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Hyun Boo K, Woo Kim J, Song M. Isolation and purification of high molecular weight adiponectin from human plasma fraction. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1238:124111. [PMID: 38603890 DOI: 10.1016/j.jchromb.2024.124111] [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: 01/26/2024] [Revised: 03/24/2024] [Accepted: 03/29/2024] [Indexed: 04/13/2024]
Abstract
Adiponectin, a crucial protein hormone originating from adipose tissue, regulates key metabolic processes, including lipid metabolism, mitochondrial activity, and insulin sensitivity. These pleiotropic roles of adiponectin, along with its inverse correlation with metabolic disorders such as obesity, type II diabetes, and atherosclerosis, establish this protein as a potential therapeutic target. However, due to this complexity, challenges have arisen in its production with a natural conformation in bacterial or mammalian expression systems, hindering clinical translation. Furthermore, while inducers for adiponectin secretion or chemical agonists targeting adiponectin receptors have shown promise in laboratory settings, clinical studies with these agents have not yet been conducted. This study proposes a method for isolating and purifying natural high molecular weight (HMW) adiponectin from discarded plasma fractions during the conventional pharmaceutical protein manufacturing process. The process involved Cohn-Oncley fractionation, initial chromatography using reduced cellufine formyl, and subsequent purification via DEAE Sepharose chromatography. Characterization involved gel electrophoresis and biological assays on a hepatocyte cell-line. The purification process effectively captured adiponectin from the I + III paste, demonstrating that this fraction contained a significant portion of total plasma adiponectin. The two-step chromatography led to highly purified HMW adiponectin, confirmed by native-PAGE showing a 780 kDa multimeric complex. Biological assessments demonstrated normal downstream signaling, with HMW adiponectin inducing AMPK phosphorylation. This study demonstrates the feasibility of obtaining purified HMW adiponectin by repurposing plasma fractionation processes. It offers a promising avenue for the HMW adiponectin production, tapping into HMW adiponectin's therapeutic potential against metabolic disorders while optimizing plasma resource utilization in healthcare.
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Affiliation(s)
- Kyung Hyun Boo
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea; ECO lab, SK plasma, Seongnam 13494, Republic of Korea
| | - Jin Woo Kim
- Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Minkyung Song
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea; Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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Derayea SM, Badr El-Din KM, Ahmed AS, Abdelshakour MA, Oraby M. An eco-friendly one-pot spectrofluorimetric approach for the facile determination of overactive bladder drug, tolterodine: Application to dosage forms and biological fluids. Spectrochim Acta A Mol Biomol Spectrosc 2024; 311:123986. [PMID: 38335587 DOI: 10.1016/j.saa.2024.123986] [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: 11/22/2023] [Revised: 01/28/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
Tolterodine tartrate (TTD) was the first antimuscarinic medication developed exclusively for the treatment of overactive bladder syndrome and was approved by the FDA in 1998. As a result of the drug's extensive utilization within the local community following its authorization, there is a pressing need to develop and validate a spectrofluorometric method that is economically efficient, easily reproducible, environmentally sustainable, and possesses high sensitivity. The developed approach relies on enhancing the fluorescence intensity of TTD to reach a level 720 % higher than its initial value, achieved through the application of an aqueous sodium dodecyl sulfate (SDS) solution. A strong correlation was observed with a correlation coefficient of 0.9998 between the concentration of TTD and the fluorescence intensity within the range of 25.0-500.0 ng mL-1. This approach could be employed to quantify TTD in its pure form and to examine pharmaceutical tablets for the purposes of verifying uniform content. Additionally, it was utilized for the evaluation of TTD concentrations in spiked human plasma.
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Affiliation(s)
- Sayed M Derayea
- Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt.
| | - Khalid M Badr El-Din
- Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | - Ahmed S Ahmed
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt
| | - Mohamed A Abdelshakour
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt
| | - Mohamed Oraby
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt
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De Spiegeleer A, Descamps A, Wynendaele E, Naumovski P, Crombez L, Planas M, Feliu L, Knappe D, Mouly V, Bigot A, Bielza R, Hoffmann R, Van Den Noortgate N, Elewaut D, De Spiegeleer B. Streptococcal quorum sensing peptide CSP-7 contributes to muscle inflammation and wasting. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167094. [PMID: 38428683 DOI: 10.1016/j.bbadis.2024.167094] [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: 11/29/2023] [Revised: 02/04/2024] [Accepted: 02/20/2024] [Indexed: 03/03/2024]
Abstract
Muscle wasting diseases, such as cancer cachexia and age-associated sarcopenia, have a profound and detrimental impact on functional independence, quality of life, and survival. Our understanding of the underlying mechanisms is currently limited, which has significantly hindered the development of targeted therapies. In this study, we explored the possibility that the streptococcal quorum sensing peptide Competence Stimulating Peptide 7 (CSP-7) might be a previously unidentified contributor to clinical muscle wasting. We found that CSP-7 selectively triggers muscle cell inflammation in vitro, specifically the release of IL-6. Furthermore, we demonstrated that CSP-7 can traverse the gastrointestinal barrier in vitro and is present in the systemic circulation in humans in vivo. Importantly, CSP-7 was associated with a muscle wasting phenotype in mice in vivo. Overall, our findings provide new mechanistic insights into the pathophysiology of muscle inflammation and wasting.
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Affiliation(s)
- Anton De Spiegeleer
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Department of Geriatrics, Faculty of Medicine and Health Sciences, Ghent University Hospital, Ghent, Belgium
| | - Amélie Descamps
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Drug Quality and Registration (DruQuaR) Group, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Evelien Wynendaele
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Drug Quality and Registration (DruQuaR) Group, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Petar Naumovski
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Drug Quality and Registration (DruQuaR) Group, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Liesbeth Crombez
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Department of Geriatrics, Faculty of Medicine and Health Sciences, Ghent University Hospital, Ghent, Belgium
| | - Marta Planas
- LIPPSO, Department of Chemistry, Universitat de Girona, Maria Aurèlia Capmany 69, Girona, Spain
| | - Lidia Feliu
- LIPPSO, Department of Chemistry, Universitat de Girona, Maria Aurèlia Capmany 69, Girona, Spain
| | - Daniel Knappe
- Center for Biotechnology and Biomedicine, University of Leipzig, Leipzig, Germany; Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, University of Leipzig, Leipzig, Germany
| | - Vincent Mouly
- Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | - Anne Bigot
- Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | - Rafael Bielza
- Department of Geriatric Medicine, Hospital Universitario Infanta Sofía, Madrid, Spain
| | - Ralf Hoffmann
- Center for Biotechnology and Biomedicine, University of Leipzig, Leipzig, Germany; Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, University of Leipzig, Leipzig, Germany
| | - Nele Van Den Noortgate
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Department of Geriatrics, Faculty of Medicine and Health Sciences, Ghent University Hospital, Ghent, Belgium
| | - Dirk Elewaut
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; VIB Inflammation Research Center, Unit for Molecular Immunology and Inflammation, Ghent University, Ghent, Belgium; Department of Rheumatology, Faculty of Medicine and Health Sciences, Ghent University Hospital, Ghent, Belgium
| | - Bart De Spiegeleer
- Translational Research in Immunosenescence, Gerontology and Geriatrics (TRIGG) Group, Ghent University Hospital, Ghent, Belgium; Drug Quality and Registration (DruQuaR) Group, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium.
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Liu M, Fan F, Zhang J, Fang S, Bai Y, Li Y, Zou Y, An Y, Dai X. Simultaneous determination of diquat, paraquat, glufosinate, and glyphosate in plasma by liquid chromatography/tandem mass spectrometry: from method development to clinical application. Anal Bioanal Chem 2024:10.1007/s00216-024-05257-1. [PMID: 38514583 DOI: 10.1007/s00216-024-05257-1] [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: 02/06/2024] [Revised: 03/11/2024] [Accepted: 03/13/2024] [Indexed: 03/23/2024]
Abstract
Diquat (DQ), paraquat (PQ), glufosinate (GLU), and glyphosate (GLYP) are commonly used herbicides that have been confirmed to be toxic to humans. Rapid and accurate measurements of these toxicants in clinical practice are beneficial for the correct diagnosis and timely treatment of herbicide-poisoned patients. The present study aimed to establish an efficient, convenient, and reliable method to achieve the simultaneous quantification of DQ, PQ, GLU, and GLYP in human plasma using liquid chromatography-tandem mass spectrometry (LC-MS/MS) without using derivatization or ion-pairing reagents. DQ, PQ, GLU, and GLYP were extracted by the rapid protein precipitation and liquid-liquid extraction method and then separated and detected by LC-MS/MS. Subsequently, linearity, limit of detection (LOD), limit of quantification (LOQ), precision, accuracy, extraction recovery, matrix effect, dilution integrity, and stability were evaluated to validate the method based on the FDA criteria. Finally, the validated method was applied to real plasma samples collected from 166 Chinese patients with herbicide poisoning. The results showed satisfactory linearity with low LOD (1 ng/mL for DQ and PQ, 5 ng/mL for GLU, and 10 ng/mL for GLYP, respectively) and low LOQ (5 ng/mL for DQ and PQ, 25 ng/mL for GLU and GLYP, respectively). In addition, the precision, accuracy, extraction recovery, and stability of the method were acceptable. The matrix effect was not observed in the analyzed samples. Moreover, the developed method was successfully applied to determine the target compounds in real plasma samples. These data provided reliable evidence for the application of this LC-MS/MS method for clinical poisoning detection.
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Affiliation(s)
- Maozhu Liu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Fei Fan
- West China School of Basic Medical Science & Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jing Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Shiyong Fang
- School of Forensic Medicine, Wannan Medical College, Wuhu, 241002, Anhui, China
| | - Yangjuan Bai
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yamei Li
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yuangao Zou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yunfei An
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xinhua Dai
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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Lou Y, Cheng M, Cao Q, Li K, Qin H, Bao M, Zhang Y, Lin S, Zhang Y. Simultaneous quantification of mirabegron and vibegron in human plasma by HPLC-MS/MS and its application in the clinical determination in patients with tumors associated with overactive bladder. J Pharm Biomed Anal 2024; 240:115937. [PMID: 38198885 DOI: 10.1016/j.jpba.2023.115937] [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: 10/18/2023] [Revised: 12/01/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024]
Abstract
Mirabegron and vibegron, both newly identified beta-3 adrenergic agonists, have significantly improved the quality of life for patients suffering from overactive bladder. In order to comprehensively assess the plasma exposure levels of these agents, the development of a rapid and highly sensitive bioanalytical method becomes imperative. The primary objective of this study was to establish a robust high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method for the concurrent quantification of mirabegron and vibegron in human plasma. The analytes were extracted from a 100 μL plasma sample through protein precipitation, employing 300 μL of methanol. Subsequently, samples underwent separation and quantification using a Waters XBridge C18 column (2.1 × 100 mm, 3.5 µm), with a mobile phase consisting of 0.1% formic acid in water and 0.1% formic acid in acetonitrile. The mass analysis was conducted using positive electrospray ionization (ESI+) operated in a multiple reaction monitoring (MRM) mode. The proposed method was meticulously validated in accordance with the guidelines set forth by the U.S. Food and Drug Administration (FDA) for bioanalytical method validation. The regression equations demonstrated exceptional linearity for both mirabegron (r² ≥ 0.994) and vibegron (r² ≥ 0.996) across the concentration range of 0.5 - 200 ng/mL. Furthermore, the assay exhibited accuracy (inter-day relative error ≤ 6.90%) and precision (inter-day coefficient of variation ≤ 8.88%). The average recoveries of the analytes were found to range from 81.94% to 102.02%, with mean matrix effects falling within the range of 89.77% to 110.58%. As a result, this method was deemed highly suitable for the precise determination of the concentrations of both mirabegron and vibegron in the context of therapeutic drug monitoring and bioequivalence studies.
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Affiliation(s)
- Yutao Lou
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, China
| | - Mengting Cheng
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, China
| | - Qin Cao
- Graduate Training Base (Ningbo), Wenzhou Medical University, Ningbo 315300, China
| | - Kening Li
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, China
| | - Hui Qin
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, China
| | - Meihua Bao
- Hunan key laboratory of the research and development of novel pharmaceutical preparations, School of Pharmaceutical Science, Changsha Medical University, Changsha 410219, China
| | - Yuan Zhang
- Zhejiang Provincial People' s Hospital Bijie Hospital, Bijie, 551799, China
| | - Sisi Lin
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, China.
| | - Yiwen Zhang
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, China; Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou 310014, China; Zhejiang Provincial Clinical Research Center for malignant tumor, Hangzhou 310014, China.
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Sikkema BJ, Mathijssen RHJ, Robbrecht DGJ, Perera TPS, Koolen SLW, de Bruijn P. Quantification and clinical validation of the selective MET kinase inhibitor DO-2 and its metabolites DO-5 and M3 in human plasma. J Pharm Biomed Anal 2024; 240:115962. [PMID: 38211518 DOI: 10.1016/j.jpba.2024.115962] [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: 11/21/2023] [Revised: 12/14/2023] [Accepted: 01/02/2024] [Indexed: 01/13/2024]
Abstract
DO-2 is a highly selective MNNG HOS transforming (MET) inhibitor. This deuterated drug is thought to diminish the formation of the Aldehyde Oxidase 1 inactive metabolite M3. For various reasons, quantification of DO-2 and its metabolites M3 and DO-5 is highly relevant. In this study, we present an ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) method to quantify DO-2, M3 and DO-5. Rolipram served as the internal standard. Aliquots of 25 µL were mixed with 100 µL internal standard consisting of 10 ng/mL rolipram in acetonitrile. Separation of the analytes was achieved on an Acquity UPLC ® HSS T3 column, utilizing gradient elution with water/formic acid and acetonitrile/formic acid at a flow-rate of 0.400 mL/min. Calibration curves were linear in the range of 1.00 - 1000 ng/mL for DO-2 and DO-5, and 2.00 - 2000 ng/mL for M3 in human plasma. The within-run and between-run precisions of DO-2, DO-5 and M3, also at the level of the LLQ, were within 12.1%, while the accuracy ranged from 89.5 to 108.7%. All values for accuracy, within-run and between-run precisions met the criteria set by the Food and Drug Administration. The method was effectively employed in the analysis of samples obtained from a clinical trial.
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Affiliation(s)
- Barend J Sikkema
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands.
| | - Ron H J Mathijssen
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Debbie G J Robbrecht
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | | | - Stijn L W Koolen
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Pharmacy, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Peter de Bruijn
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
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Wang D, Wang J, Liu X, Du K, Liu H, Yang X, Liu T, Liu Q, Wang M, Guo J. Quantifying carboxymethyl lysine and carboxyethyl lysine in human plasma: clinical insights into aging research using liquid chromatography-tandem mass spectrometry. BMC Biotechnol 2024; 24:12. [PMID: 38454400 PMCID: PMC10919032 DOI: 10.1186/s12896-024-00838-5] [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: 11/03/2023] [Accepted: 02/21/2024] [Indexed: 03/09/2024] Open
Abstract
OBJECTIVE The objective of this study was to establish a methodology for determining carboxymethyl lysine (CML) and carboxyethyl lysine (CEL) concentrations in human plasma using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The test results were also used for clinical aging research. METHODS Human plasma samples were incubated with aqueous perfluorovaleric acid (NFPA), succeeded by precipitation utilizing trichloroacetic acid, hydrolysis facilitated by hydrochloric acid, nitrogen drying, and ultimate re-dissolution utilizing NFPA, followed by filtration. Cotinine-D3 was added as an internal standard. The separation was performed on an Agela Venusil ASB C18 column (50 mm × 4.6 mm, 5 μm) with a 5 mmol/L NFPA and acetonitrile/water of 60:40 (v/v) containing 0.15% formic acid. The multiple reaction monitoring mode was used for detecting CML, CEL, and cotinine-D3, with ion pairs m/z 205.2 > 84.1 (for quantitative) and m/z 205.2 > m/z 130.0 for CML, m/z 219.1 > 84.1 (for quantitative) and m/z 219.1 > m/z 130.1 for CEL, and m/z 180.1 > 80.1 for cotinine-D3, respectively. RESULTS The separation of CML and CEL was accomplished within a total analysis time of 6 minutes. The retention times of CML, CEL, and cotinine-D3 were 3.43 minutes, 3.46 minutes, and 4.50 minutes, respectively. The assay exhibited linearity in the concentration range of 0.025-1.500 μmol/L, with a lower limit of quantification of 0.025 μmol/L for both compounds. The relative standard deviations of intra-day and inter-day were both below 9%, and the relative errors were both within the range of ±4%. The average recoveries were 94.24% for CML and 97.89% for CEL. CONCLUSION The results indicate that the developed methodology is fast, highly sensitive, highly specific, reproducible, and suitable for the rapid detection of CML and CEL in clinical human plasma samples. The outcomes of the clinical research project on aging underscored the important indicative significance of these two indicators for research on human aging.
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Affiliation(s)
- Daguang Wang
- Clinical Laboratory, Aviation General Hospital, Beijing, 100000, China
| | - Junshan Wang
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Xinghong Liu
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Kehe Du
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Hongjun Liu
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Xiaofeng Yang
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Tianyi Liu
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Qian Liu
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Meng Wang
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Jian Guo
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China.
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Micalizzi G, Buzzanca C, Chiaia V, Mondello M, Cacciola F, Caccamo D, Mondello L. Measurement of short-chain fatty acids in human plasma by means of fast gas chromatography-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1235:124044. [PMID: 38387342 DOI: 10.1016/j.jchromb.2024.124044] [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: 07/31/2023] [Revised: 01/10/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
A rapid and practicable analytical method for the measurement of short-chain fatty acids (SCFAs) in human plasma was developed. The extraction procedure involved the use of acidified water and methyl tert-butyl ether (MTBE), while the separation and detection of SCFAs, including acetic, propionic, and butyric acids was carried out by using gas chromatography-mass spectrometry (GC-MS) technique. The novelty of the research involves reducing the analysis time (less than 7 min) by using the novel fast GC-MS method. A narrow-bore GC capillary column of dimensions 30 m × 0.25 mm ID × 0.25 μm df with acid-modified poly(ethylene glycol) stationary phase was employed for the chromatographic separation. The signals of target compounds were acquired in selected ion monitoring (SIM) mode monitoring a quantifier ion (Q) and two qualifier ions (q1 and q2). Linearity of the method, limits of detection (LoD) and quantification (LoQ) were evaluated. In detail, regression coefficients of the calibration curves were between 0.9960 and 0.9933; LoDs ranged from 0.02 μM to 0.03 μM, while LoQs from 0.06 μM to 0.10 μM.
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Affiliation(s)
- Giuseppe Micalizzi
- Messina Institute of Technology c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, Former Veterinary School, University of Messina, Viale G. Palatucci Snc 98168, Messina, Italy
| | - Chiara Buzzanca
- Messina Institute of Technology c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, Former Veterinary School, University of Messina, Viale G. Palatucci Snc 98168, Messina, Italy
| | - Valentina Chiaia
- Messina Institute of Technology c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, Former Veterinary School, University of Messina, Viale G. Palatucci Snc 98168, Messina, Italy
| | - Monica Mondello
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, Former Veterinary School, University of Messina, Viale G. Palatucci Snc 98168, Messina, Italy
| | - Francesco Cacciola
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 98125, Messina, Italy.
| | - Daniela Caccamo
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 98125, Messina, Italy
| | - Luigi Mondello
- Messina Institute of Technology c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, Former Veterinary School, University of Messina, Viale G. Palatucci Snc 98168, Messina, Italy; Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, Former Veterinary School, University of Messina, Viale G. Palatucci Snc 98168, Messina, Italy
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Nour IM, Mohamed AR, Hasan MA, Badrawy M. Fluorimetric study on a novel FDA-approved combination used for the treatment of overactive bladder syndrome in different matrices. Spectrochim Acta A Mol Biomol Spectrosc 2024; 307:123644. [PMID: 37976575 DOI: 10.1016/j.saa.2023.123644] [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: 08/25/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/19/2023]
Abstract
For the first time, two spectrofluorimetric techniques were created for the concurrent determination of mirabegron (MBN) and solifenacin (SOL) in different matrices. This novel combination recently received FDA approval to treat overactive bladder syndrome and was marketed under the brand name MiragoTMS25. SOL has a native fluorescence and can be estimated directly in the presence of MBN without any interference at 290 nm after excitation at 230 nm. In contrast to SOL, MBN is a weak fluorescent substance that requires the use of a fluorogenic reagent (like NBD-Cl) to be measured simultaneously with SOL in their mixtures. So, we reacted MBN with NBD-Cl to yield a yellow-colored fluorophore that could be estimated at 546 nm after excitation at 471 nm without any preliminary separation or interference from SOL. All experimental conditions of the applied methods were tested and enhanced for the best results. The applied fluorimetric methods succeeded in determining both drugs in nanograms, making them applicable in biological fluids like human plasma. The linearity ranges of SOL and MBN were found to be 5-250 ng/mL and 50-600 ng/mL, respectively. The LOD values were 0.96 ng/mL and 5.09 ng/mL for SOL and MBN, in order. Excellent results were attained for both drugs during their analysis in spiked plasma samples employing the applied fluorimetric methods, confirming their suitability for use in real human plasma samples and paving the way for further bioequivalence studies on both drugs.
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Affiliation(s)
- Israa M Nour
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr, 11829, Egypt
| | - Ahmed R Mohamed
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr, 11829, Egypt.
| | - Mohamed A Hasan
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo, 11751, Egypt
| | - Mohamed Badrawy
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr, 11829, Egypt
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10
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Kumar P, Nesakumar N, Gopal J, Sivasubramanian S, Vedantham S, Rayappan JBB. Clinical validation of electrochemical biosensor for the detection of methylglyoxal in subjects with type-2 diabetes mellitus. Bioelectrochemistry 2024; 155:108601. [PMID: 37951008 DOI: 10.1016/j.bioelechem.2023.108601] [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: 05/31/2023] [Revised: 09/08/2023] [Accepted: 11/04/2023] [Indexed: 11/13/2023]
Abstract
Methylglyoxal (MG), a highly reactive by-product of glycolysis, is involved in the formation of advanced glycation end-products (AGEs). Elevated levels of MG have been correlated with micro-and macro-angiopathic complications in diabetes, including neuropathy, kidney disease, retinopathy, and cardiovascular disease. Therefore, point-of-care devices for detecting MG may be of great use in the screening of diabetes complications. This study was designed to determine the utility of the developed electrochemical biosensor to measure the level of MG in human plasma from type-2 diabetes mellitus patients. Electrochemical studies were carried out with optimized experimental parameters using the modified Platinum-electrode. Subsequently, clinical studies using 350 blood plasma samples were conducted and the results were validated against the ELISA kit, Normal Glucose Tolerance (NGT), and glycosylated haemoglobin (HbA1c). The MG sensor exhibited a linear range of 1.0-7.5 μM concentration with a sensitivity of 1.02 mA µM-1, a limit of detection of 0.21 µM, a limit of quantification of 0.70 µM and a response time less than 10 s. The sensor showed 90% correlation with ELISA data. The developed biosensor showed a significant correlation with HbA1c and fasting plasma glucose suggesting that it can be used as a point-of-care device to screen for diabetes.
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Affiliation(s)
- Priyanga Kumar
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur 613 401, India; School of Electrical & Electronics Engineering (SEEE), SASTRA Deemed University, Thanjavur 613 401, India
| | - Noel Nesakumar
- School of Chemical & Biotechnology (SCBT), SASTRA Deemed University, Thanjavur 613 401, India
| | | | | | - Srinivasan Vedantham
- School of Chemical & Biotechnology (SCBT), SASTRA Deemed University, Thanjavur 613 401, India; DifGen Pharmaceuticals Private Ltd., Hyderabad, India
| | - John Bosco Balaguru Rayappan
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur 613 401, India; School of Electrical & Electronics Engineering (SEEE), SASTRA Deemed University, Thanjavur 613 401, India.
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11
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Peterka O, Maccelli A, Jirásko R, Vaňková Z, Idkowiak J, Hrstka R, Wolrab D, Holčapek M. HILIC/MS quantitation of low-abundant phospholipids and sphingolipids in human plasma and serum: Dysregulation in pancreatic cancer. Anal Chim Acta 2024; 1288:342144. [PMID: 38220279 DOI: 10.1016/j.aca.2023.342144] [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: 09/20/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 01/16/2024]
Abstract
A new hydrophilic interaction liquid chromatography - mass spectrometry method is developed for low-abundant phospholipids and sphingolipids in human plasma and serum. The optimized method involves the Cogent Silica type C hydride column, the simple sample preparation by protein precipitation, and the removal of highly abundant lipid classes using the postcolumn valve directed to waste during two elution windows. The method allows a highly confident and sensitive identification of low-abundant lipid classes in human plasma (246 lipid species from 24 lipid subclasses) based on mass accuracy and retention dependencies in both polarity modes. The method is validated for quantitation using two internal standards (if available) for each lipid class and applied to human plasma and serum samples obtained from patients with pancreatic ductal adenocarcinoma (PDAC), healthy controls, and NIST SRM 1950. Multivariate data analysis followed by various statistical projection methods is used to determine the most dysregulated lipids. Significant downregulation is observed for lysophospholipids with fatty acyl composition 16:0, 18:0, 18:1, and 18:2. Distinct trends are observed for phosphatidylethanolamines (PE) in relation to the bonding type of fatty acyls, where most PE with acyl bonds are upregulated, while ether/plasmenyl PE are downregulated. For the sphingolipid category, sphingolipids with very long N-acyl chains are downregulated, while sphingolipids with shorter N-acyl chains were upregulated in PDAC. These changes are consistently observed for various classes of sphingolipids, ranging from ceramides to glycosphingolipids, indicating a possible metabolic disorder in ceramide biosynthesis caused by PDAC.
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Affiliation(s)
- Ondřej Peterka
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Alessandro Maccelli
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Robert Jirásko
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Zuzana Vaňková
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Jakub Idkowiak
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Roman Hrstka
- Research Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Denise Wolrab
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic; University of Vienna, Department of Analytical Chemistry, Währinger Strasse 38, 1090, Vienna, Austria
| | - Michal Holčapek
- University of Pardubice, Faculty of Chemical Technology, Department of Analytical Chemistry, Studentská 573, 532 10, Pardubice, Czech Republic.
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12
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Weiermair T, Svehlikova E, Magnes C, Boulgaropoulos B, Altendorfer-Kroath T, Hummer J, Eberl A. Implementation and validation of a UHPLC-MS/MS method for quantification of the endocannabinoids AEA and 2-AG in cerebral interstitial fluid and plasma. J Pharm Biomed Anal 2024; 238:115844. [PMID: 37979522 DOI: 10.1016/j.jpba.2023.115844] [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: 08/17/2023] [Revised: 10/19/2023] [Accepted: 11/02/2023] [Indexed: 11/20/2023]
Abstract
Endogenous endocannabinoids such as N-arachidonoylethanolamine (AEA) and 2-arachidonoylglycerol (2-AG) are involved in the patho-biochemistry of several neurological diseases and have been associated with mood-enhancing phenomena. Although they have been intensively studied in recent years, accurate and reliable quantification of these analytes in cerebral interstitial fluid (cISF) to elucidate their neuro-modulatory role is still challenging. Moreover, there is a need for an analytical method that can analyze plasma in addition to cISF and is thus able to address research questions in both preclinical and clinical studies. Aim was to implement a method for simultaneous quantification of AEA and 2-AG in cISF and plasma, to validate it by taking the requirements of the U.S. Food and Drug Administration into account, and to test its usability in three different case studies. A UHPLC-MS/MS method with preceding liquid-liquid extraction to determine AEA and 2-AG in cISF and plasma was successfully implemented, and the parameters selectivity, specificity, linearity, accuracy, precision, sensitivity, carry-over and stability met the validation criteria. The usability of the analytical method was demonstrated in an in vitro study with cerebral open flow microperfusion (cOFM), an in vivo cOFM study in rats, and a clinical study in human plasma. The developed method allowed quantification of AEA and 2-AG in the biologically relevant concentration ranges in cISF and plasma. The availability of a reliable, complementary, time-resolved dataset of endocannabinoid concentrations in both matrices can be of considerable future importance for the evaluation of drug efficacy.
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Affiliation(s)
- Theresia Weiermair
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Eva Svehlikova
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Christoph Magnes
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Beate Boulgaropoulos
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria; Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Thomas Altendorfer-Kroath
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Joanna Hummer
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria
| | - Anita Eberl
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft m.b.H, Neue Stiftingtalstrasse 2, Graz 8010, Austria.
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13
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Abdelazim AH, Abdelazim MH, Almalki AH. Development of a spectrofluorometric method for selective and sensitive determination of zinc in human Plasma: Implications for olfactory function. Spectrochim Acta A Mol Biomol Spectrosc 2024; 304:123334. [PMID: 37678045 DOI: 10.1016/j.saa.2023.123334] [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] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/24/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023]
Abstract
The relationship between zinc levels and olfactory function is an area of active research due to the role of zinc-dependent metalloenzyme, carbonic anhydrase, in maintaining olfactory function. In this study a spectrofluorometric method was developed for determining zinc levels in the human plasma of healthy participants and patients with olfactory dysfunction. The method relies on the fluorescence property changes of 4-Methylesculetin, which interacts with zinc. In this interaction, the oxygen atom of hydroxyl groups serves as a ligand, coordinating with zinc as a Lewis acid. As a result, the formed complex exhibits significant fluorescence enhancement attributed to the rigid chelate structure, thereby enhancing quantum yield. The resulting complex displays emission peak at 520 nm, which is distinct from the emission peak of 4-Methylesculetin at 460 nm. This bathochromic shift indicates heightened excited-state energy, attributed to zinc coordination and complex formation. The reaction conditions were carefully optimized to ensure selective zinc determination in plasma samples. The developed method demonstrates linearity over a concentration range of 200-4000 ng/mL, with a lower limit of quantification of 115 ng/mL. When applied to quantify plasma zinc levels, the method revealed significantly decreased zinc levels in patients with olfactory dysfunction compared to healthy individuals. These results suggest a potential link between olfactory dysfunction and zinc levels (normal vs. patient; 1150 ± 19 ng/mL vs. 940 ± 14 ng/mL, p < 0.05). The developed method was validated following the ICH M10 guidelines and provided a feasible investigative link between zinc and olfactory function.
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Affiliation(s)
- Ahmed H Abdelazim
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Cairo, Egypt.
| | - Mohamed H Abdelazim
- Department of Otolaryngology, Faculty of Medicine, Al-Azhar University, 34518, Damietta, Egypt
| | - Atiah H Almalki
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; Addiction and Neuroscience Research Unit, Health Science Campus, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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14
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Rinik UR, Kim JE, Lee E, Kwon O, Jung BH. Development of simultaneous quantitative analytical method for three active components of Korean mint (Agastache rugosa (Fisch. & C.A.Mey.) Kuntze) extract in human plasma using ultra-high-performance liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1232:123957. [PMID: 38134516 DOI: 10.1016/j.jchromb.2023.123957] [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: 07/25/2023] [Revised: 11/20/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023]
Abstract
Agastache rugosa contains phenolic compounds and flavonoids, and has been extensively used as a traditional herbal medicine. The major components in Agastache rugosa extract (ARE) are rosmarinic acid, tilianin, and acacetin, for which several analytical techniques have been reported. However, these substances have yet to be simultaneously quantified in human plasma. In this study, we aimed to simultaneously determine the three active components of ARE in human plasma by developing a reliable quantitative analytical method using ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). Chromatographic separation of the plasma samples was achieved using an ACQUITY UPLC® BEH C18 column with a gradient mobile phase of water and acetonitrile containing 0.1 % formic acid. Mass spectrometric detection was performed using a triple quadrupole tandem mass spectrometer in negative electrospray ionization (ESI-) and multiple reaction monitoring (MRM) modes. The developed quantitative method was validated for the three active components. All three analytes exhibited a linear response over the ranges of 0.5-50 ng/mL for rosmarinic acid, 0.1-20 ng/mL for acacetin, and 0.5-20 ng/mL for tilianin with a weighting factor of 1/x (where x is the concentration). At three quality control (QC) concentration levels (low, medium, and high), including the lower limit of quantitation (LLOQ), acceptable accuracy (±15 %) was achieved in the intra- and interday validations. The concentration of rosmarinic acid was highest in plasma. Tilianin and acacetin appeared and were eliminated earlier in the plasma than rosmarinic acid. This study provides a successfully validated method that can be used in further clinical applications of Agastache rugosa extracts.
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Affiliation(s)
- Urmi Rahman Rinik
- Center for Advanced Biomolecular Recognition, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology, Daejeon 34113, Republic of Korea
| | - Ji Eon Kim
- Department of Nutritional Science and Food Management, Graduate Program in System Health Science and Engineering, Ewha Womans University, Republic of Korea
| | - Eunok Lee
- Department of Nutritional Science and Food Management, Graduate Program in System Health Science and Engineering, Ewha Womans University, Republic of Korea
| | - Oran Kwon
- Department of Nutritional Science and Food Management, Graduate Program in System Health Science and Engineering, Ewha Womans University, Republic of Korea
| | - Byung Hwa Jung
- Center for Advanced Biomolecular Recognition, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology, Daejeon 34113, Republic of Korea.
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15
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Macedo-da-Silva J, Rosa-Fernandes L, Santiago VF, Blanes CA, Marie SKN, Palmisano G. Mass Spectrometry-Based Characterization of Protein Aggregates in Tissues and Biofluids. Adv Exp Med Biol 2024; 1443:257-267. [PMID: 38409426 DOI: 10.1007/978-3-031-50624-6_14] [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: 02/28/2024]
Abstract
Protein aggregation is a common mechanism in multiple neurodegenerative and heart diseases and the accumulation of proteins in aggregates is toxic to cells, causing injury and death. The degree of protein aggregation directly correlates with the severity of the disease. Misfolded proteins present thermodynamic barriers that culminate in the loss of structure and function and the exposure of hydrophobic residues. The exposure of hydrophobic residues is the driving force behind protein aggregation, as it reduces surface free energy and increases the propensity for the formation of large insoluble aggregates. Exploring the protein content of aggregates is fundamental to understanding their formation mechanism and pathophysiological effects. We demonstrate here a method for isolating aggregated protein content in human plasma and mouse brain samples. The samples were characterized by mass spectrometry analysis, transmission electron microscopy, and western blotting. We report the identification of proteins associated with neurodegenerative diseases in the isolated pellets. The western blotting analyses of the isolated pellet showed the positivity for CD89 and CD63, consolidated markers of exosomes, confirming the presence of exosomes within the pellet but not in the supernatant in human plasma. Notably, the concomitant isolation of exosomes together with the protein aggregates was feasible starting from 200 μL of human plasma. Moreover, the presented methodology separated albumin from the aggregated pellet, allowing identification of larger diversity of proteins through mass spectrometry analysis.
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Affiliation(s)
- Janaina Macedo-da-Silva
- GlycoProteomics Laboratory, Department of Parasitology, ICB, University of São Paulo, São Paulo, Brazil
- Centre for Motor Neuron Disease Research, Faculty of Medicine, Health & Human Sciences, Macquarie Medical School, Sydney, Australia
| | - Livia Rosa-Fernandes
- GlycoProteomics Laboratory, Department of Parasitology, ICB, University of São Paulo, São Paulo, Brazil
- Centre for Motor Neuron Disease Research, Faculty of Medicine, Health & Human Sciences, Macquarie Medical School, Sydney, Australia
| | - Verônica Feijoli Santiago
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, England, UK
| | - Claudia Angeli Blanes
- GlycoProteomics Laboratory, Department of Parasitology, ICB, University of São Paulo, São Paulo, Brazil
| | - Suely Kazue Nagahashi Marie
- Laboratory of Molecular and Cellular Biology (LIM 15), Department of Neurology, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Giuseppe Palmisano
- GlycoProteomics Laboratory, Department of Parasitology, ICB, University of São Paulo, São Paulo, Brazil.
- School of Natural Sciences, Macquarie University, Sydney, Australia.
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Wang J, Cui L, Pan G, Li Y, Sun X, Zhang Y, Zhao F, Cao Y. Simultaneous determination of human plasma 5 amino acid neurotransmitters using liquid chromatography-tandem mass spectrometry: Establishment of reference intervals in Chinese adult population and application to patients with schizophrenia. Clin Chim Acta 2024; 552:117650. [PMID: 37956824 DOI: 10.1016/j.cca.2023.117650] [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: 05/24/2023] [Revised: 10/25/2023] [Accepted: 11/10/2023] [Indexed: 11/15/2023]
Abstract
Schizophrenia is a serious mental disease with unknown etiology that affects approximately 1 % of the population around the world. Altered levels of amino acid neurotransmitters may underlie the physiopathology of schizophrenia (SZ). This study aimed to develop a rapid and robust liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for simultaneous determination of glutamate acid (Glu), aspartic acid (Asp), γ-aminobutyric acid (GABA), glycine acid (Gly), and Taurine acid (Tau) in patients with schizophrenia plasma and establish reference intervals for Chinese adult populations, and applied to patients with schizophrenia for a preliminary exploration of changes in their plasma levels of five amino acid neurotransmitters. Sample treatment involved protein precipitation followed by dansyl chloride (DNS-Cl) derivatization and total run time is 5.8 min. The method was validated according to the latest national and international guidelines, which achieved acceptable precision (0.54-14.54 %) and accuracy (97.06-103.82 %). The reference interval for Glu, Asp, Gly, Tau, and GABA were 55.51-189.06, 27.51-92.38, 204.01-574.55, 107.50-227.65, and <1 μmol/L, respectively. Increased Tau levels and decreased Asp and Glu levels were shown in patients with schizophrenia. This method was suitable for clinical routine detection of plasma 5 amino acid neurotransmitters in Chinese adult populations.
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Affiliation(s)
- Juan Wang
- Liaoning Provincial Key Laboratory of Clinical Oncology Metabonomics, Jinzhou Medical University, Jinzhou, China
| | - Li Cui
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, China
| | | | - Ying Li
- Liaoning Provincial Key Laboratory of Clinical Oncology Metabonomics, Jinzhou Medical University, Jinzhou, China; Dalian Boyuan Medical Lab Co. Ltd, Dalian, China
| | - Xiaoyu Sun
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, China
| | - Yalian Zhang
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, China
| | - Furong Zhao
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, China
| | - Yunfeng Cao
- Liaoning Provincial Key Laboratory of Clinical Oncology Metabonomics, Jinzhou Medical University, Jinzhou, China; Development Platform for Mass Spectrometry Technology, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China.
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17
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Kim KY, Kim BH, Kwack WG, Kwon HJ, Cho SH, Kim CW. Simple and robust LC-MS/MS method for quantification of colistin methanesulfonate and colistin in human plasma for therapeutic drug monitoring. J Pharm Biomed Anal 2023; 236:115734. [PMID: 37776629 DOI: 10.1016/j.jpba.2023.115734] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 08/04/2023] [Revised: 09/12/2023] [Accepted: 09/18/2023] [Indexed: 10/02/2023]
Abstract
A rapid, simple, and robust LC-MS/MS method was developed and validated for the quantitation of colistin and colistin methanesulfonate (CMS) in human plasma. The method also prevented overestimation of colistin concentration by establishing the stability of CMS under sample preparation conditions, including blood and plasma storage conditions. Polymyxin B1 was used as an internal standard, and positive-ion electrospray ionization in multiple reaction monitoring mode was used for quantification. Chromatographic separation was achieved using a Zorbax eclipse C18 column (3.5 µm, 2.1 mm i.d. × 100 mm), with a flow rate of 0.5 mL/min, 5 μL injection volume, and gradient elution with a mixture of acetonitrile-water (containing 0.1 % trifluoroacetic acid). The method had a quantifiable range of 0.043-8.61 and 0.057-11.39 μg/mL for colistin A and B in human plasma, respectively, under a total runtime of 6.0 min. Further, it demonstrated appropriate extraction efficiency, no significant interference from co-eluting endogenous compounds, and satisfactory intraday and interday precision and accuracy. The proposed procedure for sample preparation successfully addressed the issue of CMS instability, consequently diminishing the probability of overestimating the concentration of colistin. Therefore, this simple and robust LC-MS/MS method for CMS and colistin quantification in human plasma is a valuable tool for clinicians to accurately monitor colistin treatment in patients with infections caused by multidrug-resistant (MDR) Gram-negative bacteria.
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Affiliation(s)
- Kwang-Youl Kim
- Department of Clinical Pharmacology, Inha University Hospital, Inha University School of Medicine, Incheon, the Republic of Korea
| | - Bo-Hyung Kim
- Department of Clinical Pharmacology and Therapeutics, Kyung Hee University Hospital, Seoul, the Republic of Korea; East-West Medical Research Institute, Kyung Hee University, Seoul, the Republic of Korea
| | - Won Gun Kwack
- Department of Internal Medicine, Kyung Hee University Hospital, Seoul, the Republic of Korea
| | - Hyun-Jung Kwon
- Department of Clinical Pharmacology, Inha University Hospital, Inha University School of Medicine, Incheon, the Republic of Korea
| | - Sang-Heon Cho
- Department of Clinical Pharmacology, Inha University Hospital, Inha University School of Medicine, Incheon, the Republic of Korea
| | - Cheol-Woo Kim
- Department of Clinical Pharmacology, Inha University Hospital, Inha University School of Medicine, Incheon, the Republic of Korea; Department of Internal Medicine, Inha University Hospital, Inha University School of Medicine, Incheon, the Republic of Korea.
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18
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Guerra G, Segrado F, Pasanisi P, Bruno E, Lopez S, Raspagliesi F, Bianchi M, Venturelli E. Circulating choline and phosphocholine measurement by a hydrophilic interaction liquid chromatography-tandem mass spectrometry. Heliyon 2023; 9:e21921. [PMID: 38027764 PMCID: PMC10665723 DOI: 10.1016/j.heliyon.2023.e21921] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/31/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
Background Given the growing interest in studying the role of choline and phosphocholine in the development and progression of tumor pathology, in this study we describe the development and validation of a fast and robust method for the simultaneous analysis of choline and phosphocholine in human plasma. Methods Choline and phosphocholine quantification in human plasma was obtained using a hydrophilic interaction liquid chromatography-tandem mass spectrometry technique. Assay performance parameters were evaluated using EMA guidelines. Results Calibration curve ranged from 0.60 to 38.40 μmol/L (R2 = 0.999) and 0.08-5.43 μmol/L (R2 = 0.998) for choline and phosphocholine, respectively. The Limit Of Detection of the method was 0.06 μmol/L for choline and 0.04 μmol/L for phosphocholine. The coefficient of variation range for intra-assay precision is 2.2-4.1 % (choline) and 3.2-15 % (phosphocholine), and the inter-assay precision range is < 1-6.5 % (choline) and 6.2-20 % (phosphocholine). The accuracy of the method was below the ±20 % benchmarks at all the metabolites concentration levels. In-house plasma pool of apparently healthy adults was tested, and a mean concentration of 15.97 μmol/L for Choline and 0.34 μmol/L for Phosphocholine was quantified. Conclusions The developed method shows good reliability in quantifying Choline and Phosphocholine in human plasma for clinical purposes.
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Affiliation(s)
- Giulia Guerra
- Nutrition Research and Metabolomics Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Francesco Segrado
- Nutrition Research and Metabolomics Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Patrizia Pasanisi
- Nutrition Research and Metabolomics Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Eleonora Bruno
- Nutrition Research and Metabolomics Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Salvatore Lopez
- Unit of Oncological Gynecology, Department of Oncologycal Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Francesco Raspagliesi
- Unit of Oncological Gynecology, Department of Oncologycal Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Michela Bianchi
- Nutrition Research and Metabolomics Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Elisabetta Venturelli
- Nutrition Research and Metabolomics Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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Sierra-Sánchez Á, Magne B, Savard E, Martel C, Ferland K, Barbier MA, Demers A, Larouche D, Arias-Santiago S, Germain L. In vitro comparison of human plasma-based and self-assembled tissue-engineered skin substitutes: two different manufacturing processes for the treatment of deep and difficult to heal injuries. Burns Trauma 2023; 11:tkad043. [PMID: 37908563 PMCID: PMC10615253 DOI: 10.1093/burnst/tkad043] [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] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/13/2023] [Accepted: 07/21/2023] [Indexed: 11/02/2023]
Abstract
Background The aim of this in vitro study was to compare side-by-side two models of human bilayered tissue-engineered skin substitutes (hbTESSs) designed for the treatment of severely burned patients. These are the scaffold-free self-assembled skin substitute (SASS) and the human plasma-based skin substitute (HPSS). Methods Fibroblasts and keratinocytes from three humans were extracted from skin biopsies (N = 3) and cells from the same donor were used to produce both hbTESS models. For SASS manufacture, keratinocytes were seeded over three self-assembled dermal sheets comprising fibroblasts and the extracellular matrix they produced (n = 12), while for HPSS production, keratinocytes were cultured over hydrogels composed of fibroblasts embedded in either plasma as unique biomaterial (Fibrin), plasma combined with hyaluronic acid (Fibrin-HA) or plasma combined with collagen (Fibrin-Col) (n/biomaterial = 9). The production time was 46-55 days for SASSs and 32-39 days for HPSSs. Substitutes were characterized by histology, mechanical testing, PrestoBlue™-assay, immunofluorescence (Ki67, Keratin (K) 10, K15, K19, Loricrin, type IV collagen) and Western blot (type I and IV collagens). Results The SASSs were more resistant to tensile forces (p-value < 0.01) but less elastic (p-value < 0.001) compared to HPSSs. A higher number of proliferative Ki67+ cells were found in SASSs although their metabolic activity was lower. After epidermal differentiation, no significant difference was observed in the expression of K10, K15, K19 and Loricrin. Overall, the production of type I and type IV collagens and the adhesive strength of the dermal-epidermal junction was higher in SASSs. Conclusions This study demonstrates, for the first time, that both hbTESS models present similar in vitro biological characteristics. However, mechanical properties differ and future in vivo experiments will aim to compare their wound healing potential.
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Affiliation(s)
- Álvaro Sierra-Sánchez
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- Unidad de Producción Celular e Ingeniería Tisular (UPCIT), Virgen de las Nieves University Hospital, ibs. GRANADA, Andalusian Network for the design and translation of Advanced Therapies, Av. de las Fuerzas Armadas, Nº2, 4ª Planta Ed. de Gobierno, 18014, Granada, Spain
| | - Brice Magne
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Etienne Savard
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Christian Martel
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Karel Ferland
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Martin A Barbier
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Anabelle Demers
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Danielle Larouche
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
| | - Salvador Arias-Santiago
- Unidad de Producción Celular e Ingeniería Tisular (UPCIT), Virgen de las Nieves University Hospital, ibs. GRANADA, Andalusian Network for the design and translation of Advanced Therapies, Av. de las Fuerzas Armadas, Nº2, 4ª Planta Ed. de Gobierno, 18014, Granada, Spain
- Department of Dermatology, Virgen de las Nieves University Hospital, Av. Madrid, Nº11–15, 18012, Granada, Spain
- Department of Dermatology, Faculty of Medicine, University of Granada, Av. de la Investigación, Nº11, 18016, Granada, Spain
| | - Lucie Germain
- LOEX Tissue Engineering Laboratory and Department of Surgery, Faculty of Medicine, Université Laval, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
- CHU de Québec – Université Laval Research Center, Division of Regenerative Medicine, 1401 18e rue, Québec (Québec) G1J 1Z4, Canada
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20
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Wang T, Jin C, Jiang W, Zhao T, Xu Y, Li H. Determination of five mTOR inhibitors in human plasma for hepatocellular carcinoma treatment using QuEChERS-UHPLC-MS/MS. J Pharm Biomed Anal 2023; 235:115652. [PMID: 37633163 DOI: 10.1016/j.jpba.2023.115652] [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: 07/12/2023] [Revised: 08/14/2023] [Accepted: 08/14/2023] [Indexed: 08/28/2023]
Abstract
A fast and reliable QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) method for pre-processing combined with Ultra - high performance liquid chromatography - tandem mass spectrometry (UHPLC-MS/MS) was established for the analysis of five mammalian rapamycin target protein (mTOR) inhibitors (vistusertib, AZD8055, pictilisib, everolimus, temsirolimus)in human plasma. Extraction was achieved by addition of acetonitrile to the sample followed by anhydrous magnesium sulfate and 30 mg C18 for salting out and purification, respectively. MTOR inhibitors were detected using selective response monitoring (SRM) under positive ion electrospray mode. Vistusertib, AZD8055 and pictilisib showed good linearity with a range of 1-80 ng/ml, Additionally, the concentration of everolimus and temsirolimus was 2.5-200 ng/ml and10-800 ng/ml, respectively. The linear correlation coefficient (R2) of each analysis was ≥ 0.9950. The limit of detection (LOD) and Limit of Quantitation (LOQ) were 0.015-0.75 ng/ml and 1-10 ng/ml, respectively. This method showed a high accuracy with high recovery rate and excellent stability. This method is fast, accurate and reliable, suitable for quantitative detection of mTOR inhibitors in human plasma.
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Affiliation(s)
- Ting Wang
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, China
| | - Chengcheng Jin
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, China
| | - Wen Jiang
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, China
| | - Tingting Zhao
- College of Pharmacy, Hebei Medical University, Shijiazhuang 050000, China
| | - Yanmei Xu
- Hebei Institute of Drug and Medical Device Inspection, Shijiazhuang, China
| | - Hui Li
- Hebei Institute of Drug and Medical Device Inspection, Shijiazhuang, China.
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21
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Capolla S, Colombo F, De Maso L, Mauro P, Bertoncin P, Kähne T, Engler A, Núñez L, Spretz R, Larsen G, Dal Bo M, Toffoli G, Macor P. Surface antibody changes protein corona both in human and mouse serum but not final opsonization and elimination of targeted polymeric nanoparticles. J Nanobiotechnology 2023; 21:376. [PMID: 37838659 PMCID: PMC10576379 DOI: 10.1186/s12951-023-02134-4] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/28/2023] [Indexed: 10/16/2023] Open
Abstract
BACKGROUND Nanoparticles represent one of the most important innovations in the medical field. Among nanocarriers, polymeric nanoparticles (PNPs) attracted much attention due to their biodegradability, biocompatibility, and capacity to increase efficacy and safety of encapsulated drugs. Another important improvement in the use of nanoparticles as delivery systems is the conjugation of a targeting agent that enables the nanoparticles to accumulate in a specific tissue. Despite these advantages, the clinical translation of therapeutic approaches based on nanoparticles is prevented by their interactions with blood proteins. In fact, the so-formed protein corona (PC) drastically alters the biological identity of the particles. Adsorbed activated proteins of the complement cascade play a pivotal role in the clearance of nanoparticles, making them more easily recognized by macrophages, leading to their rapid elimination from the bloodstream and limiting their efficacy. Since the mouse is the most used preclinical model for human disease, this work compared human and mouse PC formed on untargeted PNPs (uPNPs) and targeted PNPs (tPNPs), paying particular attention to complement activation. RESULTS Mouse and human serum proteins adsorbed differently to PNPs. The differences in the binding of mouse complement proteins are minimal, whereas human complement components strongly distinguish the two particles. This is probably due to the human origin of the Fc portion of the antibody used as targeting agent on tPNPs. tPNPs and uPNPs mainly activate complement via the classical and alternative pathways, respectively, but this pattern did not affect their binding and internalization in macrophages and only a limited consumption of the activity of the human complement system was documented. CONCLUSIONS The results clearly indicate the presence of complement proteins on PNPs surface but partially derived from an unspecific deposition rather than an effective complement activation. The presence of a targeting antibody favors the activation of the classical pathway, but its absence allows an increased activation of the alternative pathway. This results in similar opsonization of both PNPs and similar phagocytosis by macrophages, without an impairment of the activity of circulating complement system and, consequently, not enhancing the susceptibility to infection.
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Affiliation(s)
- Sara Capolla
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico (CRO) di Aviano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Aviano, 33081, Italy
| | - Federico Colombo
- Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM), Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
- Department of Life Sciences, University of Trieste, via L. Giorgieri n. 5, Trieste, 34127, Italy
| | - Luca De Maso
- Department of Life Sciences, University of Trieste, via L. Giorgieri n. 5, Trieste, 34127, Italy
| | - Prisca Mauro
- Department of Life Sciences, University of Trieste, via L. Giorgieri n. 5, Trieste, 34127, Italy
| | - Paolo Bertoncin
- Department of Life Sciences, University of Trieste, via L. Giorgieri n. 5, Trieste, 34127, Italy
| | - Thilo Kähne
- Institute of Exptl. Internal Medicine, Medical Faculty, Otto von Guericke University, Magdeburg, 39120, Germany
| | - Alexander Engler
- Institute of Exptl. Internal Medicine, Medical Faculty, Otto von Guericke University, Magdeburg, 39120, Germany
| | - Luis Núñez
- BioTarget Inc, Chicago, IL, USA
- Natural Science Department, Concordia University, 7400 Augusta St, River Forest, IL, 60305, USA
- LNK Chemsolutions LLC, Lincoln, NE, USA
| | - Ruben Spretz
- BioTarget Inc, Chicago, IL, USA
- LNK Chemsolutions LLC, Lincoln, NE, USA
| | - Gustavo Larsen
- BioTarget Inc, Chicago, IL, USA
- LNK Chemsolutions LLC, Lincoln, NE, USA
- Department of Chemical and Biochemical Engineering, University of Nebraska Lincoln, Lincoln, NE, USA
| | - Michele Dal Bo
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico (CRO) di Aviano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Aviano, 33081, Italy
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, Centro di Riferimento Oncologico (CRO) di Aviano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Aviano, 33081, Italy
| | - Paolo Macor
- Department of Life Sciences, University of Trieste, via L. Giorgieri n. 5, Trieste, 34127, Italy.
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Afify KK, Ali R, El-Dosoky MA, Nassar MWI. HPLC/UV approach method for the first simultaneous estimation of molnupiravir and ertapenem as a binary mixture in human plasma and dosage form as a regimen for COVID-19 treatments. BMC Chem 2023; 17:121. [PMID: 37735684 PMCID: PMC10515236 DOI: 10.1186/s13065-023-01024-y] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 08/23/2023] [Indexed: 09/23/2023] Open
Abstract
COVID-19 is a serious virus that can have a lot of effects, one of which is a secondary bacterial infection that can be more life-threatening and even lethal than the initial viral infection. Hence a fast and sensitive HPLC/UV method was developed and validated for the first estimation of a binary mixture of molnupiravir (MOL) and ertapenem (ERT) as a co-administrated medicine for the management of COVID-19 in pharmaceutical dosage forms, and human plasma samples. The drug combination was separated within 5 min via RP-ODS column using isocratic elution with a mobile phase of 0.05 M phosphate buffer (pH 3.5): acetonitrile with a 76: 24% ratio v/v. The presented method provided a linear response ranging from 0.03 to 17.0 and 0.05-20 µg mL-1 with LOD values of 0.009 and 0.008 µg mL-1 for MOL and ERT respectively. The good separation and high sensitivity of the HPLC method provide the determination of the cited drugs in human plasma without matrix interference with a percent of recovery ranging from 94.97 ± 2.05 to 98.44 ± 1.92. Based on the results, this method could be utilized to monitor cited drugs in quality control and therapeutic laboratories.
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Affiliation(s)
- Khaled K Afify
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assuit branch, 71524, Assuit, Egypt.
| | - Ramadan Ali
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, 71491, Tabuk, Saudi Arabia
| | - Mohammad A El-Dosoky
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt
| | - Mohamed Wafaa I Nassar
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt
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23
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Tieu MV, Choi SH, Le HTN, Cho S. Electrochemical impedance-based biosensor for label-free determination of plasma P-tau181 levels for clinically accurate diagnosis of mild cognitive impairment and Alzheimer's disease. Anal Chim Acta 2023; 1273:341535. [PMID: 37423666 DOI: 10.1016/j.aca.2023.341535] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/08/2023] [Accepted: 06/15/2023] [Indexed: 07/11/2023]
Abstract
Plasma phosphorylated-tau threonine 181 (p-tau181) is a promising biomarker for predicting Alzheimer's disease (AD) and mild cognitive impairment (MCI), which is the symptomatic pre-dementia stage of AD. To date, there are limitations in the current diagnosis and classification of the two stages of MCI and AD in clinical practice remain a dilemma. In this study, we aimed to discriminate and diagnose patients with MCI, AD, and healthy participants based on the accurate, label-free, and ultrasensitive detection of p-tau181 levels in human clinical plasma samples using our developed electrochemical impedance-based biosensor, which allows to detect p-tau181 at a very low concentration of 0.92 fg mL-1. Human plasma samples were collected from 20 patients with AD, 20 patients with MCI, and 20 individuals with healthy control. The change in charge-transfer resistance of the developed impedance-based biosensor caused by capturing p-tau181 in plasma samples was recorded to evaluate the determination of plasma p-tau181 levels in human clinical samples for discrimination and diagnosis of AD, MCI, and healthy control individuals, respectively. Receiver operating characteristic (ROC) curve, a standard analysis to judge the clinically diagnostic capability of our biosensor platform based on the estimated levels of plasma p-tau181, resulted a sensitivity of 95%, a specificity of 85%, the area under the ROC curve (AUC) value of 0.94 of the accuracy for discriminating AD patients from healthy controls; a sensitivity of 70%, a specificity of 70%, the AUC of 0.75 to discriminate MCI patients from healthy controls. Statistical analysis (one-way analysis of variance (ANOVA)) was used to compare the estimated plasma p-tau181 levels in clinical samples, indicated significantly higher for AD patients with healthy controls (***p ≤ 0.001), AD with MCI patients (***p ≤ 0.001), and MCI patients with healthy controls (*p ≤ 0.05), respectively. In addition, we compared our sensor to the global cognitive function scales and discovered that it performed noticeably improvement in diagnosing the stages of AD. These results demonstrated the good application of our developed electrochemical impedance-based biosensor in the identification of clinical disease stages. Moreover, in this study, a small dissociation constant (KD) of 0.533 pM was first determined to evaluate the high binding affinity between the p-tau181 biomarker and its antibody, providing a reference parameter for future studies of the p-tau181 biomarker and AD.
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Affiliation(s)
- My-Van Tieu
- Department of Electronic Engineering, Gachon University, Seongnam-si, 13120, South Korea
| | - Seong Hye Choi
- Department of Neurology, College of Medicine, Inha University, Incheon, 22332, South Korea
| | - Hien T Ngoc Le
- Department of Electronic Engineering, Gachon University, Seongnam-si, 13120, South Korea.
| | - Sungbo Cho
- Department of Electronic Engineering, Gachon University, Seongnam-si, 13120, South Korea; Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, South Korea.
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Liudvytska O, Bandyszewska M, Skirecki T, Krzyżanowska-Kowalczyk J, Kowalczyk M, Kolodziejczyk-Czepas J. Anti-inflammatory and antioxidant actions of extracts from Rheum rhaponticum and Rheum rhabarbarum in human blood plasma and cells in vitro. Biomed Pharmacother 2023; 165:115111. [PMID: 37421780 DOI: 10.1016/j.biopha.2023.115111] [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: 05/06/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/10/2023] Open
Abstract
Rheum rhaponticum L. (rhapontic rhubarb) and Rheum rhabarbarum L. (garden rhubarb) are edible and medicinal rhubarb species used for many centuries in traditional medicine. This work is focused on the biological activity of extracts from petioles and roots of R. rhaponticum and R. rhabarbarum as well as rhapontigenin and rhaponticin, typical stilbenes present in these rhubarbs, in a context of their effects on blood physiology and cardiovascular health. Anti-inflammatory properties of the examined substances were evaluated in human peripheral blood mononuclear cells (PBMCs) and THP1-ASC-GFP inflammasome reporter cells. Due to the coexistence of inflammation and oxidative stress in cardiovascular diseases, the study design included also antioxidant assays. This part of the work involved the assessment of the protective efficiency of the examined substances against the peroxynitrite-triggered damage to human blood plasma components, including fibrinogen, a protein of critical importance for blood clotting and maintaining the haemostatic balance. Pre-incubation of PBMCs with the examined substances (1-50 μg/mL) considerably decreased the synthesis of prostaglandin E2 as well as the release of pro-inflammatory cytokines (IL-2 and TNF-α) and metalloproteinase-9. A reduced level of secreted apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) specks in the THP-1-ASC-GFP cells was also observed. The examined substances significantly diminished the extent of ONOO‾induced oxidative modifications of blood plasma proteins and lipids and normalized, or even strengthened blood plasma antioxidant capacity. Furthermore, a reduction of oxidative damage to fibrinogen, including modifications of tyrosine and tryptophan residues along with the formation of protein aggregates was found.
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Affiliation(s)
- Oleksandra Liudvytska
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland.
| | - Magdalena Bandyszewska
- Department of Translational Immunology and Experimental Intensive Care, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland.
| | - Tomasz Skirecki
- Department of Translational Immunology and Experimental Intensive Care, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland.
| | - Justyna Krzyżanowska-Kowalczyk
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland.
| | - Mariusz Kowalczyk
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland.
| | - Joanna Kolodziejczyk-Czepas
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland.
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Salman BI. A Novel Design Eco-friendly Microwave-assisted Cu-N@CQDs Sensor for the Quantification of Eravacycline via Spectrofluorimetric Method; Application to Greenness Assessments, Dosage Form and Biological Samples. J Fluoresc 2023; 33:1887-1896. [PMID: 36867288 PMCID: PMC10539432 DOI: 10.1007/s10895-023-03190-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 02/16/2023] [Indexed: 03/04/2023]
Abstract
Community-acquired pneumonia is one of the most common infectious diseases and a substantial cause of mortality and morbidity worldwide. Therefore eravacycline (ERV) was approved by the FDA in 2018 for the treatment of acute bacterial skin infections, GIT infections, and community-acquired bacterial pneumonia caused by susceptible bacteria. Hence, a green highly sensitive, cost-effective, fast, and selective fluorimetric approach was developed for the estimation of ERV in milk, dosage form, content uniformity, and human plasma. The selective method is based on the utilization of plum juice and copper sulphate for the synthesis of green copper and nitrogen carbon dots (Cu-N@CDs) with high quantum yield. The quantum dots' fluorescence was enhanced after the addition of ERV. The calibration range was found to be in the range 1.0 - 80.0 ng mL-1 with LOQ equal to 0.14 ng mL-1 and LOD was found to be 0.05 ng mL-1. The creative method is simple to deploy in clinical labs and therapeutic drug health monitoring system. The current approach has been bioanalytically validated using US-FDA and validated ICH criteria. High-resolution transmission electron microscopy (HR-TEM), X-ray photon spectroscopy (XPS), Zeta potential measurements, fluorescence, UV-VIS, and FTIR spectroscopy have all been used to fully characterize the Cu-N@CQDs. The Cu-N@CQDs were effectively applied in human plasma and milk samples with a high percentage of recovery ranging from 97.00 to 98.80%.
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Affiliation(s)
- Baher I Salman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt.
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Ji T, Li Z, Liu Z, Chen Z. Facile and efficient preparation of amino bearing metal-organic frameworks-coated cotton fibers for solid-phase extraction of non-steroidal anti-inflammatory drugs in human plasma. J Chromatogr A 2023; 1705:464226. [PMID: 37487300 DOI: 10.1016/j.chroma.2023.464226] [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: 06/06/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 07/26/2023]
Abstract
The determination of blood concentration of non-steroidal anti-inflammatory drugs (NSAIDs) is highly desired in clinical practice. In this work, three amino bearing metal-organic frameworks (amino-MOFs) coated cotton fibers were prepared using a facile cysteine-triggered in situ growth strategy and proposed as in-tip solid-phase microextraction (in-SPME) adsorbents for efficient extraction of non-steroidal anti-inflammatory drugs from human plasma. The self-made adsorbents exhibited satisfactory extraction performance toward three NSAIDs including diclofenac sodium, ketoprofen and flurbiprofen. Under the optimized conditions, the established method exhibited satisfactory enrichment performance, low limits of detection and excellent extraction efficiency. Good reproducibility, wide linear range, excellent linearity and satisfactory sensitivity were obtained in the experiment. The method was also used for the enrichment and determination of NSAIDs in human plasma samples. Good recoveries were obtained, ranging from 66.5% to 98.9% with relative standard deviations less than 6.62%. The good performance of amino-MOFs was due to the synergistic effects arising from grafted charged amino groups within ordered pores of suitable size, leading to strong affinity towards guest molecules. Electrostatic interaction, hydrogen bond and π-π interaction played a vital role in the extraction of NSAIDs. This report indicated the potential of amino-MOFs as efficient adsorbents for the determination of NSAIDs from human plasma.
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Affiliation(s)
- Tao Ji
- Department of Orthopedics Trauma and Microsurgery, School of Pharmaceutical Sciences, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan 430072, China; Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan 430071, China
| | - Zhentao Li
- Department of Orthopedics Trauma and Microsurgery, School of Pharmaceutical Sciences, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan 430072, China; Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan 430071, China
| | - Zichun Liu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan 430071, China
| | - Zilin Chen
- Department of Orthopedics Trauma and Microsurgery, School of Pharmaceutical Sciences, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan 430072, China; Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan 430071, China.
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Nour IM, Mohamed AR, Hasan MA, Badrawy M. Eco-friendly-assessed micellar-fluorimetric platform for concurrent analysis of empagliflozin and prucalopride succinate in biological fluids: Docking simulation. Spectrochim Acta A Mol Biomol Spectrosc 2023; 296:122715. [PMID: 37031481 DOI: 10.1016/j.saa.2023.122715] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 02/22/2023] [Revised: 03/16/2023] [Accepted: 04/03/2023] [Indexed: 06/19/2023]
Abstract
Fluorescence spectroscopy has an important role in the determination of very small quantities of substances, especially in biological fluids. For this reason, most analysts have adopted the use of this technique in their biological studies and research, which helps them in the determination of any substance found in trace amounts. In addition to the high sensitivity of the fluorimetric technique, it has the advantages of simplicity and being green for the environment. All these reasons encourage the use of fluorimetric spectroscopy for quantifying co-administered therapy in biological fluids, which is considered a crucial step for patients, particularly in emergent cases requiring monitoring of administered therapeutic drugs. In this work, a sensitive, simple, economic, and environmentally friendly fluorimetric analytical technique was developed for the simultaneous determination of prucalopride succinate (a novel anti-constipation agent) and empagliflozin (an anti-diabetic agent) in pharmaceutical forms and spiked plasma depending on third-derivative signal processing at 333 and 314 nm, respectively. Conventional fluorescence spectra of both drugs showed a large overlap that hindered their simultaneous determination. So, third-order derivative fluorescence was adopted to overcome this overlap. The third-derivative corresponding to each spectrum was recorded using data points = 17 and a scaling factor of 10. The greenness of the proposed method was evaluated using an eco-scale scoring system, revealing excellent greenness. Analytical method parameters were validated following ICH guidelines. The method showed high sensitivity, covering a concentration range of 50-1100 ng/mL and 4-500 ng/mL for empagliflozin and prucalopride, respectively, allowing the pharmacokinetic study of both drugs in biological fluids. The LOD values were 14.09 and 0.91 ng/mL, while the LOQ values were 42.72 and 2.77 ng/mL for empagliflozin and prucalopride, respectively.
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Affiliation(s)
- Israa M Nour
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr 11829, Egypt
| | - Ahmed R Mohamed
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr 11829, Egypt.
| | - Mohamed A Hasan
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo 11751, Egypt
| | - Mohamed Badrawy
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr 11829, Egypt
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Yin F, Adhikari D, Peay M, Cortes D, Garada M, Shane Woolf M, Ma E, Lebarbenchon D, Mylott W, Dyszel M, Harriman S, Pinkas J. Development and validation of a hybrid immunoaffinity LC-MS/MS assay for quantitation of total antibody (TAb) from an antibody drug conjugate (ADC) PYX-201 in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1228:123844. [PMID: 37579604 DOI: 10.1016/j.jchromb.2023.123844] [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: 06/25/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/16/2023]
Abstract
A hybrid immunoaffinity LC-MS/MS assay was developed and validated for the quantitation of total antibody (TAb) from an antibody drug conjugate (ADC) PYX-201 in human plasma. PYX-201 was proteolyzed using trypsin, and a characteristic peptide fragment PYX-201 P1 with ten amino acids IPPTFGQGTK from the complementarity-determining regions (CDRs) was used as a surrogate for the quantitation of the TAb from PYX-201. Stable isotope labelled (SIL) peptide I(13C6, 15N)PPTFG(13C9, 15N)QGTK was used as the internal standard (IS). We performed chromatographic analysis using a Waters Acquity BEH Phenyl column (2.1 mm × 50 mm, 1.7 µm). Quantification of PYX-201 TAb was carried out on a Sciex triple quadrupole mass spectrometer API 6500 using multiple reaction monitoring (MRM) mode with positive electrospray ionization. To validate PYX-201 TAb, a concentration range of 0.0500 µg/mL to 20.0 µg/mL was used, yielding a correlation coefficient (r) of ≥ 0.9947. For intra-assay measurements, the percent relative error (%RE) ranged from -23.2% to 1.0%, with a coefficient of variation (%CV) of ≤ 14.2%. In terms of inter-assay measurements, the %RE was between -10.5% and -5.7%, with a %CV of ≤ 12.7%. The average recovery of the analyte was determined to be 81.4%, while the average recovery of the internal standard (IS) was 97.2%. Furthermore, PYX-201 TAb demonstrated stability in human plasma and human whole blood under various tested conditions. This assay has been successfully applied to human sample analysis to support a clinical study.
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Affiliation(s)
- Feng Yin
- Department of Nonclinical Research, Pyxis Oncology, Inc, 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Diana Adhikari
- Department of Nonclinical Research, Pyxis Oncology, Inc, 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Marlking Peay
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Diego Cortes
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Mohammed Garada
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - M Shane Woolf
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Eric Ma
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Diane Lebarbenchon
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - William Mylott
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Mike Dyszel
- Department of Project Management, Pyxis Oncology, Inc, 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Shawn Harriman
- Department of Nonclinical Research, Pyxis Oncology, Inc, 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA.
| | - Jan Pinkas
- Department of Nonclinical Research, Pyxis Oncology, Inc, 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA.
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29
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Phogole CM, Hastie R, Kellermann T. A simple and sensitive LC-MS/MS method for the quantitation of sertraline and N-desmethylsertraline in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1228:123827. [PMID: 37490838 DOI: 10.1016/j.jchromb.2023.123827] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/27/2023]
Abstract
A simple and sensitive LC-MS/MS method for the simultaneous quantification of the second-generation antidepressant sertraline, and its active metabolite, N-desmethylsertraline, in human plasma was developed and validated. The analytes were extracted from 200 µL human plasma using a simple protein precipitation method. A gradient elution mode of water and 0.1% formic acid and acetonitrile was used for chromatographic separation on a Poroshell EC-C18 column (3 × 100 mm, 2.7 µm) at a flow rate of 0.450 mL/min. MS/MS analysis was performed in positive ionization mode using the transitions of m/z 306.1 → 159.1, 309.1 → 275.2, 292.1 → 159.1, and 296.2 → 279.0 for sertraline, sertraline-d3, N-desmethylsertraline, and N-desmethylsertraline-d4, respectively. The calibration curves for sertraline and N-desmethylsertraline in human plasma ranged from 2.50-320 ng/mL and 10.0-1280 ng/mL, respectively, with correlation coefficients (r) of ≥ 0.9992. The intra- and inter-assay precisions for both analytes at four concentrations (LLOQ, QCL, QCM, and QCH) ranged between 2.2% and 12.2%, respectively, while their accuracies ranged between 92.0 and 111.7%, with the exception of LLOQ, which ranged between 84.3 and 106.0%. The mean percentage recovery and process efficiency at three concentrations (QCL, QCM, and QCH) was 94.2 and 87.9% for sertraline, and 95.7 and 95.2% for N-desmethylsertraline, respectively. Both analytes were stable in plasma at room temperature for 2 h, at -80 °C for 28 days and through three freeze/thaw cycles. This method was successfully applied to a clinical study investigating the use of sertraline during pregnancy.
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Affiliation(s)
- Cassius M Phogole
- Division of Clinical Pharmacology, Department of Medicine and Health Sciences, Stellenbosch University, South Africa
| | - Roxanne Hastie
- Department of Obstetrics and Gynaecology, University of Melbourne, Heidelberg, Australia
| | - Tracy Kellermann
- Division of Clinical Pharmacology, Department of Medicine and Health Sciences, Stellenbosch University, South Africa.
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30
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Piechocka J, Głowacki R. One-pot sample preparation procedure for the determination of protein N-linked homocysteine by HPLC-FLD based method. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1228:123835. [PMID: 37478723 DOI: 10.1016/j.jchromb.2023.123835] [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: 06/01/2023] [Revised: 07/13/2023] [Accepted: 07/15/2023] [Indexed: 07/23/2023]
Abstract
The report presents robust and high throughput method, based on liquid chromatography coupled with fluorescence detection (HPLC-FLD), for the determination of total protein N-linked homocysteine (Hcy) in human plasma. The assay involves simultaneous proteins precipitation with perchloric acid and removal of any other form of Hcy, except protein N-linked Hcy, via disulfides reduction with tris(2-carboxyethyl)phosphine (TCEP) and plasma protein pellet wash with perchloric acid followed by liberation of N-linked Hcy from proteins by hydrochloric acid hydrolysis, drying under vacuum and residue reconstitution in diluted hydrochloric acid. The chromatographic separation of resulting in this way Hcy-thiolactone (HTL) is achieved within 3 min at room temperature on PolymerX RP-1 (150 × 4.6 mm, 5.0 µm) column using isocratic elution with eluent, consisted of o-phthaldialdehyde (OPA) in sodium hydroxide and acetonitrile (ACN), delivered at a flow rate 1 mL/min. The analyte is quantified by monitoring fluorescence at 480 nm using excitation at 370 nm, in a linear range from 0.25 to 10 µmol/L in plasma, while the limit of quantification (LOQ) equals 0.25 µmol/L. The method was successfully applied to plasma samples delivered by fifteen apparently healthy donors showing that the HPLC-FLD assay is suitable for screening of human plasma.
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Affiliation(s)
- Justyna Piechocka
- University of Lodz, Faculty of Chemistry, Department of Environmental Chemistry, 163/165 Pomorska Str., 90-236 Łódź, Poland.
| | - Rafał Głowacki
- University of Lodz, Faculty of Chemistry, Department of Environmental Chemistry, 163/165 Pomorska Str., 90-236 Łódź, Poland
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31
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M F Coêlho AC, Cioni L, Van Dreunen W, Berg V, Rylander C, Urbarova I, Herzke D, Sandanger TM. Legacy perfluoroalkyl acids and their oxidizable precursors in plasma samples of Norwegian women. Environ Int 2023; 178:108026. [PMID: 37356307 DOI: 10.1016/j.envint.2023.108026] [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: 01/05/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/27/2023]
Abstract
Humans are exposed to perfluoroalkyl acids (PFAA) mainly through direct pathways, such as diet and drinking water, but indirect exposure also occurs when PFAA precursors break down to form legacy PFAA. Exposure to PFAA precursors raises particular concern, as neither the exposure nor the precursors themselves have been well described. In the present study, we aimed to assess the indirect contribution of oxidizable PFAA precursors to the total per- and polyfluoroalkyl substances (PFAS) burden in human plasma following the voluntary phase-out of production of long-chain PFAS. In addition, multiple logistic regression was used to explore associations between selected lifestyle and dietary factors and the oxidizable PFAA precursors fraction. This study included 302 cancer-free participants of the Norwegian Women and Cancer postgenome cohort. PFAS analyses were performed in plasma samples to determine PFAS concentrations before and after oxidation with the Total Oxidizable Precursor (TOP) assay. In pre-TOP analyses, perfluorooctane sulfonic acid (PFOS) was the dominant compound, followed by perfluorooctanoic acid (PFOA).The vast majority (98%) of the study population had increased post-TOP concentrations for at least one PFAA. The formation of PFAA accounted for 12% of the total PFAS burden, with seven PFAA observed post-TOP in at least 30% of study participants. PFHpA, br- PFOA, and PFDA were only detected in post-TOP analyses and showed the highest increase in concentrations. Of the PFAA with increased concentrations, we noted significant associations for year of birth, parity, BMI, and some dietary factors, although they were not consistent between the different PFAA. These results indicate that while the TOP assay might not provide a complete assessment of total PFAS burden in humans, it offers comprehensive assessment of unknown PFAA precursors that might be present in plasma, and it could therefore be implemented as an auxiliary tool in this regard.
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Affiliation(s)
- Ana Carolina M F Coêlho
- Department of Community Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway.
| | - Lara Cioni
- Department of Community Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway; Norwegian Institute for Air Research, Fram Centre, Tromsø, Norway
| | - Wendy Van Dreunen
- Department of Community Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
| | - Vivian Berg
- Department of Medical Biology, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway; Department of Laboratory Medicine, Division of Diagnostic Services, University Hospital of North-Norway, Tromsø, Norway
| | - Charlotta Rylander
- Department of Community Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
| | - Ilona Urbarova
- Department of Community Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
| | - Dorte Herzke
- Norwegian Institute for Air Research, Fram Centre, Tromsø, Norway; Department for Arctic and Marine Biology, UiT - The Arctic University of Norway, Tromsø, Norway
| | - Torkjel M Sandanger
- Department of Community Medicine, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway; Norwegian Institute for Air Research, Fram Centre, Tromsø, Norway
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32
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Salman BI. Green microwave quantum dots as luminescent probes for quantifying prucalopride: consistency of content and application to pharmacokinetic studies. BMC Chem 2023; 17:83. [PMID: 37468925 DOI: 10.1186/s13065-023-01002-4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 07/06/2023] [Indexed: 07/21/2023] Open
Abstract
Prucalopride (PCP) is a medication used for the management of constipation via regulating bowel motions. PCP is widely used all over the world. So, novel, rapid, and highly sensitive carbon dots N-CQDs were obtained from Eruca Sativa juice via microwave approach in 4 min. The luminescence power of N-CQDs was declined by the increasing prucalopride concentration at emission 518 nm with linearity ranged from 3.00 to 200.00 ng mL-1. The luminescent antecedent was utilized for the test of PCP in human plasma with the rate of recovery extending from 95.06 to 98.40%. The new technique is an eco-friendly analytical method that can be easily applied in clinical laboratories. This assay is also simple, sensitive, and applied to therapeutic laboratories and subsequent pharmacokinetic studies in several clinical laboratories. Furthermore, the N-CQDs nano-sensor was able to distinguish the target drug from interferents commonly found in human plasma, indicating its high specificity and selectivity for PCP detection.
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Affiliation(s)
- Baher I Salman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt.
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33
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Hildebrand F, Schoeny H, Rampler E, Koellensperger G. Scrutinizing different ionization responses of polar lipids in a reversed-phase gradient by implementing a counter-gradient. Anal Chim Acta 2023; 1265:341274. [PMID: 37230568 DOI: 10.1016/j.aca.2023.341274] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/30/2023] [Accepted: 04/23/2023] [Indexed: 05/27/2023]
Abstract
Lipidomics studies strive for a comprehensive identification and quantification of lipids. While reversed phase (RP) liquid chromatography (LC) coupled to high resolution mass spectrometry (MS) offers unrivalled selectivity and thus is the preferred method for lipid identification, accurate lipid quantification remains challenging. The widely adopted one-point lipid class specific quantification (one internal standard per lipid class) suffers from the fact that ionization of internal standard and target lipid occurs under different solvent composition as a consequence of chromatographic separation. To address this issue, we established a dual flow injection and chromatography setup that allows to control solvent conditions during ionization enabling isocratic ionization while running a RP gradient through the use of a counter-gradient. Using this dual LC pump platform, we investigated the impact of solvent conditions within a RP gradient on ionization response and arising quantification biases. Our results confirmed that changing solvent composition significantly influences ionization response. Quantification of human plasma (SRM 1950) lipids under gradient and isocratic ionization conditions further confirmed these findings as significant differences between the two conditions were found for the majority of lipids. While the quantity of sphingomyelins with >40 C atoms was consistently overestimated under gradient ionization, isocratic ionization improved their recovery compared to consensus values. However, the limitation of consensus values was demonstrated as overall only small changes in z-score were observed because of high uncertainties of the consensus values. Furthermore, we observed a trueness bias between gradient and isocratic ionization when quantifying a panel of lipid species standards which is highly dependent on lipid class and ionization mode. Uncertainty calculations under consideration of the trueness bias as RP gradient uncertainty revealed that especially ceramides with >40 C atoms had a high bias leading to total combined uncertainties of up to 54%. The assumption of isocratic ionization significantly decreases total measurement uncertainty and highlights the importance of studying the trueness bias introduced by a RP gradient to reduce quantification uncertainty.
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Affiliation(s)
- Felina Hildebrand
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 38, 1090, Vienna, Austria; Vienna Doctoral School in Chemistry (DoSChem), University of Vienna, Vienna, Austria
| | - Harald Schoeny
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 38, 1090, Vienna, Austria
| | - Evelyn Rampler
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 38, 1090, Vienna, Austria
| | - Gunda Koellensperger
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 38, 1090, Vienna, Austria; Vienna Metabolomics Center (VIME), University of Vienna, Althanstr. 14, 1090, Vienna, Austria.
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Yin F, Adhikari D, Li Y, Turner D, Shane Woolf M, Lebarbenchon D, Ma E, Mylott W, Shaheen E, Harriman S, Pinkas J. A sensitive and rapid LC-MS/MS assay for quantitation of free payload Aur0101 from antibody drug conjugate (ADC) PYX-201 in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1226:123786. [PMID: 37352642 DOI: 10.1016/j.jchromb.2023.123786] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/25/2023]
Abstract
PYX-201 is an investigational antibody drug conjugate (ADC) with an engineered, fully human IgG1 antibody, a cleavable chemical linker, and a toxin (Aur0101) with an average drug-antibody ratio (DAR) of ∼ 4. A sensitive and rapid liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and fully validated to determine the presence in human plasma, of free payload Aur0101 from PYX-201 to assess drug safety and efficacy. Aur0101 and its deuterated internal standard (IS), Aur0101_d8, were extracted from 25 µL of human plasma using a solid liquid extraction (SLE) method. Chromatographic analysis was carried out on a Waters Acquity UPLC BEH C18 (2.1 mm × 50 mm, 1.7 µm, 130 A) column. Quantitation of free Aur0101 was conducted on a Sciex triple quadrupole mass spectrometer API 6500 + using multiple reaction monitoring (MRM) mode via positive electrospray ionization. The calibration curve was linear over the concentration range of 25.0 to 12,500 pg/mL with correlation coefficient, r2 ≥ 0.9988. The intra-assay %RE was between -4.3% to 14.3% with % CV was ≤ 6.2%. The inter-assay %RE was between -0.2% to 9.5% with % CV was ≤ 6.1%. The average analyte recovery was 89.7% and the average IS recovery was 88.7%. Aur0101 was found to be stable in human plasma and human whole blood under various tested conditions with and without the presence of PYX-201. To our knowledge, this is the first published fully validated assay for free, unconjugated Aur0101 in any matrix, from any species. This assay has been successfully applied to clinical sample analysis to support clinical studies.
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Affiliation(s)
- Feng Yin
- Department of Nonclinical Research, Pyxis Oncology, Inc., 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Diana Adhikari
- Department of Nonclinical Research, Pyxis Oncology, Inc., 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Yan Li
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Devan Turner
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - M Shane Woolf
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Diane Lebarbenchon
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Eric Ma
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - William Mylott
- Chromatographic Services - Research & Development, Biologics by LC-MS/MS, PPD Laboratory Services (a part of ThermoFisher Scientific), 8700 Quioccasin Road, Henrico, VA 23229, USA
| | - Elizabeth Shaheen
- Department of Project Management, Pyxis Oncology, Inc., 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Shawn Harriman
- Department of Nonclinical Research, Pyxis Oncology, Inc., 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA
| | - Jan Pinkas
- Department of Nonclinical Research, Pyxis Oncology, Inc., 321 Harrison Avenue, Suite 1, Boston, MA 02118, USA.
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35
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Duraisamy M, Elancheziyan M, Eswaran M, Ganesan S, Ansari AA, Rajamanickam G, Lee SL, Tsai PC, Chen YH, Ponnusamy VK. Novel ruthenium-doped vanadium carbide/polymeric nanohybrid sensor for acetaminophen drug detection in human blood. Int J Biol Macromol 2023:125329. [PMID: 37307970 DOI: 10.1016/j.ijbiomac.2023.125329] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/14/2023]
Abstract
The use of advanced electroactive catalysts enhances the performance of electrochemical biosensors in real-time biomonitoring and has received much attention owing to its excellent physicochemical and electrochemical possessions. In this work, a novel biosensor was developed based on the electrocatalytic activity of functionalized vanadium carbide (VC) material, including VC@ruthenium (Ru), VC@Ru-polyaniline nanoparticles (VC@Ru-PANI-NPs) as non-enzymatic nanocarriers for the fabrication of modified screen-printed electrode (SPE) to detect acetaminophen in human blood. As-prepared materials were characterized using SEM, TEM, XRD, and XPS techniques. Biosensing was carried out using cyclic voltammetry and differential pulse voltammetry techniques and has revealed imperative electrocatalytic activity. A quasi-reversible redox method of the over-potential of acetaminophen increased considerably compared with that at the modified electrode and the bare SPE. The excellent electrocatalytic behaviour of VC@Ru-PANI-NPs/SPE is attributed to its distinctive chemical and physical properties, including rapid electron transfer, striking ᴫ-ᴫ interface, and strong adsorptive capability. This electrochemical biosensor exhibits a detection limit of 0.024 μM, in a linear range of 0.1-382.72 μM with a reproducibility of 2.45 % relative standard deviation, and a good recovery from 96.69 % to 105.59 %, the acquired results ensure a better performance compared with previous reports. The enriched electrocatalytic activity of this developed biosensor is mainly credited to its high surface area, better electrical conductivity, synergistic effect, and abundant electroactive active sites. The real-world utility of the VC@Ru-PANI-NPs/SPE-based sensor was ensured via the investigation of biomonitoring of acetaminophen in human blood samples with satisfactory recoveries.
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Affiliation(s)
- Murugesan Duraisamy
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City 807, Taiwan; School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia; SSN Research Centre, SSN College of Engineering, Kalavakkam, Chennai 603110, India
| | - Mari Elancheziyan
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City 807, Taiwan
| | - Muthusankar Eswaran
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City 807, Taiwan; Division of Systems and Synthetic Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
| | - Sivarasan Ganesan
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City 807, Taiwan
| | - Anees A Ansari
- College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | | | - Siew Ling Lee
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia; Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia.
| | - Pei-Chien Tsai
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University (KMU), Kaohsiung City 807, Taiwan; Department of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 602105, India
| | - Yi-Hsun Chen
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Vinoth Kumar Ponnusamy
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City 807, Taiwan; Department of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 602105, India; Department of Medical Research, Kaohsiung Medical University Hospital (KMUH), Kaohsiung City 807, Taiwan; Department of Chemistry, National Sun Yat-sen University (NSYSU), Kaohsiung City 804, Taiwan.
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Kamal AH, Hammad SF, Kamel DN. Coupling of synchronous fluorescence spectroscopy with derivative amplitude outcomes for simultaneous determination of metoprolol succinate and olmesartan medoxomil in combined pharmaceutical preparation: Application in spiked human plasma. Spectrochim Acta A Mol Biomol Spectrosc 2023; 294:122549. [PMID: 36863080 DOI: 10.1016/j.saa.2023.122549] [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: 12/02/2022] [Revised: 02/18/2023] [Accepted: 02/21/2023] [Indexed: 06/19/2023]
Abstract
For the first time a spectrofluorimetric method had been achieved for the concurrent analysis of metoprolol succinate (MET) and olmesartan medoxomil (OLM). The approach depended on assessing the first order derivative (1D) of the synchronous fluorescence intensity of the two drugs in aqueous solution at Δλ of 100 nm. The amplitudes of 1D at 300 nm and 347 nm were measured for MET and OLM, respectively. The linearity ranges were 100-1000 ng/mL and 100-5000 ng/mL for OLM and MET, respectively. This approach is uncomplicated, repetitive, quick, and affordable. The results of analysis had been statistically verified. The validation assessments were carried out following the recommendations of The International Council for Harmonization (ICH). This technique could be employed to assess marketed formulation. The method was sensitive with limits of detection (LOD) of 32 ng/ml and 14 ng/mL for MET and OLM, respectively. Limits of quantitation (LOQ) were 99 ng/ml for MET and 44 ng/mL for OLM. So it can be applied to determine both drugs in spiked human plasma within the linearity ranges of 100-1000 ng/mL for OLM and 100-1500 ng/mL for MET.
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Affiliation(s)
- Amira H Kamal
- Faculty of Pharmacy, Medical Campus of Tanta University, Elgeish Street, Tanta 31111, Egypt.
| | - Sherin F Hammad
- Faculty of Pharmacy, Medical Campus of Tanta University, Elgeish Street, Tanta 31111, Egypt
| | - Doaa N Kamel
- Faculty of Pharmacy, Medical Campus of Tanta University, Elgeish Street, Tanta 31111, Egypt
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Lu H, Guo T, Huang S, Li Y, Wen Y, Shang D, Wen X. Development and validation of an LC-MS/MS method by one-step precipitation for cinacalcet in human plasma. Heliyon 2023; 9:e17230. [PMID: 37360102 PMCID: PMC10285229 DOI: 10.1016/j.heliyon.2023.e17230] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/06/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023] Open
Abstract
A sensitive, convenient, rapid and economic liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed to determine cinacalcet concentration in human plasma. A stable isotope cinacalcet (cinacalcet-D3) was selected as internal standard and the analytes were extracted from plasma samples by a one-step precipitation procedure. Chromatography separation was conducted on an Eclipse Plus C18 column by gradient elution with mobile phase of methanol-water-ammonium formate system at a constant flow rate of 0.6 mL/min. Mass spectrometric detection was conducted by multiple reaction monitoring using positive electrospray ionization. Cinacalcet concentrations in human plasma were determined over the concentration range of 0.1-50 ng/mL. The accuracies of lower limit of quantification (LLOQ) and quality control samples were all within the range of 85-115%, and the inter- and intra-batch precisions (CV%) were all within 15%. The average extraction recovery rates were 95.67-102.88%, and the quantification was not interfered by the matrix components. The validated method was successfully applied to determined cinacalcet concentrations in human plasma from secondary hyperparathyroidism patients.
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Affiliation(s)
- Haoyang Lu
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, No.36, Mingxin Road, Guangzhou 510370, China
| | - Tingting Guo
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Guangzhou 501280, China
| | - Shanqing Huang
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, No.36, Mingxin Road, Guangzhou 510370, China
| | - Yuandan Li
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, No.36, Mingxin Road, Guangzhou 510370, China
| | - Yuguan Wen
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, No.36, Mingxin Road, Guangzhou 510370, China
| | - Dewei Shang
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, No.36, Mingxin Road, Guangzhou 510370, China
| | - Xin Wen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Guangzhou 501280, China
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Derayea SM, Amir S Zaafan A, Nagi DA, Oraby M. Augmentation of Brexpiprazole fluorescence through photoinduced electron transfer inhibition for the sensitive spectrofluorimetric assay of pharmaceutical dosage forms and spiked human plasma: Application to content uniformity testing. Spectrochim Acta A Mol Biomol Spectrosc 2023; 301:122948. [PMID: 37285746 DOI: 10.1016/j.saa.2023.122948] [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] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 06/09/2023]
Abstract
Brexpiprazole (BRX) is a new antipsychotic drug that recently was used in the treatment of schizophrenia and other psychosis. The presence of benzothiophene ring in its chemical structure makes BRX naturally fluoresces. However, the native fluorescence of the drug was low in neutral or alkaline medium owing to the occurrence of photoinduced electron transfer (PET) from the nitrogen of the piperazine ring to the benzothiophene ring. Protonation of this nitrogen atom using sulfuric acid could efficiently block PET process and thus retaining the strong fluorescence of the compound. Accordingly, a straightforward, highly sensitive, fast and green spectrofluorimetric approach was established for BRX determination. In 1.0 M sulfuric acid solution, BRX exhibited significant native fluorescence measured at emission wavelength of 390 nm after excitation at 333 nm. ICH requirements were used to evaluate the method. The fluorescence intensity and BRX concentration were found to be correlated linearly within the range of 5-220 ng mL-1 with a coefficient of correlation 0.9999. The limit of quantitation was 2.38 ng mL-1 while limit of detection was 0.78 ng mL-1. The developed approach was successfully used to analyze BRX in biological fluids and pharmaceutical dosage form. The suggested approach worked well when applied for testing the uniformity of content.
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Affiliation(s)
- Sayed M Derayea
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, 61519 Minia, Egypt.
| | - Al Amir S Zaafan
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt
| | - Dalia A Nagi
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, 61519 Minia, Egypt
| | - Mohamed Oraby
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt
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Buck SAJ, de Bruijn P, Ghobadi-Moghaddam-Helmantel IM, Lam MH, de Wit R, Koolen SLW, Mathijssen RHJ. Validation of an LC-MS/MS method for simultaneous quantification of abiraterone, enzalutamide and darolutamide in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1225:123752. [PMID: 37269569 DOI: 10.1016/j.jchromb.2023.123752] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 06/05/2023]
Abstract
Currently, several oral androgen receptor signalling inhibitors are available for the treatment of advanced prostate cancer. Quantification of plasma concentrations of these drugs is highly relevant for various purposes, such as Therapeutic Drug Monitoring (TDM) in oncology. Here, we report a liquid chromatography/tandem mass spectrometric (LC-MS/MS) method for the simultaneous quantification of abiraterone, enzalutamide, and darolutamide. The validation was performed according to the requirements of the U.S. Food and Drug Administration and European Medicine Agency. We also demonstrate the clinical applicability of the quantification of enzalutamide and darolutamide in patients with metastatic castration-resistant prostate cancer.
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Affiliation(s)
- Stefan A J Buck
- Department of Medical Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands.
| | - Peter de Bruijn
- Department of Medical Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands
| | | | - Mei H Lam
- Department of Medical Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands
| | - Ronald de Wit
- Department of Medical Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands
| | - Stijn L W Koolen
- Department of Medical Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands; Department of Hospital Pharmacy, Erasmus University Medical Center Rotterdam, The Netherlands
| | - Ron H J Mathijssen
- Department of Medical Oncology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands
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Nguyen T, Spriet I, Quintens C, Thi Thanh Ha P, Van Schepdael A, Adams E. Simultaneous determination of ceftazidime and pyridine in human plasma by LC-UV. J Pharm Biomed Anal 2023; 228:115319. [PMID: 36858005 DOI: 10.1016/j.jpba.2023.115319] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/03/2023] [Accepted: 02/24/2023] [Indexed: 02/27/2023]
Abstract
A sensitive, accurate and precise liquid chromatography (LC) method for the simultaneous determination of ceftazidime and pyridine in human plasma has been developed and validated. Acetonitrile (ACN) was employed to precipitate the proteins in the plasma samples. Chromatographic separation was performed with a Kinetex® C18 (150 mm × 3 mm, 2.6 µm) column with gradient elution. Ammonium formate 20 mM and ACN were mixed in a ratio of 98:2 (v/v) for mobile phase A and 85:15 (v/v) for mobile phase B. Both were adjusted to pH 4.5 with formic acid. The flow rate was 0.4 mL/min. UV detection was performed at 254 nm. Calibration curves were linear in the range from 0.3 to 225 μg/mL for ceftazidime and from 0.2 to 10 μg/mL for pyridine with correlation coefficients ≥ 0.999. Within- and between-run precision and accuracy were satisfactory with coefficients of variation (CV) ≤ 8.0% and deviations ≤ 7.0%, respectively. The method fulfilled all validation criteria prescribed by the European Medicines Agency guidelines. Next, it has been used successfully to analyze plasma samples of patients who received ceftazidime under intermittent and continuous administration. With intermittent administration, the concentration of the antibiotics reached a peak and then dropped quickly, which may be below the minimal inhibitory concentration (MIC). With continuous administration, the concentration of the antibiotics remained stable over 24 h, certainly above the MIC. Although the same tendency in ceftazidime concentration changes over time was observed, a difference in concentration amongst the patients was noticeable. The concentration of pyridine in plasma was negligible.
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Affiliation(s)
- Tam Nguyen
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, Herestraat 49, O&N2, PB 923, 3000 Leuven, Belgium
| | - Isabel Spriet
- Hospital Pharmacy Department, University Hospitals Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Charlotte Quintens
- Hospital Pharmacy Department, University Hospitals Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Pham Thi Thanh Ha
- Hanoi University of Pharmacy, Analytical Chemistry and Toxicology, 13-15 Le Thanh Tong, Hoan Kiem, Hanoi, Viet Nam
| | - Ann Van Schepdael
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, Herestraat 49, O&N2, PB 923, 3000 Leuven, Belgium
| | - Erwin Adams
- KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Pharmaceutical Analysis, Herestraat 49, O&N2, PB 923, 3000 Leuven, Belgium.
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Kroon M, van Laarhoven H, Swart E, Kemper E, van Tellingen O. A validated HPLC-MS/MS method for simultaneously analyzing curcumin, demethoxycurcumin, bisdemethoxycurcumin, tetra-hydrocurcumin and piperine in human plasma, urine or feces. Heliyon 2023; 9:e15540. [PMID: 37131436 PMCID: PMC10149208 DOI: 10.1016/j.heliyon.2023.e15540] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 12/29/2022] [Revised: 04/05/2023] [Accepted: 04/13/2023] [Indexed: 05/04/2023] Open
Abstract
Background The spice curcumin is supposed to have many different beneficial health effects. To understand the complete pharmacokinetics of curcumin we need an analytical method to determine curcumin and its metabolites in human plasma, urine or feces. We have developed an HPLC-MS/MS method for the simultaneous analysis of curcumin, demethoxycurcumin, bisdemethoxycurcumin, tetrahydrocurcumin and piperine in human plasma, urine or feces. Methods Sample pretreatment involved a simple liquid-liquid extraction with tert-butyl methyl ether. Conjugated curcumin and analogs can be measured after enzymatic hydrolysis. Reversed-phase chromatography with a linear gradient of 50-95% methanol in 0.1% formic acid was used. Total run time is 15 min. The method was validated with regards to stability, specificity, sensitivity, linearity, accuracy, repeatability and reproducibility. The applicability of the method was tested using actual patients samples. Results The LLOQ in plasma, urine and feces for curcumin, demethoxycurcumin, bisdemethoxycurcumin, tetrahydrocurcumin and piperine ranged from 1 to 5 nM. Whereas all compounds could be quantified on a linear range between 2 and 400 nM. Plasma and feces recovery of curcumin was 97.1 ± 3.7% and 99.4 ± 16.2%, whereas urine showed a recovery of 57.1 ± 9.3%. All compounds had acceptable in-between day or between day variability in the different matrixes. Conclusion A HPLC-MS/MS method was developed and validated for the simultaneous quantification of curcumin, demethoxycurcumin, bisdemethoxycurcumin, tetrahydrocurcumin and piperine in human plasma, urine or feces. This method will aid in critically verifying the pharmacokinetics of curcumin made by supplement manufacturers and help us to provide insight in the claimed bioavailability of curcumin supplements.
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Affiliation(s)
- M.A.G.M. Kroon
- Department of Pharmacy and Pharmacology, Amsterdam UMC Location AMC, the Netherlands
- Corresponding author. Amsterdam UMC, Location AMC, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands.
| | - H.W.M. van Laarhoven
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, the Netherlands
| | - E.L. Swart
- Department of Pharmacy and Pharmacology, Amsterdam UMC Location AMC, the Netherlands
| | - E.M. Kemper
- Department of Pharmacy and Pharmacology, Amsterdam UMC Location AMC, the Netherlands
| | - O. van Tellingen
- Department of Pharmacy and Pharmacology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
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Lin S, Wang H, Cai L, Liao L, Su Y, Cai X, Shen M. Characteristics and health risk assessment of volatile N-nitrosamines in the plasma of adults in Guangdong Province, China. J Pharm Biomed Anal 2023; 227:115189. [PMID: 36854220 DOI: 10.1016/j.jpba.2022.115189] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/04/2022] [Accepted: 11/26/2022] [Indexed: 11/29/2022]
Abstract
N-nitrosamines are strong carcinogens that are widely present in the environment. This study developed a method, and analyzed the concentrations of volatile N-nitrosamines (VNAs) in the plasma of adults in Guangdong Province, China. Finally, the health risks to adults in Guangdong Province, China, with dietary exposure to VNAs were assessed. Gas chromatography/mass spectrometry (GC/MS) in electron impact (EI) ionization source mode was used to quantitatively analyze VNAs, and to perform accurate mass determination. The lower limit of detection (LOD) of nine nitrosamines are ranged from 0.01 to 2.14 ng/mL. The recovery rate ranged from 83 % to 116 %, and the relative standard deviation (RSD) was < 10 %. The method developed is simple, rapid, and provides good reproducibility and high sensitivity. N-nitrosodimethylamine (NDMA), N-nitrosomethylethylamine (NMEA), N-nitrosodinbutylamine (NDBA), N-nitrosopiperidine (NPIP), N-nitrosopyrrolidine (NPYR), N-nitrosomorpholine (NMOR) and N-nitrosodiphenylamine (NDPhA) were detected in 92 adult plasma samples. NDMA and NMEA were detected in 56.5 % and 44.6 % of the samples, followed by NPIP (34.8 %). NDMA had the highest median concentration (43.7 ng/mL) in the total samples. There were gender-related differences found in the concentrations of NDBA and NDPhA. The exposure risk assessment results showed that the two highest daily dietary intakes of VNAs were N-nitrosodi-n-propylamine (NDPA) and NDMA, and aquatic products and pickled vegetables contributed the most total nitrosamine intake. The lifetime cancer risk of adults ranged from 2.88 × 10-10 to 7.46 × 10-5, and the risk associated with NDMA, NDPA, N-nitrosodiethylamine (NDEA), NMEA and NPIP are important and should attract more attention. This study aimed to explore the exposure levels of VNAs in the plasma of adults in Guangdong Province, China, and to assess the health risks of dietary intake of VNAs, which provides a basis of the effect of VNAs exposure on human health.
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Affiliation(s)
- Simin Lin
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Hetao Wang
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Lishan Cai
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Lili Liao
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Yintong Su
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Xiaohua Cai
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Mei Shen
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China.
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Elsayed MA, Abbas KAH, Abdelmontaleb HS, Mohamed AA. Tuning Fluorescence of Dapoxetine by Blocking of Photoinduced Electron Transfer (PET): Application in Real Human Plasma. LUMINESCENCE 2023; 38:600-608. [PMID: 36918406 DOI: 10.1002/bio.4480] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 01/28/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023]
Abstract
Photoinduced Electron Transfer (PET) is the most common mechanism proposed to account for quenching of fluorophores. Herein, the intrinsic fluorescence of dapoxetine hydrochloride (DPX) is in the "OFF" state, owed to the deactivation by the effect of PET. When the amine moiety is protonated, the fluorescence is restored. Protonation of the nitrogen atom of the tertiary amine moiety in DPX leads to "ON" state of fluorescence due to hindrance of the deactivating effect of PET by protonation of the amine moiety. This permits specific and sensitive determination of DPX in human plasma (LLOQ= 30.0 ng mL-1 ). The suggested method adopts protonation of DPX using 0.25 M hydrochloric acid in anionic micelles (6.94 mM SDS) leads to a marked enhancement of DPX-fluorescence, after excitation at 290 nm.
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Affiliation(s)
- Mohamed Ahmed Elsayed
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Fayoum University, Egypt
| | | | | | - Abobakr A Mohamed
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Fayoum University, Egypt
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Zhang Y, Guo C, Liu H, Yang L, Ren C, Li T, Liu J. Multiplex quantitation of 17 drug-derived components in human plasma after administration of a fixed herbal preparation of Sailuotong using combined online SPE-LC-MS/MS methods. J Ethnopharmacol 2023; 302:115843. [PMID: 36265676 DOI: 10.1016/j.jep.2022.115843] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 06/06/2022] [Revised: 10/07/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sailuotong (SLT) is a standardized herbal medicine formula made from extracts of ginseng (the dried root and rhizome of Panax ginseng C. A. Meyer), ginkgo (the leaves of Ginkgo biloba L.), and saffron (the stigma of Crocus sativus L.). It is prescribed compatibly for the treatment of vascular dementia (VaD) following the TCM principle of Qi-invigorating and Blood-activating. Ginseng is widely used as a tonic for the restoration of strength in China. Ginkgo and saffron have been traditionally used for a long time as medicines with the main effect of promoting blood circulation and removing blood stasis. AIM OF THE STUDY SLT has been proven to be a promising medicine for VaD by existing pharmacological and clinical evidence. To understand how the formula herbs and their active ingredients cooperate to produce comprehensive effects, the present study aimed to establish a highly sensitive and accurate quantitative method to reveal the plasma exposure profile of SLT in humans. MATERIAL AND METHODS Multiplex quantitation of a total of 17 SLT-derived components in human plasma was fulfilled by using online SPE for sample extractions followed by LC-MS/MS determinations. Among them, 8 ginsenoside (Rg1, Re, F1, Rf, Rb1, Rb2, Rc and Rd) were determined in ESI+ mode, and ginkgo flavonoids of quercetin, kaempferol, isorhamnetin were in ESI- mode. Improved sensitivity was achieved through optimizing the condition of sample extraction and LC separation, as well as mass parameters. 4 ginkgolides, including ginkgolide A, B, C and bilobalide, and 2 crocins of crocin-1 and its metabolite crocetin, were analyzed concurrently in negative ion mode, and their stability was ensured by a series of protective solutions. RESULTS The lower limit of quantitation was achieved to be extremely sensitive at 0.078 ng/mL for all ginsenosides, 0.033 ‒ 0.2 ng/mL for ginkgo flavonoids, 0.75 or 1.5 ng/mL for ginkgolides and 3 ng/mL for crocins. The methods were fully validated to be accurate and precise, and applicability was demonstrated by the analysis of clinical samples from 2 healthy volunteers. CONCLUSION The developed methods should be useful in further detailed clinical pharmacokinetic research for clarifying the effect mechanism of SLT and formulating its rational therapeutic regimens.
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Affiliation(s)
- Ying Zhang
- Institute of Basic Medical Sciences of Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing Key Laboratory of Pharmacology of Chinese Material Medica, Beijing, 10091, China.
| | - Chunli Guo
- Department of Neurology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 10091, China
| | - Hongmei Liu
- Department of Neurology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 10091, China
| | - Lin Yang
- Laboratory of Cardiovascular Diseases, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 10091, China
| | - Changying Ren
- Institute of Basic Medical Sciences of Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing Key Laboratory of Pharmacology of Chinese Material Medica, Beijing, 10091, China
| | - Tao Li
- Department of Neurology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 10091, China
| | - Jianxun Liu
- Institute of Basic Medical Sciences of Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing Key Laboratory of Pharmacology of Chinese Material Medica, Beijing, 10091, China.
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Abstract
Glycosphingolipids (GSLs) are glycolipids with ceramide and carbohydrate head groups that play an important role in numerous biological processes. Previously, we performed GSL-glycan analysis of various cell lines and virus-infected cells using a glycoblotting approach. Recently, we developed several methods for sialic acid linkage-specific chemical modification to distinguish sialylated glycan isomers by mass spectrometry. In this chapter, we describe a method for analyzing GSL-glycans in human serum/plasma using glycoblotting combined with aminolysis-SALSA (sialic acid linkage-specific alkylamidation) and lactone-driven ester-to-amide derivatization (LEAD)-SALSA for comprehensive and detailed structural glycomics.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan.
| | | | - Jun-Ichi Furukawa
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi, Japan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
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Salman BI, Hassan AI, Hassan YF, Saraya RE, Batakoushy HA. Rapid One-Pot Microwave Assisted Green Synthesis Nitrogen Doped Carbon Quantum Dots as Fluorescent Precursor for Estimation of Modafinil as Post-Covid Neurological Drug in Human Plasma with Greenness Assessments. J Fluoresc 2022; 33:1101-1110. [PMID: 36576682 PMCID: PMC9795147 DOI: 10.1007/s10895-022-03128-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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: 11/22/2022] [Accepted: 12/12/2022] [Indexed: 12/29/2022]
Abstract
The neuro-stimulant anti-narcoleptic drug as modafinil (MOD) is used to treatment neurological conditions caused by COVID-19. MOD was used to treatment narcolepsy, shift-work sleep disorder, and obstructive sleep apnea-related sleepiness. So, an innovative, quick, economical, selective, and ecologically friendly procedure was carried out. A highly sensitive N@CQDs technique was created from green Eruca sativa leaves in about 4 min using microwave synthesis at 700 w. The quantum yield of the synthesized N@CQDs was found to be 41.39%. By increasing the concentration of MOD, the quantum dots' fluorescence intensity was gradually quenched. After being excited at 445 nm, the fluorescence reading was recorded at 515 nm. The linear range was found to be in the range 50 - 700 ng mL-1 with lower limit of quantitation (LOQ) equal to 45.00 ng mL-1. The current method was fully validated and bio analytically according to (US-FDA and ICH) guidelines. Full characterization of the N@CQDs has been conducted by high resolution transmission electron microscope (HRTEM), Zeta potential measurement, fluorescence, UV-VIS, and FTIR spectroscopy. Various experimental variables including pH, QDs concentration and the reaction time were optimized. The proposed study is simply implemented for the therapeutic drug monitoring system (TDMS) and various clinical laboratories for further pharmacokinetic research.
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Affiliation(s)
- Baher I. Salman
- grid.411303.40000 0001 2155 6022Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524 Egypt
| | - Ahmed I. Hassan
- grid.411303.40000 0001 2155 6022Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524 Egypt
| | - Yasser F. Hassan
- grid.411303.40000 0001 2155 6022Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, 71524 Egypt
| | - Roshdy E. Saraya
- grid.440879.60000 0004 0578 4430Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Port Said University, Port Said, 42511 Egypt
| | - Hany A. Batakoushy
- grid.411775.10000 0004 0621 4712Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Menoufia University, Shebin Elkom, 32511 Egypt
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Jang SY, Jung Y, Lee DH, Hwang GS. NMR-based metabolomic analysis of human plasma to examine the effect of exposure to persistent organic pollutants. Chemosphere 2022; 307:135963. [PMID: 36007736 DOI: 10.1016/j.chemosphere.2022.135963] [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: 02/02/2022] [Revised: 07/31/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
Persistent organic pollutants (POPs) are lipophilic environmental toxins, and the level of chemicals accumulated in the body through the food chain has been linked to the incidence of diseases such as type 2 diabetes, cardiovascular disease, and cancer. We analyzed the concentration of POPs and circulating metabolites and investigated the associations between the concentration of plasma metabolites and the levels of polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) to determine the effect of the accumulation of POPs in human samples. Metabolic profiling of plasma from 276 Korean participants was performed using 1H nuclear magnetic resonance (NMR) and statistical analyses. The concentrations of PCBs and OCPs in each sample were measured. Correlation analysis and a covariate-adjusted general linear model (GLM) were used to investigate the association of the concentration of POPs with circulating metabolites in human blood samples. We found that four categories of Σ6PCBs and Σ5OCPs based on rank were significantly correlated with 4 and 5 metabolites, respectively, after adjusting for confounding factors, including age, sex, body mass index (BMI), smoking status, alcohol intake, physical activity, triglycerides, and total cholesterol. According to the GLM analyses, 3 metabolites, namely, creatinine, acetate, and formate, among the 4 correlated metabolites were associated with four categories of rank-based Σ6PCBs. On the other hand, the quartiles of the rank-based Σ5OCPs were not associated with any circulating metabolites among the 5 correlated metabolites. Our findings indicate that the metabolites related to short-chain fatty acids and creatine can be useful risk indicators for estimating the effect of PCB exposure.
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Affiliation(s)
- Seo Young Jang
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Republic of Korea; Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Youngae Jung
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Republic of Korea
| | - Duk-Hee Lee
- Department of Preventive Medicine, School of Medicine, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Geum-Sook Hwang
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Republic of Korea; Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Republic of Korea.
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Elawady T, Khedr A, El-Enany N, Belal F. Utility of Kolliphor RH 40 in micellar sensitized fluorescence of the novel tyrosine kinase inhibitor "Erdafitinib": Application to human plasma. Spectrochim Acta A Mol Biomol Spectrosc 2022; 278:121327. [PMID: 35567824 DOI: 10.1016/j.saa.2022.121327] [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: 01/06/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 06/15/2023]
Abstract
Erdafitinib is the first treatment targeting susceptible fibroblast growth factor receptor (FGFR) genetic alterations in patients with locally advanced or metastatic urothelial carcinoma. A simple and precise spectrofluorimetric method was developed for its determination depending on fluorescence enhancement using Kolliphor RH 40 micellar medium at pH 10. The fluorescence intensity was measured at 495 nm after excitation at 410 nm. Different experimental parameters affecting the fluorescence intensity, including type of organized medium, diluting solvent, buffer type and pH were studied during optimization phase. Validation according to ICH Q2(R1) guidance was fully fulfilled. The method was linear over the range of 50 - 800 ng/mL. The lower limit of detection (LOD) and lower limit of quantitation (LOQ) were 14.36 and 43.50 ng/mL, respectively. The relative standard deviation values of intraday and interday precisions were less than 1.93 %. The proposed method was successfully applied to laboratory-prepared tablets. Furthermore, the high sensitivity of the method allowed its application on spiked human plasma samples with a high percent of recovery. The greenness of the method was investigated as an Eco-friendly alternative for erdafitinib determination with minimal organic solvent consumption.
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Affiliation(s)
- Tarek Elawady
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt.
| | - Alaa Khedr
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, P.O. Box 80260, Jeddah 21589, Saudi Arabia
| | - Nahed El-Enany
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt; Department of Medicinal Chemistry, Faculty of Pharmacy, New Mansoura University, P.O. Box 7723730, New Mansoura, Egypt
| | - Fathalla Belal
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
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Kleider C, Calderón Giraldo J, Pemp D, Esch HL, Lehmann L. Validation of a GC- and LC-MS/MS based method for the quantification of 22 estrogens and its application to human plasma. Steroids 2022; 186:109077. [PMID: 35787836 DOI: 10.1016/j.steroids.2022.109077] [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: 04/06/2022] [Revised: 06/10/2022] [Accepted: 06/29/2022] [Indexed: 11/26/2022]
Abstract
In epidemiological studies, blood levels of 17β-estradiol (E2) are associated with hormone-dependent diseases. The lack of specific methods impedes studies on the role of E2 metabolites and their conjugates in the etiology of hormone-dependent diseases. Stable-isotope dilution tandem mass spectrometry methods (coupled to gas chromatography and liquid chromatography systems) for the analysis of 22 endogenous estrogens, including both oxidative metabolites, as well as sulfates and glucuronides, was validated and the method applied to plasma of women with no breast cancer. No changes in estrogen profile during sample cleanup were observed and values for limit of detection (7fmol/ml - 2 pmol/ml), accuracies (80-122%) as well as intra- and inter-day precision (below 28%) at levels near the limit of quantification were acceptable. In human plasma only seven estrogens were detected and estrone conjugates contributed most to the estrogen profile.
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Affiliation(s)
- Carolin Kleider
- University of Würzburg, Chair of Food Chemistry, 97074 Würzburg, Germany.
| | | | - Daniela Pemp
- University of Würzburg, Chair of Food Chemistry, 97074 Würzburg, Germany.
| | - Harald L Esch
- University of Würzburg, Chair of Food Chemistry, 97074 Würzburg, Germany.
| | - Leane Lehmann
- University of Würzburg, Chair of Food Chemistry, 97074 Würzburg, Germany.
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Kim YL, Lee W, Chung SH, Yu BM, Lee YC, Hong J. Metabolic alterations of short-chain fatty acids and TCA cycle intermediates in human plasma from patients with gastric cancer. Life Sci 2022;:121010. [PMID: 36181864 DOI: 10.1016/j.lfs.2022.121010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/22/2022] [Accepted: 09/25/2022] [Indexed: 11/21/2022]
Abstract
AIMS Short-chain fatty acids (SCFAs) are produced by gut microbiota from dietary fiber. Since absorbed SCFAs could be introduced into the tricarboxylic acid (TCA) cycle in host cells, the relationships between SCFAs and TCA cycle intermediates might influence to energy metabolism in the human body. For this reason, information on profile changes between SCFAs and TCA cycle intermediates could help unveil pathological mechanisms of gastric cancer. MAIN METHODS A gas chromatography-tandem mass spectrometry (GC-MS/MS) method was developed to simultaneously determine SCFAs and TCA cycle intermediates in human plasma from patients with chronic superficial gastritis (CSG), intestinal metaplasia (IM), and gastric cancer. We applied a tetra-alkyl ammonium pairing method to prevent loss of volatile SCFAs and base decarboxylation of TCA cycle intermediates during sample preparation. To assess gastric diseases, metabolic alterations of SCFAs and TCA cycle intermediates in human plasma with gastric disorders were analyzed by their plasma levels. KEY FINDINGS Significantly different metabolic alterations based on the plasma levels of SCFAs and TCA cycle intermediates were investigated in cancer metabolic pathways. Not only propionate and butyrate, mainly produced by gut microbiota, were significantly decreased, but also cis-aconitate, α-ketoglutarate, and fumarate were significantly increased in plasma with IM or gastric cancer, compared to CSG. Further, based on ratios of product to precursor, three metabolic pathways (succinate/propionate, succinate/α-ketoglutarate, and cis-aconitate/citrate) were supposed to be distorted between gastric diseases. SIGNIFICANCE In conclusion, propionate, cis-aconitate, α-ketoglutarate, and fumarate could be used to assess the progression of gastric cancer.
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