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Zigo M, Kerns K, Sutovsky P. The Ubiquitin-Proteasome System Participates in Sperm Surface Subproteome Remodeling during Boar Sperm Capacitation. Biomolecules 2023; 13:996. [PMID: 37371576 DOI: 10.3390/biom13060996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Sperm capacitation is a complex process endowing biological and biochemical changes to a spermatozoon for a successful encounter with an oocyte. The present study focused on the role of the ubiquitin-proteasome system (UPS) in the remodeling of the sperm surface subproteome. The sperm surface subproteome from non-capacitated and in vitro capacitated (IVC) porcine spermatozoa, with and without proteasomal inhibition, was selectively isolated. The purified sperm surface subproteome was analyzed using high-resolution, quantitative liquid chromatography-mass spectrometry (LC-MS) in four replicates. We identified 1680 HUGO annotated proteins, out of which we found 91 to be at least 1.5× less abundant (p < 0.05) and 141 to be at least 1.5× more abundant (p < 0.05) on the surface of IVC spermatozoa. These proteins were associated with sperm capacitation, hyperactivation, metabolism, acrosomal exocytosis, and fertilization. Abundances of 14 proteins were found to be significantly different (p < 0.05), exceeding a 1.5-fold abundance between the proteasomally inhibited (100 µM MG132) and vehicle control (0.2% ethanol) groups. The proteins NIF3L1, CSE1L, NDUFB7, PGLS, PPP4C, STK39, and TPRG1L were found to be more abundant; while BPHL, GSN, GSPT1, PFDN4, STYXL1, TIMM10, and UBXN4 were found to be less abundant in proteasomally inhibited IVC spermatozoa. Despite the UPS having a narrow range of targets, it modulated sperm metabolism and binding by regulating susceptible surface proteins. Changes in CSE1L, PFDN4, and STK39 during in vitro capacitation were confirmed using immunocytochemistry, image-based flow cytometry, and Western blotting. The results confirmed the active participation of the UPS in the extensive sperm surface proteome remodeling that occurs during boar sperm capacitation. This work will help us to identify new pharmacological mechanisms to positively or negatively modulate sperm fertilizing ability in food animals and humans.
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Affiliation(s)
- Michal Zigo
- Division of Animal Science, University of Missouri, Columbia, MO 65211, USA
| | - Karl Kerns
- Division of Animal Science, University of Missouri, Columbia, MO 65211, USA
- Department of Animal Science, Iowa State University, Ames, IA 50011, USA
| | - Peter Sutovsky
- Department of Animal Science, Iowa State University, Ames, IA 50011, USA
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, MO 65211, USA
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Heparin and Progesterone Exert Synergistic Effects to Improve the In-Vitro Fertilization Rate of Bovine Sperm Bound to Oviduct Cell Aggregates from the Isthmus. Vet Sci 2022; 9:vetsci9070372. [PMID: 35878389 PMCID: PMC9318521 DOI: 10.3390/vetsci9070372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/08/2022] [Accepted: 07/14/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary After mating, sperm starts its long journey with the ultimate goal of fertilizing the oocyte. Inside the oviduct, sperm is attached to the surface of epithelial cells. The intact and good-quality sperm are elected and stored. Many infertility-related problems are related to the short life span of the sperm and/or the delay of the capacitation process of sperm attached to the oviduct. Thus, the elongation of the life span of the sperm would be very helpful in overcoming such problems. We hereby aimed to evaluate the fertilization ability of sperm that bind to cell aggregates oviduct (infundibulum-ampulla-isthmus), and assess the effect of heparin and or progesterone on the in-vitro fertilization ability of sperm co-incubated with isthmus cells aggregates. The sperm bound to isthmus aggregates improved the rate of in-vitro fertilization compared to infundibulum and ampulla. Moreover, pre-treatment of mature oocytes with heparin and progesterone plays a coactive role that improves the in-vitro fertilization of sperm bound to cell aggregates from isthmus. In conclusion, binding to isthmus aggregates improves the in-vitro fertilization of bovine sperm. Additionally, heparin together with progesterone, exerts a synergistic action that improves the in-vitro fertilizing potential of sperm attached to isthmus aggregates. Abstract After the copulation process, some sperm start the long journey with an ultimate goal of fertilizing the oocyte. Inside the oviduct, sperm are stored, waiting for the ovulated oocyte where they bind to the apical surface of the oviduct cells, which in turn hold sperm to form a sperm nest. The essential functions of the sperm reservoir include attaching spermatozoa to oviduct epithelial cells, selecting intact, good-quality sperm with an end result of extending sperm life expectancy. The current study aimed to evaluate the fertilization ability of sperm that bind to cell aggregates from different parts of the oviduct (infundibulum-ampulla-isthmus), and to assess the effect of heparin and or progesterone (P4) on the in-vitro fertilization ability of sperm co-incubated with cell aggregates from the isthmus. In-vitro fertilization was identified as a cleaved oocyte to two cells or more. The sperm bound to cell aggregates from the isthmus improved the rate of in-vitro fertilization (48.09%) compared to aggregates from the infundibulum (36.90%) and ampulla (37.61%). Moreover, pre-treatment of mature COCs with heparin (40 μg/mL) and P4 (80 nanomolar) play a coactive role that improves the in-vitro fertilization ability of sperm bound to cell aggregates from isthmus (63.33%), compared to 42.61% in the absence of cells aggregates. In conclusion, binding to cell aggregates from isthmus improves the in-vitro fertilization ability of Bovine sperm. Additionally, heparin, together with P4, exerts a synergistic action that improves the in-vitro fertilizing potential of sperm attached to cell aggregates from the isthmus of the bovine oviduct.
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Zigo M, Kerns K, Sen S, Essien C, Oko R, Xu D, Sutovsky P. Zinc is a master-regulator of sperm function associated with binding, motility, and metabolic modulation during porcine sperm capacitation. Commun Biol 2022; 5:538. [PMID: 35660793 PMCID: PMC9166710 DOI: 10.1038/s42003-022-03485-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 05/12/2022] [Indexed: 12/12/2022] Open
Abstract
Sperm capacitation is a post-testicular maturation step endowing spermatozoa with fertilizing capacity within the female reproductive tract, significant for fertility, reproductive health, and contraception. Recently discovered mammalian sperm zinc signatures and their changes during sperm in vitro capacitation (IVC) warranted a more in-depth study of zinc interacting proteins (further zincoproteins). Here, we identified 1752 zincoproteins, with 102 changing significantly in abundance (P < 0.05) after IVC. These are distributed across 8 molecular functions, 16 biological processes, and 22 protein classes representing 130 pathways. Two key, paradigm-shifting observations were made: i) during sperm capacitation, molecular functions of zincoproteins are both upregulated and downregulated within several molecular function categories; and ii) Huntington's and Parkinson's disease pathways were the two most represented, making spermatozoon a candidate model for studying neurodegenerative diseases. These findings highlight the importance of Zn2+ homeostasis in reproduction, offering new avenues in semen processing for human-assisted reproductive therapy, identification of somatic-reproductive comorbidities, and livestock breeding.
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Affiliation(s)
- Michal Zigo
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA.
| | - Karl Kerns
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA
- Department of Animal Science, Iowa State University, Ames, IA, 50011, USA
| | - Sidharth Sen
- Institute for Data Science and Informatics, University of Missouri, Columbia, MO, 65201, USA
| | - Clement Essien
- Department of Electrical Engineering and Computer Science, Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA
| | - Richard Oko
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, K7L 3 N6, Canada
| | - Dong Xu
- Department of Electrical Engineering and Computer Science, Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA
| | - Peter Sutovsky
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA.
- Department of Obstetrics, Gynecology & Women's Health, University of Missouri, Columbia, MO, 65211, USA.
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Mirihagalle S, Hughes JR, Miller DJ. Progesterone-Induced Sperm Release from the Oviduct Sperm Reservoir. Cells 2022; 11:1622. [PMID: 35626659 PMCID: PMC9139440 DOI: 10.3390/cells11101622] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023] Open
Abstract
In mammalian females, after sperm are deposited in the reproductive tract, a fraction of sperm migrates to the lower oviduct (isthmus) and forms a sperm storage site known as the functional sperm reservoir. The interactions between sperm membrane proteins and oviduct epithelial cells facilitate sperm binding to the oviductal epithelium and retention in the reservoir. Sperm are bound by glycans that contain specific motifs present on isthmic epithelial cells. Capacitated sperm are released from the reservoir and travel further in the oviduct to the ampulla where fertilization occurs. For decades, researchers have been studying the molecules and mechanisms of sperm release from the oviductal sperm reservoir. However, it is still not clear if the release of sperm is triggered by changes in sperm, oviduct cells, oviduct fluid, or a combination of these. While there is a possibility that more than one of these events are involved in the release of sperm from the reservoir, one activator of sperm release has the largest accumulation of supporting evidence. This mechanism involves the steroid hormone, progesterone, as a signal that induces the release of sperm from the reservoir. This review gathers and synthesizes evidence for the role of progesterone in inducing sperm release from the oviduct functional sperm reservoir.
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Affiliation(s)
| | | | - David Joel Miller
- Department of Animal Sciences, Institute for Genomic Biology, University of Illinois, Urbana, IL 61801, USA; (S.M.); (J.R.H.)
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Hyperactivation is sufficient to release porcine sperm from immobilized oviduct glycans. Sci Rep 2022; 12:6446. [PMID: 35440797 PMCID: PMC9019019 DOI: 10.1038/s41598-022-10390-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 03/14/2022] [Indexed: 11/09/2022] Open
Abstract
Fertilizing sperm are retained by adhesion to specific glycans on the epithelium of the oviduct forming a reservoir before sperm are released from the reservoir so fertilization can ensue. Capacitated sperm lose affinity for the oviduct epithelium but the components of capacitation that are important for sperm release are uncertain. One important correlate of capacitation is the development of hyperactivated motility. Hyperactivation is characterized by asymmetrical flagellar beating with high beat amplitude. We tested whether the development of full-type asymmetrical motility was sufficient to release sperm from immobilized oviduct glycans. Sperm hyperactivation was induced by four different compounds, a cell-permeable cAMP analog (cBiMPS), CatSper activators (4-aminopyridine and procaine), and an endogenous steroid (progesterone). Using standard analysis (CASA) and direct visualization with high-speed video microscopy, we first confirmed that all four compounds induced hyperactivation. Subsequently, sperm were allowed to bind to immobilized oviduct glycans, and compounds or vehicle controls were added. All compounds caused sperm release from immobilized glycans, demonstrating that hyperactivation was sufficient to release sperm from oviduct cells and immobilized glycans. Pharmacological inhibition of the non-genomic progesterone receptor and CatSper diminished sperm release from oviduct glycans. Inhibition of the proteolytic activities of the ubiquitin-proteasome system (UPS), implicated in the regulation of sperm capacitation, diminished sperm release in response to all hyperactivation inducers. In summary, induction of sperm hyperactivation was sufficient to induce sperm release from immobilized oviduct glycans and release was dependent on CatSper and the UPS.
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Kumari K, Kumar A, Bahadur I, Singh P. Investigate the interaction of testosterone/progesterone with ionic liquids on varying the anion to combat COVID-19: Density functional theory calculations and molecular docking approach. J PHYS ORG CHEM 2021; 34:e4273. [PMID: 34511718 PMCID: PMC8420490 DOI: 10.1002/poc.4273] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/15/2021] [Accepted: 07/27/2021] [Indexed: 01/07/2023]
Abstract
Hormones like testosterone and progesterone in the humans play significant role in the regulation of various biological processes like the body growth, reproduction, and others. In last two decades, researchers are using ionic liquids (ILs) extensively in different areas of sciences, and they are a novel class of compounds as well as their polarity can be tuned. ILs are multidisciplinary in nature and can be used in chemistry, materials science, chemical engineering, and environmental science. Further, ILs are being explored to increase the solubility of drugs or biological potential molecules. Testosterone and progesterone are found to be not very polar in nature; therefore, the authors attempt to increase the solubility of testosterone and progesterone via interaction with ILs. It was studied with density functional theory calculations using Gaussian, and an increase in the value of dipole moment is observed for the complex of testosterone/progesterone with the ILs in comparison of individual one. The optimization energy and other thermodynamic energies of the ILs (IL1-IL3), testosterone (T), testosterone-IL (T-IL1 to T-IL3), progesterone (P), and progesterone-ILs (P-IL1 to P-IL3) are found to be negative. Further, the change in free energy for the formation of complexes at room temperature is calculated. Further, the authors have investigated the synergistic effect of testosterone and progesterone against the main protease of new coronavirus using molecular docking. It is observed that the testosterone-IL1 {IL1-3-(2-hydroxyethyl)-1-methyl-1H-imidazol-3-ium 2,4,6-trinitrophenolate} is found to be prominent against the main protease of SARS-CoV-2.
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Affiliation(s)
- Kamlesh Kumari
- Department of Zoology, Deen Dayal Upadhyaya CollegeUniversity of DelhiNew DelhiIndia
| | - Ajay Kumar
- Department of ChemistryIndian Institute of TechnologyNew DelhiIndia
| | - Indra Bahadur
- Department of Chemistry, Faculty of Natural and Agricultural SciencesNorth‐West UniversityMmabathoSouth Africa
| | - Prashant Singh
- Department of Chemistry, Atma Ram Sanatan Dharma CollegeUniversity of DelhiNew DelhiIndia
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