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Yamatoya K, Kurosawa M, Hirose M, Miura Y, Taka H, Nakano T, Hasegawa A, Kagami K, Yoshitake H, Goto K, Ueno T, Fujiwara H, Shinkai Y, Kan FWK, Ogura A, Araki Y. The fluid factor OVGP1 provides a significant oviductal microenvironment for the reproductive process in golden hamster†. Biol Reprod 2024; 110:465-475. [PMID: 37995271 PMCID: PMC10941085 DOI: 10.1093/biolre/ioad159] [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: 04/10/2023] [Revised: 08/23/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023] Open
Abstract
The mammalian oviductal lumen is a specialized chamber that provides an environment that strictly regulates fertilization and early embryogenesis, but the regulatory mechanisms to gametes and zygotes are unclear. We evaluated the oviductal regulation of early embryonic development using Ovgp1 (encoding an oviductal humoral factor, OVGP1)-knockout golden hamsters. The experimental results revealed the following: (1) female Ovgp1-knockout hamsters failed to produce litters; (2) in the oviducts of Ovgp1-knockout animals, fertilized eggs were sometimes identified, but their morphology showed abnormal features; (3) the number of implantations in the Ovgp1-knockout females was low; (4) even if implantations occurred, the embryos developed abnormally and eventually died; and (5) Ovgp1-knockout female ovaries transferred to wild-type females resulted in the production of Ovgp1-knockout egg-derived OVGP1-null litters, but the reverse experiment did not. These results suggest that OVGP1-mediated physiological events are crucial for reproductive process in vivo, from fertilization to early embryonic development. This animal model shows that the fate of the zygote is determined not only genetically, but also by the surrounding oviductal microenvironment.
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Affiliation(s)
- Kenji Yamatoya
- Institute for Environmental & Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
| | - Masaru Kurosawa
- Institute for Environmental & Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
| | - Michiko Hirose
- Bioresource Engineering Division, RIKEN BioResource Research Center, Ibaraki, Japan
| | - Yoshiki Miura
- Laboratory of Proteomics & Biomolecular Sciences, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Hikari Taka
- Laboratory of Proteomics & Biomolecular Sciences, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Tomoyuki Nakano
- Department of Anatomy and Cell Biology, Yamagata University School of Medicine, Yamagata, Japan
| | - Akiko Hasegawa
- Department of Obstetrics & Gynecology, Hyogo Medical University, Hyogo, Japan
| | - Kyosuke Kagami
- Department of Obstetrics & Gynecology, Kanazawa University Graduate School of Medical Sciences, Ishikawa, Japan
| | - Hiroshi Yoshitake
- Institute for Environmental & Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
| | - Kaoru Goto
- Department of Anatomy and Cell Biology, Yamagata University School of Medicine, Yamagata, Japan
| | - Takashi Ueno
- Laboratory of Proteomics & Biomolecular Sciences, Biomedical Research Core Facilities, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics & Gynecology, Kanazawa University Graduate School of Medical Sciences, Ishikawa, Japan
| | - Yoichi Shinkai
- Cellular Memory Laboratory, RIKEN Cluster for Pioneering Research, RIKEN, Saitama, Japan
| | - Frederick W K Kan
- Department of Biomedical and Molecular Sciences, Faculty of Health Sciences, Queen’s University, Kingston, ON, Canada
| | - Atsuo Ogura
- Bioresource Engineering Division, RIKEN BioResource Research Center, Ibaraki, Japan
| | - Yoshihiko Araki
- Institute for Environmental & Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
- Division of Microbiology and Immunology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan
- Department of Obstetrics & Gynecology, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Yoshitake H, Araki Y. Role of the Glycosylphosphatidylinositol-Anchored Protein TEX101 and Its Related Molecules in Spermatogenesis. Int J Mol Sci 2020; 21:ijms21186628. [PMID: 32927778 PMCID: PMC7555588 DOI: 10.3390/ijms21186628] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 12/14/2022] Open
Abstract
Glycosylphosphatidylinositol (GPI)-anchored proteins (APs) on the plasma membrane are involved in several cellular processes, including sperm functions. Thus far, several GPI-APs have been identified in the testicular germ cells, and there is increasing evidence of their biological significance during fertilization. Among GPI-APs identified in the testis, this review focuses on TEX101, a germ cell-specific GPI-AP that belongs to the lymphocyte antigen 6/urokinase-type plasminogen activator receptor superfamily. This molecule was originally identified as a glycoprotein that contained the antigen epitope for a specific monoclonal antibody; it was produced by immunizing female mice with an allogenic testicular homogenate. This review mainly describes the current understanding of the biochemical, morphological, and physiological characteristics of TEX101. Furthermore, future avenues for the investigation of testicular GPI-Aps, including their potential role as regulators of ion channels, are discussed.
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Affiliation(s)
- Hiroshi Yoshitake
- Institute for Environmental & Gender-specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba 279-0021, Japan;
| | - Yoshihiko Araki
- Institute for Environmental & Gender-specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba 279-0021, Japan;
- Department of Obstetrics & Gynecology, Juntendo University Graduate School of Medicine, Bunkyo, Tokyo 113-8421, Japan
- Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Itabashi, Tokyo 173-8610, Japan
- Correspondence: ; Tel.: +81-47-353-3171; Fax: +81-47-353-3178
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Gimeno A, Reichardt NC, Cañada FJ, Perkams L, Unverzagt C, Jiménez-Barbero J, Ardá A. NMR and Molecular Recognition of N-Glycans: Remote Modifications of the Saccharide Chain Modulate Binding Features. ACS Chem Biol 2017; 12:1104-1112. [PMID: 28192664 PMCID: PMC5435455 DOI: 10.1021/acschembio.6b01116] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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Glycans
play a key role as recognition elements in the communication
of cells and other organisms. Thus, the analysis of carbohydrate–protein
interactions has gained significant importance. In particular, nuclear
magnetic resonance (NMR) techniques are considered powerful tools
to detect relevant features in the interaction between sugars and
their natural receptors. Here, we present the results obtained in
the study on the molecular recognition of different mannose-containing
glycans by Pisum sativum agglutinin. NMR experiments
supported by Corcema-ST analysis, isothermal titration calorimetry
(ITC) experiments, and molecular dynamics (MD) protocols have been
successfully applied to unmask important binding features and especially
to determine how a remote branching substituent significantly alters
the binding mode of the sugar entity. These results highlight the
key influence of common structural modifications in natural glycans
on molecular recognition processes and underscore their importance
for the development of biomedical applications.
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Affiliation(s)
- Ana Gimeno
- Molecular Recognition & Host−Pathogen Interactions Unit, CIC bioGUNE, Bizkaia Technology Park, Building 801A, 48170 Derio, Spain
| | - Niels-Christian Reichardt
- Glycotechnology
Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20014 San Sebastián, Spain
- CIBER-BBN, Paseo Miramón 182, 20014 San Sebastián, Spain
| | - F. Javier Cañada
- Chemical
and Physical Biology, CIB-CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Lukas Perkams
- Bioorganic
Chemistry, Gebäude NWI, Universität Bayreuth, 95440 Bayreuth, Germany
| | - Carlo Unverzagt
- Bioorganic
Chemistry, Gebäude NWI, Universität Bayreuth, 95440 Bayreuth, Germany
| | - Jesús Jiménez-Barbero
- Molecular Recognition & Host−Pathogen Interactions Unit, CIC bioGUNE, Bizkaia Technology Park, Building 801A, 48170 Derio, Spain
- Ikerbasque, Basque Foundation for Science, Maria Diaz de Haro 13, 48009 Bilbao, Spain
- Department of Organic Chemistry II, Faculty of Science & Technology, University of the Basque Country, 48940 Leioa, Bizkaia, Spain
| | - Ana Ardá
- Molecular Recognition & Host−Pathogen Interactions Unit, CIC bioGUNE, Bizkaia Technology Park, Building 801A, 48170 Derio, Spain
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Identification of an anti-sperm auto-monoclonal antibody (Ts4)-recognized molecule in the mouse sperm acrosomal region and its inhibitory effect on fertilization in vitro. J Reprod Immunol 2016; 115:6-13. [PMID: 27064211 DOI: 10.1016/j.jri.2016.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Revised: 03/26/2016] [Accepted: 04/01/2016] [Indexed: 11/23/2022]
Abstract
We previously established an anti-mouse sperm auto-monoclonal antibody, Ts4, which shows immunoreactivity against several kinds of glycoproteins in the acrosomal region of epididymal spermatozoa, testicular germ cells, and early embryo, via binding to an epitope containing a common N-linked oligosaccharide (OS) chain on the molecules. In mice, we have already demonstrated that the OS chain in the epitope for Ts4 is a fucosylated agalacto-complex-type biantennary glycan carrying bisecting N-acetylglucosamine. In the testis, one of the specific OS chain-conjugated molecules is TEX101, a germ cell-marker glycoprotein, which is expressed in spermatocytes, spermatids, and testicular spermatozoa, but not in epididymal spermatozoa. In this study, we identified a Ts4-reactive glycoprotein in mouse cauda epididymal sperm. An immunoprecipitation method together with liquid chromatography-tandem mass spectrometry showed that alpha-N-acetylglucosaminidase (Naglu; a degradation enzyme of heparan sulfate) is one of the glycoproteins recognized by Ts4 in the epididymal spermatozoa. Western blot and immunohistochemical analyses revealed that mouse Naglu exists in two forms (82 and 77kDa) and is expressed in the acrosomal region and the flagellum of cauda epididymal sperm. Of the two Naglu-forms expressed in sperm, Ts4 immunoreacted against only the 82-kDa form located on the acrosomal region. The Ts4 mAb and anti-Naglu pAb negatively affected mouse fertilization in vitro. In addition, Ts4 inhibited sperm acrosome reaction induced by heparan sulfate. The Ts4-recognized fucosylated agalactobiantennary complex-type glycan with bisecting N-acetylglucosamine and Naglu on cauda epididymal spermatozoa may play a role in the process of fertilization.
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