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Costa AR, Santos AMO, Barreto FS, Costa PMS, Roma RR, Rocha BAM, Oliveira CVB, Duarte AE, Pessoa C, Teixeira CS. In vitro antiproliferative effects of Vatairea macrocarpa (Benth.) Ducke lectin on human tumor cell lines and in vivo evaluation of its toxicity in Drosophila melanogaster. Food Chem Toxicol 2024:114815. [PMID: 38876381 DOI: 10.1016/j.fct.2024.114815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/30/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024]
Abstract
Tumor cells may develop alterations in glycosylation patterns during the initial phase of carcinogenesis. These alterations may be important therapeutic targets for lectins with antitumor action. This work aimed to evaluate the in vitro cytotoxicity of VML on tumor and non-tumor cells (concentration of 25 μg/mL and then microdiluted) and evaluate its in vivo toxicity at different concentrations (1.8, 3.5 and 7.0 μg/mL), using Drosophila melanogaster. Toxicity in D. melanogaster evaluated mortality rate, as well as oxidative stress markers (TBARS, iron levels, nitric oxide levels, protein and non-protein thiols). The cytotoxicity assay showed that VML had cytotoxic effect on leukemic lines HL-60 (IC50 = 3.5 μg/mL), KG1 (IC50 = 18.6 μg/mL) and K562 (102.0 μg/mL). In the toxicity assay, VML showed no reduction in survival at concentrations of 3.5 and 7.0 μg/mL and did not alter oxidative stress markers at any concentrations tested. Cytotoxicity of VML from HL-60, KG1 and K562 cells could arise from the interaction between the lectin and specific carbohydrates of tumor cells. In contrast, effective concentrations of VML against no-tumor cells human keratinocyte - HaCat and in the D. melanogaster model did not show toxicity, suggesting that VML is a promising molecule in vivo studies involving leukemic cells.
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Affiliation(s)
- Adrielle R Costa
- Center for Agricultural Sciences and Biodiversity, Universidade Federal do Cariri, Crato, CE, Brazil
| | - Antonio M O Santos
- Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Francisco S Barreto
- Department of Physiology and Pharmacology, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Pedro M S Costa
- Department of Physiology and Pharmacology, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Renato R Roma
- Department of Biochemistry and Molecular Biology, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Bruno A M Rocha
- Department of Biochemistry and Molecular Biology, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Carlos V B Oliveira
- Department of Biological Sciences, Universidade Regional do Cariri, Crato, CE, Brazil
| | - Antonia E Duarte
- Department of Biological Sciences, Universidade Regional do Cariri, Crato, CE, Brazil
| | - Claudia Pessoa
- Department of Physiology and Pharmacology, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Claudener S Teixeira
- Center for Agricultural Sciences and Biodiversity, Universidade Federal do Cariri, Crato, CE, Brazil.
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2
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Briski KP, Napit PR, Alhamyani A, Leprince J, Mahmood AH. Sex-Dimorphic Octadecaneuropeptide (ODN) Regulation of Ventromedial Hypothalamic Nucleus Glucoregulatory Neuron Function and Counterregulatory Hormone Secretion. ASN Neuro 2023; 15:17590914231167230. [PMID: 37194319 PMCID: PMC10196551 DOI: 10.1177/17590914231167230] [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: 10/04/2022] [Revised: 03/12/2023] [Accepted: 03/16/2023] [Indexed: 05/18/2023] Open
Abstract
Central endozepinergic signaling is implicated in glucose homeostasis. Ventromedial hypothalamic nucleus (VMN) metabolic monitoring governs glucose counter-regulation. VMN glucose-stimulatory nitric oxide (NO) and glucose-inhibitory γ-aminobutyric acid (GABA) neurons express the energy gauge 5'-AMP-activated protein kinase (AMPK). Current research addresses the premise that the astrocyte glio-peptide octadecaneuropeptide (ODN) imposes sex-dimorphic control of metabolic sensor activity and neurotransmitter signaling in these neurons. The ODN G-protein coupled-receptor antagonist cyclo(1-8)[DLeu5]OP (LV-1075) was administered intracerebroventricularly (icv) to euglycemic rats of each sex; additional groups were pretreated icv with the ODN isoactive surrogate ODN11-18 (OP) before insulin-induced hypoglycemia. Western blotting of laser-catapult-microdissected VMN NO and GABA neurons showed that hypoglycemia caused OP-reversible augmentation of phospho-, e.g., activated AMPK and nitric oxide synthase (nNOS) expression in rostral (female) or middle (male) VMN segments or ODN-dependent suppression of nNOS in male caudal VMN. OP prevented hypoglycemic down-regulation of glutamate decarboxylase profiles in female rat rostral VMN, without affecting AMPK activity. LV-1075 treatment of male, not female rats elevated plasma glucagon and corticosterone concentrations. Moreover, OP attenuated hypoglycemia-associated augmentation of these hormones in males only. Results identify, for each sex, regional VMN metabolic transmitter signals that are subject to endozepinergic regulation. Directional shifts and gain-or-loss of ODN control during eu- versus hypoglycemia infer that VMN neuron receptivity to or post-receptor processing of this stimulus may be modulated by energy state. In male, counter-regulatory hormone secretion may be governed principally by ODN-sensitive neural pathways, whereas this endocrine outflow may be controlled by parallel, redundant ODN-dependent and -independent mechanisms in female.
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Affiliation(s)
- Karen P. Briski
- School of Basic Pharmaceutical and
Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, LA,
USA
| | - Prabhat R. Napit
- School of Basic Pharmaceutical and
Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, LA,
USA
| | - Abdulrahman Alhamyani
- School of Basic Pharmaceutical and
Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, LA,
USA
| | - Jérôme Leprince
- Neuronal and Neuroendocrine Differentiation
and Communication Laboratory, Normandy University, INSERM U1239, PRIMACEN, Rouen,
France
| | - A.S.M. Hasan Mahmood
- School of Basic Pharmaceutical and
Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, LA,
USA
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3
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Minato T, Nakamura N, Saiki T, Miyabe M, Ito M, Matsubara T, Naruse K. β-Aminoisobutyric acid, L-BAIBA, protects PC12 cells from hydrogen peroxide-induced oxidative stress and apoptosis via activation of the AMPK and PI3K/Akt pathway. IBRO Neurosci Rep 2022; 12:65-72. [PMID: 35024688 PMCID: PMC8724974 DOI: 10.1016/j.ibneur.2021.12.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 11/25/2021] [Accepted: 12/05/2021] [Indexed: 11/21/2022] Open
Abstract
β-Aminoisobutyric acid (BAIBA) is a myokine that is secreted from skeletal muscles by the exercise. Recently, increasing evidence has suggested the multifocal physiological activities of BAIBA. In this study, we investigated whether L-BAIBA has protective effects on rat pheochromocytoma (PC12) cells. Cultured PC12 cells were stimulated with L-BAIBA. Western blot analyses revealed that L-BAIBA stimulation significantly increased the phosphorylation of AMPK and Akt. In contrast, no effect was observed on neurite outgrowth by L-BAIBA. To investigate the effects of L-BAIBA on oxidative stress, PC 12 cells were exposed to hydrogen peroxide (H2O2) with and without L-BAIBA. Hydrogen peroxide significantly increased reactive oxygen species (ROS) production and apoptosis in PC12 cells. Pretreatment with L-BAIBA suppressed H2O2-induced ROS production and apoptosis, which was abolished by the inhibition of AMPK by compound C. On the other hand, the inhibitory effects of L-BAIBA on oxidative stress-induced apoptosis were abolished by the inhibition of both AMPK and PI3K/Akt. In conclusion, we demonstrated that L-BAIBA confers protection against oxidative stress in PC12 cells by activating the AMPK and PI3K/Akt pathways. These results suggest that L-BAIBA may play a crucial role on protection of neuron-like cells and become a pharmacological agent to treat neuronal diseases.
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Key Words
- AMPK
- BAIBA, β-Aminoisobutyric acid
- DMEM, Dulbecco’s modified Eagle’s medium
- FBS, fetal bovine serum
- FITC, fluorescein isothiocyanate
- GPCR, G protein-coupled receptor
- Hydrogen peroxide
- MRGPRD, Mas-related G protein-coupled receptor type D
- Neuron
- Oxidative stress
- PGC-1α, peroxisome proliferator-activated receptor gamma coactivator-1-alpha
- PI3K/Akt
- PPARγ, peroxisome proliferator-activated receptor gamma
- ROS, reactive oxygen species
- TUNEL, TdT-mediated dUTP nick-end labeling
- β-Aminoisobutyric acid (BAIBA)
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Affiliation(s)
- Tomomi Minato
- Department of Clinical Laboratory, Aichi Gakuin University Dental Hospital, Nagoya, Japan
| | - Nobuhisa Nakamura
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Tomokazu Saiki
- Department of Pharmacy, Aichi Gakuin University Dental Hospital, Nagoya, Japan
| | - Megumi Miyabe
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Mizuho Ito
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Tatsuaki Matsubara
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Keiko Naruse
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
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4
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Shili I, Hamdi Y, Marouani A, Ben Lasfar Z, Ghrairi T, Lefranc B, Leprince J, Vaudry D, Olfa MK. Long-term protective effect of PACAP in a fetal alcohol syndrome (FAS) model. Peptides 2021; 146:170630. [PMID: 34481915 DOI: 10.1016/j.peptides.2021.170630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 12/29/2022]
Abstract
Prenatal ethanol exposure provokes teratogenic effects, due to oxidative stress and massive neuronal apoptosis in the developing brain that result in lifelong behavioral abnormalities. PACAP exerts anti-oxidative and neuroprotective activities on neuronal cells, and prevents ethanol neurotoxicity. The present study focused on the ability of PACAP to protect the brain of 30-day-old mice (P30) from prenatal alcohol exposure induced oxidative damage and toxicity. Pregnant mice were divided randomly into 4 groups, i.e. control group, ethanol group (1.5 g/kg ip daily injection), PACAP group (5 μg intrauterine daily injection) and an ethanol plus PACAP group. Offspring prenatally exposed to ethanol had decreased body weight and reduced cell survival. Moreover, production of ROS was sharply enhanced in the brain of prenatal ethanol-exposed animals, associated with an elevation in the activity of the antioxidant enzymes, and an increase of oxidative damages as shown by the accumulation of the lipid oxidation marker malondialdehyde and of protein carbonyl compounds. Intrauterine administration of PACAP during the gestational period restored the endogenous antioxidant system, prevented ROS overproduction and promoted the survival of dissociated cells from animals prenatally exposed to ethanol. Behavioral tests revealed that P30 animals exposed to ethanol during the prenatal period exhibited reduced motor activity, altered exploratory interest and increased anxiety. However, PACAP treatment significantly attenuated these behavioral impairments. This study demonstrates that PACAP exerts a potent neuroprotective effect against alcohol toxicity during brain development, and indicates that PACAP and/or PACAP analogs might be a useful tool for treatment of alcohol intoxication during pregnancy.
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Affiliation(s)
- Ilhem Shili
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092 Tunis, Tunisia; Normandie Univ, UNIROUEN, Inserm, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Neuropeptides, Neuronal Death and Cell Plasticity Team, 76000 Rouen, France
| | - Yosra Hamdi
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092 Tunis, Tunisia
| | - Ammar Marouani
- Institut Pasteur Tunisia, Laboratory of Venins and Toxines, B.P. 74, 1002 Tunis-Belvédère, Tunisia
| | - Zakaria Ben Lasfar
- Institut Pasteur Tunisia, Laboratory of Venins and Toxines, B.P. 74, 1002 Tunis-Belvédère, Tunisia
| | - Taoufik Ghrairi
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092 Tunis, Tunisia
| | - Benjamin Lefranc
- Normandie Univ, UNIROUEN, Inserm, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Neuropeptides, Neuronal Death and Cell Plasticity Team, 76000 Rouen, France; Normandie Univ, UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), 76000 Rouen, France
| | - Jérôme Leprince
- Normandie Univ, UNIROUEN, Inserm, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Neuropeptides, Neuronal Death and Cell Plasticity Team, 76000 Rouen, France; Normandie Univ, UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), 76000 Rouen, France
| | - David Vaudry
- Normandie Univ, UNIROUEN, Inserm, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Neuropeptides, Neuronal Death and Cell Plasticity Team, 76000 Rouen, France; Normandie Univ, UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), 76000 Rouen, France.
| | - Masmoudi-Kouki Olfa
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092 Tunis, Tunisia.
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5
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Fidelis KR, Dos Santos Nunes RG, da Silva CS, Oliveira CVB, Costa AR, de Lima Silva JR, Dos Santos LB, de Oliveira EES, Pereira PS, de Menezes IRA, Kamdem JP, Duarte AE, Pinho AI, Barros LM. Evaluation of the neuroprotective effect of rutin on Drosophila melanogaster about behavioral and biochemical aspects induced by mercury chloride (HgCl 2). Comp Biochem Physiol C Toxicol Pharmacol 2021; 249:109119. [PMID: 34182094 DOI: 10.1016/j.cbpc.2021.109119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 06/18/2021] [Accepted: 06/22/2021] [Indexed: 12/18/2022]
Abstract
Mercury chloride (HgCl2) acts as a bioaccumulator capable of causing numerous neurological and physiological changes in organisms in a negative way. However, rutin has been considered a very effective antioxidant compound in the treatment of neurodegenerative diseases, as it can neutralize radicals capable of damaging neuronal cells. In this context, this study aimed to evaluate rutin as a neoprotective agent against the damage induced by HgCl2 in Drosophila melanogaster. The exposure of the flies to the agents was carried out in triplicate, and about 150 adult flies were evaluated. To assess the antioxidant action of rutin, MTT, phenanthroline, nitric oxide, total thiols and NPSH tests were carried out in the following concentrations: Control (1500 μL of distilled water), 1 mg/g of HgCl2, 0.5 mg/g of Rutin + HgCl2, 1 mg/g of Rutin + HgCl2, 2 mg/g of Rutin + HgCl2. The locomotion test was verified by negative geotaxis, the result of which showed that flies exposed to HgCl2 had difficulties in flight. The group treated with HgCl2 alone had a high mortality rate, while in combination with different concentrations of rutin, it heard a moderate reduction in the number of deaths, as well as in the negative geotaxis data in which the rutin had a positive effect. An increase in iron (II) levels was observed at the highest concentrations of rutin, while at low concentrations, rutin significantly decreased nitric oxide levels. The HgCl2 + R group (2 mg/g) showed a significant increase in the total thiols content, while for the NPSH all rutin concentrations showed a significant increase in the levels of non-protein thiols. Our results demonstrate that mercury chloride can cause oxidative stress in D. melanogaster. However, the results suggest that rutin has antioxidant and protective effects against the damage caused by HgCl2.
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Affiliation(s)
- Kleber Ribeiro Fidelis
- Postgraduate Program in Biological Science, Federal University of Pernambuco, Recife, PE, Brazil
| | - Ricardo Gomes Dos Santos Nunes
- Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil; Postgraduate Program in Biochemistry and Physiology, Federal University of Pernambuco, Recife, PE, Brazil
| | | | | | - Adrielle Rodrigues Costa
- Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil; Biology and Toxicology Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil
| | | | | | | | - Pedro Silvino Pereira
- Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil; Biology and Toxicology Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil
| | | | - Jean Paul Kamdem
- Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil; Biology and Toxicology Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil
| | - Antônia Eliene Duarte
- Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil; Department of Biological Sciences, University of Regional Cariri, Crato, CE, Brazil
| | | | - Luiz Marivando Barros
- Plant Ecophysiolgy Laboratory, Regional University of Cariri (URCA), Crato, CE, Brazil; Department of Biological Sciences, University of Regional Cariri, Crato, CE, Brazil.
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6
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Laabbar W, Abbaoui A, Elgot A, Mokni M, Amri M, Masmoudi-Kouki O, Gamrani H. Aluminum induced oxidative stress, astrogliosis and cell death in rat astrocytes, is prevented by curcumin. J Chem Neuroanat 2020; 112:101915. [PMID: 33370573 DOI: 10.1016/j.jchemneu.2020.101915] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 12/12/2022]
Abstract
Aluminum (Al) is recognized potent neurotoxic metal, which causes oxidative stress leading to intracellular accumulation of reactive oxygen species (ROS) and neuronal cell death in various neurodegenerative diseases. Among several medicinal plants with beneficial effects on health, curcumin acts as a multi-functional drug with antioxidant activity. Thus, the purpose of the present study was to evaluate the protective effect of curcumin against aluminum induced-oxidative stress and astrocytes death, in vitro ad in vivo. Incubation of cultured rat astrocytes with two concentrations of Al (37 μM and 150 μM) for 1 h provoked a dose-dependent reduction of the number of living cells as evaluated by Fluorescein diacetate and lactate dehydrogenase assay. Al-treated cells exhibited a reduction of both superoxide dismutase (SOD) and catalase activities. Pretreatment of astrocytes with curcumin (81 μM) prevented Al-induced cell death. Regarding in vivo study, rats were exposed acutely during three consecutive days to three different doses of Al (25 mg/kg, 50 mg/kg and 100 mg/kg, i.p injection), together with curcumin treatment (30 mg/kg). For the chronic model, animals were exposed to Al (3 g/l) in drinking water from intrauterine age to 4 months ages, plus curcumin treatment (175 mg/kg). Data showed that both acute and chronic Al intoxication induced an obvious astrogliosis within motor cortex and hippocampus, while, such effects were restored by curcumin. We showed herein that Al was highly toxic, induced astrocytes death. Then, curcumin protected astrocytes against Al-toxicity. The cytoprotective potential of curcumin is initiated by stimulation of endogenous antioxidant system.
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Affiliation(s)
- Wafaa Laabbar
- Neurosciences, Pharmacology and Environment Team, Laboratory of Clinical, Experimental and Environmental Neurosciences, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco; Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakesh, Morocco
| | - Abdellatif Abbaoui
- Neurosciences, Pharmacology and Environment Team, Laboratory of Clinical, Experimental and Environmental Neurosciences, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco; Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakesh, Morocco
| | - Abdeljalil Elgot
- Epidemiology and Biomedical Sciences Unit, Laboratory of Health Sciences and Technologies, Higher Institute of Health Sciences, Hassan First University of Settat, Settat, Morocco
| | - Meherzia Mokni
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09 Laboratory of Functional Neurophysiology and Pathology, 2092 Tunis, Tunisia
| | - Mohamed Amri
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09 Laboratory of Functional Neurophysiology and Pathology, 2092 Tunis, Tunisia.
| | - Olfa Masmoudi-Kouki
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09 Laboratory of Functional Neurophysiology and Pathology, 2092 Tunis, Tunisia
| | - Halima Gamrani
- Neurosciences, Pharmacology and Environment Team, Laboratory of Clinical, Experimental and Environmental Neurosciences, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech, Morocco; Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakesh, Morocco.
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7
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Masmoudi-Kouki O, Namsi A, Hamdi Y, Bahdoudi S, Ghouili I, Chuquet J, Leprince J, Lefranc B, Ghrairi T, Tonon MC, Lizard G, Vaudry D. Cytoprotective and Neurotrophic Effects of Octadecaneuropeptide (ODN) in in vitro and in vivo Models of Neurodegenerative Diseases. Front Endocrinol (Lausanne) 2020; 11:566026. [PMID: 33250858 PMCID: PMC7672186 DOI: 10.3389/fendo.2020.566026] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 08/28/2020] [Indexed: 11/13/2022] Open
Abstract
Octadecaneuropeptide (ODN) and its precursor diazepam-binding inhibitor (DBI) are peptides belonging to the family of endozepines. Endozepines are exclusively produced by astroglial cells in the central nervous system of mammals, and their release is regulated by stress signals and neuroactive compounds. There is now compelling evidence that the gliopeptide ODN protects cultured neurons and astrocytes from apoptotic cell death induced by various neurotoxic agents. In vivo, ODN causes a very strong neuroprotective action against neuronal degeneration in a mouse model of Parkinson's disease. The neuroprotective activity of ODN is based on its capacity to reduce inflammation, apoptosis, and oxidative stress. The protective effects of ODN are mediated through its metabotropic receptor. This receptor activates a transduction cascade of second messengers to stimulate protein kinase A (PKA), protein kinase C (PKC), and mitogen-activated protein kinase (MAPK)-extracellular signal-regulated kinase (ERK) signaling pathways, which in turn inhibits the expression of proapoptotic factor Bax and the mitochondrial apoptotic pathway. In N2a cells, ODN also promotes survival and stimulates neurite outgrowth. During the ODN-induced neuronal differentiation process, numerous mitochondria and peroxisomes are identified in the neurites and an increase in the amount of cholesterol and fatty acids is observed. The antiapoptotic and neurotrophic properties of ODN, including its antioxidant, antiapoptotic, and pro-differentiating effects, suggest that this gliopeptide and some of its selective and stable derivatives may have therapeutic value for the treatment of some neurodegenerative diseases.
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Affiliation(s)
- Olfa Masmoudi-Kouki
- Laboratory of Neurophysiology Cellular Physiopathology and Biomolecule Valorisation, LR18ES03, Faculty of Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Amira Namsi
- Laboratory of Neurophysiology Cellular Physiopathology and Biomolecule Valorisation, LR18ES03, Faculty of Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism/University Bourgogne Franche-Comté (UBFC)/Inserm, Dijon, France
| | - Yosra Hamdi
- Laboratory of Neurophysiology Cellular Physiopathology and Biomolecule Valorisation, LR18ES03, Faculty of Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Seyma Bahdoudi
- Laboratory of Neurophysiology Cellular Physiopathology and Biomolecule Valorisation, LR18ES03, Faculty of Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
- Normandy University, Neuronal and Neuroendocrine Differentiation and Communication, Inserm U1239, Rouen, France
| | - Ikram Ghouili
- Laboratory of Neurophysiology Cellular Physiopathology and Biomolecule Valorisation, LR18ES03, Faculty of Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Julien Chuquet
- Normandy University, Neuronal and Neuroendocrine Differentiation and Communication, Inserm U1239, Rouen, France
| | - Jérôme Leprince
- Normandy University, Neuronal and Neuroendocrine Differentiation and Communication, Inserm U1239, Rouen, France
- Normandy University, Regional Platform for Cell Imaging of Normandy (PRIMACEN), Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Benjamin Lefranc
- Normandy University, Neuronal and Neuroendocrine Differentiation and Communication, Inserm U1239, Rouen, France
- Normandy University, Regional Platform for Cell Imaging of Normandy (PRIMACEN), Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Taoufik Ghrairi
- Laboratory of Neurophysiology Cellular Physiopathology and Biomolecule Valorisation, LR18ES03, Faculty of Sciences of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Marie-Christine Tonon
- Normandy University, Neuronal and Neuroendocrine Differentiation and Communication, Inserm U1239, Rouen, France
| | - Gérard Lizard
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism/University Bourgogne Franche-Comté (UBFC)/Inserm, Dijon, France
| | - David Vaudry
- Normandy University, Neuronal and Neuroendocrine Differentiation and Communication, Inserm U1239, Rouen, France
- Normandy University, Regional Platform for Cell Imaging of Normandy (PRIMACEN), Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
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8
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Gao XF, Liu Q, Qing H, Mu KM, Zhang J, Zhang D, Li H, Mao SJ. Development of eugenol-loaded submicron emulsion and its antiepileptic effect through regulating the oxidative stress. Int J Pharm 2020; 587:119724. [PMID: 32755685 DOI: 10.1016/j.ijpharm.2020.119724] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/13/2020] [Accepted: 07/30/2020] [Indexed: 11/16/2022]
Abstract
The purpose of this study was to develop an injectable submicron emulsion of eugenol (Eug-SE) and to investigate its antagonism on epilepsy. The formulation was optimized using a complete randomized design, comprising 5% (w/v) eugenol, 5% (w/v) soybean oil, 1.2% (w/v) egg phosphatidylcholine, 0.3% (w/v) poloxamer 188, and 0.03% (w/v) sodium oleate. The prepared Eug-SE was comprehensively evaluated in terms of its pharmaceutical characteristics, physicochemical stability, injection safety, antioxidant activity in vitro, and anti-epileptic effect in vivo. The mean particle size of Eug-SE was 176.1 ± 10.3 nm, the ζ-potential was -40.2 ± 1.8 mV, and the drug content was (95.3 ± 0.4) %. Moreover, the Eug-SE displayed excellent stability and improved safety compared to the eugenol solution. The Eug-SE (20 μg/mL) produced a significant neuroprotective effect against H2O2-induced oxidative damage in PC12 cells, which was attributed to the decrease of cellular reactive oxygen species level and mitochondrial damage. Besides, the in vivo test indicated that Eug-SE exerted an anti-epileptic effect in the PTZ treated mice. These results suggested that Eug-SE was a suitable dosage form of eugenol for injection, and displayed great therapeutic potential for neurological disease in the future.
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Affiliation(s)
- Xiao-Feng Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Qi Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Hong Qing
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ke-Man Mu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Jian Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Di Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Hui Li
- Department of Hematology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Affiliated Hospital of University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Sheng-Jun Mao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
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Li M, Wu X, An P, Dang H, Liu Y, Liu R. Effects of resveratrol on autophagy and the expression of inflammasomes in a placental trophoblast oxidative stress model. Life Sci 2020; 256:117890. [PMID: 32497634 DOI: 10.1016/j.lfs.2020.117890] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/21/2020] [Accepted: 05/29/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVE We aim to investigate whether there is activation of NLRP1 and autophagy in trophoblast oxidative stress model. Resveratrol was taken to clarify its role in oxidative damage of placental trophoblasts. METHODS H2O2 was added to HTR-8/SVneo cell for 3 h, then the ROS level and apoptosis panel was performed. The levels of IL-1β, caspase-1, NLRP1, LC3 and Beclin-1 were detected. Resveratrol was added after 8 h, the ROS level and apoptosis rate were detected, the expression of IL-1β, caspase-1, NLRP1, LC3 and Beclin-1 were detected. RESULTS 300 μmol/L H2O2 for 3 h is the optimum combination in establishing the oxidative stress injury model (P < 0.01). LDH, ROS and MDA level was increased, the activity of SOD, CAT were declined (P < 0.01). Apoptosis rate increased (P < 0.01). The expression of IL-1β, caspase-1, NLRP1, LC3 and Beclin-1 protein was higher (P < .01). Resveratrol (50 μmol/L) treatment for 8 h could improve the changes caused by H2O2, increase the survival rate of cells (P < 0.01), reduce the release of LDH, decrease the level of MDA, increase the level of SOD and CAT (P < 0.01). The expression of IL-1β, caspase-1, NLRP1, LC3 and Beclin-1 protein decreased (P < 0.01). CONCLUSION Trophoblast oxidative damage model can be established under 300 μmol/L H2O2 for 3 h, the expression of NLRP1and autophagy after H2O2 treatment were detected. Resveratrol reduces apoptotic cells, thus ensuring the normal biological functions of trophoblasts. CAPSULE H2O2-induced oxidative stress damage model in HTR-8/SVneo cells can be successfully established under 300 μmol/L H2O2 for 3 h, resveratrol alleviates of H2O2-induced damage by its antioxidant and autophagy regulation function.
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Affiliation(s)
- Meihe Li
- Department of Traditional Chinese Medicine, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Xiaoling Wu
- Department of Obstetrics and Gynecology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, China
| | - Peng An
- Department of Traditional Chinese Medicine, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Huimin Dang
- Department of Traditional Chinese Medicine, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
| | - Yanqiao Liu
- Department of Traditional Chinese Medicine, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Runxia Liu
- Department of Traditional Chinese Medicine, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
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Tonon MC, Vaudry H, Chuquet J, Guillebaud F, Fan J, Masmoudi-Kouki O, Vaudry D, Lanfray D, Morin F, Prevot V, Papadopoulos V, Troadec JD, Leprince J. Endozepines and their receptors: Structure, functions and pathophysiological significance. Pharmacol Ther 2020; 208:107386. [DOI: 10.1016/j.pharmthera.2019.06.008] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 06/20/2019] [Indexed: 02/06/2023]
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11
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Namsi A, Nury T, Khan AS, Leprince J, Vaudry D, Caccia C, Leoni V, Atanasov AG, Tonon MC, Masmoudi-Kouki O, Lizard G. Octadecaneuropeptide (ODN) Induces N2a Cells Differentiation through a PKA/PLC/PKC/MEK/ERK-Dependent Pathway: Incidence on Peroxisome, Mitochondria, and Lipid Profiles. Molecules 2019; 24:molecules24183310. [PMID: 31514417 PMCID: PMC6767053 DOI: 10.3390/molecules24183310] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/28/2019] [Accepted: 09/05/2019] [Indexed: 12/29/2022] Open
Abstract
Neurodegenerative diseases are characterized by oxidative stress, mitochondrial damage, and death of neuronal cells. To counteract such damage and to favor neurogenesis, neurotrophic factors could be used as therapeutic agents. Octadecaneuropeptide (ODN), produced by astrocytes, is a potent neuroprotective agent. In N2a cells, we studied the ability of ODN to promote neuronal differentiation. This parameter was evaluated by phase contrast microscopy, staining with crystal violet, cresyl blue, and Sulforhodamine 101. The effect of ODN on cell viability and mitochondrial activity was determined with fluorescein diacetate and DiOC6(3), respectively. The impact of ODN on the topography of mitochondria and peroxisomes, two tightly connected organelles involved in nerve cell functions and lipid metabolism, was evaluated by transmission electron microscopy and fluorescence microscopy: detection of mitochondria with MitoTracker Red, and peroxisome with an antibody directed against the ABCD3 peroxisomal transporter. The profiles in fatty acids, cholesterol, and cholesterol precursors were determined by gas chromatography, in some cases coupled with mass spectrometry. Treatment of N2a cells with ODN (10-14 M, 48 h) induces neurite outgrowth. ODN-induced neuronal differentiation was associated with modification of topographical distribution of mitochondria and peroxisomes throughout the neurites and did not affect cell viability and mitochondrial activity. The inhibition of ODN-induced N2a differentiation with H89, U73122, chelerythrine and U0126 supports the activation of a PKA/PLC/PKC/MEK/ERK-dependent signaling pathway. Although there is no difference in fatty acid profile between control and ODN-treated cells, the level of cholesterol and some of its precursors (lanosterol, desmosterol, lathosterol) was increased in ODN-treated cells. The ability of ODN to induce neuronal differentiation without cytotoxicity reinforces the interest for this neuropeptide with neurotrophic properties to overcome nerve cell damage in major neurodegenerative diseases.
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Affiliation(s)
- Amira Namsi
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270)/University Bourgogne Franche-Comté (UBFC)/Inserm, 21000 Dijon, France.
- Faculty of Science of Tunis, University Tunis El Manar, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomolecules Valorisation, Tunis 2092, Tunisia.
| | - Thomas Nury
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270)/University Bourgogne Franche-Comté (UBFC)/Inserm, 21000 Dijon, France.
| | - Amira S Khan
- Physiology of Nutrition & Toxicology (NUTox), Inserm U1231, University UBFC, 21000 Dijon, France.
| | - Jérôme Leprince
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie University, 76000 Rouen, France.
- UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandie University, 76000 Rouen, France.
| | - David Vaudry
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie University, 76000 Rouen, France.
- UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandie University, 76000 Rouen, France.
| | - Claudio Caccia
- Laboratory of Medical Genetics and Neurogenetics, Foundation IRCCS Istituto Neurologico Carlo Besta, 20100 Milan, Italy.
| | - Valerio Leoni
- Laboratory of Clinical Chemistry, Hospital of Varese, ASST-Settelaghi, 20100 Milan, Italy.
| | - Atanas G Atanasov
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzebiec, 05-552 Magdalenka, Poland.
- Department of Pharmacognosy, University of Vienna, 1010 Vienna, Austria.
- Institute of Neurobiology, Bulgarian Academy of Sciences, 23 Acad. G. Bonchev str., 1113 Sofia, Bulgaria.
| | - Marie-Christine Tonon
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie University, 76000 Rouen, France.
| | - Olfa Masmoudi-Kouki
- Faculty of Science of Tunis, University Tunis El Manar, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomolecules Valorisation, Tunis 2092, Tunisia.
| | - Gérard Lizard
- Team Bio-PeroxIL, Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism (EA7270)/University Bourgogne Franche-Comté (UBFC)/Inserm, 21000 Dijon, France.
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12
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Kaddour H, Hamdi Y, Amri F, Bahdoudi S, Bouannee I, Leprince J, Zekri S, Vaudry H, Tonon MC, Vaudry D, Amri M, Mezghani S, Masmoudi-Kouki O. Antioxidant and Anti-Apoptotic Activity of Octadecaneuropeptide Against 6-OHDA Toxicity in Cultured Rat Astrocytes. J Mol Neurosci 2018; 69:1-16. [PMID: 30343367 DOI: 10.1007/s12031-018-1181-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 09/21/2018] [Indexed: 12/12/2022]
Abstract
Oxidative stress, associated with various neurodegenerative diseases, promotes ROS generation, impairs cellular antioxidant defenses, and finally, triggers both neurons and astroglial cell death by apoptosis. Astrocytes specifically synthesize and release endozepines, a family of regulatory peptides, including the octadecaneuropeptide (ODN). We have previously reported that ODN acts as a potent neuroprotective agent that prevents 6-OHDA-induced apoptotic neuronal death. The purpose of the present study was to investigate the potential glioprotective effect of ODN on 6-OHDA-induced oxidative stress and cell death in cultured rat astrocytes. Incubation of astrocytes with graded concentrations of ODN (10-14 to 10-8 M) inhibited 6-OHDA-evoked cell death in a concentration- and time-dependent manner. In addition, ODN prevented the decrease of mitochondrial activity and caspase-3 activation induced by 6-OHDA. 6-OHDA-treated cells also exhibited enhanced levels of ROS associated with a generation of H2O2 and O2°-, and a reduction of both superoxide dismutase (SOD) and catalase (CAT) activities. Co-treatment of astrocytes with low concentrations of ODN dose-dependently blocked 6-OHDA-evoked production of ROS and inhibition of antioxidant enzyme activities. Concomitantly, ODN stimulated Mn-SOD, CAT, glutathione peroxidase-1, and sulfiredoxin-1 gene transcription and rescued 6-OHDA-associated reduced expression of endogenous antioxidant enzymes. Taken together, these data indicate that, in rat astrocytes, ODN exerts anti-apoptotic and anti-oxidative activities, and hence prevents 6-OHDA-induced oxidative assault and cell death. ODN is thus a potential candidate to delay neuronal damages in various pathological conditions involving oxidative neurodegeneration.
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Affiliation(s)
- Hadhemi Kaddour
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia.,CIRB, CNRS UMR 7241/INSERM U1050, PSL University, Labex MemoLife, Collège de France, 11 place Marcelin Berthelot, 75231, Paris, France.,Imagine Institute and Center of Psychiatry and Neuroscience, Université Paris Descartes, 102-108 rue de la Santé, 75014, Paris, France
| | - Yosra Hamdi
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia
| | - Fatma Amri
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia
| | - Seyma Bahdoudi
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia.,UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie Univ, 76000, Rouen, France
| | - Ibtissem Bouannee
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia
| | - Jérôme Leprince
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie Univ, 76000, Rouen, France.,UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandie Univ, 76000, Rouen, France
| | - Sami Zekri
- USCR Transmission Electron Microscopy, Faculty of Medicine, University Tunis El Manar, Tunis, Tunisia
| | - Hubert Vaudry
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie Univ, 76000, Rouen, France.,UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandie Univ, 76000, Rouen, France
| | - Marie-Christine Tonon
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie Univ, 76000, Rouen, France
| | - David Vaudry
- UNIROUEN, Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Normandie Univ, 76000, Rouen, France.,UNIROUEN, Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandie Univ, 76000, Rouen, France
| | - Mohamed Amri
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia
| | - Sana Mezghani
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia
| | - Olfa Masmoudi-Kouki
- University Tunis El Manar, Faculty of Sciences of Tunis, LR18ES03, Laboratory of Neurophysiology, Cellular Physiopathology and Biomelcules Valorisation, 2092, Tunis, Tunisia.
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13
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The effect of oxysterols on nerve impulses. Biochimie 2018; 153:46-51. [DOI: 10.1016/j.biochi.2018.04.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 04/16/2018] [Indexed: 12/22/2022]
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14
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Induction of Neuronal Differentiation of Murine N2a Cells by Two Polyphenols Present in the Mediterranean Diet Mimicking Neurotrophins Activities: Resveratrol and Apigenin. Diseases 2018; 6:diseases6030067. [PMID: 30037152 PMCID: PMC6165409 DOI: 10.3390/diseases6030067] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 07/19/2018] [Accepted: 07/20/2018] [Indexed: 12/31/2022] Open
Abstract
In the prevention of neurodegeneration associated with aging and neurodegenerative diseases (Alzheimer’s disease, Parkinson’s disease), neuronal differentiation is of interest. In this context, neurotrophic factors are a family of peptides capable of promoting the growth, survival, and/or differentiation of both developing and immature neurons. In contrast to these peptidyl compounds, polyphenols are not degraded in the intestinal tract and are able to cross the blood–brain barrier. Consequently, they could potentially be used as therapeutic agents in neurodegenerative pathologies associated with neuronal loss, thus requiring the stimulation of neurogenesis. We therefore studied the ability to induce neuronal differentiation of two major polyphenols present in the Mediterranean diet: resveratrol (RSV), a major compound found in grapes and red wine, and apigenin (API), present in parsley, rosemary, olive oil, and honey. The effects of these compounds (RSV and API: 6.25–50 µM) were studied on murine neuro-2a (N2a) cells after 48 h of treatment without or with 10% fetal bovine serum (FBS). Retinoic acid (RA: 6.25–50 µM) was used as positive control. Neuronal differentiation was morphologically evaluated through the presence of dendrites and axons. Cell growth was determined by cell counting and cell viability by staining with fluorescein diacetate (FDA). Neuronal differentiation was more efficient in the absence of serum than with 10% FBS or 10% delipidized FBS. At concentrations inducing neuronal differentiation, no or slight cytotoxicity was observed with RSV and API, whereas RA was cytotoxic. Without FBS, RSV and API, as well as RA, trigger the neuronal differentiation of N2a cells via signaling pathways simultaneously involving protein kinase A (PKA)/phospholipase C (PLC)/protein kinase C (PKC) and MEK/ERK. With 10% FBS, RSV and RA induce neuronal differentiation via PLC/PKC and PKA/PLC/PKC, respectively. With 10% FBS, PKA and PLC/PKC as well as MEK/ERK signaling pathways were not activated in API-induced neuronal differentiation. In addition, the differentiating effects of RSV and API were not inhibited by cyclo[DLeu5] OP, an antagonist of octadecaneuropeptide (ODN) which is a neurotrophic factor. Moreover, RSV and API do not stimulate the expression of the diazepam-binding inhibitor (DBI), the precursor of ODN. Thus, RSV and API are able to induce neuronal differentiation, ODN and its receptor are not involved in this process, and the activation of the (PLC/PKC) signaling pathway is required, except with apigenin in the presence of 10% FBS. These data show that RSV and API are able to induce neuronal differentiation and therefore mimic neurotrophin activity. Thus, RSV and API could be of interest in regenerative medicine to favor neurogenesis.
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15
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Bahdoudi S, Ghouili I, Hmiden M, do Rego JL, Lefranc B, Leprince J, Chuquet J, do Rego JC, Marcher AB, Mandrup S, Vaudry H, Tonon MC, Amri M, Masmoudi-Kouki O, Vaudry D. Neuroprotective effects of the gliopeptide ODN in an in vivo model of Parkinson's disease. Cell Mol Life Sci 2018; 75:2075-2091. [PMID: 29264673 PMCID: PMC11105203 DOI: 10.1007/s00018-017-2727-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 11/13/2017] [Accepted: 12/05/2017] [Indexed: 12/28/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by a progressive loss of dopamine (DA) neurons through apoptotic, inflammatory and oxidative stress mechanisms. The octadecaneuropeptide (ODN) is a diazepam-binding inhibitor (DBI)-derived peptide, expressed by astrocytes, which protects neurons against oxidative cell damages and apoptosis in an in vitro model of PD. The present study reveals that a single intracerebroventricular injection of 10 ng ODN 1 h after the last administration of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) prevented the degeneration of DA neurons induced by the toxin in the substantia nigra pars compacta of mice, 7 days after treatment. ODN-mediated neuroprotection was associated with a reduction of the number of glial fibrillary acidic protein-positive reactive astrocytes and a strong inhibition of the expression of pro-inflammatory genes such as interleukins 1β and 6, and tumor necrosis factor-α. Moreover, ODN blocked the inhibition of the anti-apoptotic gene Bcl-2, and the stimulation of the pro-apoptotic genes Bax and caspase-3, induced by MPTP in the substantia nigra pars compacta. ODN also decreased or even in some cases abolished MPTP-induced oxidative damages, overproduction of reactive oxygen species and accumulation of lipid oxidation products in DA neurons. Furthermore, DBI knockout mice appeared to be more vulnerable than wild-type animals to MPTP neurotoxicity. Taken together, these results show that the gliopeptide ODN exerts a potent neuroprotective effect against MPTP-induced degeneration of nigrostriatal DA neurons in mice, through mechanisms involving downregulation of neuroinflammatory, oxidative and apoptotic processes. ODN may, thus, reduce neuronal damages in PD and other cerebral injuries involving oxidative neurodegeneration.
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Affiliation(s)
- Seyma Bahdoudi
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Ikram Ghouili
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Mansour Hmiden
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Jean-Luc do Rego
- Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandy University, UNIROUEN, INSERM, 76821, Mont-Saint-Aignan, France
- Behavioral Analysis Platform (SCAC), Normandy University, 76183, Rouen, France
| | - Benjamin Lefranc
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France
- Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandy University, UNIROUEN, INSERM, 76821, Mont-Saint-Aignan, France
| | - Jérôme Leprince
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France
- Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandy University, UNIROUEN, INSERM, 76821, Mont-Saint-Aignan, France
| | - Julien Chuquet
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France
| | - Jean-Claude do Rego
- Behavioral Analysis Platform (SCAC), Normandy University, 76183, Rouen, France
| | - Ann-Britt Marcher
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230, Odense M, Denmark
| | - Susanne Mandrup
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230, Odense M, Denmark
| | - Hubert Vaudry
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France
- Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandy University, UNIROUEN, INSERM, 76821, Mont-Saint-Aignan, France
| | - Marie-Christine Tonon
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France
| | - Mohamed Amri
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Olfa Masmoudi-Kouki
- University Tunis El Manar, Faculty of Science of Tunis, UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia.
| | - David Vaudry
- Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), Normandy University, UNIROUEN, INSERM, U1239, 76821, Mont-Saint-Aignan, France.
- Regional Cell Imaging Platform of Normandy (PRIMACEN), Normandy University, UNIROUEN, INSERM, 76821, Mont-Saint-Aignan, France.
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Liu B, Teschemacher AG, Kasparov S. Astroglia as a cellular target for neuroprotection and treatment of neuro-psychiatric disorders. Glia 2017; 65:1205-1226. [PMID: 28300322 PMCID: PMC5669250 DOI: 10.1002/glia.23136] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 02/15/2017] [Accepted: 02/17/2017] [Indexed: 12/12/2022]
Abstract
Astrocytes are key homeostatic cells of the central nervous system. They cooperate with neurons at several levels, including ion and water homeostasis, chemical signal transmission, blood flow regulation, immune and oxidative stress defense, supply of metabolites and neurogenesis. Astroglia is also important for viability and maturation of stem-cell derived neurons. Neurons critically depend on intrinsic protective and supportive properties of astrocytes. Conversely, all forms of pathogenic stimuli which disturb astrocytic functions compromise neuronal functionality and viability. Support of neuroprotective functions of astrocytes is thus an important strategy for enhancing neuronal survival and improving outcomes in disease states. In this review, we first briefly examine how astrocytic dysfunction contributes to major neurological disorders, which are traditionally associated with malfunctioning of processes residing in neurons. Possible molecular entities within astrocytes that could underpin the cause, initiation and/or progression of various disorders are outlined. In the second section, we explore opportunities enhancing neuroprotective function of astroglia. We consider targeting astrocyte-specific molecular pathways which are involved in neuroprotection or could be expected to have a therapeutic value. Examples of those are oxidative stress defense mechanisms, glutamate uptake, purinergic signaling, water and ion homeostasis, connexin gap junctions, neurotrophic factors and the Nrf2-ARE pathway. We propose that enhancing the neuroprotective capacity of astrocytes is a viable strategy for improving brain resilience and developing new therapeutic approaches.
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Affiliation(s)
- Beihui Liu
- School of Physiology, Pharmacology and NeuroscienceUniversity of Bristol, University WalkBS8 1TDUnited Kingdom
| | - Anja G. Teschemacher
- School of Physiology, Pharmacology and NeuroscienceUniversity of Bristol, University WalkBS8 1TDUnited Kingdom
| | - Sergey Kasparov
- School of Physiology, Pharmacology and NeuroscienceUniversity of Bristol, University WalkBS8 1TDUnited Kingdom
- Institute for Chemistry and BiologyBaltic Federal UniversityKaliningradRussian Federation
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Ghouili I, Bahdoudi S, Morin F, Amri F, Hamdi Y, Coly PM, Walet-Balieu ML, Leprince J, Zekri S, Vaudry H, Vaudry D, Castel H, Amri M, Tonon MC, Masmoudi-Kouki O. Endogenous Expression of ODN-Related Peptides in Astrocytes Contributes to Cell Protection Against Oxidative Stress: Astrocyte-Neuron Crosstalk Relevance for Neuronal Survival. Mol Neurobiol 2017; 55:4596-4611. [PMID: 28698967 DOI: 10.1007/s12035-017-0630-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 05/22/2017] [Indexed: 11/29/2022]
Abstract
Astroglial cells are important actors in the defense of brain against oxidative stress injuries. Glial cells synthesize and release the octadecaneuropeptide ODN, a diazepam-binding inhibitor (DBI)-related peptide, which acts through its metabotropic receptor to protect neurons and astrocytes from oxidative stress-induced apoptosis. The purpose of the present study is to examine the contribution of the endogenous ODN in the protection of astrocytes and neurons from moderate oxidative stress. The administration of H2O2 (50 μM, 6 h) induced a moderate oxidative stress in cultured astrocytes, i.e., an increase in reactive oxygen species, malondialdehyde, and carbonyl group levels, but it had no effect on astrocyte death. Mass spectrometry and QPCR analysis revealed that 50 μM H2O2 increased ODN release and DBI mRNA levels. The inhibition of ODN release or pharmacological blockage of the effects of ODN revealed that in these conditions, 50 μM H2O2 induced the death of astrocytes. The transfection of astrocytes with DBI siRNA increased the vulnerability of cells to moderate stress. Finally, the addition of 1 nM ODN to culture media reversed cell death observed in DBI-deficient astrocytes. The treatment of neurons with media from 50 μM H2O2-stressed astrocytes significantly reduced the neuronal death induced by H2O2; this effect is greatly attenuated by the administration of an ODN metabotropic receptor antagonist. Overall, these results indicate that astrocytes produce authentic ODN, notably in a moderate oxidative stress situation, and this glio- and neuro-protective agent may form part of the brain defense mechanisms against oxidative stress injury.
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Affiliation(s)
- Ikram Ghouili
- Université de Tunis El Manar, Faculté des Sciences de Tunis, Research Unit UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Seyma Bahdoudi
- Université de Tunis El Manar, Faculté des Sciences de Tunis, Research Unit UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia.,Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France
| | - Fabrice Morin
- Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France
| | - Fatma Amri
- Université de Tunis El Manar, Faculté des Sciences de Tunis, Research Unit UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Yosra Hamdi
- Université de Tunis El Manar, Faculté des Sciences de Tunis, Research Unit UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Pierre Michael Coly
- Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France
| | - Marie-Laure Walet-Balieu
- Regional Proteomic Platform (Pissaro), IRIB, University of Rouen Normandie, Mont-Saint-Aignan, France
| | - Jérôme Leprince
- Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France.,Regional Platform for Cell Imaging of Normandie (PRIMACEN), IRIB, University of Rouen Normandie, Mont-Saint-Aignan, France.,International Associated Laboratory Samuel de Champlain, University of Rouen Normandie, Mont-Saint-Aignan, France
| | - Sami Zekri
- Electron Microscopy Laboratory, Faculty of Medicine of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Hubert Vaudry
- Regional Platform for Cell Imaging of Normandie (PRIMACEN), IRIB, University of Rouen Normandie, Mont-Saint-Aignan, France.,International Associated Laboratory Samuel de Champlain, University of Rouen Normandie, Mont-Saint-Aignan, France
| | - David Vaudry
- Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France.,Regional Proteomic Platform (Pissaro), IRIB, University of Rouen Normandie, Mont-Saint-Aignan, France.,Regional Platform for Cell Imaging of Normandie (PRIMACEN), IRIB, University of Rouen Normandie, Mont-Saint-Aignan, France.,International Associated Laboratory Samuel de Champlain, University of Rouen Normandie, Mont-Saint-Aignan, France
| | - Hélène Castel
- Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France
| | - Mohamed Amri
- Université de Tunis El Manar, Faculté des Sciences de Tunis, Research Unit UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia
| | - Marie-Christine Tonon
- Inserm U1239, Laboratory of Neuronal and Neuroendocrine Communication and Differentiation, Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen Normandie, 76128, Mont-Saint-Aignan, France.
| | - Olfa Masmoudi-Kouki
- Université de Tunis El Manar, Faculté des Sciences de Tunis, Research Unit UR/11ES09, Laboratory of Functional Neurophysiology and Pathology, 2092, Tunis, Tunisia.
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18
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Zehlila A, Schaumann A, Mlouka AB, Bourguiba I, Hardouin J, Masmoudi O, Cosette P, Amri M, Jouenne T. Glioprotective effect of Ulva rigida extract against UVB cellular damages. ALGAL RES 2017. [DOI: 10.1016/j.algal.2017.02.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Boussahel A, Ibegbu DM, Lamtahri R, Maucotel J, Chuquet J, Lefranc B, Leprince J, Roldo M, Mével JCL, Gorecki D, Barbu E. Investigations of octylglyceryl dextran-graft-poly(lactic acid) nanoparticles for peptide delivery to the brain. Nanomedicine (Lond) 2017; 12:879-892. [DOI: 10.2217/nnm-2016-0406] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Develop modified dextran nanoparticles showing potential to assist with drug permeation across the blood–brain barrier for the delivery of neuropeptides. Methods: Nanoparticles loaded by emulsification with model macromolecular actives were characterized in terms of stability, cytotoxicity and drug-release behavior. Peptide-loaded nanoformulations were tested in an in vivo trout model and in food-deprived mice. Results: Nanoformulations loaded with model peptides showed good stability and appeared nontoxic in low concentration against human brain endothelial cells. They were found to preserve the bioactivity of loaded peptides (angiotensin II) as demonstrated in vivo using a trout model, and to induce a transient reduction of food consumption in mice when loaded with an anorexigenic octaneuropeptide. Conclusion: Octylglyceryl dextran-graft-poly(lactic acid) nanoparticles formulated by emulsification demonstrate potential for peptide delivery.
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Affiliation(s)
- Asme Boussahel
- School of Pharmacy & Biomedical Sciences, University of Portsmouth, St Michael's Building, White Swan Road, PO1 2DT, UK
| | - Daniel M Ibegbu
- School of Pharmacy & Biomedical Sciences, University of Portsmouth, St Michael's Building, White Swan Road, PO1 2DT, UK
| | - Rhita Lamtahri
- Laboratory of Neuronal & Neuroendocrine Differentiation & Communication, INSERM U1239, Normandy University, 76000 Rouen, France
| | - Julie Maucotel
- Laboratory of Neuronal & Neuroendocrine Differentiation & Communication, INSERM U1239, Normandy University, 76000 Rouen, France
| | - Julien Chuquet
- Laboratory of Neuronal & Neuroendocrine Differentiation & Communication, INSERM U1239, Normandy University, 76000 Rouen, France
| | - Benjamin Lefranc
- Laboratory of Neuronal & Neuroendocrine Differentiation & Communication, INSERM U1239, Normandy University, 76000 Rouen, France
| | - Jérôme Leprince
- Laboratory of Neuronal & Neuroendocrine Differentiation & Communication, INSERM U1239, Normandy University, 76000 Rouen, France
| | - Marta Roldo
- School of Pharmacy & Biomedical Sciences, University of Portsmouth, St Michael's Building, White Swan Road, PO1 2DT, UK
| | - Jean-Claude Le Mével
- Neurophysiology Laboratory, LaTIM UMR 1101, University of Brest, 29238 Cedex 3, France
| | - Darek Gorecki
- School of Pharmacy & Biomedical Sciences, University of Portsmouth, St Michael's Building, White Swan Road, PO1 2DT, UK
| | - Eugen Barbu
- School of Pharmacy & Biomedical Sciences, University of Portsmouth, St Michael's Building, White Swan Road, PO1 2DT, UK
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20
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Du C, Guo Y, Cheng Y, Han M, Zhang W, Qian H. Torulene and torularhodin, protects human prostate stromal cells from hydrogen peroxide-induced oxidative stress damage through the regulation of Bcl-2/Bax mediated apoptosis. Free Radic Res 2017; 51:113-123. [PMID: 28112004 DOI: 10.1080/10715762.2017.1285024] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The current study was designed to elucidate the cytoprotective effects and possible mechanisms of torulene and torularhodin on hydrogen peroxide (H2O2)-induced oxidative stress damage in human prostate stromal cells (WPMY-1). After treated with H2O2, a notable decrease was appeared in cell viability, yet the decrease was attenuated when cells were pretreated with torulene and torularhodin (0.5-10 μM) as evaluated by WST-1 assay. Pretreatment with these two carotenoids significantly attenuated H2O2-induced apoptosis in WPMY-1 cells through the inhibition of intracellular reactive oxygen species (ROS) and malondialdehyde (MDA) overproduction, as well as the activation of the activities in catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px). Finally, pretreatment of cells with carotenoids resulted in the regulation of the mRNA and protein expression of Bcl-2 and Bax in H2O2-exposed prostate stromal cells. The present results indicate that both torulene and torularhodin can protect human prostate stromal cells from oxidative stress damage via Bcl-2/Bax mediated apoptosis.
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Affiliation(s)
- Chao Du
- a School of Food Science and Technology, Jiangnan University , Wuxi , Jiangsu Province , PR China.,b School of Biotechnology, Jiangnan University , Wuxi , Jiangsu Province , PR China
| | - Yahui Guo
- a School of Food Science and Technology, Jiangnan University , Wuxi , Jiangsu Province , PR China
| | - Yuliang Cheng
- a School of Food Science and Technology, Jiangnan University , Wuxi , Jiangsu Province , PR China
| | - Mei Han
- b School of Biotechnology, Jiangnan University , Wuxi , Jiangsu Province , PR China
| | - Weiguo Zhang
- b School of Biotechnology, Jiangnan University , Wuxi , Jiangsu Province , PR China
| | - He Qian
- a School of Food Science and Technology, Jiangnan University , Wuxi , Jiangsu Province , PR China.,c National Engineering Research Center for Functional Food, Jiangnan University , Wuxi , Jiangsu Province , PR China
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21
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Amri F, Ghouili I, Amri M, Carrier A, Masmoudi-Kouki O. Neuroglobin protects astroglial cells from hydrogen peroxide-induced oxidative stress and apoptotic cell death. J Neurochem 2016; 140:151-169. [DOI: 10.1111/jnc.13876] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Revised: 10/18/2016] [Accepted: 10/21/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Fatma Amri
- Université de Tunis El Manar; Faculté des Sciences de Tunis; UR/11ES09 Laboratory of Functional Neurophysiology and Pathology; Tunisia
- Centre de Recherche en Cancérologie de Marseille (CRCM); INSERM U1068; CNRS UMR7258; Aix-Marseille Université UM105; Institut Paoli-Calmettes, Parc Scientifique et Technologique de Luminy; Marseille France
| | - Ikram Ghouili
- Université de Tunis El Manar; Faculté des Sciences de Tunis; UR/11ES09 Laboratory of Functional Neurophysiology and Pathology; Tunisia
| | - Mohamed Amri
- Université de Tunis El Manar; Faculté des Sciences de Tunis; UR/11ES09 Laboratory of Functional Neurophysiology and Pathology; Tunisia
| | - Alice Carrier
- Centre de Recherche en Cancérologie de Marseille (CRCM); INSERM U1068; CNRS UMR7258; Aix-Marseille Université UM105; Institut Paoli-Calmettes, Parc Scientifique et Technologique de Luminy; Marseille France
| | - Olfa Masmoudi-Kouki
- Université de Tunis El Manar; Faculté des Sciences de Tunis; UR/11ES09 Laboratory of Functional Neurophysiology and Pathology; Tunisia
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22
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D-Galactose Causes Motor Coordination Impairment, and Histological and Biochemical Changes in the Cerebellum of Rats. Mol Neurobiol 2016; 54:4127-4137. [DOI: 10.1007/s12035-016-9981-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 06/14/2016] [Indexed: 12/24/2022]
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23
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Douiri S, Bahdoudi S, Hamdi Y, Cubì R, Basille M, Fournier A, Vaudry H, Tonon MC, Amri M, Vaudry D, Masmoudi-Kouki O. Involvement of endogenous antioxidant systems in the protective activity of pituitary adenylate cyclase-activating polypeptide against hydrogen peroxide-induced oxidative damages in cultured rat astrocytes. J Neurochem 2016; 137:913-30. [DOI: 10.1111/jnc.13614] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 02/09/2016] [Accepted: 02/24/2016] [Indexed: 02/04/2023]
Affiliation(s)
- Salma Douiri
- Laboratory of Functional Neurophysiology and Pathology; Research Unit UR/11ES09; Department of Biological Sciences; Faculty of Science of Tunis; University Tunis El Manar; Tunis Tunisia
| | - Seyma Bahdoudi
- Laboratory of Functional Neurophysiology and Pathology; Research Unit UR/11ES09; Department of Biological Sciences; Faculty of Science of Tunis; University Tunis El Manar; Tunis Tunisia
- Inserm U982; Laboratory of Neuronal and Neuroendocrine Communication and Differentiation; University of Rouen; Mont-Saint-Aignan France
| | - Yosra Hamdi
- Laboratory of Functional Neurophysiology and Pathology; Research Unit UR/11ES09; Department of Biological Sciences; Faculty of Science of Tunis; University Tunis El Manar; Tunis Tunisia
| | - Roger Cubì
- Inserm U982; Laboratory of Neuronal and Neuroendocrine Communication and Differentiation; University of Rouen; Mont-Saint-Aignan France
| | - Magali Basille
- Inserm U982; Laboratory of Neuronal and Neuroendocrine Communication and Differentiation; University of Rouen; Mont-Saint-Aignan France
- Regional Platform for Cell Imaging of Normandie (PRIMACEN); Institute for Biomedical Research and Innovation; University of Rouen; Mont-Saint-Aignan France
| | - Alain Fournier
- INRS - Institut Armand-Frappier; Laval Quebec Canada
- Laboratoire International Associé Samuel de Champlain; Institut Armand-Frappier; Laval Quebec Canada
- International Associated Laboratory Samuel de Champlain; University of Rouen; Mont-Saint-Aignan France
| | - Hubert Vaudry
- Inserm U982; Laboratory of Neuronal and Neuroendocrine Communication and Differentiation; University of Rouen; Mont-Saint-Aignan France
- Regional Platform for Cell Imaging of Normandie (PRIMACEN); Institute for Biomedical Research and Innovation; University of Rouen; Mont-Saint-Aignan France
- International Associated Laboratory Samuel de Champlain; University of Rouen; Mont-Saint-Aignan France
| | - Marie-Christine Tonon
- Inserm U982; Laboratory of Neuronal and Neuroendocrine Communication and Differentiation; University of Rouen; Mont-Saint-Aignan France
- Regional Platform for Cell Imaging of Normandie (PRIMACEN); Institute for Biomedical Research and Innovation; University of Rouen; Mont-Saint-Aignan France
| | - Mohamed Amri
- Laboratory of Functional Neurophysiology and Pathology; Research Unit UR/11ES09; Department of Biological Sciences; Faculty of Science of Tunis; University Tunis El Manar; Tunis Tunisia
| | - David Vaudry
- Inserm U982; Laboratory of Neuronal and Neuroendocrine Communication and Differentiation; University of Rouen; Mont-Saint-Aignan France
- Regional Platform for Cell Imaging of Normandie (PRIMACEN); Institute for Biomedical Research and Innovation; University of Rouen; Mont-Saint-Aignan France
- International Associated Laboratory Samuel de Champlain; University of Rouen; Mont-Saint-Aignan France
| | - Olfa Masmoudi-Kouki
- Laboratory of Functional Neurophysiology and Pathology; Research Unit UR/11ES09; Department of Biological Sciences; Faculty of Science of Tunis; University Tunis El Manar; Tunis Tunisia
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24
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Hamdi Y, Madfai H, Belhareth R, Mokni M, Masmoudi-Kouki O, Amri M. Prenatal exposure to cigarette smoke enhances oxidative stress in astrocytes of neonatal rat. Toxicol Mech Methods 2016; 26:231-7. [PMID: 26998663 DOI: 10.3109/15376516.2016.1156205] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Oxidative stress is involved in the pathogenesis of smoking-related disease. Protection of astrocytes from oxidative insult appears essential to maintain brain function. In this study, we have investigated the effect of gestational cigarette exposure on astrocyte survival. Pregnant female were randomly allocated to the control group or to the cigarette smoke group in which they were placed in an exposure chamber and inhale three cigarettes smoke twice a day for a period of 20 days. The control group was kept in the exposure chamber for the same duration, but without exposure to cigarette smoke. Newborn rats from both groups were weighed 24 h after birth and then cerebral hemispheres were collected for astrocyte culture. Incubation of astrocytes isolated from animals exposed to cigarette smoke with 300 μM H2O2 for 1 h induced a significant decrease of the proportion of surviving cells compared to cells isolated form control animals. We have observed that H2O2-treated astroglial cells derived from cigarette smoke exposure showed more reduced superoxide dismutase and catalase activities than H2O2-treated astroglial cells from control animals. In conclusion, this study indicates that astroglial cells derived from newborn rats exposed in utero to cigarette smoke are more vulnerable to oxidative assault than cultured astrocytes obtained from control animals. These results point out the existence of excitotoxic lesions in newborn exposed in utero to cigarette smoke and suggest that despite their high antioxidative activities, astrocytes cannot survive and protect neurons under massive oxidative stress.
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Affiliation(s)
- Yosra Hamdi
- a Laboratory of Functional Neurophysiology and Pathology, Research Unit UR11ES09, Department of Biological Sciences , Faculty of Science of Tunis, University Tunis El Manar , Tunis , Tunisia
| | - Hayfa Madfai
- a Laboratory of Functional Neurophysiology and Pathology, Research Unit UR11ES09, Department of Biological Sciences , Faculty of Science of Tunis, University Tunis El Manar , Tunis , Tunisia
| | - Rym Belhareth
- a Laboratory of Functional Neurophysiology and Pathology, Research Unit UR11ES09, Department of Biological Sciences , Faculty of Science of Tunis, University Tunis El Manar , Tunis , Tunisia
| | - Meherzia Mokni
- a Laboratory of Functional Neurophysiology and Pathology, Research Unit UR11ES09, Department of Biological Sciences , Faculty of Science of Tunis, University Tunis El Manar , Tunis , Tunisia
| | - Olfa Masmoudi-Kouki
- a Laboratory of Functional Neurophysiology and Pathology, Research Unit UR11ES09, Department of Biological Sciences , Faculty of Science of Tunis, University Tunis El Manar , Tunis , Tunisia
| | - Mohamed Amri
- a Laboratory of Functional Neurophysiology and Pathology, Research Unit UR11ES09, Department of Biological Sciences , Faculty of Science of Tunis, University Tunis El Manar , Tunis , Tunisia
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