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Schink C, Spielvogel S, Imhof W. Synthesis of 13 C-labelled ω-hydroxy carboxylic acids of the general formula HO 2 13 C-(CH 2 ) n -CH 2 OH or HO 2 C-(CH 2 ) n - 13 CH 2 OH (n = 12, 16, 20, 28). J Labelled Comp Radiopharm 2021; 64:385-402. [PMID: 34157793 DOI: 10.1002/jlcr.3931] [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: 04/28/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 11/09/2022]
Abstract
13 C-labelled ω-hydroxy-carboxylic acids HO2 13 C-(CH2 )n -CH2 OH or HO2 C-(CH2 )n -13 CH2 OH (n = 12, 16, 20, 28) with 13 C labels selectively introduced either at the carboxy group or at the primary alcohol function at the end of the hydrocarbon chain have been synthesized. Different synthetic strategies had to be applied depending on the position of the label, the chain length of the respective synthetic target and due to economic considerations. 13 C labels in general were introduced by nucleophilic substitution of a suitable leaving group with labelled potassium cyanide and subsequent hydrolysis of the nitriles to produce the corresponding labelled carboxy functions, which may also be reduced to give the labelled primary alcohol group. All new compounds are characterized by GC/MS, IR and NMR methods as well as by elemental analysis.
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Affiliation(s)
- Carina Schink
- Institute of Integrated Natural Sciences, University Koblenz - Landau, Koblenz, Germany
| | - Sandra Spielvogel
- Institute of Plant Nutrition and Soil Science, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Wolfgang Imhof
- Institute of Integrated Natural Sciences, University Koblenz - Landau, Koblenz, Germany
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2
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Kongmanas K, Saewu A, Kiattiburut W, Baker MA, Faull KF, Burger D, Tanphaichitr N. Accumulation of Seminolipid in Sertoli Cells Is Associated with Increased Levels of Reactive Oxygen Species and Male Subfertility: Studies in Aging Arsa Null Male Mice. Antioxidants (Basel) 2021; 10:antiox10060912. [PMID: 34199863 PMCID: PMC8227610 DOI: 10.3390/antiox10060912] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 12/31/2022] Open
Abstract
Seminolipid (also known as sulfogalactosylglycerolipid-SGG), present selectively in male germ cells, plays important roles in spermatogenesis and sperm–egg interaction. The proper degradation of SGG in apoptotic germ cells is also as important. Sertoli cells first phagocytose apoptotic germ cells, then Sertoli lysosomal arylsulfatase A (ARSA) desulfates SGG, the first step of SGG degradation. We have reported that aging male Arsa−/− mice become subfertile with SGG accumulation in Sertoli cell lysosomes, typical of a lysosomal storage disorder (LSD). Since reactive oxygen species (ROS) levels are increased in other glycolipid-accumulated LSDs, we quantified ROS in Arsa−/− Sertoli cells. Our analyses indicated increases in superoxide and H2O2 in Arsa−/− Sertoli cells with elevated apoptosis rates, relative to WT counterparts. Excess H2O2 from Arsa−/− Sertoli cells could travel into testicular germ cells (TGCs) to induce ROS production. Our results indeed indicated higher superoxide levels in Arsa−/− TGCs, compared with WT TGCs. Increased ROS levels in Arsa−/− Sertoli cells and TGCs likely caused the decrease in spermatogenesis and increased the abnormal sperm population in aging Arsa−/− mice, including the 50% decrease in sperm SGG with egg binding ability. In summary, our study indicated that increased ROS production was the mechanism through which subfertility manifested following SGG accumulation in Sertoli cells.
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Affiliation(s)
- Kessiri Kongmanas
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada; (K.K.); (A.S.); (W.K.); (D.B.)
- Department of Biochemistry, Microbiology, Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
- Division of Dengue Hemorrhagic Fever Research/Siriraj Center of Research Excellence in Dengue and Emerging Pathogens, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Siriraj Metabolomics and Phenomics Center, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Arpornrad Saewu
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada; (K.K.); (A.S.); (W.K.); (D.B.)
| | - Wongsakorn Kiattiburut
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada; (K.K.); (A.S.); (W.K.); (D.B.)
| | - Mark A Baker
- Department of Biological Science, University of Newcastle, Callaghan, NSW 2308, Australia;
| | - Kym F Faull
- Pasarow Mass Spectrometry Laboratory, University of California, Los Angeles, CA 90024, USA;
| | - Dylan Burger
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada; (K.K.); (A.S.); (W.K.); (D.B.)
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Nongnuj Tanphaichitr
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada; (K.K.); (A.S.); (W.K.); (D.B.)
- Department of Biochemistry, Microbiology, Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
- Department of Obstetrics & Gynecology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8L6, Canada
- Correspondence: ; Tel.: +1-(613)-737-8899 (ext. 72793); Fax: +1-(613)-739-6968
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Schink C, Spielvogel S, Imhof W. Synthesis of 13 C-labelled cutin and suberin monomeric dicarboxylic acids of the general formula HO 2 13 C-(CH 2 ) n - 13 CO 2 H (n = 10, 12, 14, 16, 18, 20, 22, 24, 26, 28). J Labelled Comp Radiopharm 2020; 64:14-29. [PMID: 33063895 DOI: 10.1002/jlcr.3885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 10/01/2020] [Accepted: 10/06/2020] [Indexed: 12/11/2022]
Abstract
13 C-labeled dicarboxylic acids HO2 13 C-(CH2 )n -13 CO2 H (n = 10, 12, 14, 16, 18, 20, 22, 24, 26, 28) have been synthesized as internal standards for LC-MS and GC-MS analysis of cutin and suberin monomer degradation by soil-based microorganisms. Different synthetic strategies had to be applied depending on the chain length of the respective synthetic target and because of economic considerations. 13 C-labels were introduced by nucleophilic substitution of a suitable leaving group with labelled potassium cyanide and subsequent hydrolysis of the nitriles to produce the corresponding dicarboxylic acids. All new compounds are characterized by GC/MS, IR, and NMR methods as well as by elemental analysis.
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Affiliation(s)
- Carina Schink
- Institute of Integrated Natural Sciences, University Koblenz-Landau, Koblenz, Germany
| | - Sandra Spielvogel
- Institute of Plant Nutrition and Soil Science, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Wolfgang Imhof
- Institute of Integrated Natural Sciences, University Koblenz-Landau, Koblenz, Germany
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Shimada N, Fukuhara K, Urata S, Makino K. Total syntheses of seminolipid and its analogues by using 2,6-bis(trifluoromethyl)phenylboronic acid as protective reagent. Org Biomol Chem 2019; 17:7325-7329. [PMID: 31353379 DOI: 10.1039/c9ob01445d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A concise total synthesis of seminolipid, a sulfoglycolipid, has been achieved; key features include regioselective, tin-free sulfation of allyl β-d-galactopyranoside using 2,6-bis(trifluoromethyl)phenylboronic acid as protective reagent, stereoselective epoxidation, and site-selective acylation. The utility of this divergent synthetic approach to introduce 2,2,2-trichloroethyl-protected sulfate group at an early stage without toxic and environmentally unfavorable tin reagents was demonstrated by the syntheses of three seminolipid analogues with different side-chains from the common intermediate.
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Affiliation(s)
- Naoyuki Shimada
- Department of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minatao-ku, Tokyo 108-8641, Japan.
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Tanphaichitr N, Kongmanas K, Faull KF, Whitelegge J, Compostella F, Goto-Inoue N, Linton JJ, Doyle B, Oko R, Xu H, Panza L, Saewu A. Properties, metabolism and roles of sulfogalactosylglycerolipid in male reproduction. Prog Lipid Res 2018; 72:18-41. [PMID: 30149090 PMCID: PMC6239905 DOI: 10.1016/j.plipres.2018.08.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 08/20/2018] [Accepted: 08/21/2018] [Indexed: 12/16/2022]
Abstract
Sulfogalactosylglycerolipid (SGG, aka seminolipid) is selectively synthesized in high amounts in mammalian testicular germ cells (TGCs). SGG is an ordered lipid and directly involved in cell adhesion. SGG is indispensable for spermatogenesis, a process that greatly depends on interaction between Sertoli cells and TGCs. Spermatogenesis is disrupted in mice null for Cgt and Cst, encoding two enzymes essential for SGG biosynthesis. Sperm surface SGG also plays roles in fertilization. All of these results indicate the significance of SGG in male reproduction. SGG homeostasis is also important in male fertility. Approximately 50% of TGCs become apoptotic and phagocytosed by Sertoli cells. SGG in apoptotic remnants needs to be degraded by Sertoli lysosomal enzymes to the lipid backbone. Failure in this event leads to a lysosomal storage disorder and sub-functionality of Sertoli cells, including their support for TGC development, and consequently subfertility. Significantly, both biosynthesis and degradation pathways of the galactosylsulfate head group of SGG are the same as those of sulfogalactosylceramide (SGC), a structurally related sulfoglycolipid important for brain functions. If subfertility in males with gene mutations in SGG/SGC metabolism pathways manifests prior to neurological disorder, sperm SGG levels might be used as a reporting/predicting index of the neurological status.
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Affiliation(s)
- Nongnuj Tanphaichitr
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Department of Obstetrics/Gynecology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Department of Biochemistry, Microbiology, Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
| | - Kessiri Kongmanas
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Department of Biochemistry, Microbiology, Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Division of Dengue Hemorrhagic Fever Research, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Kym F Faull
- Pasarow Mass Spectrometry Laboratory, University of California, Los Angeles, California, USA
| | - Julian Whitelegge
- Pasarow Mass Spectrometry Laboratory, University of California, Los Angeles, California, USA
| | - Federica Compostella
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Via Saldini 50, 20133 Milano, Italy
| | - Naoko Goto-Inoue
- Department of Marine Science and Resources, College of Bioresource Sciences, Nihon University, Kanagawa 252-0880, Japan
| | - James-Jules Linton
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Brendon Doyle
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Department of Biochemistry, Microbiology, Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Richard Oko
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Hongbin Xu
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Department of Biochemistry, Microbiology, Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Luigi Panza
- Department of Pharmaceutical Sciences, Università del Piemonte Orientale, Largo Donegani 2, 28100 Novara, Italy
| | - Arpornrad Saewu
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
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Lafont D, Boullanger P, Gambetta A. Syntheses of deuterium-labelled cholesteryl neoglycolipids. J Labelled Comp Radiopharm 2012. [DOI: 10.1002/jlcr.1961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Xu H, Kongmanas K, Kadunganattil S, Smith CE, Rupar T, Goto-Inoue N, Hermo L, Faull KF, Tanphaichitr N. Arylsulfatase A deficiency causes seminolipid accumulation and a lysosomal storage disorder in Sertoli cells. J Lipid Res 2011; 52:2187-2197. [PMID: 21965315 DOI: 10.1194/jlr.m019661] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Sulfogalactosylglycerolipid (SGG) is the major sulfoglycolipid of male germ cells. During spermatogenesis, apoptosis occurs in >50% of total germ cells. Sertoli cells phagocytose these apoptotic germ cells and degrade their components using lysosomal enzymes. Here we demonstrated that SGG was a physiological substrate of Sertoli lysosomal arylsulfatase A (ARSA). SGG accumulated in Sertoli cells of Arsa(-/-) mice, and at 8 months of age, this buildup led to lysosomal swelling and other cellular abnormalities typical of a lysosomal storage disorder. This disorder likely compromised Sertoli cell functions, manifesting as impaired spermatogenesis and production of sperm with near-zero fertilizing ability in vitro. Fecundity of Arsa(-/-) males was thus reduced when they were older than 5 months. Sperm SGG is known for its roles in fertilization. Therefore, the minimal sperm fertilizing ability of 8-month-old Arsa(-/-) males may be explained by the 50% reduction of their sperm SGG levels, a result that was also observed in testicular germ cells. These unexpected decreases in SGG levels might be partly due to depletion of the backbone lipid palmitylpalmitoylglycerol that is generated from the SGG degradation pathway in Sertoli cells and normally recycled to new generations of primary spermatocytes for SGG synthesis.
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Affiliation(s)
- Hongbin Xu
- Chronic Diseases Program, Ottawa Hospital Research Institute, Ottawa, ON K1Y4E9, Canada; Department of Biochemistry/Microbiology/Immunology University of Ottawa, Ottawa ON K1H8M5, Canada
| | - Kessiri Kongmanas
- Chronic Diseases Program, Ottawa Hospital Research Institute, Ottawa, ON K1Y4E9, Canada; Department of Biochemistry/Microbiology/Immunology University of Ottawa, Ottawa ON K1H8M5, Canada
| | - Suraj Kadunganattil
- Chronic Diseases Program, Ottawa Hospital Research Institute, Ottawa, ON K1Y4E9, Canada; Department of Biochemistry/Microbiology/Immunology University of Ottawa, Ottawa ON K1H8M5, Canada; Department of Obstetrics/Gynaecology, Faculty of Medicine, University of Ottawa, Ottawa ON K1H8M5, Canada
| | - Charles E Smith
- Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec H3A2B2, Canada
| | - Tony Rupar
- Departments of Pediatrics University of Western Ontario, London, ON N6A5W9, Canada; Biochemistry, University of Western Ontario, London, ON N6A5W9, Canada
| | - Naoko Goto-Inoue
- Department of Molecular Anatomy, Hamamatsu University School of Medicine, Shizuoka 431-3192, Japan; and
| | - Louis Hermo
- Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec H3A2B2, Canada
| | - Kym F Faull
- Pasarow Mass Spectrometry Laboratory, NPI-Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, CA 90024
| | - Nongnuj Tanphaichitr
- Chronic Diseases Program, Ottawa Hospital Research Institute, Ottawa, ON K1Y4E9, Canada; Department of Biochemistry/Microbiology/Immunology University of Ottawa, Ottawa ON K1H8M5, Canada; Department of Obstetrics/Gynaecology, Faculty of Medicine, University of Ottawa, Ottawa ON K1H8M5, Canada.
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Kongmanas K, Xu H, Yaghoubian A, Franchini L, Panza L, Ronchetti F, Faull K, Tanphaichitr N. Quantification of seminolipid by LC-ESI-MS/MS-multiple reaction monitoring: compensatory levels in Cgt(+/⁻) mice. J Lipid Res 2010; 51:3548-58. [PMID: 20817833 DOI: 10.1194/jlr.d010116] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Seminolipid, also known as sulfogalactosylglycerolipid (SGG), plays important roles in male reproduction. Therefore, an accurate and sensitive method for SGG quantification in testes and sperm is needed. Here we compare SGG quantitation by the traditional colorimetric Azure A assay with LC-ESI-MS/MS using multiple reaction monitoring (MRM). Inclusion of deuterated SGG as the internal standard endowed accuracy to the MRM method. The results showed reasonable agreement between the two procedures for purified samples, but for crude lipid extracts, the colorimetric assay significantly overestimated the SGG content. Using ESI-MS/MS MRM, C16:0-alkyl/C16:0-acyl SGG of Cgt(+/⁻) mice was quantified to be 406.06 ± 23.63 μg/g testis and 0.13 ± 0.02 μg/million sperm, corresponding to 78% and 87% of the wild-type values, respectively. CGT (ceramide galactosyltransferase) is a critical enzyme in the SGG biosynthesis pathway. Cgt⁻/⁻ males depleted of SGG are infertile due to spermatogenesis arrest. However, Cgt(+/⁻) males sire offspring. The higher than 50% expression level of SGG in Cgt(+/⁻) animals, compared with the wild-type expression, might be partly due to compensatory translation of the active CGT enzyme. The results also indicated that 78% of SGG levels in Cgt(+/⁻) mice were sufficient for normal spermatogenesis.
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Affiliation(s)
- Kessiri Kongmanas
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
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Franchini L, Compostella F, Colombo D, Panza L, Ronchetti F. Synthesis of the Sulfonate Analogue of Seminolipid via Horner−Wadsworth−Emmons Olefination. J Org Chem 2010; 75:5363-6. [DOI: 10.1021/jo1008788] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Laura Franchini
- Dipartimento di Chimica, Biochimica e Biotecnologie per la Medicina, Università di Milano, Via Saldini 50, 20133-Milano, Italy
| | - Federica Compostella
- Dipartimento di Chimica, Biochimica e Biotecnologie per la Medicina, Università di Milano, Via Saldini 50, 20133-Milano, Italy
| | - Diego Colombo
- Dipartimento di Chimica, Biochimica e Biotecnologie per la Medicina, Università di Milano, Via Saldini 50, 20133-Milano, Italy
| | - Luigi Panza
- Dipartimento di Scienze Chimiche, Alimentari, Farmaceutiche e Farmacologiche, Università del Piemonte Orientale, Via Bovio 6, 28100-Novara, Italy
| | - Fiamma Ronchetti
- Dipartimento di Chimica, Biochimica e Biotecnologie per la Medicina, Università di Milano, Via Saldini 50, 20133-Milano, Italy
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