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Ding Y, Su H, Shu Y, Chen J. Post-marketing safety concerns of sotorasib: A disproportionality analysis based on FDA adverse event reporting system. Heliyon 2024; 10:e30437. [PMID: 38726179 PMCID: PMC11079084 DOI: 10.1016/j.heliyon.2024.e30437] [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: 02/26/2024] [Revised: 04/04/2024] [Accepted: 04/25/2024] [Indexed: 05/12/2024] Open
Abstract
Background Sotorasib has been approved for the treatment of adult patients with KRAS G12C-mutated locally advanced or metastatic non-small cell lung cancer (NSCLC). Due to the limitations of clinical trials, potential adverse events (AEs) and long-term safety issues cannot be detected. The presented study aimed to evaluate sotorasib-associated AEs using the FDA Adverse Event Reporting System (FAERS) database. Methods Post-marketing AE reports of sotorasib in the database were collected for analysis. Disproportionality analyses, including the reporting odds ratio (ROR), proportional reporting ratio (PRR), information component (IC) and empirical bayes geometric mean (EBGM) algorithms, were performed to mine the signals of sotorasib-associated AEs. The median duration, quartiles and the Weibull shape parameter (WSP) test were used to assess the onset time data. Results The database contained 1538 cases of sotorasib as primary suspect (PS), with 27 signals detected, scattering in 5 SOCs. The SOC of hepatobiliary disorders (182, ROR 4.48, PRR 4.07, IC 2.02, EBGM 4.07) met the four methodological thresholds. The median onset time of sotorasib-associated AEs was 42 days (interquartile range [IQR] 14-86.75 days). Different SOCs had different types of risk over time. Conclusion After obtaining marketing authorization, the study identified all potentially relevant adverse event (AE) signals expected to have a reporting frequency higher than anticipated and characterized them during sotorasib treatment.
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Affiliation(s)
- Yiling Ding
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hongyan Su
- Department of Pharmacy, The People's Hospital of Lincang, Lincang, 677099, China
| | - Yamin Shu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jing Chen
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
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Karbownik A, Stanisławiak-Rudowicz J, Stachowiak A, Romański M, Grześkowiak E, Szałek E. The Influence of Paracetamol on the Penetration of Sorafenib and Sorafenib N-Oxide Through the Blood-Brain Barrier in Rats. Eur J Drug Metab Pharmacokinet 2020; 45:801-808. [PMID: 32776310 PMCID: PMC7677279 DOI: 10.1007/s13318-020-00639-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background and Objective Sorafenib is an oral, multikinase inhibitor with established single-agent activity in several tumor types. Sorafenib was moderately transported by P-glycoprotein (P-gp) and more efficiently by breast cancer resistance protein. The constitutive androstane receptor (CAR) is a ligand-activated transcription factor involved in P-gp regulation in the brain microvasculature. Paracetamol is a CAR activator. The purpose of this study was to investigate the effect of paracetamol on the brain uptake of sorafenib and sorafenib N-oxide. Methods The rats were assigned to two groups—rats receiving oral paracetamol 100 mg/kg and sorafenib 100 mg/kg (n = 42, ISR+PA) and rats receiving oral vehicle and sorafenib 100 mg/kg (n = 42, IISR). The sorafenib and sorafenib N-oxide concentrations in blood plasma and brain tissue were determined by a high-performance liquid chromatography method with ultraviolet detection. Brain-to-plasma partition coefficient (Kp) was calculated as a ratio of the area under the curve from zero to 24 h (AUC) in the brain and plasma. A drug targeting index (DTI) was estimated as the group ISR+PAKp to group IISRKp ratio. Results Pharmacokinetic analysis revealed increased brain exposure to sorafenib and sorafenib N-oxide after co-administration of paracetamol. The brain maximum concentration (Cmax) and the AUC of the parent drug in the ISR+PA group compared with the IISR group were greater by 49.5 and 77.8%, respectively, and the same parameters for the metabolite were higher by 51.4 and 50.9%. However, the Kp values of sorafenib and sorafenib N-oxide did not differ significantly between the two animal groups and the DTI values were close to 1. Conclusion Paracetamol increases exposure to sorafenib and sorafenib N-oxide in the brain, likely due to increased exposure in plasma.
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Affiliation(s)
- Agnieszka Karbownik
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, 14 Św. Marii Magdaleny Str., 61-861, Poznan, Poland.
| | - Joanna Stanisławiak-Rudowicz
- Department of Gynecological Oncology, University Hospital of Lord's Transfiguration, 82/84 Szamarzewskiego Str., 60-569, Poznan, Poland
| | - Anna Stachowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, 14 Św. Marii Magdaleny Str., 61-861, Poznan, Poland
| | - Michał Romański
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Str., 60-781, Poznan, Poland
| | - Edmund Grześkowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, 14 Św. Marii Magdaleny Str., 61-861, Poznan, Poland
| | - Edyta Szałek
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, 14 Św. Marii Magdaleny Str., 61-861, Poznan, Poland
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Green Tea Polyphenols Protect against Acetaminophen-Induced Liver Injury by Regulating the Drug Metabolizing Enzymes and Transporters. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:2696432. [PMID: 33273950 PMCID: PMC7695491 DOI: 10.1155/2020/2696432] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/21/2020] [Accepted: 11/03/2020] [Indexed: 01/15/2023]
Abstract
Green tea polyphenols (GTPs) have been shown to exhibit diverse beneficial effects against a variety of diseases. Acetaminophen (APAP) overdose is one of the most frequent causes of drug-induced liver injury. In the current study, we aimed to investigate the protective effect of GTP on APAP-induced liver injury in mice and the underlying mechanisms involved. Male C57BL/6J mice were treated orally with different doses of GTP (37.5, 75, or 150 mg/kg) 4 h after APAP overdose (400 mg/kg) and continuously given every 8 h until sacrificed at 4, 12, 20, and 48 h after the first treatment of GTP. Survival rate and histological and biochemical assessments were performed to evaluate the APAP-induced liver injury. Protein expression of multiple drug metabolizing enzymes and transporters was measured to demonstrate the possible mechanisms involved. Our results revealed that administration of different doses of GTP significantly alleviated APAP-induced liver injury by improving the survival rate, hepatocellular necrosis, and ALT/AST/GSH levels after APAP overdose (400 mg/kg). The protein expression of APAP-induced drug transporters and metabolizing enzymes was mostly induced by GTP treatment, which was followed by reduction in drug transporters at the later time points. The current study collectively demonstrated that GTP protects against APAP-induced liver injury, possibly through regulating drug metabolizing enzymes and transporters after APAP overdose.
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Pangeni R, Subedi L, Jha SK, Kweon S, Kang SH, Chang KY, Choi JU, Byun Y, Park JW. Improvements in the Oral Absorption and Anticancer Efficacy of an Oxaliplatin-Loaded Solid Formulation: Pharmacokinetic Properties in Rats and Nonhuman Primates and the Effects of Oral Metronomic Dosing on Colorectal Cancer. Int J Nanomedicine 2020; 15:7719-7743. [PMID: 33116497 PMCID: PMC7555381 DOI: 10.2147/ijn.s267424] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 09/08/2020] [Indexed: 12/12/2022] Open
Abstract
Objective The anticancer efficacy of orally administered chemotherapeutics is often constrained by low intestinal membrane permeability and oral bioavailability. In this context, we designed a solid oral formulation of oxaliplatin (OP), a third-generation cisplatin analog, to improve oral bioavailability and investigate its application in metronomic chemotherapy. Methods An ion-pairing complex of OP with a permeation enhancer, Nα-deoxycholyl-l-lysyl-methylester (DLM), was successfully prepared and then mixed with dispersing agents (including poloxamer 188 and Labrasol) to form the solid, amorphous oral formulation OP/DLM (OP/DLM-SF; hereafter, ODSF). Results The optimized powder formulation was sized in the nanoscale range (133±1.47 nm). The effective permeability of OP increased by 12.4-fold after ionic complex formation with DLM and was further increased by 24.0-fold after incorporation into ODSF. ODSF exhibited respective increases of 128% and 1010% in apparent permeability across a Caco-2 monolayer, compared to OP/DLM and OP. Furthermore, inhibition of bile acid transporters by actinomycin D and caveola-mediated uptake by brefeldin in Caco-2 cell monolayers reduced the apparent permeability values of ODSF by 58.4% and 51.1%, respectively, suggesting predominant roles for bile acid transporters and caveola-mediated transport in intestinal absorption of ODSF. In addition, macropinocytosis and paracellular and transcellular passive transport significantly influenced the intestinal permeation of ODSF. The oral bioavailabilities of ODSF in rats and monkeys were 68.2% and 277% higher, respectively, than the oral bioavailability of free OP. In vivo analyses of anticancer efficacy in CT26 and HCT116 cell-bearing mice treated with ODSF demonstrated significant suppression of tumor growth, with respective maximal tumor volume reductions of 7.77-fold and 4.07-fold, compared to controls. Conclusion ODSF exhibits therapeutic potential, constituting an effective delivery system that increases oral bioavailability, with applications to metronomic chemotherapy.
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Affiliation(s)
- Rudra Pangeni
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Muan-gun, Jeonnam, 58554, Republic of Korea
| | - Laxman Subedi
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Mokpo National University, Muan-gun, Jeonnam, 58554, Republic of Korea
| | - Saurav Kumar Jha
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Mokpo National University, Muan-gun, Jeonnam, 58554, Republic of Korea
| | - Seho Kweon
- Department of Molecular Medicine and Biopharmaceutical Science, Graduate School of Convergence Science and Technology, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Seo-Hee Kang
- Global R&D Center, IcureBNP, Seoul 08511, Republic of Korea
| | | | - Jeong Uk Choi
- College of Pharmacy, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Youngro Byun
- Department of Molecular Medicine and Biopharmaceutical Science, Graduate School of Convergence Science and Technology, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Jin Woo Park
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Muan-gun, Jeonnam, 58554, Republic of Korea.,Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Mokpo National University, Muan-gun, Jeonnam, 58554, Republic of Korea
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Yao HT, Li CC, Chang CH. Epigallocatechin-3-Gallate Reduces Hepatic Oxidative Stress and Lowers CYP-Mediated Bioactivation and Toxicity of Acetaminophen in Rats. Nutrients 2019; 11:nu11081862. [PMID: 31405142 PMCID: PMC6723635 DOI: 10.3390/nu11081862] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 01/13/2023] Open
Abstract
Epigallocatechin-3-gallate (EGCG) is the most abundant polyphenol in green tea. To investigate the effects of dietary EGCG on oxidative stress and the metabolism and toxicity of acetaminophen in the liver, rats were fed diets with (0.54%) or without EGCG supplementation for four weeks and were then injected intraperitoneally with acetaminophen (1 g/kg). The results showed that EGCG lowered hepatic oxidative stress and cytochrome P450 (CYP) 1A2, 2E1, and 3A, and UDP-glucurosyltransferase activities prior to acetaminophen injection. After acetaminophen challenge, the elevations in plasma alanine aminotransferase activity and histological changes in the liver were ameliorated by EGCG treatment. EGCG reduced acetaminophen-induced apoptosis by lowering the Bax/Bcl2 ratio in the liver. EGCG mildly increased autophagy by increasing the LC3B II/I ratio. Lower hepatic acetaminophen–glutathione and acetaminophen–protein adducts contents were observed after EGCG treatment. EGCG increased glutathione peroxidase and NAD(P)H quinone 1 oxidoreductase activities and reduced organic anion-transporting polypeptides 1a1 expression in the liver after acetaminophen treatment. Our results indicate that EGCG may reduce oxidative stress and lower the metabolism and toxicity of acetaminophen. The reductions in CYP-mediated acetaminophen bioactivation and uptake transporter, as well as enhanced antioxidant enzyme activity, may limit the accumulation of toxic products in the liver and thus lower hepatotoxicity.
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Affiliation(s)
- Hsien-Tsung Yao
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Chien-Chun Li
- Department of Nutrition, Chung Shan Medical University, 110 Sec.1, Jianguo North Road, Taichung 40201, Taiwan
| | - Chen-Hui Chang
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan
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Fabian E, Gomes C, Birk B, Williford T, Hernandez TR, Haase C, Zbranek R, van Ravenzwaay B, Landsiedel R. In vitro-to-in vivo extrapolation (IVIVE) by PBTK modeling for animal-free risk assessment approaches of potential endocrine-disrupting compounds. Arch Toxicol 2018; 93:401-416. [DOI: 10.1007/s00204-018-2372-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 12/04/2018] [Indexed: 11/30/2022]
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The concomitant use of lapatinib and paracetamol - the risk of interaction. Invest New Drugs 2018; 36:819-827. [PMID: 29464465 PMCID: PMC6153549 DOI: 10.1007/s10637-018-0573-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 02/07/2018] [Indexed: 11/30/2022]
Abstract
Lapatinib is a tyrosine kinase inhibitor used for the treatment of breast cancer. Paracetamol is an analgesic commonly applied to patients with mild or moderate pain and fever. Cancer patients are polymedicated, which involves high risk of drug interactions during therapy. The aim of the study was to assess the interaction between lapatinib and paracetamol in rats. The rats were divided into three groups of eight animals in each. One group received lapatinib + paracetamol (IL + PA), another group received lapatinib (IIL), whereas the last group received paracetamol (IIIPA). A single dose of lapatinib (100 mg/kg b.w.) and paracetamol (100 mg/kg b.w.) was administered orally. Plasma concentrations of lapatinib, paracetamol and its metabolites – glucuronide and sulphate, were measured with the validated HPLC-MS/MS method and HPLC-UV method, respectively. The pharmacokinetic parameters of both drugs were calculated using non-compartmental methods. The co-administration of lapatinib and paracetamol increased the area under the plasma concentration-time curve (AUC) and the maximum concentration (Cmax) of lapatinib by 239.6% (p = 0.0030) and 184% (p = 0.0011), respectively. Lapatinib decreased the paracetamol AUC0-∞ by 48.8% and Cmax by 55.7%. In the IL + PA group the Cmax of paracetamol glucuronide was reduced, whereas the Cmax of paracetamol sulphate was higher than in the IIIPA group. Paracetamol significantly affected the enhanced plasma exposure of lapatinib. Additionally, lapatinib reduced the concentrations of paracetamol. The co-administration of lapatinib decreased the paracetamol glucuronidation but increased the sulphation. The findings of this study may be of clinical relevance to patients requiring analgesic therapy.
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8
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Karbownik A, Szałek E, Sobańska K, Grabowski T, Wolc A, Grześkowiak E. Pharmacokinetic drug-drug interaction between erlotinib and paracetamol: A potential risk for clinical practice. Eur J Pharm Sci 2017; 102:55-62. [PMID: 28232141 DOI: 10.1016/j.ejps.2017.02.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 01/27/2017] [Accepted: 02/18/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND Erlotinib is a tyrosine kinase inhibitor available for the treatment of non-small cell lung cancer. Paracetamol is an analgesic agent, commonly used in cancer patients. Because these drugs are often co-administered, there is an increasing issue of interaction between them. OBJECTIVE The aim of the study was to investigate the effect of paracetamol on the pharmacokinetic parameters of erlotinib, as well as the influence of erlotinib on the pharmacokinetics of paracetamol. METHODS The rabbits were divided into three groups: the rabbits receiving erlotinib (IER), the group receiving paracetamol (IIPR), and the rabbits receiving erlotinib+paracetamol (IIIER+PR). A single dose of erlotinib was administered orally (25mg) and was administered intravenously (35mg/kg). Plasma concentrations of erlotinib, its metabolite (OSI420), paracetamol and its metabolites - glucuronide and sulphate were measured with the validated method. RESULTS During paracetamol co-administration we observed increased erlotinib maximum concentration (Cmax) and area under the plasma concentration-time curve from time zero to infinity (AUC0-∞) by 87.7% and 31.1%, respectively. In turn, erlotinib lead to decreased paracetamol AUC0-∞ by 35.5% and Cmax by 18.9%. The mean values of paracetamol glucuronide/paracetamol ratios for Cmax were 32.2% higher, whereas paracetamol sulphate/paracetamol ratios for Cmax and AUC0-∞ were 37.1% and 57.1% lower in the IIPR group, when compared to the IIIER+PR group. CONCLUSIONS Paracetamol had significant effect on the enhanced plasma exposure of erlotinib. Additionally, erlotinib contributed to the lower concentrations of paracetamol. Decreased glucuronidation and increased sulphation of paracetamol after co-administration of erlotinib were also observed.
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Affiliation(s)
- Agnieszka Karbownik
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland
| | - Edyta Szałek
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland
| | - Katarzyna Sobańska
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland.
| | | | - Anna Wolc
- Department of Animal Science, Iowa State University, 239E Kildee Hall, Ames, IA 50011, USA; Hy-Line International, 2583 240th Street, Dallas Center, IA 50063, USA
| | - Edmund Grześkowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland
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Aleksandrova AV, Senyavina NV, Maltseva DV, Khutornenko AA, Sakharov DA. p53- and Caspase-3-Independent Mechanism of Acetaminophen Effect on Human Neural Cells. Bull Exp Biol Med 2016; 160:763-6. [PMID: 27165078 DOI: 10.1007/s10517-016-3304-7] [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: 04/20/2015] [Indexed: 10/21/2022]
Abstract
Acetaminophen in a concentration of 5 mM increased the expression of JNK, HIF1A (hypoxiainduced factor), and CASP3, which indicated development of oxidative stress and apoptotic cell death. Acetaminophen in a concentration of 10 mM did not induce expression of HIF1A and CASP3, but reduced expression of chaperone HSP90, which attested to activation of a caspase-3-independent mechanism of cell death. The methods of preventing acetaminophen intoxication are discussed.
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Affiliation(s)
| | - N V Senyavina
- BioClinicum Research and Development Complex, Moscow, Russia
| | - D V Maltseva
- BioClinicum Research and Development Complex, Moscow, Russia
| | - A A Khutornenko
- BioClinicum Research and Development Complex, Moscow, Russia
| | - D A Sakharov
- BioClinicum Research and Development Complex, Moscow, Russia
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Blas-García A, Martí-Rodrigo A, Víctor VM, Polo M, Alegre F, Funes HA, Apostolova N, Esplugues JV. The purine analogues abacavir and didanosine increase acetaminophen-induced hepatotoxicity by enhancing mitochondrial dysfunction. J Antimicrob Chemother 2016; 71:916-26. [PMID: 26747094 DOI: 10.1093/jac/dkv424] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 11/10/2015] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND NRTIs are essential components of HIV therapy with well-documented, long-term mitochondrial toxicity in hepatic cells, but whose acute effects on mitochondria are unclear. As acetaminophen-induced hepatotoxicity also involves mitochondrial interference, we hypothesized that it would be exacerbated in the context of ART. METHODS We evaluated the acute effects of clinically relevant concentrations of the most widely used NRTIs, alone or combined with acetaminophen, on mitochondrial function and cellular viability. RESULTS The purine analogues abacavir and didanosine produced an immediate and concentration-dependent inhibition of oxygen consumption and complex I and III activity. This inhibition was accompanied by an undermining of mitochondrial function, with increased production of reactive oxygen species and reduction of mitochondrial membrane potential and intracellular ATP levels. However, this interference did not compromise cell survival. Co-administration with concentrations of acetaminophen below those considered hepatotoxic exacerbated the deleterious effects of both compounds on mitochondrial function and compromised cellular viability, showing a clear correlation with diminished glutathione levels. CONCLUSIONS The simultaneous presence of purine analogues and low concentrations of acetaminophen significantly potentiates mitochondrial dysfunction, increasing the risk of liver injury. This new mechanism is relevant given the liver's susceptibility to mitochondrial dysfunction-related toxicity and the tendency of the HIV infection to increase oxidative stress.
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Affiliation(s)
- Ana Blas-García
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain FISABIO-Hospital Universitario Doctor Peset, Valencia, Spain CIBERehd, Valencia, Spain
| | - Alberto Martí-Rodrigo
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
| | - Víctor M Víctor
- FISABIO-Hospital Universitario Doctor Peset, Valencia, Spain CIBERehd, Valencia, Spain
| | - Miriam Polo
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain FISABIO-Hospital Universitario Doctor Peset, Valencia, Spain
| | - Fernando Alegre
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain FISABIO-Hospital Universitario Doctor Peset, Valencia, Spain
| | - Haryes A Funes
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain
| | - Nadezda Apostolova
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain CIBERehd, Valencia, Spain Facultad de Ciencias de la Salud, Universidad Jaime I, Castellón de la Plana, Spain
| | - Juan V Esplugues
- Departamento de Farmacología, Facultad de Medicina, Universidad de Valencia, Valencia, Spain FISABIO-Hospital Universitario Doctor Peset, Valencia, Spain CIBERehd, Valencia, Spain
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11
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Raza H, John A. Differential Cytotoxicity of Acetaminophen in Mouse Macrophage J774.2 and Human Hepatoma HepG2 Cells: Protection by Diallyl Sulfide. PLoS One 2015; 10:e0145965. [PMID: 26714183 PMCID: PMC4694617 DOI: 10.1371/journal.pone.0145965] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 12/10/2015] [Indexed: 11/18/2022] Open
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs), including acetaminophen (APAP), have been reported to induce cytotoxicity in cancer and non-cancerous cells. Overdose of acetaminophen (APAP) causes liver injury in humans and animals. Hepatic glutathione (GSH) depletion followed by oxidative stress and mitochondrial dysfunction are believed to be the main causes of APAP toxicity. The precise molecular mechanism of APAP toxicity in different cellular systems is, however, not clearly understood. Our previous studies on mouse macrophage J774.2 cells treated with APAP strongly suggest induction of apoptosis associated with mitochondrial dysfunction and oxidative stress. In the present study, using human hepatoma HepG2 cells, we have further demonstrated that macrophages are a more sensitive target for APAP-induced toxicity than HepG2 cells. Using similar dose- and time-point studies, a marked increase in apoptosis and DNA fragmentation were seen in macrophages compared to HepG2 cells. Differential effects of APAP on mitochondrial respiratory functions and oxidative stress were observed in the two cell lines which are presumably dependent on the varying degree of drug metabolism by the different cytochrome P450s and detoxification by glutathione S-transferase enzyme systems. Our results demonstrate a marked increase in the activity and expression of glutathione transferase (GST) and multidrug resistance (MDR1) proteins in APAP-treated HepG2 cells compared to macrophages. This may explain the apparent resistance of HepG2 cells to APAP toxicity. However, treatment of these cells with diallyl sulfide (DAS, 200 μM), a known chemopreventive agent from garlic extract, 24 h prior to APAP (10 μmol/ml for 18h) exhibited comparable cytoprotective effects in the two cell lines. These results may help in better understanding the mechanism of cytotoxicity caused by APAP and cytoprotection by chemopreventive agents in cancer and non-cancerous cellular systems.
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Affiliation(s)
- Haider Raza
- Department of Biochemistry, College of Medicine and Health Sciences, UAE University, PO Box 17666, Al Ain, United Arab Emirates
- * E-mail:
| | - Annie John
- Department of Biochemistry, College of Medicine and Health Sciences, UAE University, PO Box 17666, Al Ain, United Arab Emirates
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Solomon LR. Thrombocytopenia due to low-dose colchicine therapy: A possible drug interaction with nivolumab and implications for supportive care. Acta Oncol 2015; 54:1235-7. [PMID: 25608826 DOI: 10.3109/0284186x.2014.1002572] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Lawrence R Solomon
- a Section of Palliative Care, Department of Medicine , Yale University School of Medicine and Smilow Cancer Hospital , New Haven , CT , USA
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Bundscherer A, Malsy M, Bitzinger D, Graf BM. [Interaction of anesthetics and analgesics with tumor cells]. Anaesthesist 2014; 63:313-25. [PMID: 24584840 DOI: 10.1007/s00101-014-2310-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The results of preclinical and clinical studies indicate that the perioperative period is a vulnerable period for cancer progression and metastasis. The risk of cancer cell dissemination is enhanced by the combination of surgical manipulation and perioperative immunosuppression. Whether the oncological outcome of cancer patients can be influenced by the choice of anesthetic techniques is still a matter of debate. This review summarizes the molecular characteristics of cancer and interaction of anesthetic and analgesic drugs with cancer cells.
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Affiliation(s)
- A Bundscherer
- Klinik für Anästhesiologie, Universitätsklinikum Regensburg, Franz Josef Strauß Allee 11, 93053, Regensburg, Deutschland,
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Rašković A, Cvejić J, Stilinović N, Goločorbin-Kon S, Vukmirović S, Mimica-Dukić N, Mikov M. Interaction between different extracts of Hypericum perforatum L. from Serbia and pentobarbital, diazepam and paracetamol. Molecules 2014; 19:3869-82. [PMID: 24686576 PMCID: PMC6272045 DOI: 10.3390/molecules19043869] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 03/16/2014] [Accepted: 03/19/2014] [Indexed: 11/16/2022] Open
Abstract
Herb-drug interactions are an important safety concern and this study was conducted regarding the interaction between the natural top-selling antidepressant remedy Hypericum perforatum (Hypericaceae) and conventional drugs. This study examined the influence of acute pretreatment with different extracts of Hypericum perforatum from Serbia on pentobarbital-induced sleeping time, impairment of motor coordination caused by diazepam and paracetamol pharmacokinetics in mice. Ethanolic extract, aqueous extract, infusion, tablet and capsule of Hypericum perforatum were used in this experiment. The profile of Hypericum perforatum extracts as well as paracetamol plasma concentration was determined using RP-HPLC analysis. By quantitative HPLC analysis of active principles, it has been proven that Hypericum perforatum ethanolic extract has the largest content of naphtodianthrones: hypericin (57.77 µg/mL) and pseudohypericin (155.38 µg/mL). Pretreatment with ethanolic extract of Hypericum perforatum potentiated the hypnotic effect of pentobarbital and impairment of motor coordination caused by diazepam to the greatest extent and also increased paracetamol plasma concentration in comparison to the control group. These results were in correlation with naphtodianthrone concentrations. The obtained results have shown a considerable influence of Hypericum perforatum on pentobarbital and diazepam pharmacodynamics and paracetamol pharmacokinetics.
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Affiliation(s)
- Aleksandar Rašković
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad 21000, Serbia.
| | - Jelena Cvejić
- Laboratory for Pharmaceutical and Natural Products Analysis, Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad 21000, Serbia.
| | - Nebojša Stilinović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad 21000, Serbia.
| | - Svetlana Goločorbin-Kon
- Laboratory for Pharmaceutical and Natural Products Analysis, Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad 21000, Serbia.
| | - Saša Vukmirović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad 21000, Serbia.
| | - Neda Mimica-Dukić
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, Novi Sad 21000, Serbia.
| | - Momir Mikov
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, Novi Sad 21000, Serbia.
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The effect of acetaminophen on the expression of BCRP in trophoblast cells impairs the placental barrier to bile acids during maternal cholestasis. Toxicol Appl Pharmacol 2014; 277:77-85. [PMID: 24631341 DOI: 10.1016/j.taap.2014.02.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 02/18/2014] [Accepted: 02/28/2014] [Indexed: 01/05/2023]
Abstract
Acetaminophen is used as first-choice drug for pain relief during pregnancy. Here we have investigated the effect of acetaminophen at subtoxic doses on the expression of ABC export pumps in trophoblast cells and its functional repercussion on the placental barrier during maternal cholestasis. The incubation of human choriocarcinoma cells (JAr, JEG-3 and BeWo) with acetaminophen for 48h resulted in no significant changes in the expression and/or activity of MDR1 and MRPs. In contrast, in JEG-3 cells, BCRP mRNA, protein, and transport activity were reduced. In rat placenta, collected at term, acetaminophen administration for the last three days of pregnancy resulted in enhanced mRNA, but not protein, levels of Mrp1 and Bcrp. In fact, a decrease in Bcrp protein was found. Using in situ perfused rat placenta, a reduction in the Bcrp-dependent fetal-to-maternal bile acid transport after treating the dams with acetaminophen was found. Complete biliary obstruction in pregnant rats induced a significant bile acid accumulation in fetal serum and tissues, which was further enhanced when the mothers were treated with acetaminophen. This drug induced increased ROS production in JEG-3 cells and decreased the total glutathione content in rat placenta. Moreover, the NRF2 pathway was activated in JEG-3 cells as shown by an increase in nuclear NRF2 levels and an up-regulation of NRF2 target genes, NQO1 and HMOX-1, which was not observed in rat placenta. In conclusion, acetaminophen induces in placenta oxidative stress and a down-regulation of BCRP/Bcrp, which may impair the placental barrier to bile acids during maternal cholestasis.
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Liu M, Li Y, Citterio L, Huang QF, Zeng WF, Sheng CS, Wei FF, Dong Q, Li GL, Kang YY, Zhang L, Xu TY, Li JJ, Song J, Manunta P, Wang JG. A functional common polymorphism of the ABCB1 gene is associated with chronic kidney disease and hypertension in Chinese. Am J Hypertens 2013; 26:1428-36. [PMID: 23926124 DOI: 10.1093/ajh/hpt126] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Permeability glycoprotein is encoded by the ATP-binding cassette B1 gene (ABCB1) and is an extruder of toxic metabolites in the kidney. A functional common polymorphism (C3435T, rs1045642) in the human ABCB1 gene has been found to be associated with allograft outcome in kidney transplant patients. In this study, we investigated the association of the C3435T polymorphism with renal function and blood pressure (BP) in 2 Chinese populations. METHODS The discovery and replication populations were recruited from a mountainous area (Zhejiang Province) and a newly urbanized suburban area (Shanghai), respectively. We genotyped all subjects using the ABI SNapShot method. Chronic kidney disease (CKD) was defined as an estimated glomerular filtration rate <60 ml/min × 1.73 m(2) or 24-hour urinary albumin excretion ≥30 mg. RESULTS In the discovery population of 1,987 subjects, after adjustment for covariables, TT homozygosity (n = 217) was associated with a higher risk of CKD (n = 369; odds ratio (OR) = 1.73; P = 0.003) and with higher systolic BP (+3.1 mm Hg; P = 0.03) and pulse pressure (+3.4 mm Hg; P = 0.001). These associations were dependent on age (Pint ≤ 0.05). In subjects aged ≥60 years (n = 374), the corresponding OR or difference was 2.40 for CKD, 15.1 mm Hg for systolic BP, and 12.4 mm Hg for pulse pressure (P < 0.001). In similar adjusted analyses in the replication population of 2,427 elderly (≥60 years) subjects, TT homozygosity was also associated with a higher risk of CKD (OR = 1.39; P = 0.02) and an enhanced association of hypertension with CKD (OR = 1.50; P = 0.04). CONCLUSIONS The ABCB1 C3435T polymorphism might predict CKD, especially in the elderly.
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Affiliation(s)
- Ming Liu
- Centre for Epidemiological Studies and Clinical Trials, Shanghai Key Lab of Hypertension, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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17
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Novak A, Carpini GD, Ruiz ML, Luquita MG, Rubio MC, Mottino AD, Ghanem CI. Acetaminophen inhibits intestinal p-glycoprotein transport activity. J Pharm Sci 2013; 102:3830-7. [PMID: 23897240 DOI: 10.1002/jps.23673] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 05/31/2013] [Accepted: 06/27/2013] [Indexed: 01/15/2023]
Abstract
Repeated acetaminophen (AP) administration modulates intestinal P-glycoprotein (P-gp) expression. Whether AP can modulate P-gp activity in a short-term fashion is unknown. We investigated the acute effect of AP on rat intestinal P-gp activity in vivo and in vitro. In everted intestinal sacs, AP inhibited serosal-mucosal transport of rhodamine 123 (R123), a prototypical P-gp substrate. R123 efflux plotted against R123 concentration adjusted well to a sigmoidal curve. Vmax decreased 50% in the presence of AP, with no modification in EC50, or slope, ruling out the possibility of inhibition to be competitive. Inhibition by AP was absent at 0°C, consistent with interference of the active transport of R123 by AP. Additionally, AP showed no effect on normal localization of P-gp at the apical membrane of the enterocyte and neither affected paracellular permeability. Consistent with absence of a competitive inhibition, two further strategies strongly suggested that AP is not a P-gp substrate. First, serosal-mucosal transport of AP was not affected by the classical P-gp inhibitors verapamil or Psc 833. Second, AP accumulation was not different between P-gp knock-down and wild-type HepG2 cells. In vivo intestinal absorption of digoxin, another substrate of P-gp, was assessed in the presence or absence of AP (100 μM). Portal digoxin concentration was increased by 214%, in average, by AP, as compared with digoxin alone. In conclusion, AP inhibited P-gp activity, increasing intestinal absorption of digoxin, a prototypical substrate. These results suggest that therapeutic efficacy of P-gp substrates can be altered if coadministered with AP.
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Affiliation(s)
- Analia Novak
- Cátedra de Fisiopatología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
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Rigalli JP, Perdomo VG, Luquita MG, Villanueva SSM, Arias A, Theile D, Weiss J, Mottino AD, Ruiz ML, Catania VA. Regulation of biotransformation systems and ABC transporters by benznidazole in HepG2 cells: involvement of pregnane X-receptor. PLoS Negl Trop Dis 2012; 6:e1951. [PMID: 23272261 PMCID: PMC3521711 DOI: 10.1371/journal.pntd.0001951] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Accepted: 10/26/2012] [Indexed: 12/21/2022] Open
Abstract
Background Benznidazole (BZL) is the only antichagasic drug available in most endemic countries. Its effect on the expression and activity of drug-metabolizing and transporter proteins has not been studied yet. Methodology/Principal Findings Expression and activity of P-glycoprotein (P-gp), Multidrug resistance-associated protein 2 (MRP2), Cytochrome P450 3A4 (CYP3A4), and Glutathione S-transferase (GST) were evaluated in HepG2 cells after treatment with BZL. Expression was estimated by immunoblotting and real time PCR. P-gp and MRP2 activities were estimated using model substrates rhodamine 123 and dinitrophenyl-S-glutathione (DNP-SG), respectively. CYP3A4 and GST activities were evaluated through their abilities to convert proluciferin into luciferin and 1-chloro-2,4-dinitrobenzene into DNP-SG, respectively. BZL (200 µM) increased the expression (protein and mRNA) of P-gp, MRP2, CYP3A4, and GSTπ class. A concomitant enhancement of activity was observed for all these proteins, except for CYP3A4, which exhibited a decreased activity. To elucidate if pregnane X receptor (PXR) mediates BZL response, its expression was knocked down with a specific siRNA. In this condition, the effect of BZL on P-gp, MRP2, CYP3A4, and GSTπ protein up-regulation was completely abolished. Consistent with this, BZL was able to activate PXR, as detected by reporter gene assay. Additional studies, using transporter inhibitors and P-gp-knock down cells, demonstrated that P-gp is involved in BZL extrusion. Pre-treatment of HepG2 cells with BZL increased its own efflux, as a consequence of P-gp up-regulation. Conclusions/Significance Modifications in the activity of biotransformation and transport systems by BZL may alter the pharmacokinetics and efficiency of drugs that are substrates of these systems, including BZL itself. Chagas disease is an endemic infection caused by Trypanosoma cruzi. Benznidazole (BZL) is the only antichagasic drug available in most endemic countries. The liver plays a major role in disposition of endogenous and exogenous compounds and their excretion is mainly mediated by transporter proteins (such as P-gp and MRP2) that act coordinately with biotransformation enzymes (such as CYP3A4 and GST). At present there is no information on whether BZL may modulate major biotransformation systems and transporters, with potential impact on its disposition or on disposition of other therapeutic agents co-administered with BZL. BZL (200 µM) altered the expression (protein and mRNA) and activity of P-gp, MRP2, CYP3A4, and GSTπ in HepG2 cells (a cell model that retains many biochemical, morphological and functional properties of the human hepatocytes), being the nuclear receptor PXR a key mediator. Additional studies demonstrated that P-gp is involved in BZL extrusion. Alterations in the pharmacokinetics and efficiency of drugs that are substrates of these systems, including BZL itself, would be expected.
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Affiliation(s)
- Juan P. Rigalli
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
- Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Virginia G. Perdomo
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
| | - Marcelo G. Luquita
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
| | - Silvina S. M. Villanueva
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
| | - Agostina Arias
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
| | - Dirk Theile
- Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Johanna Weiss
- Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany
| | - Aldo D. Mottino
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
| | - María L. Ruiz
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
| | - Viviana A. Catania
- Institute of Experimental Physiology (CONICET), School of Biochemical and Pharmaceutical Sciences (UNR), Rosario, Argentina
- * E-mail:
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Rhee JS, Jeong CB, Kim BM, Lee JS. P-glycoprotein (P-gp) in the monogonont rotifer, Brachionus koreanus: molecular characterization and expression in response to pharmaceuticals. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2012; 114-115:104-118. [PMID: 22446822 DOI: 10.1016/j.aquatox.2012.02.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 02/12/2012] [Accepted: 02/13/2012] [Indexed: 05/31/2023]
Abstract
P-glycoprotein is involved in the efflux of diverse chemicals, including hydrophobic compounds and pharmaceuticals as a first line of defense. Here, we firstly identified and characterized the P-gp (Bk-P-gp) gene in the rotifer, Brachionus koreanus. Bk-P-gp was highly conserved in genomic organization compared to the human P-gp gene. Messenger RNA expression of Bk-P-gp revealed that it would be regulated by temperature change via 14 heat shock response elements in its promoter region. Bk-P-gp showed a high similarity of motifs/domains compared to those of vertebrates in its amino acid sequences. To check whether Bk-P-gp would be inducible, we exposed B. koreanus to six pharmaceuticals including antibiotics for use in aquaculture and observed dose- and time-dependency on transcripts of Bk-P-gp for 24h over a wide range of concentration. Efflux assay and membrane topology supported its conserved function for transportation of a number of chemicals upon cellular damage. To reveal the effect of pharmaceuticals on the rotifer, we measured survival rate and population growth rate after exposure to six pharmaceuticals. In an acute toxicity test, both NOEC and LC₅₀ values for all the pharmaceuticals were high for 24 h. ATP, CBZ, SMX, and TMP markedly inhibited the population growth of B. koreanus after exposure up to 100 mg/L for 10 days. In this paper, we demonstrated that various pharmaceuticals can retard growth rate with up-regulation of the P-gp gene as a cellular defense system. This finding provides a better understanding of molecular mechanisms involved in pharmaceutical-mediated cellular damage in B. koreanus.
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Affiliation(s)
- Jae-Sung Rhee
- Department of Molecular and Environmental Bioscience, Graduate School, Hanyang University, Seoul 133-791, South Korea
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20
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Manov I, Pollak Y, Broneshter R, Iancu TC. Inhibition of doxorubicin-induced autophagy in hepatocellular carcinoma Hep3B cells by sorafenib - the role of extracellular signal-regulated kinase counteraction. FEBS J 2011; 278:3494-507. [DOI: 10.1111/j.1742-4658.2011.08271.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Meissner R, Eker B, Kasi H, Bertsch A, Renaud P. Distinguishing drug-induced minor morphological changes from major cellular damage via label-free impedimetric toxicity screening. LAB ON A CHIP 2011; 11:2352-2361. [PMID: 21647498 DOI: 10.1039/c1lc20212j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
We present a novel perfusion-based microfluidic platform for label-free drug toxicity screening which can single out non-lethal morphological changes from cellular death using electrical impedance spectroscopy. Minor cellular changes such as cell-cell contacts and major cell injury were identified via impedance phase angle analysis and follow-up of impedance magnitude at different frequencies. Having exposed HepG2/C3A cells to acetaminophen (AP), we showed that continuous drug perfusion caused a time and concentration-dependent impedance decrease. Moreover, perfusion of repeated doses revealed altered dielectric properties of the cell culture after recovery from AP exposure. This study highlights the possibility to sense cellular changes long before cellular death takes place, pointing out the remarkable sensitivity advantage of this technique over standard endpoint viability tests and its interest for toxicology.
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Affiliation(s)
- Robert Meissner
- Laboratoire de Microsystèmes LMIS4, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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22
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Ghanem CI, Arias A, Novak A, Carpini GD, Villanueva S, Blazquez AG, Marin JJ, Mottino AD, Rubio MC. Acetaminophen-induced stimulation of MDR1 expression and activity in rat intestine and in LS 174T human intestinal cell line. Biochem Pharmacol 2011; 81:244-50. [DOI: 10.1016/j.bcp.2010.10.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Revised: 10/06/2010] [Accepted: 10/08/2010] [Indexed: 10/18/2022]
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23
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Manov I, Bashenko Y, Eliaz-Wolkowicz A, Mizrahi M, Liran O, Iancu TC. High-Dose Acetaminophen Inhibits the Lethal Effect of Doxorubicin in HepG2 Cells: The Role of P-glycoprotein and Mitogen-Activated Protein Kinase p44/42 Pathway. J Pharmacol Exp Ther 2007; 322:1013-22. [PMID: 17526808 DOI: 10.1124/jpet.107.121772] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Doxorubicin (DOX) is a widely used chemotherapeutic drug for human hepatocellular carcinoma (HCC). A major limitation to its effectiveness is the development of multidrug resistance of cancer cells. In clinical trials, patients with advanced HCC were treated with high-dose acetaminophen (HAAP) in an effort to improve the antitumor activity of chemotherapeutics. In this study, we investigated the effect of concomitant treatment of DOX and HAAP on hepatoma-derived HepG2 cells. Viability, cell cycle distribution, and ultrastructure were examined. Unexpectedly, HAAP, when added to DOX-exposed cells, increased cell viability, released cell cycle arrest, and decreased apoptosis. To elucidate the mechanisms by which HAAP reduces the DOX lethal effect to HepG2 cells, we investigated the multidrug resistance P-glycoprotein (P-gp) and p44/42-mitogen-activated protein kinase (MAPK) pathways. The P-gp function was enhanced by DOX and HAAP, and it was further stimulated during combined treatment, leading to decreased DOX retention. Verapamil (VRP), when added to DOX + HAAP exposure, increased DOX accumulation and restored DOX-induced toxicity. The increased phospho-p44/42-MAPK level in DOX-exposed cells was inhibited by HAAP. In addition, suppression of p44/42 activation by the p44/42-MAPK inhibitor 2'-amino-3'-methoxyflavone (PD98059) blocked DOX-induced apoptosis. These findings suggest that the antagonistic effect of concomitant DOX + HAAP treatment occurs as a result of interactive stimulation of P-gp, generating decreased intracellular drug concentrations. Furthermore, inhibition of the p44/42-MAPK phosphorylation by HAAP could abolish the DOX-induced cell death pathway. Thus, combined treatment by DOX + HAAP, intended to improve chemotherapeutic efficacy, could have an opposite effect facilitating cancer cell survival.
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Affiliation(s)
- Irena Manov
- Pediatric Research and Electron Microscopy Unit, Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, P.O. Box 9649, Haifa 31096, Israel.
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Abstract
PURPOSE OF REVIEW To identify the key publications of 2006 dealing with drug-induced liver injury. RECENT FINDINGS When given in therapeutic doses over 14 days, acetaminophen produced significant asymptomatic elevations in alanine aminotransferase among healthy volunteers, suggesting that subclinical injury may be more common than previously thought. Acute liver failure in children was shown to differ in several important respects from that seen in adults, notably a much lower incidence of acetaminophen toxicity with nearly half of all cases being indeterminate in origin. The first cases of hepatotoxicity with telithromycin, a new class of ketolide antibiotic, were described along with reports suggesting liver injury from ezetimibe among other agents. The potential for chronic injury to develop after acute drug-induced liver injury was analyzed in a large Swedish database; 5-6% of cases were judged to become chronic, with drugs causing cholestatic injury predominating. Among well described hepatotoxins, new reports appeared with highly active antiretroviral therapy agents, herbal therapies and several antibiotics. Finally, the safe use of pravastatin and pioglitazone was demonstrated in patients with chronic liver disease in controlled clinical trials. SUMMARY Drug-induced liver injury remains an important concern for many existing drugs as well as for agents in development.
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Affiliation(s)
- Cherinne Arundel
- Division of Gastroenterology, Section of Hepatology, Georgetown University Medical Center, Washington, DC 20007, USA
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Lin CP, Liu JD, Chow JM, Liu CR, Liu HE. Small-molecule c-Myc inhibitor, 10058-F4, inhibits proliferation, downregulates human telomerase reverse transcriptase and enhances chemosensitivity in human hepatocellular carcinoma cells. Anticancer Drugs 2007; 18:161-70. [PMID: 17159602 DOI: 10.1097/cad.0b013e3280109424] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
c-Myc oncogene is critical for the development of hepatocellular carcinoma. Given the successful use of small-molecule inhibitors on cancers, targeting c-Myc with small-molecule inhibitors represents a promising approach. The potential of using small-molecule c-Myc inhibitor, 10058-F4, was evaluated on hepatocellular carcinoma cell lines, HepG2 and Hep3B cells. HepG2 cells were more sensitive to 10058-F4 than Hep3B cells, as demonstrated by reduced cell viability, marked morphological changes and decreased c-Myc levels. 10058-F4 arrested the cell cycle (at G0/G1 phase) and induced apoptosis upon extended treatment. These observations might be attributable to the increased cyclin-dependent kinase inhibitor, p21, and decreased cyclin D3 levels. Besides, 10058-F4 also significantly decreased the alpha-fetoprotein levels, an indicator for hepatocellular carcinoma differentiation. We further found that 10058-F4 inhibited the transactivation of human telomerase reverse transcriptase, downregulated human telomerase reverse transcriptase expression and abrogated telomerase activity. In addition, pretreatment with 10058-F4 increased the chemosensitivity of HepG2 cells to low-dose doxorubicin, 5-fluorouracil and cisplatin. Therefore, small-molecule c-Myc inhibitors might represent a novel agent, alone or in combination with conventional chemotherapeutic agents, for anti-hepatocellular carcinoma therapy.
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Affiliation(s)
- Che-Pin Lin
- Division of Hematology-Oncology, Department of Internal Medicine, Taipei City Hospital, Ren-Ai Branch, Taipei Medical University, Taipei, Taiwan
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