1
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Ali H, Yamanishi M, Sunagawa K, Kumon M, Hasi RY, Aihara M, Kawakami R, Tanaka T. Protective effect of oleic acid against very long-chain fatty acid-induced apoptosis in peroxisome-deficient CHO cells. Biochim Biophys Acta Mol Cell Biol Lipids 2024; 1869:159452. [PMID: 38244676 DOI: 10.1016/j.bbalip.2024.159452] [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: 12/19/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
Very long-chain fatty acids (VLCFAs) are degraded exclusively in peroxisomes, as evidenced by the accumulation of VLCFAs in patients with certain peroxisomal disorders. Although accumulation of VLCFAs is considered to be associated with health issues, including neuronal degeneration, the mechanisms underlying VLCFAs-induced tissue degeneration remain unclear. Here, we report the toxic effect of VLCFA and protective effect of C18: 1 FA in peroxisome-deficient CHO cells. We examined the cytotoxicity of saturated and monounsaturated VLCFAs with chain-length at C20-C26, and found that longer and saturated VLCFA showed potent cytotoxicity at lower accumulation levels. Furthermore, the extent of VLCFA-induced toxicity was found to be associated with a decrease in cellular C18:1 FA levels. Notably, supplementation with C18:1 FA effectively rescued the cells from VLCFA-induced apoptosis without reducing the cellular VLCFAs levels, implying that peroxisome-deficient cells can survive in the presence of accumulated VLCFA, as long as the cells keep sufficient levels of cellular C18:1 FA. These results suggest a therapeutic potential of C18:1 FA in peroxisome disease and may provide new insights into the pharmacological effect of Lorenzo's oil, a 4:1 mixture of C18:1 and C22:1 FA.
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Affiliation(s)
- Hanif Ali
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Mone Yamanishi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Keigo Sunagawa
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Mizuki Kumon
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Rumana Yesmin Hasi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Mutsumi Aihara
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan.
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2
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Takai Y, Hasi RY, Matsumoto N, Fujita C, Ali H, Hayashi J, Kawakami R, Aihara M, Ishikawa T, Imai H, Wakida M, Ando K, Tanaka T. Degradation of glycosylinositol phosphoceramide during plant tissue homogenization. J Biochem 2023; 175:115-124. [PMID: 37827526 DOI: 10.1093/jb/mvad080] [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: 07/15/2023] [Revised: 09/15/2023] [Accepted: 10/05/2023] [Indexed: 10/14/2023] Open
Abstract
A convenient method for the determination of plant sphingolipids (glycosylinositol phosphoceramide, GIPC; glucosylceramide, GluCer; phytoceramide 1-phosphate, PC1P and phytoceramide, PCer) was developed. This method includes the extraction of lipids using 1-butanol, alkali hydrolysis with methylamine and separation by TLC. The amounts of sphingolipids in the sample were determined based on the relative intensities of standard sphingolipids visualized by primulin/UV on TLC. Using this method, we found that almost all GIPCs were degraded in response to tissue homogenization in cruciferous plants (cabbage, broccoli and Arabidopsis thaliana). The decrease in GIPCs was compensated for by increases in PC1P and PCer, indicating that GIPC was degraded by hydrolysis at the D and C positions of GIPC, respectively. In carrot roots and leaves, most of GIPC degradation was compensated for by an increase in PCer. In rice roots, the decrease in GIPCs was not fully explained by the increases in PC1P and PCer, indicating that enzymes other than phospholipase C and D activities operated. As the visualization of lipids on TLC is useful for detecting the appearance or disappearance of lipids, this method will be available for the characterization of metabolism of sphingolipids in plants.
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Affiliation(s)
- Yoshimichi Takai
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Rumana Yesmin Hasi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Naoko Matsumoto
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Chiho Fujita
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Hanif Ali
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Junji Hayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Mutsumi Aihara
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Toshiki Ishikawa
- Graduate School of Science and Engineering, Saitama University, Saitama 338-8570, Japan
| | - Hiroyuki Imai
- Department of Biology, Graduate School of Natural Science, Konan University, Kobe 658-8501, Japan
| | - Mayuko Wakida
- Department of Sustainable System R&D JTEKT Corporation, Kariya 448-8652, Japan
| | - Kazuya Ando
- Department of Sustainable System R&D JTEKT Corporation, Kariya 448-8652, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
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3
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Ali H, Kobayashi M, Morito K, Hasi RY, Aihara M, Hayashi J, Kawakami R, Tsuchiya K, Sango K, Tanaka T. Peroxisomes attenuate cytotoxicity of very long-chain fatty acids. Biochim Biophys Acta Mol Cell Biol Lipids 2023; 1868:159259. [PMID: 36460260 DOI: 10.1016/j.bbalip.2022.159259] [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: 07/15/2022] [Revised: 10/13/2022] [Accepted: 11/10/2022] [Indexed: 12/02/2022]
Abstract
One of the major functions of peroxisomes in mammals is oxidation of very long-chain fatty acids (VLCFAs). Genetic defects in peroxisomal β-oxidation result in the accumulation of VLCFAs and lead to a variety of health problems, such as demyelination of nervous tissues. However, the mechanisms by which VLCFAs cause tissue degeneration have not been fully elucidated. Recently, we found that the addition of small amounts of isopropanol can enhance the solubility of saturated VLCFAs in an aqueous medium. In this study, we characterized the biological effect of extracellular VLCFAs in peroxisome-deficient Chinese hamster ovary (CHO) cells, neural crest-derived pheochromocytoma cells (PC12), and immortalized adult Fischer rat Schwann cells (IFRS1) using this solubilizing technique. C20:0 FA was the most toxic of the C16-C26 FAs tested in all cells. The basis of the toxicity of C20:0 FA was apoptosis and was observed at 5 μM and 30 μM in peroxisome-deficient and wild-type CHO cells, respectively. The sensitivity of wild-type CHO cells to cytotoxic C20:0 FA was enhanced in the presence of a peroxisomal β-oxidation inhibitor. Further, a positive correlation was evident between cell toxicity and the extent of intracellular accumulation of toxic FA. These results suggest that peroxisomes are pivotal in the detoxification of apoptotic VLCFAs by preventing their accumulation.
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Affiliation(s)
- Hanif Ali
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan; Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Miyu Kobayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Katsuya Morito
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Rumana Yesmin Hasi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Mutsumi Aihara
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Junji Hayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Koichiro Tsuchiya
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan.
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4
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Hasi RY, Ishikawa T, Sunagawa K, Takai Y, Ali H, Hayashi J, Kawakami R, Yuasa K, Aihara M, Kanemaru K, Imai H, Tanaka T. Nonspecific phospholipase C3 of radish has phospholipase D activity towards glycosylinositol phosphoceramide. FEBS Lett 2022; 596:3024-3036. [PMID: 36266963 DOI: 10.1002/1873-3468.14520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 12/14/2022]
Abstract
Glycosylinositol phosphoceramide (GIPC) is a major sphingolipid in the plasma membranes of plants. Previously, we found an enzyme activity that produces phytoceramide 1-phosphate (PC1P) by hydrolysis of the D position of GIPC in cabbage and named this activity as GIPC-phospholipase D (PLD). Here, we purified GIPC-PLD by sequential chromatography from radish roots. Peptide mass fingerprinting analysis revealed that the potential candidate for GIPC-PLD protein was nonspecific phospholipase C3 (NPC3), which has not been characterized as a PLD. The recombinant NPC3 protein obtained by heterologous expression system in Escherichia coli produced PC1P from GIPC and showed essentially the same enzymatic properties as those we characterized as GIPC-PLD in cabbage, radish and Arabidopsis thaliana. From these results, we conclude that NPC3 is one of the enzymes that degrade GIPC.
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Affiliation(s)
- Rumana Yesmin Hasi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Toshiki Ishikawa
- Graduate School of Science and Engineering, Saitama University, Japan
| | - Keigo Sunagawa
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Yoshimichi Takai
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Hanif Ali
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Junji Hayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Keizo Yuasa
- Graduate School of Science and Engineering, Setsunan University, Neyagawa, Japan
| | - Mutsumi Aihara
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Kaori Kanemaru
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
| | - Hiroyuki Imai
- Graduate School of Natural Science, Konan University, Kobe, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Japan
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5
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Ali H, Hasi RY, Islam M, Haque MS, Alkhanani MF, Almalki AH, Haque S, Sayyed RZ, Yeasmin T. Antioxidant, cytotoxic and apoptotic activities of the rhizome of Zingiber zerumbet Linn. in Ehrlich ascites carcinoma bearing Swiss albino mice. Sci Rep 2022; 12:12150. [PMID: 35840634 PMCID: PMC9287333 DOI: 10.1038/s41598-022-15498-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/24/2022] [Indexed: 11/09/2022] Open
Abstract
Due to having a long history of traditional uses as a functional food, Zingiber zerumbet was selected here to explore the inherent antioxidant and antineoplastic activities of methanolic extract of its rhizome (MEZZR) against Ehrlich ascites carcinoma (EAC) cells. The rich polyphenol containing MEZZR showed a marked DPPH, ABTS, nitric oxide radicals and lipid peroxidation inhibition activity with an IC50 of 3.43 ± 1.25, 11.38 ± 1.39, 23.12 ± 3.39 and 16.47 ± 1.47 µg/ml, respectively, when compared to the standard catechin. In vivo, MEZZR significantly inhibited EAC cell growth, decreased body weight gain, increased life span and restored the altered hematological characteristics of EAC-bearing mice. Moreover, MEZZR induced nuclear condensation and fragmentation, which are notable features of apoptosis as observed by fluorescence microscopy after staining EAC cells of MEZZR-treated mice with Hoechst 33342. Additionally, in vitro, the cell growth inhibition caused by the MEZZR in MTT assay, was remarkably decreased in the presence of caspase-3, -8 and -9 inhibitors. This study thus suggests that MEZZR may possess promising antiproliferative efficacy against EAC cells by inducing cell apoptosis.
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Affiliation(s)
- Hanif Ali
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Rumana Yesmin Hasi
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Majidul Islam
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Shajedul Haque
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Mustfa F Alkhanani
- Biology Department, College of Sciences, University of Hafr Al Batin, P. O. Box 1803, Hafr Al Batin, 31991, Saudi Arabia
| | - 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, College of Pharmacy, Taif University, Al-Hawiah, Taif, 21944, Saudi Arabia
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, 45142, Saudi Arabia.,Faculty of Medicine, Bursa Uludağ University, Görükle Campus, 16059, Nilüfer, Bursa, Turkey
| | - R Z Sayyed
- Department of Microbiology, PSGVP Mandal's S I Patil Arts, G B Patel Science and STKVS Commerce College, Shahada, 425409, India.
| | - Tanzima Yeasmin
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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6
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Ali H, Morito K, Hasi RY, Aihara M, Hayashi J, Kawakami R, Kanemaru K, Tsuchiya K, Sango K, Tanaka T. Characterization of uptake and metabolism of very long-chain fatty acids in peroxisome-deficient CHO cells. Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1867:159088. [PMID: 34848380 DOI: 10.1016/j.bbalip.2021.159088] [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: 08/21/2021] [Revised: 10/29/2021] [Accepted: 11/21/2021] [Indexed: 11/24/2022]
Abstract
Fatty acids (FAs) longer than C20 are classified as very long-chain fatty acids (VLCFAs). Although biosynthesis and degradation of VLCFAs are important for the development and integrity of the myelin sheath, knowledge on the incorporation of extracellular VLCFAs into the cells is limited due to the experimental difficulty of solubilizing them. In this study, we found that a small amount of isopropanol solubilized VLCFAs in aqueous medium by facilitating the formation of the VLCFA/albumin complex. Using this solubilizing technique, we examined the role of the peroxisome in the uptake and metabolism of VLCFAs in Chinese hamster ovary (CHO) cells. When wild-type CHO cells were incubated with saturated VLCFAs (S-VLCFAs), such as C23:0 FA, C24:0 FA, and C26:0 FA, extensive uptake was observed. Most of the incorporated S-VLCFAs were oxidatively degraded without acylation into cellular lipids. In contrast, in peroxisome-deficient CHO cells uptake of S-VLCFAs was marginal and oxidative metabolism was not observed. Extensive uptake and acylation of monounsaturated (MU)-VLCFAs, such as C24:1 FA and C22:1 FA, were observed in both types of CHO cells. However, oxidative metabolism was evident only in wild-type cells. Similar manners of uptake and metabolism of S-VLCFAs and MU-VLCFAs were observed in IFRS1, a Schwan cell-derived cell line. These results indicate that peroxisome-deficient cells limit intracellular S-VLCFAs at a low level by halting uptake, and as a result, peroxisome-deficient cells almost completely lose the clearance ability of S-VLCFAs accumulated outside of the cells.
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Affiliation(s)
- Hanif Ali
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Katsuya Morito
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Rumana Yesmin Hasi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Mutsumi Aihara
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Junji Hayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Kaori Kanemaru
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Koichiro Tsuchiya
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan.
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7
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Hasi RY, Majima D, Morito K, Ali H, Kogure K, Nanjundan M, Hayashi J, Kawakami R, Kanemaru K, Tanaka T. Isolation of glycosylinositol phosphoceramide and phytoceramide 1-phosphate in plants and their chemical stabilities. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1152:122213. [PMID: 32615533 DOI: 10.1016/j.jchromb.2020.122213] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 03/18/2020] [Revised: 05/13/2020] [Accepted: 06/02/2020] [Indexed: 11/17/2022]
Abstract
Glycosylinositol phosphoceramide (GIPC) is a sphingophospholipid in plants. Recently, we identified that GIPC is hydrolyzed to phytoceramide 1-phosphate (PC1P) by an uncharacterized phospholipase D activity following homogenization of certain plant tissues. We now developed methods for isolation of GIPC and PC1P from plant tissues and characterized their chemical stabilities. Hydrophilic solvents, namely a lower layer of a mixed solvent system consisting of isopropanol/hexane/water (55:20:25, v/v/v) was efficient solvent for extraction and eluent in column chromatography. GIPC was isolated by Sephadex column chromatography followed by TLC. A conventional method, such as the Bligh and Dyer method, was applicable for PC1P extraction. Specifically, PC1P was isolated by TLC following mild alkali treatment of lipid extracts of plants. The yields of GIPC and PC1P in our methods were both around 50-70%. We found that PC1P is tolerant against heat (up to 125 °C), strong acid (up to 10 M HCl), and mild alkali (0.1 M KOH). In contrast, significant degradation of GIPC occurred at 100 °C and 1.0 M HCl treatment, suggesting the instability of the inositol glycan moiety in these conditions. These data will be useful for further biochemical and nutritional studies on these sphingolipids.
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Affiliation(s)
- Rumana Yesmin Hasi
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Dai Majima
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Katsuya Morito
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Hanif Ali
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Kentaro Kogure
- Graduate School of Biomedical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Meera Nanjundan
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Junji Hayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Kaori Kanemaru
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan
| | - Tamotsu Tanaka
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8513, Japan.
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8
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Hasi RY, Miyagi M, Kida T, Fukuta T, Kogure K, Hayashi J, Kawakami R, Kanemaru K, Tanaka T. Quantitative Analysis of Glycosylinositol Phosphoceramide and Phytoceramide 1-Phosphate in Vegetables. J Nutr Sci Vitaminol (Tokyo) 2020; 65:S175-S179. [PMID: 31619623 DOI: 10.3177/jnsv.65.s175] [Citation(s) in RCA: 4] [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] [Indexed: 11/27/2022]
Abstract
Previously, we found an unidentified sphingolipid in cabbage, and determined it as phytoceramide 1-phosphate (PC1P). PC1P is found to be produced from glycosylinositol phosphoceramide (GIPC) by the action of phospholipase D (PLD) activity. Although GIPC is abundant sphingolipid, especially in cruciferous vegetables, amount of daily intake, digestibility and nutritional activity of GIPC are not well understood. Here, we investigated amounts of GIPC and PC1P in vegetables. GIPC was found in all vegetables examined (13 kinds) at levels 3-20 mg/100 g (wet weight). On the other hand, PC1P was present in limited vegetables which show higher GIPC-PLD activity, such as inner cabbage leaves (5.2 mg/100 g). Because PC1P is formed during homogenization by activated GIPC-PLD, level of PC1P in boiled cabbage leaves was very low. Although digestibility of GIPC is unknown at present, a portion of dietary GIPC is considered to be converted to PC1P during mastication by plant-derived GIPC-PLD activity in some vegetables.
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Affiliation(s)
| | - Makoto Miyagi
- Graduate School of Biomedical Sciences, Tokushima University
| | - Takashi Kida
- Graduate School of Biomedical Sciences, Tokushima University
| | - Tatsuya Fukuta
- Graduate School of Biomedical Sciences, Tokushima University
| | - Kentaro Kogure
- Graduate School of Biomedical Sciences, Tokushima University
| | - Junji Hayashi
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University
| | - Ryushi Kawakami
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University
| | - Kaori Kanemaru
- Graduate School of Technology, Industrial and Social Sciences, Tokushima University
| | - Tamotsu Tanaka
- Graduate School of Biomedical Sciences, Tokushima University.,Graduate School of Technology, Industrial and Social Sciences, Tokushima University
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Hasi RY, Ali H, Islam M, Habib R, Satter MA, Yeasmin T. Antioxidant and antineoplastic activities of roots of Hibiscus sabdariffa Linn. Against Ehrlich ascites carcinoma cells. Clin Phytosci 2019. [DOI: 10.1186/s40816-019-0147-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The goal of this study was to explore the inherent antioxidant and antineoplastic activities of methanolic extract of the roots of Hibiscus sabdariffa (MEHSR).
Methods
The dried coarse powder of roots of Hibiscus sabdariffa was subjected to methanolic extraction. Here in vitro methods were used to determine the various types of phytochemical content and antioxidant activity of MEHSR as well as its cytotoxic effect against Ehrlich ascites carcinoma (EAC) cells. In vivo, antineoplastic activity of MEHSR against EAC cells was also evaluated by determining the viable tumor cell count, survival time, body weight gain, hematological profiles of experimental mice along with observing morphological changes of EAC cells by fluorescence microscope. Analysis of the chemical composition of MEHSR was carried out using GC-MS.
Results
Total phenolic and flavonoid contents of MEHSR were found to be 143.36 and 82.81 mg/g of extract in terms of gallic acid and catechin equivalent, respectively. The MEHSR exhibited very good scavenging property on DPPH (IC50: 13.37 μg/mL) and ABTS (IC50: 18.88 μg/mL) radicals in respect to nitric oxide (IC50: 72.82 μg/mL) radical and lipid peroxidation (IC50: 75.78 μg/mL) inhibition. MEHSR was found to induce Ehrlich ascites carcinoma (EAC) cell death at a dose dependent fashion. At dose 10 mg/kg, MEHSR significantly inhibited tumor cell growth rate (62.24%; p < 0.05), decreased tumor weight (57.81%; p < 0.05), increased life span (38.97%) compared to the untreated control mice. MEHSR also restored all hematological parameters of EAC-bearing mice towards normal level. Furthermore, administration of MEHSR induced apoptosis of EAC cells as observed in Hoechst 33342 stained cells under fluorescence microscope. Arachidic acid (49.18%), oleic acid (36.36%) and octadecanoic acid (14.47%) were identified as the major components of MEHSR by GC-MS analysis.
Conclusion
In a nutshell, our findings proposed that MEHSR may possess promising antioxidant and antineoplastic efficacy against Ehrlich ascites carcinoma cells by induction of cell apoptosis. Therefore, it might be a potent and novel candidate for anticancer therapy.
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Hasi RY, Miyagi M, Morito K, Ishikawa T, Kawai-Yamada M, Imai H, Fukuta T, Kogure K, Kanemaru K, Hayashi J, Kawakami R, Tanaka T. Glycosylinositol phosphoceramide-specific phospholipase D activity catalyzes transphosphatidylation. J Biochem 2019; 166:441-448. [DOI: 10.1093/jb/mvz056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 07/12/2019] [Indexed: 12/31/2022] Open
Abstract
AbstractGlycosylinositol phosphoceramide (GIPC) is the most abundant sphingolipid in plants and fungi. Recently, we detected GIPC-specific phospholipase D (GIPC-PLD) activity in plants. Here, we found that GIPC-PLD activity in young cabbage leaves catalyzes transphosphatidylation. The available alcohol for this reaction is a primary alcohol with a chain length below C4. Neither secondary alcohol, tertiary alcohol, choline, serine nor glycerol serves as an acceptor for transphosphatidylation of GIPC-PLD. We also found that cabbage GIPC-PLD prefers GIPC containing two sugars. Neither inositol phosphoceramide, mannosylinositol phosphoceramide nor GIPC with three sugar chains served as substrate. GIPC-PLD will become a useful catalyst for modification of polar head group of sphingophospholipid.
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Affiliation(s)
- Rumana Yesmin Hasi
- Department of Pharmaceutical Health Chemistry, Graduate School of Biomedical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, Japan
| | - Makoto Miyagi
- Department of Pharmaceutical Health Chemistry, Graduate School of Biomedical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, Japan
| | - Katsuya Morito
- Department of Pharmaceutical Health Chemistry, Graduate School of Biomedical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, Japan
| | - Toshiki Ishikawa
- Department of Environmental Science and Technology, Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, Japan
| | - Maki Kawai-Yamada
- Department of Environmental Science and Technology, Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, Japan
| | - Hiroyuki Imai
- Department of Biology, Graduate School of Natural Science, Konan University, 8-9-1 Okamoto, Higashinada-ku, Kobe, Japan
| | - Tatsuya Fukuta
- Department of Pharmaceutical Health Chemistry, Graduate School of Biomedical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, Japan
| | - Kentaro Kogure
- Department of Pharmaceutical Health Chemistry, Graduate School of Biomedical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, Japan
| | - Kaori Kanemaru
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijosanjima-cho, Tokushima, Japan
| | - Junji Hayashi
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijosanjima-cho, Tokushima, Japan
| | - Ryushi Kawakami
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijosanjima-cho, Tokushima, Japan
| | - Tamotsu Tanaka
- Department of Pharmaceutical Health Chemistry, Graduate School of Biomedical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, Japan
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijosanjima-cho, Tokushima, Japan
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