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Salari AA, Jand Y, Ghazi-Khansari M. Antibiotic treatment during pregnancy and lactation in dams exacerbates clinical symptoms and inflammatory responses in offspring with experimental autoimmune encephalomyelitis. J Neuroimmunol 2022; 366:577840. [DOI: 10.1016/j.jneuroim.2022.577840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 02/13/2022] [Accepted: 02/28/2022] [Indexed: 10/19/2022]
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Mosaferi B, Jand Y, Salari AA. Gut microbiota depletion from early adolescence alters anxiety and depression-related behaviours in male mice with Alzheimer-like disease. Sci Rep 2021; 11:22941. [PMID: 34824332 PMCID: PMC8617202 DOI: 10.1038/s41598-021-02231-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 11/12/2021] [Indexed: 12/13/2022] Open
Abstract
The gut-microbiota-brain axis plays an important role in stress-related disorders, and dysfunction of this complex bidirectional system is associated with Alzheimer's disease. This study aimed to assess the idea that whether gut microbiota depletion from early adolescence can alter anxiety- and depression-related behaviours in adult mice with or without Alzheimer-like disease. Male C57BL/6 mice were treated with an antibiotic cocktail from weaning to adulthood. Adult mice received an intracerebroventricular injection of amyloid-beta (Aβ)1-42, and were subjected to anxiety and depression tests. We measured, brain malondialdehyde and glutathione following anxiety tests, and assessed brain oxytocin and the hypothalamic-pituitary-adrenal (HPA) axis function by measuring adrenocorticotrophic hormone (ACTH) and corticosterone following depression tests. Healthy antibiotic-treated mice displayed significant decreases in anxiety-like behaviours, whereas they did not show any alterations in depression-like behaviours and HPA axis function. Antibiotic treatment from early adolescence prevented the development of anxiety- and depression-related behaviours, oxidative stress and HPA axis dysregulation in Alzheimer-induced mice. Antibiotic treatment increased oxytocin in the brain of healthy but not Alzheimer-induced mice. Taken together, these findings suggest that gut microbiota depletion following antibiotic treatment from early adolescence might profoundly affect anxiety- and depression-related behaviours, and HPA axis function in adult mice with Alzheimer-like disease.
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Affiliation(s)
- Belal Mosaferi
- Department of Basic Sciences, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Yahya Jand
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali-Akbar Salari
- Salari Institute of Cognitive and Behavioral Disorders (SICBD), P.O. Box 31396-45999, Karaj, Alborz, Iran.
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Mosaferi B, Jand Y, Salari AA. Antibiotic-induced gut microbiota depletion from early adolescence exacerbates spatial but not recognition memory impairment in adult male C57BL/6 mice with Alzheimer-like disease. Brain Res Bull 2021; 176:8-17. [PMID: 34391822 DOI: 10.1016/j.brainresbull.2021.08.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 12/16/2022]
Abstract
Gut microbiota dysbiosis is associated with cognitive dysfunctions and Alzheimer's disease (AD). This study set out to better understand the relationship between gut microbiota depletion and cognitive abilities in mice with or without Alzheimer-like disease. Male C57BL/6 mice from early adolescence received an antibiotic cocktail, and then in adulthood, animals were subjected to a stereotaxic surgery to induce Alzheimer-like disease using amyloid-beta (Aβ) 1-42 microinjection. To assess cognitive functions in mice, three behavioural tests including the Y maze, object recognition, and Morris water maze were used. We also measured brain-derived-neurotrophic factor (BDNF), tumour-necrosis factor (TNF)-α, interleukin (IL)-6, and Aβ42 in the brain. Our findings showed that antibiotics treatment impaired object recognition memory, whereas did not alter spatial memory in healthy mice. Antibiotics treatment in mice significantly exacerbated spatial memory impairment following the induction of AD in both the Y maze and Morris water maze test. There were significant correlations between these behavioural tests. In addition, healthy animals treated with antibiotics displayed a significant reduction in brain IL-6. We observed that antibiotics treatment significantly decreased both cytokines TNF-α and IL-6 in the brain of AD-induced mice. However, no alterations were found in brain BDNF levels following both antibiotics treatment and AD induction. These findings show that antibiotic-induced gut microbiota depletion from early adolescence to adulthood can impair cognitive abilities in mice with or without Alzheimer-like disease. Overall, this study suggests that gut microbiota manipulation from early adolescence to adulthood may adversely affect the normal development of cognitive functions.
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Affiliation(s)
- Belal Mosaferi
- Department of Basic Sciences, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Yahya Jand
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali-Akbar Salari
- Salari Institute of Cognitive and Behavioral Disorders (SICBD), Karaj, Alborz, Iran.
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Moheimani HR, Amiriani T, Alizadeh AM, Jand Y, Shakiba D, Ensan PS, Jafarzadeh F, Rajaei M, Enayati A, Pourabouk M, Aliazadeh S, Pourkhani AH, Mazaheri Z, Zeyghami MA, Dehpour A, Khori V. Preconditioning and anti-apoptotic effects of Metformin and Cyclosporine-A in an isolated bile duct-ligated rat heart. Eur J Pharmacol 2021; 893:173807. [PMID: 33359222 DOI: 10.1016/j.ejphar.2020.173807] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 11/18/2020] [Accepted: 12/08/2020] [Indexed: 12/18/2022]
Abstract
Despite all previous studies relating to the mechanism of cirrhotic cardiomyopathy (CCM), the role of cirrhosis on Ischemic Preconditioning (IPC) has not yet been explored. The present study strives to assess the cardioprotective role of IPC in bile duct ligated (BDL) rats as well as the cardioprotective role of Cyclosporin-A (CsA) and Metformin (Met) in CCM. Cirrhosis was induced by bile duct ligation (BDL). Rats' hearts were isolated and attached to a Langendorff Apparatus. The pharmacological preconditioning with Met and CsA was done before the main ischemia. Myocardial infarct size, hemodynamic and electrophysiological parameters, biochemical markers, and apoptotic indices were determined at the end of the experiment. Infarct size, apoptotic indices, arrhythmia score, and incidence of VF decreased significantly in the IPC group in comparison with the I/R group. These significant decreases were abolished in the IPC (BDL) group. Met significantly decreased the infarct size and apoptotic indices compared with I/R (BDL) and normal groups, while CsA led to similar decreases except in the level of caspase-3 and -8. Met and CsA decreased and increased the arrhythmia score and incidence of VF in the BDL groups, respectively. Functional recovery indices decreased in the I/R (BDL) and IPC (BDL) groups. Met improved these parameters. Therefore, the current study depicted that the cardioprotective effect of Met and CsA on BDL rats is mediated through the balance between pAMPK and apoptosis in the mitochondria.
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Key Words
- Bile duct ligation
- Caspase
- Cyclosporin-A
- Cyclosporin-A (3S,6S,9S,12R,15S,18S,21S,24S,30S,33S)-30-Ethyl-33-[(E,1R,2R)-1-Hydroxy-2-methylhex-4-enyl]-1,4,7,10,12,15,19,25,28-nonamethyl-6,9,18,24-tetrakis(2-methylpropyl)-3,21-di(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31undecazacyclotritriacontane-2,5,8,11,14,17,20,23,26,29,32-undecone, PubChemCID: 5284373
- Ischemic preconditioning
- Metformin
- Metformin 3-(diaminomethylidene)-1,1-dimethylguanidine, PubChem CID:4091
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Affiliation(s)
- Hamid Reza Moheimani
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Taghi Amiriani
- Golestan Research Center of Gastroenterology and Hepatology, Gorgan, Iran
| | - Ali Mohammad Alizadeh
- Cancer Research Center of Institute Cancer, Tehran University of Medical Science, Tehran, Iran
| | - Yahya Jand
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Delaram Shakiba
- Department of Mechanical Engineering and Material Science, Washington University in St. Louis, St. Louis, MO, USA
| | - Parham Sayyah Ensan
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Fatemeh Jafarzadeh
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Maryam Rajaei
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ayesheh Enayati
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mona Pourabouk
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Shahriar Aliazadeh
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Amir Hoshang Pourkhani
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Zohreh Mazaheri
- Basic Medical Science Research Center, Histogenotech Company, Tehran, Iran
| | - Mohammad Ali Zeyghami
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ahmadreza Dehpour
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Vahid Khori
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
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Mahmoudi R, Ghareghani M, Zibara K, Tajali Ardakani M, Jand Y, Azari H, Nikbakht J, Ghanbari A. Alyssum homolocarpum seed oil (AHSO), containing natural alpha linolenic acid, stearic acid, myristic acid and β-sitosterol, increases proliferation and differentiation of neural stem cells in vitro. Altern Ther Health Med 2019; 19:113. [PMID: 31159797 PMCID: PMC6547481 DOI: 10.1186/s12906-019-2518-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 05/07/2019] [Indexed: 01/01/2023]
Abstract
Background Embryonic neural stem cells (eNSCs) are immature precursors of the central nervous system (CNS), with self-renewal and multipotential differentiation capacities. These are regulated by endogenous and exogenous factors such as alpha-linolenic acid (ALA), a plant-based essential omega-3 polyunsaturated fatty acid. Methods In this study, we investigated the effects of various concentrations of Alyssum homolocarpum seed oil (AHSO), containing natural ALA, stearic acid (SA), myristic acid (MA), and β-sitosterol, on proliferation and differentiation of eNSCs, in comparison to controls and to synthetic pure ALA. Results Treatment with natural AHSO (25 to 75 μM), similar to synthetic ALA, caused a significant ~ 2-fold increase in eNCSs viability, in comparison to controls. To confirm this proliferative activity, treatment of NSCs with 50 or 75 μM AHSO resulted in a significant increase in mRNA levels of notch1, hes-1 and Ki-67and NICD protein expression, in comparison to controls. Moreover, AHSO administration significantly increased the differentiation of eNSCs toward astrocytes (GFAP+) and oligodendrocytes (MBP+) in a dose dependent manner and was more potent than ALA, at similar concentrations, in comparison to controls. Indeed, only high concentrations of 100 μM AHSO, but not ALA, caused a significant increase in the frequency of neurons (β-III Tubulin+). Conclusion Our data demonstrated that AHSO, a rich source of ALA containing also other beneficial fatty acids, increased the proliferation and stimulated the differentiation of eNSCs. We suggest that AHSO’s effects are caused by β-sitosterol, SA and MA, present within this oil. AHSO could be used in diet to prevent neurodevelopmental syndromes, cognitive decline during aging, and various psychiatric disorders.
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Najdi N, Safi F, Hashemi-Dizaji S, Sahraian G, Jand Y. First trimester determination of fetal gender by ultrasonographic measurement of anogenital distance: A cross-sectional study. Int J Reprod Biomed 2019; 17. [PMID: 31435579 PMCID: PMC6652156 DOI: 10.18502/ijrm.v17i1.3820] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 05/03/2018] [Accepted: 07/28/2018] [Indexed: 12/15/2022] Open
Abstract
Background In some patients with a family history of the gender-linked disease, determination of the fetal gender in the first trimester of pregnancy is of importance. In X-linked recessive inherited diseases, only the male embryos are involved, while in some conditions, such as congenital adrenal hyperplasia, female embryos are affected; hence early determination of fetal gender is important. Objective The aim of the current study was to predict the gender of the fetus based on the accurate measurement of the fetal anogenital distance (AGD) by ultrasound in the first trimester. Materials and Methods To determine the AGD and crown-rump length in this cross-sectional study, 316 women with singleton pregnancies were exposed to ultrasonography. The results were then compared with definitive gender of the embryos after birth. Results The best cut-off for 11 wk to 11 wk, 6 days of pregnancy was 4.5 mm, for 12 wk to 12 wk, 6 days was 4.9 mm, and for 13 wk to 13 wk, 6 days was 4.8 mm. Conclusion AGD is helpful as an ultrasonographic marker that can determine fetal gender in the first trimester, especially after 12 wks.
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Affiliation(s)
- Nazila Najdi
- Department of Gynecology and Obstetrics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Fatemeh Safi
- Department of Gynecology and Obstetrics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Shahrzad Hashemi-Dizaji
- Department of Gynecology and Obstetrics, Shahid Akbarabadi Hospital, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ghazal Sahraian
- Department of Gynecology and Obstetrics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Yahya Jand
- Departement of Pharmacology, School of Medicine, Tehran University of Medical Science, Tehran, Iran
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Ghareghani M, Scavo L, Jand Y, Farhadi N, Sadeghi H, Ghanbari A, Mondello S, Arnoult D, Gharaghani S, Zibara K. Melatonin Therapy Modulates Cerebral Metabolism and Enhances Remyelination by Increasing PDK4 in a Mouse Model of Multiple Sclerosis. Front Pharmacol 2019; 10:147. [PMID: 30873027 PMCID: PMC6403148 DOI: 10.3389/fphar.2019.00147] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 02/08/2019] [Indexed: 12/16/2022] Open
Abstract
Metabolic disturbances have been implicated in demyelinating diseases including multiple sclerosis (MS). Melatonin, a naturally occurring hormone, has emerged as a potent neuroprotective candidate to reduce myelin loss and improve MS outcomes. In this study, we evaluated the effect of melatonin, at both physiological and pharmacological doses, on oligodendrocytes metabolism in an experimental autoimmune encephalomyelitis (EAE) mouse model of MS. Results showed that melatonin decreased neurological disability scores and enhanced remyelination, significantly increasing myelin protein levels including MBP, MOG, and MOBP. In addition, melatonin attenuated inflammation by reducing pro-inflammatory cytokines (IL-1β and TNF-α) and increasing anti-inflammatory cytokines (IL-4 and IL-10). Moreover, melatonin significantly increased brain concentrations of lactate, N-acetylaspartate (NAA), and 3-hydroxy-3-methylglutaryl-coenzyme-A reductase (HMGCR). Pyruvate dehydrogenase kinase-4 (PDK-4) mRNA and protein expression levels were also increased in melatonin-treated, compared to untreated EAE mice. However, melatonin significantly inhibited active and total pyruvate dehydrogenase complex (PDC), an enzyme under the control of PDK4. In summary, although PDC activity was reduced by melatonin, it caused a reduction in inflammatory mediators while stimulating oligodendrogenesis, suggesting that oligodendrocytes are forced to use an alternative pathway to synthesize fatty acids for remyelination. We propose that combining melatonin and PDK inhibitors may provide greater benefits for MS patients than the use of melatonin therapy alone.
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Affiliation(s)
- Majid Ghareghani
- CERVO Brain Research Center, Quebec City, QC, Canada.,Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Linda Scavo
- Platform of Research and Analysis in Sciences and Environment (PRASE), Lebanese University, Beirut, Lebanon.,INSERM U 1197, Laboratory of Stem Cells, Transplantation and Immunoregulation, Villejuif, France
| | - Yahya Jand
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Naser Farhadi
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Hossein Sadeghi
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Amir Ghanbari
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Stefania Mondello
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy.,Oasi Research Institute - IRCCS, Troina, Italy
| | - Damien Arnoult
- INSERM U 1197, Laboratory of Stem Cells, Transplantation and Immunoregulation, Villejuif, France
| | - Sajjad Gharaghani
- Laboratory of Bioinformatics and Drug Design, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Kazem Zibara
- Platform of Research and Analysis in Sciences and Environment (PRASE), Lebanese University, Beirut, Lebanon.,Biology Department, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
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Polshekan M, Khori V, Alizadeh AM, Ghayour-Mobarhan M, Saeidi M, Jand Y, Rajaei M, Farnoosh G, Jamialahmadi K. The SAFE pathway is involved in the postconditioning mechanism of oxytocin in isolated rat heart. Peptides 2019; 111:142-151. [PMID: 29635063 DOI: 10.1016/j.peptides.2018.04.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 04/02/2018] [Accepted: 04/03/2018] [Indexed: 12/14/2022]
Abstract
Oxytocin (OT) has a postconditioning effect against the ischemia-reperfusion (I/R) injury. However, its precise cardioprotection mechanism at the early reperfusion phase remains under debate. Our previous study revealed that OT postconditioning (OTpost) is cardioprotective by activating the Reperfusion Injury Salvage Kinase (RISK) pathway. Therefore, the present study is aimed to determine the biological effects of OTpost via the OT receptor and the activation of the JAK/STAT3 signaling pathway, mitochondrial adenosine triphosphate-dependent potassium channel (mitoKATP), nitric oxide (NO) release, and its anti-apoptotic effects against I/R injury in an isolated rat heart model. Sixty-three rats were randomly allocated to one of nine groups. OT was perfused 40 min prior to the regional ischemia or 15 min at the early reperfusion phase. AG490 (a JAK/STAT3 inhibitor), 5HD (a mitoKATP blocker), atosiban (an OT receptor antagonist), L-NAME (a nonspecific nitric oxide synthase inhibitor) were applied either alone or in combination with OT during the pre-ischemia phase and/or in the early reperfusion phase. Myocardial infarct size, hemodynamic factor, ventricular arrhythmia, coronary flow, cardiac biochemical marker, and the apoptosis index were determined at the end of reperfusion. Oxytocin postconditioning reduced infarct size, lactate dehydrogenase activity, arrhythmia score, ventricular fibrillation, and apoptosis. Moreover, AG490, 5HD, atosiban, and L-NAME abrogated the cardioprotective effects of OT. Our results demonstrated that the cardioprotective effects of OT are mediated by NO release, and the activation of mitoKATP and the SAFE pathway through the JAK/STAT3 signaling cascade that finally lead to decrease in the apoptosis index during the early reperfusion phase.
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Affiliation(s)
- Mirali Polshekan
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran; Student Research Committee, Department of Modern Science and Technology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Khori
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ali Mohammad Alizadeh
- Cancer Research Center, Tehran University of Medical Sciences, Tehran, Iran; Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Majid Ghayour-Mobarhan
- Metabolic Syndrome Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Saeidi
- Stem cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Yahya Jand
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Maryam Rajaei
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Gholamreza Farnoosh
- Applied Biotechnology Research Centre, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Khadijeh Jamialahmadi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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yazdi H, Seifi A, Changizi S, Khori V, Hossini F, Davarian A, Jand Y, Enayati A, Mazandarani M, Nanvabashi F. Hydro-alcoholic extract of Matricaria recutita exhibited dual anti-spasmodic effect via modulation of Ca 2+ channels, NO and PKA 2-kinase pathway in rabbit jejunum. Avicenna J Phytomed 2017; 7:334-344. [PMID: 28884083 PMCID: PMC5580871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Several studies have shown the antispasmodic activity of Matricariarecutita without detailing the underlying mechanism(s). The present study was designed to determine whether the antispasmodic mechanisms of M. recutita extract mediated via histaminergic/cholinergic receptors, Ca2+channels, activation of PKA2 and NO release in isolated rabbit jejunum. MATERIALS AND METHODS The concentration- dependent (3 × 10-3-1.3 × 10-2 mg/ml) antispasmodic effect of the hydro-alcoholic extract of M. recutita flowers was studied in isolated rabbit jejunum. The isolated jejunum preparations were divided into seven groups, including the pharmacological probes that modulate cholinergic, histaminergic, and nitrergic receptors, as well as PKA2. RESULTS M. recutita inhibited spontaneous smooth muscle contractility of the jejunum in a concentration-dependent manner (3 × 10-3-1.3 × 10-2 mg/ml) and reduced both K+- and Ca2+-induced contractions, which is similar to the effect of verapamil. The antispasmodic effect of M. recutita was inhibited by H89 (a PKA2 inhibitor). The myorelaxant effect of M. recutita increased in the presence of ACh/His and H89. CONCLUSION M. recutita evoked antispasmodic and spasmolytic effects mediated through different signaling pathways. Our results have shown this dual inhibitory effect is mediated by blocking Ca2+ channels, activating His and ACh receptors, releasing NO, and activating PKA2.
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Affiliation(s)
- Hamidreza yazdi
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Corresponding Author: Tel: +981732430434, Fax: + 981732440225, , # These authors contribute equally to this work
| | - Akhtar Seifi
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Corresponding Author: Tel: +981732430434, Fax: + 981732440225, , # These authors contribute equally to this work
| | - Shima Changizi
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Vahid Khori
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Corresponding Author: Tel: +981732430434, Fax: + 981732440225, , # These authors contribute equally to this work
| | - Fatemeh Hossini
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ali Davarian
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Yahya Jand
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ayesheh Enayati
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | | | - Fateme Nanvabashi
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
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Polshekan M, Jamialahmadi K, Khori V, Alizadeh AM, Saeidi M, Ghayour-Mobarhan M, Jand Y, Ghahremani MH, Yazdani Y. RISK pathway is involved in oxytocin postconditioning in isolated rat heart. Peptides 2016; 86:55-62. [PMID: 27717750 DOI: 10.1016/j.peptides.2016.10.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Revised: 09/26/2016] [Accepted: 10/01/2016] [Indexed: 12/11/2022]
Abstract
The reperfusion injury salvage kinase (RISK) pathway is a fundamental signal transduction cascade in the cardioprotective mechanism of ischemic postconditioning. In the present study, we examined the cardioprotective role of oxytocin as a postconditioning agent via activation of the RISK pathway (PI3K/Akt and ERK1/2). Animals were randomly divided into 6 groups. The hearts were subjected under 30minutes (min) ischemia and 100min reperfusion. OT was perfused 15min at the early phase of reperfusion. RISK pathway inhibitors (Wortmannin; an Akt inhibitor, PD98059; an ERK1/2 inhibitor) and Atosiban (an OT receptor antagonist) were applied either alone 10min before the onset of the ischemia or in the combination with OT during early reperfusion phase. Myocardial infarct size, hemodynamic factors, ventricular arrhythmia, coronary flow and cardiac biochemical marker were measured at the end of reperfusion. OT postconditioning (OTpost), significantly decreased the infarct size, arrhythmia score, incidence of ventricular fibrillation, Lactate dehydrogenase and it increased coronary flow. The cardioprotective effect of OTpos was abrogated by PI3K/Akt, ERK1/2 inhibitors and Atosiban. Our data have shown that OTpost can activate RISK pathway mostly via the PI3K/Akt and ERK1/2 signaling cascades during the early phase of reperfusion.
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Affiliation(s)
- Mirali Polshekan
- Student Research Committee, Department of Modern Science and Technology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kadijeh Jamialahmadi
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Khori
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | | | - Mohsen Saeidi
- Stem cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Majid Ghayour-Mobarhan
- Biochemistry of Nutrition Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yahya Jand
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mohammad Hossein Ghahremani
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Yaghoub Yazdani
- Infectious Diseases Research Center and Laboratory Science Research Center, Golestan University of Medical Sciences, Gorgan, Iran
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