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Aubrey L, Barron-Castillo U, Berube N, Pessoa N, Macas Jacome L, Trann J, Gentes A, Van Kessel J, Warner B, Facciuolo A, Zhou Y. Approaches for inactivating highly pathogenic avian influenza H5N1 cattle isolate for safe containment level 2 laboratory practices. Appl Environ Microbiol 2025; 91:e0235624. [PMID: 40207970 DOI: 10.1128/aem.02356-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2024] [Accepted: 03/03/2025] [Indexed: 04/11/2025] Open
Abstract
In March 2024, highly pathogenic avian influenza (HPAI) H5N1 was detected in Texas dairy cattle and has since spread to over 500 herds in the United States. Historically, H5N1 transmission to humans has occurred because of contact with infected birds, and over 800 cases have been reported since 2003, with a mortality rate of 52%. Sustained human-to-human transmission of H5N1 has not been observed. HPAI requires physical containment and operational practices to be completed in a containment level 3 (CL-3) laboratory. To safely bring samples containing inactivated HPAI to CL-2 laboratories for further analysis, we tested methods of inactivation for downstream RNA extraction or antibody response assays. Samples containing A/dairy cattle/Texas/24-008749-002/2024 (H5N1 cattle virus) destined for RNA extraction were incubated with Buffer AVL (Qiagen) with 95% ethanol, or Buffer RLT (Qiagen) with 70% ethanol. Samples tested for antibody assays, serum, and milk containing HPAI were incubated with 0.5% vol/vol Triton X-100 at 60°C. We found that Buffer AVL with 95% ethanol inactivated H5N1 cattle virus in supernatant from infected cells, milk, blood, and urine. Buffer RLT with 70% ethanol inactivated H5N1 cattle virus in infected cell pellet, spiked milk, blood, urine, and tissue. Finally, incubation with 0.5% vol/vol Triton X-100 followed by a 30 minute heat treatment at 60°C completely inactivated the H5N1 cattle virus in whey and serum. This work is essential for allowing the safe transfer of H5N1 samples produced in CL-3 to lower containment laboratories for downstream analyses.IMPORTANCEHistorically, human infections from highly pathogenic avian influenza (HPAI) have occurred from contact with infected birds, with estimated mortality rates of 52%. Recently, this virus has spilled over into many mammalian species and has rapidly spread between dairy cattle herds in the United States, causing multiple human infections after exposure to infected cows. Characterization of this virus is imperative for reducing risk to humans. Work with live HPAI virus must be undertaken in containment level 3 facilities, which limits the amount and type of work that can be done due to time-consuming biosafety procedures and lack of equipment. In this article, we outline how to effectively inactivate HPAI to enable safe work in containment level 2 facilities and facilitate more efficient work on this pathogen.
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Affiliation(s)
- Lauren Aubrey
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Vaccinology and Immunotherapeutics Program, School of Public Health, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Ulises Barron-Castillo
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Nathalie Berube
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Natalia Pessoa
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Leslie Macas Jacome
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Vaccinology and Immunotherapeutics Program, School of Public Health, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Jill Trann
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Andrew Gentes
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Jill Van Kessel
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Bryce Warner
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Biochemistry, Microbiology & Immunology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Antonio Facciuolo
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Yan Zhou
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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2
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Bolino M, Avcı İ, Kayili HM, Duman H, Salih B, Karav S, Frese SA. Identification and comparison of N-glycome profiles from common dietary protein sources. Food Chem X 2025; 25:102025. [PMID: 39758068 PMCID: PMC11699095 DOI: 10.1016/j.fochx.2024.102025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2024] [Revised: 11/12/2024] [Accepted: 11/18/2024] [Indexed: 01/07/2025] Open
Abstract
The N-glycomes of bovine whey, egg white, pea, and soy protein isolates are described here. N-glycans from four protein isolates were analyzed by HILIC high performance liquid chromatography and quadrupole time-of-flight tandem mass spectrometry (HILIC-FLD-QTOF-MS/MS). In total, 33 N-glycans from bovine whey and egg white and 10 N-glycans from soy and pea glycoproteins were identified. The type of N-glycans per glycoprotein source were attributable to differences in biosynthetic glycosylation pathways. Animal glycoprotein sources favored a combination of complex and hybrid glycan configurations, while the plant proteins were dominated by oligomannosidic N-glycans. Bovine whey glycoprotein isolate contained the most diverse N-glycans by monosaccharide composition as well as structure, while plant sources such as pea and soy glycoprotein isolates contained an overlap of oligomannosidic N-glycans. The results suggest N-glycan structure and composition is dependent on the host organism which are driven by the differences in N-glycan biosynthetic pathways.
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Affiliation(s)
- Matthew Bolino
- Department of Nutrition, University of Nevada, Reno, Reno, NV 89557, USA
| | - İzzet Avcı
- Department of Chemistry, Faculty of Science, Hacettepe University, 06500 Ankara, TR, Republic of Türkiye
| | - Hacı Mehmet Kayili
- Department of Biomedical Engineering, Faculty of Engineering, Karabük University, 78000 Karabük, TR, Republic of Türkiye
| | - Hatice Duman
- Department of Molecular Biology and Genetics, Çanakkale Onsekiz Mart University, 17020 Çanakkale, TR, Republic of Türkiye
| | - Bekir Salih
- Department of Chemistry, Faculty of Science, Hacettepe University, 06500 Ankara, TR, Republic of Türkiye
| | - Sercan Karav
- Department of Molecular Biology and Genetics, Çanakkale Onsekiz Mart University, 17020 Çanakkale, TR, Republic of Türkiye
| | - Steven A. Frese
- Department of Nutrition, University of Nevada, Reno, Reno, NV 89557, USA
- University of Nevada, Reno School of Medicine, Reno, NV 89557, USA
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3
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Higuchi J, Kurogochi M, Yamaguchi T, Fujio N, Mitsuduka S, Ishida Y, Fukudome H, Nonoyama N, Gota M, Mizuno M, Sakai F. Qualitative and Quantitative Analyses of Sialyl O-Glycans in Milk-Derived Sialylglycopeptide Concentrate. Foods 2024; 13:2792. [PMID: 39272557 PMCID: PMC11395400 DOI: 10.3390/foods13172792] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2024] [Revised: 08/30/2024] [Accepted: 08/31/2024] [Indexed: 09/15/2024] Open
Abstract
Sialyl glycans have several biological functions. We have previously reported on the preparation and bifidogenic activity of milk-derived sialylglycopeptide (MSGP) concentrate containing sialyl O-glycans. The current study qualitatively and quantitatively analyzed the sialyl O-glycans present in the MSGP concentrate. Notably, our quantitative analysis indicated that a majority of O-glycopeptides in the MSGP concentrate were derived from glycomacropeptides. The concentrate was found to contain mainly three types of sialyl core 1 O-glycans, with the disialyl core 1 O-glycan being the most abundant. We successfully quantified three types of sialyl core 1 O-glycans using a meticulous method that used homogeneous O-glycopeptides as calibration standards. Our results provide valuable insights into assessment strategies for the quality control of O-glycans in dietary products and underscore the potential applications of MSGP concentrate in the food industry and other industries.
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Affiliation(s)
- Junichi Higuchi
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Masaki Kurogochi
- Laboratory of Glyco-Organic Chemistry, The Noguchi Institute, 1-9-7 Kaga, Itabashi-ku, Tokyo 173-0003, Japan
| | - Toshiyuki Yamaguchi
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Noriki Fujio
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Sho Mitsuduka
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Yuko Ishida
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Hirofumi Fukudome
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Noriko Nonoyama
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Masayuki Gota
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
| | - Mamoru Mizuno
- Laboratory of Glyco-Organic Chemistry, The Noguchi Institute, 1-9-7 Kaga, Itabashi-ku, Tokyo 173-0003, Japan
| | - Fumihiko Sakai
- Milk Science Research Institute, Megmilk Snow Brand Co., Ltd., 1-1-2 Minamidai, Kawagoe-shi 350-1165, Saitama, Japan
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4
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Bai X, Shang J, Cao X, Li M, Yu H, Wu C, Yang M, Yue X. Proteomic and phosphoproteomic reveal immune-related function of milk fat globule membrane in bovine milk of different lactation periods. Food Chem 2024; 451:139295. [PMID: 38729042 DOI: 10.1016/j.foodchem.2024.139295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 02/04/2024] [Accepted: 04/07/2024] [Indexed: 05/12/2024]
Abstract
Information regarding protein expression and phosphorylation modifications in the bovine milk fat globule membrane is scarce, particularly throughout various lactation periods. This study employed a complete proteome and phosphoproteome between bovine colostrum and mature milk. A total of 11 proteins were seen in both protein expression and phosphorylation levels. There were 400 proteins identified in only protein expression, and 104 phosphoproteins identified in only phosphorylation levels. A total of 232 significant protein characteristics were identified within the proteome and significant phosphorylation sites within 86 phosphoproteins of the phosphoproteome. Biological activities and pathways primarily exhibited associations with the immune system. Simultaneously, a comprehensive analysis of proteins and phosphorylation sites using a multi-omics approach. Hence, the data we have obtained has the potential to expand our understanding of how the bovine milk fat globule membrane might be utilized as a beneficial component in dairy products.
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Affiliation(s)
- Xue Bai
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Jingwen Shang
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Xueyan Cao
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Mohan Li
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Hong Yu
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Chunshuang Wu
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Mei Yang
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China.
| | - Xiqing Yue
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, PR China
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5
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Gazi I, Reiding KR, Groeneveld A, Bastiaans J, Huppertz T, Heck AJR. LacdiNAc to LacNAc: remodelling of bovine α-lactalbumin N-glycosylation during the transition from colostrum to mature milk. Glycobiology 2024; 34:cwae062. [PMID: 39115362 PMCID: PMC11319639 DOI: 10.1093/glycob/cwae062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 08/05/2024] [Accepted: 08/07/2024] [Indexed: 08/15/2024] Open
Abstract
α -Lactalbumin, an abundant protein present in the milk of most mammals, is associated with biological, nutritional and technological functionality. Its sequence presents N-glycosylation motifs, the occupancy of which is species-specific, ranging from no to full occupancy. Here, we investigated the N-glycosylation of bovine α-lactalbumin in colostrum and milk sampled from four individual cows, each at 9 time points starting from the day of calving up to 28.0 d post-partum. Using a glycopeptide-centric mass spectrometry-based glycoproteomics approach, we identified N-glycosylation at both Asn residues found in the canonical Asn-Xxx-Ser/Thr motif, i.e. Asn45 and Asn74 of the secreted protein. We found similar glycan profiles in all four cows, with partial site occupancies, averaging at 35% and 4% for Asn45 and Asn74, respectively. No substantial changes in occupancy occurred over lactation at either site. Fucosylation, sialylation, primarily with N-acetylneuraminic acid (Neu5Ac), and a high ratio of N,N'-diacetyllactosamine (LacdiNAc)/N-acetyllactosamine (LacNAc) motifs were characteristic features of the identified N-glycans. While no substantial changes occurred in site occupancy at either site during lactation, the glycoproteoform (i.e. glycosylated form of the protein) profile revealed dynamic changes; the maturation of the α-lactalbumin glycoproteoform repertoire from colostrum to mature milk was marked by substantial increases in neutral glycans and the number of LacNAc motifs per glycan, at the expense of LacdiNAc motifs. While the implications of α-lactalbumin N-glycosylation on functionality are still unclear, we speculate that N-glycosylation at Asn74 results in a structurally and functionally different protein, due to competition with the formation of its two intra-molecular disulphide bridges.
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Affiliation(s)
- Inge Gazi
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht 3584 CH, The Netherlands
- Netherlands Proteomics Center, Padualaan 8, Utrecht 3584 CH, The Netherlands
| | - Karli R Reiding
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht 3584 CH, The Netherlands
- Netherlands Proteomics Center, Padualaan 8, Utrecht 3584 CH, The Netherlands
| | - André Groeneveld
- Research and Development, FrieslandCampina, Stationsplein 4, Amersfoort 3818 LE, The Netherlands
| | - Jan Bastiaans
- Research and Development, FrieslandCampina, Stationsplein 4, Amersfoort 3818 LE, The Netherlands
| | - Thom Huppertz
- Research and Development, FrieslandCampina, Stationsplein 4, Amersfoort 3818 LE, The Netherlands
- Department of Agrotechnology and Food Sciences, Wageningen University, Bornse Weilanden 9, Wageningen 6708 WG, The Netherlands
| | - Albert J R Heck
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht 3584 CH, The Netherlands
- Netherlands Proteomics Center, Padualaan 8, Utrecht 3584 CH, The Netherlands
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6
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Liew CY, Chen JL, Lin YT, Luo HS, Hung AT, Magoling BJA, Nguan HS, Lai CPK, Ni CK. Chromatograms and Mass Spectra of High-Mannose and Paucimannose N-Glycans for Rapid Isomeric Identifications. J Proteome Res 2024; 23:939-955. [PMID: 38364797 PMCID: PMC10913092 DOI: 10.1021/acs.jproteome.3c00640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/25/2024] [Accepted: 01/31/2024] [Indexed: 02/18/2024]
Abstract
N-Linked glycosylation is one of the most essential post-translational modifications of proteins. However, N-glycan structural determination remains challenging because of the small differences in structures between isomers. In this study, we constructed a database containing collision-induced dissociation MSn mass spectra and chromatograms of high-performance liquid chromatography for the rapid identification of high-mannose and paucimannose N-glycan isomers. These N-glycans include isomers by breaking of arbitrary numbers of glycosidic bonds at arbitrary positions of canonical Man9GlcNAc2 N-glycans. In addition, some GlcMannGlcNAc2 N-glycan isomers were included in the database. This database is particularly useful for the identification of the N-glycans not in conventional N-glycan standards. This study demonstrated the application of the database to structural assignment for high-mannose N-glycans extracted from bovine whey proteins, soybean proteins, human mammary epithelial cells, and human breast carcinoma cells. We found many N-glycans that are not expected to be generated by conventional biosynthetic pathways of multicellular eukaryotes.
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Affiliation(s)
- Chia Yen Liew
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- International
Graduate Program of Molecular Science and Technology, National Taiwan University, Taipei 106216, Taiwan
- Molecular
Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106216, Taiwan
| | - Jien-Lian Chen
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Yen-Ting Lin
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Hong-Sheng Luo
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Taiwan Normal University, Taipei 116059, Taiwan
| | - An-Ti Hung
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Bryan John Abel Magoling
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Institute
of Biochemical Sciences, College of Life Science, National Taiwan University, Taipei 106216, Taiwan
- Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 115201, Taiwan
| | - Hock-Seng Nguan
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Charles Pin-Kuang Lai
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 115201, Taiwan
- Genome
and Systems Biology Degree Program, National
Taiwan University and Academia Sinica, Taipei 106216, Taiwan
| | - Chi-Kung Ni
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Molecular
Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
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7
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Ji Z, Dong R, Du Q, Jiang H, Fan R, Bu D, Wang J, Yu Z, Han R, Yang Y. Insight into differences in whey proteome from human and eight dairy animal species for formula humanization. Food Chem 2024; 430:137076. [PMID: 37566980 DOI: 10.1016/j.foodchem.2023.137076] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023]
Abstract
Human breastmilk fulfills the nutritional needs of infants and therefore is the best template for formula. In this study, whey proteins were investigated among human and eight dairy animal species using label-free proteomics approach. Totally, 965 proteins from milk whey were identified and large variations were observed between human and animals. Several proteins, including β-galactosidase, fatty acid synthase, osteopontin, lactoferrin, mannose receptor, and complement C4-A, which are associated with digestion and immune response, exhibited significantly higher levels in human milk whey. Conversely, specific animal milk whey demonstrated elevated abundance of lipocalin 2, lysozyme, and glycosylation-dependent cell adhesion molecule 1. These differential proteins are enriched in complement and coagulation cascades, lysosome, and phagosome pathways. The findings shed light on the variations in the whey proteome composition between human and animal milk, which can contribute to optimizing formula humanization.
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Affiliation(s)
- Zhongyuan Ji
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China
| | - Ruifeng Dong
- Department of Obstetrics, Qingdao Municipal Hospital, Qingdao 266001, China
| | - Qijing Du
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China
| | - Hongning Jiang
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China.
| | - Rongbo Fan
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China.
| | - Dengpan Bu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China.
| | - Jun Wang
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China
| | - Zhongna Yu
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China
| | - Rongwei Han
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China.
| | - Yongxin Yang
- College of Food Science and Engineering, Shandong Technology Innovation Center of Special Food, Qingdao Agricultural University, Qingdao 266109, China; Qingdao Special Food Research Institute, Qingdao 266109, China.
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8
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Lectin microarray profiling demonstrates equivalent global glycosylation for whey protein ingredients enriched with α-lactalbumin and milk fat globule membrane. Food Res Int 2023; 164:112416. [PMID: 36737995 DOI: 10.1016/j.foodres.2022.112416] [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: 05/05/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 12/28/2022]
Abstract
Human milk fat globule membrane (MFGM) and whey proteins are nutritionally and functionally valuable, with many beneficial bioactivities associated with their glycosylation. However glycosylation of milk components other than free milk oligosaccharides are underinvestigated. Whey protein concentrate (WPC) ingredients with various enrichments or depletions are used in infant formula (IF) formulations to contribute to human milk equivalence and bioactivity benefits, but their overall or global glycosylation has not been compared. We compared the global glycosylation of commercial WPC ingredients for use in various IF formulations; two MFGM-enriched WPC ingredients (high fat HF1 and lower fat HF2), an α-lactalbumin-enriched WPC (WPC Lac) which has α-lactalbumin concentration closer to human milk and significantly less β-lactoglobulin which is not present in human milk, and two base WPC ingredients (WPC 80 and WPC 35) using lectin microarray profiling. WPC Lac and WPC HF1 glycosylation were highly similar to each other and both somewhat similar to WPC 35, while WPC HF2 was more similar to the base WPC 80 ingredient. N-linked glycosylation analysis demonstrated that WPC HF1 and WPC Lac were qualitatively most similar to one another, with WPC 80 and WPC 35 having similar structures, confirming lectin microarray profiling as a valuable method to compare global glycosylation. Thus WPC Lac may be a valuable ingredient for providing equivalent glycosylation to MFGM supplementation.
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9
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Guan B, Chai Y, Amantai X, Liu X, Chen X, Cao X, Yue X, Liu B. Glycoproteomics analysis reveals differential site-specific N-glycosylation of donkey milk fat globule membrane protein during lactation. Food Chem 2023; 402:134266. [DOI: 10.1016/j.foodchem.2022.134266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 09/08/2022] [Accepted: 09/12/2022] [Indexed: 11/29/2022]
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10
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N-Glycoprofiling of immunoglobulin G and lactoperoxidase from sheep milk using LC-MS/MS. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2023.105582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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11
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Guan B, Zhang Z, Chai Y, Amantai X, Chen X, Cao X, Yue X. N-glycosylation of milk proteins: A review spanning 2010–2022. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.07.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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12
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Gnanesh Kumar B, Mattad S. Comprehensive analysis of lactoferrin N-glycans with site-specificity from bovine colostrum using specific proteases and RP-UHPLC-MS/MS. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.104999] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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13
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14
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Sadovnikova A, Garcia SC, Hovey RC. A Comparative Review of the Cell Biology, Biochemistry, and Genetics of Lactose Synthesis. J Mammary Gland Biol Neoplasia 2021; 26:181-196. [PMID: 34125364 PMCID: PMC8236053 DOI: 10.1007/s10911-021-09490-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 05/20/2021] [Indexed: 12/18/2022] Open
Abstract
Lactose is the primary carbohydrate in the milk of most mammals and is unique in that it is only synthesized by epithelial cells in the mammary glands. Lactose is also essential for the development and nutrition of infants. Across species, the concentration of lactose in milk holds a strong positive correlation with overall milk volume. Additionally, there is a range of examples where the onset of lactose synthesis as well as the content of lactose in milk varies between species and throughout a lactation. Despite this diversity, the precursors, genes, proteins and ions that regulate lactose synthesis have not received the depth of study they likely deserve relative to the significance of this simple and abundant molecule. Through this review, our objective is to highlight the requirements for lactose synthesis at the biochemical, cellular and temporal levels through a comparative approach. This overview also serves as the prelude to a companion review describing the dietary, hormonal, molecular, and genetic factors that regulate lactose synthesis.
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Affiliation(s)
- Anna Sadovnikova
- Graduate Group in Nutritional Biology, Physician Scientist Training Program, University of California, Davis, CA, USA.
- Department of Animal Science, University of California, Davis, CA, USA.
| | - Sergio C Garcia
- School of Life and Environmental Sciences, University of Sydney, Sydney, Australia
| | - Russell C Hovey
- Department of Animal Science, University of California, Davis, CA, USA
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Valk-Weeber RL, Nichols K, Dijkhuizen L, Bijl E, van Leeuwen SS. Variations in N-linked glycosylation of glycosylation-dependent cell adhesion molecule 1 (GlyCAM-1) whey protein: Intercow differences and dietary effects. J Dairy Sci 2021; 104:5056-5068. [PMID: 33551170 DOI: 10.3168/jds.2020-19297] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 10/19/2020] [Indexed: 11/19/2022]
Abstract
In bovine milk serum, the whey proteins with the highest N-glycan contribution are lactoferrin, IgG, and glycosylation-dependent cellular adhesion molecule 1 (GlyCAM-1); GlyCAM-1 is the dominant N-linked glycoprotein in bovine whey protein products. Whey proteins are base ingredients in a range of food products, including infant formulas. Glycan monosaccharide composition and variation thereof may affect functionality, such as the interaction of glycans with the immune system via recognition receptors. It is therefore highly relevant to understand whether and how the glycosylation of whey proteins (and their functionality) can be modulated. We recently showed that the glycoprofile of GlyCAM-1 varies between cows and during early lactation, whereas the glycoprofile of lactoferrin was highly constant. In the current study, we evaluated intercow differences and the effects of macronutrient supply on the N-linked glycosylation profiles of the major whey proteins in milk samples of Holstein-Friesian cows. Overall, approximately 60% of the N-glycan pool in milk protein was sialylated, or fucosylated, or both; GlyCAM-1 contributed approximately 78% of the total number of glycans in the overall whey protein N-linked glycan pool. The degree of fucosylation ranged from 44.8 to 73.3% between cows, and this variation was mainly attributed to the glycans of GlyCAM-1. Dietary supplementation with fat or protein did not influence the overall milk serum glycoprofile. Postruminal infusion of palm olein, glucose, and essential AA resulted in shifts in the degree of GlyCAM-1 fucosylation within individual cows, ranging in some cases from 50 to 71% difference in degree of fucosylation, regardless of treatment. Overall, these data demonstrate that the glycosylation, and particularly fucosylation, of GlyCAM-1 was variable, although these shifts appear to be related more to individual cow variation than to nutrient supply. To our knowledge, this is the first report of variation in glycosylation of a milk glycoprotein in mature, noncolostral milk. The functional implications of variable GlyCAM-1 fucosylation remain to be investigated.
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Affiliation(s)
- Rivca L Valk-Weeber
- Microbial Physiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Nijenborgh 7, 9747 AG Groningen, the Netherlands
| | - Kelly Nichols
- Animal Nutrition Group, Wageningen University and Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - Lubbert Dijkhuizen
- Microbial Physiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Nijenborgh 7, 9747 AG Groningen, the Netherlands; CarbExplore Research BV, Zernikepark 12, 9747 AN Groningen, the Netherlands
| | - Etske Bijl
- Dairy Science and Technology, Food Quality and Design Group, Wageningen University and Research, PO Box 17, 6700 AA Wageningen, the Netherlands
| | - Sander S van Leeuwen
- Microbial Physiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Nijenborgh 7, 9747 AG Groningen, the Netherlands; Sector Human Nutrition and Health, Laboratory Medicine, University Medical Center Groningen (UMCG), Hanzeplein 1, 9713 GZ, Groningen, the Netherlands.
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16
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Quantitative analysis of bovine whey glycoproteins using the overall N-linked whey glycoprofile. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104814] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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