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Tandean S, Japardi I, Rusda M, Indharty RS, Lelo A, Aman RA, Amin MM, Siahaan AMP, Eyanoer PC, D’Prinzessin CA, Lesmana R, Popova M, Trusheva B, Bankova V, Zulhendri F. Chemical Composition and Neuroprotective Properties of Indonesian Stingless Bee ( Geniotrigona thoracica) Propolis Extract in an In-Vivo Model of Intracerebral Hemorrhage (ICH). Nutrients 2024; 16:1880. [PMID: 38931235 PMCID: PMC11206540 DOI: 10.3390/nu16121880] [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: 04/10/2024] [Revised: 06/04/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024] Open
Abstract
Stroke is the world's second-leading cause of death. Current treatments for cerebral edema following intracerebral hemorrhage (ICH) mainly involve hyperosmolar fluids, but this approach is often inadequate. Propolis, known for its various beneficial properties, especially antioxidant and anti-inflammatory properties, could potentially act as an adjunctive therapy and help alleviate stroke-associated injuries. The chemical composition of Geniotrigona thoracica propolis extract was analyzed by GC-MS after derivatization for its total phenolic and total flavonoid content. The total phenolic content and total flavonoid content of the propolis extract were 1037.31 ± 24.10 μg GAE/mL and 374.02 ± 3.36 μg QE/mL, respectively. By GC-MS analysis, its major constituents were found to be triterpenoids (22.4% of TIC). Minor compounds, such as phenolic lipids (6.7% of TIC, GC-MS) and diterpenic acids (2.3% of TIC, GC-MS), were also found. Ninety-six Sprague Dawley rats were divided into six groups; namely, the control group, the ICH group, and four ICH groups that received the following therapies: mannitol, propolis extract (daily oral propolis administration after the ICH induction), propolis-M (propolis and mannitol), and propolis-B+A (daily oral propolis administration 7 days prior to and 72 h after the ICH induction). Neurocognitive functions of the rats were analyzed using the rotarod challenge and Morris water maze. In addition, the expression of NF-κB, SUR1-TRPM4, MMP-9, and Aquaporin-4 was analyzed using immunohistochemical methods. A TUNEL assay was used to assess the percentage of apoptotic cells. Mannitol significantly improved cognitive-motor functions in the ICH group, evidenced by improved rotarod and Morris water maze completion times, and lowered SUR-1 and Aquaporin-4 levels. It also significantly decreased cerebral edema by day 3. Similarly, propolis treatments (propolis-A and propolis-B+A) showed comparable improvements in these tests and reduced edema. Moreover, combining propolis with mannitol (propolis-M) further enhanced these effects, particularly in reducing edema and the Virchow-Robin space. These findings highlight the potential of propolis from the Indonesian stingless bee, Geniotrigona thoracica, from the Central Tapanuli region as a neuroprotective, adjunctive therapy.
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Affiliation(s)
- Steven Tandean
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Department of Neurosurgery, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Iskandar Japardi
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
| | - Muhammad Rusda
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Rr Suzy Indharty
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Department of Neurosurgery, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Aznan Lelo
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Renindra Ananda Aman
- Department of Neurosurgery, Faculty of Medicine, Universitas Indonesia, Cipto Mangunkusumo National General Hospital, Jakarta 10430, Indonesia;
| | - Mustafa Mahmud Amin
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Department of Psychiatry, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Andre Marolop Pangihutan Siahaan
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Department of Neurosurgery, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Putri Chairani Eyanoer
- Philosophy Doctor in Medicine Programme, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia; (S.T.); (M.R.); (R.S.I.); (A.L.); (M.M.A.); (A.M.P.S.); (P.C.E.)
- Department of Community and Preventive Medicine, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia
| | - Celine Augla D’Prinzessin
- Undergraduate Program in Medicine, Faculty of Medicine, Universitas Sumatera Utara, Medan 20155, Indonesia;
| | - Ronny Lesmana
- Physiology Division, Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Kabupaten Sumedang, West Java 45363, Indonesia;
| | - Milena Popova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (M.P.); (B.T.); (V.B.)
| | - Boryana Trusheva
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (M.P.); (B.T.); (V.B.)
| | - Vassya Bankova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (M.P.); (B.T.); (V.B.)
| | - Felix Zulhendri
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Padjadjaran, Kabupaten Sumedang, Jawa Barat 45363, Indonesia
- Kebun Efi, Kabupaten Karo, Sumatera Utara 22171, Indonesia
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Zulhendri F, Perera CO, Tandean S. Can Propolis Be a Useful Adjuvant in Brain and Neurological Disorders and Injuries? A Systematic Scoping Review of the Latest Experimental Evidence. Biomedicines 2021; 9:1227. [PMID: 34572413 PMCID: PMC8470086 DOI: 10.3390/biomedicines9091227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/12/2021] [Accepted: 09/14/2021] [Indexed: 11/29/2022] Open
Abstract
Propolis has been used therapeutically for centuries. In recent years, research has demonstrated its efficacy as a potential raw material for pharmaceuticals and nutraceuticals. The aim of the present scoping review is to examine the latest experimental evidence regarding the potential use of propolis in protecting the brain and treating neurological disorders and injuries. A systematic scoping review methodology was implemented. Identification of the research themes and knowledge gap was performed. After applying the exclusion criteria, a total of 66 research publications were identified and retrieved from Scopus, Web of Science, Pubmed, and Google Scholar. Several key themes where propolis is potentially useful were subsequently identified, namely detoxification, neuroinflammation, ischemia/ischemia-reperfusion injury/traumatic brain injury, Alzheimer's disease, Parkinson's disease, and epilepsy models, depression, cytotoxicity, cognitive improvement, regenerative medicine, brain infection, and adverse effects. In conclusion, propolis is shown to have protective and therapeutic benefits in alleviating symptoms of brain and neurological disorders and injuries, demonstrated by various in vitro studies, animal models, and human clinical trials. Further clinical research into this area is needed.
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Affiliation(s)
| | - Conrad O Perera
- Food Science Program, School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland CBD, Auckland 1010, New Zealand
| | - Steven Tandean
- Department of Neurosurgery, Faculty of Medicine, Universitas Sumatera Utara, Medan 20222, Sumatera Utara, Indonesia
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Ali AA, Kamal MM, Khalil MG, Ali SA, Elariny HA, Bekhit A, Wahid A. Behavioral, Biochemical and Histopathological effects of Standardised Pomegranate extract with Vinpocetine, Propolis or Cocoa in a rat model of Parkinson's disease. Exp Aging Res 2021; 48:191-210. [PMID: 34384037 DOI: 10.1080/0361073x.2021.1959823] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Parkinsonism is a neurodegenerative disorder. Pomegranate (POM) has been previously shown to have a dopaminergic neuroprotective effect against parkinsonism. OBJECTIVE The aim of the current study is to investigate the possible effect of POM in combination with each of vinpocetine, propolis, or cocoa in the treatment of parkinsonism disease even without being given as adjuvant to L-dopa . METHODS Rats were divided into seven groups, one normal and six RT model groups. One of the RT groups (2.5 mg/kg/48 h/10 doses sc), for 20 days served as non-treated parkinsonism model, whereas the others were treated with either L-dopa (10 mg/kg, p.o./day) or with POM (150 mg/kg, p.o./day) together with each of the following; vinpocetine (VIN) (20 mg/kg, p.o./day), propolis (300 mg/kg, p.o./day), cocoa (24 mg/kg, p.o./day). Motor and cognitive performances were examined using four tests (catalepsy, swimming, Y-maze, open field). Striatal dopamine, norepinephrine, serotonin, GABA, glutamate, acetylcholinesterase, GSK-3β, BDNF levels were assessed as well as MDA, SOD, TAC, IL-1β, TNF-α, iNOs, and caspase-3. Also, histopathological examinations of different brain regions were determined. RESULTS Treatment with L-dopa alone or with all POM combination groups alleviated the deficits in locomotor activities, cognition, neurotransmitter levels, acetylcholinesterase activity, oxidative stress, and inflammatory markers as well as caspase-3 expression induced by RT. CONCLUSION Combinations of POM with each of VIN, propolis, or cocoa have a promising disease-modifying antiparkinsonian therapy even without being given as an adjuvant to L-dopa.
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Affiliation(s)
- Azza A Ali
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Mona M Kamal
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Mona G Khalil
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Modern University for Technology and Information, Cairo, Egypt
| | - Shimaa A Ali
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Hemat A Elariny
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Amany Bekhit
- Biochemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Ahmed Wahid
- Pharmaceutical Biochemistry Department, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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Mehrabani M, Nematollahi MH, Tarzi ME, Juybari KB, Abolhassani M, Sharifi AM, Paseban H, Saravani M, Mirzamohammadi S. Protective effect of hydralazine on a cellular model of Parkinson’s disease: a possible role of hypoxia-inducible factor (HIF)-1α. Biochem Cell Biol 2020; 98:405-414. [DOI: 10.1139/bcb-2019-0117] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disease accompanied by a low expression level of cerebral hypoxia-inducible factor (HIF-1α). Hence, activating the hypoxia-signaling pathway may be a favorable therapeutic approach for curing PD. This study explored the efficacy of hydralazine, a well-known antihypertensive agent, for restoring the impaired HIF-1 signaling in PD, with the aid of 6-hydroxydopamine (6-OHDA)-exposed SH-SY5Y cells. The cytotoxicity of hydralazine and 6-OHDA on the SH-SY5Y cells were evaluated by MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] and apoptosis detection assays. The activities of malondialdehyde, nitric oxide (NO), ferric reducing antioxidant power (FRAP), and superoxide dismutase (SOD) were also measured. Expression levels of HIF-1α and its downstream genes at the protein level were assessed by Western blotting. Hydralazine showed no toxic effects on SH-SY5Y cells, at the concentration of ≤50 μmol/L. Hydralazine decreased the levels of apoptosis, malondialdehyde, and NO, and increased the activities of FRAP and SOD in cells exposed to 6-OHDA. Furthermore, hydralazine up-regulated the protein expression levels of HIF-1α, vascular endothelial growth factor, tyrosine hydroxylase, and dopamine transporter in the cells also exposed to 6-OHDA, by comparison with the cells exposed to 6-OHDA alone. In summary, hydralazine priming could attenuate the deleterious effects of 6-OHDA on SH-SY5Y cells by increasing cellular antioxidant capacity, as well as the protein levels of HIF-1α and its downstream target genes.
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Affiliation(s)
- Mehrnaz Mehrabani
- Physiology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Hadi Nematollahi
- Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
- Department of Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mojde Esmaeili Tarzi
- Cardiovascular research center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Kobra Bahrampour Juybari
- Department of Pharmacology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Moslem Abolhassani
- Department of Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Student Research Committee, Kerman University Medical Sciences, Kerman, Iran
| | - Ali Mohammad Sharifi
- Department of Pharmacology and Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hamze Paseban
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohsen Saravani
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
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Abdel-Rahman RF, Alqasoumi SI, Ogaly HA, Abd-Elsalam RM, El-Banna HA, Soliman GA. Propolis ameliorates cerebral injury in focal cerebral ischemia/reperfusion (I/R) rat model via upregulation of TGF-β1. Saudi Pharm J 2019; 28:116-126. [PMID: 31920438 PMCID: PMC6950965 DOI: 10.1016/j.jsps.2019.11.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 11/29/2019] [Indexed: 12/12/2022] Open
Abstract
Neuroprotective impact of transforming growth factor β1 (TGF-β1) is increasingly recognized in different brain injuries. Propolis exhibits a broad spectrum of biological and pharmacological properties including neuroprotective action. The objective of the investigation was to explore the involvement of TGF-β1 signaling in the neuroprotective mechanism of propolis in I/R rats. In this study, focal cerebral ischemia model was built by middle cerebral artery occlusion (MCAO) for 2 h followed by reperfusion. The investigation was carried out on 48 rats that were arranged into four groups (n = 12): the sham group, I/R control group, I/R + propolis (50 mg/kg) group and I/R + propolis (100 mg/kg) group. The results revealed that propolis preserved rats against neuronal injury induced by cerebral I/R. It significantly reduced neurological deficit scores and improved motor coordination and locomotor activity in I/R rats. Propolis antagonized the damage induced by cerebral I/R through suppression of malondialdehyde (MDA) and elevation of reduced glutathione (GSH), superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT), brain-derived neurotropic factor (BDNF) and dopamine levels in the brain homogenates of I/R rats. Other ameliorations were also observed based on reduction of neurodegeneration and histological alterations in the brain tissues. These results also proposed that the neuroprotective effect of propolis might be related to upregulation of TGF-β1 and suppressed matrix metallopeptidase-9 (MMP9) mRNA expression.
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Affiliation(s)
| | - Saleh I Alqasoumi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Hanan A Ogaly
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia.,Department of Biochemistry, College of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Reham M Abd-Elsalam
- Department of Pathology, College of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Hossny A El-Banna
- Department of Pharmacology, College of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Gamal A Soliman
- Department of Pharmacology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.,Department of Pharmacology, College of Veterinary Medicine, Cairo University, Giza, Egypt
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Zeitoun R, Najjar F, Wehbi B, Khalil A, Fayyad-Kazan M, Dagher-Hamalian C, Faour WH, El-Makhour Y. Chemical Composition, Antioxidant and Anti-inflammatory Activity Evaluation of the Lebanese Propolis Extract. Curr Pharm Biotechnol 2019; 20:84-96. [DOI: 10.2174/1389201020666190206201241] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/14/2018] [Accepted: 01/19/2019] [Indexed: 12/24/2022]
Abstract
Background:
Propolis is a resinous substance produced by bees and known to possess antioxidant,
antimicrobial, antiproliferative and anti-inflammatory activities.
Objective:
This study is aimed at evaluating the in vivo and in vitro anti-inflammatory potential of the
Crude Ethanolic Extract (CE) of Lebanese propolis and its Ethyl Acetate Fraction (EAF).
Method:
Chemical content of propolis was characterized using high-performance liquid chromatography
and LC-MS/MS. COX-2 and iNOS protein expression, nitric oxide (NO) and prostaglandin
(PGE2) release in LPS-activated RAW monocytes were achieved respectively by western blot and
spectrophotometry. Antioxidant activity was evaluated by DPPH free radical scavenging assay. Measurement
of paw thickness in carrageenan-induced paw edema in mice and pathologic assessment of inflammation
in paw sections were used to judge the anti-inflammatory properties of propolis.
Results:
Pathology analysis revealed in the treated group significant reduction of immune cell infiltration
and edema. Both extract and ethyl acetate fraction showed significant anti-inflammatory and antioxidant
effects in LPS-treated RAW cells characterized by the inhibition of COX-2 and iNOS protein
expression, as well as PGE2 and NO release. Chemical analysis of the crude extract and its ethyl acetate
fraction identified 28 different compounds of which two phenolic acids and nine other flavonoids
were also quantified. Ferulic acid, caffeic acid, chrysin, galangin, quercetin, and pinocembrin were
among the most representative compounds.
Conclusion:
Lebanese propolis is rich in a various amount of flavonoids which showed promising antiinflammatory
and antioxidant properties. Additionally, chemical analysis showed unique chemical
compositions with the potential of identifying ingredients with interesting anti-inflammatory activities.
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Affiliation(s)
- Rawan Zeitoun
- Environmental Health Research Lab (EHRL), Faculty of Sciences V, Lebanese University, Nabatieh, Lebanon
| | - Fadia Najjar
- Laboratoire d'Innovation Therapeutique, Department of Chemistry and Biochemistry, Faculty of Sciences II, Lebanese University, Fanar, Lebanon
| | - Batoul Wehbi
- Faculty of Sciences I, Hadath Lebanese University, Beirut, Lebanon
| | - Alia Khalil
- Laboratory of Experimental Medicine (ULB Unit), CHU de Charleroi, A. Vesale Hospital, Universite Libre de Bruxelles, Montigny le Tilleul, Belgium
| | - Mohammad Fayyad-Kazan
- Institut de Biologie et de Medecine Moleculaires, Universite Libre de Bruxelles, 6041 Gosselies, Belgium
| | | | - Wissam H. Faour
- School of Medicine, Lebanese American University, Byblos, Lebanon
| | - Yolla El-Makhour
- Environmental Health Research Lab (EHRL), Faculty of Sciences V, Lebanese University, Nabatieh, Lebanon
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Arabameri A, Sameni H, Bandegi A. The effects of propolis extract on ovarian tissue and oxidative stress in rats with maternal separation stress. Int J Reprod Biomed 2017. [DOI: 10.29252/ijrm.15.8.509] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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Souza RB, Frota AF, Sousa RS, Cezario NA, Santos TB, Souza LMF, Coura CO, Monteiro VS, Cristino Filho G, Vasconcelos SMM, da Cunha RMS, Aguiar LMV, Benevides NMB. Neuroprotective Effects of Sulphated Agaran from Marine Alga Gracilaria cornea in Rat 6-Hydroxydopamine Parkinson's Disease Model: Behavioural, Neurochemical and Transcriptional Alterations. Basic Clin Pharmacol Toxicol 2016; 120:159-170. [PMID: 27612165 DOI: 10.1111/bcpt.12669] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 08/31/2016] [Indexed: 02/06/2023]
Abstract
Parkinson's disease (PD) is a multifactorial disease associated with the degeneration of dopaminergic neurons and behavioural alterations. Natural bioactive compounds may provide new therapeutic alternatives for neurodegenerative disorders, such as PD. The sulphated polysaccharides isolated from marine algae are heterogenic molecules that show different biological activities. The red marine alga Gracilaria cornea has a sulphated polysaccharide (SA-Gc) with structure and anti-inflammatory and antinociceptive activities reported in the literature. Therefore, this study aimed to evaluate the neuroprotective effects of SA-Gc in rat model PD induced by 6-hydroxydopamine (6-OHDA). Firstly, we established the PD model in rats, induced by an intrastriatal injection (int.) of 6-OHDA, followed by a single administration of SA-Gc (15, 30 or 60 μg; int.). On the 14th day, behavioural tests were performed. After killing, brain areas were dissected and used for neurochemical and/or transcriptional analyses. The results showed that SA-Gc (60 μg, int.) promoted neuroprotective effects in vivo through reducing the oxidative/nitroactive stress and through alterations in the monoamine contents induced by 6-OHDA. Furthermore, SA-Gc modulated the transcription of neuroprotective and inflammatory genes, as well as returning behavioural activities and weight gain to normal conditions. Thus, this study reports the neuroprotective effects of SA-Gc against 6-OHDA in rats.
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Affiliation(s)
- Ricardo Basto Souza
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | | | | | | | | | - Chistiane Oliveira Coura
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Valdécio Silvano Monteiro
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
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Sameni HR, Ramhormozi P, Bandegi AR, Taherian AA, Mirmohammadkhani M, Safari M. Effects of ethanol extract of propolis on histopathological changes and anti-oxidant defense of kidney in a rat model for type 1 diabetes mellitus. J Diabetes Investig 2016; 7:506-13. [PMID: 27181714 PMCID: PMC4931200 DOI: 10.1111/jdi.12459] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 11/23/2015] [Accepted: 12/03/2015] [Indexed: 12/11/2022] Open
Abstract
Aims/Introduction Oxidative stress has a key role in the pathogenesis of diabetes. Propolis and its constituents have a wide range of medicinal properties against oxidative stress. In the present study, we evaluated the anti‐oxidant effects of ethanolic extracts of propolis on kidneys in diabetes mellitus rats. Materials and Methods A total of 40 male Wistar rats were randomly divided into the following five groups: control, diabetes mellitus, diabetes mellitus with vehicle treatment, diabetes mellitus with propolis treatment (100 mg/kg) and diabetes mellitus with propolis treatment (200 mg/kg). Diabetes mellitus in rats was induced by intraperitoneal injection of streptozotocin (60 mg/kg). Diabetic groups were treated with vehicle or ethanolic extracts of Iranian propolis for 6 weeks. Serum concentration of malondialdehyde, superoxide dismutase and glutathione peroxidase were measured. Results The results showed that Iranian propolis significantly inhibited bodyweight loss in diabetes mellitus rats. The propolis extracts significantly reduced serum glucose levels and kidney weight in diabetes mellitus rats (P < 0.001). Furthermore, propolis extracts significantly reduced the malondialdehyde content, and increased the activity of superoxide dismutase and glutathione peroxidase (P < 0.001) along with the total anti‐oxidant activity in the kidney tissue of diabetes mellitus rats. In the kidneys of the diabetes mellitus and vehicle group, the glomerular basement membrane thickness and glomerular area were significantly increased. Treatment of diabetes mellitus rats with the propolis extract significantly reduced the glomerular basement membrane thickness and glomerular area. Conclusions The present study results showed that the Iranian propolis extract could enhance the anti‐oxidant levels and histopathological changes in the kidneys of rats. The final results showed that most of the favorable effects of propolis are mediated by a reduction of blood glucose levels in diabetic animals.
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Affiliation(s)
- Hamid Reza Sameni
- Research Center of Nervous System Stem Cell, Department of Anatomical Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Parisa Ramhormozi
- Research Center of Nervous System Stem Cell, Department of Anatomical Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Ahmad Reza Bandegi
- Research Center of Nervous System Stem Cell, Department of Biochemistry, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Abbas Ali Taherian
- Research Center of Nervous System Stem Cell, Department of Anatomical Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Majid Mirmohammadkhani
- Research Center for Social Determinants of Health, Department of Community Medicine, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Manouchehr Safari
- Research Center of Nervous System Stem Cell, Department of Anatomical Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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