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Pauletto M, Giantin M, Tolosi R, Bassan I, Barbarossa A, Zaghini A, Dacasto M. Curcumin Mitigates AFB1-Induced Hepatic Toxicity by Triggering Cattle Antioxidant and Anti-inflammatory Pathways: A Whole Transcriptomic In Vitro Study. Antioxidants (Basel) 2020; 9:antiox9111059. [PMID: 33137966 PMCID: PMC7692341 DOI: 10.3390/antiox9111059] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/23/2020] [Accepted: 10/27/2020] [Indexed: 12/12/2022] Open
Abstract
Aflatoxin B1 (AFB1) toxicity in livestock and human beings is a major economic and health concern. Natural polyphenolic substances with antioxidant properties have proven to be effective in ameliorating AFB1-induced toxicity. Here we assessed the potential anti-AFB1 activity of curcumin (pure curcumin, C, and curcumin from Curcuma longa, CL) in a bovine fetal hepatocyte-derived cell line (BFH12). First, we measured viability of cells exposed to AFB1 in presence or absence of curcumin treatment. Then, we explored all the transcriptional changes occurring in AFB1-exposed cells cotreated with curcumin. Results demonstrated that curcumin is effective in reducing AFB1-induced toxicity, decreasing cells mortality by approximately 30%. C and CL induced similar transcriptional changes in BFH12 exposed to AFB1, yet C treatment resulted in a larger number of significant genes compared to CL. The mitigating effects of curcuminoids towards AFB1 toxicity were mainly related to molecular pathways associated with antioxidant and anti-inflammatory response, cancer, and drug metabolism. Investigating mRNA changes induced by curcumin in cattle BFH12 cells exposed to AFB1 will help us to better characterize possible tools to reduce its consequences in this susceptible and economically important food-producing species.
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Affiliation(s)
- Marianna Pauletto
- Division of Pharmacology and Toxicology, Department of Comparative Biomedicine and Food Science, University of Padova, viale dell’Università 16, Legnaro, 35020 Padova, Italy; (M.P.); (M.G.); (R.T.); (I.B.)
| | - Mery Giantin
- Division of Pharmacology and Toxicology, Department of Comparative Biomedicine and Food Science, University of Padova, viale dell’Università 16, Legnaro, 35020 Padova, Italy; (M.P.); (M.G.); (R.T.); (I.B.)
| | - Roberta Tolosi
- Division of Pharmacology and Toxicology, Department of Comparative Biomedicine and Food Science, University of Padova, viale dell’Università 16, Legnaro, 35020 Padova, Italy; (M.P.); (M.G.); (R.T.); (I.B.)
| | - Irene Bassan
- Division of Pharmacology and Toxicology, Department of Comparative Biomedicine and Food Science, University of Padova, viale dell’Università 16, Legnaro, 35020 Padova, Italy; (M.P.); (M.G.); (R.T.); (I.B.)
| | - Andrea Barbarossa
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra 50, Ozzano dell’Emilia, 40064 Bologna, Italy; (A.B.); (A.Z.)
| | - Anna Zaghini
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra 50, Ozzano dell’Emilia, 40064 Bologna, Italy; (A.B.); (A.Z.)
| | - Mauro Dacasto
- Division of Pharmacology and Toxicology, Department of Comparative Biomedicine and Food Science, University of Padova, viale dell’Università 16, Legnaro, 35020 Padova, Italy; (M.P.); (M.G.); (R.T.); (I.B.)
- Correspondence: ; Tel.: +39-049-827-2935
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Pauletto M, Tolosi R, Dacasto M, Giantin M. Missense single nucleotide variants affecting CYP3A catalytic activity are present in Limousine cattle. ITALIAN JOURNAL OF ANIMAL SCIENCE 2020. [DOI: 10.1080/1828051x.2020.1808100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Marianna Pauletto
- Dipartimento di Biomedicina Comparata e Alimentazione, Area di Farmacologia e Tossicologia Veterinaria, Università di Padova, Padova, Italy
| | - Roberta Tolosi
- Dipartimento di Biomedicina Comparata e Alimentazione, Area di Farmacologia e Tossicologia Veterinaria, Università di Padova, Padova, Italy
| | - Mauro Dacasto
- Dipartimento di Biomedicina Comparata e Alimentazione, Area di Farmacologia e Tossicologia Veterinaria, Università di Padova, Padova, Italy
| | - Mery Giantin
- Dipartimento di Biomedicina Comparata e Alimentazione, Area di Farmacologia e Tossicologia Veterinaria, Università di Padova, Padova, Italy
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Functional impact of cytochrome P450 3A (CYP3A) missense variants in cattle. Sci Rep 2019; 9:19672. [PMID: 31873175 PMCID: PMC6927969 DOI: 10.1038/s41598-019-56271-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 12/09/2019] [Indexed: 12/26/2022] Open
Abstract
Cytochrome P450 3A is the most important CYP subfamily in humans, and CYP3A4/CYP3A5 genetic variants contribute to inter-individual variability in drug metabolism. However, no information is available for bovine CYP3A (bCYP3A). Here we described bCYP3A missense single nucleotide variants (SNVs) and evaluated their functional effects. CYP3A28, CYP3A38 and CYP3A48 missense SNVs were identified in 300 bulls of Piedmontese breed through targeted sequencing. Wild-type and mutant bCYP3A cDNAs were cloned and expressed in V79 cells. CYP3A-dependent oxidative metabolism of testosterone (TST) and nifedipine (NIF) was assessed by LC-MS/MS. Finally, SNVs functional impact on TST hydroxylation was measured ex vivo in liver microsomes from individually genotyped animals. Thirteen missense SNVs were identified and validated. Five variants showed differences in CYP3A catalytic activity: three CYP3A28 SNVs reduced TST 6β-hydroxylation; one CYP3A38 variant increased TST 16β-hydroxylation, while a CYP3A48 SNV showed enhanced NIF oxidation. Individuals homozygous for rs384467435 SNV showed a reduced TST 6β-hydroxylation. Molecular modelling showed that most of SNVs were distal to CYP3A active site, suggesting indirect effects on the catalytic activity. Collectively, these findings demonstrate the importance of pharmacogenetics studies in veterinary species and suggest bCYP3A genotype variation might affect the fate of xenobiotics in food-producing species such as cattle.
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Mote RS, Hill NS, Uppal K, Tran VT, Jones DP, Filipov NM. Metabolomics of fescue toxicosis in grazing beef steers. Food Chem Toxicol 2017; 105:285-299. [PMID: 28428084 DOI: 10.1016/j.fct.2017.04.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 03/25/2017] [Accepted: 04/16/2017] [Indexed: 12/25/2022]
Abstract
Fescue toxicosis (FT) results from consumption of tall fescue (Lolium arundinaceum) infected with an endophyte (Epichloë coenophiala) that produces ergot alkaloids (EA), which are considered key etiological agents of FT. Decreased weight gains, hormonal imbalance, circulating cholesterol disruption, and decreased volatile fatty acid absorption suggest toxic (E+) fescue-induced metabolic perturbations. Employing untargeted high-resolution metabolomics (HRM) to analyze E+ grazing-induced plasma and urine metabolome changes, fescue-naïve Angus steers were placed on E+ or non-toxic (Max-Q) fescue pastures and plasma and urine were sampled before, 1, 2, 14, and 28 days after pasture assignment. Plasma and urine catecholamines and urinary EA concentrations were also measured. In E+ steers, urinary EA appeared early and peaked at 14 days. 13,090 urinary and 20,908 plasma HRM features were detected; the most significant effects were observed earlier (2 days) in the urine and later (≥14 days) in the plasma. Alongside EA metabolite detection, tryptophan and lipid metabolism disruption were among the main consequences of E+ consumption. The E+ grazing-associated metabolic pathways and signatures described herein may accelerate development of novel early FT detection and treatment strategies.
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Affiliation(s)
- Ryan S Mote
- Interdisciplinary Toxicology Program, University of Georgia, Athens, GA, USA; Department of Physiology and Pharmacology, University of Georgia, Athens, GA, USA
| | - Nicholas S Hill
- Department of Crop and Soil Sciences, University of Georgia, Athens, GA, USA
| | - Karan Uppal
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Emory University, Atlanta, GA, USA
| | - ViLinh T Tran
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Emory University, Atlanta, GA, USA
| | - Dean P Jones
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Emory University, Atlanta, GA, USA
| | - Nikolay M Filipov
- Interdisciplinary Toxicology Program, University of Georgia, Athens, GA, USA; Department of Physiology and Pharmacology, University of Georgia, Athens, GA, USA.
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Klotz JL, Smith DL. Recent investigations of ergot alkaloids incorporated into plant and/or animal systems. Front Chem 2015; 3:23. [PMID: 25859540 PMCID: PMC4373371 DOI: 10.3389/fchem.2015.00023] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 03/09/2015] [Indexed: 11/13/2022] Open
Affiliation(s)
- James L Klotz
- Forage-Animal Production Research Unit, United States Department of Agriculture-Agricultural Research Service Lexington, KY, USA
| | - Darrin L Smith
- Department of Chemistry, Eastern Kentucky University Richmond, KY, USA
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