiology, Faculty of Veterinary Medicine, Mustafa Kemal University Antakya-Hatay, Turkey
| | - Müslüm Kuzu
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Karabuk University, Karabuk, Turkey
| | - Ilker Yavas
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Mustafa Kemal, Antakya-Hatay, Turkey
| | - Arash Alizadeh Yegani
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Mustafa Kemal University, Antakya-Hatay, Turkey
| | - Turan Yaman
- Department of Pathology, Faculty of Veterinary Medicine, Yuzuncu Yil University, Van, Turkey
| | - Mehmet Güvenç
- Department of Physiology, Faculty of Veterinary Medicine, Mustafa Kemal University Antakya-Hatay, Turkey
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Khalil HM, Salama HH, Al-Mokaddem AK, Aljuaydi SH, Edris AE. Edible dairy formula fortified with coconut oil for neuroprotection against aluminium chloride-induced Alzheimer's disease in rats. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104296] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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21
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Flores-Cuadra JA, Madrid A, Fernández PL, Pérez-Lao AR, Oviedo DC, Britton GB, Carreira MB. Critical Review of the Alzheimer's Disease Non-Transgenic Models: Can They Contribute to Disease Treatment? J Alzheimers Dis 2020; 82:S227-S250. [PMID: 33216029 DOI: 10.3233/jad-200870] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Alzheimer's disease (AD) is a growing neurodegenerative disease without effective treatments or therapies. Despite the use of different approaches and an extensive variety of genetic amyloid based models, therapeutic strategies remain elusive. AD is characterized by three main pathological hallmarks that include amyloid-β plaques, neurofibrillary tangles, and neuroinflammatory processes; however, many other pathological mechanisms have been described in the literature. Nonetheless, the study of the disease and the screening of potential therapies is heavily weighted toward the study of amyloid-β transgenic models. Non-transgenic models may aid in the study of complex pathological states and provide a suitable complementary alternative to evaluating therapeutic biomedical and intervention strategies. In this review, we evaluate the literature on non-transgenic alternatives, focusing on the use of these models for testing therapeutic strategies, and assess their contribution to understanding AD. This review aims to underscore the need for a shift in preclinical research on intervention strategies for AD from amyloid-based to alternative, complementary non-amyloid approaches.
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Affiliation(s)
- Julio A Flores-Cuadra
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá
| | - Alanna Madrid
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá
| | - Patricia L Fernández
- Centro de Biología Celular y Molecular de Enfermedades, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá
| | - Ambar R Pérez-Lao
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá
| | - Diana C Oviedo
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá.,Escuela de Psicología, Facultad de Ciencias Sociales, Universidad Católica Santa María La Antigua (USMA), Panamá
| | - Gabrielle B Britton
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá
| | - Maria B Carreira
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), Panamá, República de Panamá
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Cheng L, Liang R, Li Z, Ren J, Yang S, Bai J, Niu Q, Yu H, Zhang H, Xia N, Liu H. Aluminum maltolate triggers ferroptosis in neurons: mechanism of action. Toxicol Mech Methods 2020; 31:33-42. [PMID: 32900247 DOI: 10.1080/15376516.2020.1821268] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Aluminum (Al), a neurotoxic element, can induce Alzheimer's disease (AD) via triggering neuronal death. Ferroptosis is a new type of programmed cell death related to neurological diseases. Unfortunately, its role in aluminum-induced neuronal death remains completely unclear. This study aimed to investigate whether ferroptosis is involved in neuronal death in response to aluminum exposure as well as its underlying mechanism. In this study, rat adrenal pheochromocytoma (PC12) cells were treated with 200 μM aluminum maltolate (Al(mal)3) for 24 h, and related biochemical indicators were assessed to determine whether ferroptosis was induced by aluminum in neurons. Then, the potential mechanism was explored by detecting of these genes and proteins associated with ferroptosis after adding ferroptosis-specific agonist Erastin (5 μM) and antagonist Ferrostatin-1 (Fer-1) (5 μM). The experimental results demonstrated that aluminum exposure significantly increased the death of PC12 cells and caused specific mitochondrial pathological changes of ferroptosis in PC12 cells. Further research confirmed that ferroptosis was triggered by aluminum in PC12 cells by means of activating the oxidative damage signaling pathway, which was displayed as inhibition of the cysteine/glutamate antiporter system (system Xc-), causing the depletion of cellular glutathione (GSH) and inactivation of glutathione peroxidase (GSH-PX) eventually lead to accumulation of reactive oxygen species (ROS). Taken together, ferroptosis was a means of neuronal death induced by aluminum and oxidative damage may be its underlying mechanism, which also provided some new clues to potential target for the intervention and therapy of AD.
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Affiliation(s)
- Liting Cheng
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Ruifeng Liang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Zhuang Li
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Jingjuan Ren
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Shoulin Yang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Jianying Bai
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Hongmei Yu
- Department of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Huifang Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Na Xia
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Haifang Liu
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
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Cui Y, Che Y, Wang H. Bergamot essential oil attenuate aluminum-induced anxiety-like behavior through antioxidation, anti-inflammatory and GABA regulation in rats. Food Chem Toxicol 2020; 145:111766. [PMID: 32971212 DOI: 10.1016/j.fct.2020.111766] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/06/2020] [Accepted: 09/17/2020] [Indexed: 02/07/2023]
Abstract
A large number of studies showed that aluminum (Al) has potential neurotoxicity to human and animal bodies. Al-treated animals showed anxiety-like behavior, oxidative stress, neuroinflammation and γ-aminobutyric acid (GABA) changes. Bergamot essential oil (BEO) is a kind of well-known plant extract from the fresh fruit of bergamot. Previous studies suggested that BEO improved mood and relieved symptoms of stress-induced anxiety. This study was designed to study the effects of BEO on anxiety-like behavior, oxidative stress, neuroinflammation and GABA system in aluminum trichloride (AlCl3) treated rats. Results showed that AlCl3 exposure induced anxiety-like behavior in the elevated plus maze and the open field test. Moreover, AlCl3 exposure decreased the level of GABA and the activity of glutathione peroxidase (GPx), catalase (CAT) and superoxide dismutase (SOD) in the hippocampus (HP) and the frontal cortex (FC). In addition, AlCl3 exposure increased the levels of malondialdehyde (MDA) and 8-hydroxy-2'-deoxyguanosine (8-OHdG) and the levels of interleukin-1 beta (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α) in the HP and the FC. To the contrary, co-administration of BEO and AlCl3 improved the anxiety-like behavior, GABA system, oxidative stress and neuroinflammation. These results indicated that BEO can alleviate the anxiety-like behavior of AlCl3-exposed rats through the combined action of antioxidant, anti-inflammatory and GABA regulation.
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Affiliation(s)
- Yonghua Cui
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China; Medical College of Soochow University, Suzhou, 215123, People's Republic of China; School of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China; National Engineering Research Center for Functional Food, Wuxi, 214122, People's Republic of China.
| | - Yi Che
- Medical College of Soochow University, Suzhou, 215123, People's Republic of China
| | - Hongxin Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China; School of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China; National Engineering Research Center for Functional Food, Wuxi, 214122, People's Republic of China.
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Attia H, Albuhayri S, Alaraidh S, Alotaibi A, Yacoub H, Mohamad R, Al-Amin M. Biotin, coenzyme Q10, and their combination ameliorate aluminium chloride-induced Alzheimer's disease via attenuating neuroinflammation and improving brain insulin signaling. J Biochem Mol Toxicol 2020; 34:e22519. [PMID: 32383521 DOI: 10.1002/jbt.22519] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 04/05/2020] [Accepted: 04/23/2020] [Indexed: 12/15/2022]
Abstract
Insulin is important for brain function and neuronal survival. Insulin signaling is initiated by the phosphorylation of insulin receptor substrate-1 (IRS-1) at tyrosine (pTyr) residue. However, IRS-1 is inhibited by phosphorylation at serine (pSer). In Alzheimer's disease (AD), oxidative stress and accumulation of amyloid beta (Aβ) induce neuroinflammation, which augments pSer-IRS-1 and reduces pTyr-IRS-1 disturbing insulin signaling pathway. Coenzyme Q10 (CoQ10) and biotin possess antioxidant and anti-inflammatory properties, and, in this study, their impact on insulin signaling is investigated in an aluminium chloride (AlCl3 ) model of AD. AD was induced by oral administration of AlCl3 (75 mg/kg) for 60 days. Biotin (2 mg/kg), CoQ10 (10 mg/kg), and their combination were supplemented concomitantly with AlCl3 for 60 days. Memory test and histological examination were performed. Brain levels of lipid peroxides, antioxidants (reduced glutathione and superoxide dismutase), inflammatory markers (tumor necrosis factor-α, interleukin-6 [IL-6], IL-1, and nuclear factor κB), and phosphorylated Akt (survival kinase) as well as protein levels of Aβ, IRS-1 (pTyr and pSer), and caspase-3 (apoptotic marker) were determined. AlCl3 resulted in impaired memory, significant increase in Aβ, lipid peroxides, inflammatory markers, caspase-3, and pSer-IRS-1, with significant reduction of the antioxidants, pTyr-IRS-1, and p-Akt reflecting Aβ-induced inflammation and defective insulin signaling. Histological examination revealed focal aggregations of inflammatory cells and neuronal degeneration. The biochemical deviations and histological changes were attenuated by the concomitant treatment with biotin and, to greater extent, with CoQ10 and the combination. In conclusion, biotin and CoQ10 could protect against AD via attenuating inflammatory response and enhancing insulin signaling.
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Affiliation(s)
- Hala Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | | | - Sadeem Alaraidh
- College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Amirah Alotaibi
- College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Hazar Yacoub
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Raeesa Mohamad
- Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Maha Al-Amin
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Pan B, Li Y, Zhang J, Zhou Y, Li L, Xue X, Li H, Niu Q. Role of mGluR 1 in synaptic plasticity impairment induced by maltol aluminium in rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 78:103406. [PMID: 32438325 DOI: 10.1016/j.etap.2020.103406] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 04/27/2020] [Accepted: 04/30/2020] [Indexed: 06/11/2023]
Abstract
The main symptoms of Alzheimer's disease (AD) is the loss of learning and memory ability, of which biological basis is synaptic plasticity. Aluminium has been found to cause changes in synaptic plasticity, but its molecular mechanism was unclear. In this study, Sprague-Dawley rats were injected with aluminium maltol (Al(mal)3) through the lateral ventricle to establish an AD-like model. Y-maze, electrophysiological measurements, Golgi staining, scanning electron microscopy, quantitative real-time polymerase chain reaction, and western blot techniques were used to investigate regulation of the metabolic glutamate receptor 1 (mGluR1) in synaptic plasticity impairment induced by Al(mal)3. The results showed that Al(mal)3 inhibited the induction and maintenance of long-term potentiation in the hippocampal CA1 region. During this process, the expression of mGluR1 was up-regulated and it inhibited the expression and phosphorylation of the N-methyl-D-aspartic acid receptors (NMDARs). This mainly affected NMDAR1 and NMDAR2B but did not affect protein kinase C expression.
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Affiliation(s)
- Baolong Pan
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; General Hospital of Tisco, Sixth Hospital of Shanxi Medical University, Taiyuan 030001,PR China
| | - Yaqin Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China
| | - Jingsi Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China
| | - Yue Zhou
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China
| | - Liang Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China
| | - Xingli Xue
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China
| | - Huan Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China; Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China; Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, China.
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Li H, Xue X, Li L, Li Y, Wang Y, Huang T, Wang Y, Meng H, Pan B, Niu Q. Aluminum-Induced Synaptic Plasticity Impairment via PI3K-Akt-mTOR Signaling Pathway. Neurotox Res 2020; 37:996-1008. [PMID: 31970651 DOI: 10.1007/s12640-020-00165-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 12/17/2019] [Accepted: 01/15/2020] [Indexed: 12/20/2022]
Abstract
Aluminum (Al) is an environmental neurotoxin with extensive exposure by humans, but the molecular mechanism of its toxicity is still unclear. Several studies have indicated that exposure to aluminum can impair learning and memory function. The purpose of this study was to investigate the mechanism of LTP injury and the effect of aluminum exposure on related signal pathways. The results showed that the axonal dendrites of neurons in the hippocampal CA1 area of rats exposed to maltol aluminum showed neuritic beading and the dendritic spines were reduced. This resulted in dose-dependent LTP inhibition and led to impaired learning and memory function in rats. The PI3K-Akt-mTOR pathway may play a crucial role in this process.
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Affiliation(s)
- Huan Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
- Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, Taiyuan, China
| | - Xingli Xue
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Liang Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Yaqin Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Yanni Wang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Tao Huang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Yanhong Wang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Huaxing Meng
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
| | - Baolong Pan
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Xinjian south Road, Taiyuan, Shanxi, People's Republic of China.
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China.
- Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, Taiyuan, China.
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