1
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Kang S, Chen EC, Cifuentes H, Co JY, Cole G, Graham J, Hsia R, Kiyota T, Klein JA, Kroll KT, Nieves Lopez LM, Norona LM, Peiris H, Potla R, Romero-Lopez M, Roth JG, Tseng M, Fullerton AM, Homan KA. Complex in vitromodels positioned for impact to drug testing in pharma: a review. Biofabrication 2024; 16:042006. [PMID: 39189069 DOI: 10.1088/1758-5090/ad6933] [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: 12/22/2023] [Accepted: 07/30/2024] [Indexed: 08/28/2024]
Abstract
Recent years have seen the creation and popularization of various complexin vitromodels (CIVMs), such as organoids and organs-on-chip, as a technology with the potential to reduce animal usage in pharma while also enhancing our ability to create safe and efficacious drugs for patients. Public awareness of CIVMs has increased, in part, due to the recent passage of the FDA Modernization Act 2.0. This visibility is expected to spur deeper investment in and adoption of such models. Thus, end-users and model developers alike require a framework to both understand the readiness of current models to enter the drug development process, and to assess upcoming models for the same. This review presents such a framework for model selection based on comparative -omics data (which we term model-omics), and metrics for qualification of specific test assays that a model may support that we term context-of-use (COU) assays. We surveyed existing healthy tissue models and assays for ten drug development-critical organs of the body, and provide evaluations of readiness and suggestions for improving model-omics and COU assays for each. In whole, this review comes from a pharma perspective, and seeks to provide an evaluation of where CIVMs are poised for maximum impact in the drug development process, and a roadmap for realizing that potential.
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Affiliation(s)
- Serah Kang
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Eugene C Chen
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Helen Cifuentes
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Julia Y Co
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Gabrielle Cole
- Investigative Toxicology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Jessica Graham
- Product Quality & Occupational Toxicology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of Americaica
| | - Rebecca Hsia
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Tomomi Kiyota
- Investigative Toxicology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Jessica A Klein
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Katharina T Kroll
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Lenitza M Nieves Lopez
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Leah M Norona
- Investigative Toxicology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Heshan Peiris
- Human Genetics, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Ratnakar Potla
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Monica Romero-Lopez
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Julien G Roth
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Min Tseng
- Investigative Toxicology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Aaron M Fullerton
- Investigative Toxicology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
| | - Kimberly A Homan
- Complex in vitro Systems Group, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States of America
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Arakawa H, Higuchi D, Takahashi E, Matsushita K, Nedachi S, Peng H, Kadoguchi M, Morimura K, Araki A, Kondo M, Ishiguro N, Jimbo Y, Tamai I. Three-dimensional Culture of Human Proximal Tubular Epithelial Cells for an in vitro Evaluation of Drug-induced Kidney Injury. J Pharm Sci 2024:S0022-3549(24)00312-5. [PMID: 39153661 DOI: 10.1016/j.xphs.2024.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 08/12/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Drug-induced kidney injury (DIKI) is the major cause of acute kidney injury (AKI). Renal proximal tubular epithelial cells (RPTECs) are the primary target sites of DIKI and express transporters involved in renal drug disposition. In the present study, we focused on three-dimensionally cultured human RPTECs (3D-RPTECs) with elevated expression of drug transporters to investigate their utility in DIKI evaluation. Intracellular ATP levels in 3D-RPTECs are reduced by tenofovir and cisplatin that are substrates of an organic anion transporter 1 and an organic cation transporter 2, respectively. In addition, 3D-RPTECs were exposed to 17 and 15 drugs that are positive and negative to RPTEC toxicity, respectively, for up to 28 d. The 20 % decreasing concentration of drugs for ATP amount (EC20) was obtained, and the ratio of EC20 values and clinical maximum concentration (Cmax) ≤100 were used as cut-off value to evaluate potential of DIKI. The sensitivities of 3D-RPTECs were 82.4 % and 88.2 % after 7 d and 28 d of drug exposure, respectively, and the specificities were 100 % and 93.3 %, respectively. The predictive performance of 3D-RPTECs was higher than that of two-dimensional cultured RPTECs and the kidney cell line HK-2. In conclusion, 3D-RPTECs are useful for in vitro evaluation of RPTEC injury by measuring intracellular ATP levels.
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Affiliation(s)
- Hiroshi Arakawa
- Faculty of Pharmaceutical Sciences, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
| | - Daichi Higuchi
- Faculty of Pharmaceutical Sciences, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Etsushi Takahashi
- R &D Department, Precision Engineering Center, Industrial Division, Nikkiso Co. Ltd, Japan
| | - Kohei Matsushita
- Division of Pathology, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan
| | - Shiho Nedachi
- Faculty of Pharmaceutical Sciences, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Hanwei Peng
- Faculty of Pharmaceutical Sciences, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Moeno Kadoguchi
- Faculty of Pharmaceutical Sciences, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Kaoru Morimura
- R &D Department, Precision Engineering Center, Industrial Division, Nikkiso Co. Ltd, Japan
| | - Ayano Araki
- R &D Department, Precision Engineering Center, Industrial Division, Nikkiso Co. Ltd, Japan
| | - Masayuki Kondo
- R &D Department, Precision Engineering Center, Industrial Division, Nikkiso Co. Ltd, Japan
| | - Naoki Ishiguro
- Pharmacokinetics and Non-Clinical Safety Department, Nippon Boehringer Ingelheim Co., Ltd., Kobe, Japan
| | - Yoichi Jimbo
- R &D Department, Precision Engineering Center, Industrial Division, Nikkiso Co. Ltd, Japan
| | - Ikumi Tamai
- Faculty of Pharmaceutical Sciences, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
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Meijer T, da Costa Pereira D, Klatt OC, Buitenhuis J, Jennings P, Wilmes A. Characterization of Organic Anion and Cation Transport in Three Human Renal Proximal Tubular Epithelial Models. Cells 2024; 13:1008. [PMID: 38920639 PMCID: PMC11202273 DOI: 10.3390/cells13121008] [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: 05/24/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024] Open
Abstract
The polarised expression of specific transporters in proximal tubular epithelial cells is important for the renal clearance of many endogenous and exogenous compounds. Thus, ideally, the in vitro tools utilised for predictions would have a similar expression of apical and basolateral xenobiotic transporters as in vivo. Here, we assessed the functionality of organic cation and anion transporters in proximal tubular-like cells (PTL) differentiated from human induced pluripotent stem cells (iPSC), primary human proximal tubular epithelial cells (PTEC), and telomerase-immortalised human renal proximal tubular epithelial cells (RPTEC/TERT1). Organic cation and anion transport were studied using the fluorescent substrates 4-(4-(dimethylamino)styryl)-N-methylpyridinium iodide (ASP) and 6-carboxyfluorescein (6-CF), respectively. The level and rate of intracellular ASP accumulation in PTL following basolateral application were slightly lower but within a 3-fold range compared to primary PTEC and RPTEC/TERT1 cells. The basolateral uptake of ASP and its subsequent apical efflux could be inhibited by basolateral exposure to quinidine in all models. Of the three models, only PTL showed a modest preferential basolateral-to-apical 6-CF transfer. These results show that organic cation transport could be demonstrated in all three models, but more research is needed to improve and optimise organic anion transporter expression and functionality.
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Affiliation(s)
- Tamara Meijer
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (T.M.); (D.d.C.P.); (O.C.K.); (P.J.)
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Daniel da Costa Pereira
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (T.M.); (D.d.C.P.); (O.C.K.); (P.J.)
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Olivia C. Klatt
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (T.M.); (D.d.C.P.); (O.C.K.); (P.J.)
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Joanne Buitenhuis
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (T.M.); (D.d.C.P.); (O.C.K.); (P.J.)
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Paul Jennings
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (T.M.); (D.d.C.P.); (O.C.K.); (P.J.)
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Anja Wilmes
- Department of Chemistry and Pharmaceutical Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (T.M.); (D.d.C.P.); (O.C.K.); (P.J.)
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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Pye K, Tasinato E, Shuttleworth S, Devlin C, Brown C. Comparison of the Impact of VRP-034 and Polymyxin B upon Markers of Kidney Injury in Human Proximal Tubule Monolayers In Vitro. Antibiotics (Basel) 2024; 13:530. [PMID: 38927196 PMCID: PMC11201133 DOI: 10.3390/antibiotics13060530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/01/2024] [Accepted: 06/01/2024] [Indexed: 06/28/2024] Open
Abstract
In this study, we assessed the impact of commercially available polymyxin B against VRP-034 (novel formulation of polymyxin B) using a validated in vitro human renal model, aProximateTM. Freshly isolated primary proximal tubule cells (PTCs) were cultured in Transwell plates and treated with various concentrations of the formulations for up to 48 h. The functional expression of megalin-cubilin receptors in PTC monolayers was validated using FITC-conjugated albumin uptake assays. Polymyxin B and VRP-034 were evaluated at six concentrations (0.3, 1, 3, 10, 30, and 60 µM), and nephrotoxicity was assessed through measurements of transepithelial electrical resistance (TEER), intracellular adenosine triphosphate (ATP) levels, lactate dehydrogenase (LDH) release, and novel injury biomarkers [kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL), and clusterin]. Additionally, histological analysis using annexin V apoptosis staining was performed. Our results indicated a significant decrease in TEER with polymyxin B at concentrations ≥10 μM compared to VRP-034. Toxic effects were observed from ATP and LDH release only at concentrations ≥30 μM for both formulations. Furthermore, injury biomarker release was higher with polymyxin B compared to VRP-034, particularly at concentrations ≥10 µM. Histologically, polymyxin B-treated PTCs showed increased apoptosis compared to VRP-034-treated cells. Overall, VRP-034 demonstrated improved tolerance in the aProximateTM model compared to polymyxin B, suggesting its potential as a safer alternative for renal protection.
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Affiliation(s)
- Keith Pye
- Newcells Biotech Ltd., The Biosphere, Newcastle-upon-Tyne NE4 5BX, UK
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Tsang YP, Hao T, Mao Q, Kelly EJ, Unadkat JD. Dysregulation of the mRNA Expression of Human Renal Drug Transporters by Proinflammatory Cytokines in Primary Human Proximal Tubular Epithelial Cells. Pharmaceutics 2024; 16:285. [PMID: 38399338 PMCID: PMC10893102 DOI: 10.3390/pharmaceutics16020285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
Proinflammatory cytokines, which are elevated during inflammation or infections, can affect drug pharmacokinetics (PK) due to the altered expression or activity of drug transporters and/or metabolizing enzymes. To date, such studies have focused on the effect of cytokines on the activity and/or mRNA expression of hepatic transporters and drug-metabolizing enzymes. However, many antibiotics and antivirals used to treat infections are cleared by renal transporters, including the basal organic cation transporter 2 (OCT2), organic anion transporters 1 and 3 (OAT1 and 3), the apical multidrug and toxin extrusion proteins 1 and 2-K (MATE1/2-K), and multidrug resistance-associated protein 2 and 4 (MRP2/4). Here, we determined the concentration-dependent effect of interleukin-6 (IL-6), IL-1β, tumor necrosis factor (TNF)-α, and interferon-γ (IFN-γ) on the mRNA expression of human renal transporters in freshly isolated primary human renal proximal tubular epithelial cells (PTECs, n = 3-5). PTECs were exposed to either a cocktail of cytokines, each at 0.01, 0.1, 1, or 10 ng/mL or individually at the same concentrations. Exposure to the cytokine cocktail for 48 h was found to significantly downregulate the mRNA expression, in a concentration-dependent manner, of OCT2, the organic anion transporting polypeptides 4C1 (OATP4C1), OAT4, MATE2-K, P-glycoprotein (P-gp), and MRP2 and upregulate the mRNA expression of the organic cation/carnitine transporter 1 (OCTN1) and MRP3. OAT1 and OAT3 also appeared to be significantly downregulated but only at 0.1 and 10 ng/mL, respectively, without a clear concentration-dependent trend. Among the cytokines, IL-1β appeared to be the most potent at down- and upregulating the mRNA expression of the transporters. Taken together, our results demonstrate for the first time that proinflammatory cytokines transcriptionally dysregulate renal drug transporters in PTECs. Such dysregulation could potentially translate into changes in transporter protein abundance or activity and alter renal transporter-mediated drug PK during inflammation or infections.
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Affiliation(s)
| | | | | | | | - Jashvant D. Unadkat
- Department of Pharmaceutics, University of Washington, Seattle, WA 98195, USA; (Y.P.T.); (T.H.); (E.J.K.)
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Pisapia F, O’Brien D, Tasinato E, Garner KL, Brown CDA. Development of a Highly Differentiated Human Primary Proximal Tubule MPS Model (aProximate MPS Flow). Bioengineering (Basel) 2023; 11:7. [PMID: 38275575 PMCID: PMC10813028 DOI: 10.3390/bioengineering11010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 01/27/2024] Open
Abstract
The kidney proximal tubule (PT) mediates renal drug elimination in vivo and is a major site of drug-induced toxicity. To reliably assess drug efficacy, it is crucial to construct a model in which PT functions are replicated. Current animal studies have proven poorly predictive of human outcome. To address this, we developed a physiologically relevant micro-physiological system (MPS) model of the human PT, the aProximate MPS Flow platform (Patent No: G001336.GB). In this model, primary human PT cells (hPTCs) are subjected to fluidic media flow and a shear stress of 0.01-0.2 Pa. We observe that these cells replicate the polarity of hPTCs and exhibit a higher expression of all the key transporters of SLC22A6 (OAT1), SLC22A8 (OAT3), SLC22A2 (OCT2), SLC47A1 (MATE1), SLC22A12 (URAT1), SLC2A9 (GLUT9), ABCB1 (MDR1), ABCC2 (MRP2), LRP2 (megalin), CUBN (cubilin), compared with cells grown under static conditions. Immunofluorescence microscopy confirmed an increase in OAT1, OAT3, and cilia protein expression. Increased sensitivity to nephrotoxic protein cisplatin was observed; creatinine and FITC-albumin uptake was significantly increased under fluidic shear stress conditions. Taken together, these data suggest that growing human PT cells under media flow significantly improves the phenotype and function of hPTC monolayers and has benefits to the utility and near-physiology of the model.
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Affiliation(s)
- Francesca Pisapia
- Newcells Biotech Ltd., The Biosphere, Draymans Way, Newcastle Helix, Newcastle upon Tyne NE4 5BX, UK; (D.O.); (E.T.); (C.D.A.B.)
| | - Donovan O’Brien
- Newcells Biotech Ltd., The Biosphere, Draymans Way, Newcastle Helix, Newcastle upon Tyne NE4 5BX, UK; (D.O.); (E.T.); (C.D.A.B.)
| | - Elena Tasinato
- Newcells Biotech Ltd., The Biosphere, Draymans Way, Newcastle Helix, Newcastle upon Tyne NE4 5BX, UK; (D.O.); (E.T.); (C.D.A.B.)
- Institute of Genetic Medicine, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
| | - Kathryn L. Garner
- Newcells Biotech Ltd., The Biosphere, Draymans Way, Newcastle Helix, Newcastle upon Tyne NE4 5BX, UK; (D.O.); (E.T.); (C.D.A.B.)
| | - Colin D. A. Brown
- Newcells Biotech Ltd., The Biosphere, Draymans Way, Newcastle Helix, Newcastle upon Tyne NE4 5BX, UK; (D.O.); (E.T.); (C.D.A.B.)
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7
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Caetano-Pinto P, Stahl SH. Renal Organic Anion Transporters 1 and 3 In Vitro: Gone but Not Forgotten. Int J Mol Sci 2023; 24:15419. [PMID: 37895098 PMCID: PMC10607849 DOI: 10.3390/ijms242015419] [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: 07/26/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Organic anion transporters 1 and 3 (OAT1 and OAT3) play a crucial role in kidney function by regulating the secretion of multiple renally cleared small molecules and toxic metabolic by-products. Assessing the activity of these transporters is essential for drug development purposes as they can significantly impact drug disposition and safety. OAT1 and OAT3 are amongst the most abundant drug transporters expressed in human renal proximal tubules. However, their expression is lost when cells are isolated and cultured in vitro, which is a persistent issue across all human and animal renal proximal tubule cell models, including primary cells and cell lines. Although it is well known that the overall expression of drug transporters is affected in vitro, the underlying reasons for the loss of OAT1 and OAT3 are still not fully understood. Nonetheless, research into the regulatory mechanisms of these transporters has provided insights into the molecular pathways underlying their expression and activity. In this review, we explore the regulatory mechanisms that govern the expression and activity of OAT1 and OAT3 and investigate the physiological changes that proximal tubule cells undergo and that potentially result in the loss of these transporters. A better understanding of the regulation of these transporters could aid in the development of strategies, such as introducing microfluidic conditions or epigenetic modification inhibitors, to improve their expression and activity in vitro and to create more physiologically relevant models. Consequently, this will enable more accurate assessment for drug development and safety applications.
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Affiliation(s)
- Pedro Caetano-Pinto
- Department of Urology, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475 Greifswald, Germany
| | - Simone H. Stahl
- CVRM Safety, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, 310 Darwin Building, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, UK;
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Pearson A, Gafner S, Rider CV, Embry M, Ferguson SS, Mitchell CA. Plant vs. Kidney: Evaluating Nephrotoxicity of Botanicals with the Latest Toxicological Tools. CURRENT OPINION IN TOXICOLOGY 2022; 32:100371. [PMID: 36311298 PMCID: PMC9601601 DOI: 10.1016/j.cotox.2022.100371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Botanicals can cause nephrotoxicity via numerous mechanisms, including disrupting renal blood flow, damaging compartments along the nephron, and obstructing urinary flow. While uncommon, there are various reports of botanical-induced nephrotoxicity in the literature, such as from aristolochia (Aristolochia spp.) and rhubarb (Rheum spp.). However, at present, it is a challenge to assess the toxic potential of botanicals because their chemical composition is variable due to factors such as growing conditions and extraction techniques. Therefore, selecting a single representative sample for an in vivo study is difficult. Given the increasing use of botanicals as dietary supplements and herbal medicine, new approach methodologies (NAMs) are needed to evaluate the potential for renal toxicity to ensure public safety. Such approaches include in vitro models that use layers of physiological complexity to emulate the in vivo microenvironment, enhance the functional viability and differentiation of cell cultures, and improve sensitivity to nephrotoxic insults. Furthermore, computational tools such as physiologically based pharmacokinetic (PBPK) modeling can add confidence to these tools by simulating absorption, distribution, metabolism, and excretion. The development and implementation of NAMs for renal toxicity testing will allow specific mechanistic data to be generated, leading to a better understanding of the nephrotoxic potential of botanicals.
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Affiliation(s)
- Adam Pearson
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | | | - Cynthia V. Rider
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Michelle Embry
- Health and Environmental Sciences Institute, Washington, DC, USA
| | - Stephen S Ferguson
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
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Chen Y, Lu S, Zhang Y, Chen B, Zhou H, Jiang H. Examination of the emerging role of transporters in the assessment of nephrotoxicity. Expert Opin Drug Metab Toxicol 2022; 18:787-804. [PMID: 36420583 DOI: 10.1080/17425255.2022.2151892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
INTRODUCTION The kidney is vulnerable to various injuries based on its function in the elimination of many xenobiotics, endogenous substances and metabolites. Since transporters are critical for the renal elimination of those substances, it is urgent to understand the emerging role of transporters in nephrotoxicity. AREAS COVERED This review summarizes the contribution of major renal transporters to nephrotoxicity induced by some drugs or toxins; addresses the role of transporter-mediated endogenous metabolic disturbances in nephrotoxicity; and discusses the advantages and disadvantages of in vitro models based on transporter expression and function. EXPERT OPINION Due to the crucial role of transporters in the renal disposition of xenobiotics and endogenous substances, it is necessary to further elucidate their renal transport mechanisms and pay more attention to the underlying relationship between the transport of endogenous substances and nephrotoxicity. Considering the species differences in the expression and function of transporters, and the low expression of transporters in general cell models, in vitro humanized models, such as humanized 3D organoids, shows significant promise in nephrotoxicity prediction and mechanism study.
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Affiliation(s)
- Yujia Chen
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Shuanghui Lu
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Yingqiong Zhang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China.,Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Binxin Chen
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Hui Zhou
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China.,Jinhua Institute of Zhejiang University, Jinhua, P.R. China
| | - Huidi Jiang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China.,Jinhua Institute of Zhejiang University, Jinhua, P.R. China
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Functional Evaluation and Nephrotoxicity Assessment of Human Renal Proximal Tubule Cells on a Chip. BIOSENSORS 2022; 12:bios12090718. [PMID: 36140103 PMCID: PMC9496563 DOI: 10.3390/bios12090718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/17/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022]
Abstract
An in vitro human renal proximal tubule model that represents the proper transporter expression and pronounced epithelial polarization is necessary for the accurate prediction of nephrotoxicity. Here, we constructed a high-throughput human renal proximal tubule model based on an integrated biomimetic array chip (iBAC). Primary human renal proximal tubule epithelial cells (hRPTECs) cultured on this microfluidic platform were able to form a tighter barrier, better transporter function and more sensitive nephrotoxicity prediction than those on the static Transwell. Compared with the human immortalized HK2 model, the hRPTECs model on the chip gained improved apical-basolateral polarization, barrier function and transporter expression. Polymyxin B could induce nephrotoxicity not only from the apical of the hRPTECs, but also from the basolateral side on the iBAC. However, other chemotherapeutic agents, such as doxorubicin and sunitinib, only induced nephrotoxicity from the apical surface of the hRPTECs on the iBAC. In summary, our renal proximal tubule model on the chip exhibits improved epithelial polarization and membrane transporter activity, and can be implemented as an effective nephrotoxicity-screening toolkit.
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11
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Middleton AM, Reynolds J, Cable S, Baltazar MT, Li H, Bevan S, Carmichael PL, Dent MP, Hatherell S, Houghton J, Kukic P, Liddell M, Malcomber S, Nicol B, Park B, Patel H, Scott S, Sparham C, Walker P, White A. Are Non-animal Systemic Safety Assessments Protective? A Toolbox and Workflow. Toxicol Sci 2022; 189:124-147. [PMID: 35822611 PMCID: PMC9412174 DOI: 10.1093/toxsci/kfac068] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
An important question in toxicological risk assessment is whether non-animal new approach methodologies (NAMs) can be used to make safety decisions that are protective of human health, without being overly conservative. In this work, we propose a core NAM toolbox and workflow for conducting systemic safety assessments for adult consumers. We also present an approach for evaluating how protective and useful the toolbox and workflow are by benchmarking against historical safety decisions. The toolbox includes physiologically based kinetic (PBK) models to estimate systemic Cmax levels in humans, and 3 bioactivity platforms, comprising high-throughput transcriptomics, a cell stress panel, and in vitro pharmacological profiling, from which points of departure are estimated. A Bayesian model was developed to quantify the uncertainty in the Cmax estimates depending on how the PBK models were parameterized. The feasibility of the evaluation approach was tested using 24 exposure scenarios from 10 chemicals, some of which would be considered high risk from a consumer goods perspective (eg, drugs that are systemically bioactive) and some low risk (eg, existing food or cosmetic ingredients). Using novel protectiveness and utility metrics, it was shown that up to 69% (9/13) of the low risk scenarios could be identified as such using the toolbox, whilst being protective against all (5/5) the high-risk ones. The results demonstrated how robust safety decisions could be made without using animal data. This work will enable a full evaluation to assess how protective and useful the toolbox and workflow are across a broader range of chemical-exposure scenarios.
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Affiliation(s)
| | - Joe Reynolds
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Sophie Cable
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | | | - Hequn Li
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | | | - Paul L Carmichael
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Matthew Philip Dent
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Sarah Hatherell
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Jade Houghton
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Predrag Kukic
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Mark Liddell
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Sophie Malcomber
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Beate Nicol
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | | | - Hiral Patel
- Charles River Laboratories, Cambridgeshire, CB10 1XL, UK
| | - Sharon Scott
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Chris Sparham
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
| | - Paul Walker
- Cyprotex Discovery Ltd, Cheshire SK10 4TG, UK
| | - Andrew White
- Unilever Safety and Environmental Assurance Centre, Bedfordshire MK44 1LQ, UK
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12
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Interdependent Transcription of a Natural Sense/Antisense Transcripts Pair (SLC34A1/PFN3). Noncoding RNA 2022; 8:ncrna8010019. [PMID: 35202092 PMCID: PMC8877773 DOI: 10.3390/ncrna8010019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/17/2022] [Accepted: 02/08/2022] [Indexed: 11/17/2022] Open
Abstract
Natural antisense transcripts (NATs) constitute a significant group of regulatory, long noncoding RNAs. They are prominently expressed in testis but are also detectable in other organs. NATs are transcribed at low levels and co-expressed with related protein coding sense transcripts. Nowadays NATs are generally considered as regulatory, long noncoding RNAs without closer focus on the inevitable interference between sense and antisense expression. This work describes a cellular system where sense and antisense transcription of a specific locus (SLC34A1/PFN3) is induced using epigenetic modifiers and CRISPR-Cas9. The renal cell lines HEK293 and HKC-8 do not express SLC34A1/PFN3 under normal culture conditions. Five-day exposure to dexamethasone significantly stimulates sense transcript (SLC34A1) levels and antisense (PFN3) minimally; the effect is only seen in HEK293 cells. Enhanced expression is paralleled by reduced sense promoter methylation and an increase in activating histone marks. Expression is further modulated by cassettes that stimulate the expression of sense or antisense transcript but disrupt protein coding potential. Constitutive expression of a 5′-truncated SLC34A1 transcript increases sense expression independent of dexamethasone induction but also stimulates antisense expression. Concordant expression is confirmed with the antisense knock-in that also enhances sense expression. The antisense effect acts on transcription in cis since transient transfection with sense or antisense constructs fails to stimulate the expression of the opposite transcript. These results suggest that bi-directional transcription of the SLC34A1/PFN3 locus has a stimulatory influence on the expression of the opposite transcript involving epigenetic changes of the promoters. In perspective of extensive, previous research into bi-directionally transcribed SLC34A loci, the findings underpin a hypothesis where NATs display different biological roles in soma and germ cells. Accordingly, we propose that in somatic cells, NATs act like lncRNAs–with the benefit of close proximity to a potential target gene. In germ cells, however, recent evidence suggests different biological roles for NATs that require RNA complementarity and double-stranded RNA formation.
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13
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Youhanna S, Kemas AM, Preiss L, Zhou Y, Shen JX, Cakal SD, Paqualini FS, Goparaju SK, Shafagh RZ, Lind JU, Sellgren CM, Lauschke VM. Organotypic and Microphysiological Human Tissue Models for Drug Discovery and Development-Current State-of-the-Art and Future Perspectives. Pharmacol Rev 2022; 74:141-206. [PMID: 35017176 DOI: 10.1124/pharmrev.120.000238] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 10/12/2021] [Indexed: 12/11/2022] Open
Abstract
The number of successful drug development projects has been stagnant for decades despite major breakthroughs in chemistry, molecular biology, and genetics. Unreliable target identification and poor translatability of preclinical models have been identified as major causes of failure. To improve predictions of clinical efficacy and safety, interest has shifted to three-dimensional culture methods in which human cells can retain many physiologically and functionally relevant phenotypes for extended periods of time. Here, we review the state of the art of available organotypic culture techniques and critically review emerging models of human tissues with key importance for pharmacokinetics, pharmacodynamics, and toxicity. In addition, developments in bioprinting and microfluidic multiorgan cultures to emulate systemic drug disposition are summarized. We close by highlighting important trends regarding the fabrication of organotypic culture platforms and the choice of platform material to limit drug absorption and polymer leaching while supporting the phenotypic maintenance of cultured cells and allowing for scalable device fabrication. We conclude that organotypic and microphysiological human tissue models constitute promising systems to promote drug discovery and development by facilitating drug target identification and improving the preclinical evaluation of drug toxicity and pharmacokinetics. There is, however, a critical need for further validation, benchmarking, and consolidation efforts ideally conducted in intersectoral multicenter settings to accelerate acceptance of these novel models as reliable tools for translational pharmacology and toxicology. SIGNIFICANCE STATEMENT: Organotypic and microphysiological culture of human cells has emerged as a promising tool for preclinical drug discovery and development that might be able to narrow the translation gap. This review discusses recent technological and methodological advancements and the use of these systems for hit discovery and the evaluation of toxicity, clearance, and absorption of lead compounds.
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Affiliation(s)
- Sonia Youhanna
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Aurino M Kemas
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Lena Preiss
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Yitian Zhou
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Joanne X Shen
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Selgin D Cakal
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Francesco S Paqualini
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Sravan K Goparaju
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Reza Zandi Shafagh
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Johan Ulrik Lind
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Carl M Sellgren
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
| | - Volker M Lauschke
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (S.Y., A.M.K., L.P., Y.Z., J.X.S., S.K.G., R.Z.S., C.M.S., V.M.L.); Department of Drug Metabolism and Pharmacokinetics (DMPK), Merck KGaA, Darmstadt, Germany (L.P.); Department of Health Technology, Technical University of Denmark, Lyngby, Denmark (S.D.C., J.U.L.); Synthetic Physiology Laboratory, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy (F.S.P.); Division of Micro- and Nanosystems, KTH Royal Institute of Technology, Stockholm, Sweden (Z.S.); and Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany (V.M.L.)
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14
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Hall AM, Trepiccione F, Unwin RJ. Drug toxicity in the proximal tubule: new models, methods and mechanisms. Pediatr Nephrol 2022; 37:973-982. [PMID: 34050397 PMCID: PMC9023418 DOI: 10.1007/s00467-021-05121-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 03/23/2021] [Accepted: 05/05/2021] [Indexed: 10/28/2022]
Abstract
The proximal tubule (PT) reabsorbs most of the glomerular filtrate and plays an important role in the uptake, metabolism and excretion of xenobiotics. Some therapeutic drugs are harmful to the PT, and resulting nephrotoxicity is thought to be responsible for approximately 1 in 6 of cases of children hospitalized with acute kidney injury (AKI). Clinically, PT dysfunction leads to urinary wasting of important solutes normally reabsorbed by this nephron segment, leading to systemic complications such as bone demineralization and a clinical scenario known as the renal Fanconi syndrome (RFS). While PT defects can be diagnosed using a combination of blood and urine markers, including urinary excretion of low molecular weight proteins (LMWP), standardized definitions of what constitutes clinically significant toxicity are lacking, and identifying which patients will go on to develop progressive loss of kidney function remains a major challenge. In addition, much of our understanding of cellular mechanisms of drug toxicity is still limited, partly due to the constraints of available cell and animal models. However, advances in new and more sophisticated in vitro models of the PT, along with the application of high-content analytical methods that can provide readouts more relevant to the clinical manifestations of nephrotoxicity, are beginning to extend our knowledge. Such technical progress should help in discovering new biomarkers that can better detect nephrotoxicity earlier and predict its long-term consequences, and herald a new era of more personalized medicine.
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Affiliation(s)
- Andrew M. Hall
- grid.7400.30000 0004 1937 0650Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland ,grid.412004.30000 0004 0478 9977Department of Nephrology, University Hospital Zurich, Zurich, Switzerland
| | - Francesco Trepiccione
- grid.9841.40000 0001 2200 8888Department of Translational Medical Science, University of Campania ‘Luigi Vanvitelli’, Naples, Italy ,grid.428067.f0000 0004 4674 1402Biogem Research Institute, Ariano Irpino, Italy
| | - Robert J. Unwin
- grid.83440.3b0000000121901201Department of Renal Medicine, University College London, London, UK
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15
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Vriend J, Pye KR, Brown C. In vitro models for accurate prediction of renal tubular xenobiotic transport in vivo. CURRENT OPINION IN TOXICOLOGY 2021. [DOI: 10.1016/j.cotox.2020.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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