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Xu Y, Sun S, Fu Y, Wang L, Ren C, Ling Y, Zhang Z, Cao H. Positive In Vitro Effect of ROCK Pathway Inhibitor Y-27632 on Qualitative Characteristics of Goat Sperm Stored at Low Temperatures. Animals (Basel) 2024; 14:1441. [PMID: 38791659 PMCID: PMC11117216 DOI: 10.3390/ani14101441] [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: 04/23/2024] [Revised: 05/09/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
Y-27632, as a cytoskeleton protector, is commonly used for low-temperature preservation of cells. Goat sperm are prone to damage to the cytoskeleton under low-temperature conditions, leading to a loss of sperm vitality. However, the Y-27632 small molecule has not yet been used in research on low-temperature preservation of goat semen. This study aims to address the issue of low temperature-induced loss of sperm motility in goats by using Y-27632, and explore the regulation of Y-27632 on goat sperm metabolism. At a low temperature of 4 °C, different concentrations of Y-27632 were added to the sperm diluent. The regulation of Y-27632 on the quality of low temperature-preserved goat semen was evaluated by detecting goat sperm motility, antioxidant capacity, mitochondrial activity, cholesterol levels, and metabolomics analysis. The results indicated that 20 µM Y-27632 significantly increased plasma membrane integrity (p < 0.05), and acrosome integrity (p < 0.05) and sperm motility (p < 0.05), increased levels of superoxide dismutase (SOD) and catalase (CAT) (p < 0.01), increased total antioxidant capacity (T-AOC) (p < 0.05), decreased levels of malondialdehyde (MDA) and reactive oxygen species (ROS) (p < 0.01), and significantly increased mitochondrial membrane potential (MMP). The levels of ATP, Ca2+, and TC in sperm increased (p < 0.01). Twenty metabolites with significant differences were identified, with six metabolic pathways having a significant impact, among which the D-glutamic acid and D-glutamine metabolic pathways had the most significant impact. The artificial insemination effect of goat semen treated with 20 μM Y-27632 was not significantly different from that of fresh semen. This study indicates that Y-27632 improves the quality of low-temperature preservation of sperm by protecting the sperm plasma membrane, enhancing sperm antioxidant capacity, regulating D-glutamine and D-glutamate metabolism, and promoting the application of low-temperature preservation of semen in artificial insemination technology.
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Affiliation(s)
- Yongjie Xu
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
| | - Shixin Sun
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
| | - Yu Fu
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
| | - Lei Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
| | - Chunhuan Ren
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
- Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, Anhui Agricultural University, Hefei 230036, China
| | - Yinghui Ling
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
- Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, Anhui Agricultural University, Hefei 230036, China
| | - Zijun Zhang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
- Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, Anhui Agricultural University, Hefei 230036, China
| | - Hongguo Cao
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.X.); (S.S.); (Y.F.); (L.W.); (C.R.); (Y.L.); (Z.Z.)
- Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, Anhui Agricultural University, Hefei 230036, China
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Oliver EI, Jabloñski M, Buffone MG, Darszon A. Two-pore channel 1 and Ca 2+ release-activated Ca 2+ channels contribute to the acrosomal pH-dependent intracellular Ca 2+ increase in mouse sperm. J Physiol 2023; 601:2935-2958. [PMID: 37278367 DOI: 10.1113/jp284247] [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: 12/10/2022] [Accepted: 05/16/2023] [Indexed: 06/07/2023] Open
Abstract
The acrosome is a lysosome-related vesicular organelle located in the sperm head. The acrosomal reaction (AR) is an exocytic process mediated by Ca2+ and essential for mammalian fertilization. Recent findings support the importance of acrosomal alkalinization for the AR. Mibefradil (Mib) and NNC 55-0396 (NNC) are two amphipathic weak bases that block the sperm-specific Ca2+ channel (CatSper) and induce acrosomal pH (pHa ) increase by accumulating in the acrosomal lumen of mammalian sperm. This accumulation and pHa elevation increase the intracellular Ca2+ concentration ([Ca2+ ]i ) and trigger the AR by unknown mechanisms of Ca2+ transport. Here, we investigated the pathways associated with the pHa increase-induced Ca2+ signals using mouse sperm as a model. To address these questions, we used single-cell Ca2+ imaging, the lysosomotropic agent Gly-Phe-β-naphthylamide (GPN) and pharmacological tools. Our findings show that Mib and NNC increase pHa and release acrosomal Ca2+ without compromising acrosomal membrane integrity. Our GPN results indicate that the osmotic component does not significantly contribute to acrosomal Ca2+ release caused by pHa rise. Inhibition of two-pore channel 1 (TPC1) channels reduced the [Ca2+ ]i increase stimulated by acrosomal alkalinization. In addition, blockage of Ca2+ release-activated Ca2+ (CRAC) channels diminished Ca2+ uptake triggered by pHa alkalinization. Finally, our findings contribute to understanding how pHa controls acrosomal Ca2+ efflux and extracellular Ca2+ entry during AR in mouse sperm. KEY POINTS: The acrosomal vesicle is a lysosome-related organelle located in the sperm head. The acrosome reaction (AR) is a highly regulated exocytic process mediated by Ca2+ , which is essential for fertilization. However, the molecular identity of Ca2+ transporters involved in the AR and their mechanisms to regulate Ca2+ fluxes are not fully understood. In mammalian sperm, acrosomal alkalinization induces intracellular Ca2+ concentration ([Ca2+ ]i ) increase and triggers the AR by unknown molecular mechanisms of Ca2+ transport. In this study, we explored the molecular mechanisms underlying Ca2+ signals caused by acrosomal alkalinization using mouse sperm as a model. TPC1 and CRAC channels contribute to [Ca2+ ]i elevation during acrosomal alkalinization. Our findings expand our understanding of how the acrosomal pH participates in the physiological induction of the AR.
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Affiliation(s)
- Enrique I Oliver
- Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología, Universidad Autónoma de México, Cuernavaca, Morelos, México
- Centro de Investigación en Dinámica Celular, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, México
| | - Martina Jabloñski
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Buenos Aires, Argentina
| | - Mariano G Buffone
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Buenos Aires, Argentina
| | - Alberto Darszon
- Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología, Universidad Autónoma de México, Cuernavaca, Morelos, México
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Yin Y, Shen H. Common methods in mitochondrial research (Review). Int J Mol Med 2022; 50:126. [PMID: 36004457 PMCID: PMC9448300 DOI: 10.3892/ijmm.2022.5182] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/09/2022] [Indexed: 01/18/2023] Open
Affiliation(s)
- Yiyuan Yin
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Haitao Shen
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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Zhao Y, Wang H, Wiesehoefer C, Shah NB, Reetz E, Hwang JY, Huang X, Wang TE, Lishko PV, Davies KM, Wennemuth G, Nicastro D, Chung JJ. 3D structure and in situ arrangements of CatSper channel in the sperm flagellum. Nat Commun 2022; 13:3439. [PMID: 35715406 PMCID: PMC9205950 DOI: 10.1038/s41467-022-31050-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 05/31/2022] [Indexed: 12/14/2022] Open
Abstract
The sperm calcium channel CatSper plays a central role in successful fertilization as a primary Ca2+ gateway. Here, we applied cryo-electron tomography to visualize the higher-order organization of the native CatSper complex in intact mammalian sperm. The repeating CatSper units form long zigzag-rows along mouse and human sperm flagella. Above each tetrameric channel pore, most of the extracellular domains form a canopy that interconnects to a zigzag-shaped roof. Murine CatSper contains an additional wing-structure connected to the tetrameric channel. The intracellular domains link two neighboring channels to a diagonal array, suggesting a dimer formation. Fitting of an atomic model of isolated monomeric CatSper to the in situ map reveals supramolecular interactions and assembly of the CatSper complex. Loss of EFCAB9-CATSPERζ alters the architecture and interactions of the channels, resulting in fragmentation and misalignment of the zigzag-rows and disruption of flagellar movement in Efcab9-/- sperm. This work offers unique insights into the structural basis for understanding CatSper regulation of sperm motility.
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Affiliation(s)
- Yanhe Zhao
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Huafeng Wang
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Caroline Wiesehoefer
- Department of Anatomy, University of Duisburg-Essen, Medical Faculty, 45147, Essen, Germany
| | - Naman B Shah
- Department of Molecular and Cell Biology, University of California, Berkeley, CA, 94720, USA
- Molecular Biophysics and Integrative Bioimaging division, Bioscience Area, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Evan Reetz
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Jae Yeon Hwang
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Xiaofang Huang
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Tse-En Wang
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Polina V Lishko
- Department of Molecular and Cell Biology, University of California, Berkeley, CA, 94720, USA
- The Center for Reproductive Longevity and Equality, Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Karen M Davies
- Department of Molecular and Cell Biology, University of California, Berkeley, CA, 94720, USA
- Molecular Biophysics and Integrative Bioimaging division, Bioscience Area, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Gunther Wennemuth
- Department of Anatomy, University of Duisburg-Essen, Medical Faculty, 45147, Essen, Germany
| | - Daniela Nicastro
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.
| | - Jean-Ju Chung
- Department of Cellular and Molecular Physiology, Yale School of Medicine, New Haven, CT, 06510, USA.
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA.
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Mata-Martínez E, Sánchez-Cárdenas C, Chávez JC, Guerrero A, Treviño CL, Corkidi G, Montoya F, Hernandez-Herrera P, Buffone MG, Balestrini PA, Darszon A. Role of calcium oscillations in sperm physiology. Biosystems 2021; 209:104524. [PMID: 34453988 DOI: 10.1016/j.biosystems.2021.104524] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 10/20/2022]
Abstract
Intracellular Ca2+ is a key regulator of cell signaling and sperm are not the exception. Cells often use cytoplasmic Ca2+ concentration ([Ca2+]i) oscillations as a means to decodify external and internal information. [Ca2+]i oscillations faster than those usually found in other cells and correlated with flagellar beat were the first to be described in sperm in 1993 by Susan Suarez, in the boar. More than 20 years passed before similar [Ca2+]i oscillations were documented in human sperm, simultaneously examining their flagellar beat in three dimensions by Corkidi et al. 2017. On the other hand, 10 years after the discovery of the fast boar [Ca2+]i oscillations, slower ones triggered by compounds from the egg external envelope were found to regulate cell motility and chemotaxis in sperm from marine organisms. Today it is known that sperm display fast and slow spontaneous and agonist triggered [Ca2+]i oscillations. In mammalian sperm these Ca2+ transients may act like a multifaceted tool that regulates fundamental functions such as motility and acrosome reaction. This review covers the main sperm species and experimental conditions where [Ca2+]i oscillations have been described and discusses what is known about the transporters involved, their regulation and the physiological purpose of these oscillations. There is a lot to be learned regarding the origin, regulation and physiological relevance of these Ca2+ oscillations.
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Affiliation(s)
- Esperanza Mata-Martínez
- Laboratorio de Fusión de Membranas y Exocitosis Acrosomal, Instituto de Histología y Embriología Dr. Mario H. Burgos (IHEM) Universidad Nacional de Cuyo, CONICET, Mendoza, Argentina.
| | - Claudia Sánchez-Cárdenas
- Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología (IBT), Universidad Nacional Autónoma de México (UNAM), Cuernavaca, Morelos, Mexico.
| | - Julio C Chávez
- Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología (IBT), Universidad Nacional Autónoma de México (UNAM), Cuernavaca, Morelos, Mexico.
| | - Adán Guerrero
- Laboratorio Nacional de Microscopía Avanzada, IBT, UNAM, Mexico.
| | - Claudia L Treviño
- Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología (IBT), Universidad Nacional Autónoma de México (UNAM), Cuernavaca, Morelos, Mexico.
| | - Gabriel Corkidi
- Departamento de Ingeniería Celular y Biocatálisis, Laboratorio de Imágenes y Visión por Computadora, IBT, UNAM, Mexico.
| | - Fernando Montoya
- Departamento de Ingeniería Celular y Biocatálisis, Laboratorio de Imágenes y Visión por Computadora, IBT, UNAM, Mexico.
| | - Paul Hernandez-Herrera
- Departamento de Ingeniería Celular y Biocatálisis, Laboratorio de Imágenes y Visión por Computadora, IBT, UNAM, Mexico.
| | - Mariano G Buffone
- Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - Paula A Balestrini
- Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - Alberto Darszon
- Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología (IBT), Universidad Nacional Autónoma de México (UNAM), Cuernavaca, Morelos, Mexico.
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Reynoso S, Castillo V, Katkar GD, Lopez-Sanchez I, Taheri S, Espinoza C, Rohena C, Sahoo D, Gagneux P, Ghosh P. GIV/Girdin, a non-receptor modulator for Gαi/s, regulates spatiotemporal signaling during sperm capacitation and is required for male fertility. eLife 2021; 10:69160. [PMID: 34409938 PMCID: PMC8376251 DOI: 10.7554/elife.69160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/05/2021] [Indexed: 12/25/2022] Open
Abstract
For a sperm to successfully fertilize an egg, it must first undergo capacitation in the female reproductive tract and later undergo acrosomal reaction (AR) upon encountering an egg surrounded by its vestment. How premature AR is avoided despite rapid surges in signaling cascades during capacitation remains unknown. Using a combination of conditional knockout (cKO) mice and cell-penetrating peptides, we show that GIV (CCDC88A), a guanine nucleotide-exchange modulator (GEM) for trimeric GTPases, is highly expressed in spermatocytes and is required for male fertility. GIV is rapidly phosphoregulated on key tyrosine and serine residues in human and murine spermatozoa. These phosphomodifications enable GIV-GEM to orchestrate two distinct compartmentalized signaling programs in the sperm tail and head; in the tail, GIV enhances PI3K→Akt signals, sperm motility and survival, whereas in the head it inhibits cAMP surge and premature AR. Furthermore, GIV transcripts are downregulated in the testis and semen of infertile men. These findings exemplify the spatiotemporally segregated signaling programs that support sperm capacitation and shed light on a hitherto unforeseen cause of infertility in men.
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Affiliation(s)
- Sequoyah Reynoso
- Department of Pathology, School of Medicine, University of California San Diego, San Diego, United States
| | - Vanessa Castillo
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, San Diego, United States
| | - Gajanan Dattatray Katkar
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, San Diego, United States
| | - Inmaculada Lopez-Sanchez
- Department of Medicine, School of Medicine, University of California San Diego, San Diego, United States
| | - Sahar Taheri
- Department of Computer Science and Engineering, Jacob's School of Engineering, University of California San Diego, San Diego, United States
| | - Celia Espinoza
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, San Diego, United States
| | - Cristina Rohena
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, San Diego, United States
| | - Debashis Sahoo
- Department of Computer Science and Engineering, Jacob's School of Engineering, University of California San Diego, San Diego, United States.,Moore's Comprehensive Cancer Center, University of California San Diego, San Diego, United States.,Department of Pediatrics, School of Medicine, University of California San Diego, San Diego, United States
| | - Pascal Gagneux
- Department of Pathology, School of Medicine, University of California San Diego, San Diego, United States
| | - Pradipta Ghosh
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, San Diego, United States.,Department of Medicine, School of Medicine, University of California San Diego, San Diego, United States.,Moore's Comprehensive Cancer Center, University of California San Diego, San Diego, United States.,Veterans Affairs Medical Center, Washington DC, United States
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