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Mosalam EM, Abdel-Bar HM, Elberri AI, Abdallah MS, Zidan AAA, Batakoushy HA, Abo Mansour HE. Enhanced neuroprotective effect of verapamil-loaded hyaluronic acid modified carbon quantum dots in an in-vitro model of amyloid-induced Alzheimer's disease. Int J Biol Macromol 2024; 275:133742. [PMID: 38986998 DOI: 10.1016/j.ijbiomac.2024.133742] [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: 12/04/2023] [Revised: 06/27/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
This study aims to investigate the molecular mechanisms and the neuroprotective effect of hyaluronic acid modified verapamil-loaded carbon quantum dots (VRH-loaded HA-CQDs) against an in-vitro Alzheimer's disease model induced by amyloid beta (Aβ) in SH-SY5Y and Neuro 2a neuroblastoma cells. Briefly, different HA-CQDs were prepared using hydrothermal method and optimized by Box-Behnken design to maximize quantum yield and minimize particle size. Serum stable negatively charged VRH-loaded HA-CQDs was successfully prepared by admixing the optimized HA-CQDs and VRH with association efficiency and loading capacity of 81.25 ± 3.65 % and 5.11 ± 0.81 %, respectively. Cells were pretreated with VRH solution or loaded-HA-CQDs followed by exposure to Aβ. Compared to the control group, amyloidosis led to reduction in cellular proliferation, mitochondrial membrane potential, expression of cytochrome P450, cytochrome c oxidase, CREB-regulated transcriptional coactivator 3, and mitotic index, along with marked increase in reactive oxygen species (ROS) and inflammatory cytokines. Pretreatment with VRH, either free or loaded HA-CQDs, enhanced cell survival, mitochondrial membrane potential, mitotic index, and gene expression. It also reduced inflammation and ROS. However, VRH-loaded HA-CQDs exhibited superior effectiveness in the measured parameters. These findings suggest that VRH-loaded HA-CQDs have enhanced therapeutic potential compared to free VRH in mitigating amyloidosis negative features.
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Affiliation(s)
- Esraa M Mosalam
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, 32511 Shebin EL-Kom, Menoufia, Egypt.
| | - Hend Mohamed Abdel-Bar
- Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City (USC), 32897 Sadat City, Egypt.
| | - Aya Ibrahim Elberri
- Genetic Engineering and Molecular Biology Division, Department of Zoology, Faculty of Science, Menoufia University, 32511 Shebin El-Kom, Menoufia, Egypt.
| | - Mahmoud S Abdallah
- Clinical Pharmacy Department, Faculty of Pharmacy, University of Sadat City (USC), 32897 Sadat City, Egypt; Department of Pharm D, Faculty of Pharmacy, Jadara University, Irbid, Jordan.
| | | | - Hany A Batakoushy
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Menoufia University, 32511 Shebin EL-Kom, Menoufia, Egypt.
| | - Hend E Abo Mansour
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, 32511 Shebin EL-Kom, Menoufia, Egypt.
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Mosalam EM, Elberri AI, Abdallah MS, Abdel-Bar HM, Zidan AAA, Batakoushy HA, Abo Mansour HE. Mechanistic Insights of Neuroprotective Efficacy of Verapamil-Loaded Carbon Quantum Dots against LPS-Induced Neurotoxicity in Rats. Int J Mol Sci 2024; 25:7790. [PMID: 39063042 PMCID: PMC11277230 DOI: 10.3390/ijms25147790] [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: 06/15/2024] [Revised: 07/13/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that badly impacts patients and their caregivers. AD is characterized by deposition of amyloid beta (Aβ) and phosphorylated tau protein (pTau) in the brain with underlying neuroinflammation. We aimed to develop a neuroprotective paradigm by loading verapamil (VRH) into hyaluronic acid-modified carbon quantum dots (CQDs) and comparing its effectiveness with the free form in an AD-like model in rats induced by lipopolysaccharide (LPS). The experimental rats were divided into seven groups: control, LPS, CQDs, early free VRH (FVRH), late FVRH, early verapamil carbon quantum dots (VCQDs), and late VCQDs. Characterizations of VCQDs, the behavioral performance of the rats, histopathological and immunohistochemical changes, some AD hallmarks, oxidative stress biomarkers, neuro-affecting genes, and DNA fragmentation were determined. VRH was successfully loaded into CQDs, which was confirmed by the measured parameters. VRH showed enhancement in cognitive functions, disruption to the architecture of the brain, decreased Aβ and pTau, increased antioxidant capacity, modifiable expression of genes, and a decline in DNA fragmentation. The loaded therapy was superior to the free drug. Moreover, the early intervention was better than the late, confirming the implication of the detected molecular targets in the development of AD. VRH showed multifaceted mechanisms in combating LPS-induced neurotoxicity through its anti-inflammatory and antioxidant properties, thereby mitigating the hallmarks of AD. Additionally, the synthesized nanosystem approach exhibited superior neuroprotection owing to the advantages offered by CQDs. However, finding new actionable biomarkers and molecular targets is of decisive importance to improve the outcomes for patients with AD.
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Affiliation(s)
- Esraa M. Mosalam
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, Shebin El-Kom 32511, Menoufia, Egypt;
| | - Aya Ibrahim Elberri
- Genetic Engineering and Molecular Biology Division, Department of Zoology, Faculty of Science, Menoufia University, Shebin El-Kom 32511, Menoufia, Egypt;
| | - Mahmoud S. Abdallah
- Clinical Pharmacy Department, Faculty of Pharmacy, University of Sadat City (USC), Sadat City 32897, Monufia, Egypt
- Department of Pharm D, Faculty of Pharmacy, Jadara University, Irbid 21110, Jordan
| | - Hend Mohamed Abdel-Bar
- Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City (USC), Sadat City 32897, Monufia, Egypt;
| | - Abdel-Aziz A. Zidan
- Zoology Department, Faculty of Science, Damanhur University, Damanhur 22511, Beheira, Egypt;
| | - Hany A. Batakoushy
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Menoufia University, Shebin El-Kom 32511, Menoufia, Egypt;
| | - Hend E. Abo Mansour
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, Shebin El-Kom 32511, Menoufia, Egypt;
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Mishra E, Thakur MK. Vitamin B 12-folic acid supplementation improves memory by altering mitochondrial dynamics, dendritic arborization, and neurodegeneration in old and amnesic male mice. J Nutr Biochem 2024; 124:109536. [PMID: 37981108 DOI: 10.1016/j.jnutbio.2023.109536] [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: 06/25/2023] [Revised: 10/28/2023] [Accepted: 11/15/2023] [Indexed: 11/21/2023]
Abstract
Memory impairment during aging and amnesia is attributed to compromised mitochondrial dynamics and mitophagy and other mitochondrial quality control mechanisms. Mitochondrial dynamics involves the continuous process of fission and fusion of mitochondria within a cell and is a fundamental mechanism for regulating mitochondrial quality and function. An extensive range of potential nutritional supplements has been shown to improve mitochondrial health, synaptic plasticity, and cognitive functions. Previous findings revealed that supplementation of vitamin B12-folic acid reduces locomotor deficits and mitochondrial abnormalities but enhances mitochondrial and neuronal health. The present study aims to explore the impact of combined vitamin B12-folic acid supplementation on mitochondrial dynamics, neuronal health, and memory decline in old age and scopolamine-induced amnesia, which remains elusive. The results demonstrated that supplementation led to a noteworthy increase in recognition and spatial memory and expression of memory-related protein BDNF in old and amnesic mice. Moreover, the decrease in the fragmented mitochondrial number was validated by the downregulation of mitochondrial fission p-Drp1 (S616) protein and the increase in elongated mitochondria by the upregulation of mitochondrial fusion Mfn2 protein. The increased spine density and dendritic arborization in old and amnesic mice upon supplementation were confirmed by the enhanced expression level of PSD95 and synaptophysin. Furthermore, supplementation reduced ROS production, inhibited Caspase-3 activation, mitigated neurodegeneration, and enhanced mitochondrial membrane potential, ATP production, Vdac1 expression, myelination, in old and amnesic mice. Collectively, our findings imply that combined supplementation of vitamin B12-folic acid improves mitochondrial dynamics and neuronal health, and leads to recovery of memory during old age and amnesia.
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Affiliation(s)
- Ela Mishra
- Department of Zoology, Biochemistry and Molecular Biology Laboratory, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi, India.
| | - Mahendra Kumar Thakur
- Department of Zoology, Biochemistry and Molecular Biology Laboratory, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi, India.
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Zavala-Ocampo LM, López-Camacho PY, Aguirre-Hernández E, Cárdenas-Vázquez R, Bonilla-Jaime H, Basurto-Islas G. Neuroprotective effects of Petiveria alliacea on scopolamine-induced learning and memory impairment mouse model. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116881. [PMID: 37460029 DOI: 10.1016/j.jep.2023.116881] [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: 05/18/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023]
Abstract
ETHNOPHARMACOLOGY RELEVANCE Petiveria alliacea L., commonly known as macura and gully root, is an important medicinal plant used in the Caribbean and Central America to treat ailments associated to the central nervous system, including poor memory. AIM OF THE STUDY To assess the effects of the P. alliacea leaves methanol fraction (PMF) on a scopolamine-induced learning and memory impairment mouse model related to acetylcholinesterase activity and oxidative stress. MATERIAL AND METHODS After PMF administration at doses of 500 or 900 mg/kg, cognitive ability was evaluated using the Morris water maze (MWM), Y-maze (YM) and novel object recognition (NOR) tests. The mouse brain tissue was further assessed for acetylcholinesterase activity and antioxidant activity. Levels of oxidative stress were also evaluated by measuring malondialdehyde (MDA) and glutathione activity. Acute toxicity was also evaluated. RESULTS PMF led to memory improvement in the behavioral tests in mice with scopolamine-induced cognitive impairment. Moreover, PMF inhibited acetylcholinesterase activity and showed antioxidant potential that in turn attenuated cholinergic degradation. Additionally, PMF increased glutathione levels and glutathione reductase activity and reduced MDA levels in the brain. Moreover, no acute toxicity was detected with the use of PMF. CONCLUSION In a mouse model of scopolamine-induced cognitive deficit, PMF exhibited protective effects, decreasing oxidative damage and regulating cholinergic function in the brain bearing significant memory enhancing potency. These data suggest that PMF is a promising candidate for developing therapies for neurodegenerative disorders.
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Affiliation(s)
- Lizeth M Zavala-Ocampo
- Doctorado en Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Ciudad de México, Mexico.
| | - Perla Y López-Camacho
- Departamento de Ciencias Naturales, Universidad Autónoma Metropolitana Cuajimalpa, Ciudad de México, Mexico.
| | - Eva Aguirre-Hernández
- Laboratorio de Productos Naturales, Departamento de Ecología y Recursos Naturales, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
| | - René Cárdenas-Vázquez
- Departamento de Biología Celular, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
| | - Herlinda Bonilla-Jaime
- Departamento de Biología de la Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México, Mexico.
| | - Gustavo Basurto-Islas
- División de Ciencias e Ingeniería, Universidad de Guanajuato, León, Guanajuato, Mexico.
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Baracaldo-Santamaría D, Avendaño-Lopez SS, Ariza-Salamanca DF, Rodriguez-Giraldo M, Calderon-Ospina CA, González-Reyes RE, Nava-Mesa MO. Role of Calcium Modulation in the Pathophysiology and Treatment of Alzheimer's Disease. Int J Mol Sci 2023; 24:ijms24109067. [PMID: 37240413 DOI: 10.3390/ijms24109067] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/02/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease and the most frequent cause of progressive dementia in senior adults. It is characterized by memory loss and cognitive impairment secondary to cholinergic dysfunction and N-methyl-D-aspartate (NMDA)-mediated neurotoxicity. Intracellular neurofibrillary tangles, extracellular plaques composed of amyloid-β (Aβ), and selective neurodegeneration are the anatomopathological hallmarks of this disease. The dysregulation of calcium may be present in all the stages of AD, and it is associated with other pathophysiological mechanisms, such as mitochondrial failure, oxidative stress, and chronic neuroinflammation. Although the cytosolic calcium alterations in AD are not completely elucidated, some calcium-permeable channels, transporters, pumps, and receptors have been shown to be involved at the neuronal and glial levels. In particular, the relationship between glutamatergic NMDA receptor (NMDAR) activity and amyloidosis has been widely documented. Other pathophysiological mechanisms involved in calcium dyshomeostasis include the activation of L-type voltage-dependent calcium channels, transient receptor potential channels, and ryanodine receptors, among many others. This review aims to update the calcium-dysregulation mechanisms in AD and discuss targets and molecules with therapeutic potential based on their modulation.
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Affiliation(s)
- Daniela Baracaldo-Santamaría
- Pharmacology Unit, Department of Biomedical Sciences, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia
| | - Sara Sofia Avendaño-Lopez
- Pharmacology Unit, Department of Biomedical Sciences, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia
| | - Daniel Felipe Ariza-Salamanca
- Medical and Health Sciences Education Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia
| | - Mateo Rodriguez-Giraldo
- Grupo de Investigación en Neurociencias (NeURos), Centro de Neurociencias Neurovitae-UR, Instituto de Medicina Traslacional (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá 111221, Colombia
| | - Carlos A Calderon-Ospina
- Pharmacology Unit, Department of Biomedical Sciences, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia
- Grupo de Investigación en Ciencias Biomédicas Aplicadas (UR Biomed), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia
| | - Rodrigo E González-Reyes
- Grupo de Investigación en Neurociencias (NeURos), Centro de Neurociencias Neurovitae-UR, Instituto de Medicina Traslacional (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá 111221, Colombia
| | - Mauricio O Nava-Mesa
- Grupo de Investigación en Neurociencias (NeURos), Centro de Neurociencias Neurovitae-UR, Instituto de Medicina Traslacional (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá 111221, Colombia
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AlGhamdi SA, Al-Abbasi FA, Alghamdi AM, Omer AB, Afzal O, Altamimi ASA, Alamri A, Alzarea SI, Almalki WH, Kazmi I. Barbigerone prevents scopolamine-induced memory impairment in rats by inhibiting oxidative stress and acetylcholinesterase levels. ROYAL SOCIETY OPEN SCIENCE 2023; 10:230013. [PMID: 37063992 PMCID: PMC10090886 DOI: 10.1098/rsos.230013] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
The current study was designed for the evaluation of barbigerone on memory loss. In this experimental study, 24 Wistar rats (n = 6) were used. Control rats and scopolamine (SCOP)-treated control group rats were orally administered with 3 ml of 0.5% sodium carboxymethyl cellulose (vehicle), whereas barbigerone was (10 and 20 mg kg-1) administered orally to the rats from the test group. During the 14-day treatment, control group rats were given 3 ml kg-1 day-1 saline, and all other groups were administered SCOP (1 mg kg-1 day-1, i.p.) 1 h after barbigerone p.o. treatment. The spontaneous alternation activities, learning capacities of a rat's memory were tested with Morris water maze and Y-maze. Reduced glutathione, malondialdehyde, acetylcholine esterase (AChE) and catalase (CAT) levels were measured in rat brain tissue as oxidative stress/antioxidant markers. Moreover, the levels of tumour necrosis factor, interleukin-6 (IL-6) and IL-1β were also estimated. Treatment with barbigerone in SCOP-administered rats dramatically reduced SCOP-induced neurobehavioural deficits, oxidative stress and neuroinflammatory markers, improved endogenous antioxidants, and restored AChE activity. By improving cholinergic function and reducing oxidative damage, barbigerone could mitigate the effects of SCOP-induced changes in the brain.
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Affiliation(s)
- Shareefa A. AlGhamdi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Fahad A. Al-Abbasi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Amira M. Alghamdi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Asma B. Omer
- Department of Basic Health Sciences, Foundation Year for the Health Colleges, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Abdulmalik S. A. Altamimi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Abdulaziz Alamri
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Sami I. Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Aljouf, Sakaka 72341, Saudi Arabia
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Huseby CJ, Delvaux E, Brokaw DL, Coleman PD. Blood RNA transcripts reveal similar and differential alterations in fundamental cellular processes in Alzheimer's disease and other neurodegenerative diseases. Alzheimers Dement 2022. [DOI: 10.1002/alz.12880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/30/2022] [Accepted: 10/21/2022] [Indexed: 12/24/2022]
Affiliation(s)
- Carol J. Huseby
- ASU‐Banner Neurodegenerative Disease Research Center Arizona State University Tempe Arizona USA
| | - Elaine Delvaux
- ASU‐Banner Neurodegenerative Disease Research Center Arizona State University Tempe Arizona USA
| | - Danielle L. Brokaw
- University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA
| | - Paul D. Coleman
- ASU‐Banner Neurodegenerative Disease Research Center Arizona State University Tempe Arizona USA
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Chronotherapeutic neuroprotective effect of verapamil against lipopolysaccharide-induced neuroinflammation in mice through modulation of calcium-dependent genes. Mol Med 2022; 28:139. [DOI: 10.1186/s10020-022-00564-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/31/2022] [Indexed: 11/28/2022] Open
Abstract
Abstract
Background
Neuroinflammation is a major mechanism in neurodegenerative diseases such as Alzheimer’s disease (AD), which is a major healthcare problem. Notwithstanding of ample researches figured out possible molecular mechanisms underlying the pathophysiology of AD, there is no definitive therapeutics that aid in neuroprotection. Therefore, searching for new agents and potential targets is a critical demand. We aimed to investigate the neuroprotective effect of verapamil (VRP) against lipopolysaccharide (LPS)-induced neuroinflammation in mice and whether the time of VRP administration could affect its efficacy.
Methods
Forty male albino mice were used and were divided into normal control, LPS only, morning VRP, and evening VRP. Y-maze and pole climbing test were performed as behavioral tests. Hematoxylin and eosin together with Bielschowsky silver staining were done to visualize neuroinflammation and phosphorylated tau protein (pTAU); respectively. Additionally, the state of mitochondria, the levels of microglia-activation markers, inflammatory cytokines, intracellular Ca2+, pTAU, and Ca2+-dependent genes involving Ca2+/ calmodulin dependent kinase II (CAMKII) isoforms, protein kinase A (PKA), cAMP response element-binding protein (CREB), and brain-derived neurotrophic factor (BDNF), with the level of VRP in the brain tissue were measured.
Results
LPS successfully induced neuroinflammation and hyperphosphorylation of tau protein, which was indicated by elevated levels of microglia markers, inflammatory cytokines, and intracellular Ca2+ with compromised mitochondria and downregulated CAMKII isoforms, PKA, CREB and BDNF. Pretreatment with VRP showed significant enhancement in the architecture of the brain and in the behavioral tests as indicated by the measured parameters. Moreover, morning VRP exhibited better neuroprotective profile compared to the evening therapy.
Conclusions
VRP highlighted a multilevel of neuroprotection through anti-inflammatory activity, Ca2+ blockage, and regulation of Ca2+-dependent genes. Furthermore, chronotherapy of VRP administration should be consider to achieve best therapeutic efficacy.
Graphical Abstract
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Lian B, Gu J, Zhang C, Zou Z, Yu M, Li F, Wu X, Zhao AZ. Protective effects of isofraxidin against scopolamine-induced cognitive and memory impairments in mice involve modulation of the BDNF-CREB-ERK signaling pathway. Metab Brain Dis 2022; 37:2751-2762. [PMID: 35921056 DOI: 10.1007/s11011-022-00980-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/04/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Isofraxidin is a coumarin compound mainly isolated from several traditional and functional edible plants beneficial for neurodegenerative diseases, including Sarcandra glabra and Apium graveolens, and Siberian Ginseng. OBJECTIVE This study aimed to assess effects of isofraxidin against memory impairments and cognition deficits in a scopolamine-induced mouse model. MATERIALS & METHODS Animals were randomly divided into 6 groups, control, vehicle, donepezil (10 mg/kg, p.o.), and isofraxidin (3, 10, and 30 mg/kg, p.o.). Isofraxidin or donepezil was administered for 44 days, once per day. The scopolamine insults (1 mg/kg, i.p.) was given from the 21st day, once per day. Morris water maze test and Y-maze test were used for the behavioral test. After that, brain samples were collected for analysis. RESULTS Firstly, isofraxidin significantly improved scopolamine-induced behavioral impairments and cognition deficits in Morris water maze and Y-maze test. Then, isofraxidin facilitated cholinergic activity via inhibiting acetylcholinesterase (AChE) activity. Besides, isofraxidin decreased lipid peroxidation level but enhanced levels of glutathione, glutathione peroxidase, and superoxide dismutase. Moreover, isofraxidin suppressed the expression of inflammatory mediators and cytokines. Further investigations showed that isofraxidin up-regulated expression of brain-derived neurotrophic factor (BDNF), and promoted phosphorylation of tropomyosin-related kinase B (TrkB), cyclic AMP-response element-binding protein (CREB), and extracellular signal-regulated kinase (ERK). DISCUSSION & CONCLUSIONS These results suggested that isofraxidin ameliorated scopolamine-induced cognitive and memory impairments, possibly through regulating AChE activity, suppressing oxidative stress and inflammatory response, and modulating BDNF-CREB-ERK pathways.
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Affiliation(s)
- Bingliang Lian
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China
| | - Jingwen Gu
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China
| | - Chen Zhang
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China
| | - Zhicong Zou
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Meng Yu
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Fanghong Li
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China
| | - Xiaoli Wu
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China.
| | - Allan Zijian Zhao
- The School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China.
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Bețiu AM, Noveanu L, Hâncu IM, Lascu A, Petrescu L, Maack C, Elmér E, Muntean DM. Mitochondrial Effects of Common Cardiovascular Medications: The Good, the Bad and the Mixed. Int J Mol Sci 2022; 23:13653. [PMID: 36362438 PMCID: PMC9656474 DOI: 10.3390/ijms232113653] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/20/2022] [Accepted: 10/28/2022] [Indexed: 07/25/2023] Open
Abstract
Mitochondria are central organelles in the homeostasis of the cardiovascular system via the integration of several physiological processes, such as ATP generation via oxidative phosphorylation, synthesis/exchange of metabolites, calcium sequestration, reactive oxygen species (ROS) production/buffering and control of cellular survival/death. Mitochondrial impairment has been widely recognized as a central pathomechanism of almost all cardiovascular diseases, rendering these organelles important therapeutic targets. Mitochondrial dysfunction has been reported to occur in the setting of drug-induced toxicity in several tissues and organs, including the heart. Members of the drug classes currently used in the therapeutics of cardiovascular pathologies have been reported to both support and undermine mitochondrial function. For the latter case, mitochondrial toxicity is the consequence of drug interference (direct or off-target effects) with mitochondrial respiration/energy conversion, DNA replication, ROS production and detoxification, cell death signaling and mitochondrial dynamics. The present narrative review aims to summarize the beneficial and deleterious mitochondrial effects of common cardiovascular medications as described in various experimental models and identify those for which evidence for both types of effects is available in the literature.
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Affiliation(s)
- Alina M. Bețiu
- Doctoral School Medicine-Pharmacy, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
- Center for Translational Research and Systems Medicine, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
| | - Lavinia Noveanu
- Department of Functional Sciences—Pathophysiology, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
| | - Iasmina M. Hâncu
- Doctoral School Medicine-Pharmacy, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
- Center for Translational Research and Systems Medicine, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
| | - Ana Lascu
- Center for Translational Research and Systems Medicine, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
- Department of Functional Sciences—Pathophysiology, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
| | - Lucian Petrescu
- Doctoral School Medicine-Pharmacy, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
- Center for Translational Research and Systems Medicine, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
| | - Christoph Maack
- Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, 97078 Würzburg, Germany
- Department of Internal Medicine 1, University Clinic Würzburg, 97078 Würzburg, Germany
| | - Eskil Elmér
- Mitochondrial Medicine, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, BMC A13, 221 84 Lund, Sweden
- Abliva AB, Medicon Village, 223 81 Lund, Sweden
| | - Danina M. Muntean
- Center for Translational Research and Systems Medicine, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
- Department of Functional Sciences—Pathophysiology, “Victor Babeș” University of Medicine and Pharmacy from Timișoara, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania
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11
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Fedotcheva T, Shimanovsky N, Fedotcheva N. Involvement of Multidrug Resistance Modulators in the Regulation of the Mitochondrial Permeability Transition Pore. MEMBRANES 2022; 12:membranes12090890. [PMID: 36135908 PMCID: PMC9502193 DOI: 10.3390/membranes12090890] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/11/2022] [Accepted: 09/14/2022] [Indexed: 05/12/2023]
Abstract
The permeability transition pore in mitochondria (MPTP) and the ATP-binding cassette transporters (АВС transporters) in cell membranes provide the efflux of low-molecular compounds across mitochondrial and cell membranes, respectively. The inhibition of ABC transporters, especially of those related to multi drug resistance (MDR) proteins, is an actively explored approach to enhance intracellular drug accumulation and increase thereby the efficiency of anticancer therapy. Although there is evidence showing the simultaneous effect of some inhibitors on both MDR-related proteins and mitochondrial functions, their influence on MPTP has not been previously studied. We examined the participation of verapamil and quinidine, classified now as the first generation of MDR modulators, and avermectin, which has recently been actively studied as an MDR inhibitor, in the regulation of the MPTP opening. In experiments on rat liver mitochondria, we found that quinidine lowered and verapamil increased the threshold concentrations of calcium ions required for MPTP opening, and that they both decreased the rate of calcium-induced swelling of mitochondria. These effects may be associated with the positive charge of the drugs and their aliphatic properties. Avermectin not only decreased the threshold concentration of calcium ions, but also by itself induced the opening of MPTP and the mitochondrial swelling inhibited by ADP and activated by carboxyatractyloside, the substrate and inhibitor of adenine nucleotide translocase (ANT), which suggests the involvement of ANT in the process. Thus, these data indicate an additional opportunity to evaluate the effectiveness of MDR modulators in the context of their influence on the mitochondrial-dependent apoptosis.
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Affiliation(s)
- Tatiana Fedotcheva
- Science Research Laboratory of Molecular Pharmacology, Medical Biological Faculty, Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Ostrovityanova St. 1, Moscow 117997, Russia
| | - Nikolai Shimanovsky
- Science Research Laboratory of Molecular Pharmacology, Medical Biological Faculty, Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Ostrovityanova St. 1, Moscow 117997, Russia
| | - Nadezhda Fedotcheva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya St. 3, Pushchino 142290, Russia
- Correspondence:
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12
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Zhai Z, Xie D, Qin T, Zhong Y, Xu Y, Sun T. Effect and Mechanism of Exogenous Melatonin on Cognitive Deficits in Animal Models of Alzheimer's Disease: A Systematic review and Meta-analysis. Neuroscience 2022; 505:91-110. [PMID: 36116555 DOI: 10.1016/j.neuroscience.2022.09.012] [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: 06/14/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 12/09/2022]
Abstract
Melatonin (MT) has been reported to control and prevent Alzheimer's disease (AD) in the clinic; however, the effect and mechanism of MT on AD have not been specifically described. Therefore, the main purpose of this meta-analysis was to explore the effect and mechanism of MT on AD models by studying behavioural indicators and pathological features. Seven databases were searched and 583 articles were retrieved. Finally, nine studies (13 analyses, 294 animals) were included according to pre-set criteria. Three authors independently judged the selected literature and the methodological quality. Meta-analysis showed that MT markedly ameliorated the learning ability by reducing the escape latency (EL), and the memory deficit was significantly corrected by increasing the dwell time in the target quadrant and crossings over the platform location in the Morris Water Maze (MWM). Among the pathological features, subgroup analysis found that MT may ease the symptoms of AD mainly by reducing the deposition of Aβ40 and Aβ42 in the cortex. In addition, MT exerted a superior effect on ameliorating the learning ability of senescence-related and metabolic AD models, and corrected the memory deficit of the toxin-induced AD model. The study was registered at PROSPERO (CRD42021226594).
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Affiliation(s)
- Zhenwei Zhai
- School of Medical Information Engineering, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Danni Xie
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Tao Qin
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Yanmei Zhong
- School of Medical Information Engineering, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Ying Xu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China.
| | - Tao Sun
- School of Medical Information Engineering, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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13
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Ahmed HA, Ishrat T. Repurposing verapamil for prevention of cognitive decline in sporadic Alzheimer's disease. Neural Regen Res 2021; 17:1018-1019. [PMID: 34558527 PMCID: PMC8552840 DOI: 10.4103/1673-5374.324843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Heba A Ahmed
- Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Tauheed Ishrat
- Department of Anatomy and Neurobiology; Pharmaceutical Sciences, Neuroscience Institute, University of Tennessee Health Science Center, Memphis, TN, USA
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14
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Ahmed HA, Ismael S, Mirzahosseini G, Ishrat T. Verapamil Prevents Development of Cognitive Impairment in an Aged Mouse Model of Sporadic Alzheimer's Disease. Mol Neurobiol 2021; 58:3374-3387. [PMID: 33704677 DOI: 10.1007/s12035-021-02350-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/04/2021] [Indexed: 12/20/2022]
Abstract
Currently, dementia is the only leading cause of death that is still on the rise, with total costs already exceeding those of cancer and heart disease and projected to increase even further in the coming years. Unfortunately, there are no satisfactory treatments and attempts to develop novel, more effective treatments have been extremely costly, albeit unsuccessful thus far. This has led us to investigate the use of established drugs, licensed for other therapeutic indications, for their potential application in cognitive disorders. This strategy, referred to as "drug repositioning," has been successful in many other areas including cancer and cardiovascular diseases. To our knowledge, this is the first study to investigate the effects of long-term treatment with verapamil, a calcium channel blocker commonly prescribed for various cardiovascular conditions and recently applied for prevention of cluster headaches, on the development of cognitive impairment in aged animals. Verapamil was studied at a low dose (1mg/kg/d) in a mouse model of sporadic Alzheimer's disease (sAD). Oral treatment with verapamil or vehicle was started, 24 h post-intracerebroventricular (ICV) streptozotocin/(STZ), in 12-month-old animals and continued for 3 months. Cognitive function was assessed using established tests for spatial learning, short-term/working memory, and long-term/reference memory. Our findings demonstrate that long-term low-dose verapamil effectively prevents development of ICV/STZ-induced cognitive impairment. It mitigates the astrogliosis and synaptic toxicity otherwise induced by ICV/STZ in the hippocampus of aged animals. These findings indicate that long-term, low-dose verapamil may delay progression of sAD in susceptible subjects of advanced age.
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Affiliation(s)
- Heba A Ahmed
- Department of Anatomy and Neurobiology, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Saifudeen Ismael
- Department of Anatomy and Neurobiology, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Golnoush Mirzahosseini
- Pharmaceutical Sciences, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Tauheed Ishrat
- Department of Anatomy and Neurobiology, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
- Pharmaceutical Sciences, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
- Neuroscience Institute, University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
- College of Medicine, Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-231, Memphis, TN, 38163, USA.
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15
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Cheon SY, Koo BN, Kim SY, Kam EH, Nam J, Kim EJ. Scopolamine promotes neuroinflammation and delirium-like neuropsychiatric disorder in mice. Sci Rep 2021; 11:8376. [PMID: 33863952 PMCID: PMC8052461 DOI: 10.1038/s41598-021-87790-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 04/05/2021] [Indexed: 01/13/2023] Open
Abstract
Postoperative delirium is a common neuropsychiatric syndrome resulting a high postsurgical mortality rate and decline in postdischarge function. Extensive research has been performed on both human and animal delirium-like models due to their clinical significance, focusing on systematic inflammation and consequent neuroinflammation playing a key role in the pathogenesis of postoperative cognitive dysfunctions. Since animal models are widely utilized for pathophysiological study of neuropsychiatric disorders, this study aimed at examining the validity of the scopolamine-induced delirium-like mice model with respect to the neuroinflammatory hypothesis of delirium. Male C57BL/6 mice were treated with intraperitoneal scopolamine (2 mg/kg). Neurobehavioral tests were performed to evaluate the changes in cognitive functions, including learning and memory, and the level of anxiety after surgery or scopolamine treatment. The levels of pro-inflammatory cytokines (IL-1β, IL-18, and TNF-α) and inflammasome components (NLRP3, ASC, and caspase-1) in different brain regions were measured. Gene expression profiles were also examined using whole-genome RNA sequencing analyses to compare gene expression patterns of different mice models. Scopolamine treatment showed significant increase in the level of anxiety and impairments in memory and cognitive function associated with increased level of pro-inflammatory cytokines and NLRP3 inflammasome components. Genetic analysis confirmed the different expression patterns of genes involved in immune response and inflammation and those related with the development of the nervous system in both surgery and scopolamine-induced mice models. The scopolamine-induced delirium-like mice model successfully showed that analogous neuropsychiatric changes coincides with the neuroinflammatory hypothesis for pathogenesis of delirium.
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Affiliation(s)
- So Yeong Cheon
- Department of Biotechnology, College of Biomedical and Health Science, Konkuk University, Chungju, Republic of Korea
| | - Bon-Nyeo Koo
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - So Yeon Kim
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Eun Hee Kam
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Junhyun Nam
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Eun Jung Kim
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea. .,Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea.
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16
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Adedayo BC, Jesubowale OS, Adebayo AA, Oboh G. Effect of Andrographis paniculata leaves extract on neurobehavioral and biochemical indices in scopolamine-induced amnesic rats. J Food Biochem 2020; 45:e13280. [PMID: 32441354 DOI: 10.1111/jfbc.13280] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/23/2020] [Accepted: 04/24/2020] [Indexed: 12/13/2022]
Abstract
Andrographis paniculata is a medicinal herb that is used to treat various disease conditions due to its pharmacological properties. Thus, this study sought to assess the effect of A. paniculata extract on neurobehavioral and some biochemical parameters in scopolamine-induced amnesic rats. Thirty-five male rats were divided into seven groups and treated with aqueous extract of A. paniculata (50 and 500 mg/kg) and donepezil (5 mg/kg) for 14 days before administration of scopolamine. Behavioral studies (Morris water maze and Y-maze) were carried out to evaluate cognitive dysfunction in scopolamine-induced rats. Biochemical assays such as cholinesterases (AChE and BChE), monoamine oxidase (MAO), and purinergic activities were determined. Results revealed the presence of orientin, quercetin, caffeic acid, apigenin, and gallic acid in A. paniculata. Also, findings from this study showed that aqueous extract of A. paniculata had a modulatory effect on scopolamine-induced cognitive impairment and could be used in the management of memory loss. PRACTICAL APPLICATIONS: Aqueous extract of A. paniculata characterized revealed the presence of polyphenols which are antioxidants. The inhibitory activity possessed by A. paniculata on some enzymes linked to neurodegeneration could be due to the antioxidant activity. Given this, we recommend that results gotten from this study could be used to develop treatment therapy for neurodegeneration. However, in-depth studies should be carried out on the toxic effect of A. paniculata to ascertain a safe dose for treatment.
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Affiliation(s)
- Bukola Christiana Adedayo
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Oluwapelumi S Jesubowale
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Adeniyi Abiodun Adebayo
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria.,Department of Chemical Sciences (Biochemistry Option), Joseph Ayo Babalola University, Ikeji-Arakeji, Nigeria
| | - Ganiyu Oboh
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
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17
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Popović N, Morales-Delgado N, Vidal Mena D, Alonso A, Pascual Martínez M, Caballero Bleda M, Popović M. Verapamil and Alzheimer's Disease: Past, Present, and Future. Front Pharmacol 2020; 11:562. [PMID: 32431612 PMCID: PMC7214748 DOI: 10.3389/fphar.2020.00562] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/14/2020] [Indexed: 12/18/2022] Open
Abstract
Verapamil is a phenylalkylamine class calcium channel blocker that for half a century has been used for the treatment of cardiovascular diseases. Nowadays, verapamil is also considered as a drug option for the treatment of several neurological and psychiatric disorders, such as cluster headache, bipolar disorders, epilepsy, and neurodegenerative diseases. Here, we review insights into the potential preventive and therapeutic role of verapamil on Alzheimer’s disease (AD) based on limited experimental and clinical data. Pharmacological studies have shown that verapamil has a wide therapeutic spectrum, including antihypertensive, anti-inflammatory, and antioxidative effects, regulation of the blood-brain barrier function, due to its effect on P-glycoprotein, as well as adjustment of cellular calcium homeostasis, which may result in the delay of AD onset or ameliorate the symptoms of patients. However, the majority of the AD individuals are on polypharmacotherapy, and the interactions between verapamil and other drugs need to be considered. Therefore, for an appropriate and successful AD treatment, a personalized approach is more than necessary. A well-known narrow pharmacological window of verapamil efficacy may hinder this approach. It is therefore important to note that the verapamil efficacy may be conditioned by different factors. The onset, grade, and brain distribution of AD pathological hallmarks, the time-sequential appearances of AD-related cognitive and behavioral dysfunction, the chronobiologic and gender impact on calcium homeostasis and AD pathogenesis may somehow be influencing that success. In the future, such insights will be crucial for testing the validity of verapamil treatment on animal models of AD and clinical approaches.
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Affiliation(s)
- Natalija Popović
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute of Biomedical Research of Murcia (IMIB), Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Nicanor Morales-Delgado
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute of Biomedical Research of Murcia (IMIB), Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain.,Department of Histology and Anatomy, Faculty of Medicine, University of Miguel Hernández, Sant Joan Alacant, Spain
| | - David Vidal Mena
- Neurological Unit, University Hospital "Santa Lucia", Cartagena, Spain
| | - Antonia Alonso
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute of Biomedical Research of Murcia (IMIB), Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | | | - María Caballero Bleda
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute of Biomedical Research of Murcia (IMIB), Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Miroljub Popović
- Department of Human Anatomy and Psychobiology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Institute of Biomedical Research of Murcia (IMIB), Virgen de la Arrixaca University Hospital, University of Murcia, Murcia, Spain
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