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Chen H, Luo Y, Liu J, Chen J, Chen Y, Li X. Comparative pharmacokinetic study of six lignans in normal and diabetic rats after oral administration of Saururus chinensis extract by LC-MS/MS. Biomed Chromatogr 2021; 36:e5253. [PMID: 34596250 DOI: 10.1002/bmc.5253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/13/2021] [Accepted: 09/21/2021] [Indexed: 11/08/2022]
Abstract
Saururus chinensis (SC) possesses significant anti-diabetic activity and lignans were its major bioactive compounds. In this study, a rapid and sensitive ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was established for simultaneous quantification of six lignans, namely (-)-(7R,8R)-machilin D (1), verrucesin (2), rel-(7S,8S,7'R,8'R)-3,3',4,4',5,5'-hexamethoxy-7.O.7',8.8'-lignan (3), manassantin A (4), manassantin B (5), and saucerneol F (6) in rat's plasma. It was validated with acceptable linearity (r ≥ 0.9922), accuracy (80.42-95.17%), precision (RSD ≤ 12.08%), and extraction recovery (80.36-93.45%). The method was successfully applied to the comparative pharmacokinetic study of the six lignans in normal and diabetic rats after oral administration of SC extract. Results showed that the areas under the plasma concentration-time curve (AUC0 → t and AUC0 → ∞ ) of (-)-(7R,8R)-machilin D, rel-(7S,8S,7'R,8'R)-3,3',4,4',5,5'-hexamethoxy-7.O.7',8.8'-lignan, manassantin B, and saucerneol F in diabetic rats were significantly increased, and the plasma clearance (CL) of (-)-(7R,8R)-machilin D in diabetic rats was significantly decreased. However, the AUC0 → t and AUC0 → ∞ of verrucesin were significantly decreased, and its CL was significantly increased in diabetic rats compared with those in normal rats. These results indicated that there were remarkable differences in the pharmacokinetic parameters between the normal and diabetic rats. The pharmacokinetic studies might be beneficial for the clinical use of SC as hypoglycemic agent.
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Affiliation(s)
- Hongjiang Chen
- College of Chinese Medicine, Zhejiang Pharmaceutical College, Ningbo, People's Republic of China.,College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
| | - Yiyuan Luo
- College of Chinese Medicine, Zhejiang Pharmaceutical College, Ningbo, People's Republic of China
| | - Jianan Liu
- College of Chinese Medicine, Zhejiang Pharmaceutical College, Ningbo, People's Republic of China
| | - Jianwei Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
| | - Yong Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
| | - Xiang Li
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
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Wang L, Liu L, Hong X, Liu D, Cheng Z. A novel method for the storage and transport of biological samples of therapeutic proteins prior to the detection of analytes using ELISA. Sci Rep 2021; 11:8763. [PMID: 33888819 PMCID: PMC8062679 DOI: 10.1038/s41598-021-88180-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/30/2021] [Indexed: 11/09/2022] Open
Abstract
Therapeutic proteins have exhibited promising clinical applications in the diagnosis and treatment of some diseases. Prior to the detection of analytes using enzyme-linked immunosorbent assay, biological samples of therapeutic proteins are conventionally frozen at temperatures ranging from - 20 to - 80 °C to increase the stability of analytes. However, therapeutic proteins destabilization and aggregation may occur during the frozen storage or the freeze-thawing step. In this work, an effective method was proposed to freeze-dry therapeutic protein samples to allow subsequent storage or transport of samples without freezing them. This new method was validated with quality control samples of adalimumab and etanercept, and it was also used in the bioanalysis of adalimumab and etanercept in pharmacokinetic (PK) studies. Adalimumab and etanercept were stable for 14 days at 4 °C after being prepared and stored using the new method, with detection that was accurate and repeatable. Studies of adalimumab and etanercept in animals and humans showed that the PK parameters of the analytes stored with the new method were consistent with those of analytes stored using the conventional method. This effective method will be attractive for facilitating the storage and transport of plasma samples containing therapeutic proteins.
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Affiliation(s)
- Lei Wang
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China.,Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, 510632, China
| | - Lixiong Liu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
| | - Xiaoping Hong
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
| | - Dongzhou Liu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China.
| | - Zeneng Cheng
- Research Institute of Drug Metabolism and Pharmacokinetics, School of Xiangya Pharmaceutical Sciences, Central South University, Changsha, 410013, Hunan, China.
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Han DG, Yun H, Yoon IS. A novel high-performance liquid chromatographic method combined with fluorescence detection for determination of ertugliflozin in rat plasma: Assessment of pharmacokinetic drug interaction potential of ertugliflozin with mefenamic acid and ketoconazole. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1122-1123:49-57. [PMID: 31153131 DOI: 10.1016/j.jchromb.2019.05.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/01/2019] [Accepted: 05/24/2019] [Indexed: 12/11/2022]
Abstract
Ertugliflozin (ERTU) is a novel, potent, and highly selective sodium glucose cotransporter 2 inhibitor that has been recently approved for the treatment of type 2 diabetes mellitus. We describe a novel bioanalytical method using high-performance liquid chromatography (HPLC) coupled with fluorescence detection for quantitative determination of ERTU in rat plasma. Acetonitrile-based protein precipitation method was used for sample preparation, and chromatographic separation was performed on a Kinetex® C18 column with an isocratic mobile phase comprising acetonitrile and 10 mM potassium phosphate buffer (pH 6.0). The eluent was monitored by a fluorescence detector at an optimized excitation/emission wavelength pair of 277/320 nm. The method was validated to demonstrate the selectivity, linearity (ranging from 4 to 2000 ng/mL), precision, accuracy, recovery, matrix effect, and stability in line with the current FDA guidelines. The newly developed method was successfully applied to investigate the pharmacokinetic interactions of ERTU with mefenamic acid (MEF) and ketoconazole (KET). The findings of the present study revealed that the pharmacokinetics of ERTU may be altered by concurrent administration of MEF and KET in rats. To our knowledge, the present study is the first to develop a validated bioanalytical method for quantification of ERTU using HPLC coupled with fluorescence detection and to assess the drug interaction potential of ERTU with non-steroidal anti-inflammatory (MEF) and azole antifungal (KET) drugs.
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Affiliation(s)
- Dong-Gyun Han
- Department of Manufacturing Pharmacy, College of Pharmacy, Pusan National University, Busan, South Korea
| | - Hwayoung Yun
- Department of Manufacturing Pharmacy, College of Pharmacy, Pusan National University, Busan, South Korea.
| | - In-Soo Yoon
- Department of Manufacturing Pharmacy, College of Pharmacy, Pusan National University, Busan, South Korea.
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4
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Jeong JY, Hong EH, Lee SY, Lee JY, Song JH, Ko SH, Shim JS, Choe S, Kim DD, Ko HJ, Cho HJ. Boronic acid-tethered amphiphilic hyaluronic acid derivative-based nanoassemblies for tumor targeting and penetration. Acta Biomater 2017; 53:414-426. [PMID: 28216300 DOI: 10.1016/j.actbio.2017.02.030] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 01/26/2017] [Accepted: 02/14/2017] [Indexed: 12/13/2022]
Abstract
(3-Aminomethylphenyl)boronic acid (AMPB)-installed hyaluronic acid-ceramide (HACE)-based nanoparticles (NPs), including manassantin B (MB), were fabricated for tumor-targeted delivery. The amine group of AMPB was conjugated to the carboxylic acid group of hyaluronic acid (HA) via amide bond formation, and synthesis was confirmed by spectroscopic methods. HACE-AMPB/MB NPs with a 239-nm mean diameter, narrow size distribution, negative zeta potential, and >90% drug encapsulation efficiency were fabricated. Exposed AMPB in the outer surface of HACE-AMPB NPs (in the aqueous environment) may react with sialic acid of cancer cells. The improved cellular accumulation efficiency, in vitro antitumor efficacy, and tumor penetration efficiency of HACE-AMPB/MB NPs, compared with HACE/MB NPs, in MDA-MB-231 cells (CD44 receptor-positive human breast adenocarcinoma cells) may be based on the CD44 receptor-mediated endocytosis and phenylboronic acid-sialic acid interaction. Enhanced in vivo tumor targetability, infiltration efficiency, and antitumor efficacies of HACE-AMPB NPs, compared with HACE NPs, were observed in a MDA-MB-231 tumor-xenografted mouse model. In addition to passive tumor targeting (based on an enhanced permeability and retention effect) and active tumor targeting (interaction between HA and CD44 receptor), the phenylboronic acid-sialic acid interaction can play important roles in augmented tumor targeting and penetration of HACE-AMPB NPs. STATEMENT OF SIGNIFICANCE: (3-Aminomethylphenyl)boronic acid (AMPB)-tethered hyaluronic acid-ceramide (HACE)-based nanoparticles (NPs), including manassantin B (MB), were fabricated and their tumor targeting and penetration efficiencies were assessed in MDA-MB-231 (CD44 receptor-positive human adenocarcinoma) tumor models. MB, which exhibited antitumor efficacies via the inhibition of angiogenesis and hypoxia inducible factor (HIF)-1, was entrapped in HACE-AMPB NPs in this study. Phenylboronic acid located in the outer surface of HACE-AMPB/MB NPs (in the aqueous milieu) may react with the sialic acid over-expressed in cancer cells and intramolecular B‒O bond can be formed. This phenylboronic acid-sialic acid interaction may provide additional tumor targeting and penetration potentials together with an enhanced permeability and retention (EPR) effect (passive tumor targeting) and HA-CD44 receptor interaction (active tumor targeting). Developed HACE-AMPB NP may be one of promising nanocarriers for the imaging and therapy of CD44 receptor-expressed cancers.
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Affiliation(s)
- Jae Young Jeong
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Eun-Hye Hong
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Song Yi Lee
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Jae-Young Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jae-Hyoung Song
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Seung-Hak Ko
- Biogenics Inc., Daejeon 34027, Republic of Korea
| | - Jae-Seong Shim
- Biogenics Inc., Daejeon 34027, Republic of Korea; Skin & Tech Inc., Seongnam, Gyeonggi 13135, Republic of Korea
| | - Sunghwa Choe
- Convergence Research Center for Functional Plant Products, Advanced Institutes of Convergence Technology, Suwon, Gyeonggi 16229, Republic of Korea
| | - Dae-Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyun-Jeong Ko
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea; Convergence Research Center for Functional Plant Products, Advanced Institutes of Convergence Technology, Suwon, Gyeonggi 16229, Republic of Korea.
| | - Hyun-Jong Cho
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea.
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Kim KT, Lee JY, Park JH, Kim MH, Kim JS, Shin HJ, Kang N, Cho HJ, Yoon IS, Kim DD. Development of HPLC Method for the Determination of Buspirone in Rat Plasma Using Fluorescence Detection and Its Application to a Pharmacokinetic Study. Chem Pharm Bull (Tokyo) 2017; 64:1582-1588. [PMID: 27803469 DOI: 10.1248/cpb.c16-00405] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A simple and sensitive analytical method for the quantitative determination of buspirone in rat plasma by HPLC with fluorescence detection was developed and validated using naproxen as an internal standard. A relatively small-volume (150 µL) aliquot of rat plasma sample was prepared by a simple deproteinization procedure using acetonitrile as a precipitating organic solvent. Chromatographic separation was performed using Kinetex® C8 column with an isocratic mobile phase consisting of acetonitrile and 10-mM potassium phosphate buffer (pH 6.0) at a flow rate of 1.0 mL/min. The eluent was monitored by fluorescence detector at a wavelength pair of 237/380 nm (excitation/emission). The linearity was established at 20.0-5000 ng/mL, and the limit of detection was 6.51 ng/mL. The precision (≤14.6%), accuracy (89.2-108%), and stability (89.1-101%) were within acceptable ranges. The newly developed method was successfully applied to intravenous and oral pharmacokinetic studies of buspirone in rats.
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Affiliation(s)
- Ki Taek Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University
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Wang L, Xie M, Li Y, Zhang S, Qiang W, Cheng Z. An effective and economical method for the storage of plasma samples using a novel freeze-drying device. Anal Chim Acta 2016; 938:82-9. [PMID: 27619089 DOI: 10.1016/j.aca.2016.08.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 08/04/2016] [Accepted: 08/09/2016] [Indexed: 10/21/2022]
Abstract
Biological samples, especially plasma samples, are conventionally stored under freezing conditions to maintain sample integrity prior to the detections of analytes. However, the storage of samples in a low-temperature environment is electric energy consuming, and the preparation of samples prior to analytes detection may be complicated. In this work, an effective and economical method was proposed to freeze-dry the samples using a novel device to allow subsequent storage of samples at ambient temperature. The sample preparations integrated in the new method are simple and easy to follow. Analytes were directly extracted with the extraction agent before sample injections. This new method was validated with quality control (QC) samples of levetiracetam and mycophenolic acid (MPA), and it was also applied to the pharmacokinetic (PK) studies of both drugs in healthy volunteers. When QC samples were stored and prepared with the new method, the detections of analytes were accurate and repeatable, and the analytes maintained stability for a long time. The PK studies of levetiracetam and MPA in healthy volunteers showed that the PK parameters of analytes stored with the new method were consistent with those stored with the conventional method. In conclusion, this effective and economical method is a practical option in reality and can play a big role in clinical and scientific drug researches.
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Affiliation(s)
- Lei Wang
- Research Institute of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Mengmeng Xie
- Research Institute of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Ying Li
- Research Institute of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Sen Zhang
- Xian-Janssen Pharmaceutical Ltd, Xi'an, Shanxi 710043, China
| | - Wei Qiang
- Research Institute of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Zeneng Cheng
- Research Institute of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China.
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