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Park JS, Yang SC, Jeong HY, Lee SY, Ryu JG, Choi JW, Kang HY, Kim SM, Hwang SH, Cho ML, Park SH. EC-18 prevents autoimmune arthritis by suppressing inflammatory cytokines and osteoclastogenesis. Arthritis Res Ther 2022; 24:254. [PMID: 36397156 PMCID: PMC9670482 DOI: 10.1186/s13075-022-02941-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 10/21/2022] [Indexed: 11/18/2022] Open
Abstract
Background EC-18, a synthetic monoacetyldiaglyceride, exhibits protective effects against lung inflammation, allergic asthma, and abdominal sepsis. However, there have been no investigations to determine whether EC-18 has preventive potential in autoimmune diseases, especially rheumatoid arthritis (RA). Methods To investigate the efficacy of EC-18 on the development of RA, EC-18 was administered in a collagen-induced arthritis (CIA) murine model and disease severity and the level of inflammatory cytokines in the joint were investigated. The effect of EC-18 on the inflammation-related factors was investigated by flow cytometry, ELISA, western blot, and real-time PCR in splenocytes from mice and in peripheral blood mononuclear cells from healthy and patients with RA. The effect of EC-18 on osteoclastogenesis was investigated. Results EC-18 effectively reduced the clinical and histological severity of arthritis, similar to Janus kinase inhibitors include tofacitinib and baricitinib, in CIA. Furthermore, EC-18 exhibited a synergistic effect with methotrexate in preventing CIA. Treatment with EC-18 effectively reduced the production of inflammatory cytokines in immune cells and osteoclast differentiation in mice and patients with RA. Conclusion These results suggest that EC-18 may be an effective strategy for RA.
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Manful CF, Pham TH, Spicer H, Thomas RH. A multimodal analytical method to simultaneously determine monoacetyldiacylglycerols, medium and long chain triglycerides in biological samples during routine lipidomics. Lipids Health Dis 2022; 21:42. [PMID: 35538477 PMCID: PMC9092795 DOI: 10.1186/s12944-022-01650-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 04/19/2022] [Indexed: 12/02/2022] Open
Abstract
Background Monoacetyldiglycerides (MAcDG), are acetylated triglycerides (TG) and an emerging class of bioactive or functional lipid with promising nutritional, medical, and industrial applications. A major challenge exists when analyzing MAcDG from other subclasses of TG in biological matrices, limiting knowledge on their applications and metabolism. Methods Herein a multimodal analytical method for resolution, identification, and quantitation of MAcDG in biological samples was demonstrated based on thin layer chromatography-flame ionization detection complimentary with C30-reversed phase liquid chromatography-high resolution accurate mass tandem mass spectrometry. This method was then applied to determine the MAcDG molecular species composition and quantity in E. solidaginis larvae. The statistical method for analysis of TG subclass composition and molecular species composition of E. solidaginis larvae was one-way analysis of variance (ANOVA). Results The findings suggest that the proposed analytical method could simultaneously provide a fast, accurate, sensitive, high throughput analysis of MAcDG from other TG subclasses, including the fatty acids, isomers, and molecular species composition. Conclusion This method would allow for MAcDG to be included during routine lipidomics analysis of biological samples and will have broad interests and applications in the scientific community in areas such as nutrition, climate change, medicine and biofuel innovations. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12944-022-01650-w.
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Affiliation(s)
- Charles F Manful
- School of Science and the Environment/ Boreal Ecosystem Research Initiative, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, A2H 5G4, Canada.
| | - Thu H Pham
- School of Science and the Environment/ Boreal Ecosystem Research Initiative, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, A2H 5G4, Canada
| | - Heather Spicer
- School of Science and the Environment/ Boreal Ecosystem Research Initiative, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, A2H 5G4, Canada
| | - Raymond H Thomas
- School of Science and the Environment/ Boreal Ecosystem Research Initiative, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, A2H 5G4, Canada.
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Mitigating Effect of 1-Palmitoyl-2-Linoleoyl-3-Acetyl-Rac-Glycerol (PLAG) on a Murine Model of 5-Fluorouracil-Induced Hematological Toxicity. Cancers (Basel) 2019; 11:cancers11111811. [PMID: 31752148 PMCID: PMC6896120 DOI: 10.3390/cancers11111811] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 11/08/2019] [Accepted: 11/09/2019] [Indexed: 12/19/2022] Open
Abstract
5-Fluorouracil (5-FU) is an antimetabolite chemotherapy widely used for the treatment of various cancers. However, many cancer patients experience hematological side effects following 5-FU treatment. Here, we investigated the protective effects of 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) as a mitigator against 5-FU-induced hematologic toxicity, including neutropenia, monocytopenia, thrombocytopenia, and thrombocytosis, in Balb/c mice injected with 5-FU (100 mg/kg, i.p.). Administration of PLAG significantly and dose-dependently reduced the duration of neutropenia and improved the nadirs of absolute neutrophil counts (ANCs). Moreover, while the ANCs of all mice in the control fell to the severely neutropenic range, none of the mice in the PLAG 200 and 400 mg/kg-treated groups experienced severe neutropenia. Administration of PLAG significantly delayed the mean first day of monocytopenia and reduced the duration of monocytopenia. PLAG also effectively reduced extreme changes in platelet counts induced by 5-FU treatment, thus preventing 5-FU-induced thrombocytopenia and thrombocytosis. PLAG significantly decreased plasma levels of the chemokine (C–X–C motif) ligand 1 (CXCL1), CXCL2, interleukin (IL)-6, and C-reactive protein (CRP), which were elevated consistently with the occurrence time of neutropenia, monocytopenia, and thrombocytopenia. When compared with olive oil and palmitic linoleic hydroxyl glycerol (PLH), only PLAG effectively mitigated 5-FU-induced hematological toxicity, indicating that it has a distinctive mechanism of action. In conclusion, PLAG may have therapeutic potential as a mitigator for 5-FU-induced neutropenia and other hematological disorders.
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Gajdoš P, Hambalko J, Nicaud J, Čertík M. Overexpression of diacylglycerol acetyltransferase from
Euonymus europaeus
in
Yarrowia lipolytica
leads to the production of single‐cell oil enriched with 3‐acetyl‐1,2‐diacylglycerols. Yeast 2019; 37:141-147. [DOI: 10.1002/yea.3442] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/21/2019] [Accepted: 09/05/2019] [Indexed: 02/01/2023] Open
Affiliation(s)
- Peter Gajdoš
- Institute of Biotechnology, Faculty of Chemical and Food Technology Slovak University of Technology Bratislava Slovakia
| | - Jaroslav Hambalko
- Institute of Biotechnology, Faculty of Chemical and Food Technology Slovak University of Technology Bratislava Slovakia
| | - Jean‐Marc Nicaud
- Micalis Institute, INRA, AgroParisTech Université Paris‐Saclay Jouy‐en‐Josas France
| | - Milan Čertík
- Institute of Biotechnology, Faculty of Chemical and Food Technology Slovak University of Technology Bratislava Slovakia
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Comparison of 1-Palmitoyl-2-Linoleoyl-3-Acetyl-Rac-Glycerol-Loaded Self-Emulsifying Granule and Solid Self-Nanoemulsifying Drug Delivery System: Powder Property, Dissolution and Oral Bioavailability. Pharmaceutics 2019; 11:pharmaceutics11080415. [PMID: 31426411 PMCID: PMC6723086 DOI: 10.3390/pharmaceutics11080415] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/09/2019] [Accepted: 08/12/2019] [Indexed: 01/05/2023] Open
Abstract
The main objective of this study was to compare the powder property, dissolution and bioavailability of 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG)-loaded self-emulsifying granule system (SEGS) and solid self-nanoemulsifying drug delivery system (SNEDDS). Various SEGS formulations were prepared, and the effect of surfactant and binder on the drug solubility in them, leading to selecting sodium lauryl sulphate (SLS) and hydroxyl propyl methyl cellulose (HPMC). The SEGS and SNEDDS were prepared with PLAG/SLS/HPMC/calcium silicate/microcrystalline cellulose at the weight ratio of 1:0.25:0.1:0.5:3 employing the fluid bed granulation and spray-drying technique, respectively. Their powder properties were compared in terms of flow ability, emulsion droplet size, scanning electron microscopy, and powder X-ray diffraction. Furthermore, the solubility, dissolution, and oral bioavailability in rats of the SEGS were assessed in comparison with the SNEDDS. The SEGS and SNEDDS enhanced the solubility of the drug approximately 36- and 32-fold as compared with the drug alone; but they had no differences. The crystalline drug may exist in both the calcium silicate and microcrystalline cellulose (MCC) in the SEGS, but only in the calcium silicate in the SNEDDS. The SEGS had considerably improved the flow ability (Hausner ratio, 1.23 vs. 1.07; Carr index, 19.8 vs. 43.5%) and drug dissolution as compared with the SNEDDS. The SEGS and SNEDDS with double peak profiles, unlike the single peak of drug alone, showed a significantly higher plasma concentration and area under the curve (AUC), as compared with drug alone. Although they were not significantly different, the SEGS gave higher AUC than did the SNEDDS, suggesting its enhanced oral bioavailability of PLAG. Thus, the SEGS could be used as a powerful oral dosage form to improve the flow ability and oral bioavailability of PLAG, an oily drug.
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Wong ALA, Xiang X, Ong PS, Mitchell EQY, Syn N, Wee I, Kumar AP, Yong WP, Sethi G, Goh BC, Ho PCL, Wang L. A Review on Liquid Chromatography-Tandem Mass Spectrometry Methods for Rapid Quantification of Oncology Drugs. Pharmaceutics 2018; 10:pharmaceutics10040221. [PMID: 30413076 PMCID: PMC6321130 DOI: 10.3390/pharmaceutics10040221] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 11/05/2018] [Indexed: 12/31/2022] Open
Abstract
In the last decade, the tremendous improvement in the sensitivity and also affordability of liquid chromatography-tandem mass spectrometry (LC-MS/MS) has revolutionized its application in pharmaceutical analysis, resulting in widespread employment of LC-MS/MS in determining pharmaceutical compounds, including anticancer drugs in pharmaceutical research and also industries. Currently, LC-MS/MS has been widely used to quantify small molecule oncology drugs in various biological matrices to support preclinical and clinical pharmacokinetic studies in R&D of oncology drugs. This mini-review article will describe the state-of-the-art LC-MS/MS and its application in rapid quantification of small molecule anticancer drugs. In addition, efforts have also been made in this review to address several key aspects in the development of rapid LC-MS/MS methods, including sample preparation, chromatographic separation, and matrix effect evaluation.
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Affiliation(s)
- Andrea Li-Ann Wong
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Haematology-Oncology, National University Health System, Singapore 119228, Singapore.
| | - Xiaoqiang Xiang
- School of Pharmacy, Fudan University, Shanghai 201203, China.
| | - Pei Shi Ong
- Department of Pharmacy, National University of Singapore, Singapore 117543, Singapore.
| | - Ee Qin Ying Mitchell
- Department of Pharmacy, National University of Singapore, Singapore 117543, Singapore.
| | - Nicholas Syn
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Haematology-Oncology, National University Health System, Singapore 119228, Singapore.
| | - Ian Wee
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Haematology-Oncology, National University Health System, Singapore 119228, Singapore.
| | - Alan Prem Kumar
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Pharmacology, Yong Loo Lin School of Medicine, Singapore 117597, Singapore.
| | - Wei Peng Yong
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Haematology-Oncology, National University Health System, Singapore 119228, Singapore.
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, Singapore 117597, Singapore.
| | - Boon Cher Goh
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Haematology-Oncology, National University Health System, Singapore 119228, Singapore.
- Department of Pharmacology, Yong Loo Lin School of Medicine, Singapore 117597, Singapore.
| | - Paul Chi-Lui Ho
- Department of Pharmacy, National University of Singapore, Singapore 117543, Singapore.
| | - Lingzhi Wang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore.
- Department of Pharmacology, Yong Loo Lin School of Medicine, Singapore 117597, Singapore.
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Identification of the primary determining factor(s) governing the oral absorption of edaravone in rats. Eur J Pharm Sci 2018; 123:312-320. [DOI: 10.1016/j.ejps.2018.07.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 07/04/2018] [Accepted: 07/26/2018] [Indexed: 12/19/2022]
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Kim KS, Yang ES, Kim DS, Kim DW, Yoo HH, Yong CS, Youn YS, Oh KT, Jee JP, Kim JO, Jin SG, Choi HG. A novel solid self-nanoemulsifying drug delivery system (S-SNEDDS) for improved stability and oral bioavailability of an oily drug, 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol. Drug Deliv 2017; 24:1018-1025. [PMID: 28675315 PMCID: PMC8240999 DOI: 10.1080/10717544.2017.1344335] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 06/08/2017] [Accepted: 06/15/2017] [Indexed: 02/06/2023] Open
Abstract
To develop a novel solid self-nanoemulsifying drug delivery system (S-SNEDDS) for a water-insoluble oily drug, 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) with improved stability and oral bioavailability, numerous S-SNEDDS were prepared with surfactant, hydrophilic polymer, antioxidant, and calcium silicate (porous carrier) using the spray-drying method. Their physicochemical properties were evaluated using emulsion droplet size analysis, SEM and PXRD. Moreover, the solubility, dissolution, stability, and pharmacokinetics of the selected S-SNEDDS were assessed compared with the drug and a commercial soft capsule. Sodium lauryl sulfate (SLS) and hydroxypropyl methylcellulose (HPMC) with the highest drug solubility were selected as surfactant and hydrophilic polymer, respectively. Among the antioxidants tested, only butylated hydroxyanisole (BHA) could completely protect the drug from oxidative degradation. The S-SNEDDS composed of PLAG/SLS/HPMC/BHA/calcium silicate at a weight ratio of 1: 0.25: 0.1: 0.0002: 0.5 provided an emulsion droplet size of less than 300 nm. In this S-SNEDDS, the drug and other ingredients might exist in the pores of carrier and attach onto its surface. It considerably improved the drug stability (about 100 vs. 70%, 60 °C for 5 d) and dissolution (about 80 vs. 20% in 60 min) compared to the commercial soft capsule. Moreover, the S-SNEDDS gave higher AUC, Cmax, and Tmax values than the commercial soft capsule; in particular, the former improved the oral bioavailability of PLAG by about 3-fold. Our results suggested that this S-SNEDDS provided excellent stability and oral bioavailability of PLAG. Thus, this S-SNEDDS would be recommended as a powerful oral drug delivery system for an oily drug, PLAG.
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Affiliation(s)
- Kyeong Soo Kim
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
| | - Eun Su Yang
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
| | - Dong Shik Kim
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
| | - Dong Wuk Kim
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
| | - Hye Hyun Yoo
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
| | - Chul Soon Yong
- College of Pharmacy, Yeungnam University, Gyongsan, South Korea
| | - Yu Seok Youn
- School of Pharmacy, Sungkyunkwan University, Jangan-gu, Suwon, South Korea
| | - Kyung Taek Oh
- College of Pharmacy, Chung-Ang University, Seoul, South Korea
| | - Jun-Pil Jee
- College of Pharmacy, Chosun University, Gwangju, South Korea
| | - Jong Oh Kim
- College of Pharmacy, Yeungnam University, Gyongsan, South Korea
| | - Sung Giu Jin
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
- Department of Pharmaceutical Engineering, Dankook University, Cheonan, South Korea
| | - Han Gon Choi
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, Sangnok-gu, Ansan, South Korea
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