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Oda S, Yokoi T. Recent progress in the use of microRNAs as biomarkers for drug-induced toxicities in contrast to traditional biomarkers: A comparative review. Drug Metab Pharmacokinet 2021; 37:100372. [PMID: 33461055 DOI: 10.1016/j.dmpk.2020.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/19/2020] [Accepted: 11/23/2020] [Indexed: 02/09/2023]
Abstract
microRNAs (miRNAs) are small non-coding RNAs with 18-25 nucleotides. They play key regulatory roles in versatile biological process including development and apoptosis, and in disease pathogenesis, for example carcinogenesis, by negatively regulating gene expression. miRNAs often exhibit characteristics suitable for biomarkers such as tissue-specific expression patterns, high stability in serum/plasma, and change in abundance in circulation immediately after toxic injury. Since the discovery of circulating miRNAs in extracellular biological fluids in 2008, there have been many reports on the use of miRNAs as biomarkers for various diseases including cancer and organ injury in humans and experimental animals. In this review article, we have summarized the utility and limitation of circulating miRNAs as safety/toxicology biomarkers for specific tissue injuries including liver, skeletal muscle, heart, retina, and pancreas, by comparing them with conventional protein biomarkers. We have also covered the discovery of miRNAs in serum/plasma and their stability, the knowledge of which is essential for understanding the kinetics of miRNA biomarkers. Since numerous studies have reported the use of these circulating miRNAs as safety biomarkers with high sensitivity and specificity, we believe that circulating miRNAs can promote pre-clinical drug development and improve the monitoring of tissue injuries in clinical pharmacotherapy.
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Affiliation(s)
- Shingo Oda
- Department of Drug Safety Sciences, Division of Clinical Pharmacology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan.
| | - Tsuyoshi Yokoi
- Department of Drug Safety Sciences, Division of Clinical Pharmacology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
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2
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Sinha S, Ahire D, Wagh S, Mullick D, Sistla R, Selvakumar K, Cortes JC, Putlur SP, Mandlekar S, Johnson BM. Electrophilicity of pyridazine-3-carbonitrile, pyrimidine-2-carbonitrile, and pyridine-carbonitrile derivatives: a chemical model to describe the formation of thiazoline derivatives in human liver microsomes. Chem Res Toxicol 2014; 27:2052-61. [PMID: 25372409 DOI: 10.1021/tx500256j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Certain aromatic nitriles are well-known inhibitors of cysteine proteases. The mode of action of these compounds involves the formation of a reversible or irreversible covalent bond between the nitrile and a thiol group in the active site of the enzyme. However, the reactivity of these aromatic nitrile-substituted heterocycles may lead inadvertently to nonspecific interactions with DNA, protein, glutathione, and other endogenous components, resulting in toxicity and complicating the use of these compounds as therapeutic agents. In the present study, the intrinsic reactivity and associated structure-property relationships of cathepsin K inhibitors featuring substituted pyridazines [6-phenylpyridazine-3-carbonitrile, 6-(4-fluorophenyl)pyridazine-3-carbonitrile, 6-(4-methoxyphenyl)pyridazine-3-carbonitrile, 6-p-tolylpyridazine-3-carbonitrile], pyrimidines [5-p-tolylpyrimidine-2-carbonitrile, 5-(4-fluorophenyl)pyrimidine-2-carbonitrile], and pyridines [5-p-tolylpicolinonitrile and 5-(4-fluorophenyl)picolinonitrile] were evaluated using a combination of computational and analytical approaches to establish correlations between electrophilicity and levels of metabolites that were formed in glutathione- and N-acetylcysteine-supplemented human liver microsomes. Metabolites that were characterized in this study featured substituted thiazolines that were formed following rearrangements of transient glutathione and N-acetylcysteine conjugates. Peptidases including γ-glutamyltranspeptidase were shown to catalyze the formation of these products, which were formed to lesser extents in the presence of the selective γ-glutamyltranspeptidase inhibitor acivicin and the nonspecific peptidase inhibitors phenylmethylsulfonyl fluoride and aprotinin. Of the chemical series mentioned above, the pyrimidine series was the most susceptible to metabolism to thiazoline-containing products, followed, in order, by the pyridazine and pyridine series. This trend was in keeping with the diminishing electrophilicity across these series, as demonstrated by in silico modeling. Hence, mechanistic insights gained from this study could be used to assist a medicinal chemistry campaign to design cysteine protease inhibitors that were less prone to the formation of covalent adducts.
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Affiliation(s)
- Sarmistha Sinha
- Pharmaceutical Candidate Optimization, ‡Medicinal Chemistry Department, and §Advanced Biotechnology Department, Biocon Bristol-Myers Squibb R&D Center (BBRC), Syngene International Ltd , Plot No. 2 & 3, Bommasandra IV Phase, Jigani Link Road, Bangalore 560100, India
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Gianazza E, Eberini I, Villa P, Fratelli M, Pinna C, Wait R, Gemeiner M, Miller I. Monitoring the effects of drug treatment in rat models of disease by serum protein analysis. J Chromatogr B Analyt Technol Biomed Life Sci 2002; 771:107-30. [PMID: 12015995 DOI: 10.1016/s0378-4347(01)00562-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
In this review we list from literature investigations on rat serum proteins using electrophoretic techniques in connection with drug testing. From our own research work, we provide annotated two-dimensional maps of rat serum proteins under control and experimental conditions. Emphasis is on species-specific components and on the effects of acute and chronic inflammation. We discuss our project of structural proteomics on rat serum as a minimally invasive approach to pharmacological investigation, and we outline a typical experimental plan for drug testing according to the above guidelines. We then report in detail on the results of our trials of anti-inflammatory drugs on adjuvant arthritis, an animal model of disease resembling in many aspects human rheumatoid arthritis. We demonstrate a correlation between biochemical parameters and therapeutic findings and outline the advantages of the chosen methodological approach, which proved also sensitive in revealing "side effects" of the test drugs. In an appendix we describe our experimental protocol when performing two-dimensional electrophoresis of rat serum.
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Affiliation(s)
- Elisabetta Gianazza
- Dipartimento di Scienze Farmacologiche, Università degli Studi di Milano via Balzaretti 9, I-20133 Milan, Italy.
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Antoine B, Boutin JA, Siest G. Heterogeneity of hepatic UDP-glucuronosyltransferase activities: investigations of isoenzymes involved in p-nitrophenol glucuronidation. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. C, COMPARATIVE PHARMACOLOGY AND TOXICOLOGY 1993; 106:241-8. [PMID: 7903616 DOI: 10.1016/0742-8413(93)90278-s] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
1. UDP-Glucuronosyltransferase (UGT, EC 2.1.4.17) has been measured routinely with para-nitrophenol (pNP) because the UGT assay using this substrate is easy to assess and run. 2. This compound has been used in several studies as a substrate for purification of the enzyme. 3. In the present work, we characterize the para-nitrophenol-conjugating activity. 4. An analysis of kinetics of para-nitrophenol conjugation obtained from various biological sources (various tissues and various species) leads us to the conclusion that at least three isoenzymes are responsible for this activity in the rat. 5. Both UGT-(testosterone) and the 3-methylcholanthrene-inducible form previously described in the literature, may be responsible for the activity, whilst a highly specific form (UGT-phenol) is reported here for the first time. 6. This work is intended to lay down the basis of further investigations, including purification of the highly specific isoform.
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Anderson NL, Esquer-Blasco R, Hofmann JP, Anderson NG. A two-dimensional gel database of rat liver proteins useful in gene regulation and drug effects studies. Electrophoresis 1991; 12:907-30. [PMID: 1724422 DOI: 10.1002/elps.1150121110] [Citation(s) in RCA: 129] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A standard two-dimensional (2-D) protein map of Fischer 344 rat liver (F344MST3) is presented, with a tabular listing of more than 1200 protein species. Sodium dodecyl sulfate (SDS) molecular mass and isoelectric point have been established, based on positions of numerous internal standards. This map has been used to connect and compare hundreds of 2-D gels of rat liver samples from a variety of studies, and forms the nucleus of an expanding database describing rat liver proteins and their regulation by various drugs and toxic agents. An example of such a study, involving regulation of cholesterol synthesis by cholesterol-lowering drugs and a high-cholesterol diet, is presented. Since the map has been obtained with a widely used and highly reproducible 2-D gel system (the Iso-Dalt system), it can be directly related to an expanding body of work in other laboratories.
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Affiliation(s)
- N L Anderson
- Large Scale Biology Corporation, Rockville, MD 20850
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Kretzschmar M, Machnik G, Müller A, Splinter FK, Zimmermann T, Klinger W. Experimental treatment of thioacetamide-induced liver cirrhosis by metenolone acetate. A morphological and biochemical study. EXPERIMENTAL PATHOLOGY 1991; 42:37-46. [PMID: 1679020 DOI: 10.1016/s0232-1513(11)80036-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The influence of metenolone acetate (1 mg/kg b.m. orally) on intact and chronically thioacetamide-injured rat liver (experimental liver cirrhosis) was investigated over 14 d. Histological examination revealed nodular transformation of liver structure according to cirrhosis like lesions with hepatocellular and cholangiocellular proliferations. These structural alterations were more serious in the group treated with metenolone compared with the group without metenolone. Metanolone administration to animals with thioacetamide-induced experimental liver cirrhosis led to an increase in liver injury. This treatment seems to promote hepatic preneoplastic lesions induced by thioacetamide reflected by histology and induction of gamma-glutamyltranspeptidase and 7-ethoxycoumarin O-deethylase in injured livers. Metenolone did not interfere directly with the processes of connective tissue synthesis and degradation after thioacetamide pretreatment. Only little changes of the investigated biochemical parameters were seen after metenolone administration to animals with intact liver function: increases in serum cholinesterase and tissue N-acetyl-beta-D-glucosaminidase activity; decreases in N-acetyl-beta-D-glucosaminidase in serum, liver hydroxyproline content and hepatic gamma-glutamyltranspeptidase activity. The observed changes reflect hepatic adaption processes under the influence of metenolone. The results of this study indicate that the risk of anabolic steroids in adjuvant therapy of liver cirrhosis cannot be calculated at present.
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Affiliation(s)
- M Kretzschmar
- Institute of Pharmacology and Toxicology, Friedrich Schiller University Jena F.R.G
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Kretzschmar M, Klinger W. The hepatic glutathione system--influences of xenobiotics. EXPERIMENTAL PATHOLOGY 1990; 38:145-64. [PMID: 2192911 DOI: 10.1016/s0232-1513(11)80201-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The hepatic glutathione (GSH) system and the influences of xenobiotics have been reviewed. Key steps in the regulation of hepatic GSH are GSH biosynthesis, the GSH-peroxidase/reductase cycle, the cystathionine pathway, and the carrier-mediated export processes. Influences of xenobiotics on these different pathways are discussed. Xenobiotics may lead to liver injury after biotransformation to highly reactive electrophilic metabolites (mainly cytochrome P-450 mediated), which easily conjugate with GSH, thus producing GSH depletion. This GSH depletion and probably an additional loss of protein sulfhydryl groups cause a disturbance of the intracellular calcium homeostasis which leads to an irreversible cell injury. The different acinar distribution of cytochromes P-450 and of GSH and GSH-related detoxication pathways points to a greater susceptibility of perivenous hepatocytes to xenobiotic-induced damage. Also, the intracellular compartmentation of GSH is important for the understanding of hepatocellular injury induced by several xenobiotics.
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Affiliation(s)
- M Kretzschmar
- Institute of Pharmacology and Toxicology, Friedrich Schiller University, Jena, GDR
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Antoine B, Visvikis A, Thioudellet C, Rahimi-Pour A, Strazielle N, Wellman M, Siest G. Electrophoretic mobility of gamma-glutamyltransferase in rat liver subcellular fractions. Evidence for structure difference from the kidney enzyme. Biochem J 1989; 262:535-9. [PMID: 2572220 PMCID: PMC1133301 DOI: 10.1042/bj2620535] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Adult rat liver gamma-glutamyltransferase (GGT) has been poorly characterized because of its very low concentration in the tissue. In contrast with the kidney, the liver enzyme is inducible by some xenobiotics, and its relationship to hepatic ontogeny and carcinogenesis seems to be important. Liver GGT polypeptides were identified by immunoblot analysis in subcellular fractions (rough endoplasmic reticulum, smooth endoplasmic reticulum, Golgi membranes and plasma membranes). Rat liver GGT appeared as a series of polypeptides corresponding to different maturation steps. Polypeptides related to the heavy subunit of GGT were detected in rough endoplasmic reticulum at 49, 53 and 55 kDa, and in Golgi membranes at 55, 60 and 66 kDa. Two polypeptides related to the light subunit of GGT were also observed in Golgi membranes. In plasma membranes GGT was composed of 100 kDa, 66 kDa and 31 kDa polypeptides. The 66 kDa component could correspond to the heavy subunit of the rat liver enzyme, and if so has a molecular mass higher than that of the purified rat kidney form of GGT (papain-treated). These data suggest different peptide backbones for the heavy subunits of liver GGT and kidney GGT.
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Affiliation(s)
- B Antoine
- Centre du Médicament, U.R.A. C.N.R.S. 597, Nancy, France
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Siest G, Fournel-Gigleux S, Magdalou J, Bagrel D. Cellular and molecular aspects of UDP-glucuronosyltransferases. Drug Metab Rev 1989; 20:721-31. [PMID: 2509185 DOI: 10.3109/03602538909103573] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- G Siest
- Centre du Médicament, U.R.A. CNRS n 597, Nancy, France
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Pitot HC, Goodspeed D, Dunn T, Hendrich S, Maronpot RR, Moran S. Regulation of the expression of some genes for enzymes of glutathione metabolism in hepatotoxicity and hepatocarcinogenesis. Toxicol Appl Pharmacol 1989; 97:23-34. [PMID: 2563599 DOI: 10.1016/0041-008x(89)90052-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The reversible stage of tumor promotion, which follows the stage of initiation and precedes that of progression in multistage carcinogenesis, is a unique example of reversible toxicity in biological systems. In order to study the molecular mechanisms involved in the action of promoting agents during this stage, the regulation of the expression of genes for two enzymes of glutathione metabolism, gamma-glutamyl transpeptidase (GGT) and the placental isozyme of glutathione S-transferase (GST-P), was studied under several different conditions of promotion during multistage hepatocarcinogenesis in the rat. Promotion by phenobarbital caused an increased expression of both of these genes in altered hepatic focal lesions, although this was somewhat more variable in the case of the GGT gene. C.I. Solvent Yellow 14, an industrial dye, served as an effective promoting agent. Feeding this dye resulted in a dramatic increase in the expression of GST-P, but not that of GGT in altered hepatic foci. Factors in crude, cereal-based diets inhibited the stage of promotion by diethylnitrosamine, but enhanced promotion by phenobarbital in a synergistic manner. In contrast, at least one purified diet had the converse effect during this stage. The mRNA levels of GST-P were uniformly elevated dramatically in reversible nodules and neoplasms of rat liver that had been induced by diethylnitrosamine and phenobarbital promotion. In contrast, the level of GGT mRNA was somewhat variable, with an occasional neoplasm exhibiting almost a background level of expression of this gene. Therefore, the altered regulation of multiple genes in hepatocytes during the stage of promotion can vary with the promoting agent itself; this process may be related to the heterogeneous gene expression seen in hepatic neoplasms. A possible role for specific DNA sequences in the 5' flanking regions of such genes is considered. In addition, a cDNA clone to the mRNA of human liver GGT was isolated and sequenced. The homology of the coding sequence of the human liver GGT mRNA to that of rat kidney GGT mRNA was striking.
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Affiliation(s)
- H C Pitot
- McArdle Laboratory for Cancer Research, Department of Oncology, Medical School, University of Wisconsin, Madison 53706
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