1
|
Yakovlev AV, Detterer AS, Yakovleva OV, Hermann A, Sitdikova GF. H 2S prevents the disruption of the blood-brain barrier in rats with prenatal hyperhomocysteinemia. J Pharmacol Sci 2024; 155:131-139. [PMID: 38880547 DOI: 10.1016/j.jphs.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 06/18/2024] Open
Abstract
Elevation of the homocysteine concentration in the plasma called hyperhomocysteinemia (hHCY) during pregnancy causes a number of pre- and postnatal developmental disorders. The aim of our study was to analyze the effects of H2S donors -NaHS and N-acetylcysteine (NAC) on blood-brain barrier (BBB) permeability in rats with prenatal hHCY. In rats with mild hHCY BBB permeability assessed by Evans Blue extravasation in brain increased markedly throughout life. Administration of NaHS or NAC during pregnancy attenuated hHCY-associated damage and increased endogenous concentrations of sulfides in brain tissues. Acute application of dl-homocysteine thiolactone induced BBB leakage, which was prevented by the NMDA receptor antagonist MK-801 or H2S donors. Rats with hHCY demonstrated high levels of NO metabolite - nitrites and proinflammatory cytokines (IL-1β, TNF-α, IL-6) in brain. Lactate dehydrogenase (LDH) activity in the serum was higher in rats with hHCY. Mitochondrial complex-I activity was lower in brain of hHCY rats. NaHS treatment during pregnancy restored levels of proinflammatory cytokines, nitrites and activity of the respiratory chain complex in brain as well as the LDH activity in serum. Our data suggest that H2S has neuroprotective effects against prenatal hHCY-associated BBB disturbance providing a potential strategy for the prevention of developmental impairments in newborns.
Collapse
Affiliation(s)
- A V Yakovlev
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kremlevskaya str 18, Kazan, 420008, Russia
| | - A S Detterer
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kremlevskaya str 18, Kazan, 420008, Russia
| | - O V Yakovleva
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kremlevskaya str 18, Kazan, 420008, Russia
| | - A Hermann
- Department of Cell Biology, Division of Cellular and Molecular Neurobiology, University of Salzburg, Department of Biosciences, Hellbrunnerstr. 34, Salzburg, 5020, Austria
| | - G F Sitdikova
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kremlevskaya str 18, Kazan, 420008, Russia.
| |
Collapse
|
2
|
Wu S, Wang N, He Q, Chang G, Seto SW, Chang D, Liang H. The Establishment of the Method of Cell Biochromatograpy and Analysis of the Active Ingredients from TongQiaoHuoXue Decoction Acting on the Neurocytes. Chem Pharm Bull (Tokyo) 2018; 66:983-991. [DOI: 10.1248/cpb.c18-00455] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- SiPeng Wu
- Key Laboratory of Xin’an Medicine, Ministry of Education, Anhui University of Chinese Medicine
- Institute for Pharmacodynamics and Safety Evaluation of Chinese Medicine, Anhui Academy of Chinese Medicine
| | - Ning Wang
- Key Laboratory of Xin’an Medicine, Ministry of Education, Anhui University of Chinese Medicine
- Institute for Pharmacodynamics and Safety Evaluation of Chinese Medicine, Anhui Academy of Chinese Medicine
- National Institute of Complementary Medicine, Western Sydney University
| | - Qun He
- Key Laboratory of Xin’an Medicine, Ministry of Education, Anhui University of Chinese Medicine
| | - GuoJie Chang
- Key Laboratory of Xin’an Medicine, Ministry of Education, Anhui University of Chinese Medicine
| | - Sai Wang Seto
- National Institute of Complementary Medicine, Western Sydney University
| | - Dennis Chang
- National Institute of Complementary Medicine, Western Sydney University
| | | |
Collapse
|
3
|
Lehotský J, Tothová B, Kovalská M, Dobrota D, Beňová A, Kalenská D, Kaplán P. Role of Homocysteine in the Ischemic Stroke and Development of Ischemic Tolerance. Front Neurosci 2016; 10:538. [PMID: 27932944 PMCID: PMC5120102 DOI: 10.3389/fnins.2016.00538] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 11/03/2016] [Indexed: 01/17/2023] Open
Abstract
Homocysteine (Hcy) is a toxic, sulfur-containing intermediate of methionine metabolism. Hyperhomocysteinemia (hHcy), as a consequence of impaired Hcy metabolism or defects in crucial co-factors that participate in its recycling, is assumed as an independent human stroke risk factor. Neural cells are sensitive to prolonged hHcy treatment, because Hcy cannot be metabolized either by the transsulfuration pathway or by the folate/vitamin B12 independent remethylation pathway. Its detrimental effect after ischemia-induced damage includes accumulation of reactive oxygen species (ROS) and posttranslational modifications of proteins via homocysteinylation and thiolation. Ischemic preconditioning (IPC) is an adaptive response of the CNS to sub-lethal ischemia, which elevates tissues tolerance to subsequent ischemia. The main focus of this review is on the recent data on homocysteine metabolism and mechanisms of its neurotoxicity. In this context, the review documents an increased oxidative stress and functional modification of enzymes involved in redox balance in experimentally induced hyperhomocysteinemia. It also gives an interpretation whether hyperhomocysteinemia alone or in combination with IPC affects the ischemia-induced neurodegenerative changes as well as intracellular signaling. Studies document that hHcy alone significantly increased Fluoro-Jade C- and TUNEL-positive cell neurodegeneration in the rat hippocampus as well as in the cortex. IPC, even if combined with hHcy, could still preserve the neuronal tissue from the lethal ischemic effects. This review also describes the changes in the mitogen-activated protein kinase (MAPK) protein pathways following ischemic injury and IPC. These studies provide evidence for the interplay and tight integration between ERK and p38 MAPK signaling mechanisms in response to the hHcy and also in association of hHcy with ischemia/IPC challenge in the rat brain. Further investigations of the protective factors leading to ischemic tolerance and recognition of the co-morbid risk factors would result in development of new avenues for exploration of novel therapeutics against ischemia and stroke.
Collapse
Affiliation(s)
- Ján Lehotský
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava Martin, Slovakia
| | - Barbara Tothová
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava Martin, Slovakia
| | - Maria Kovalská
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in BratislavaMartin, Slovakia; Institute of Histology and Embryology, Jessenius Faculty of Medicine, Comenius University in BratislavaMartin, Slovakia
| | - Dušan Dobrota
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava Martin, Slovakia
| | - Anna Beňová
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava Martin, Slovakia
| | - Dagmar Kalenská
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava Martin, Slovakia
| | - Peter Kaplán
- Institute of Medical Biochemistry and BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava Martin, Slovakia
| |
Collapse
|
4
|
Thomas P, Fenech M. Buccal Cytome Biomarkers and Their Association with Plasma Folate, Vitamin B12 and Homocysteine in Alzheimer's Disease. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2015; 8:57-69. [PMID: 26228832 DOI: 10.1159/000435784] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 06/04/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS Alzheimer's disease (AD) is an irreversible neurodegenerative disorder and is the commonest form of dementia. One aim of this study was to determine whether AD individuals have altered plasma folate, vitamin B12 and homocysteine (Hcy) levels compared to controls. The other aim was to investigate correlations between B vitamins and buccal biomarkers to test whether they are influenced by B vitamin status. METHODS Folate, vitamin B12 and Hcy were measured using ARCHITECT® and AxSYM® assays. Genomic stability was measured using the buccal micronucleus cytome assay. RESULTS The area under the receiver operating characteristic curve for AD basal cells was 0.96 (p < 0.0001), for karyorrhectic cells 0.88 (p < 0.0001) and for basal and karyorrhectic cells 0.91 (p < 0.0001). Hcy was significantly increased (p = 0.0003) compared to controls. Plasma vitamin B12 in controls showed a positive correlation with pyknosis (r = 0.5365, p = 0.004), karyolysis (r = 0.5447, p = 0.004) and condensed chromatin (r = 0.5238, p = 0.006). Plasma vitamin B12 in AD cases showed a positive correlation with micronuclei (r = 0.3552, p = 0.04) and basal cells (r = 0.3448, p = 0.04), whilst plasma Hcy showed a negative correlation with karyorrhectic cells (r = -0.4107, p = 0.01). CONCLUSIONS Hcy was significantly increased in AD cases relative to controls. The lower frequency of basal cells and karyorrhectic cells observed in AD cases may be explained by lower vitamin B12 and higher Hcy levels, respectively.
Collapse
Affiliation(s)
- Philip Thomas
- Commonwealth and Scientific Industrial Research Organisation, Genome Health and Personalised Nutrition Laboratory, Food and Nutrition Flagship, Adelaide, S.A., Australia
| | | |
Collapse
|
5
|
Fang M, Wang J, Yan H, Zhao YX, Liu XY. A proteomics study of hyperhomocysteinemia injury of the hippocampal neurons using iTRAQ. Mol Med Rep 2014; 10:2511-6. [PMID: 25215643 DOI: 10.3892/mmr.2014.2557] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Accepted: 07/01/2014] [Indexed: 11/05/2022] Open
Abstract
High levels of homocysteine, caused by abnormal methionine metabolism, can induce degeneration of mouse hippocampal neurons. iTRAQ™ technology has been widely used in the field of proteomics research and through employing this technology, the present study identified that hyperhomocysteinemia induced the downregulation of 52 proteins and upregulation of 44 proteins in the mouse hippocampus. Through gene ontology and pathway analysis, the upregulation of components of the cytoskeleton, actin, regulators of focal adhesion, calcium signaling pathways, tight junctions, ErbB and gonadotrophin‑releasing hormone signaling, leukocyte, transendothelial migration, propanoate and pyruvate metabolism, valine, leucine and isoleucine biosynthesis, synthesis and degradation of ketone bodies and benzoate degradation via CoA ligation pathway, was identified. It was additionally verified that tau protein was highly expressed in the hyperhomocysteinemic neurons. Further analysis revealed that tau network proteins played functional roles in homocysteine‑induced neuronal damage.
Collapse
Affiliation(s)
- Min Fang
- Department of Neurology, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Jing Wang
- Department of Neurology, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Han Yan
- Department of Neurology, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Yan-Xin Zhao
- Department of Neurology, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Xue-Yuan Liu
- Department of Neurology, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| |
Collapse
|
6
|
Saccucci P, Compagnone E, Verrotti A, Galasso C, Curatolo P. Lack of association between MTHFR C677T and MTHFR A1298C genetic polymorphisms and mental retardation. Nutr Neurosci 2013; 11:241-2. [DOI: 10.1179/147683008x301595] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
|
7
|
Cole PD, Vijayanathan V, Ali NF, Wagshul ME, Tanenbaum EJ, Price J, Dalal V, Gulinello ME. Memantine protects rats treated with intrathecal methotrexate from developing spatial memory deficits. Clin Cancer Res 2013; 19:4446-54. [PMID: 23833301 DOI: 10.1158/1078-0432.ccr-13-1179] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To test whether memantine can prevent methotrexate-induced cognitive deficits in a preclinical model. EXPERIMENTAL DESIGN After noting that methotrexate exposure induces prolonged elevations of the glutamate analog homocysteic acid (HCA) within cerebrospinal fluid, we tested whether intrathecal injection of HCA would produce memory deficits similar to those observed after intrathecal methotrexate. We then tested whether memantine, an antagonist of the N-methyl-d-aspartate (NMDA) subclass of glutamate receptors, could protect animals treated with clinically relevant doses of intrathecal methotrexate against developing memory deficits. Finally, we asked whether memantine affected this pathway beyond inhibiting the NMDA receptor by altering expression of the NMDA receptor or affecting concentrations of HCA or glutamate within the central nervous system. RESULTS Four intrathecal doses of methotrexate induced deficits in spatial memory, persisting at least one month following the final injection. Intrathecal HCA was sufficient to reproduce this deficit. Concurrent administration of memantine during the period of methotrexate exposure was protective, decreasing the incidence of methotrexate-induced spatial memory deficits from 56% to 20% (P < 0.05). Memantine neither altered expression of NMDA receptors within the hippocampus nor blunted the methotrexate-induced increases in glutamate or HCA. CONCLUSIONS Excitotoxic glutamate analogs including HCA contribute to cognitive deficits observed after intrathecal methotrexate. Memantine, an NMDA receptor antagonist, reduces the incidence of cognitive deficits in rats treated with intrathecal methotrexate, and may therefore benefit patients with cancer receiving similar treatment.
Collapse
Affiliation(s)
- Peter D Cole
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, New York 10461, USA.
| | | | | | | | | | | | | | | |
Collapse
|