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Cao Z, Liu Y, Chen S, Wang W, Yang Z, Chen Y, Jiao S, Huang W, Chen L, Sun L, Li Z, Zhang L. Discovery of novel carboxylesterase 2 inhibitors for the treatment of delayed diarrhea and ulcerative colitis. Biochem Pharmacol 2023; 215:115742. [PMID: 37567318 DOI: 10.1016/j.bcp.2023.115742] [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: 06/24/2023] [Revised: 08/06/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Human carboxylesterase 2 (hCES2) is an enzyme that metabolizes irinotecan to SN-38, a toxic metabolite considered a significant source of side effects (lethal delayed diarrhea). The hCES2 inhibitors could block the hydrolysis of irinotecan in the intestine and thus reduce the exposure of intestinal SN-38, which may alleviate irinotecan-associated diarrhea. However, existing hCES2 inhibitors (except loperamide) are not used in clinical applications due to lack of validity or acceptable safety. Therefore, developing more effective and safer drugs for treating delayed diarrhea is urgently needed. This study identified a lead compound 1 with a novel scaffold by high-throughput screening in our in-house library. After a comprehensive structure-activity relationship study, the optimal compound 24 was discovered as an efficient and highly selective hCES2 inhibitor (hCES2: IC50 = 6.72 μM; hCES1: IC50 > 100 μM). Further enzyme kinetics study indicated that compound 24 is a reversible inhibitor of hCES2 with competitive inhibition mode (Ki = 6.28 μM). The cell experiments showed that compound 24 could reduce the level of hCES2 in living cells (IC50 = 6.54 μM). The modeling study suggested that compound 24 fitted very well with the binding pocket of hCES2 by forming multiple interactions. Notably, compound 24 can effectively treat irinotecan-induced delayed diarrhea and DSS-induced ulcerative colitis, and its safety has also been verified in subtoxic studies. Based on the overall pharmacological and preliminary safety profiles, compound 24 is worthy of further evaluation as a novel agent for irinotecan-induced delayed diarrhea.
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Affiliation(s)
- Zhijun Cao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Yuxia Liu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Siliang Chen
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Wenxin Wang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Zhongcheng Yang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Ya Chen
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Shixuan Jiao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Wanqiu Huang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Lianru Chen
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Lidan Sun
- Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, PR China.
| | - Zheng Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangdong Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Guangzhou 510006, PR China.
| | - Luyong Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangdong Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou 510006, PR China.
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2
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Luo X, Lu F, Yin Z, Zhou Z, Wang Z, Zhang H. Hormetic effects of EGC and EGCG on CES1 activity and its rescue from oxidative stress in rat liver S9. Chem Biol Interact 2023; 382:110612. [PMID: 37353134 DOI: 10.1016/j.cbi.2023.110612] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/17/2023] [Accepted: 06/21/2023] [Indexed: 06/25/2023]
Abstract
Carboxylesterase 1 (CES1) is a hydrolytic enzyme that plays an important role in the activation or deactivation of many therapeutic agents, thus affecting their pharmacokinetic and pharmacodynamic outcomes. Using rat liver S9 as an enzyme source and enalapril as a CES1 substrate, the present study examined effects of a number of flavonoids on the formation of enalaprilat (the active form of enalapril) produced by CES1-mediated hydrolysis. While a majority of flavonoids tested showed inhibition on CES1, an unexpected hormetic effect was observed for epigallocatechin (EGC) and epigallocatechin gallate (EGCG), i.e., stimulatory effect at low concentrations and enzyme inhibition at high concentrations. Further experiments revealed that oxidative stress caused by hydrogen peroxide, arachidonic acid plus iron, and oxidized low density lipoproteins (oxLOL) reduced CES1 activity in rat liver S9 and the loss of CES1 enzyme activity could be rescued largely by EGC or EGCG. In contrast, such effects were minimal in human liver S9, probably due to the presence of a higher ratio of reduced vs oxidized forms of glutathione. The above findings suggest that the polyphenolic nature of EGC or EGCG might be responsible for rescuing CES1 activity under oxidative stress. Because of the importance of CES1 in drug activation or deactivation and rat liver S9 as a versatile in vitro system used for drug metabolism studies and drug safety assessment, caution should be exercised to avoid potential biases for data interpretation and decision making when CES1 activity in rat liver S9 is evaluated with dependency on experimental conditions.
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Affiliation(s)
- Xiaoting Luo
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, China
| | - Feifei Lu
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, China
| | - Zhiyue Yin
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, China
| | - Zhiyun Zhou
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, China
| | - Zhongmin Wang
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, China
| | - Hongjian Zhang
- College of Pharmaceutical Sciences, Soochow University, 199 Renai Road, Suzhou Industrial Park, Suzhou, 215123, China.
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3
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Yang Y, Xiong Y, Zhu G, Sun M, Zou K, Zhao Y, Zhang Y, Xu Z, Li Y, Zhu W, Jia Q, Li B, Ge G. Discovery of seven-membered ring berberine analogues as highly potent and specific hCES2A inhibitors. Chem Biol Interact 2023; 378:110501. [PMID: 37080375 DOI: 10.1016/j.cbi.2023.110501] [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: 02/14/2023] [Revised: 03/23/2023] [Accepted: 04/18/2023] [Indexed: 04/22/2023]
Abstract
Human carboxylesterase 2A (hCES2A) is a key serine hydrolase responsible for the metabolic clearance of large number of compounds bearing the ester- or amide-bond(s). Inhibition of hCES2A can relieve the chemotherapy-induced toxicity and alter the pharmacokinetic bahaviors of some orally administrate esters-containing agents. However, most of the hCES2A inhibitors show poor cell-membrane permeability and poor specificity. Herein, guided by the structure activity relationships (SAR) of fifteen natural alkaloids against hCES2A, fifteen new seven-membered ring berberine analogues were designed and synthesized, and their anti-hCES2A activities were evaluated. Among all tested compounds, compound 28 showed potent anti-hCES2A effect (IC50 = 1.66 μM) and excellent selectivity over hCES1A (IC50 > 100 μM). The SAR analysis revealed that the seven-membered ring of these berberine analogues was a crucial moiety for hCES2A inhibition, while the secondary amine group of the ring-C is important for improving their specificity over other serine hydrolases. Inhibition kinetic analyses and molecular dynamic simulation demonstrated that 28 strongly inhibited hCES2A in a mixed-inhibition manner, with an estimated Ki value of 1.035 μM. Moreover, 28 could inhibit intracellular hCES2A in living HepG2 cells and exhibited suitable metabolic stability. Collectively, the SAR of seven-membered ring berberine analogues as hCES2A inhibitors were studied, while compound 28 acted as a promising candidate for developing highly selective hCES2A inhibitors.
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Affiliation(s)
- Yun Yang
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Yuan Xiong
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Guanghao Zhu
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Mengru Sun
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Kun Zou
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yitian Zhao
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yong Zhang
- State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Zhijian Xu
- State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; School of Pharmacy, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yiming Li
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Weiliang Zhu
- State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; School of Pharmacy, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qi Jia
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Bo Li
- State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; School of Pharmacy, University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Guangbo Ge
- School of Pharmacy, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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Krishnani KK, Oakeshott JG, Pandey G. Wide substrate range for a candidate bioremediation enzyme isolated from Nocardioides sp. strain SG-4 G. FEMS Microbiol Lett 2023; 370:fnad085. [PMID: 37660276 PMCID: PMC10501498 DOI: 10.1093/femsle/fnad085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/09/2023] [Accepted: 08/25/2023] [Indexed: 09/04/2023] Open
Abstract
Narrow substrate ranges can impact heavily on the range of applications and hence commercial viability of candidate bioremediation enzymes. Here we show that an ester hydrolase from Nocardioides strain SG-4 G has potential as a bioremediation agent against various pollutants that can be detoxified by hydrolytic cleavage of some carboxylester, carbamate, or amide linkages. Previously we showed that a radiation-killed, freeze-dried preparation (ZimA) of this strain can rapidly degrade the benzimidazole fungicide carbendazim due to the activity of a specific ester hydrolase, MheI. Here, we report that ZimA also has substantial hydrolytic activity against phthalate diesters (dimethyl, dibutyl, and dioctyl phthalate), anilide (propanil and monalide), and carbamate ester (chlorpropham) herbicides under laboratory conditions. The reaction products are substantially less toxic, or inactive as herbicides, than the parent compounds. Tests of strain SG-4 G and Escherichia coli expressing MheI found they were also able to hydrolyse dimethyl phthalate, propanil, and chlorpropham, indicating that MheI is principally responsible for the above activities.
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Affiliation(s)
- Kishore K Krishnani
- CSIRO Environment, Canberra, ACT 2601, Australia
- Central Institute of Fisheries Education, Versova, Andheri (West), Mumbai 400061, India
| | - John G Oakeshott
- CSIRO Environment, Canberra, ACT 2601, Australia
- Applied BioSciences, Macquarie University, North Ryde, New South Wales 2113, Australia
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5
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Powerful Potential of Polyfluoroalkyl-Containing 4-Arylhydrazinylidenepyrazol-3-ones for Pharmaceuticals. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010059. [PMID: 36615256 PMCID: PMC9821843 DOI: 10.3390/molecules28010059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
4-Arylhydrazinylidene-5-(polyfluoroalkyl)pyrazol-3-ones (4-AHPs) were found to be obtained by the regiospecific cyclization of 2-arylhydrazinylidene-3-(polyfluoroalkyl)-3-oxoesters with hydrazines, by the azo coupling of 4-nonsubstituted pyrazol-5-oles with aryldiazonium chlorides or by the firstly discovered acid-promoted self-condensation of 2-arylhydrazinylidene-3-oxoesters. All the 4-AHPs had an acceptable ADME profile. Varying the substituents in 4-AHPs promoted the switching or combining of their biological activity. The polyfluoroalkyl residue in 4-AHPs led to the appearance of an anticarboxylesterase action in the micromolar range. An NH-fragment and/or methyl group instead of the polyfluoroalkyl one in the 4-AHPs promoted antioxidant properties in the ABTS, FRAP and ORAC tests, as well as anti-cancer activity against HeLa that was at the Doxorubicin level coupled with lower cytotoxicity against normal human fibroblasts. Some Ph-N-substituted 4-AHPs could inhibit the growth of N. gonorrhoeae bacteria at MIC 0.9 μg/mL. The possibility of using 4-AHPs for cell visualization was shown. Most of the 4-AHPs exhibited a pronounced analgesic effect in a hot plate test in vivo at and above the diclofenac and metamizole levels except for the ones with two chlorine atoms in the aryl group. The methylsulfonyl residue was proved to raise the anti-inflammatory effect also. A mechanism of the antinociceptive action of the 4-AHPs through blocking the TRPV1 receptor was proposed and confirmed using in vitro experiment and molecular docking.
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6
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Ireland D, Rabeler C, Gong T, Collins EMS. Bioactivation and detoxification of organophosphorus pesticides in freshwater planarians shares similarities with humans. Arch Toxicol 2022; 96:3233-3243. [PMID: 36173421 PMCID: PMC10729609 DOI: 10.1007/s00204-022-03387-y] [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: 06/20/2022] [Accepted: 09/21/2022] [Indexed: 11/02/2022]
Abstract
Organophosphorus pesticides (OPs) are a chemically diverse class of insecticides that inhibit acetylcholinesterase (AChE). Many OPs require bioactivation to their active oxon form via cytochrome P450 to effectively inhibit AChE. OP toxicity can be mitigated by detoxification reactions performed by carboxylesterase and paraoxonase. The relative extent of bioactivation to detoxification varies among individuals and between species, leading to differential susceptibility to OP toxicity. Because of these species differences, it is imperative to characterize OP metabolism in model systems used to assess OP toxicity. We have shown that the asexual freshwater planarian Dugesia japonica is a suitable model to assess OP neurotoxicity and developmental neurotoxicity via rapid, automated testing of adult and developing organisms in parallel using morphological and behavioral endpoints. D. japonica has two cholinesterase enzymes with intermediate properties between AChE and butyrylcholinesterase that are sensitive to OP inhibition. Here, we demonstrate that D. japonica contains the major OP metabolic machinery to be a relevant model for OP neurotoxicity studies. Adult and regenerating D. japonica can bioactivate chlorpyrifos and diazinon into their respective oxons. Significant AChE inhibition was only observed after in vivo metabolic activation but not when the parent OPs were directly added to planarian homogenate using the same concentrations and timing. Using biochemical assays, we found that D. japonica has both carboxylesterase (24 nmol/(min*mg protein)) and paraoxonase (60 pmol/(min*mg protein)) activity. We show that planarian carboxylesterase activity is distinct from cholinesterase activity using benzil and tacrine. These results further support the use of D. japonica for OP toxicity studies.
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Affiliation(s)
| | | | - TaiXi Gong
- Department of Biology, Swarthmore College, Swarthmore, PA, USA
| | - Eva-Maria S Collins
- Department of Biology, Swarthmore College, Swarthmore, PA, USA.
- Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA, USA.
- Department of Neuroscience, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Center of Excellence in Environmental Toxicology, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Physics, University of California San Diego, La Jolla, CA, USA.
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Solé M, Figueres E, Mañanós E, Rojo-Solís C, García-Párraga D. Characterisation of plasmatic B-esterases in bottlenose dolphins (Tursiops truncatus) and their potential as biomarkers of xenobiotic chemical exposures. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120149. [PMID: 36115493 DOI: 10.1016/j.envpol.2022.120149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/23/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
A total of 164 blood samples from 16 clinically healthy bottlenose dolphins (Tursiops truncatus), were obtained from an aquarium in Spain between 2019 and 2020, as part of their preventive medicine protocol. In addition to conventional haematological and biochemical analyses, plasmatic B-esterase activities were characterised to determine the potential application of such analyses in wild counterparts. The hydrolysis rates for the substrates of acetylcholinesterase (AChE), butyrylcholinesterase (BuChE) and carboxylesterase (CE) activity in plasma were measured, the last using two commercial substrates, p-nitrophenyl acetate (pNPA) and p-nitrophenyl butyrate (pNPB). Activity rates (mean ± SEM in nmol/min/mL plasma) were (in descending order): AChE (125.6 ± 3.8), pNPB-CE (65.0 ± 2.2), pNPA-CE (49.7 ± 1.1) and BuChE (12.8 ± 1.3). These values for dolphins are reported in here for the first time in this species. Additionally, the in vitro sensitivity of two B-esterases (AChE and pNPB-CE) to chemicals of environmental concern was determined, and the protective role of plasmatic albumin assessed. Out of the B-esterases measured in plasma of dolphin, AChE activity was more responsive in vitro to pesticides, while CEs had a low response to plastic additives, likely due to the protective presence of albumin. However, the clear in vitro interaction of these environmental chemicals with purified AChE from electric eels and recombinant human hCEs (hCE1 and hCE2) and albumin, predicts their impact in other tissues that require in vivo validation. A relationship between esterase-like activities and health parameters in terrestrial mammals has already been established. Thus, B-esterase measures could be easily included in marine mammal health assessment protocols for dolphins as well, once the relationship between these measures and the animal's fitness has been established.
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Affiliation(s)
- M Solé
- Institut de Ciències del Mar, CSIC, Psg. Marítim de La Barceloneta 37-49, 08003, Barcelona, Spain.
| | - E Figueres
- Institut de Ciències del Mar, CSIC, Psg. Marítim de La Barceloneta 37-49, 08003, Barcelona, Spain
| | - E Mañanós
- Institute of Aquaculture Torre La Sal (IATS),-CSIC, 12595, Cabanes, Castellón, Spain
| | - C Rojo-Solís
- Veterinary Services, Oceanogràfic, Ciudad de Las Artes y Las Ciencias, C/Eduardo Primo Yúfera (Científic) 1B, 46013, València, Spain
| | - D García-Párraga
- Veterinary Services, Oceanogràfic, Ciudad de Las Artes y Las Ciencias, C/Eduardo Primo Yúfera (Científic) 1B, 46013, València, Spain
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8
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Conjugates of Methylene Blue with Cycloalkaneindoles as New Multifunctional Agents for Potential Treatment of Neurodegenerative Disease. Int J Mol Sci 2022; 23:ijms232213925. [PMID: 36430413 PMCID: PMC9697446 DOI: 10.3390/ijms232213925] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/03/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2022] Open
Abstract
The development of multi-target-directed ligands (MTDLs) would provide effective therapy of neurodegenerative diseases (ND) with complex and nonclear pathogenesis. A promising method to create such potential drugs is combining neuroactive pharmacophoric groups acting on different biotargets involved in the pathogenesis of ND. We developed a synthetic algorithm for the conjugation of indole derivatives and methylene blue (MB), which are pharmacophoric ligands that act on the key stages of pathogenesis. We synthesized hybrid structures and performed a comprehensive screening for a specific set of biotargets participating in the pathogenesis of ND (i.e., cholinesterases, NMDA receptor, mitochondria, and microtubules assembly). The results of the screening study enabled us to find two lead compounds (4h and 4i) which effectively inhibited cholinesterases and bound to the AChE PAS, possessed antioxidant activity, and stimulated the assembly of microtubules. One of them (4i) exhibited activity as a ligand for the ifenprodil-specific site of the NMDA receptor. In addition, this lead compound was able to bypass the inhibition of complex I and prevent calcium-induced mitochondrial depolarization, suggesting a neuroprotective property that was confirmed using a cellular calcium overload model of neurodegeneration. Thus, these new MB-cycloalkaneindole conjugates constitute a promising class of compounds for the development of multitarget neuroprotective drugs which simultaneously act on several targets, thereby providing cognitive stimulating, neuroprotective, and disease-modifying effects.
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9
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Ozsan C, Kailass K, Digby EM, Almammadov T, Beharry AA, Kolemen S. Selective detection of carboxylesterase 2 activity in cancer cells using an activity-based chemiluminescent probe. Chem Commun (Camb) 2022; 58:10929-10932. [PMID: 36065979 DOI: 10.1039/d2cc03309g] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carboxylesterase 2 (CES2) has crucial roles in both xenobiotic metabolism and formation of pathogenic states including cancer. Thus, it is highly critical to monitor intracellular CES2 activity in living cancer cells. Here, we report a CES2 activatable phenoxy 1,2-dioxetane based chemiluminescent agent (CL-CES2). The probe exhibited a selective turn-on response in the presence of CES2 enzyme and enabled detection of CES2 activity in three different cancer cells that possess varying enzyme concentrations with high signal to noise ratios. In contrast no signal was obtained with CES1, an isoform of CES2 enzyme. CL-CES2 marks the first ever example of a CES2-responsive chemiluminescent luminophore and holds a great potential in further understanding the roles of CES2 activity in tumorogenesis.
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Affiliation(s)
- Cagri Ozsan
- Department of Chemistry, Koç University, 34450 Istanbul, Turkey.
| | - Karishma Kailass
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | - Elyse M Digby
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | | | - Andrew A Beharry
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | - Safacan Kolemen
- Department of Chemistry, Koç University, 34450 Istanbul, Turkey. .,Surface Science and Technology Center (KUYTAM), Koç University, 34450 Istanbul, Turkey.,Boron and Advanced Materials Application and Research Center, Koç University, 34450 Istanbul, Turkey
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10
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Gorycki P, Magee M, Ackerman P, Miao X, Moore K. Pharmacokinetics, Metabolism and Excretion of Radiolabeled Fostemsavir Administered with or without Ritonavir in Healthy Male Subjects. Xenobiotica 2022; 52:541-554. [PMID: 36083110 DOI: 10.1080/00498254.2022.2119179] [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: 10/14/2022]
Abstract
The pharmacokinetics, elimination, and metabolism of fostemsavir (FTR), a prodrug of the HIV-1 attachment inhibitor temsavir (TMR), were investigated in healthy volunteers. FTR was administered with and without ritonavir (RTV), a protease inhibitor previously shown to boost TMR exposures. In vitro studies were also used to identify the enzymes responsible for the metabolism of TMR.Total recovery of the administered dose ranged from 78% to 89%. Approximately 44% to 58% of the dose was excreted in urine, 20% to 36% in feces, and 5% in bile, as TMR and metabolites. RTV had no effect on the recovery of radioactivity in any matrix.Compared to FTR alone, pretreatment of subjects with RTV increased the exposure of TMR by ∼66% and reduced the exposure of plasma total radioactivity by ∼68%.The major route of TMR elimination was through biotransformation. TMR, M28 (N-dealkylation), and M4 (amide hydrolysis) were the major circulating components in plasma. Pretreatment with RTV increased the amount of TMR present, decreased the amount of circulating M28, and M4 was unchanged.CYP3A4 metabolism accounted for 21% of the dose, forming multiple oxidative metabolites. This pathway was inhibited by coadministration of RTV.
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Affiliation(s)
| | - Mindy Magee
- ViiV Healthcare, Research Triangle Park, NC, USA
| | | | | | - Katy Moore
- ViiV Healthcare, Research Triangle Park, NC, USA
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Omedes S, Andrade M, Escolar O, Villanueva R, Freitas R, Solé M. B-esterases characterisation in the digestive tract of the common octopus and the European cuttlefish and their in vitro responses to contaminants of environmental concern. ENVIRONMENTAL RESEARCH 2022; 210:112961. [PMID: 35181305 DOI: 10.1016/j.envres.2022.112961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 06/14/2023]
Abstract
Cephalopods are a group of marine invertebrates that have received little attention as sentinel species in comparison to other molluscs, such as bivalves. Consequently, their physiological and biochemical xenobiotic metabolism responses are poorly understood. Here we undertake a comparative analysis of the enzymatic activities involved in detoxification reactions and neural transmission in the digestive tract of two commercial cephalopods: the Common octopus, Octopus vulgaris, and the European cuttlefish, Sepia officinalis. For methodological purposes, several common B-esterases (five carboxylesterase (CE) substrates and three cholinesterase (ChE) determinations) were assayed as a proxy of metabolic and neuronal activities, respectively. Four components of the digestive tract in each species were considered: salivary glands, the stomach, the digestive gland and the caecum. The in vitro responses of digestive gland homogenates to model chemicals and contaminants of environmental concern were contrasted between both cephalopod species. The baseline biochemical activities in the four digestive tract components were also determined. Moreover, in order to validate the protocol, purified proteins, recombinant human CE (CE1 and CE2) and purified eel acetylcholinesterase (AChE) were included in the analysis. Overall, carboxylesterase activities were higher in octopus than in cuttlefish, with the activity quantified in the digestive tract components in the following order: digestive gland ≈ caecum > stomach ≈ salivary glands, with higher hydrolysis rates reached with naphthyl-derived substrates. In contrast, cuttlefish hydrolysis rates with ChE substrates were higher than in octopus. This trend was also reflected in a higher sensitivity to CE inhibitors in octopus and to AChE inhibitors in cuttlefish. Given the detoxification character of CEs and its protective role preventing AChE inhibition, octopus could be regarded as more efficiently protected than cuttlefish from neurotoxic exposures. A full characterisation of B-esterases in the digestive tract of the two common cephalopods is also provided.
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Affiliation(s)
- S Omedes
- Institut de Ciències del Mar ICM-CSIC, E-08003, Barcelona, Spain
| | - M Andrade
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - O Escolar
- Institut de Ciències del Mar ICM-CSIC, E-08003, Barcelona, Spain
| | - R Villanueva
- Institut de Ciències del Mar ICM-CSIC, E-08003, Barcelona, Spain
| | - R Freitas
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - M Solé
- Institut de Ciències del Mar ICM-CSIC, E-08003, Barcelona, Spain.
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12
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Bjedov D, Velki M, Lackmann C, Begović L, Mikuška T, Jurinović L, Mikuška A. Blood biomarkers in white stork (Ciconia ciconia) nestlings show different responses in several areas of Croatia. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART A, ECOLOGICAL AND INTEGRATIVE PHYSIOLOGY 2022; 337:547-558. [PMID: 35201670 DOI: 10.1002/jez.2588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 02/03/2022] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
White stork nestlings can provide quantitative data on the quality of the environment, as they are dependent on their parents that provide locally foraged food. Blood was sampled from the brachial vein (n = 109) and the sampling was performed in parallel with ringing during breeding season 2020 from five areas in eastern Croatia: Lonjsko polje, Jelas polje, Slavonski Brod-east, Podunavlje, and Donje Podravlje. In the present study, for the first time in Croatia, the following enzymatic biomarkers were assessed in white stork nestlings: activities of acetylcholinesterase (AChE), carboxylesterase (CES), glutathione S-transferase (GST), and glutathione reductase (GR), as well as nonenzymatic biomarkers: levels of glutathione (GSH) and reactive oxygen species (ROS). All endpoints were measured in two blood fractions: plasma and a postmitochondrial fraction (S9). Nestlings from Podunavlje and Donje Podravlje, areas known for intensive agriculture, showed lower AChE and CES activity when compared to the other investigated areas, indicating the presence of inhibitory xenobiotics. Higher oxidative stress was observed in Slavonski Brod-east, an area surrounded by metal and engineering industry, and Podunavlje compared to the other sampling areas. Hence, this study shows the impact of pollutants from the surrounding metal, petroleum, and agricultural industry might have on the biomarkers in white stork nestlings, which are often seen as early-warning signals.
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Affiliation(s)
- Dora Bjedov
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Mirna Velki
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Carina Lackmann
- Department of Evolutionary Ecology and Environmental Toxicology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Lidija Begović
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Tibor Mikuška
- Croatian Society for Birds and Nature Protection, Osijek, Croatia
| | - Luka Jurinović
- Poultry Centre, Croatian Veterinary Institute, Zagreb, Croatia
| | - Alma Mikuška
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
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13
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Huttunen J, Agami M, Tampio J, Montaser AB, Huttunen KM. Comparison of Experimental Strategies to Study l-Type Amino Acid Transporter 1 (LAT1) Utilization by Ligands. Molecules 2021; 27:molecules27010037. [PMID: 35011270 PMCID: PMC8746705 DOI: 10.3390/molecules27010037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 01/08/2023] Open
Abstract
l-Type amino acid transporter 1 (LAT1), expressed abundantly in the brain and placenta and overexpressed in several cancer cell types, has gained a lot of interest in drug research and development, as it can be utilized for brain-targeted drug delivery, as well as inhibiting the essential amino acid supply to cancer cells. The structure of LAT1 is today very well-known and the interactions of ligands at the binding site of LAT1 can be modeled and explained. However, less is known of LAT1′s life cycle within the cells. Moreover, the functionality of LAT1 can be measured by several different methods, which may vary between the laboratories and make the comparison of the results challenging. In the present study, the usefulness of indirect cis-inhibition methods and direct cellular uptake methods and their variations to interpret the interactions of LAT1-ligands were evaluated. Moreover, this study also highlights the importance of understanding the intracellular kinetics of LAT1-ligands, and how they can affect the regular function of LAT1 in critical tissues, such as the brain. Hence, it is discussed herein how the selected methodology influences the outcome and created knowledge of LAT1-utilizing compounds.
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14
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Jia Y, Wang J, Li P, Ma X, Han K. Directionally Modified Fluorophores for Super-Resolution Imaging of Target Enzymes: A Case Study with Carboxylesterases. J Med Chem 2021; 64:16177-16186. [PMID: 34694804 DOI: 10.1021/acs.jmedchem.1c01469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the need for improving the labeling quality of super-resolution imaging, multifarious fluorescent labeling strategies have sprang up. Among them, a small molecule inhibitor-probe (SMI-probe) shows its advancement in fine mapping due to its smaller size and its specific binding to a specific site. Herein, we report a novel protocol of mechanism-guided directional modification of fluorophores into fluorescent inhibitors for enzyme targeting, which could half the size of the SMI-probe. To confirm the feasibility of the strategy, carboxylesterase (hCE) inhibitors are designed and developed. Among the constructed molecule candidates, NIC-4 inhibited both isoforms of hCE1 and hCE2, with IC50 values of 4.56 and 4.11 μM. The CE-targeting specificity of NIC-4 was confirmed by colocalizing with an immunofluorescent probe in fixed-cell confocal imaging. Moreover, NIC-4 was used in live-cell super-resolution microscopy, which indicates dotlike structures instead of the larger staining with the immunofluorescent probe. Moreover, it enables the real-time tracking of dynamic flow of carboxylesterases in live cells.
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Affiliation(s)
- Yan Jia
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian 116023, China
| | - Jiayue Wang
- Department of Pharmacy, Peking University Shenzhen Hospital, Shenzhen 518036, China.,College of Pharmacy, Academy of Integrative Medicine, Dalian Medical University, Dalian 116044, China
| | - Peng Li
- Institute of Molecular Sciences and Engineering, Shandong University, Qingdao 266237, China
| | - Xiaochi Ma
- College of Pharmacy, Academy of Integrative Medicine, Dalian Medical University, Dalian 116044, China
| | - Keli Han
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian 116023, China.,Institute of Molecular Sciences and Engineering, Shandong University, Qingdao 266237, China
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15
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Solé M, Montemurro N, Pérez S. Biomarker responses and metabolism in Lumbricus terrestris exposed to drugs of environmental concern, an in vivo and in vitro approach. CHEMOSPHERE 2021; 277:130283. [PMID: 33774234 DOI: 10.1016/j.chemosphere.2021.130283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/04/2021] [Accepted: 03/06/2021] [Indexed: 06/12/2023]
Abstract
The earthworm Lumbricus terrestris is an anecic species living in natural soils but it is also a sentinel in pollution monitoring. Specimens of L.terrestris were exposed for 48 h though the filter paper contact test at 1 mg/mL of the chemicals: Lamotrigine (LMG), Cocaine (COC), Fipronil (FIP) and the pesticide bis-4-nitrophenyl phosphate (BNPP). After that period, the activities of Acetylcholinesterase, Glutathione S-transferase, Carboxylesterase (CE) using different substrates, and lipid peroxidation levels were evaluated in the exposed whole tissue earthworms. The results revealed differences only in CE activity, with 4-nitrophenyl butyrate (4NPB) and 1-naphthyl butyrate (1NB) the most responsive substrates to COC. The kinetic parameters of CE were characterized, for the first time, in whole tissue of this species. The chemical analysis by LC-MS/MS, confirmed the exposure to the parent compounds, identified metabolites and evidenced biotransformation pathways in earthworms. Metabolic reactions included oxidation (LMG and FIP), hydrolysis (COC and FIP) as well as glycosylation (LMG, COC and FIP). A hitherto unknown metabolite of LMG due to the conjugation with phenylalanine glutamine was formed. The in vivo results on CE activity with the specific inhibitor, BNPP, were confirmed in vitro. Moreover, in the in vitro approach, the inclusion of other contaminants of environmental concern supports the potential of CE as biomarker. This study identifies the main metabolites formed by earthworms for further in vivo exposures under more realistic conditions and the potential use of CE measures as biomarker of emerging contaminants.
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Affiliation(s)
- M Solé
- Renewable Marine Resources Department, Institute of Marine Sciences (ICM-CSIC), Barcelona, Spain.
| | - N Montemurro
- ENFOCHEM, Department of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034, Barcelona, Spain
| | - S Pérez
- ENFOCHEM, Department of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034, Barcelona, Spain
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16
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Di Consiglio E, Darney K, Buratti FM, Turco L, Vichi S, Testai E, Lautz LS, Dorne JLCM. Human Variability in Carboxylesterases and carboxylesterase-related Uncertainty Factors for Chemical Risk Assessment. Toxicol Lett 2021; 350:162-170. [PMID: 34256091 DOI: 10.1016/j.toxlet.2021.07.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 06/24/2021] [Accepted: 07/08/2021] [Indexed: 10/20/2022]
Abstract
Carboxylesterases (CES) are an important class of enzymes involved in the hydrolysis of a range of chemicals and show large inter-individual variability in vitro. An extensive literature search was performed to identify in vivo probe substrates for CES1 and CES2 together with their protein content and enzymatic activity. Human pharmacokinetic (PK) data on Cmax, clearance, and AUC were extracted from 89 publications and Bayesian meta-analysis was performed using a hierarchical model to derive CES-related variability distributions and related uncertainty factors (UF). The CES-related variability indicated that 97.5% of healthy adults are covered by the kinetic default UF (3.16), except for clopidogrel and dabigatran etexilate. Clopidogrel is metabolised for a small amount by the polymorphic CYP2C19, which can have an impact on the overall pharmacokinetics, while the variability seen for dabigatran etexilate might be due to differences in the absorption, since this can be influenced by food intake. The overall CES-related variability was moderate to high in vivo (<CV 50%), which might be due to possible polymorphism in the enzyme but also to the small sample size available per chemical. The presented CES-related variability can be used in combination with in vitro data to derive pathway-specific distributions.
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Affiliation(s)
- E Di Consiglio
- Istituto Superiore di Sanità, Environment & Health Department, Viale Regina Elena 299, Roma, Italy
| | - K Darney
- Risk Assessment Department, French Agency for Food, Environmental and Occupational Health & Safety (Anses), 14 rue Pierre et Marie Curie, Maisons-Alfort, F-94701, France.
| | - F M Buratti
- Istituto Superiore di Sanità, Environment & Health Department, Viale Regina Elena 299, Roma, Italy
| | - L Turco
- Istituto Superiore di Sanità, Environment & Health Department, Viale Regina Elena 299, Roma, Italy
| | - S Vichi
- Istituto Superiore di Sanità, Environment & Health Department, Viale Regina Elena 299, Roma, Italy
| | - E Testai
- Istituto Superiore di Sanità, Environment & Health Department, Viale Regina Elena 299, Roma, Italy
| | - L S Lautz
- Risk Assessment Department, French Agency for Food, Environmental and Occupational Health & Safety (Anses), 14 rue Pierre et Marie Curie, Maisons-Alfort, F-94701, France; Wageningen Food Safety Research, Akkermaalsbos 2, 6708WB, Wageningen, the Netherlands
| | - J L C M Dorne
- European Food Safety Authority, Via Carlo Magno 1A, 43126, Parma, Italy
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17
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Deb S, Reeves AA, Hopefl R, Bejusca R. ADME and Pharmacokinetic Properties of Remdesivir: Its Drug Interaction Potential. Pharmaceuticals (Basel) 2021; 14:ph14070655. [PMID: 34358081 PMCID: PMC8308800 DOI: 10.3390/ph14070655] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/24/2021] [Accepted: 06/28/2021] [Indexed: 02/07/2023] Open
Abstract
On 11 March 2020, the World Health Organization (WHO) classified the Coronavirus Disease 2019 (COVID-19) as a global pandemic, which tested healthcare systems, administrations, and treatment ingenuity across the world. COVID-19 is caused by the novel beta coronavirus Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Since the inception of the pandemic, treatment options have been either limited or ineffective. Remdesivir, a drug originally designed to be used for Ebola virus, has antiviral activity against SARS-CoV-2 and has been included in the COVID-19 treatment regimens. Remdesivir is an adenosine nucleotide analog prodrug that is metabolically activated to a nucleoside triphosphate metabolite (GS-443902). The active nucleoside triphosphate metabolite is incorporated into the SARS-CoV-2 RNA viral chains, preventing its replication. The lack of reported drug development and characterization studies with remdesivir in public domain has created a void where information on the absorption, distribution, metabolism, elimination (ADME) properties, pharmacokinetics (PK), or drug-drug interaction (DDI) is limited. By understanding these properties, clinicians can prevent subtherapeutic and supratherapeutic levels of remdesivir and thus avoid further complications in COVID-19 patients. Remdesivir is metabolized by both cytochrome P450 (CYP) and non-CYP enzymes such as carboxylesterases. In this narrative review, we have evaluated the currently available ADME, PK, and DDI information about remdesivir and have discussed the potential of DDIs between remdesivir and different COVID-19 drug regimens and agents used for comorbidities. Considering the nascent status of remdesivir in the therapeutic domain, extensive future work is needed to formulate safer COVID-19 treatment guidelines involving this medication.
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Wu X, Wang R, Qi S, Kwon N, Han J, Kim H, Li H, Yu F, Yoon J. Rational Design of a Highly Selective Near‐Infrared Two‐Photon Fluorogenic Probe for Imaging Orthotopic Hepatocellular Carcinoma Chemotherapy. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaofeng Wu
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Rui Wang
- Key Laboratory of Emergency and Trauma Ministry of Education Key Laboratory of Hainan Trauma and Disaster Rescue The First Affiliated Hospital of Hainan Medical University Institute of Functional Materials and Molecular Imaging College of Emergency and Trauma Hainan Medical University Haikou 571199 China
| | - Sujie Qi
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Nahyun Kwon
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Jingjing Han
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Heejeong Kim
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Haidong Li
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Fabiao Yu
- Key Laboratory of Emergency and Trauma Ministry of Education Key Laboratory of Hainan Trauma and Disaster Rescue The First Affiliated Hospital of Hainan Medical University Institute of Functional Materials and Molecular Imaging College of Emergency and Trauma Hainan Medical University Haikou 571199 China
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
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19
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Wu X, Wang R, Qi S, Kwon N, Han J, Kim H, Li H, Yu F, Yoon J. Rational Design of a Highly Selective Near‐Infrared Two‐Photon Fluorogenic Probe for Imaging Orthotopic Hepatocellular Carcinoma Chemotherapy. Angew Chem Int Ed Engl 2021; 60:15418-15425. [DOI: 10.1002/anie.202101190] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/08/2021] [Indexed: 12/11/2022]
Affiliation(s)
- Xiaofeng Wu
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Rui Wang
- Key Laboratory of Emergency and Trauma Ministry of Education Key Laboratory of Hainan Trauma and Disaster Rescue The First Affiliated Hospital of Hainan Medical University Institute of Functional Materials and Molecular Imaging College of Emergency and Trauma Hainan Medical University Haikou 571199 China
| | - Sujie Qi
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Nahyun Kwon
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Jingjing Han
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Heejeong Kim
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Haidong Li
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
| | - Fabiao Yu
- Key Laboratory of Emergency and Trauma Ministry of Education Key Laboratory of Hainan Trauma and Disaster Rescue The First Affiliated Hospital of Hainan Medical University Institute of Functional Materials and Molecular Imaging College of Emergency and Trauma Hainan Medical University Haikou 571199 China
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience Ewha Womans University Seoul 03706 Republic of Korea
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20
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Bhatt P, Zhou X, Huang Y, Zhang W, Chen S. Characterization of the role of esterases in the biodegradation of organophosphate, carbamate, and pyrethroid pesticides. JOURNAL OF HAZARDOUS MATERIALS 2021; 411:125026. [PMID: 33461010 DOI: 10.1016/j.jhazmat.2020.125026] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/08/2020] [Accepted: 12/30/2020] [Indexed: 06/12/2023]
Abstract
Ester-containing organophosphate, carbamate, and pyrethroid (OCP) pesticides are used worldwide to minimize the impact of pests and increase agricultural production. The toxicity of these chemicals to humans and other organisms has been widely reported. Chemically, these pesticides share an ester bond in their parent structures. A particular group of hydrolases, known as esterases, can catalyze the first step in ester-bond hydrolysis, and this initial regulatory metabolic reaction accelerates the degradation of OCP pesticides. Esterases can be naturally found in plants, animals, and microorganisms. Previous research on the esterase enzyme mechanisms revealed that the active sites of esterases contain serine residues that catalyze reactions via a nucleophilic attack on the substrates. In this review, we have compiled the previous research on esterases from different sources to determine and summarize the current knowledge of their properties, classifications, structures, mechanisms, and their applications in the removal of pesticides from the environment. This review will enhance the understanding of the scientific community when studying esterases and their applications for the degradation of broad-spectrum ester-containing pesticides.
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Affiliation(s)
- Pankaj Bhatt
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Xiaofan Zhou
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Wenping Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China.
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21
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Hu SX, Ernst K, Benner CP, Feenstra KL. Stability of Ketoprofen Methylester in Plasma of Different Species. Curr Drug Metab 2021; 22:215-223. [PMID: 33334282 DOI: 10.2174/1389200221666201217141025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/30/2020] [Accepted: 11/04/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Pharmacokinetic and pharmacodynamic assessment of ester-containing drugs can be impacted by hydrolysis of the drugs in plasma samples post blood collection. The impact is different in the plasma of different species. OBJECTIVE This study evaluated the stability of a prodrug, ketoprofen methylester (KME), in commercially purchased and freshly collected plasma of mouse, rat, dog, cat, pig, sheep, cattle and horse. METHODS KME hydrolysis was determined following its incubation in commercially purchased and freshly collected plasma of those species. Different esterase inhibitors were evaluated for prevention of the hydrolysis in rat, dog and pig plasma. RESULTS KME was rapidly hydrolyzed in both commercially purchased and freshly collected plasma of mouse, rat, and horse. The hydrolysis was initially quick and then limited in cat plasma. KME hydrolysis was minimum in commercially purchased plasma of dog, pig, sheep and cattle but substantial in freshly collected plasma of those species. Different esterase inhibitors showed different effects on the stability of KME in rat, dog and pig plasma. CONCLUSION These results indicate that plasma of different species has different hydrolytic activities to estercontaining drugs. The activities in commercially purchased and freshly collected plasma may be different and species-dependent. Esterase inhibitors have different effects on preventing hydrolysis of the ester-containing drugs in the plasma of different species.
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Affiliation(s)
- Steven X Hu
- Zoetis, Inc., Veterinary Medicine Research and Development, Kalamazoo, MI 49007, United States
| | - Kelsey Ernst
- Zoetis, Inc., Veterinary Medicine Research and Development, Kalamazoo, MI 49007, United States
| | - Charles P Benner
- Zoetis, Inc., Veterinary Medicine Research and Development, Kalamazoo, MI 49007, United States
| | - Kenneth L Feenstra
- Zoetis, Inc., Veterinary Medicine Research and Development, Kalamazoo, MI 49007, United States
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22
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Synthesis of new efficient and selective carboxylesterase inhibitors based on adamantyl and citronellyl 4,4,4-trifluoro-2-arylhydrazonylidene-3-oxobutanoates. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3126-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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23
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Makhaeva GF, Lushchekina SV, Boltneva NP, Serebryakova OG, Kovaleva NV, Rudakova EV, Elkina NA, Shchegolkov EV, Burgart YV, Stupina TS, Terentiev AA, Radchenko EV, Palyulin VA, Saloutin VI, Bachurin SO, Richardson RJ. Novel potent bifunctional carboxylesterase inhibitors based on a polyfluoroalkyl-2-imino-1,3-dione scaffold. Eur J Med Chem 2021; 218:113385. [PMID: 33831780 DOI: 10.1016/j.ejmech.2021.113385] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 01/04/2023]
Abstract
An expanded series of alkyl 2-arylhydrazinylidene-3-oxo-3-polyfluoroalkylpropionates (HOPs) 3 was obtained via Cu(OAc)2-catalyzed azo coupling. All were nanomolar inhibitors of carboxylesterase (CES), while moderate or weak inhibitors of acetylcholinesterase and butyrylcholinesterase. Steady-state kinetics studies showed that HOPs 3 are mixed type inhibitors of the three esterases. Molecular docking studies demonstrated that two functional groups in the structure of HOPs, trifluoromethyl ketone (TFK) and ester groups, bind to the CES active site suggesting subsequent reactions: formation of a tetrahedral adduct, and a slow hydrolysis reaction. The results of molecular modeling allowed us to explain some structure-activity relationships of CES inhibition by HOPs 3: their selectivity toward CES in comparison with cholinesterases and the high selectivity of pentafluoroethyl-substituted HOP 3p to hCES1 compared to hCES2. All compounds were predicted to have good intestinal absorption and blood-brain barrier permeability, low cardiac toxicity, good lipophilicity and aqueous solubility, and reasonable overall drug-likeness. HOPs with a TFK group and electron-donor substituents in the arylhydrazone moiety were potent antioxidants. All compounds possessed low cytotoxicity and low acute toxicity. Overall, a new promising type of bifunctional CES inhibitors has been found that are able to interact with the active site of the enzyme with the participation of two functional groups. The results indicate that HOPs have the potential to be good candidates as human CES inhibitors for biomedicinal applications.
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Affiliation(s)
- Galina F Makhaeva
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Sofya V Lushchekina
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia; Emanuel Institute of Biochemical Physics Russian Academy of Sciences, Moscow, 119334, Russia
| | - Natalia P Boltneva
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Olga G Serebryakova
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Nadezhda V Kovaleva
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Elena V Rudakova
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Natalia A Elkina
- Postovsky Institute of Organic Synthesis, Urals Branch of Russian Academy of Sciences, Ekaterinburg, 620990, Russia
| | - Evgeny V Shchegolkov
- Postovsky Institute of Organic Synthesis, Urals Branch of Russian Academy of Sciences, Ekaterinburg, 620990, Russia
| | - Yanina V Burgart
- Postovsky Institute of Organic Synthesis, Urals Branch of Russian Academy of Sciences, Ekaterinburg, 620990, Russia
| | - Tatyana S Stupina
- Institute of Problems of Chemical Physics Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Alexey A Terentiev
- Institute of Problems of Chemical Physics Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Eugene V Radchenko
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia; Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Vladimir A Palyulin
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia; Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Victor I Saloutin
- Postovsky Institute of Organic Synthesis, Urals Branch of Russian Academy of Sciences, Ekaterinburg, 620990, Russia
| | - Sergey O Bachurin
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
| | - Rudy J Richardson
- Department of Environmental Health Sciences, University of Michigan, Ann Arbor, MI, 48109, USA; Department of Neurology, University of Michigan, Ann Arbor, MI, 48109, USA; Center of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, 48109, USA.
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24
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Sharma A, Chun J, Ji MS, Lee S, Kang C, Kim JS. Binary Prodrug of Dichloroacetic Acid and Doxorubicin with Enhanced Anticancer Activity. ACS APPLIED BIO MATERIALS 2021; 4:2026-2032. [PMID: 35014328 DOI: 10.1021/acsabm.0c00443] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The inevitable challenge in conventional chemotherapy is to deliver the anticancer drugs to the dense population of tumors cells while minimizing the drug-associated side effects on the normal cells. Cancer cells' preference for glycolysis for energy production is well recognized. Intuitively, taking advantage of such cancer-associated metabolism would be a promising strategy for anticancer drug delivery with minimal side effects. In this investigation, we have designed a binary prodrug PDOX as a sequential drug delivery regimens to realize the combination therapy for cancer. As cancer cells exhibit abrupt metabolism with elevated pyruvate dehydrogenase kinase (PDK) activity, dichloroacetic acid (DCA, a well-known PDK inhibitor) was used in combination with anticancer drug doxorubicin (DOX). The designed molecular prodrug was activated selectively by cancer-associated esterase to deliver DCA and DOX, respectively, and induced synergetic effects. Hence, sequential targeted delivery of molecular prodrug PDOX offers a promising approach to overcome the offside drug toxicity, pharmacokinetics, and biodistribution of individuals and provide an alternative option for cancer treatment.
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Affiliation(s)
- Amit Sharma
- Department of Chemistry, Korea University, Seoul 02841, Korea.,CSIR-Central Scientific Instruments Organization, Sector-30C, Chandigarh 160030, India
| | - Jieun Chun
- The School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea
| | - Myung Sun Ji
- Department of Chemistry, Korea University, Seoul 02841, Korea
| | - Sooyeon Lee
- The School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea
| | - Chulhun Kang
- The School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea
| | - Jong Seung Kim
- Department of Chemistry, Korea University, Seoul 02841, Korea
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25
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Johnson JB, Mani JS, Broszczak D, Prasad SS, Ekanayake CP, Strappe P, Valeris P, Naiker M. Hitting the sweet spot: A systematic review of the bioactivity and health benefits of phenolic glycosides from medicinally used plants. Phytother Res 2021; 35:3484-3508. [PMID: 33615599 DOI: 10.1002/ptr.7042] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 01/24/2021] [Accepted: 01/25/2021] [Indexed: 02/01/2023]
Abstract
Phenolic acid and flavonoid glycosides form a varied class of naturally occurring compounds, characterised by high polarity-resulting from the glycone moiety-and the presence of multiple phenol functionalities, which often leads to strong antioxidant activity. Phenolic glycosides, and in particular flavonoid glycosides, may possess strong bioactive properties with broad spectrum activity. This systematic literature review provides a detailed overview of 28 studies examining the biological activity of phenolic and flavonoid glycosides from plant sources, highlighting the potential of these compounds as therapeutic agents. The activity of glycosides depends upon the biological activity type, identity of the aglycone and the identity and specific location of the glycone moiety. From studies reporting the activity of both glycosides and their respective aglycones, phenolic glycosides appear to generally be a storage/reserve pool of precursors of more bioactive compounds. The glycosylated compounds are likely to be more bioavailable compared to their aglycone forms, due to the presence of the sugar moieties. Hydrolysis of the glycoside in the in vivo environment would release the free aglycone, potentiating their biological activity. However, further high-quality studies are needed to firmly establish the clinical efficacy of glycosides from many of the plant species studied.
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Affiliation(s)
- Joel B Johnson
- School of Health, Medical and Applied Sciences, CQUniversity, North Rockhampton, Queensland, Australia.,Centre for Indigenous Health Equity Research, CQUniversity, North Rockhampton, Queensland, Australia
| | - Janice S Mani
- School of Health, Medical and Applied Sciences, CQUniversity, North Rockhampton, Queensland, Australia.,Centre for Indigenous Health Equity Research, CQUniversity, North Rockhampton, Queensland, Australia
| | - Daniel Broszczak
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Shirtika S Prasad
- Faculty of Science, Technology and Engineering, The University of the South Pacific, Suva, Fiji
| | - Charitha P Ekanayake
- Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - Padraig Strappe
- School of Health, Medical and Applied Sciences, CQUniversity, North Rockhampton, Queensland, Australia
| | - Peter Valeris
- Shimadzu Scientific Instruments (Oceania) Pty Ltd, Rydalmere, New South Wales, Australia
| | - Mani Naiker
- School of Health, Medical and Applied Sciences, CQUniversity, North Rockhampton, Queensland, Australia.,Centre for Indigenous Health Equity Research, CQUniversity, North Rockhampton, Queensland, Australia
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26
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Dwyer BG, Wang C, Abegg D, Racioppo B, Qiu N, Zhao Z, Pechalrieu D, Shuster A, Hoch DG, Adibekian A. Chemoproteomics-Enabled De Novo Discovery of Photoswitchable Carboxylesterase Inhibitors for Optically Controlled Drug Metabolism. Angew Chem Int Ed Engl 2021; 60:3071-3079. [PMID: 33035395 DOI: 10.1002/anie.202011163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/07/2020] [Indexed: 12/28/2022]
Abstract
Herein, we report arylazopyrazole ureas and sulfones as a novel class of photoswitchable serine hydrolase inhibitors and present a chemoproteomic platform for rapid discovery of optically controlled serine hydrolase targets in complex proteomes. Specifically, we identify highly potent and selective photoswitchable inhibitors of the drug-metabolizing enzymes carboxylesterases 1 and 2 and demonstrate their pharmacological application by optically controlling the metabolism of the immunosuppressant drug mycophenolate mofetil. Collectively, this proof-of-concept study provides a first example of photopharmacological tools to optically control drug metabolism by modulating the activity of a metabolizing enzyme. Our arylazopyrazole ureas and sulfones offer synthetically accessible scaffolds that can be expanded to identify specific photoswitchable inhibitors for other serine hydrolases, including lipases, peptidases, and proteases. Our chemoproteomic platform can be applied to other photoswitches and scaffolds to achieve optical control over diverse protein classes.
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Affiliation(s)
- Brendan G Dwyer
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Chao Wang
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA.,Current address: Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Daniel Abegg
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Brittney Racioppo
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Nan Qiu
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Zhensheng Zhao
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Dany Pechalrieu
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Anton Shuster
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Dominic G Hoch
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA.,Current address: Laboratory of Organic Chemistry, ETH Zürich, 8093, Zürich, Switzerland
| | - Alexander Adibekian
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
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27
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Solé M, Freitas R, Rivera-Ingraham G. The use of an in vitro approach to assess marine invertebrate carboxylesterase responses to chemicals of environmental concern. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 82:103561. [PMID: 33307128 DOI: 10.1016/j.etap.2020.103561] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 06/12/2023]
Abstract
Carboxylesterases (CEs) are key enzymes which catalyse the hydrolysis reactions of multiple xenobiotics and endogenous ester moieties. Given their growing interest in the context of marine pollution and biomonitoring, this study focused on the in vitro sensitivity of marine invertebrate CEs to some pesticides, pharmaceuticals, personal care products and plastic additives to assess their potential interaction on this enzymatic system and its suitability as biomarkers. Three bivalves, one gastropod and two crustaceans were used and CEs were quantified following current protocols set for mammalian models. Four substrates were screened for CEs determination and to test their adequacy in the hepatic fraction measures of the selected invertebrates. Two commercial recombinant human isoforms (hCE1 and hCE2) were also included for methodological validation. Among the invertebrates, mussels were revealed as the most sensitive to xenobiotic exposures while gastropods were the least as well as with particular substrate-specific preferences. Among chemicals of environmental concern, the plastic additive tetrabromobisphenol A displayed the highest CE-inhibitory capacity in all species. Since plastic additives easily breakdown from the polymer and may accumulate and metabolise in marine biota, their interaction with the CE key metabolic/detoxification processes may have consequences in invertebrate's physiology, affect bioaccumulation and therefore trophic web transfer and, ultimately, human health as shellfish consumers.
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Affiliation(s)
- Montserrat Solé
- Institute of Marine Sciences (ICM-CSIC), Pg. Marítim de la Barceloneta 37-49, 08003, Barcelona, Spain.
| | - Rosa Freitas
- Department of Biology & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Georgina Rivera-Ingraham
- Laboratorio de Fisiología y Genética Marina, Centro de Estudios Avanzados en Zonas Áridas, Universidad Católica del Norte, Larrondo, 1281, Coquimbo, Chile
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28
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Dwyer BG, Wang C, Abegg D, Racioppo B, Qiu N, Zhao Z, Pechalrieu D, Shuster A, Hoch DG, Adibekian A. Chemoproteomics‐Enabled De Novo Discovery of Photoswitchable Carboxylesterase Inhibitors for Optically Controlled Drug Metabolism. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Brendan G. Dwyer
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Chao Wang
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
- Current address: Department of Molecular Medicine The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Daniel Abegg
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Brittney Racioppo
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Nan Qiu
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Zhensheng Zhao
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Dany Pechalrieu
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Anton Shuster
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
| | - Dominic G. Hoch
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
- Current address: Laboratory of Organic Chemistry ETH Zürich 8093 Zürich Switzerland
| | - Alexander Adibekian
- Department of Chemistry The Scripps Research Institute 130 Scripps Way Jupiter FL 33458 USA
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29
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Zhao YS, Qian XK, Guan XQ, Song PF, Song YQ, He RJ, Sun MR, Wang XY, Zou LW, Ge GB. Discovery of natural alkaloids as potent and selective inhibitors against human carboxylesterase 2. Bioorg Chem 2020; 105:104367. [PMID: 33080495 DOI: 10.1016/j.bioorg.2020.104367] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 09/02/2020] [Accepted: 10/08/2020] [Indexed: 01/10/2023]
Abstract
Human Carboxylesterase 2A (hCES2A), one of the most important serine hydrolases, plays crucial roles in the hydrolysis and the metabolic activation of a wide range of esters and amides. Increasing evidence has indicated that potent inhibition on intestinal hCES2A may reduce the excessive accumulation of SN-38 (the hydrolytic metabolite of irinotecan with potent cytotoxicity) in the intestinal tract and thereby alleviate the intestinal toxicity triggered by irinotecan. In this study, more than sixty natural alkaloids have been collected and their inhibitory effects against hCES2A are assayed using a fluorescence-based biochemical assay. Following preliminary screening, seventeen alkaloids are found with strong to moderate hCES2A inhibition activity. Primary structure-activity relationships (SAR) analysis of natural isoquinoline alkaloids reveal that the benzo-1,3-dioxole group and the aromatic pyridine structure are beneficial for hCES2A inhibition. Further investigations demonstrate that a steroidal alkaloid reserpine exhibits strong hCES2A inhibition activity (IC50 = 0.94 μM) and high selectivity over other human serine hydrolases including hCES1A, dipeptidyl peptidase IV (DPP-IV), butyrylcholinesterase (BChE) and thrombin. Inhibition kinetic analyses demonstrated that reserpine acts as a non-competitive inhibitor against hCES2A-mediated FD hydrolysis. Molecular docking simulations demonstrated that the potent inhibition of hCES2A by reserpine could partially be attributed to its strong σ-π and S-π interactions between reserpine and hCES2A. Collectively, our findings suggest that reserpine is a potent and highly selective inhibitor of hCES2A, which can be served as a promising lead compound for the development of more efficacious and selective alkaloids-type hCES2A inhibitors for biomedical applications.
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Affiliation(s)
- Yi-Shu Zhao
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xing-Kai Qian
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiao-Qing Guan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Pei-Fang Song
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yun-Qing Song
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Rong-Jing He
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Meng-Ru Sun
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xiu-Yang Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Li-Wei Zou
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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30
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Simonsen D, Cwiertny DM, Lehmler HJ. Benoxacor is enantioselectively metabolized by rat liver subcellular fractions. Chem Biol Interact 2020; 330:109247. [PMID: 32866466 DOI: 10.1016/j.cbi.2020.109247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 08/19/2020] [Accepted: 08/27/2020] [Indexed: 10/23/2022]
Abstract
This study investigated the enantioselective metabolism of benoxacor, an ingredient of herbicide formulations, in microsomes or cytosol prepared from female or male rat livers. Benoxacor was incubated for ≤30 min with microsomes or cytosol, and its enantioselective depletion was measured using gas chromatographic methods. Benoxacor was depleted in incubations with active microsomes in the presence and absence of NADPH, suggesting its metabolism by hepatic cytochrome P450 enzymes (CYPs) and microsomal carboxylesterases (CESs). Benoxacor was depleted in cytosolic incubations in the presence of glutathione, consistent with its metabolism by glutathione S-transferases (GSTs). The depletion of benoxacor was faster in incubations with cytosol from male than female rats, whereas no statistically significant sex differences were observed in microsomal incubations. The consumption of benoxacor was inhibited by the CYP inhibitor 1-aminobenzotriazole, the CES inhibitor benzil, and the GST inhibitor ethacrynic acid. Estimates of the intrinsic clearance of benoxacor suggest that CYPs are the primary metabolic enzyme responsible for benoxacor metabolism in rats. Microsomal incubations showed an enrichment of the first eluting benoxacor enantiomer (E1-benoxacor). A greater enrichment occurred in incubations with microsomes from female (EF = 0.67 ± 0.01) than male rats (EF = 0.60 ± 0.01). Cytosolic incubations from female rats resulted in enrichment of E1-benoxacor (EF = 0.54 ± 0.01), while cytosolic incubations from male rats displayed enrichment of the second eluting enantiomer (E2-benoxacor; EF = 0.43 ± 0.01). Sex-dependent differences in the metabolism of benoxacor in rats could significantly impact ecological risks and mammalian toxicity. Moreover, changes in the enantiomeric enrichment of benoxacor may be a powerful tool for environmental fate and transport studies.
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Affiliation(s)
- Derek Simonsen
- Department of Occupational and Environmental Health, The University of Iowa, Iowa City, IA, 52242, United States; Interdisciplinary Graduate Program in Human Toxicology, The University of Iowa, Iowa City, IA, 52242, United States; IIHR Hydroscience and Engineering, The University of Iowa, Iowa City, IA, 52242, United States
| | - David M Cwiertny
- IIHR Hydroscience and Engineering, The University of Iowa, Iowa City, IA, 52242, United States; Department of Civil and Environmental Engineering, The University of Iowa, Iowa City, IA, 52242, United States; Center for Health Effects of Environmental Contamination, The University of Iowa, Iowa City, 52242, Iowa, USA
| | - Hans-Joachim Lehmler
- Department of Occupational and Environmental Health, The University of Iowa, Iowa City, IA, 52242, United States; Interdisciplinary Graduate Program in Human Toxicology, The University of Iowa, Iowa City, IA, 52242, United States; IIHR Hydroscience and Engineering, The University of Iowa, Iowa City, IA, 52242, United States.
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31
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Huo PC, Guan XQ, Liu P, Song YQ, Sun MR, He RJ, Zou LW, Xue LJ, Shi JH, Zhang N, Liu ZG, Ge GB. Design, synthesis and biological evaluation of indanone-chalcone hybrids as potent and selective hCES2A inhibitors. Eur J Med Chem 2020; 209:112856. [PMID: 33007602 DOI: 10.1016/j.ejmech.2020.112856] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 09/09/2020] [Accepted: 09/17/2020] [Indexed: 11/30/2022]
Abstract
Human carboxylesterase 2 (hCES2A), one of the major serine hydrolases distributed in the small intestine, plays a crucial role in hydrolysis of ester-bearing drugs. Accumulating evidence has indicated that hCES2A inhibitor therapy can modulate the pharmacokinetic and toxicological profiles of some important hCES2A-substrate drugs, such as the anticancer agent CPT-11. Herein, a series of indanone-chalcone hybrids are designed and synthesized to find potent and highly selective hCES2A inhibitors. Inhibition assays demonstrated that most indanone-chalcone hybrids displayed strong to moderate hCES2A inhibition activities. Structure-hCES2A inhibition activity relationship studies showed that introduction of a hydroxyl at the C4' site and introduction of an N-alkyl group at the C6 site were beneficial for hCES2A inhibition. Particularly, B7 (an N-alkylated 1-indanone-chalcone hybrid) exhibited the most potent inhibition on hCES2A and excellent specificity (this agent could not inhibit other human esterases including hCES1A and butyrylcholinesterase). Inhibition kinetic analyses demonstrated that B7 potently inhibited hCES2A-mediated FD hydrolysis in a mixed inhibition manner, with a calculated Ki value of 0.068 μM. Furthermore, B7 was capable of inhibiting intracellular hCES2A in living cells and displayed good metabolic stability. Collectively, our findings show that indanone-chalcone hybrids are good choices for the development of hCES2A inhibitors, while B7 is a promising candidate for the development of novel anti-diarrhea agents to ameliorate irinotecan-induced intestinal toxicity.
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Affiliation(s)
- Peng-Chao Huo
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiao-Qing Guan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Peng Liu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yun-Qing Song
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Meng-Ru Sun
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Rong-Jing He
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li-Wei Zou
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li-Juan Xue
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jin-Hui Shi
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Nan Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.
| | - Zhi-Guo Liu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Guang-Bo Ge
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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32
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Khudina OG, Makhaeva GF, Elkina NA, Boltneva NP, Serebryakova OG, Shchegolkov EV, Rudakova EV, Lushchekina SV, Burgart YV, Bachurin SO, Richardson RJ, Saloutin VI. Synthesis of 2-arylhydrazinylidene-3-oxo-4,4,4-trifluorobutanoic acids as new selective carboxylesterase inhibitors and radical scavengers. Bioorg Med Chem Lett 2019; 29:126716. [DOI: 10.1016/j.bmcl.2019.126716] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 09/18/2019] [Accepted: 09/21/2019] [Indexed: 10/25/2022]
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33
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Evaluation of human primary intestinal monolayers for drug metabolizing capabilities. J Biol Eng 2019; 13:82. [PMID: 31709009 PMCID: PMC6829970 DOI: 10.1186/s13036-019-0212-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 09/30/2019] [Indexed: 12/12/2022] Open
Abstract
Background The intestinal epithelium is a major site of drug metabolism in the human body, possessing enterocytes that house brush border enzymes and phase I and II drug metabolizing enzymes (DMEs). The enterocytes are supported by a porous extracellular matrix (ECM) that enables proper cell adhesion and function of brush border enzymes, such as alkaline phosphatase (ALP) and alanyl aminopeptidase (AAP), phase I DMEs that convert a parent drug to a more polar metabolite by introducing or unmasking a functional group, and phase II DMEs that form a covalent conjugate between a functional group on the parent compound or sequential metabolism of phase I metabolite. In our effort to develop an in vitro intestinal epithelium model, we investigate the impact of two previously described simple and customizable scaffolding systems, a gradient cross-linked scaffold and a conventional scaffold, on the ability of intestinal epithelial cells to produce drug metabolizing proteins as well as to metabolize exogenously added compounds. While the scaffolding systems possess a range of differences, they are most distinguished by their stiffness with the gradient cross-linked scaffold possessing a stiffness similar to that found in the in vivo intestine, while the conventional scaffold possesses a stiffness several orders of magnitude greater than that found in vivo. Results The monolayers on the gradient cross-linked scaffold expressed CYP3A4, UGTs 2B17, 1A1 and 1A10, and CES2 proteins at a level similar to that in fresh crypts/villi. The monolayers on the conventional scaffold expressed similar levels of CYP3A4 and UGTs 1A1 and 1A10 DMEs to that found in fresh crypts/villi but significantly decreased expression of UGT2B17 and CES2 proteins. The activity of CYP3A4 and UGTs 1A1 and 1A10 was inducible in cells on the gradient cross-linked scaffold when the cells were treated with known inducers, whereas the CYP3A4 and UGT activities were not inducible in cells grown on the conventional scaffold. Both monolayers demonstrate esterase activity but the activity measured in cells on the conventional scaffold could not be inhibited with a known CES2 inhibitor. Both monolayer culture systems displayed similar ALP and AAP brush border enzyme activity. When cells on the conventional scaffold were incubated with a yes-associated protein (YAP) inhibitor, CYP3A4 activity was greatly enhanced suggesting that mechano-transduction signaling can modulate drug metabolizing enzymes. Conclusions The use of a cross-linked hydrogel scaffold for expansion and differentiation of primary human intestinal stem cells dramatically impacts the induction of CYP3A4 and maintenance of UGT and CES drug metabolizing enzymes in vitro making this a superior substrate for enterocyte culture in DME studies. This work highlights the influence of mechanical properties of the culture substrate on protein expression and the activity of drug metabolizing enzymes as a critical factor in developing accurate assay protocols for pharmacokinetic studies using primary intestinal cells. Graphical abstract ![]()
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Kato Y, Kawai M, Kawai S, Okano Y, Rokkaku N, Ishisaka A, Murota K, Nakamura T, Nakamura Y, Ikushiro S. Dynamics of the Cellular Metabolism of Leptosperin Found in Manuka Honey. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:10853-10862. [PMID: 31496237 DOI: 10.1021/acs.jafc.9b03894] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Leptosperin (methyl syringate β-d-gentiobioside) is abundantly found in manuka honey, which is widely used because of its antibacterial and possible anti-inflammatory activities. The aim of this study was to examine the molecular mechanism underlying the metabolism of leptosperin. Five phytochemicals (leptosperin, methyl syringate (MSYR), glucuronate conjugate of MSYR (MSYR-GA), sulfonate conjugate of MSYR (MSYR-S), and syringic acid (SYR)) were separately incubated with HepG2 and Caco-2 cells. After incubation, we found that the concentration of MSYR decreased, whereas the concentrations of SYR, MSYR-GA, and MSYR-S increased. By profiling with inhibitors and carboxylesterases (CES1, 2), we found that the conversion from MSYR to SYR was mediated by CES1. Lipopolysaccharide-stimulated RAW264.7 cells restored MSYR-GA to MSYR possibly by the secreted β-glucuronidase. All of the mice administered with leptosperin, MSYR, or manuka honey showed higher MSYR (13.84 ± 11.51, 14.29 ± 9.19, or 6.66 ± 2.30 nM) and SYR (1.85 ± 0.66, 6.01 ± 1.20, or 8.16 ± 3.10 nM) levels in the plasma compared with that of the vehicle controls (3.33 ± 1.45 (MSYR) and 1.85 ± 0.66 (SYR) nM). The findings of our study indicate that the unique metabolic pathways of these compounds may account for possible functionalities of manuka honey.
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Affiliation(s)
| | | | | | | | | | | | - Kaeko Murota
- Faculty of Life and Environmental Science , Shimane University , Matsue , Shimane 690-8504 , Japan
| | - Toshiyuki Nakamura
- Graduate School of Environmental and Life Science , Okayama University , Okayama 700-0082 , Japan
| | - Yoshimasa Nakamura
- Graduate School of Environmental and Life Science , Okayama University , Okayama 700-0082 , Japan
| | - Shinichi Ikushiro
- Department of Biotechnology , Toyama Prefectural University , Imizu , Toyama 939-0398 , Japan
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Makhaeva GF, Elkina NA, Shchegolkov EV, Boltneva NP, Lushchekina SV, Serebryakova OG, Rudakova EV, Kovaleva NV, Radchenko EV, Palyulin VA, Burgart YV, Saloutin VI, Bachurin SO, Richardson RJ. Synthesis, molecular docking, and biological evaluation of 3-oxo-2-tolylhydrazinylidene-4,4,4-trifluorobutanoates bearing higher and natural alcohol moieties as new selective carboxylesterase inhibitors. Bioorg Chem 2019; 91:103097. [DOI: 10.1016/j.bioorg.2019.103097] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/25/2019] [Accepted: 06/28/2019] [Indexed: 12/30/2022]
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Mukherjee S, Choi M, Yun JW. Novel regulatory roles of carboxylesterase 3 in lipid metabolism and browning in 3T3-L1 white adipocytes. Appl Physiol Nutr Metab 2019; 44:1089-1098. [DOI: 10.1139/apnm-2018-0814] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The role of carboxylesterase 3 (Ces3) in the lipolysis of adipocytes has been overlooked, as 2 major lipolytic enzymes, hormone-sensitive lipase and adipose triglyceride lipase, play more powerful roles in lipolysis. In this study, we explored the effects of Ces3 in lipid metabolism by activating and inhibiting, as well as silencing, Ces3-encoding gene in 3T3-L1 cell model. Our results demonstrated that activation of Ces3 increased adipogenesis, and attenuated lipogenesis, whereas it promoted lipolysis and fatty acid oxidation. In addition, activated Ces3 led to enhanced expression of core fat browning marker genes and proteins, suggesting that Ces3 may play a pivotal role in fat browning and thermogenesis. In contrast, deficiency of Ces3 nullified the browning effect in white adipocytes, along with decreased adipogenesis in 3T3-L1 adipocytes. Interestingly, the expression pattern of adipose triglyceride lipase was in line with Ces3, whereas hormone-sensitive lipase was independently regulated irrespective of Ces3 expression levels, suggesting that Ces3 may play an important and compensatory role in the breakdown of triglycerides in white adipocytes. In conclusion, we provide the first evidence that activation of Ces3 contributes in the browning of white adipocytes, and maintains a balance in lipid metabolism, which could be a potential strategy in fighting against obesity.
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Affiliation(s)
- Sulagna Mukherjee
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Minji Choi
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Jong Won Yun
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
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Di L. The Impact of Carboxylesterases in Drug Metabolism and Pharmacokinetics. Curr Drug Metab 2019; 20:91-102. [PMID: 30129408 PMCID: PMC6635651 DOI: 10.2174/1389200219666180821094502] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/03/2018] [Accepted: 08/08/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Carboxylesterases (CES) play a critical role in catalyzing hydrolysis of esters, amides, carbamates and thioesters, as well as bioconverting prodrugs and soft drugs. The unique tissue distribution of CES enzymes provides great opportunities to design prodrugs or soft drugs for tissue targeting. Marked species differences in CES tissue distribution and catalytic activity are particularly challenging in human translation. METHODS Review and summarization of CES fundamentals and applications in drug discovery and development. RESULTS Human CES1 is one of the most highly expressed drug metabolizing enzymes in the liver, while human intestine only expresses CES2. CES enzymes have moderate to high inter-individual variability and exhibit low to no expression in the fetus, but increase substantially during the first few months of life. The CES genes are highly polymorphic and some CES genetic variants show significant influence on metabolism and clinical outcome of certain drugs. Monkeys appear to be more predictive of human pharmacokinetics for CES substrates than other species. Low risk of clinical drug-drug interaction is anticipated for CES, although they should not be overlooked, particularly interaction with alcohols. CES enzymes are moderately inducible through a number of transcription factors and can be repressed by inflammatory cytokines. CONCLUSION Although significant advances have been made in our understanding of CESs, in vitro - in vivo extrapolation of clearance is still in its infancy and further exploration is needed. In vitro and in vivo tools are continuously being developed to characterize CES substrates and inhibitors.
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Affiliation(s)
- Li Di
- Pfizer Inc., Eastern Point Road, Groton, Connecticut, CT 06354, United States
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Espenschied ST, Cronan MR, Matty MA, Mueller O, Redinbo MR, Tobin DM, Rawls JF. Epithelial delamination is protective during pharmaceutical-induced enteropathy. Proc Natl Acad Sci U S A 2019; 116:16961-16970. [PMID: 31391308 PMCID: PMC6708343 DOI: 10.1073/pnas.1902596116] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Intestinal epithelial cell (IEC) shedding is a fundamental response to intestinal damage, yet underlying mechanisms and functions have been difficult to define. Here we model chronic intestinal damage in zebrafish larvae using the nonsteroidal antiinflammatory drug (NSAID) Glafenine. Glafenine induced the unfolded protein response (UPR) and inflammatory pathways in IECs, leading to delamination. Glafenine-induced inflammation was augmented by microbial colonization and associated with changes in intestinal and environmental microbiotas. IEC shedding was a UPR-dependent protective response to Glafenine that restricts inflammation and promotes animal survival. Other NSAIDs did not induce IEC delamination; however, Glafenine also displays off-target inhibition of multidrug resistance (MDR) efflux pumps. We found a subset of MDR inhibitors also induced IEC delamination, implicating MDR efflux pumps as cellular targets underlying Glafenine-induced enteropathy. These results implicate IEC delamination as a protective UPR-mediated response to chemical injury, and uncover an essential role for MDR efflux pumps in intestinal homeostasis.
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Affiliation(s)
- Scott T Espenschied
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710
| | - Mark R Cronan
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710
| | - Molly A Matty
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710
| | - Olaf Mueller
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710
| | - Matthew R Redinbo
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
- Department of Biochemistry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599
| | - David M Tobin
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710
- Department of Immunology, Duke University School of Medicine, Durham, NC 27710
| | - John F Rawls
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710;
- Department of Medicine, Duke University School of Medicine, Durham, NC 27710
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Makhaeva GF, Shevtsova EF, Boltneva NP, Kovaleva NV, Rudakova EV, Dubova LG, Shevtsov PN, Bachurin SO. Anticholinesterase and Antioxidant Activity of New Binary Conjugates of γ-Carbolines. DOKL BIOCHEM BIOPHYS 2019; 484:1-5. [DOI: 10.1134/s1607672919010010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Indexed: 11/23/2022]
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Makhaeva GF, Rudakova EV, Kovaleva NV, Lushchekina SV, Boltneva NP, Proshin AN, Shchegolkov EV, Burgart YV, Saloutin VI. Cholinesterase and carboxylesterase inhibitors as pharmacological agents. Russ Chem Bull 2019. [DOI: 10.1007/s11172-019-2507-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Yang X, Zhang X, Liu Y, Xi T, Xiong J. Insulin transcriptionally down-regulates carboxylesterases through pregnane X receptor in an Akt-dependent manner. Toxicology 2019; 422:60-68. [DOI: 10.1016/j.tox.2019.04.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/21/2019] [Accepted: 04/16/2019] [Indexed: 12/28/2022]
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Conjugates of methylene blue with γ-carboline derivatives as new multifunctional agents for the treatment of neurodegenerative diseases. Sci Rep 2019; 9:4873. [PMID: 30890752 PMCID: PMC6424957 DOI: 10.1038/s41598-019-41272-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 03/05/2019] [Indexed: 02/08/2023] Open
Abstract
We studied the inhibitory activity of methylene blue (MB) γ-carbolines (gC) conjugates (MB-gCs) against human erythrocyte acetylcholinesterase (AChE), equine serum butyrylcholinesterase (BChE), and a structurally related enzyme, porcine liver carboxylesterase (CaE). In addition, we determined the ability of MB-gCs to bind to the peripheral anionic site (PAS) of Electrophorus electricus AChE (EeAChE) and competitively displace propidium iodide from this site. Moreover, we examined the ability of MB-gCs to scavenge free radicals as well as their influence on mitochondrial potential and iron-induced lipid peroxidation. We found that MB-gCs effectively inhibited AChE and BChE with IC50 values in the range 1.73–10.5 μM and exhibited low potencies against CaE (9.8–26% inhibition at 20 μM). Kinetic studies showed that MB-gCs were mixed-type reversible inhibitors of both cholinesterases. Molecular docking results showed that the MB-gCs could bind both to the catalytic active site and to the PAS of human AChE and BChE. Accordingly, MB-gCs effectively displaced propidium from the peripheral anionic site of EeAChE. In addition, MB-gCs were extremely active in both radical scavenging tests. Quantum mechanical DFT calculations suggested that free radical scavenging was likely mediated by the sulfur atom in the MB fragment. Furthermore, the MB-gCs, in like manner to MB, can restore mitochondrial membrane potential after depolarization with rotenone. Moreover, MB-gCs possess strong antioxidant properties, preventing iron-induced lipid peroxidation in mitochondria. Overall, the results indicate that MB-gCs are promising candidates for further optimization as multitarget therapeutic agents for neurodegenerative diseases.
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Robert-Hazotte A, Schoumacker R, Semon E, Briand L, Guichard E, Le Quéré JL, Faure P, Heydel JM. Ex vivo real-time monitoring of volatile metabolites resulting from nasal odorant metabolism. Sci Rep 2019; 9:2492. [PMID: 30792537 PMCID: PMC6385289 DOI: 10.1038/s41598-019-39404-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 01/22/2019] [Indexed: 12/02/2022] Open
Abstract
Odorant-metabolizing enzymes are critically involved in the clearance of odorant molecules from the environment of the nasal neuro-olfactory tissue to maintain the sensitivity of olfactory detection. Odorant metabolism may also generate metabolites in situ, the characterization and function of which in olfaction remain largely unknown. Here, we engineered and validated an ex vivo method to measure odorant metabolism in real-time. Glassware containing an explant of rat olfactory mucosa was continuously flushed with an odorant flow and was coupled to a proton transfer reaction-mass spectrometer for volatile compound analysis. Focusing on carboxylic esters and diketone odorants, we recorded the metabolic uptake of odorants by the mucosa, concomitantly with the release of volatile odorant metabolites in the headspace. These results significantly change the picture of real-time in situ odorant metabolism and represent a new step forward in the investigation of the function of odorant metabolites in the peripheral olfactory process. Our method allows the systematic identification of odorant metabolites using a validated animal model and permits the screening of olfactory endogenously produced chemosensory molecules.
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Affiliation(s)
- Aline Robert-Hazotte
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Rachel Schoumacker
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Etienne Semon
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Loïc Briand
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Elisabeth Guichard
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Jean-Luc Le Quéré
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Philippe Faure
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France
| | - Jean-Marie Heydel
- Centre des Sciences du Goût et de l'Alimentation, UMR 6265 CNRS/1324 INRA/Université de Bourgogne Franche-Comté, 9 boulevard Jeanne d'Arc, F-21000, Dijon, France.
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de Vries R, Jacobs F, Mannens G, Snoeys J, Cuyckens F, Chien C, Ward P. Apalutamide Absorption, Metabolism, and Excretion in Healthy Men, and Enzyme Reaction in Human Hepatocytes. Drug Metab Dispos 2019; 47:453-464. [PMID: 30787101 DOI: 10.1124/dmd.118.084517] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 02/04/2019] [Indexed: 12/18/2022] Open
Abstract
In this phase 1 study, the absolute bioavailability and absorption, metabolism, and excretion (AME) of apalutamide, a competitive inhibitor of the androgen receptor, were evaluated in 12 healthy men. Subjects received 240 mg of apalutamide orally plus a 15-minute intravenous infusion of 100 µg of apalutamide containing 9.25 kBq (250 nCi) of 14C-apalutamide (2 hours postdose) for absolute bioavailability assessment or plus one 400-µg capsule containing 37 kBq (1000 nCi) of 14C-apalutamide for AME assessment. Content of 14C and metabolite profiling for whole blood, plasma, urine, feces, and expired air samples were analyzed using accelerator mass spectrometry. Apalutamide absolute oral bioavailability was ≈100%. After oral administration, apalutamide, its N-desmethyl metabolite (M3), and an inactive carboxylic acid metabolite (M4) accounted for most 14C in plasma (45%, 44%, and 3%, respectively). Apalutamide elimination was slow, with a mean plasma half-life of 151-178 hours. The mean cumulative recovery of total 14C over 70 days postdose was 64.6% in urine and 24.3% in feces. The urinary excretion of apalutamide, M3, and M4 was 1.2%, 2.7%, and 31.1% of dose, respectively. Fecal excretion of apalutamide, M3, and M4 was 1.5%, 2.0%, and 2.4% of dose, respectively. Seventeen apalutamide metabolites and six main metabolic clearance pathways were identified. In vitro studies confirmed CYP2C8 and CYP3A4 roles in apalutamide metabolism.
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Affiliation(s)
- Ronald de Vries
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
| | - Frank Jacobs
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
| | - Geert Mannens
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
| | - Jan Snoeys
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
| | - Filip Cuyckens
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
| | - Caly Chien
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
| | - Peter Ward
- Janssen Research & Development, Beerse, Belgium (R.d.V., F.J., G.M., J.S., F.C.); Janssen Research & Development, Spring House, Pennsylvania (C.C.); and Janssen Research & Development, San Diego, California (P.W.)
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Zhou L, Hu Q, Kang Q, Yu L. Construction of liquid crystal droplet-based sensing platform for sensitive detection of organophosphate pesticide. Talanta 2018; 190:375-381. [DOI: 10.1016/j.talanta.2018.08.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 08/02/2018] [Accepted: 08/03/2018] [Indexed: 01/16/2023]
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Human carboxylesterases: a comprehensive review. Acta Pharm Sin B 2018; 8:699-712. [PMID: 30245959 PMCID: PMC6146386 DOI: 10.1016/j.apsb.2018.05.005] [Citation(s) in RCA: 267] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 05/07/2018] [Accepted: 05/09/2018] [Indexed: 12/12/2022] Open
Abstract
Mammalian carboxylesterases (CEs) are key enzymes from the serine hydrolase superfamily. In the human body, two predominant carboxylesterases (CES1 and CES2) have been identified and extensively studied over the past decade. These two enzymes play crucial roles in the metabolism of a wide variety of endogenous esters, ester-containing drugs and environmental toxicants. The key roles of CES in both human health and xenobiotic metabolism arouse great interest in the discovery of potent CES modulators to regulate endobiotic metabolism or to improve the efficacy of ester drugs. This review covers the structural and catalytic features of CES, tissue distributions, biological functions, genetic polymorphisms, substrate specificities and inhibitor properties of CES1 and CES2, as well as the significance and recent progress on the discovery of CES modulators. The information presented here will help pharmacologists explore the relevance of CES to human diseases or to assign the contribution of certain CES in xenobiotic metabolism. It will also facilitate medicinal chemistry efforts to design prodrugs activated by a given CES isoform, or to develop potent and selective modulators of CES for potential biomedical applications.
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Trychta KA, Heathward EJ, Sulima A, Bäck S, Farokhnia M, Richie CT, Leggio L, Rice KC, Harvey BK. Extracellular esterase activity as an indicator of endoplasmic reticulum calcium depletion. Biomarkers 2018; 23:756-765. [PMID: 30095301 DOI: 10.1080/1354750x.2018.1490968] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
CONTEXT Endoplasmic reticulum (ER) calcium depletion is associated with diverse diseases, including cardiac, hepatic, and neurologic diseases. OBJECTIVE The aim of the present study was to identify and characterize an endogenous protein that could be used to monitor ER calcium depletion comparably to a previously described exogenous reporter protein. MATERIALS AND METHODS The use of a selective esterase-fluorescein diester pair allowed for carboxylesterase activity in extracellular fluid to be measured using a fluorescent readout. Cell culture media from three different cell lines, rat plasma, and human serum all possess quantifiable amounts of esterase activity. RESULTS Fluorescence produced by the interaction of carboxylesterases with a fluorescein diester substrate tracks with pharmacological and physiological inducers of ER calcium depletion. The fluorescence measured for in vitro and in vivo samples were consistent with ER calcium depletion being the trigger for increased esterase activity. DISCUSSION Decreased luminal ER calcium causes ER resident esterases to be released from the cell, and, when assessed concurrently with other disease biomarkers, these esterases may provide insight into the role of ER calcium homeostasis in human diseases. CONCLUSION Our results indicate that carboxylesterases are putative markers of ER calcium dysfunction.
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Affiliation(s)
- Kathleen A Trychta
- a Molecular Mechanisms of Cellular Stress and Inflammation , Intramural Research Program, National Institute on Drug Abuse , Baltimore , MD , USA
| | - Emily J Heathward
- a Molecular Mechanisms of Cellular Stress and Inflammation , Intramural Research Program, National Institute on Drug Abuse , Baltimore , MD , USA
| | - Agnieszka Sulima
- b Section on Drug Design and Synthesis, Molecular Targets and Medications Branch , National Institute on Drug Abuse and National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health , Bethesda , MD , USA
| | - Susanne Bäck
- a Molecular Mechanisms of Cellular Stress and Inflammation , Intramural Research Program, National Institute on Drug Abuse , Baltimore , MD , USA
| | - Mehdi Farokhnia
- c Section on Clinical Psychoneuroendocrinology and Neuropsychopharmacology , National Institute on Alcohol Abuse and Alcoholism and National Institute on Drug Abuse, National Institutes of Health , Bethesda , MD , USA
| | - Christopher T Richie
- a Molecular Mechanisms of Cellular Stress and Inflammation , Intramural Research Program, National Institute on Drug Abuse , Baltimore , MD , USA
| | - Lorenzo Leggio
- c Section on Clinical Psychoneuroendocrinology and Neuropsychopharmacology , National Institute on Alcohol Abuse and Alcoholism and National Institute on Drug Abuse, National Institutes of Health , Bethesda , MD , USA.,d Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences , Brown University , Providence , RI , USA
| | - Kenner C Rice
- b Section on Drug Design and Synthesis, Molecular Targets and Medications Branch , National Institute on Drug Abuse and National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health , Bethesda , MD , USA
| | - Brandon K Harvey
- a Molecular Mechanisms of Cellular Stress and Inflammation , Intramural Research Program, National Institute on Drug Abuse , Baltimore , MD , USA
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Quiroga AD, Lehner R. Pharmacological intervention of liver triacylglycerol lipolysis: The good, the bad and the ugly. Biochem Pharmacol 2018; 155:233-241. [PMID: 30006193 DOI: 10.1016/j.bcp.2018.07.005] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 07/09/2018] [Indexed: 02/07/2023]
Abstract
Excessive triacylglycerol (TG) accumulation is the distinctive feature of obesity. In the liver, sustained TG accretion leads to nonalcoholic fatty liver disease (NAFLD), eventually progressing to non-alcoholic steatohepatitis (NASH) and cirrhosis, which is associated with complications including hepatic failure, hepatocellular carcinoma and death. Pharmacological interventions are actively pursued to prevent lipid accumulation in hepatocytes and, therefore, to ameliorate the associated pathophysiological conditions. Here, we sought to provide an overview of the pharmacological approaches to up- or downregulate the expression and activities of the enzymes involved in hepatic TG hydrolysis. Fatty acids (FA) released by hydrolysis of hepatic TG can be used for β-oxidation, signaling, and for very low-density lipoprotein (VLDL)-TG synthesis. Originally, lipolysis was believed to be centered in the adipose and to be catalyzed by only two lipases, hormone-sensitive lipase (HSL) and monoacylglycerol lipase (MAGL). However, genetic ablation of HSL expression in mice failed to erase TG hydrolysis in adipocytes leading to the identification of a third lipase termed adipose triglyceride lipase (ATGL). Although these three enzymes are considered to be the main players governing lipolysis in the adipocyte, other lipolytic enzymes have been described to contribute to hepatic TG metabolism. These include adiponutrin/patatin-like phospholipase domain containing 3 (PNPLA3), some members of the carboxylesterase family (CES/Ces), arylacetamide deacetylase (AADAC), lysosomal acid lipase (LAL) and hepatic lipase (HL). This review highlights the consequences of pharmacological interventions of liver lipases that degrade TG in cytosolic lipid droplets, in the endoplasmic reticulum, in the late endosomes/lysosomes and along the secretory route.
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Affiliation(s)
- Ariel D Quiroga
- Instituto de Fisiología Experimental (IFISE), Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, CONICET, UNR, Rosario, Argentina.
| | - Richard Lehner
- Group on Molecular and Cell Biology of Lipids, Department of Pediatrics, Department of Cell Biology, University of Alberta, Edmonton, Alberta, Canada.
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Yu Y, Kong R, Cao H, Yin Z, Liu J, Nan X, Phan AT, Ding T, Zhao H, Wong ST. Two birds, one stone: hesperetin alleviates chemotherapy-induced diarrhea and potentiates tumor inhibition. Oncotarget 2018; 9:27958-27973. [PMID: 29963254 PMCID: PMC6021345 DOI: 10.18632/oncotarget.24563] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 10/30/2017] [Indexed: 12/14/2022] Open
Abstract
Chemotherapy-induced diarrhea (CID), with clinical high incidence, adversely affects the efficacy of cancer treatment and patients' quality of life. Our study demonstrates that the citrus flavonoid hesperetin (Hst) has a superior potential as a new agent to prevent and alleviate CID. In the animal model for irinotecan (CPT-11) induced CID, Hst could selectively inhibit intestinal carboxylesterase (CES2) and thus reduce the local conversion of CPT-11 to cytotoxic SN-38 which causes intestinal toxicity. Oral administration of Hst manifested an excellent anti-diarrhea efficacy, prohibiting 80% of severe and 100% of mild diarrhea in the CPT-11 administered tumor-bearing mice. In addition, a significant attenuation of intestinal inflammation contributed to the anti-diarrhea effect of Hst. Moreover, Hst was found to work synergistically with CPT-11 in tumor inhibition by suppressing the tumor's STAT3 activity and recruiting tumoricidal macrophages into the tumor microenvironment. The anti-intestinal inflammation and anti-STAT3 properties of Hst would contribute its broad benefits to the management of diarrhea caused by other chemo or targeted agents, and more importantly, enhance and reinforce the anti-tumor effects of these agents, to improve patient outcomes.
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Affiliation(s)
- Yaping Yu
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
- Department of Gynecology and Obstetrics, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Ren Kong
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
- Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou, Jiangsu, 213001, P.R. China
| | - Huojun Cao
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
- Iowa Institute for Oral Health Research, College of Dentistry, The University of Iowa, Iowa City, IA, 52246, USA
| | - Zheng Yin
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
| | - Jiyong Liu
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
- Department of Pharmacy, Changhai Hospital, Shanghai, 200433, P.R. China
| | - Xiang Nan
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
- Center for Biomedical Engineering, Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, Anhui, 230026, P.R. China
| | - Alexandria T. Phan
- Cancer Treatment Centers of America at South Eastern Regional Center, Atlanta, GA, 30265, USA
| | - Tian Ding
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
| | - Hong Zhao
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
| | - Stephen T.C. Wong
- Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Weill Cornell Medicine, Houston, TX, 77030, USA
- Houston Methodist Cancer Center, Houston Methodist Hospital, Houston, TX, 77030, USA
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50
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A rapid solution-based method for determining the affinity of heroin hapten-induced antibodies to heroin, its metabolites, and other opioids. Anal Bioanal Chem 2018; 410:3885-3903. [PMID: 29675707 PMCID: PMC5956019 DOI: 10.1007/s00216-018-1060-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 03/27/2018] [Accepted: 04/03/2018] [Indexed: 11/15/2022]
Abstract
We describe for the first time a method that utilizes microscale thermophoresis (MST) technology to determine polyclonal antibody affinities to small molecules. Using a novel type of heterologous MST, we have accurately measured a solution-based binding affinity of serum antibodies to heroin which was previously impossible with other currently available methods. Moreover, this mismatch approach (i.e., using a cross-reactive hapten tracer) has never been reported in the literature. When compared with equilibrium dialysis combined with ultra-performance liquid chromatography/tandem mass spectrometry (ED-UPLC/MS/MS), this novel MST method yields similar binding affinity values for polyclonal antibodies to the major heroin metabolites 6-AM and morphine. Additionally, we herein report the method of synthesis of this novel cross-reactive hapten, MorHap-acetamide—a useful analog for the study of heroin hapten–antibody interactions. Using heterologous MST, we were able to determine the affinities, down to nanomolar accuracies, of polyclonal antibodies to various abused opioids. While optimizing this method, we further discovered that heroin is protected from serum esterase degradation by the presence of these antibodies in a concentration-dependent manner. Lastly, using affinity data for a number of structurally different opioids, we were able to dissect the moieties that are crucial to antibody binding. The novel MST method that is presented herein can be extended to the analysis of any ligand that is prone to degradation and can be applied not only to the development of vaccines to substances of abuse but also to the analysis of small molecule/protein interactions in the presence of serum. Strategy for the determination of hapten-induced antibody affinities using Microscale thermophoresis ![]()
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