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Javelot H, Messaoudi M, Jacquelin C, Bisson JF, Rozan P, Nejdi A, Lazarus C, Cassel JC, Strazielle C, Lalonde R. Behavioral and neurochemical effects of dietary methyl donor deficiency combined with unpredictable chronic mild stress in rats. Behav Brain Res 2013; 261:8-16. [PMID: 24333542 DOI: 10.1016/j.bbr.2013.11.047] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 11/22/2013] [Accepted: 11/26/2013] [Indexed: 10/25/2022]
Abstract
Methyl donor deficiencies and chronic stress cause depression independently, but their interaction has never been thoroughly evaluated. In our study, methyl donor deficient diet and chronic stress condition consisted respectively of a B2, B9, B12, and choline-free diet and a chronic mild stress procedure. Rats were randomly assigned to six groups with three "diet" conditions (free-feeding, pair-fed and methyl donor deficient diet) and two "stress" conditions (no-stress and stress) and were evaluated in the open-field, the elevated plus-maze and the forced swimming test. After the behavioral evaluation, corticosterone and homocysteine plasma levels were measured and dopamine, DOPAC, serotonin, 5HIAA concentrations were evaluated in several brain areas. Rats given a methyl donor deficient diet for 11 weeks causing elevated plasma homocysteine levels were compared to pair-fed and free-feeding rats with or without unpredictable chronic mild stress. Regardless of stress environmental conditions, the methyl donor deficient diet decreased plasma corticosterone levels and caused disinhibition in the elevated plus-maze condition relative to both control groups. However, stress potentiated the effects of the deficient regimen on rearing in the open-field and climbing in the forced swim test. The dietary changes involved in behavior and plasma corticosterone could be caused by homocysteine-induced decreases in dopamine and 5-hydroxytryptamine metabolites in selective brain regions and it can be noted that regardless of stress-conditions, methyl donor deficient diet decreases DOPAC/dopamine and 5HIAA/serotonin ratios in striatum and hypothalamus and selectively 5HIAA/serotonin ratio in the sensorimotor cortex. Our experimental data is particularly relevant in the context of neuropsychiatric disorders frequently associated with folate deficiency and hyperhomocysteinemia.
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Affiliation(s)
- H Javelot
- Laboratoire de Nutrition Génétique et Exposition aux Risques Environnementaux, INSERM U954, Faculté de Médecine de Nancy - UHP, Vandœuvre-lès-Nancy, France; ETAP-Applied Ethology - Neuropsychopharmacology Department, Vandœuvre-lès-Nancy, France; Clinical Pharmacy Service - Mental Health Establishment (EPSAN), Brumath, France.
| | - M Messaoudi
- ETAP-Applied Ethology - Neuropsychopharmacology Department, Vandœuvre-lès-Nancy, France
| | - C Jacquelin
- Laboratoire de Nutrition Génétique et Exposition aux Risques Environnementaux, INSERM U954, Faculté de Médecine de Nancy - UHP, Vandœuvre-lès-Nancy, France
| | - J F Bisson
- ETAP-Applied Ethology - Neuropsychopharmacology Department, Vandœuvre-lès-Nancy, France
| | - P Rozan
- ETAP-Applied Ethology - Neuropsychopharmacology Department, Vandœuvre-lès-Nancy, France
| | - A Nejdi
- ETAP-Applied Ethology - Neuropsychopharmacology Department, Vandœuvre-lès-Nancy, France
| | - C Lazarus
- Laboratoire de Neurosciences Cognitives et Adaptatives, UMR 7363, Université de Strasbourg, CNRS, Strasbourg, France
| | - J C Cassel
- Laboratoire de Neurosciences Cognitives et Adaptatives, UMR 7363, Université de Strasbourg, CNRS, Strasbourg, France
| | - C Strazielle
- Laboratoire de Nutrition Génétique et Exposition aux Risques Environnementaux, INSERM U954, Faculté de Médecine de Nancy - UHP, Vandœuvre-lès-Nancy, France; Laboratoire de Microscopie Electronique, Faculté de Médecine de Nancy - UHP, Vandœuvre-lès-Nancy, France
| | - R Lalonde
- Université de Rouen, Dépt. Psychologie, Laboratoire ICONES (EA 4699), Mont-Saint-Aignan, France
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da Cunha AA, Scherer E, da Cunha MJ, Schmitz F, Machado FR, Lima DD, Delwing D, Wyse ATS. Acute hyperhomocysteinemia alters the coagulation system and oxidative status in the blood of rats. Mol Cell Biochem 2011; 360:205-14. [DOI: 10.1007/s11010-011-1058-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2011] [Accepted: 09/08/2011] [Indexed: 12/27/2022]
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Ebbesen LS, Olesen SH, Kruhøffer M, Ingerslev J, Ørntoft TF. Folate deficiency induced hyperhomocysteinemia changes the expression of thrombosis-related genes. Blood Coagul Fibrinolysis 2007; 17:293-301. [PMID: 16651872 DOI: 10.1097/01.mbc.0000224849.19754.85] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Hyperhomocysteinemia (HH) is an independent risk factor for thrombosis although the precise pathogenesis is still unresolved. Previous studies have demonstrated that HH changes whole blood coagulation by increasing the velocity, increasing the firmness of the formed clot, and by prolonging the initiation phase of the coagulation. With the aim of elucidating the genetic pathogenesis which might be responsible for the changes in whole blood coagulation, we applied oligo-array technology to RNA from buffycoat-cells comparing animals suffering from hyperhomocysteinemia (42 micromol/l) with controls (6 micromol/l). Data mining identified a number of relevant genes, and the expression pattern was validated by real time reverse transcriptase-polymerase chain reaction. An upregulation of integrin beta-3, Rap 1b, glycoprotein V, platelet-endothelial cell adhesion molecule-1 (PECAM-1) and von Willebrand factor (vWF) led us to deduce increased platelet activation/aggregation. Coagulation factor XIIIa was upregulated and may contribute in increasing the firmness of the formed clot. Impaired fibrinolysis was anticipated, since an upregulation of plasminogen activator inhibitor-1 (PAI-1) and a downregulation of tissue-type plasminogen activator (t-PA) were detected. Reduced spontaneous contact activation was anticipated due to a downregulation of the kallikrein gene. Upregulation of selectins may contribute to increased tethering and rolling of leukocytes. In conclusion, folate deficiency induced hyperhomocysteinemia changes in the gene expression of buffy coat cells which was characterized by increased platelet activation, impaired fibrinolysis and a reduced contact activation of the coagulation. These changes may contribute to explain the increased risk of thrombosis seen in hyperhomocysteinemia individuals. This pattern of the hyperhomocysteinemia-affected genes may represent a reference for further studies at the protein level to define the folate depletion effects in blood cells.
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Affiliation(s)
- Liselotte S Ebbesen
- Clinical Institute, University Hospital of Aarhus, Skejby Sygehus, Brendstrupgaardsvej, Denmark.
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