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Abstract
Sialic acids (Sias), a group of over 50 structurally distinct acidic saccharides on the surface of all vertebrate cells, are neuraminic acid derivatives. They serve as glycan chain terminators in extracellular glycolipids and glycoproteins. In particular, Sias have significant implications in cell-to-cell as well as host-to-pathogen interactions and participate in various biological processes, including neurodevelopment, neurodegeneration, fertilization, and tumor migration. However, Sia is also present in some of our daily diets, particularly in conjugated form (sialoglycans), such as those in edible bird's nest, red meats, breast milk, bovine milk, and eggs. Among them, breast milk, especially colostrum, contains a high concentration of sialylated oligosaccharides. Numerous reviews have concentrated on the physiological function of Sia as a cellular component of the body and its relationship with the occurrence of diseases. However, the consumption of Sias through dietary sources exerts significant influence on human health, possibly by modulating the gut microbiota's composition and metabolism. In this review, we summarize the distribution, structure, and biological function of particular Sia-rich diets, including human milk, bovine milk, red meat, and egg.
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Affiliation(s)
- Tiantian Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jianrong Wu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Xiaobei Zhan
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
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Fu B, Wu D, Yasumasu S, Hane M, Sato C, Kitajima K. Critical Role of the Cortical Alveolus Protease Alveolin in Chorion Hardening In Vivo at Medaka Fertilization. Biomolecules 2023; 13:biom13010146. [PMID: 36671531 PMCID: PMC9855834 DOI: 10.3390/biom13010146] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
Alveolin is a cortical alveolus proteinase that is secreted in the perivitelline space (PVS) at fertilization to act on the chorion. Purified alveolin is known to induce chorion hardening in vitro by processing zona pellucida B (ZPB), a major chorion component. However, in vivo function of alveolin remains unclear; thus, in this study, the effects of alveolin efficiency (Alv-/-) at the organism level were investigated using the medaka, Oryzias latipes. The Alv-/- fertilized eggs were mechanically fragile; however, they developed normally and left offspring as long as they were carefully handled before hatching. A mechanical press test showed that the Alv-/- fertilized eggs were six times more fragile than the wild-type eggs. They were 35% larger owing to the enlarged PVS, 34% thinner, and permeable to even 10 kDa FITC-dextran. These results are consistent with the transmission electron microscopy observation that the periphery of the inner layers was highly porous in the Alv-/- chorion. In chorion hardening, the alveolin-mediated processing of ZPB and the transglutaminase (TGase)-mediated crosslinking of chorion components are the key steps. This study was the first to show that alveolin also processed TGase concomitantly with ZPB, which greatly facilitated the crosslinking. Thus, alveolin was concluded to be the primary trigger for chorion hardening in vivo. Furthermore, fertilization in a balanced salt solution could partially improve the impaired chorion hardening of the Alv-/- eggs fertilized in water, probably through an alveolin-independent mechanism.
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Affiliation(s)
- Bo Fu
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Di Wu
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Institute of Glyco-core Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Shigeki Yasumasu
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, Tokyo 102-8554, Japan
| | - Masaya Hane
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Institute of Glyco-core Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Chihiro Sato
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Institute of Glyco-core Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Ken Kitajima
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Institute of Glyco-core Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
- Correspondence:
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Hei Z, Zhao M, Tian Y, Chang H, Shen X, Xia G, Wang J. Isolation and Characterization of a Novel Sialoglycopeptide Promoting Osteogenesis from Gadus morhua Eggs. Molecules 2019; 25:molecules25010156. [PMID: 31906039 PMCID: PMC6983019 DOI: 10.3390/molecules25010156] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/23/2019] [Accepted: 12/27/2019] [Indexed: 12/12/2022] Open
Abstract
Gadus morhua eggs contain several nutrients, including polyunsaturated fatty acids, lecithin and glycoproteins. A novel sialoglycopeptide from the eggs of G. morhua (Gm-SGPP) was extracted with 90% phenol and purified by Q Sepharose Fast Flow (QFF) ion exchange chromatography, followed by S-300 gel filtration chromatography. Gm-SGPP contained 63.7% carbohydrate, 16.2% protein and 18.6% N-acetylneuraminic acid. High-performance size exclusion chromatography and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) demonstrated that Gm-SGPP is a 7000-Da pure sialoglycopeptide. β-elimination reaction suggested that Gm-SGPP contained N-glycan units. Amino acid N-terminal sequence analysis indicated the presence of Ala-Ser-Asn-Gly-Thr-Gln-Ala-Pro amino acid sequence. Moreover, N-glycan was connected at the third Asn location of the peptide chain through GlcNAc. Gm-SGPP was composed of D-mannose, D-glucuronic acid and D-galactose. Fourier transform-infrared spectroscopy (FT-IR), 1H-nuclear magnetic resonance spectroscopy (1H-NMR) and methylation analysis were performed to reveal the structure profile of Gm-SGPP. In vitro results showed that the proliferation activity of MC3T3-E1 cells was significantly promoted by Gm-SGPP. In vivo data revealed that Gm-SGPP increased the calcium and phosphorus content of tibias and promoted longitudinal bone growth in adolescent rats.
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Affiliation(s)
- Zhiliang Hei
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
| | - Meihui Zhao
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
| | - Yingying Tian
- Marine Biomedical Research Institute of Qingdao, Qingdao 266003, China
| | - Hong Chang
- Hainan Institute for Food Control, Hainan 570228, China
| | - Xuanri Shen
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
| | - Guanghua Xia
- Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan 570228, China
- College of Food Science and Technology, Hainan University, Hainan 570228, China
- Correspondence: (G.X.); (J.W.); Tel.: +86-0898-6619-6803 (G.X.); +86-0532-8203-1948 (J.W.); Fax: +86-0532-8203-2468 (G.X.); +86-0898-6619-6803 (J.W.)
| | - Jingfeng Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
- Correspondence: (G.X.); (J.W.); Tel.: +86-0898-6619-6803 (G.X.); +86-0532-8203-1948 (J.W.); Fax: +86-0532-8203-2468 (G.X.); +86-0898-6619-6803 (J.W.)
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Mao L, Wang N, Wang M, Xia G, Yu Z, Wang J, Xue C. Sialoglycoprotein isolated from Carassius auratus
eggs promotes osteoblast differentiation via targeting the p38 mitogen-activated protein kinase-dependent Wnt/β-catenin and BMP2/Smads pathways. J Food Biochem 2017. [DOI: 10.1111/jfbc.12465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Lei Mao
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Na Wang
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Meiling Wang
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Guanghua Xia
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Zhe Yu
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Jingfeng Wang
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
| | - Changhu Xue
- College of Food Science and Engineering; Ocean University of China; Qingdao Shandong Province China
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Xia G, Wang S, He M, Zhou X, Zhao Y, Wang J, Xue C. Anti-osteoporotic activity of sialoglycoproteins isolated from the eggs of Carassius auratus by promoting osteogenesis and increasing OPG/RANKL ratio. J Funct Foods 2015; 15:137-50. [DOI: 10.1016/j.jff.2015.03.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Shibata Y, Iwamatsu T, Suzuki N, Young G, Naruse K, Nagahama Y, Yoshikuni M. An oocyte-specific astacin family protease, alveolin, is released from cortical granules to trigger egg envelope hardening during fertilization in medaka (Oryzias latipes). Dev Biol 2012; 372:239-48. [DOI: 10.1016/j.ydbio.2012.09.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2012] [Revised: 09/07/2012] [Accepted: 09/22/2012] [Indexed: 10/27/2022]
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Suzuki N, Nawa D, Tateno H, Yasuda T, Oda S, Mitani H, Nishimaki T, Katsumura T, Oota H, Hanihara T, Oga A, Hirabayashi J, Yamamoto K. Generation of monoclonal antibodies against the Gal 1-4Gal epitope: A key tool in studies of species-specific glycans expressed in fish, amphibians and birds. Glycobiology 2012; 23:91-105. [DOI: 10.1093/glycob/cws129] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Fan X, Klein M, Flanagan-Steet HR, Steet R. Selective yolk deposition and mannose phosphorylation of lysosomal glycosidases in zebrafish. J Biol Chem 2010; 285:32946-32953. [PMID: 20729204 DOI: 10.1074/jbc.m110.158295] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The regulation and function of lysosomal hydrolases during yolk consumption and embryogenesis in zebrafish are poorly understood. In an effort to better define the lysosomal biochemistry of this organism, we analyzed the developmental expression, biochemical properties, and function of several glycosidases in zebrafish eggs, embryos, and adult tissues. Our results demonstrated that the specific activity of most enzymes increases during embryogenesis, likely reflecting a greater need for turnover within the embryo as yolk-derived nutrients are depleted. Analysis of glycosidase activity in zebrafish and medaka eggs revealed selective deposition of enzymes required for the degradation of N-linked glycans, including an abundance of acidic mannosidases. Treatment of zebrafish embryos with the α-mannosidase inhibitor swainsonine resulted in the accumulation of glycosylated vitellogenin fragments and demonstrated a function for maternally deposited acid α-mannosidase in yolk consumption. Surprisingly, we also found that, unlike mammals, acid α-glucosidase from zebrafish and medaka does not appear to be modified with mannose 6-phosphate residues. We further showed these residues were not acquired on human acid α-glucosidase when expressed in zebrafish embryos, suggesting unique differences in the ability of the human and zebrafish N-acetylglucosamine-1-phosphotransferase to recognize and modify certain lysosomal glycosidases. Together, these results provide novel insight into the role of acidic glycosidases during yolk utilization and the evolution of the mannose 6-phosphate targeting system in vertebrates.
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Affiliation(s)
- Xiang Fan
- From the Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602
| | - Maximilian Klein
- From the Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602
| | | | - Richard Steet
- From the Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602.
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Suzuki T, Funakoshi Y. Free N-linked oligosaccharide chains: formation and degradation. Glycoconj J 2007; 23:291-302. [PMID: 16897173 DOI: 10.1007/s10719-006-6975-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2005] [Revised: 12/21/2005] [Accepted: 12/27/2005] [Indexed: 01/09/2023]
Abstract
There is growing evidence that N-linked glycans play pivotal roles in protein folding and intra- and/or intercellular trafficking of N-glycosylated proteins. It has been shown that during the N-glycosylation of proteins, significant amounts of free oligosaccharides (free OSs) are generated in the lumen of the endoplasmic reticulum (ER) by a mechanism which remains to be clarified. Free OSs are also formed in the cytosol by enzymatic deglycosylation of misfolded glycoproteins, which are subjected to destruction by a cellular system called "ER-associated degradation (ERAD)." While the precise functions of free OSs remain obscure, biochemical studies have revealed that a novel cellular process enables them to be catabolized in a specialized manner, that involves pumping free OSs in the lumen of the ER into the cytosol where further processing occurs. This process is followed by entry into the lysosomes. In this review we summarize current knowledge about the formation, processing and degradation of free OSs in eukaryotes and also discuss the potential biological significance of this pathway. Other evidence for the occurrence of free OSs in various cellular processes is also presented.
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Affiliation(s)
- Tadashi Suzuki
- 21st COE (Center of Excellence) Program and Department of Biochemistry, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan.
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Sakamoto Y, Taguchi T, Honke K, Korekane H, Watanabe H, Tano Y, Dohmae N, Takio K, Horii A, Taniguchi N. Molecular cloning and expression of cDNA encoding chicken UDP-N-acetyl-D-glucosamine (GlcNAc): GlcNAcbeta 1-6(GlcNAcbeta 1-2)- manalpha 1-R[GlcNAc to man]beta 1,4N-acetylglucosaminyltransferase VI. J Biol Chem 2000; 275:36029-34. [PMID: 10962001 DOI: 10.1074/jbc.m005860200] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A cDNA that encodes UDP-N-acetyl-d-glucosamine (GlcNAc):GlcNAcbeta1-6(GlcNAcbeta1-2)Manalpha1-R[GlcNA c to Man]beta1, 4N-acetylglucosaminyltransferase VI (GnT VI), which is responsible for the formation of pentaantennary asparagine-linked oligosaccharides (N-glycans), has been cloned from a hen oviduct cDNA library based on the partial amino acid sequences of the purified enzyme. The isolated cDNA clone contained an open reading frame encoding 464 amino acids, including all of the peptides that were sequenced. The deduced amino acid sequence predicts a type II transmembrane topology and contains two potential N-glycosylation sites. The primary structure was found to be significantly similar to human GnT IV-homologue, the gene for which was cloned from the deleted region in pancreatic cancer, and to human and bovine GnT IVs. Chicken GnT VI-transfected COS-1 cells showed a high GnT VI activity (26.8 pmol/h/mg protein), whereas nontransfected, mock-transfected, or human GnT IV-homologue-transfected COS-1 cells had no activity. Northern blot analysis using poly(A)(+) RNA from hen oviduct indicated that the size of GnT VI mRNA is 2.1 kilobases. Reverse transcription-polymerase chain reaction analysis showed that GnT VI mRNA was relatively highly expressed in oviduct, spleen, lung, and colon.
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Affiliation(s)
- Y Sakamoto
- Departments of Biochemistry and Ophthalmology, Osaka University Medical School, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
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Seko A, Kitajima K, Iwamatsu T, Inoue Y, Inoue S. Identification of two discrete peptide: N-glycanases in Oryzias latipes during embryogenesis. Glycobiology 1999; 9:887-95. [PMID: 10460830 DOI: 10.1093/glycob/9.9.887] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Two different types of peptide:N-glycanase (PNGase) were identified in developing embryos of medaka fish ( Oryzias latipes ). Because the optimum pH values for their activities were acidic and neutral, they were designated as acid PNGase M and neutral PNGase M, respectively. The acid PNGase M corresponded to the enzyme that had been partially purified from medaka embryos (Seko,A., Kitajima,K., Inoue,Y. and Inoue,S. (1991) J. Biol. Chem., 266, 22110-22114). The apparent molecular weight of this enzyme was 150 K, and the optimal pH was 3.5-4.0, and the K m for L-hyosophorin was 44 microM. L-Hyosophorin is a cortical alveolus-derived glycononapeptide with a large N-linked glycan chain present in the perivitelline space of the developing embryo. Acid PNGase M was competitively inhibited by a free de-N-glycosylated nonapeptide derived from L-hyosophorin. This enzyme was expressed in ovaries and embryos at all developmental stages after gastrulation, but activity was not detected in embryos at developmental stages between fertilization and gastrula. Several independent lines of evidence suggested that acid PNGase M may be responsible for the unusual accumulation of free N-glycans derived from yolk glycoproteins (Iwasaki,M., Seko,A., Kitajima,K., Inoue,Y. and Inoue,S. (1992) J. Biol. Chem., 267, 24287-24296). In contrast, the neutral PNGase M was expressed in blastoderms from the 4-8 cell stage and in cells up to early gastrula. The general significance of these findings is that they show a developmental stage-dependent expression of the two PNGase activities, and that expression of the neutral PNGase M activity occurs concomitantly with the de-N-glycosylation of L-hyosophorin. These data thus support our conclusion that the neutral PNGase M is responsible for the developmental-stage-related de-N-glycosylation of the L-hyosophorin.
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Affiliation(s)
- A Seko
- Department of Biochemistry, Sasaki Institute, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
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12
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Abstract
Carp hyosophorin (HSP) is purified from oocytes. It is a highly glycosylated protein (10% protein and 90% carbohydrate) of high molecular weight (>100 kDa) and is localized in the cortical granules of oocytes. During cortical reaction carp HSP is exocytosed into the perivitelline space and is rapidly cleaved to the low-molecular-weight forms of 20 to 30 kDa. The major part of carp HSP cDNA is composed of tandem repeats, the repetitive domain. A repeat is 36 base pairs (bp) in length, which encodes 12 amino acid residues. The sequences of repeats vary within a given cDNA and among different cDNAs. The predominant sequences of repeats are DDGSGSNATTTQ. In addition, the length of the repetitive domain is highly variable among different genes and cDNAs, and ranges from 170 to 1,010 bp. Transcription of carp HSP is restricted in oocytes and starts very early during oogenesis. Carp HSP is highly species-specific. The RNA of goldfish ovary shows no positive signals when probed by carp HSP cDNA.
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Affiliation(s)
- C C Tsao
- Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan
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Taguchi T, Ogawa T, Kitajima K, Inoue S, Inoue Y, Ihara Y, Sakamoto Y, Nagai K, Taniguchi N. A method for determination of UDP-GlcNAc: GlcNAc beta 1-6(GlcNAc beta 1-2)Man alpha 1-R [GlcNAc to Man]beta 1-4N-acetylglucosaminyltransferase VI activity using a pyridylaminated tetraantennary oligosaccharide as an acceptor substrate. Anal Biochem 1998; 255:155-7. [PMID: 9448855 DOI: 10.1006/abio.1997.2465] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- T Taguchi
- RIKEN Institute of Physical and Chemical Research, Saitama, Japan
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Inoue S, Inoue Y. Fish glycoproteins. Glycoproteins II. Elsevier; 1997. pp. 143-61. [DOI: 10.1016/s0167-7306(08)60620-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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15
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Ha CR, Iuchi I. Participation of a metalloprotease in the fertilization-associated conversion of the egg envelope (chorion) of the fish, Oryzias latipes. Dev Growth Differ 1996. [DOI: 10.1046/j.1440-169x.1996.t01-4-00007.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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16
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Iwamatsu T, Shibata Y, Kanie T. Changes in chorion proteins induced by the exudate released from the egg cortex at the time of fertilization in the teleost, Oryzias latipes. Dev Growth Differ 1995. [DOI: 10.1046/j.1440-169x.1995.t01-4-00012.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Taguchi T, Kitajima K, Niimi T, Muto Y, Yokoyama S, Inoue S, Inoue Y. Complete assignments of 13C NMR resonances to all the carbon atoms of the trimannosido-di-N-acetylchitobiosyl structure in a pentaantennary decasaccharide glycopeptide. Carbohydr Res 1995; 275:185-91. [PMID: 7585720 DOI: 10.1016/0008-6215(95)00144-i] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- T Taguchi
- Department of Biophysics and Biochemistry, Graduate School of Science, University of Tokyo, Japan
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Suzuki T, Kitajima K, Inoue S, Inoue Y. N-glycosylation/deglycosylation as a mechanism for the post-translational modification/remodification of proteins. Glycoconj J 1995; 12:183-93. [PMID: 7496130 DOI: 10.1007/bf00731318] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- T Suzuki
- Department of Biophysics and Biochemistry, Graduate School of Science, University of Tokyo, Japan
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19
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Taguchi T, Kitajima K, Muto Y, Yokoyama S, Inoue S, Inoue Y. Proton NMR study of the trimannosyl unit in a pentaantennary N-linked decasaccharide structure. Complete assignment of the proton resonances and conformational characterization. Eur J Biochem 1995; 228:822-9. [PMID: 7737182 DOI: 10.1111/j.1432-1033.1995.tb20328.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The chemical shifts of all the ring protons of the three Man residues in a pentaantennary glycan chain have been unambiguously assigned by two-dimensional proton nuclear magnetic resonance (1H-NMR) spectroscopic methods. The study, using chemical shift and J values on the conformation of the trimannosyl unit, revealed that the rotamer about the C5-C6 bond of the alpha 1-->6 linkage in the sequence of Man alpha 1-->6Man beta 1--> is predominantly confined to a gauche-gauche rotamer (omega = 180 degrees, omega = O6-C6-C5-H5) and not to a gauche-trans rotamer (omega = -60 degrees). We do not know of any previous demonstration that the dihedral angle omega (O6-C6-C5-H5) in Man alpha 1-->6Man beta 1--> is preferentially 180 degrees in complex-type N-linked glycans having no bisecting GlcNAc residue.
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Affiliation(s)
- T Taguchi
- Department of Biophysics and Biochemistry, Graduate School of Science, University of Tokyo, Japan
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Suzuki T, Seko A, Kitajima K, Inoue Y, Inoue S. Purification and enzymatic properties of peptide:N-glycanase from C3H mouse-derived L-929 fibroblast cells. Possible widespread occurrence of post-translational remodification of proteins by N-deglycosylation. J Biol Chem 1994; 269:17611-8. [DOI: 10.1016/s0021-9258(17)32485-7] [Citation(s) in RCA: 107] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Taguchi T, Seko A, Kitajima K, Muto Y, Inoue S, Khoo K, Morris H, Dell A, Inoue Y. Structural studies of a novel type of pentaantennary large glycan unit in the fertilization-associated carbohydrate-rich glycopeptide isolated from the fertilized eggs of Oryzias latipes. J Biol Chem 1994. [DOI: 10.1016/s0021-9258(17)37034-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Taguchi T, Seko A, Kitajima K, Inoue S, Iwamatsu T, Khoo K, Morris H, Dell A, Inoue Y. Structural studies of a novel type of tetraantennary sialoglycan unit in a carbohydrate-rich glycopeptide isolated from the fertilized eggs of Indian Medaka fish, Oryzias melastigma. J Biol Chem 1993. [DOI: 10.1016/s0021-9258(18)53783-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Iwasaki M, Seko A, Kitajima K, Inoue Y, Inoue S. Fish egg glycophosphoproteins have species-specific N-linked glycan units previously found in a storage pool of free glycan chains. J Biol Chem 1992. [DOI: 10.1016/s0021-9258(18)35763-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Seko A, Kitajima K, Inoue S, Inoue Y. Identification of free glycan chain liberated by de-N-glycosylation of the cortical alveolar glycopolyprotein (hyosophorin) during early embryogenesis of the Medaka fish, Oryzias latipes. Biochem Biophys Res Commun 1991; 180:1165-71. [PMID: 1953768 DOI: 10.1016/s0006-291x(05)81318-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In Medaka embryos (at the stages of blastulation to organogenesis), we found the presence of free glycan of which structure is identical with the multiantennary N-linked sugar chain of L-hyosophorin molecules which were originally present in the cortical alveoli of the unfertilized eggs in their precursor high molecular form. The free glycan-enriched fraction was separated from L-hyosophorin by chromatography on DEAE-Sephadex A-25 and Sephadex G-50 after removal of the sialic acid residues with exo-sialidase. Composition analysis, 400-MHz 1H NMR spectroscopy, and pyridylamination-hydrazinolysis-nitrous acid deamination of the free glycan showed the presence of di-N-acetylchitobiosyl structure at the reducing end, suggesting that the free glycan chain was derived from L-hyosophorin by the action of a specific peptide:N-glycosidase (PNGase). When we combine the previous finding of the hyosophorin-derived unique pentaantennary free glycan chain in the flounder embryos [A. Seko et al. (1989) J. Biol. Chem. 264, 15922-15929], it is anticipated that PNGase-catalyzed de-N-glycosylation of L-hyosophorin would be required at a certain stage of embryogenesis for L-hyosophorin to play a yet undefined functional role during early development.
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Affiliation(s)
- A Seko
- Department of Biophysics and Biochemistry, Faculty of Science, University of Tokyo, Japan
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Seko A, Kitajima K, Inoue Y, Inoue S. Peptide:N-glycosidase activity found in the early embryos of Oryzias latipes (Medaka fish). The first demonstration of the occurrence of peptide:N-glycosidase in animal cells and its implication for the presence of a de-N-glycosylation system in living organisms. J Biol Chem 1991; 266:22110-4. [DOI: 10.1016/s0021-9258(18)54540-3] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Masuda K, luchi I, Yamagami K. Analysis of Hardening of the Egg Envelope (Chorion) of the Fish, Oryzias latipes. (Egg envelope (chorion)/Egg activation/Chorion hardening/Fish egg/Chorion proteins). Dev Growth Differ 1991. [DOI: 10.1111/j.1440-169x.1991.00075.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
New polysialoglycoproteins, designated PSGP(On), were isolated from the fertilized and unfertilized eggs of the kokanee salmon, Oncorhynchus nerka adonis. The polysialylglycan chains consisting of alpha-2,8-linked O-acetylated poly(N-glycolylneuraminyl) chains have recently been characterized. We have now determined the complete amino acid sequence of the tandem-repeating units of PSGP(On) from the unfertilized eggs of kokanee salmon and found that the following two distinct forms are present in PSGP(On) in almost identical amounts: [formula: see text] and [formula: see text] where * denotes the O-glycosylation site and mean value of m, n = about 20. Upon fertilization these high-molecular-weight forms of PSGP(On) were proteolytically cleaved to the corresponding repeating units, low-molecular-weight PSGP(On), by the action of a specific protease (PSGPase) at the position two residues set C-terminally to the Pro residue and N-terminally to the Asp residue, i.e. -Pro-Ser-Xaa-Asp-: [formula: see text] and [formula: see text].
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Affiliation(s)
- Y Song
- Department of Biophysics and Biochemistry, Faculty of Science, University of Tokyo, Japan
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28
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Affiliation(s)
- N H Hart
- Department of Biological Sciences, Rutgers University, New Brunswick, New Jersey 08903
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Inoue S, Iwasaki M, Ishii K, Kitajima K, Inoue Y. Isolation and structures of glycoprotein-derived free sialooligosaccharides from the unfertilized eggs of Tribolodon hakonensis, a dace. J Biol Chem 1989; 264:18520-6. [DOI: 10.1016/s0021-9258(18)51498-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Kanamori A, Kitajima K, Inoue S, Inoue Y. Isolation and characterization of deaminated neuraminic acid-rich glycoprotein (KDN-gp-OF) in the ovarian fluid of rainbow trout (Salmo gairdneri). Biochem Biophys Res Commun 1989; 164:744-9. [PMID: 2818586 DOI: 10.1016/0006-291x(89)91522-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A novel highly acidic glycoprotein (deaminated neuraminic acid-rich glycoprotein; KDN-gp) was first discovered as an integral component of the vitelline envelope of rainbow trout eggs [Inoue, S., et al. (1988) Biochem. Biophys. Res. Commun. 153, 172-176]. Another member of this class of glycoprotein has now been found in the ovarian (or coelomic) fluid of ovulating rainbow trout. This ovarian fluid KDN-glycoprotein is designated as KDN-gp-OF and its amino acid and carbohydrate compositions were compared with those of the vitelline envelope KDN-gp (KDN-gp-VE). KDN-gp-OF was similar to KDN-gp-VE in the carbohydrate composition and molecular weight. However, a small but definite difference in amino acid composition and the molecular weight range was found between KDN-gp-OF and KDN-gp-VE. The results suggest that in KDN-gp-OF some peptide sequences presumably present at either the C- or N-terminus are deleted from KDN-gp-VE. Possible biological function of KDN-gp-OF is discussed.
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Affiliation(s)
- A Kanamori
- Department of Biophysics and Biochemistry, Faculty of Science, University of Tokyo, Japan
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Seko A, Kitajima K, Iwasaki M, Inoue S, Inoue Y. Structural Studies of Fertilization-associated Carbohydrate-rich Glycoproteins (Hyosophorin) Isolated from the Fertilized and Unfertilized Eggs of Flounder, Paralichthys olivaceus. J Biol Chem 1989. [DOI: 10.1016/s0021-9258(18)71567-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Fukuchi K, Sakagami H, Okuda T, Hatano T, Tanuma S, Kitajima K, Inoue Y, Inoue S, Ichikawa S, Nonoyama M. Inhibition of herpes simplex virus infection by tannins and related compounds. Antiviral Res 1989; 11:285-97. [PMID: 2552915 DOI: 10.1016/0166-3542(89)90038-7] [Citation(s) in RCA: 98] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Several chemically defined plant extracts were investigated for their antiviral action on herpes simplex virus (HSV-1, HSV-2)-infected African green monkey kidney cells and human adenocarcinoma cells, using a plaque formation assay. Among them, the monomeric hydrolyzable tannins, oligomeric ellagitannins and condensed tannins, having galloyl groups or hexahydroxydiphenoyl groups, had the most potent anti-HSV activity. Their 50% effective doses (0.03-0.1 microgram/ml) were by two-three orders of magnitude lower than their 50% cytotoxic doses (greater than 10 micrograms/ml). On the other hand, gallic acid, neutral polysaccharides, chemically modified (N,N-dimethylaminoethyl-, carboxymethyl-, and sulfated-) glucans, sialic acid-rich glycoproteins, and uronic acid-rich pine cone polysaccharide showed little or no activity. Using radiolabeled virus particles, we demonstrated that the anti-HSV effect of the tannins is due to inhibition of virus adsorption to the cells.
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Affiliation(s)
- K Fukuchi
- First Department of Biochemistry, School of Medicine, Showa University, Tokyo, Japan
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