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Garay YC, Cejas RB, Lorenz V, Zlocowski N, Parodi P, Ferrero FA, Angeloni G, García VA, Sendra VG, Lardone RD, Irazoqui FJ. Polypeptide N-acetylgalactosamine transferase 3: a post-translational writer on human health. J Mol Med (Berl) 2022; 100:1387-1403. [PMID: 36056254 DOI: 10.1007/s00109-022-02249-5] [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: 04/27/2022] [Revised: 08/10/2022] [Accepted: 08/17/2022] [Indexed: 10/14/2022]
Abstract
Polypeptide N-acetylgalactosamine transferase 3 (ppGalNAc-T3) is an enzyme involved in the initiation of O-GalNAc glycan biosynthesis. Acting as a writer of frequent post-translational modification (PTM) on human proteins, ppGalNAc-T3 has key functions in the homeostasis of human cells and tissues. We review the relevant roles of this molecule in the biosynthesis of O-GalNAc glycans, as well as in biological functions related to human physiological and pathological conditions. With main emphasis in ppGalNAc-T3, we draw attention to the different ways involved in the modulation of ppGalNAc-Ts enzymatic activity. In addition, we take notice on recent reports of ppGalNAc-T3 having different subcellular localizations, highlight critical intrinsic and extrinsic functions in cellular physiology that are exerted by ppGalNAc-T3-synthesized PTMs, and provide an update on several human pathologies associated with dysfunctional ppGalNAc-T3. Finally, we propose biotechnological tools as new therapeutic options for the treatment of pathologies related to altered ppGalNAc-T3. KEY MESSAGES: ppGalNAc-T3 is a key enzyme in the human O-GalNAc glycans biosynthesis. enzyme activity is regulated by PTMs, lectin domain and protein-protein interactions. ppGalNAc-T3 is located in human Golgi apparatus and cell nucleus. ppGalNAc-T3 has a central role in cell physiology as well as in several pathologies. Biotechnological tools for pathological management are proposed.
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Affiliation(s)
- Yohana Camila Garay
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Romina Beatriz Cejas
- Department of Pharmacology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Virginia Lorenz
- Facultad de Bioquímica Y Ciencias Biológicas, Instituto de Salud Y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Santa Fe, Argentina
| | - Natacha Zlocowski
- Centro de Microscopía Electrónica, Facultad de Ciencias Médicas, Instituto de Investigaciones en Ciencias de La Salud (INICSA-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Pedro Parodi
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Franco Alejandro Ferrero
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Genaro Angeloni
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Valentina Alfonso García
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Victor German Sendra
- Center for Translational Ocular Immunology, Department of Ophthalmology, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA
| | - Ricardo Dante Lardone
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Fernando José Irazoqui
- Centro de Investigaciones en Química Biológica de Córdoba, CIQUIBIC, CONICET and Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina.
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Enoiu SI, Nygaard MB, Bungum M, Ziebe S, Petersen MR, Almstrup K. Expression of membrane fusion proteins in spermatozoa and total fertilisation failure during in vitro fertilisation. Andrology 2022; 10:1317-1327. [PMID: 35727923 PMCID: PMC9540887 DOI: 10.1111/andr.13215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 05/18/2022] [Accepted: 06/09/2022] [Indexed: 11/28/2022]
Abstract
Background Couples increasingly experience infertility and seek help from assisted reproductive techniques to become pregnant. However, 5%–15% of the couples that are selected for in vitro fertilisation (IVF) experience a total fertilisation failure (TFF), where no zygotes develop despite oocytes and semen parameters appear to be normal. We hypothesise that TFF during IVF could be related to improper membrane fusion of gametes. Objective To investigate the membrane integrity and fusion proteins in spermatozoa from men in couples experiencing TFF. Materials and methods A total of 33 infertile couples, 17 of which experienced TFF during IVF and 16 matched control couples with normal IVF fertilisation rates, were selected and the men re‐called to deliver an additional semen sample. Proteins involved in gamete membrane fusion on spermatozoa (IZUMO1, SPESP1 and Syncytin‐1) as well as O‐glycosylation patterns (Tn and GALNT3), were investigated by immunofluorescence. The DNA fragmentation index, acrosomal integrity and viability of spermatozoa were determined by flow and image cytometry. Results No significant changes in the expression of GALNT3, Tn and Syncytin‐1 were observed between the TFF and control groups. The fraction of spermatozoa expressing SPESP1, the median IZUMO1 staining intensity, and the percentage of viable acrosome‐intact spermatozoa were significantly lower in the TFF group compared to controls. Furthermore, following progesterone‐induced acrosomal exocytosis, a significant difference in the fraction of spermatozoa expressing SPESP1 and the median IZUMO1 staining intensity were observed between the control and TFF group. Discussion and conclusion Our results indicate that acrosomal exocytosis, IZUMO1 and SPESP1 expression in spermatozoa could play a crucial role in achieving fertilisation during IVF. However, the size of our cohort was quite small, and our results need to be validated with quantitative methods in larger cohorts.
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Affiliation(s)
- Simona Ioana Enoiu
- The Fertility Clinic, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark.,Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark
| | - Marie Berg Nygaard
- The Fertility Clinic, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark.,Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark
| | - Mona Bungum
- Reproductive Medicine Centre, Skåne University Hospital, Malmo, Sweden
| | - Søren Ziebe
- The Fertility Clinic, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark
| | - Morten R Petersen
- The Fertility Clinic, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark
| | - Kristian Almstrup
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark.,International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, DK-2100, Denmark.,Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Kato K, Hansen L, Clausen H. Polypeptide N-acetylgalactosaminyltransferase-Associated Phenotypes in Mammals. Molecules 2021; 26:5504. [PMID: 34576978 PMCID: PMC8472655 DOI: 10.3390/molecules26185504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 01/31/2023] Open
Abstract
Mucin-type O-glycosylation involves the attachment of glycans to an initial O-linked N-acetylgalactosamine (GalNAc) on serine and threonine residues on proteins. This process in mammals is initiated and regulated by a large family of 20 UDP-GalNAc: polypeptide N-acetylgalactosaminyltransferases (GalNAc-Ts) (EC 2.4.1.41). The enzymes are encoded by a large gene family (GALNTs). Two of these genes, GALNT2 and GALNT3, are known as monogenic autosomal recessive inherited disease genes with well characterized phenotypes, whereas a broad spectrum of phenotypes is associated with the remaining 18 genes. Until recently, the overlapping functionality of the 20 members of the enzyme family has hindered characterizing the specific biological roles of individual enzymes. However, recent evidence suggests that these enzymes do not have full functional redundancy and may serve specific purposes that are found in the different phenotypes described. Here, we summarize the current knowledge of GALNT and associated phenotypes.
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Affiliation(s)
- Kentaro Kato
- Department of Eco-Epidemiology, Institute of Tropical Medicine, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
- School of Tropical Medicine and Global Health, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Lars Hansen
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Mærsk Building, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark;
| | - Henrik Clausen
- Copenhagen Center for Glycomics, Department of Cellular and Molecular Medicine, Mærsk Building, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark;
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Lan R, Xin M, Hao Z, You S, Xu Y, Wu J, Dang L, Zhang X, Sun S. Biological Functions and Large-Scale Profiling of Protein Glycosylation in Human Semen. J Proteome Res 2020; 19:3877-3889. [DOI: 10.1021/acs.jproteome.9b00795] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Rongxia Lan
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Miaomiao Xin
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
- Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Vodnany 38925, Czech Republic
| | - Zhifang Hao
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Shanshan You
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Yintai Xu
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Jingyu Wu
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Liuyi Dang
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Xinwen Zhang
- The Medical Genetics Centre, Xi 'an People's Hospital (Xi 'an Fourth Hospital), Xi’an Obstetrics and Gynecology Hospital, Xi’an, Shaanxi Province 710004, P. R. China
| | - Shisheng Sun
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
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Molecular Biology of Spermatozoa. Int J Mol Sci 2020; 21:ijms21093060. [PMID: 32357538 PMCID: PMC7246914 DOI: 10.3390/ijms21093060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 04/24/2020] [Indexed: 11/16/2022] Open
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