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Woźniczka K, Trojan V, Urbanowicz K, Schreiber P, Zadrożna J, Bączek T, Smoleński RT, Roszkowska A. In vivo profiling of phytocannabinoids in Cannabis spp. varieties via SPME-LC-MS analysis. Anal Chim Acta 2024; 1306:342621. [PMID: 38692790 DOI: 10.1016/j.aca.2024.342621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/19/2024] [Accepted: 04/17/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND In vivo solid-phase microextraction (SPME) is a minimally invasive, non-exhaustive sample-preparation technique that facilitates the direct isolation of low molecular weight compounds from biological matrices in living systems. This technique is especially useful for the analysis of phytocannabinoids (PCs) in plant material, both for forensic purposes and for monitoring the PC content in growing Cannabis spp. plants. In contrast to traditional extraction techniques, in vivo SPME enables continuous tracking of the changes in the level of PCs during plant growth without the need for plant material collection. In this study, in vivo SPME utilizing biocompatible C18 probes and liquid-chromatography coupled to quadrupole time-of flight mass spectrometry (LC-Q-TOF-MS) is proposed as a novel strategy for the extraction and analysis of the acidic forms of five PCs in growing medicinal cannabis plants. RESULTS The SPME method was optimized by testing various parameters, including the extraction phase (coating), extraction and desorption times, and the extraction temperature. The proposed method was validated with satisfactory analytical performance regarding linearity (10-3000 ng/mL), limits of quantification, and precision (relative standard deviations below 5.5 %). The proposed method was then successfully applied for the isolation of five acidic forms of PCs, which are main components of growing medicinal cannabis plants. As a proof-of-concept, SPME probes were statically inserted into the inflorescences of two varieties of Cannabis spp. plants (i.e., CBD-dominant and Δ9-THC-dominant) cultivated under controlled conditions for 30 min extraction of tetrahydrocannabinolic acid (Δ9-THCA), cannabidiolic acid (CBDA), cannabigerolic acid (CBGA), cannabiviarinic acid (CBVA), and tetrahydrocannabivarinic acid (THCVA). SIGNIFICANCE AND NOVELTY The results confirmed that the developed SPME-LC-Q-TOF-MS method is a precise and efficient tool that enables direct and rapid isolation and analysis of PCs under in vivo conditions. The proposed methodology is highly appealing option for monitoring the metabolic pathways and compositions of multiple PCs in medicinal cannabis at different stages of plant growth.
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Affiliation(s)
- Katarzyna Woźniczka
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Hallera 107, 80-416, Gdańsk, Poland
| | - Václav Trojan
- Cannabis Facility, International Clinical Research Centre, St. Anne's University Hospital, Pekarská 53, 60200, Brno, Czech Republic; Department of Natural Drugs, Faculty of Pharmacy, Masaryk University, Palackého 1946/1, 61200, Brno, Czech Republic
| | - Krzysztof Urbanowicz
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdańsk, Dębinki 1, 80-211, Gdańsk, Poland
| | - Patrik Schreiber
- Cannabis Facility, International Clinical Research Centre, St. Anne's University Hospital, Pekarská 53, 60200, Brno, Czech Republic
| | - Julia Zadrożna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Hallera 107, 80-416, Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Hallera 107, 80-416, Gdańsk, Poland
| | - Ryszard Tomasz Smoleński
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdańsk, Dębinki 1, 80-211, Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, Hallera 107, 80-416, Gdańsk, Poland.
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Szydłowska M, Roszkowska A. Retraction Note to: Expression patterns of AMP-deaminase isozymes in human hepatocellular carcinoma (HCC). Mol Cell Biochem 2024:10.1007/s11010-024-05011-2. [PMID: 38625516 DOI: 10.1007/s11010-024-05011-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Affiliation(s)
- Magdalena Szydłowska
- Department of Biochemistry and Clinical Physiology, Medical University of Gdansk, Debinki 1, 80-211, Gdansk, Poland.
| | - Anna Roszkowska
- Department of Biochemistry and Clinical Physiology, Medical University of Gdansk, Debinki 1, 80-211, Gdansk, Poland
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Leszczyńska D, Hallmann A, Treder N, Bączek T, Roszkowska A. Recent advances in the use of SPME for drug analysis in clinical, toxicological, and forensic medicine studies. Talanta 2024; 270:125613. [PMID: 38159351 DOI: 10.1016/j.talanta.2023.125613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Solid-phase microextraction (SPME) has gained attention as a simple, fast, and non-exhaustive extraction technique, as its unique features enable its use for the extraction of many classes of drugs from biological matrices. This sample-preparation approach consolidates sampling and sample preparation into a single step, in addition to providing analyte preconcentration and sample clean-up. These features have helped SPME become an integral part of several analytical protocols for monitoring drug concentrations in human matrices in clinical, toxicological, and forensic medicine studies. Over the years, researchers have continued to develop the SPME technique, resulting in the introduction of novel sorbents and geometries, which have resulted in improved extraction efficiencies. This review summarizes developments and applications of SPME published between 2016 and 2022, specifically in relation to the analysis of central nervous system drugs, drugs used to treat cardiovascular disorders and bacterial infections, and drugs used in immunosuppressive and anticancer therapies.
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Affiliation(s)
- Dagmara Leszczyńska
- Department of Pharmaceutical Biochemistry, Medical University of Gdańsk, Gdańsk, 80-211, Poland
| | - Anna Hallmann
- Department of Pharmaceutical Biochemistry, Medical University of Gdańsk, Gdańsk, 80-211, Poland
| | - Natalia Treder
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, 80-416, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, 80-416, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, 80-416, Poland.
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Hallmann A, Roszkowska A, Smolarz K, Sokołowski A, Świeżak J, Dube N, Caban M. Persistence of norfluoxetine in marine mussels. Mar Pollut Bull 2023; 197:115763. [PMID: 37956494 DOI: 10.1016/j.marpolbul.2023.115763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/27/2023] [Accepted: 11/06/2023] [Indexed: 11/15/2023]
Abstract
The concentration of pharmaceuticals in coastal waters is tending towards increasing due to a shift of the human population into coastal zones. In parallel, the number of prescriptions of antidepressants, mainly selective serotonin reuptake inhibitors (SSRI), is constantly growing. Most of the SSRI is metabolised into active compounds; for instance, norfluoxetine (NFLU) is the main active metabolite of fluoxetine. In this study, we tested the bioaccumulation and depuration of NFLU in Mytilus trossulus at two environmentally relevant concentrations (100 and 500 ng/L, after six days of exposure and five days of depuration at 10 °C). The concentration of NFLU in the mussels' tissue seems not to be directly proportional to the exposure concentration. The levels of NFLU in the mussels' tissues after the depuration period were comparable to the levels detected at the end of exposure. This indicates that NFLU is not efficiently removed by the mussels and points to a potential risk for consumers of such marine organisms.
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Affiliation(s)
- Anna Hallmann
- Department of Pharmaceutical Biochemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Hallera 107, 80-416 Gdansk, Poland
| | - Katarzyna Smolarz
- Faculty of Oceanography and Geography, University of Gdansk, Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Adam Sokołowski
- Faculty of Oceanography and Geography, University of Gdansk, Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Justyna Świeżak
- Faculty of Oceanography and Geography, University of Gdansk, Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Neil Dube
- Faculty of Oceanography and Geography, University of Gdansk, Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Magda Caban
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdańsk, Poland.
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Looby N, Roszkowska A, Yu M, Rios-Gomez G, Pipkin M, Bojko B, Cypel M, Pawliszyn J. In vivo solid phase microextraction for therapeutic monitoring and pharmacometabolomic fingerprinting of lung during in vivo lung perfusion of FOLFOX. J Pharm Anal 2023; 13:1195-1204. [PMID: 38024854 PMCID: PMC10657970 DOI: 10.1016/j.jpha.2023.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 04/04/2023] [Accepted: 04/08/2023] [Indexed: 12/01/2023] Open
Abstract
In vivo lung perfusion (IVLP) is a novel isolated lung technique developed to enable the local, in situ administration of high-dose chemotherapy to treat metastatic lung cancer. Combination therapy using folinic acid (FOL), 5-fluorouracil (F), and oxaliplatin (OX) (FOLFOX) is routinely employed to treat several types of solid tumours in various tissues. However, F is characterized by large interpatient variability with respect to plasma concentration, which necessitates close monitoring during treatments using of this compound. Since plasma drug concentrations often do not reflect tissue drug concentrations, it is essential to utilize sample-preparation methods specifically suited to monitoring drug levels in target organs. In this work, in vivo solid-phase microextraction (in vivo SPME) is proposed as an effective tool for quantitative therapeutic drug monitoring of FOLFOX in porcine lungs during pre-clinical IVLP and intravenous (IV) trials. The concomitant extraction of other endogenous and exogenous small molecules from the lung and their detection via liquid chromatography coupled to high resolution mass spectrometry (LC-HRMS) enabled an assessment of FOLFOX's impact on the metabolomic profile of the lung and revealed the metabolic pathways associated with the route of administration (IVLP vs. IV) and the therapy itself. This study also shows that the immediate instrumental analysis of metabolomic samples is ideal, as long-term storage at -80 °C results in changes in the metabolite content in the sample extracts.
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Affiliation(s)
- Nikita Looby
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - Anna Roszkowska
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416, Gdansk, Poland
| | - Miao Yu
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - German Rios-Gomez
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - Mauricio Pipkin
- Division of Thoracic Surgery, University Health Network, TGH, 200 Elizabeth St, Toronto, ON, M5G 2C4, Canada
| | - Barbara Bojko
- Department of Pharmacodynamics and Molecular Pharmacology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-089, Bydgoszcz, Poland
| | - Marcelo Cypel
- Division of Thoracic Surgery, University Health Network, TGH, 200 Elizabeth St, Toronto, ON, M5G 2C4, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
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Woźniczka K, Konieczyński P, Plenis A, Bączek T, Roszkowska A. SPME as a green sample-preparation technique for the monitoring of phytocannabinoids and endocannabinoids in complex matrices. J Pharm Anal 2023; 13:1117-1134. [PMID: 38024858 PMCID: PMC10657972 DOI: 10.1016/j.jpha.2023.06.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/10/2023] [Accepted: 06/27/2023] [Indexed: 12/01/2023] Open
Abstract
The endocannabinoid system (ECS), particularly its signaling pathways and ligands, has garnered considerable interest in recent years. Along with clinical work investigating the ECS' functions, including its role in the development of neurological and inflammatory conditions, much research has focused on developing analytical protocols enabling the precise monitoring of the levels and metabolism of the most potent ECS ligands: exogenous phytocannabinoids (PCs) and endogenous cannabinoids (endocannabinoids, ECs). Solid-phase microextraction (SPME) is an advanced, non-exhaustive sample-preparation technique that facilitates the precise and efficient isolation of trace amounts of analytes, thus making it appealing for the analysis of PCs and ECs in complex matrices of plant and animal/human origin. In this paper, we review recent forensic medicine and toxicological studies wherein SPME has been applied to monitor levels of PCs and ECs in complex matrices, determine their effects on organism physiology, and assess their role in the development of several diseases.
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Affiliation(s)
- Katarzyna Woźniczka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Paweł Konieczyński
- Department of Analytical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
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Maliszewska O, Roszkowska A, Lipiński M, Treder N, Olędzka I, Kowalski P, Bączek T, Bień E, Krawczyk MA, Plenis A. Profiling Docetaxel in Plasma and Urine Samples from a Pediatric Cancer Patient Using Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction Combined with LC-MS/MS. Pharmaceutics 2023; 15:pharmaceutics15041255. [PMID: 37111740 PMCID: PMC10143245 DOI: 10.3390/pharmaceutics15041255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
In recent years, therapeutic drug monitoring (TDM) has been applied in docetaxel (DOC)-based anticancer therapy to precisely control various pharmacokinetic parameters, including the concentration of DOC in biofluids (e.g., plasma or urine), its clearance, and its area under the curve (AUC). The ability to determine these values and to monitor DOC levels in biological samples depends on the availability of precise and accurate analytical methods that both enable fast and sensitive analysis and can be implemented in routine clinical practice. This paper presents a new method for isolating DOC from plasma and urine samples based on the coupling of microextraction and advanced liquid chromatography with tandem mass spectrometry (LC-MS/MS). In the proposed method, biological samples are prepared via ultrasound-assisted dispersive liquid-liquid microextraction (UA-DLLME) using ethanol (EtOH) and chloroform (Chl) as the desorption and extraction solvents, respectively. The proposed protocol was fully validated according to the Food and Drug Administration (FDA) and the International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use (ICH) requirements. The developed method was then applied to monitor the DOC profile in plasma and urine samples collected from a pediatric patient suffering from cardiac angiosarcoma (AS) with metastasis to lungs and mediastinal lymph nodes, who was receiving treatment with DOC at a dose of 30 mg/m2 body surface area. Due to the rarity of this disease, TDM was carried out to determine the exact levels of DOC at particular time points to ascertain which levels were conducive to maximizing the treatment's effectiveness while minimizing the drug's toxicity. To this end, the concentration-time profiles of DOC in the plasma and urine samples were determined, and the levels of DOC at specific time intervals up to 3 days after administration were measured. The results showed that DOC was present at higher concentrations in the plasma than in the urine samples, which is due to the fact that this drug is primarily metabolized in the liver and then eliminated with the bile. The obtained data provided information about the pharmacokinetic profile of DOC in pediatric patients with cardiac AS, which enabled the dose to be adjusted to achieve the optimal therapeutic regimen. The findings of this work demonstrate that the optimized method can be applied for the routine monitoring of DOC levels in plasma and urine samples as a part of pharmacotherapy in oncological patients.
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Affiliation(s)
- Olga Maliszewska
- Department of Analytical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
| | - Marcin Lipiński
- Department of Pharmaceutical Biochemistry, Medical University of Gdansk, 80-211 Gdańsk, Poland
| | - Natalia Treder
- Department of Analytical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
| | - Piotr Kowalski
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology and Oncology, Medical University of Gdansk, 80-211 Gdańsk, Poland
| | - Małgorzata Anna Krawczyk
- Department of Pediatrics, Hematology and Oncology, Medical University of Gdansk, 80-211 Gdańsk, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdansk, 80-416 Gdańsk, Poland
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Roszkowska A, Klejbor I, Bogusiewicz J, Plenis A, Bojko B, Kowalik K, Moryś J, Bączek T. Monitoring of age- and gender-related alterations of endocannabinoid levels in selected brain regions with the use of SPME probes. Metabolomics 2023; 19:40. [PMID: 37043024 PMCID: PMC10097736 DOI: 10.1007/s11306-023-02007-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 04/05/2023] [Indexed: 04/13/2023]
Abstract
INTRODUCTION The endocannabinoid system consists of different types of receptors, enzymes and endocannabinoids (ECs), which are involved in several physiological processes, but also play important role in the development and progression of central nervous system disorders. OBJECTIVES The purpose of this study was to apply precise and sensitive methodology for monitoring of four ECs, namely anandamide (AEA), 2-arachidonoyl glycerol (2-AG), N-arachidonoyl dopamine (NADA), 2-arachidonyl glyceryl ether (2-AGe) in selected brain regions of female and male rats at different stages of development (young, adult and old). METHODS Biocompatible solid-phase microextraction (SPME) probes were introduced into the intact (non-homogenized) brain structures for isolation of four ECs, and the extracts were subjected to LC-MS/MS analysis. Two chemometric approaches, namely hierarchical cluster analysis (HCA) and Principal Component Analysis (PCA) were applied to provide more information about the levels of 2-AG and AEA in different brain structures. RESULTS 2-AG and AEA were extracted and could be quantified in each brain region; the level of 2-AG was significantly higher in comparison to the level of AEA. Two highly unstable ECs, NADA and 2-AGe, were captured by SPME probes from intact brain samples for the first time. CONCLUSION SPME probes were able to isolate highly unstable endogenous compounds from intact tissue, and provided new tools for precise analysis of the level and distribution of ECs in different brain regions. Monitoring of ECs in brain samples is important not only in physiological conditions, but also may contribute to better understanding of the functioning of the endocannabinoid system in various disorders.
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Affiliation(s)
- Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland.
| | - Ilona Klejbor
- Department of Anatomy, Institute of Medical Sciences, Jan Kochanowski University, Kielce, Poland
| | - Joanna Bogusiewicz
- Department of Pharmacodynamics and Molecular Pharmacology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Barbara Bojko
- Department of Pharmacodynamics and Molecular Pharmacology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Katarzyna Kowalik
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Janusz Moryś
- Department of Normal Anatomy, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
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Treder N, Szuszczewicz N, Roszkowska A, Olędzka I, Bączek T, Bień E, Krawczyk MA, Plenis A. Magnetic Solid-Phase Microextraction Protocol Based on Didodecyldimethylammonium Bromide-Functionalized Nanoparticles for the Quantification of Epirubicin in Biological Matrices. Pharmaceutics 2023; 15:pharmaceutics15041227. [PMID: 37111712 PMCID: PMC10145736 DOI: 10.3390/pharmaceutics15041227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 03/30/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Due to epirubicin's (EPI) narrow therapeutic index and risk of cardiotoxicity, it is critical to monitor concentrations of this drug when being used to treat cancer patients. In this study, a simple and fast magnetic solid-phase microextraction (MSPME) protocol for the determination of EPI in plasma and urine samples is developed and tested. Experiments were performed using prepared Fe3O4-based nanoparticles coated with silica and a double-chain surfactant-namely, didodecyldimethylammonium bromide (DDAB)-as a magnetic sorbent. All the prepared samples were analyzed via liquid chromatography coupled with fluorescence detection (LC-FL). The validation parameters indicated good linearity in the range of 0.001-1 µg/mL with a correlation coefficient > 0.9996 for plasma samples, and in the range of 0.001-10 µg/mL with a correlation coefficient > 0.9997 for urine samples. The limit of detection (LOD) and limit of quantification (LOQ) for both matrices were estimated at 0.0005 µg/mL and 0.001 µg/mL, respectively. The analyte recovery after sample pretreatment was 80 ± 5% for the plasma samples and 90 ± 3% for the urine samples. The developed method's applicability for monitoring EPI concentrations was evaluated by employing it to analyze real plasma and urine samples collected from a pediatric cancer patient. The obtained results confirmed the proposed MSPME-based method's usefulness, and enabled the determination of the EPI concentration-time profile in the studied patient. The miniaturization of the sampling procedure, along with the significant reduction in pre-treatment steps, make the proposed protocol a promising alternative to routine approaches to monitoring EPI levels in clinical laboratories.
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Affiliation(s)
- Natalia Treder
- Department of Analytical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Natalia Szuszczewicz
- Department of Analytical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology and Oncology, Medical University Gdansk, 80-211 Gdansk, Poland
| | - Małgorzata Anna Krawczyk
- Department of Pediatrics, Hematology and Oncology, Medical University Gdansk, 80-211 Gdansk, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdansk, 80-416 Gdansk, Poland
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Olędzka I, Plenis A, Kowalski P, Bączek T, Roszkowska A. Analytical aspects of sample handling during the quantification of selective serotonin reuptake inhibitors in clinical applications. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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Treder N, Plenis A, Maliszewska O, Kaczmarczyk N, Olędzka I, Kowalski P, Bączek T, Bień E, Krawczyk MA, Roszkowska A. Monitoring of sirolimus in the whole blood samples from pediatric patients with lymphatic anomalies. Open Med (Wars) 2023; 18:20230652. [PMID: 36874365 PMCID: PMC9982740 DOI: 10.1515/med-2023-0652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 12/30/2022] [Accepted: 01/05/2023] [Indexed: 03/06/2023] Open
Abstract
In recent years, off-label use of sirolimus (SIR) has been gaining attention in the clinical practice. However, since it is critical to achieve and maintain therapeutic blood levels of SIR during treatment, the regular monitoring of this drug in individual patients must be implemented, especially in off-label indications of this drug. In this article, a fast, simple, and reliable analytical method for determining SIR levels in whole blood samples is proposed. Sample preparation based on dispersive liquid-liquid microextraction (DLLME) followed by liquid chromatography-mass spectrometry (LC-MS/MS) was fully optimized toward the analysis of SIR and proposed as a fast, simple, and reliable analytical method for determining the pharmacokinetic profile of SIR in whole-blood samples. In addition, the practical applicability of the proposed DLLME-LC-MS/MS method was evaluated by analyzing the pharmacokinetic profile of SIR in whole blood samples obtained from two pediatric patients suffering from lymphatic anomalies, receiving this drug as off-label clinical indication. The proposed methodology can be successfully applied in routine clinical practice for the fast and precise assessment of SIR levels in biological samples, thus allowing SIR dosages to be adjusted in real time during pharmacotherapy. Moreover, the measured SIR levels in the patients indicate the need for monitoring between doses to ensure the optimal pharmacotherapy of patients.
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Affiliation(s)
- Natalia Treder
- Department of Analytical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Olga Maliszewska
- Department of Analytical Chemistry, Medical University of Gdansk, Gdansk, Poland.,Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Natalia Kaczmarczyk
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Piotr Kowalski
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology and Oncology, Medical University Gdansk, Gdansk, Poland
| | | | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
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Treder N, Roszkowska A, Olędzka I, Bączek T, Plenis A. Effects of Fe 3O 4 Magnetic Nanoparticle Functionalization with Ionic Liquids and a Double-Chained Surfactant on the Pretreatment of Plasma Samples during Drug Extraction. Anal Chem 2022; 94:16587-16595. [DOI: 10.1021/acs.analchem.2c01985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Natalia Treder
- Department of Analytical Chemistry, Medical University of Gdańsk, Hallera 107 Street, 80-416 Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107 Street, 80-416 Gdańsk, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107 Street, 80-416 Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107 Street, 80-416 Gdańsk, Poland
| | - Alina Plenis
- Department of Analytical Chemistry, Medical University of Gdańsk, Hallera 107 Street, 80-416 Gdańsk, Poland
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13
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Looby N, Roszkowska A, Ali A, Bojko B, Cypel M, Pawliszyn J. Metabolomic fingerprinting of porcine lung tissue during pre-clinical prolonged ex vivo lung perfusion using in vivo SPME coupled with LC-HRMS. J Pharm Anal 2022; 12:590-600. [PMID: 36105172 PMCID: PMC9463496 DOI: 10.1016/j.jpha.2022.06.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/28/2022] [Accepted: 06/02/2022] [Indexed: 11/09/2022] Open
Abstract
Normothermic ex vivo lung perfusion (NEVLP) has emerged as a modernized organ preservation technique that allows for detailed assessment of donor lung function prior to transplantation. The main goal of this study was to identify potential biomarkers of lung function and/or injury during a prolonged (19 h) NEVLP procedure using in vivo solid-phase microextraction (SPME) technology followed by liquid chromatography-high resolution mass spectrometry (LC-HRMS). The use of minimally invasive in vivo SPME fibers for repeated sampling of biological tissue permits the monitoring and evaluation of biochemical changes and alterations in the metabolomic profile of the lung. These in vivo SPME fibers were directly introduced into the lung and were also used to extract metabolites (on-site SPME) from fresh perfusate samples collected alongside lung samplings. A subsequent goal of the study was to assess the feasibility of SPME as an in vivo method in metabolomics studies, in comparison to the traditional in-lab metabolomics workflow. Several upregulated biochemical pathways involved in pro- and anti-inflammatory responses, as well as lipid metabolism, were observed during extended lung perfusion, especially between the 11th and 12th hours of the procedure, in both lung and perfusate samples. However, several unstable and/or short-lived metabolites, such as neuroprostanes, have been extracted from lung tissue in vivo using SPME fibers. On-site monitoring of the metabolomic profiles of both lung tissues through in vivo SPME and perfusate samples on site throughout the prolonged NEVLP procedure can be effectively performed using in vivo SPME technology. In vivo SPME monitors metabolic changes in porcine lung during 19-h NEVLP. On-site SPME for perfusate sampling monitors metabolite composition during NEVLP. SPME-LC-HRMS permits identification of potential metabolic markers of lung function. Stored perfusate provides less relevant metabolome information compared to on-site perfusate samples. In vivo SPME of the lung provides more metabolomic information than perfusate sampling.
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14
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Meduri A, Oliverio GW, Valastro A, Azzaro C, Camellin U, Franchina F, Inferrera L, Roszkowska A, Aragona P. Neurotrophic Keratopathy in Systemic Diseases: A Case Series on Patients Treated With rh-NGF. Front Med (Lausanne) 2022; 9:920688. [PMID: 35707524 PMCID: PMC9189296 DOI: 10.3389/fmed.2022.920688] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose To evaluate the prevalence, clinical ocular presentation and corneal healing in moderate and severe neurotrophic keratopathy (NK) caused by systemic diseases and treated with rh-NGF. Setting Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Ophthalmology Clinic, University of Messina, Italy. Design Retrospective observational study of case series. Materials and Methods In this retrospective observational study 11 patients (five female and six males) aged from 24 to 88 years (55.4 ± 21.3 years) with moderate and severe NK caused by systemic diseases were enrolled. The VAS questionnaire was dispensed. The ocular examination comprised slit lamp evaluation, ocular surface assessment with Keratograph 5M (Oculus, Germany), corneal sensitivity with Cochet-Bonnet esthesiometer (Lunneaux, France) and corneal thickness measurement with AC-OCT (DRI, Triton, Topcon, Japan). The underlying systemic causes of NK were determined. Results The main cause of NK was post-neuroma surgery (36%), followed by diabetes (18%). The remaining causes were rheumatoid arthritis (9%), post-traumatic (9%), post-surgery (9%), atopia (9%), Graves' disease (9%). Seven eyes presented severe grade of NK with corneal ulcer and in four a moderate grade was registered. The rh-NGF (Cenegermin) was administered with a standard protocol one drop six times daily for 8 weeks. The complete healing of all corneal defects was registered at the end of the treatment. Conclusions The post-neuroma surgery was the most common cause of NK and severe grade was clinically more represented. The rh-NGF proved effective to promote corneal recovery with all defects healed after the treatment.
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Affiliation(s)
- Alessandro Meduri
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
| | - Giovanni William Oliverio
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
- *Correspondence: Giovanni William Oliverio
| | - Antonio Valastro
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
| | - Claudia Azzaro
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
| | - Umberto Camellin
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
| | - Francesco Franchina
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
| | - Leandro Inferrera
- Department of Medical, Surgical Sciences and Health, Eye Clinic, University of Trieste, Trieste, Italy
| | - Anna Roszkowska
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
- Department of Ophthalmology, Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Krakow University, Kraków, Poland
| | - Pasquale Aragona
- Department of Biomedical Sciences, Ophthalmology Clinic, University of Messina, Messina, Italy
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Roszkowska A, Plenis A, Kowalski P, Bączek T, Olędzka I. Recent advancements in techniques for analyzing modern, atypical antidepressants in complex biological matrices and their application in biomedical studies. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Treder N, Olędzka I, Roszkowska A, Kowalski P, Bączek T, Plenis A. Practical and theoretical considerations of the effects of ionic liquids on the separation properties of phenyl-based stationary phases in reversed-phase liquid chromatography. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107396] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Kaczmarczyk N, Ciżewska J, Treder N, Miękus N, Plenis A, Kowalski P, Roszkowska A, Bączek T, Olędzka I. The critical evaluation of the effects of imidazolium-based ionic liquids on the separation efficiency of selected biogenic amines and their metabolites during MEKC analysis. Talanta 2022; 238:122997. [PMID: 34857330 DOI: 10.1016/j.talanta.2021.122997] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/14/2021] [Accepted: 10/23/2021] [Indexed: 11/15/2022]
Abstract
Ionic liquids (ILs) such as imidazole can be used to prevent the sorption of analytes onto the quartz walls of the capillary. Coating the capillary wall with a cation layer increases its surface stability, consequently improving the repeatability of separation process. Currently, examining the effects of dynamic coatings on the capillary wall is an emerging trend in capillary electrophoresis (CE) research. This study uses micellar electrokinetic chromatography (MEKC) to evaluate how ILs in the background electrolyte (BGE) affect the separation efficiency of biogenic amines (BAs). Specifically, this research focuses on 12 ILs built from cations containing an imidazole ring with different alkyl substituents and anions, as well as one IL containing a pyridinium cation with tetrafluoroborate anion. All analyzed ILs, which were added to the BGE in concentrations ranging from 1 to 20 mM, were tested for their ability to improve the electrophoretic separation of selected BAs, namely: homovanillic acid (HVA), vanililmandelic acid (VMA), dihydroxyphenylglicol (DHPG), 3-metoxy-4-hydroxyphenyl glicol (MHPG), normetanephrine (NM), metanephrine (M), and dihydroxyphenylacetic acid (DOPAC). The results showed that the most effective ILs added to the BGE were those with a chloride anion (1-hexyl-3-methylimidazolium chloride [HMIM+Cl-] and 1-ethyl-3-methylimidazolium chloride [EMIM+Cl-]) and those with a tetrafluoroborate anion (1-hexyl-3-methylimidazolium tetrafluoroborate [HMIM + BF4-]). Improved separation efficiency was also obtained for the BGE containing 1-hexyl-3-methylimidazolium hexafluorophosphate [HMIM + PF6-]. On the other hand, ILs with trifluoromethanesulfonate [OTf-] or bis(trifluoromethylsulfonyl)imide [NTf2-] anions, even at low concentrations in the BGE, disturbed the flow of current through the capillary and worsened the separation process. Overall, this study provides a critical evaluation of the impact of different types and concentrations of ILs on the performance of the MEKC method during the analysis of selected BAs.
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Affiliation(s)
- Natalia Kaczmarczyk
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Julita Ciżewska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Natalia Treder
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Natalia Miękus
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Alina Plenis
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Piotr Kowalski
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, al. Gen. J. Hallera 107, 80-416, Gdańsk, Poland.
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18
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Abstract
Solid-phase microextraction (SPME) is a well-established sample-preparation technique for environmental studies. The application of SPME has extended from the headspace extraction of volatile compounds to the capture of active components in living organisms via the direct immersion of SPME probes into the tissue (in vivo SPME). The development of biocompatible coatings and the availability of different calibration approaches enable the in vivo sampling of exogenous and endogenous compounds from the living plants and animals without the need for tissue collection. In addition, new geometries such as thin-film coatings, needle-trap devices, recession needles, coated tips, and blades have increased the sensitivity and robustness of in vivo sampling. In this paper, we detail the fundamentals of in vivo SPME, including the various extraction modes, coating geometries, calibration methods, and data analysis methods that are commonly employed. We also discuss recent applications of in vivo SPME in environmental studies and in the analysis of pollutants in plant and animal tissues, as well as in human saliva, breath, and skin analysis. As we show, in vivo SPME has tremendous potential for the targeted and untargeted screening of small molecules in living organisms for environmental monitoring applications.
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Affiliation(s)
- Miao Yu
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk 80-416, Poland
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, ON N2L 3G1, Canada
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19
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Pieckowski M, Kowalski P, Olędzka I, Miękus-Purwin N, Plenis A, Roszkowska A, Bączek T. Simultaneous determination of mitotane, its metabolite, and five steroid hormones in urine samples by capillary electrophoresis using β-CD 2 SDS 1 complexes as hydrophobic compounds solubilizers. Electrophoresis 2021; 43:990-997. [PMID: 34633693 DOI: 10.1002/elps.202100250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/17/2021] [Accepted: 09/30/2021] [Indexed: 01/04/2023]
Abstract
Mitotane is a cytotoxic drug used in the treatment of inoperable adrenocortical carcinoma, it inhibits steroidogenesis as well, and therefore monitoring the level of steroid hormones in patients treated with mitotane is a crucial point of therapy. Hence, we have developed a simple, fast, and efficient electrophoretic method combined with reverse polarity sweeping as online preconcentration technique and dispersive liquid-liquid microextraction for the simultaneous determination of mitotane, its main metabolite DDA, and five steroid hormones (progesterone, testosterone, epitestosterone, cortisol, and corticosterone) in urine samples. In addition, a new sample matrix consisting of β-CD2 SDS1 complexes for a high hydrophobic compounds solubilization was developed. Approach based on the application of β-cyclodextrin and SDS complex of a ratio 2:1 allowed for hydrodynamic injection into the capillary of a solution containing both mitotane and other analytes. The detection limits of the analytes for the reverse polarity sweeping-dispersive liquid-liquid microextraction method were found to be in the range of 1.5-3 ng/mL, which were approximately 1000 times lower than in the conventional hydrodynamic injection (5 s, 0.5 psi) without any preconcentration procedure. All analytes were completely resolved in less than 13 min by uncoated silica capillary with an inner diameter of 75 μm (ID) × 60 cm. Electrophoretic separation was performed in reverse polarity with a voltage of -25 kV with a background electrolyte (BGE) consisting of 100 mM SDS, 25% ACN, 25 mM phosphate buffer (pH 2.5), and 7 mM β-cyclodextrin.
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Affiliation(s)
- Michał Pieckowski
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Piotr Kowalski
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Natalia Miękus-Purwin
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Alina Plenis
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
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20
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Looby N, Roszkowska A, Reyes-Garcés N, Yu M, Bączek T, Kulasingam V, Pawliszyn J, Chandran V. Serum metabolic fingerprinting of psoriasis and psoriatic arthritis patients using solid-phase microextraction-liquid chromatography-high-resolution mass spectrometry. Metabolomics 2021; 17:59. [PMID: 34137950 PMCID: PMC8211611 DOI: 10.1007/s11306-021-01805-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 05/29/2021] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Psoriatic arthritis (PsA), an inflammatory arthritis that develops in individuals with psoriasis, is associated with reduced quality of life. Identifying biomarkers associated with development of PsA as well as with PsA disease activity may help management of psoriatic disease. OBJECTIVES To use metabolomic fingerprinting to determine potential candidate markers of disease conversion (psoriasis to PsA) and/or PsA activity. METHODS A novel sample preparation protocol based on solid-phase microextraction (SPME) was used to prepare serum samples obtained from: (1) individuals with psoriasis, some of whom develop psoriatic arthritis (n = 20); (2) individuals with varying PsA activity (mild, moderate, severe; n = 10 each) and (3) healthy controls (n = 10). Metabolomic fingerprinting of the obtained extracts was performed using reversed-phase liquid chromatography coupled to high resolution mass spectrometry. RESULTS Psoriasis patients who developed PsA had similar metabolomic profiles to patients with mild PsA and were also indistinguishable from patients with psoriasis who did not develop PsA. Elevated levels of selected long-chain fatty acids (e.g., 3-hydroxytetradecanedioic acid) that are associated with dysregulation of fatty acid metabolism, were observed in patients with severe PsA. In addition, 1,11-undecanedicarboxylic acid-an unusual fatty acid associated with peroxisomal disorders-was also identified as a classifier in PsA patients vs. healthy individuals. Furthermore, a number of different eicosanoids with either pro- or anti-inflammatory properties were detected solely in serum samples of patients with moderate and severe PsA. CONCLUSION A global metabolomics approach was employed to analyze the serum metabolome of patients with psoriasis, PsA, and healthy controls in order to examine potential differences in the biochemical profiles at a metabolite level. A closer examination of circulating metabolites may potentially provide markers of PsA activity.
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Affiliation(s)
- Nikita Looby
- Department of Chemistry, University of Waterloo, 200 University Avenue, Waterloo, ON, N2L 3G1, Canada
| | - Anna Roszkowska
- Department of Chemistry, University of Waterloo, 200 University Avenue, Waterloo, ON, N2L 3G1, Canada
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Nathaly Reyes-Garcés
- Department of Chemistry, University of Waterloo, 200 University Avenue, Waterloo, ON, N2L 3G1, Canada
| | - Miao Yu
- Department of Chemistry, University of Waterloo, 200 University Avenue, Waterloo, ON, N2L 3G1, Canada
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Vathany Kulasingam
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.
- Division of Clinical Biochemistry, University Health Network, Toronto, Canada.
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, 200 University Avenue, Waterloo, ON, N2L 3G1, Canada.
| | - Vinod Chandran
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.
- Department of Medicine, Division of Rheumatology, University of Toronto, Toronto, Canada.
- Institute of Medical Science, University of Toronto, Toronto, Canada.
- Schroeder Arthritis Institute, Krembil Research Institute, University Healthy Network, Toronto, ON, MT5 2S8, Canada.
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21
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Bojko B, Vasiljevic T, Boyaci E, Roszkowska A, Kraeva N, Ibarra Moreno CA, Koivu A, Wąsowicz M, Hanna A, Hamilton S, Riazi S, Pawliszyn J. Untargeted metabolomics profiling of skeletal muscle samples from malignant hyperthermia susceptible patients. Can J Anaesth 2021; 68:761-772. [PMID: 33403543 PMCID: PMC8185566 DOI: 10.1007/s12630-020-01895-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/29/2020] [Accepted: 07/29/2020] [Indexed: 01/09/2023] Open
Abstract
PURPOSE Malignant hyperthermia (MH) is a potentially fatal hypermetabolic condition triggered by certain anesthetics and caused by defective calcium homeostasis in skeletal muscle cells. Recent evidence has revealed impairment of various biochemical pathways in MH-susceptible patients in the absence of anesthetics. We hypothesized that clinical differences between MH-susceptible and control individuals are reflected in measurable differences in myoplasmic metabolites. METHODS We performed metabolomic profiling of skeletal muscle samples from MH-negative (control) individuals and MH-susceptible patients undergoing muscle biopsy for diagnosis of MH susceptibility. Cellular metabolites were extracted from 33 fresh and 87 frozen human muscle samples using solid phase microextraction and Metabolon® untargeted biochemical profiling platforms, respectively. Ultra-performance liquid chromatography-high resolution mass spectrometry was used for metabolite identification and validation, followed by analysis of differences in metabolites between the MH-susceptible and MH-negative groups. RESULTS Significant fold-change differences between the MH-susceptible and control groups in metabolites from various pathways were found (P value range: 0.009 to < 0.001). These included accumulation of long chain acylcarnitines, diacylglycerols, phosphoenolpyruvate, histidine pathway metabolites, lysophosphatidylcholine, oxidative stress markers, and phosphoinositols, as well as decreased levels of monoacylglycerols. The results from both analytical platforms were in agreement. CONCLUSION This metabolomics study indicates a shift from utilization of carbohydrates towards lipids for energy production in MH-susceptible individuals. This shift may result in inefficiency of beta-oxidation, and increased muscle protein turnover, oxidative stress, and/or lysophosphatidylcholine levels.
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Affiliation(s)
- Barbara Bojko
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Tijana Vasiljevic
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada
| | - Ezel Boyaci
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Anna Roszkowska
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada
- Department of Pharmaceutical Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Natalia Kraeva
- Malignant Hyperthermia Investigation Unit, Department of Anesthesia, University Health Network, University of Toronto, 323-200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
| | - Carlos A Ibarra Moreno
- Malignant Hyperthermia Investigation Unit, Department of Anesthesia, University Health Network, University of Toronto, 323-200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
| | - Annabel Koivu
- Malignant Hyperthermia Investigation Unit, Department of Anesthesia, University Health Network, University of Toronto, 323-200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
| | - Marcin Wąsowicz
- Malignant Hyperthermia Investigation Unit, Department of Anesthesia, University Health Network, University of Toronto, 323-200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
| | - Amy Hanna
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, Texas, USA
| | - Susan Hamilton
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, Texas, USA
| | - Sheila Riazi
- Malignant Hyperthermia Investigation Unit, Department of Anesthesia, University Health Network, University of Toronto, 323-200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada.
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada
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22
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Treder N, Olędzka I, Roszkowska A, Bączek T, Plenis A. Control of retention mechanisms on an octadecyl-bonded silica column using ionic liquid-based mobile phase in analysis of cytostatic drugs by liquid chromatography. J Chromatogr A 2021; 1651:462257. [PMID: 34090057 DOI: 10.1016/j.chroma.2021.462257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 11/20/2022]
Abstract
This study assesses the potential of using ionic liquids (ILs) as mobile phase additives to control the retention mechanism of four cytostatic drugs: doxorubicin hydrochloride (DOX), epirubicin hydrochloride (EPI), daunorubicin hydrochloride (DAU) and idarubicin hydrochloride (IDA). Chromatographic separations were performed on a C18 analytical column (Discovery C18 150 × 4.6 mm, 5 µm) using six IL anions and four methyl-substituted IL cations with different alkyl chain lengths (alone or with the additional methyl group on the aromatic ring), or with an allyl group added as a cationic substituent. Thus, a total of 17 different ILs were assessed. The aqueous formic acid solution and phosphate buffer were used to compare how mobile phase composition affected the behavior of the analyzed cytostatic agents in the presence of ILs. In addition, the impacts of IL concentration, phosphate buffer concentration, and phosphate buffer pH on the final results were also considered. The ability to change analyte retention without negatively impacting peak shape or analytical efficiency was also controlled via the tailing factor and number of theoretical plates. Based on the results, the tested ILs were classified as either effective or ineffective mobile phase additives for separation of anthracyclines and identification by LC-FL technique.
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Affiliation(s)
- Natalia Treder
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, Gdańsk 80-416, Poland
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, Gdańsk 80-416, Poland
| | - Anna Roszkowska
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, Gdańsk 80-416, Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, Gdańsk 80-416, Poland
| | - Alina Plenis
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, Gdańsk 80-416, Poland.
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Yu M, Lendor S, Roszkowska A, Olkowicz M, Bragg L, Servos M, Pawliszyn J. Metabolic profile of fish muscle tissue changes with sampling method, storage strategy and time. Anal Chim Acta 2020; 1136:42-50. [DOI: 10.1016/j.aca.2020.08.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 07/11/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023]
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Bojko B, Looby N, Olkowicz M, Roszkowska A, Kupcewicz B, Reck Dos Santos P, Ramadan K, Keshavjee S, Waddell TK, Gómez-Ríos G, Tascon M, Goryński K, Cypel M, Pawliszyn J. Solid phase microextraction chemical biopsy tool for monitoring of doxorubicin residue during in vivo lung chemo-perfusion. J Pharm Anal 2020; 11:37-47. [PMID: 33717610 PMCID: PMC7930785 DOI: 10.1016/j.jpha.2020.08.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/24/2020] [Accepted: 08/24/2020] [Indexed: 12/24/2022] Open
Abstract
Development of a novel in vivo lung perfusion (IVLP) procedure allows localized delivery of high-dose doxorubicin (DOX) for targeting residual micrometastatic disease in the lungs. However, DOX delivery via IVLP requires careful monitoring of drug level to ensure tissue concentrations of this agent remain in the therapeutic window. A small dimension nitinol wire coated with a sorbent of biocompatible morphology (Bio-SPME) has been clinically evaluated for in vivo lung tissue extraction and determination of DOX and its key metabolites. The in vivo Bio-SPME-IVLP experiments were performed on pig model over various (150 and 225 mg/m2) drug doses, and during human clinical trial. Two patients with metastatic osteosarcoma were treated with a single 5 and 7 μg/mL (respectively) dose of DOX during a 3-h IVLP. In both pig and human cases, DOX tissue levels presented similar trends during IVLP. Human lung tissue concentrations of drug ranged between 15 and 293 μg/g over the course of the IVLP procedure. In addition to DOX levels, Bio-SPME followed by liquid chromatography-mass spectrometry analysis generated 64 metabolic features during endogenous metabolite screening, providing information about lung status during drug administration. Real-time monitoring of DOX levels in the lungs can be performed effectively throughout the IVLP procedure by in vivo Bio-SPME chemical biopsy approach. Bio-SPME also extracted various endogenous molecules, thus providing a real-time snapshot of the physiology of the cells, which might assist in the tailoring of personalized treatment strategy.
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Affiliation(s)
- Barbara Bojko
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada.,Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-089, Bydgoszcz, Poland
| | - Nikita Looby
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada
| | - Mariola Olkowicz
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada.,Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 30-348 Krakow, Poland
| | - Anna Roszkowska
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada.,Department of Pharmaceutical Chemistry, Medical University of Gdansk, 80-416, Gdansk, Poland
| | - Bogumiła Kupcewicz
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-089, Bydgoszcz, Poland
| | | | - Khaled Ramadan
- University Health Network - TGH, Toronto, ON M5G 2C4, Canada
| | - Shaf Keshavjee
- University Health Network - TGH, Toronto, ON M5G 2C4, Canada
| | | | - German Gómez-Ríos
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada
| | - Marcos Tascon
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada
| | - Krzysztof Goryński
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada.,Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-089, Bydgoszcz, Poland
| | - Marcelo Cypel
- University Health Network - TGH, Toronto, ON M5G 2C4, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, ON M1B 6G3, Canada
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25
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Roszkowska A, Yu M, Bessonneau V, Ings J, McMaster M, Smith R, Bragg L, Servos M, Pawliszyn J. In vivo solid-phase microextraction sampling combined with metabolomics and toxicological studies for the non-lethal monitoring of the exposome in fish tissue. Environ Pollut 2019; 249:109-115. [PMID: 30884389 DOI: 10.1016/j.envpol.2019.03.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 03/06/2019] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
Various environmental studies have employed the biomonitoring of fish in their aquatic ecosystems in order to identify potential metabolic responses to the exposome. In this study, we applied in vivo solid-phase microextraction (SPME) to perform non-lethal sampling on the muscle tissue of living fish to extract toxicants and various endogenous metabolites. Sixty white suckers (Catastomus commersonii) were sampled from sites upstream, adjacent, and downstream from the oil sands development region of the Athabasca River (Alberta, Canada) in order to track their biochemical responses to potential contaminants. In vivo SPME sampling facilitated the extraction of a wide range of endogenous metabolites, mainly related to lipid metabolism. The obtained results revealed significant changes in the levels of numerous metabolites, including eicosanoids, linoleic acids, and fat-soluble vitamins, in fish sampled in different areas of the river, thus demonstrating SPME's applicability for the direct monitoring of exposure to different environmental toxicants. In addition, several classes of toxins, including petroleum-related compounds, that can cause serious physiological impairment were tentatively identified in the extracts. In vivo SPME, combined with the analysis of contaminants and endogenous metabolites, provided important information about the exposome; as such, this approach represents a potentially powerful and non-lethal tool for identifying the mechanisms that produce altered metabolic pathways in response to the mixtures of different environmental pollutants.
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Affiliation(s)
- Anna Roszkowska
- Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada
| | - Miao Yu
- Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada
| | - Vincent Bessonneau
- Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada
| | - Jennifer Ings
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, Ontario, Canada
| | - Mark McMaster
- Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, Ontario, Canada
| | - Richard Smith
- Mass Spectrometry Facility, University of Waterloo, Waterloo, Ontario, Canada
| | - Leslie Bragg
- Department of Biology, University of Waterloo, Waterloo, Ontario, Canada
| | - Mark Servos
- Department of Biology, University of Waterloo, Waterloo, Ontario, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada.
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Huq M, Tascon M, Nazdrajic E, Roszkowska A, Pawliszyn J. Measurement of Free Drug Concentration from Biological Tissue by Solid-Phase Microextraction: In Silico and Experimental Study. Anal Chem 2019; 91:7719-7728. [DOI: 10.1021/acs.analchem.9b00983] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mohammad Huq
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Marcos Tascon
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Emir Nazdrajic
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Anna Roszkowska
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
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Roszkowska A. Solid phase microextraction (SPME) as a modern technique for the isolation of medications from biological samples. Farm Pol 2018. [DOI: 10.32383/farmpol/118621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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28
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Roszkowska A, Miękus N, Bączek T. Application of solid-phase microextraction in current biomedical research. J Sep Sci 2018; 42:285-302. [DOI: 10.1002/jssc.201800785] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 10/02/2018] [Accepted: 10/02/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Anna Roszkowska
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Medical University of Gdańsk; Gdańsk Poland
| | - Natalia Miękus
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Medical University of Gdańsk; Gdańsk Poland
- Department of Animal and Human Physiology; Faculty of Biology; University of Gdańsk; Gdańsk Poland
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Medical University of Gdańsk; Gdańsk Poland
- Department of Nursing; Faculty of Health Sciences; Pomeranian University of Słupsk; Słupsk Poland
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Roszkowska A, Yu M, Bessonneau V, Bragg L, Servos M, Pawliszyn J. Tissue storage affects lipidome profiling in comparison to in vivo microsampling approach. Sci Rep 2018; 8:6980. [PMID: 29725071 PMCID: PMC5934459 DOI: 10.1038/s41598-018-25428-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 04/23/2018] [Indexed: 01/17/2023] Open
Abstract
Low-invasive in vivo solid-phase microextraction (SPME) was used to investigate the lipid profiles of muscle tissue of living fish. Briefly, mixed mode SPME fibers were inserted into the muscle for 20 min extraction, and then the fibers were desorbed in an optimal mixture of solvents. The obtained lipid profile was then compared and contrasted to that obtained with employment of ex vivo SPME and solid-liquid extraction (SLE) from fish muscle tissue belonging to the same group of fish, following a one-year storage period. Ex vivo SPME analysis of stored muscle samples revealed 10-fold decrease in the number of detected molecular features in comparison to in vivo study. Moreover, in vivo microsampling enabled the identification of different classes of bioactive lipids, including fatty acyls, not present in the lipid profile obtained through ex vivo SPME and SLE, suggesting the alterations occurring in the unbound lipid fraction of the system under study during the storage and also indicating the advantage of the in vivo extraction approach.
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Affiliation(s)
- Anna Roszkowska
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada.,Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Miao Yu
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada
| | | | - Leslie Bragg
- Department of Biology, University of Waterloo, Waterloo, ON, Canada
| | - Mark Servos
- Department of Biology, University of Waterloo, Waterloo, ON, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, ON, Canada.
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30
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Sekowski S, Terebka M, Veiko A, Lapshina E, Sulkowska U, Zavodnik IB, Abdulladjanova N, Mavlyanov S, Roszkowska A, Zamaraeva M. Epigallocatechin gallate (EGCG) activity against UV light-induced photo damages in erythrocytes and serum albumin—theoretical and experimental studies. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.01.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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31
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Roszkowska A, Tascon M, Bojko B, Goryński K, Dos Santos PR, Cypel M, Pawliszyn J. Equilibrium ex vivo calibration of homogenized tissue for in vivo SPME quantitation of doxorubicin in lung tissue. Talanta 2018; 183:304-310. [PMID: 29567180 DOI: 10.1016/j.talanta.2018.02.049] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/12/2018] [Accepted: 02/12/2018] [Indexed: 01/26/2023]
Abstract
The fast and sensitive determination of concentrations of anticancer drugs in specific organs can improve the efficacy of chemotherapy and minimize its adverse effects. In this paper, ex vivo solid-phase microextraction (SPME) coupled to LC-MS/MS as a method for rapidly quantitating doxorubicin (DOX) in lung tissue was optimized. Furthermore, the theoretical and practical challenges related to the real-time monitoring of DOX levels in the lung tissue of a living organism (in vivo SPME) are presented. In addition, several parameters for ex vivo/in vivo SPME studies, such as extraction efficiency of autoclaved fibers, intact/homogenized tissue differences, critical tissue amount, and the absence of an internal standard are thoroughly examined. To both accurately quantify DOX in solid tissue and minimize the error related to the lack of an internal standard, a calibration method at equilibrium conditions was chosen. In optimized ex vivo SPME conditions, the targeted compound was extracted by directly introducing a 15 mm (45 µm thickness) mixed-mode fiber into 15 g of homogenized tissue for 20 min, followed by a desorption step in an optimal solvent mixture. The detection limit for DOX was 2.5 µg g-1 of tissue. The optimized ex vivo SPME method was successfully applied for the analysis of DOX in real pig lung biopsies, providing an averaged accuracy and precision of 103.2% and 12.3%, respectively. Additionally, a comparison between SPME and solid-liquid extraction revealed good agreement. The results presented herein demonstrate that the developed SPME method radically simplifies the sample preparation step and eliminates the need for tissue biopsies. These results suggest that SPME can accurately quantify DOX in different tissue compartments and can be potentially useful for monitoring and adjusting drug dosages during chemotherapy in order to achieve effective and safe concentrations of doxorubicin.
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Affiliation(s)
- Anna Roszkowska
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Marcos Tascon
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Barbara Bojko
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada; Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Krzysztof Goryński
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada; Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Pedro Reck Dos Santos
- Latner Thoracic Surgery Research Laboratories, Toronto General Research Institute, University Health Network and Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Marcelo Cypel
- Latner Thoracic Surgery Research Laboratories, Toronto General Research Institute, University Health Network and Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
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Konieczna L, Roszkowska A, Stachowicz-Stencel T, Synakiewicz A, Bączek T. Bioanalysis of a panel of neurotransmitters and their metabolites in plasma samples obtained from pediatric patients with neuroblastoma and Wilms' tumor. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1074-1075:99-110. [DOI: 10.1016/j.jchromb.2017.12.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/14/2017] [Accepted: 12/23/2017] [Indexed: 01/22/2023]
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Konieczna L, Kaźmierska K, Roszkowska A, Szlagatys-Sidorkiewicz A, Bączek T. The LC–MS method for the simultaneous analysis of selected fat-soluble vitamins and their metabolites in serum samples obtained from pediatric patients with cystic fibrosis. J Pharm Biomed Anal 2016; 124:374-381. [DOI: 10.1016/j.jpba.2016.03.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 03/07/2016] [Accepted: 03/10/2016] [Indexed: 01/06/2023]
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Konieczna L, Roszkowska A, Niedźwiecki M, Bączek T. Hydrophilic interaction chromatography combined with dispersive liquid–liquid microextraction as a preconcentration tool for the simultaneous determination of the panel of underivatized neurotransmitters in human urine samples. J Chromatogr A 2016; 1431:111-121. [DOI: 10.1016/j.chroma.2015.12.062] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 12/10/2015] [Accepted: 12/20/2015] [Indexed: 01/01/2023]
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35
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Dorobisz K, Kubacka M, Zub K, Dorobisz T, Janczak M, Roszkowska A, Zatoński T, Kręcicki T, Frączek M. [Bilateral squamous carcinoma of the external auditory canal--a case report]. Pol Merkur Lekarski 2015; 39:106-108. [PMID: 26319385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Squamous cell carcinoma of the external auditory canal is a very rare and unusual malignancy, representing less than 0.2% of all head and neck cancers. The authors present a case of 78-year-old patient with bilateral squamous cell carcinoma of the external auditory canal-cT4N0M0 G2, pT4N2bM0, initially treated as a chronic otitis external. The patient was qualifies for the one-step removal of cancer of the earlobe and the external auditory canal. Because of complications during the operation, the plan of treatment was changed. The patient is under oncological control for 13 months.
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Affiliation(s)
- Karolina Dorobisz
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Marzena Kubacka
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Krzysztof Zub
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Tadeusz Dorobisz
- Medical University of Wrocław, Poland: Department of Clinical Basics of Physiotherapy
| | - Marzena Janczak
- Medical University of Wrocław, Poland: University of Environmental and Life Sciences in Wrocław
| | - Anna Roszkowska
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Tomasz Zatoński
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Tomasz Kręcicki
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
| | - Marcin Frączek
- Medical University of Wrocław, Poland: Chair and Department of Otolaryngology
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Roszkowska A, Morawska-Kochman M, Kubacka M, Dorobisz K, Kręcicki T. [Bilateral external auditory canal cholesteatoma - a case report]. Pol Merkur Lekarski 2015; 38:335-339. [PMID: 26098654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The external auditory canal cholesteatoma is a rare and difficult to diagnose disease. Symptoms are similar to the external ear canal inflammation and can be masked by retained cerumen. In the article we described a case of 22 year old, mentally impairment women with bilateral otorrhea, in the past treated for external ear canal inflammation. The otoscopic examination showed bilateral congenital auditory canal stenosis, with masses obstructing ear canals. Imaging and histopathologic studies revealed bilateral external ear canal cholesteatoma. The patient was qualified for surgery, which, together with a guardian, did not consent. Presented case indicates the necessity for widening the diagnostic of recurrent external ear canal inflammation.
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Affiliation(s)
- Anna Roszkowska
- Department of Otolaryngology, Head and Neck Surgery, Hospital of the Medical University of Wroclaw, Poland
| | - Monika Morawska-Kochman
- Department of Otolaryngology, Head and Neck Surgery, Hospital of the Medical University of Wroclaw, Poland
| | - Marzena Kubacka
- Department of Otolaryngology, Head and Neck Surgery, Hospital of the Medical University of Wroclaw, Poland
| | - Karolina Dorobisz
- Department of Otolaryngology, Head and Neck Surgery, Hospital of the Medical University of Wroclaw, Poland
| | - Tomasz Kręcicki
- Department of Otolaryngology, Head and Neck Surgery, Hospital of the Medical University of Wroclaw, Poland
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Micali A, Pisani A, Puzzolo D, Spinella R, Roszkowska A, Aragona P. Effect of hypothyroidism on postnatal conjunctival development in rats. Ophthalmic Res 2010; 45:102-12. [PMID: 20798563 DOI: 10.1159/000317065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2010] [Accepted: 06/09/2010] [Indexed: 11/19/2022]
Abstract
AIM To study the conjunctival development in hypothyroid genetically epilepsy-prone rats (GEPRs) with serum T3 and T4 significantly lower than in normal rats. METHODS A structural, ultrastructural and histochemical study on the conjunctival epithelium of GEPRs and of control Sprague-Dawley (SD) rats before and after eyelid opening, with particular regard to goblet cell differentiation. RESULTS From birth to day 12, no goblet cells were demonstrated on the conjunctival surface of both strains, so that the epithelium was formed only by a cuboidal basal layer and by a superficial layer of roundish or flattened cells. On day 16, after the eyelid opening, Alcian blue (AB)-positive goblet cells filled with homogeneous granules were demonstrated isolated, in GEPRs, or clustered, in SD rats, in both the fornices and palpebral conjunctiva. The epithelium showed a basal layer and many layers of flattened cells and was taller in SD rats (8-10 layers) than in GEPRs (6-7 layers). At 3 months, the epithelium in SD rats was higher with generally clustered goblet cells, whilst in GEPRs goblet cells were both isolated or clustered. In both strains, the goblet cells showed a marked AB/periodic acid-Schiff positivity all over the conjunctival surface and were filled with granules of different density. In both strains, goblet cells were absent at birth and their appearance, as AB-positive cells, was concomitant with eyelid opening. CONCLUSIONS Hypothyroid rats showed a conjunctival development different than that of normothyroid rats for both epithelial and goblet cells. It appears that thyroid hormone imbalance may influence conjunctival development.
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Affiliation(s)
- A Micali
- Department of Biomorphology and Biotechnologies, University of Messina, Messina, Italy
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Dlugosz A, Roszkowska A, Zimmer M. Oestradiol protects against the harmful effects of fluoride more by increasing thiol group levels than scavenging hydroxyl radicals. Basic Clin Pharmacol Toxicol 2009; 105:366-73. [PMID: 19799602 DOI: 10.1111/j.1742-7843.2009.00411.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The aim of the study was to investigate the role of oestrogens in free radical detoxication upon exposure to fluoride. Interactions between xenobiotics and oestrogens need to be investigated, especially as many chemicals interact with the oestrogen receptor. It is still unknown whether free radical-generating xenobiotics can influence the antioxidative ability of oestradiol (E(2)). In an in vitro examination of human placental mitochondria, thiobarbituric active reagent species (TBARS), hydroxyl radical ((*)OH) generation and protein thiol (-SH) groups were detected. 17beta-E(2) was examined in physiological (0.15-0.73 nM) and experimental (1-10 microM) concentrations and sodium fluoride (NaF) in concentrations of 6-24 microM. E(2) in all the concentrations significantly decreased lipid peroxidation measured as the TBARS level, in contrast to NaF, which increased lipid peroxidation. Lipid peroxidation induced by NaF was decreased by E(2). The influence of E(2) on (*)OH generation was not very significant and depended on the E(2 )concentration. The main mechanism of E(2) protection in NaF exposure appeared to be connected with the influence of E(2 )on thiol group levels, not (*)OH scavenging ability. The E(2) in concentrations 0.44-0.73 nM and 1-10 microM significantly increased the levels of -SH groups, in contrast to NaF, which significantly decreased them. E(2) at every concentration reversed the harmful effects of NaF on -SH group levels. No unfavourable interactions in the influence of E(2) and NaF on TBARS production, (*)OH generation, or -SH group levels were observed. The results suggest that postmenopausal women could be more sensitive to NaF-initiated oxidative stress.
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Affiliation(s)
- Anna Dlugosz
- Department of Toxicology, Wroclaw Medical University, Traugutta, Wroclaw, Poland.
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Russo V, Stella A, Appezzati L, Barone A, Stagni E, Roszkowska A, Delle Noci N. Clinical efficacy of a Ginkgo biloba extract in the topical treatment of allergic conjunctivitis. Eur J Ophthalmol 2009; 19:331-6. [PMID: 19396774 DOI: 10.1177/112067210901900301] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To investigate the clinical efficacy of a Ginkgo biloba extract associated with hyaluronic acid ophthalmic solution (GB-HA, Trium, SOOFT, Italy), compared to hyaluronic acid ophthalmic solution (HA) alone, in seasonal allergic conjunctivitis (AC). METHODS A total of 60 patients with symptomatic AC were enrolled and randomly assigned to the two treatment regimens. After a washout period of 15 days, the treatment with GB-HA eyedrops or HA ophthalmic solution alone was initiated and continued for 1 month. The clinical symptoms such as conjunctival hyperemia, conjunctival discharge, and chemosis, and subjective signs as itching, photophobia, stinging, and lacrimation, were evaluated before and after the treatment. A 0-4 score was used by an independent clinical observer to quantify the above parameters. RESULTS Patients treated with GB-HA, compared to patients treated with HA alone, showed a significant decrease in the appearance of conjunctival hyperemia, conjunctival discharge, and chemosis. Furthermore, all patients treated with GB-HA showed a significant improvement of subjective symptoms, compared to HA patients. Compared to their baseline values, patients treated with HA alone showed a small but not significant improvement in only some of the clinical and subjective symptoms. CONCLUSIONS The results suggest that Ginkgo biloba extract may exert therapeutic activity in the treatment of seasonal allergic conjunctivitis. Hyaluronic acid did not exert any valuable effect on this pathology.
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Affiliation(s)
- Vincenzo Russo
- Ophthalmological Clinic, University of Foggia Medical School, Foggia - Italy.
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Chodorowski Z, Roszkowska A, Klimek J, Kaletha K, Anand JS. [Weak anti-inflammatory effects of acetaminophen are related with its free radicals scavenger activity]. Przegl Lek 2009; 66:352-353. [PMID: 19788149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The main target of acetaminophen application is bifunctional enzyme--prostaglandin endoperoxide H2 synthase (PGHS)--which has cyclo-oxygenase and peroxidase activities and synthesizes initial intermediates in prostanoid synthesis. The reaction catalyzed by PGHS is radical-based and it is initiated and then maintained by the constant presence of peroxides especially peroxynitrate, which generate so-called "peroxide tone" in the enzyme surrounding. Currently it is known that inhibitory effect of acetaminophen on PGHS activity is directly connected with the elimination of "peroxide tone". High concentrations of reactive compounds (e.g. peroxynitrate and lipid peroxides)--produced by cellular defending mechanism at inflammatory sites--significantly decrease inhibitory impact of acetaminophen on PGHS activity. Such observation allows explanation of weak antiinflammatory effect of acetaminophen together with its strong analgesic and antipyretic properties.
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Affiliation(s)
- Zygmunt Chodorowski
- Klinika Chorób Wewnetrznych, Geriatrii i Toksykologii, Akademii Medycznej w Gdańsku
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Szydłowska M, Roszkowska A. Expression patterns of AMP-deaminase isozymes in human hepatocellular carcinoma (HCC). Mol Cell Biochem 2008; 318:1-5. [PMID: 18493842 DOI: 10.1007/s11010-008-9773-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2007] [Accepted: 04/22/2008] [Indexed: 12/31/2022]
Abstract
BACKGROUND AMP-deaminase (EC 3.5.4.6) is an enzyme of nucleotide breakdown involved in regulation of energetic metabolism in mammalian cells. The enzyme is coded by a family of three independent genes (AMPD1, AMPD2 and AMPD3), synthesizing three different isozymes. In mammalian liver, the reaction catalyzed by AMP-deaminase constitutes a rate-limiting step in adenine nucleotide catabolism. In neoplastic liver, adenine nucleotide catabolism is a subject of many modifications, which influence the expression of genes synthesizing enzymes regulating this pathway. AIMS The experimental studies presented here illustrate the expression of AMPD genes in human liver neoplasm tumor (HCC, hepatocellular carcinoma). METHODS RT-PCR and Western blotting methods were used for determining of the goal mentioned above. RESULTS AND CONCLUSION Expression level of AMPD gene family in the tumorous fragment (HCC tumor) of neoplastic liver did not differ substantially from that found in the nontumorous (cirrhotic) fragment of the organ. In this case the expression of AMPD2 gene was prevailing. AMPD2 was the main isoform of AMP-deaminase identified in two liver fragments compared. This is a first report evidencing the pattern of AMPD genes expression in neoplastic human liver.
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Affiliation(s)
- Magdalena Szydłowska
- Department of Biochemistry and Clinical Physiology, Medical University of Gdansk, Debinki 1, 80-211, Gdansk, Poland.
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Roszkowska A, Klimek J, Kaletha K. Expression patterns of AMP-deaminase and cytosolic 5'-nucleotidase genes in human term placenta. Mol Cell Biochem 2007; 311:249-51. [PMID: 18165923 DOI: 10.1007/s11010-007-9699-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2007] [Accepted: 12/17/2007] [Indexed: 11/29/2022]
Abstract
Background AMP-deaminase (EC 3.5.4.6) and 5'-nucleotidase (EC 3.1.3.5) are enzymes responsible for the maintenance of cellular adenine nucleotides pool. Both exist in several isoforms that differ in kinetic properties and tissue distribution. Profile of isoforms of these enzymes in human placenta has not been analyzed so far while this could be important for understanding of pathology of placental ischemia such as in preeclampsia. Our aim was therefore to analyze expression of AMPD and CN-I genes in human term placenta. Methods RT-PCR analysis was used for determine expression of AMPD1, AMPD2, AMPD3 and CN-I. Results and conclusion The experimental results presented here indicate that genes coding "AMP-preferring", cytosolic isozyme of 5'-nucleotidase (cN-I) as well as "muscle-type" isozyme of AMP-deaminase (AMPD1) are not expressed in human term placenta. Among other AMPD family genes, only these coding "liver-type" isozyme (AMPD2) and, in lesser degree, "erythrocyte-type" isozyme (AMPD3) of AMP-deaminase are expressed in this organ. The expression level of AMPD3 was a half of that presented by AMPD2. We conclude that high abundance of AMP-deaminase 2 transcript suggest that this particular isoform is a predominant pathway of adenine nucleotides degradation in human term placenta that follows liver-type regulation of this process.
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Affiliation(s)
- Anna Roszkowska
- Department of Biochemistry and Clinical Physiology, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland.
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Borkowska A, Drozdz W, Roszkowska A, Rybakowski J. The effect of long term treatment with olanzapine on neuropsychological prefrontal test in schizophrenia. Eur Psychiatry 2007. [DOI: 10.1016/j.eurpsy.2007.01.1190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Skrzydlewska E, Roszkowska A, Makieła M, Skrzydlewski Z. The influence of green tea on the activity of proteases and their inhibitors in plasma of rats after ethanol treatment. Rocz Akad Med Bialymst 2002; 46:240-50. [PMID: 11780568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Ethanol oxidation in the liver is accompanied by formation of acetaldehyde and free radicals. These compounds can react with biologically active proteins, including proteolytic enzymes and their inhibitors. The aim of this paper was to determine the influence of green tea on the activity of cathepsin G and elastase and their inhibitors such as alpha-1-antitrypsin and alpha-2-macroglobulin, total antioxidant status and lipid peroxidation in plasma of young rats chronically intoxication with ethanol. The activity of cathepsin G and elastase was increased, while the activity of their inhibitors was reduced after ethanol treatment. AT the same time, the total antioxidant status was significantly decreased while lipid peroxidation measured as malondialdehyde and 4-hydroxynonenal was significantly increased. Giving green tea to rats did not change the proteases and their inhibitors activity, but significantly increased total antioxidant status and decreased lipid peroxidation. Drinking green tea with ethanol partially prevents the changes observed after ethanol intoxication.
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Affiliation(s)
- E Skrzydlewska
- Department of Analytical Chemistry, Medical Academy of Białystok, Białystok, Poland
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Abstract
Oxygen free radicals are generated during methanol-induced liver injury, as was shown for ethanol. The effect of methanol intoxication (6 g kg(-1) body wt.) on protein modification in the liver of rats was investigated. Electron spin resonance determination indicated an increase in the free radical signal 6 and 12 h after intoxication. After 7 days of treatment, the contents of malondialdehyde and carbonyl groups in proteins were significantly increased. The level of amino groups and sulphydryl groups and the amount of tryptophan in proteins were decreased, whereas the amount of bi-tyrosine was increased significantly. Changes in protein structure resulted both from free radical action and formaldehyde generation during methanol intoxication.
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Affiliation(s)
- E Skrzydlewska
- Department of Analytical Chemistry, Medical University, 15-230 Bialystok 8, Poland
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Farbiszewski R, Skrzydlewska E, Roszkowska A. Formaldehyde-induced modification of hemoglobin in vitro. Acta Biol Hung 1999; 49:345-52. [PMID: 10526979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Formaldehyde is known to react with proteins. The purpose of our experiments was to analyse in vitro the effect of formaldehyde on the physicochemical and biological properties of hemoglobin molecules. The effect of formaldehyde concentration, reaction time, pH and temperature on hemoglobin free amino groups was estimated. The modified hemoglobin was analysed using electrophoretic, potentiometric and spectrophotometric techniques. Reaction between formaldehyde and hemoglobin was accelerated by increasing concentration of formaldehyde and higher temperature. This reaction was most intensive during the first few hours at pH 7.4 so the amount of free amino groups of hemoglobin was significantly diminished by directly mixing formaldehyde with hemoglobin. The modified protein was characterized by the increase in electrophoretic mobility and the decrease in maximum absorption derived from porphyrin rings. Formaldehyde modified hemoglobin was less susceptible to the action of cathepsin D.
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Affiliation(s)
- R Farbiszewski
- Department of Analytical Chemistry, Medical University, Bialystok, Poland
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