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Correa Basurto AM, Tamay Cach F, Jarillo Luna RA, Cabrera Pérez LC, Correa Basurto J, García Dolores F, Mendieta Wejebe JE. Hepatotoxic Evaluation of N-(2-Hydroxyphenyl)-2-Propylpentanamide: A Novel Derivative of Valproic Acid for the Treatment of Cancer. Molecules 2023; 28:6282. [PMID: 37687111 PMCID: PMC10488843 DOI: 10.3390/molecules28176282] [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: 07/16/2023] [Revised: 08/17/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023] Open
Abstract
Valproic acid (VPA) is a drug that has various therapeutic applications; however, it has been associated with liver damage. Furthermore, it is interesting to propose new compounds derived from VPA as N-(2-hydroxyphenyl)-2-propylpentanamide (HO-AAVPA). The HO-AAVPA has better antiproliferative activity than the VPA in different cancer cell lines. The purpose of this study was to evaluate the liver injury of HO-AAVPA by acute treatment (once administration) and repeated doses for 7 days under intraperitoneal administration. The median lethal dose value (LD50) was determined in rats and mice (females and males) using OECD Guideline 425. In the study, male rats were randomly divided into 4 groups (n = 7), G1: control (without treatment), G2: vehicle, G3: VPA (500 mg/kg), and G4: HO-AAVPA (708 mg/kg, in equimolar ratio to VPA). Some biomarkers related to hepatotoxicity were evaluated. In addition, macroscopic and histological studies were performed. The LD50 value of HO-AAVPA was greater than 2000 mg/kg. Regarding macroscopy and biochemistry, the HO-AAVPA does not induce liver injury according to the measures of alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, glutathione peroxidase, glutathione reductase, and catalase activities. Comparing the treatment with HO-AAVPA and VPA did not show a significant difference with the control group, while malondialdehyde and glutathione-reduced levels in the group treated with HO-AAVPA were close to those of the control (p ≤ 0.05). The histological study shows that liver lesions caused by HO-AAVPA were less severe compared with VPA. Therefore, it is suggested that HO-AAVPA does not induce hepatotoxicity at therapeutic doses, considering that in the future it could be proposed as an antineoplastic drug.
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Affiliation(s)
- Ana María Correa Basurto
- Laboratorio de Biofísica y Biocatálisis, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico; (A.M.C.B.); (L.C.C.P.); (J.C.B.)
| | - Feliciano Tamay Cach
- Laboratorio de Investigación de Bioquímica Aplicada, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico;
| | - Rosa Adriana Jarillo Luna
- Laboratorio de Morfología, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico;
| | - Laura Cristina Cabrera Pérez
- Laboratorio de Biofísica y Biocatálisis, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico; (A.M.C.B.); (L.C.C.P.); (J.C.B.)
- Laboratorio de Farmacología, Departamento de Bioprocesos, Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Avenida Acueducto s/n, La Laguna Ticoman, Ciudad de México 07340, Mexico
| | - José Correa Basurto
- Laboratorio de Biofísica y Biocatálisis, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico; (A.M.C.B.); (L.C.C.P.); (J.C.B.)
- Laboratorio de Diseño y Desarrollo de Nuevos Fármacos e Innovación Biotecnológica, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico
| | - Fernando García Dolores
- Laboratorio de Patología, Instituto de Ciencias Forenses de la Ciudad de México, Av. Niños Héroes 130. Col. Doctores, Delegación Cuauhtémoc, Ciudad de México 06720, Mexico;
| | - Jessica Elena Mendieta Wejebe
- Laboratorio de Biofísica y Biocatálisis, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Salvador Díaz Mirón s/n, Casco de Santo Tomas, Ciudad de México 11340, Mexico; (A.M.C.B.); (L.C.C.P.); (J.C.B.)
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Brotzmann K, Escher SE, Walker P, Braunbeck T. Potential of the zebrafish (Danio rerio) embryo test to discriminate between chemicals of similar molecular structure-a study with valproic acid and 14 of its analogues. Arch Toxicol 2022; 96:3033-3051. [PMID: 35920856 PMCID: PMC9525359 DOI: 10.1007/s00204-022-03340-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 07/13/2022] [Indexed: 12/01/2022]
Abstract
Valproic acid is a frequently used antiepileptic drug and known pediatric hepatotoxic agent. In search of pharmaceuticals with increased effectiveness and reduced toxicity, analogue chemicals came into focus. So far, toxicity and teratogenicity data of drugs and metabolites have usually been collected from mammalian model systems such as mice and rats. However, in an attempt to reduce mammalian testing while maintaining the reliability of toxicity testing of new industrial chemicals and drugs, alternative test methods are being developed. To this end, the potential of the zebrafish (Danio rerio) embryo to discriminate between valproic acid and 14 analogues was investigated by exposing zebrafish embryos for 120 h post fertilization in the extended version of the fish embryo acute toxicity test (FET; OECD TG 236), and analyzing liver histology to evaluate the correlation of liver effects and the molecular structure of each compound. Although histological evaluation of zebrafish liver did not identify steatosis as the prominent adverse effect typical in human and mice, the structure–activity relationship (SAR) derived was comparable not only to human HepG2 cells, but also to available in vivo mouse and rat data. Thus, there is evidence that zebrafish embryos might serve as a tool to bridge the gap between subcellular, cell-based systems and vertebrate models.
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Affiliation(s)
- Katharina Brotzmann
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, 69120, Heidelberg, Germany.
| | - Sylvia E Escher
- Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Nikolai-Fuchs-Strasse 1, 30625, Hannover, Germany
| | - Paul Walker
- Cyprotex Discovery, No. 24 Mereside, Alderley Park, Nether Alderley, Cheshire, SK10 4TG, UK
| | - Thomas Braunbeck
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, 69120, Heidelberg, Germany.
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Escher SE, Aguayo-Orozco A, Benfenati E, Bitsch A, Braunbeck T, Brotzmann K, Bois F, van der Burg B, Castel J, Exner T, Gadaleta D, Gardner I, Goldmann D, Hatley O, Golbamaki N, Graepel R, Jennings P, Limonciel A, Long A, Maclennan R, Mombelli E, Norinder U, Jain S, Capinha LS, Taboureau OT, Tolosa L, Vrijenhoek NG, van Vugt-Lussenburg BMA, Walker P, van de Water B, Wehr M, White A, Zdrazil B, Fisher C. A read-across case study on chronic toxicity of branched carboxylic acids (1): Integration of mechanistic evidence from new approach methodologies (NAMs) to explore a common mode of action. Toxicol In Vitro 2021; 79:105269. [PMID: 34757180 DOI: 10.1016/j.tiv.2021.105269] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/17/2021] [Accepted: 10/27/2021] [Indexed: 02/04/2023]
Abstract
This read-across case study characterises thirteen, structurally similar carboxylic acids demonstrating the application of in vitro and in silico human-based new approach methods, to determine biological similarity. Based on data from in vivo animal studies, the read-across hypothesis is that all analogues are steatotic and so should be considered hazardous. Transcriptomic analysis to determine differentially expressed genes (DEGs) in hepatocytes served as first tier testing to confirm a common mode-of-action and identify differences in the potency of the analogues. An adverse outcome pathway (AOP) network for hepatic steatosis, informed the design of an in vitro testing battery, targeting AOP relevant MIEs and KEs, and Dempster-Shafer decision theory was used to systematically quantify uncertainty and to define the minimal testing scope. The case study shows that the read-across hypothesis is the critical core to designing a robust, NAM-based testing strategy. By summarising the current mechanistic understanding, an AOP enables the selection of NAMs covering MIEs, early KEs, and late KEs. Experimental coverage of the AOP in this way is vital since MIEs and early KEs alone are not confirmatory of progression to the AO. This strategy exemplifies the workflow previously published by the EUTOXRISK project driving a paradigm shift towards NAM-based NGRA.
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Affiliation(s)
- Sylvia E Escher
- Fraunhofer Institute for Toxicology and Experimental Medicine, Chemical Safety and Toxicology, Germany.
| | | | - Emilio Benfenati
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - Annette Bitsch
- Fraunhofer Institute for Toxicology and Experimental Medicine, Chemical Safety and Toxicology, Germany
| | - Thomas Braunbeck
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Katharina Brotzmann
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Frederic Bois
- Certara UK Ltd, Simcyp Division, Sheffield, United Kingdom
| | | | - Jose Castel
- Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | | | - Domenico Gadaleta
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - Iain Gardner
- Certara UK Ltd, Simcyp Division, Sheffield, United Kingdom
| | - Daria Goldmann
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Vienna, Austria
| | - Oliver Hatley
- Certara UK Ltd, Simcyp Division, Sheffield, United Kingdom
| | | | - Rabea Graepel
- Leiden Academic Centre for Drug Research (LACDR), Leiden University, Leiden, the Netherlands
| | - Paul Jennings
- Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | | | | | | | | | | | - Sankalp Jain
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Vienna, Austria
| | | | | | - Laia Tolosa
- Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Nanette G Vrijenhoek
- Leiden Academic Centre for Drug Research (LACDR), Leiden University, Leiden, the Netherlands
| | | | | | - Bob van de Water
- Leiden Academic Centre for Drug Research (LACDR), Leiden University, Leiden, the Netherlands
| | - Matthias Wehr
- Fraunhofer Institute for Toxicology and Experimental Medicine, Chemical Safety and Toxicology, Germany
| | - Andrew White
- Unilever Safety and Environmental Assurance Centre, Sharnbrook, Bedfordshire, United Kingdom
| | - Barbara Zdrazil
- University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Vienna, Austria
| | - Ciarán Fisher
- Certara UK Ltd, Simcyp Division, Sheffield, United Kingdom
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Shen X, Huo B, Li Y, Song C, Wu T, He J. Response of the critically endangered Przewalski's gazelle (Procapra przewalskii) to selenium deprived environment. J Proteomics 2021; 241:104218. [PMID: 33831599 DOI: 10.1016/j.jprot.2021.104218] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 02/06/2023]
Abstract
Selenium (Se) is an essential mineral nutrient for animals. Se deprivation can lead to many disorders and even death. This study investigated the response of Przewalski's gazelle (P. przewalskii) to Se-deprived environment. We found that Se deprivation in soil and forage not only influenced the mineral contents of the blood and hair in P. przewalskii, but also severely disrupted their blood parameters. We identified significant changes in the abundance of 146 proteins and 25 metabolites (P < 0.05) in serum, including the selenoproteins L8IG93 (glutathione peroxidase) and F4YD09 (Cu/Zn superoxide dismutase). Furthermore, the major known proteins and metabolites associated with the Se stress response in P. przewalskii were Cu/Zn superoxide dismutase, the vitamin K-dependent protein C, the C4b-binding protein alpha chain, complement component C7, lipase linoleic acid, peptidase D, thymidine, pseudo-uridine, L-phenylalanine, L-glutamine, PGA1, and 15-deoxy-delta-12,14-PGJ2. The main signaling pathways involved included complement and coagulation cascades, metabolic pathways, and stress granule formation. Our results indicate that the intake of Se-deficient forage elicited an oxidative stress response in P. przewalskii. These findings provide insights into the response mechanisms of this threatened gazelle to Se stress, and enable the development of conservation strategies to protect populations on the Qinghai-Tibetan Plateau. SIGNIFICANCE: This study is the first to point out the presence of oxidative stress in P. przewalskii in selenium-deficient areas through proteomics and metabolomics studies. These findings should prove helpful for conservation efforts aimed at P. przewalskii populations and maintenance of the integrity of their ecological environment.
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Affiliation(s)
- Xiaoyun Shen
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China; State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi 832000, Xinjiang, China; World Bank Poverty Alleviation Project Office in Guizhou, Southwest China, Guiyang 550004, China.
| | - Bin Huo
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - Yuanfeng Li
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - Chunjie Song
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - Ting Wu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
| | - Jian He
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
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Yousefizadeh S, Farkhondeh T, Samarghandian S. Age-Related Diazinon Toxicity Impact on Blood Glucose, Lipid Profile and Selected Biochemical Indices in Male Rats. Curr Aging Sci 2020; 12:49-54. [PMID: 31038084 PMCID: PMC6971895 DOI: 10.2174/1874609812666190416160918] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/24/2019] [Accepted: 04/05/2019] [Indexed: 12/20/2022]
Abstract
Background: Diabetes and its complications are age-related diseases. Low-grade inflammation plays the main role in the aging processes. Diazinon (DZN), an organophosphate pesticide, has been found to induce metabolic disturbances. Objective: The present study was designed to investigate the impact of DZN on age-related changes on inflammatory cells, blood glucose concentration, lipid profile, and liver and kidney function indices in adult and aged rats. Methods: Male rats (2 and 16 month old) were orally administrated with DZN (15 mg/kg) for 4 weeks. Then the blood was obtained for measuring inflammatory cells, lipid profile, glucose and serum biochemical indices such as liver enzymes, albumin, total protein, creatinine (Cr), urea, and uric acid in the serum of adult and aged male rats. Results: DZN increased the blood levels of glucose and the percentage of lymphocytes and also serum levels of TChol, TG, LDL-c, AST, ALT, ALP, LDH, Cr, urea, and uric acid in the adult and aged rats versus the aged matched control rats (p< 0.001). A marked reduction in HDL-c levels, total protein, albumin, and in the percentage of neutrophils were seen in the adult and aged animals exposed to DZN versus the aged matched control rats. DZN also increased the levels of LDL-c and ALT in the aged rats versus adult animals. Conclusion: The present study indicated that DZN can cause metabolic disturbance. However, the age-dependent effects of DZN on metabolic indices were not be confirmed by the present data.
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Affiliation(s)
- Shahnaz Yousefizadeh
- Department of Laboratory and Clinical Sciences, Faculty of Para-Veterinary, Ilam University, Ilam, Iran
| | - Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
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Magwebu ZE, Mazinu M, Abdul-Rasool S, Chauke CG. The effect of hyperglycinemic treatment in captive-bred Vervet monkeys (Chlorocebus aethiops). Metab Brain Dis 2019; 34:1467-1472. [PMID: 31230217 DOI: 10.1007/s11011-019-00449-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 06/10/2019] [Indexed: 12/24/2022]
Abstract
Nonketotic hyperglycinemia (NKH) is a neuro-metabolic disorder caused by a deficiency in the glycine cleavage system (GCS) and glycine transporter 1 (GlyT1). A case of atypical late onset of NKH has been reported in a colony of captive-bred Vervet monkeys. The purpose of this study was to evaluate the effect of sodium benzoate and dextromethorphan in reducing glycine levels in hyperglycinemic monkeys. Twelve captive-bred Vervet monkeys were assigned into three groups consisting of four animals (control, valproate induced and cataract with spontaneous hyperglycinemia). Valproate was used to elevate glycine levels and the induced group was then treated with sodium benzoate and dextromethorphan together with group three to normalise glycine levels in cerebrospinal fluid (CSF) and plasma. Valproate induction elicited changes in phosphate, alkaline phosphatase and platelet count, however, no significant changes in the glycine levels were observed, and this might be due to the individual variability within the group. The treatment intervention was only obtained in the spontaneous group whereby the glycine levels were normalised in CSF and plasma. Therefore, it can be concluded that sodium benzoate and dextromethorphan treatment was effective and beneficial to the hyperglycinemic group.
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Affiliation(s)
- Zandisiwe E Magwebu
- Primate Unit and Delft Animal Centre, South African Medical Research Council, P.O Box 19070, Tygerberg, Cape Town, 7505, South Africa.
| | - Mikateko Mazinu
- Primate Unit and Delft Animal Centre, South African Medical Research Council, P.O Box 19070, Tygerberg, Cape Town, 7505, South Africa
| | - Sahar Abdul-Rasool
- Medical Bioscience Department, University of the Western Cape, Belville, South Africa
| | - Chesa G Chauke
- Primate Unit and Delft Animal Centre, South African Medical Research Council, P.O Box 19070, Tygerberg, Cape Town, 7505, South Africa
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Felker D, Lynn A, Wang S, Johnson DE. Evidence for a potential protective effect of carnitine-pantothenic acid co-treatment on valproic acid-induced hepatotoxicity. Expert Rev Clin Pharmacol 2014; 7:211-8. [DOI: 10.1586/17512433.2014.871202] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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George S, Kadam SD, Irving ND, Markowitz GJ, Raja S, Kwan A, Tu Y, Chen H, Rohde C, Smith DR, Comi AM. Impact of trichostatin A and sodium valproate treatment on post-stroke neurogenesis and behavioral outcomes in immature mice. Front Cell Neurosci 2013; 7:123. [PMID: 23966909 PMCID: PMC3746680 DOI: 10.3389/fncel.2013.00123] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 07/13/2013] [Indexed: 12/12/2022] Open
Abstract
Stroke in the neonatal brain frequently results in neurologic impairments including cognitive disability. We investigated the effect of long-term sodium valproate (valproate) and trichostatin A (TSA) treatment upon post-stroke neurogenesis in the dentate gyrus (DG) of stroke-injured immature mice. Decreased or abnormal integration of newborn DG neurons into hippocampal circuits can result in impaired visual-spatial function, abnormal modulation of mood-related behaviors, and the development of post-stroke epilepsy. Unilateral carotid ligation of P12 CD1 mice was followed by treatment with valproate, TSA, or vehicle for 2 weeks, bromodeoxyuridine (BrdU) administration for measurement of neurogenesis, and perfusion at P42 or P60. Behavior testing was conducted from P38–42. No detrimental effects on behavior testing were noted with TSA treatment, but mildly impaired cognitive function was noted with valproate-treated injured animals compared to normal animals. Significant increases in DG neurogenesis with both TSA and valproate treatment were noted with later administration of BrdU. Increased mortality and impaired weight gain was noted in the valproate-treated ligated animals, but not in the TSA-treated animals. In summary, the impact of histone deacetylase (HDAC) inhibition upon post-stroke subgranular zone neurogenesis is likely to depend on the age of the animal at the time point when neurogenesis is assessed, duration of HDAC inhibition before BrdU labeling, and/or the stage in the evolution of the injury.
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Affiliation(s)
- Shanu George
- Department of Neurology and Developmental Medicine, Hugo Moser Kennedy Krieger Research Institute Baltimore, MD, USA
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Al Faraj A, Fauvelle F, Luciani N, Lacroix G, Levy M, Crémillieux Y, Canet-Soulas E. In vivo biodistribution and biological impact of injected carbon nanotubes using magnetic resonance techniques. Int J Nanomedicine 2011; 6:351-61. [PMID: 21499425 PMCID: PMC3075901 DOI: 10.2147/ijn.s16653] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2011] [Indexed: 11/29/2022] Open
Abstract
Background: Single-walled carbon nanotubes (SWCNT) hold promise for applications as contrast agents and target delivery carriers in the field of nanomedicine. When administered in vivo, their biodistribution and pharmacological profile needs to be fully characterized. The tissue distribution of carbon nanotubes and their potential impact on metabolism depend on their shape, coating, and metallic impurities. Because standard radiolabeled or fluorescently-labeled pharmaceuticals are not well suited for long-term in vivo follow-up of carbon nanotubes, alternative methods are required. Methods: In this study, noninvasive in vivo magnetic resonance imaging (MRI) investigations combined with high-resolution magic angle spinning (HR-MAS), Raman spectroscopy, iron assays, and histological analysis ex vivo were proposed and applied to assess the biodistribution and biological impact of intravenously injected pristine (raw and purified) and functionalized SWCNT in a 2-week longitudinal study. Iron impurities allowed raw detection of SWCNT in vivo by susceptibility-weighted MRI. Results: A transitional accumulation in the spleen and liver was observed by MRI. Raman spectroscopy, iron assays, and histological findings confirmed the MRI readouts. Moreover, no acute toxicological effect on the liver metabolic profile was observed using the HR-MAS technique, as confirmed by quantitative real-time polymerase chain reaction analysis. Conclusion: This study illustrates the potential of noninvasive MRI protocols for longitudinal assessment of the biodistribution of SWCNT with associated intrinsic metal impurities. The same approach can be used for any other magnetically-labeled nanoparticles.
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Trevisan A, Nicolli A, Chiara F. Are rats the appropriate experimental model to understand age-related renal drug metabolism and toxicity? Expert Opin Drug Metab Toxicol 2010; 6:1451-9. [DOI: 10.1517/17425255.2010.531701] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Mendrick DL, Schnackenberg L. Genomic and metabolomic advances in the identification of disease and adverse event biomarkers. Biomark Med 2010; 3:605-15. [PMID: 20477528 DOI: 10.2217/bmm.09.43] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Incomplete knowledge of tissue pathogenesis is hampering the identification of biomarkers for the appropriate therapeutic targets to prevent or inhibit disease processes, and the prediction and diagnosis of injury due to disease and adverse events of drug therapy. The revolution in genomics and metabolomics, combined with advanced bioinformatics and computational methods for mining such large, complex data sets, are beginning to provide critical insights into tissue injury. Such results will move us closer to the promise of personalized medicine.
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Affiliation(s)
- Donna L Mendrick
- Division of Systems Toxicology, HFT-230, National Center for Toxicological Research, US FDA, 3900 NCTR Road, Jefferson, AR 72079-4502, USA.
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Espandiari P, Rosenzweig B, Zhang J, Zhou Y, Schnackenberg L, Vaidya VS, Goering PL, Brown RP, Bonventre JV, Mahjoob K, Holland RD, Beger RD, Thompson K, Hanig J, Sadrieh N. Age-related differences in susceptibility to cisplatin-induced renal toxicity. J Appl Toxicol 2010; 30:172-82. [PMID: 19839026 DOI: 10.1002/jat.1484] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Limited experimental models exist to assess drug toxicity in pediatric populations. We recently reported how a multi-age rat model could be used for pre-clinical studies of comparative drug toxicity in pediatric populations. The objective of this study was to expand the utility of this animal model, which previously demonstrated an age-dependent sensitivity to the classic nephrotoxic compound, gentamicin, to another nephrotoxicant, namely cisplatin (Cis). Sprague-Dawley rats (10, 25, 40 and 80 days old) were injected with a single dose of Cis (0, 1, 3 or 6 mg kg(-1) i.p.). Urine samples were collected prior and up to 72 h after treatment in animals that were >or= 25 days old. Several serum, urinary and 'omic' injury biomarkers as well as renal histopathology lesions were evaluated. Statistically significant changes were noted with different injury biomarkers in different age groups. The order of age-related Cis-induced nephrotoxicity was different than our previous study with gentamicin: 80 > 40 > 10 > 25 day-old vs 10 >or= 80 > 40 > 25-day-old rats, respectively. The increased levels of kidney injury molecule-1 (Kim-1: urinary protein/tissue mRNA) provided evidence of early Cis-induced nephrotoxicity in the most sensitive age group (80 days old). Levels of Kim-1 tissue mRNA and urinary protein were significantly correlated to each other and to the severity of renal histopathology lesions. These data indicate that the multi-age rat model can be used to demonstrate different age-related sensitivities to renal injury using mechanistically distinct nephrotoxicants, which is reflected in measurements of a variety of metabolite, gene transcript and protein biomarkers.
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Affiliation(s)
- P Espandiari
- Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA.
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Beger RD, Sun J, Schnackenberg LK. Metabolomics approaches for discovering biomarkers of drug-induced hepatotoxicity and nephrotoxicity. Toxicol Appl Pharmacol 2010; 243:154-66. [DOI: 10.1016/j.taap.2009.11.019] [Citation(s) in RCA: 150] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2009] [Revised: 11/10/2009] [Accepted: 11/13/2009] [Indexed: 12/23/2022]
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Study of valproic acid-induced endogenous and exogenous metabolite alterations using LC–MS-based metabolomics. Bioanalysis 2010; 2:207-16. [DOI: 10.4155/bio.09.173] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Valproic acid (VPA; an anticonvulsant drug) therapy is associated with hepatotoxicity as well as renal toxicity. An LC–MS-based metabolomics approach was undertaken in order to detect urinary VPA metabolites and to discover early biomarkers of the adverse effects induced by VPA. Results: CD-1 mice were either subcutaneously injected with 600-mg VPA/kg body weight or vehicle only, and urine samples were collected at 6, 12, 24 and 48 h postinjection. A metabolomics approach combined with principal component analysis was utilized to identify VPA-related metabolites and altered endogenous metabolites in urine. Some VPA metabolites indicated potential liver toxicity caused by VPA administration. Additionally, some altered endogenous metabolites suggested that renal function might be perturbed by VPA dosing. Conclusion: LC–MS-based metabolomics is capable of rapidly profiling VPA drug metabolites and is a powerful tool for the discovery of potential early biomarkers related to perturbations in liver and kidney function.
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Zhang J, Goering PL, Espandiari P, Shaw M, Bonventre JV, Vaidya VS, Brown RP, Keenan J, Kilty CG, Sadrieh N, Hanig JP. Differences in immunolocalization of Kim-1, RPA-1, and RPA-2 in kidneys of gentamicin-, cisplatin-, and valproic acid-treated rats: potential role of iNOS and nitrotyrosine. Toxicol Pathol 2009; 37:629-43. [PMID: 19535489 DOI: 10.1177/0192623309339605] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The present study compared the immunolocalization of Kim-1, renal papillary antigen (RPA)-1, and RPA-2 with that of inducible nitric oxide synthase (iNOS) and nitrotyrosine in kidneys of gentamicin sulfate (Gen)- and cisplatin (Cis)-treated rats. The specificity of acute kidney injury (AKI) biomarkers, iNOS, and nitrotyrosine was evaluated by dosing rats with valproic acid (VPA). Sprague-Dawley (SD) rats were injected subcutaneously (sc) with 100 mg/kg/day of Gen for six or fourteen days; a single intraperitoneal (ip) dose of 1, 3, or 6 mg/kg of Cis; or 650 mg/kg/day of VPA (ip) for four days. In Gen-treated rats, Kim-1 was expressed in the epithelial cells, mainly in the S1/S2 segments but less so in the S3 segment, and RPA-1 was increased in the epithelial cells of collecting ducts (CD) in the cortex. Spatial expression of iNOS or nitrotyrosine with Kim-1 or RPA-1 was detected. In Cis-treated rats, Kim-1 was expressed only in the S3 segment cells, and RPA-1 and RPA-2 were increased in the epithelial cells of medullary CD or medullary loop of Henle (LH), respectively. Spatial expression of iNOS or nitrotyrosine with RPA-1 or RPA-2 was also identified. These findings suggest that peroxynitrite formation may be involved in the pathogenesis of Gen and Cis nephrotoxicity and that Kim-1, RPA-1, and RPA-2 have the potential to serve as site-specific biomarkers for Gen or Cis AKI.
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Affiliation(s)
- Jun Zhang
- Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland 20993-0002, USA.
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Schnackenberg LK, Chen M, Sun J, Holland RD, Dragan Y, Tong W, Welsh W, Beger RD. Evaluations of the trans-sulfuration pathway in multiple liver toxicity studies. Toxicol Appl Pharmacol 2009; 235:25-32. [DOI: 10.1016/j.taap.2008.11.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2008] [Revised: 11/13/2008] [Accepted: 11/20/2008] [Indexed: 10/21/2022]
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