1
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Delgado-Bermúdez A. Insights into crucial molecules and protein channels involved in pig sperm cryopreservation. Anim Reprod Sci 2024:107547. [PMID: 38981798 DOI: 10.1016/j.anireprosci.2024.107547] [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: 05/15/2024] [Revised: 06/28/2024] [Accepted: 06/28/2024] [Indexed: 07/11/2024]
Abstract
Cryopreservation is the most efficient procedure for long-term preservation of mammalian sperm; however, its use is not currently dominant for boar sperm before its use for artificial insemination. In fact, freezing and thawing have an extensive detrimental effect on sperm function and lead to impaired fertility. The present work summarises the basis of the structural and functional impact of cryopreservation on pig sperm that have been extensively studied in recent decades, as well as the molecular alterations in sperm that are related to this damage. The wide variety of mechanisms underlying the consequences of alterations in expression levels and structural modifications of sperm proteins with diverse functions is detailed. Moreover, the use of cryotolerance biomarkers as predictors of the potential resilience of a sperm sample to the cryopreservation process is also discussed. Regarding the proteins that have been identified to be relevant during the cryopreservation process, they are classified according to the functions they carry out in sperm, including antioxidant function, plasma membrane protection, sperm motility regulation, chromatin structure, metabolism and mitochondrial function, heat-shock response, premature capacitation and sperm-oocyte binding and fusion. Special reference is made to the relevance of sperm membrane channels, as their function is crucial for boar sperm to withstand osmotic shock during cryopreservation. Finally, potential aims for future research on cryodamage and cryotolerance are proposed, which might be crucial to minimise the side-effects of cryopreservation and to make it a more advantageous strategy for boar sperm preservation.
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Affiliation(s)
- Ariadna Delgado-Bermúdez
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona ES-17003, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona ES-17003, Spain.
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2
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Moradi M, Hashemian MA, Faramarzi A, Goodarzi N, Hashemian AH, Cheraghi H, Jalili C. Therapeutic effect of sodium alginate on bleomycin, etoposide and cisplatin (BEP)-induced reproductive toxicity by inhibiting nitro-oxidative stress, inflammation and apoptosis. Sci Rep 2024; 14:1565. [PMID: 38238398 PMCID: PMC10796429 DOI: 10.1038/s41598-024-52010-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/12/2024] [Indexed: 01/22/2024] Open
Abstract
Impaired spermatogenesis and male infertility are common consequences of chemotherapy drugs used in patients with testicular cancer. The present study investigated the effects of sodium alginate (NaAL) on testicular toxicity caused by bleomycin, etoposide, and cisplatin (BEP). Rats in group 1 received normal saline, while groups 2 and 3 were treated with 25 and 50 mg/kg of NaAL, respectively. Group 4 was treated with a 21-day cycle of BEP (0.5 mg/kg bleomycin, 5 mg/kg etoposide, and 1 mg/kg cisplatin), and groups 5 and 6 received BEP regimen plus 25 and 50 mg/kg of NaAL, respectively. Then, sperm parameters, testosterone levels, testicular histopathology and stereological parameters, testicular levels of malondialdehyde (MDA), nitric oxide (NO), and total antioxidant capacity (TAC), and the expression of apoptosis-associated genes including Bcl2, Bax, Caspase3, p53, and TNF-α were evaluated. Our findings revealed that NaAL improved sperm parameters, testosterone levels, histopathology, and stereology parameters in BEP-administrated rats. NaAL also improved testis antioxidant status by enhancing TAC and ameliorating MDA and NO. Further, modifications to the expression of Bcl2, Bax, Caspase3, p53, and TNF-α suggested that NaAL alleviated BEP-induced apoptosis and inflammation. Collectively, NaAL protects rats' testes against BEP-evoked toxicity damage through the modulation of nitro-oxidative stress, apoptosis, and inflammation.
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Affiliation(s)
- Mojtaba Moradi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Azita Faramarzi
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
- Department of Anatomical Sciences, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Nader Goodarzi
- Department of Basic and Pathobiological Sciences, Faculty of Veterinary Medicine, Razi Universtiy, Kermanshah, Iran.
| | - Amir Hossein Hashemian
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Biostatistics, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hadi Cheraghi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran
| | - Cyrus Jalili
- Department of Anatomical Sciences, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
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3
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Şimşek S, Erdogan E. The Effects of Silymarin Supplementation on Post-Thawed Human Sperm Functional Parameters. Biopreserv Biobank 2023; 21:569-575. [PMID: 36383149 DOI: 10.1089/bio.2022.0065] [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] [Indexed: 11/17/2022] Open
Abstract
This study investigated the effect of silymarin on human sperm quality during cryopreservation. Samples were collected from 20 normospermic individuals, and each sample was divided into different concentrations of silymarin comprising the following groups: (0, 20, 100, 500, and 1000 μg/mL silymarin). Sperm quality parameters, such as plasma membrane integrity, mitochondrial membrane potential, acrosomal membrane integrity, and caspase 3 were estimated. Silymarin concentrations of 100-500 μg/mL significantly increased motility, plasma membrane integrity, and mitochondrial activity compared with the frozen control group. Acrosomal integrity was increased in the 1000 μg/mL silymarin group. Moreover, 20 and 100 μg/mL concentrations significantly decreased the percentage of caspase 3. The addition of silymarin antioxidant to the frozen medium reduced damage in the sperm after freezing and thawing. This is the first study that showed silymarin can be useful in cryopreservation of human sperm.
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Affiliation(s)
- Seda Şimşek
- Department of Histology and Embryology, Faculty of Medicine, Selcuk University, Konya, Turkey
| | - Ender Erdogan
- Department of Histology and Embryology, Faculty of Medicine, Selcuk University, Konya, Turkey
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4
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Salem M, Khadivi F, Javanbakht P, Mojaverrostami S, Abbasi M, Feizollahi N, Abbasi Y, Heidarian E, Rezaei Yazdi F. Advances of three-dimensional (3D) culture systems for in vitro spermatogenesis. Stem Cell Res Ther 2023; 14:262. [PMID: 37735437 PMCID: PMC10512562 DOI: 10.1186/s13287-023-03466-6] [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: 09/26/2022] [Accepted: 08/22/2023] [Indexed: 09/23/2023] Open
Abstract
The loss of germ cells and spermatogenic failure in non-obstructive azoospermia are believed to be the main causes of male infertility. Laboratory studies have used in vitro testicular models and different 3-dimensional (3D) culture systems for preservation, proliferation and differentiation of spermatogonial stem cells (SSCs) in recent decades. The establishment of testis-like structures would facilitate the study of drug and toxicity screening, pathological mechanisms and in vitro differentiation of SSCs which resulted in possible treatment of male infertility. The different culture systems using cellular aggregation with self-assembling capability, the use of different natural and synthetic biomaterials and various methods for scaffold fabrication provided a suitable 3D niche for testicular cells development. Recently, 3D culture models have noticeably used in research for their architectural and functional similarities to native microenvironment. In this review article, we briefly investigated the recent 3D culture systems that provided a suitable platform for male fertility preservation through organ culture of testis fragments, proliferation and differentiation of SSCs.
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Affiliation(s)
- Maryam Salem
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Farnaz Khadivi
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
- Department of Anatomy, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Parinaz Javanbakht
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Sina Mojaverrostami
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Mehdi Abbasi
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Narjes Feizollahi
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Yasaman Abbasi
- School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Heidarian
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Farzane Rezaei Yazdi
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
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5
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Dang BT, Bui XT, Tran DPH, Hao Ngo H, Nghiem LD, Hoang TKD, Nguyen PT, Nguyen HH, Vo TKQ, Lin C, Yi Andrew Lin K, Varjani S. Current application of algae derivatives for bioplastic production: A review. BIORESOURCE TECHNOLOGY 2022; 347:126698. [PMID: 35026424 DOI: 10.1016/j.biortech.2022.126698] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/31/2021] [Accepted: 01/06/2022] [Indexed: 05/18/2023]
Abstract
Improper use of conventional plastics poses challenges for sustainable energy and environmental protection. Algal derivatives have been considered as a potential renewable biomass source for bioplastic production. Algae derivatives include a multitude of valuable substances, especially starch from microalgae, short-chain length polyhydroxyalkanoates (PHAs) from cyanobacteria, polysaccharides from marine and freshwater macroalgae. The algae derivatives have the potential to be used as key ingredients for bioplastic production, such as starch and PHAs or only as an additive such as sulfated polysaccharides. The presence of distinctive functional groups in algae, such as carboxyl, hydroxyl, and sulfate, can be manipulated or tailored to provide desirable bioplastic quality, especially for food, pharmaceutical, and medical packaging. Standardizing strains, growing conditions, harvesting and extracting algae in an environmentally friendly manner would be a promising strategy for pollution control and bioplastic production.
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Affiliation(s)
- Bao-Trong Dang
- HUTECH University, 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam
| | - Xuan-Thanh Bui
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet street, district 10, Ho Chi Minh City 700000, Viet Nam.
| | - Duyen P H Tran
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam
| | - Huu Hao Ngo
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS 2007, Australia
| | - Long D Nghiem
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS 2007, Australia
| | - Thi-Khanh-Dieu Hoang
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam
| | - Phuong-Thao Nguyen
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet street, district 10, Ho Chi Minh City 700000, Viet Nam
| | - Hai H Nguyen
- Institute of Environmental Sciences, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Thi-Kim-Quyen Vo
- Faculty of Environment - Natural Resources and Climate Change, Ho Chi Minh City University of Food Industry (HUFI), 140 Le Trong Tan street, Tay Thanh ward, Tan Phu district, Ho Chi Minh city 700000, Vietnam
| | - Chitsan Lin
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Kun Yi Andrew Lin
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar 382010, Gujarat, India
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6
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Ribas-Maynou J, Mateo-Otero Y, Delgado-Bermúdez A, Bucci D, Tamanini C, Yeste M, Barranco I. Role of exogenous antioxidants on the performance and function of pig sperm after preservation in liquid and frozen states: A systematic review. Theriogenology 2021; 173:279-294. [PMID: 34411905 DOI: 10.1016/j.theriogenology.2021.07.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 11/26/2022]
Abstract
In situations where an excessive generation of reactive oxygen species overwhelms antioxidant capacity, a harmful effect on sperm function is exerted. Antioxidants are molecules capable of minimizing this detrimental effect, which is important in pig sperm due to the high content of polyunsaturated fatty acids in their plasma membrane. The present systematic review aims at evaluating whether supplementing semen extenders (for liquid storage at 17 °C) or freezing and/or thawing media (for cryopreservation) with antioxidants influences sperm quality and functionality parameters, and in vitro/in vivo fertility outcomes. We defined inclusion and exclusion criteria in a PICOS table according to PRISMA guidelines, and conducted a literature search through MEDLINE-PubMed in November 2020. After systematic selection, 75 studies were included: 47 focused on cryopreservation and 28 on liquid storage at 17 °C. More than 70% of the studies included in this review showed that adding semen extenders for liquid storage and/or freezing/thawing media for cryopreservation with antioxidants enhances sperm quality and functionality parameters. In addition, this supplementation improves in vivo/in vitro fertility outcomes, supporting the hypothesis that the beneficial effect observed upon sperm quality has a positive impact on reproduction outcomes.
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Affiliation(s)
- Jordi Ribas-Maynou
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain.
| | - Yentel Mateo-Otero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Ariadna Delgado-Bermúdez
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Diego Bucci
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Carlo Tamanini
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Isabel Barranco
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy.
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7
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Eyni H, Ghorbani S, Nazari H, Hajialyani M, Razavi Bazaz S, Mohaqiq M, Ebrahimi Warkiani M, Sutherland DS. Advanced bioengineering of male germ stem cells to preserve fertility. J Tissue Eng 2021; 12:20417314211060590. [PMID: 34868541 PMCID: PMC8638075 DOI: 10.1177/20417314211060590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/01/2021] [Indexed: 12/22/2022] Open
Abstract
In modern life, several factors such as genetics, exposure to toxins, and aging have resulted in significant levels of male infertility, estimated to be approximately 18% worldwide. In response, substantial progress has been made to improve in vitro fertilization treatments (e.g. microsurgical testicular sperm extraction (m-TESE), intra-cytoplasmic sperm injection (ICSI), and round spermatid injection (ROSI)). Mimicking the structure of testicular natural extracellular matrices (ECM) outside of the body is one clear route toward complete in vitro spermatogenesis and male fertility preservation. Here, a new wave of technological innovations is underway applying regenerative medicine strategies to cell-tissue culture on natural or synthetic scaffolds supplemented with bioactive factors. The emergence of advanced bioengineered systems suggests new hope for male fertility preservation through development of functional male germ cells. To date, few studies aimed at in vitro spermatogenesis have resulted in relevant numbers of mature gametes. However, a substantial body of knowledge on conditions that are required to maintain and mature male germ cells in vitro is now in place. This review focuses on advanced bioengineering methods such as microfluidic systems, bio-fabricated scaffolds, and 3D organ culture applied to the germline for fertility preservation through in vitro spermatogenesis.
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Affiliation(s)
- Hossein Eyni
- Department of Anatomical Sciences,
School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sadegh Ghorbani
- Interdisciplinary Nanoscience Center
(iNANO), Aarhus University, Aarhus, Denmark
| | - Hojjatollah Nazari
- Research Center for Advanced
Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of
Medical Sciences, Tehran, Iran
| | - Marziyeh Hajialyani
- Pharmaceutical Sciences Research
Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah,
Iran
| | - Sajad Razavi Bazaz
- School of Biomedical Engineering,
University of Technology Sydney, Sydney, NSW, Australia
| | - Mahdi Mohaqiq
- Institute of Regenerative Medicine,
School of Medicine, Wake Forest University, Winston-Salem, NC, USA
| | | | - Duncan S Sutherland
- Interdisciplinary Nanoscience Center
(iNANO), Aarhus University, Aarhus, Denmark
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8
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Pezo F, Yeste M, Zambrano F, Uribe P, Risopatrón J, Sánchez R. Antioxidants and their effect on the oxidative/nitrosative stress of frozen-thawed boar sperm. Cryobiology 2020; 98:5-11. [PMID: 33248047 DOI: 10.1016/j.cryobiol.2020.11.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/10/2020] [Accepted: 11/22/2020] [Indexed: 02/07/2023]
Abstract
In swine, the use of frozen-thawed boar sperm for artificial insemination remains a suboptimal reproductive technology. Among the negative effects of cryopreservation on sperm cells, it is worth highlighting that cryopreservation causes irreversible alterations in motility and components of the sperm membrane as a result of dramatic changes in temperature (cooling/freezing curve) and osmolality. In addition, freeze-thawing may induce oxidative stress and increase the generation of reactive oxygen species (ROS) and nitrogen reactive species (RNS). While boar sperm cryopreservation has been reported to increase lipid peroxidation and the intracellular levels of hydrogen peroxide, less research on its impact on RNS has been conducted. Furthermore, previous studies have investigated the effects of supplementing cryopreservation media with antioxidants to counteract the deleterious effects of ROS and RNS. Antioxidants of synthetic origin or natural extracts have been used, with some showing noticeable and positive effects on functional sperm parameters both in vitro and in vivo. The aim of this review is to provide an update on the effect of different molecules with antioxidant capacity on the function of cryopreserved boar sperm.
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Affiliation(s)
- Felipe Pezo
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Escuela de Medicina Veterinaria, Facultad de Recursos Naturales y Medicina Veterinaria, Universidad Santo Tomas, Chile
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Unit of Cell Biology, Department of Biology, Institute of Food and Agricultural Technology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Fabiola Zambrano
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Pamela Uribe
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Internal Medicine, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Raúl Sánchez
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
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9
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Xiang X, Liu Z, Zhao G. Sodium Alginate as a Novel Cryoprotective Agent for Cryopreservation of Endothelial Cells in a Closed Polytetrafluoroethylene Loop. Biopreserv Biobank 2020; 18:321-328. [PMID: 32552032 DOI: 10.1089/bio.2020.0020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Human umbilical vein endothelial cells (HUVECs) have wide applications in tissue engineering, drug delivery, and other fields due to their low antigenicity. Therefore, it is of great significance to effectively cryopreserve HUVECs for subsequent use (i.e., transport, long-term storage of cell banks). However, many commonly used cryoprotective agents (CPAs) are cytotoxic, so finding ideal CPAs to reduce the damage will pave the way for the application of HUVEC's cryopreservation. In this study, sodium alginate (SA) was employed as one of the main CPAs in a closed polytetrafluoroethylene (PTFE) loop used for cryopreservation with fast freezing of HUVECs. The ice crystal growth process was observed and the thermal enthalpy changes and osmolality of different solutions were tested. Moreover, the effects on cell viability and recovery were examined. The results showed that the addition of SA delayed the growth of ice crystals and decreased the number of ice crystals. Specifically, when 0.5% (w/v) SA was added to the CPAs, the cell survival increased by 10%. It is proved in this study that SA can be used as a novel CPA in combination with PTFE for the fast freezing of HUVECs, which is expected to improve the survival rate of cells and promote the exploration of protectants and cryopreservation in the future.
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Affiliation(s)
- Xingxue Xiang
- Department of Thermal Science and Energy Engineering and University of Science and Technology of China, Hefei, People's Republic of China
| | - Zhifeng Liu
- Department of Thermal Science and Energy Engineering and University of Science and Technology of China, Hefei, People's Republic of China
| | - Gang Zhao
- Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, People's Republic of China
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10
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Wu S, Guo W, Li X, Liu Y, Li Y, Lei X, Yao J, Yang X. Paternal chronic folate supplementation induced the transgenerational inheritance of acquired developmental and metabolic changes in chickens. Proc Biol Sci 2019; 286:20191653. [PMID: 31506054 DOI: 10.1098/rspb.2019.1653] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Increasing evidence indicates that paternal diet can result in metabolic changes in offspring, but the definite mechanism remains unclear in birds. Here, we fed breeder cocks five different diets containing 0, 0.25, 1.25, 2.50 and 5.00 mg kg-1 folate throughout life. Paternal folate supplementation (FS) was beneficial to the growth and organ development of broiler offspring. Most importantly, the lipid and glucose metabolism of breeder cocks and broiler offspring were affected by paternal FS, according to biochemical and metabolomic analyses. We further employed global analyses of hepatic and spermatozoal messenger RNA (mRNA), long non-coding RNA (lncRNA) and micro RNA (miRNA). Some key genes involved in the glycolysis or gluconeogenesis pathway and the PPAR signalling pathway, including PEPCK, ANGPTL4 and THRSP, were regulated by differentially expressed hepatic and spermatozoal miRNAs and lncRNAs in breeder cocks and broiler offspring. Moreover, the expression of ANGPTL4 could also be regulated by differentially expressed miRNAs and lncRNAs in spermatozoa via competitive endogenous RNA (ceRNA) mechanisms. Overall, this model suggests that paternal folate could transgenerationally regulate lipid and glucose metabolism in broiler offspring and the epigenetic transmission may involve altered spermatozoal miRNAs and lncRNAs.
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Affiliation(s)
- Shengru Wu
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Wei Guo
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Xinyi Li
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Yanli Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Yulong Li
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Xinyu Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Junhu Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100 Shaanxi, People's Republic of China
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11
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Ren Z, Shaoyong W, Li Q, Ma L, Xiao J, Jiao J, Yang G, Pang W. Effects of Isatis root polysaccharide on boar sperm quality during liquid storage and in vitro fertilization. Anim Reprod Sci 2019; 210:106178. [PMID: 31635774 DOI: 10.1016/j.anireprosci.2019.106178] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 08/12/2019] [Accepted: 09/04/2019] [Indexed: 01/18/2023]
Abstract
Liquid preservation of boar semen is a preferred method in pig husbandry, and antioxidants to protect against sperm oxidative stress during periods of storage have become the focus of recent research. Through its antioxidant activity, Isatis root polysaccharide (IRPS), a plant extract, can effectively reduce the cellular lipid peroxidation caused by the accumulation of reactive oxygen species inside mitochondria. In the present study, there was examination of the effects of no supplementation (Control) of a semen extender with or supplementation in different concentrations of IRPS (0.2, 0.4, 0.6, 0.8, and 1.2 mg/mL) on sperm quality variables and antioxidant capacity during liquid storage. The results indicate that after prolonged storage (≥ 3 days), the sperm motility was greater in the group supplemented with 0.6 mg/mL IRPS than in the other groups (P < 0.05). The use of this IRPS concentration also resulted in maintanence of acrosome integrity, plasma membrane integrity, mitochondrial membrane potential, and antioxidant capacity of the sperm (P < 0.05). Furthermore, the results of an in vitro fertilization study indicate IRPS at 0.6 mg/mL markedly increased the sperm fertilization capacity (P < 0.01) and embryonic development to the blastocyst stage (P < 0.05). The addition of 0.6 mg/mL IRPS enhanced the antioxidant capacity of boar sperm, resulting in greater preservation of sperm motility and fertilization capacity during liquid storage. These findings indicate that IRPS has the potential to be used as a component of a semen-preserving diluent to maintain sperm quality during storage.
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Affiliation(s)
- Zhiqiang Ren
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Weike Shaoyong
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Qian Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lu Ma
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Junying Xiao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Junheng Jiao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Gongshe Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Weijun Pang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
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12
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Kumar P, Pawaria S, Dalal J, Ravesh S, Bharadwaj S, Jerome A, Kumar D, Jan MH, Yadav PS. Sodium alginate potentiates antioxidants, cryoprotection and antibacterial activities of egg yolk extender during semen cryopreservation in buffalo. Anim Reprod Sci 2019; 209:106166. [PMID: 31514937 DOI: 10.1016/j.anireprosci.2019.106166] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 07/22/2019] [Accepted: 08/15/2019] [Indexed: 12/24/2022]
Abstract
The study was conducted to determine effects of sodium alginate on sperm during cryopreservation. Each ejaculate (n = 20) of five buffalo bulls (3-5 years) were divided into six equal fractions and diluted using egg yolk based extender supplemented with different concentrations of sodium alginate and cryopreserved. Frozen-thawed semen samples were evaluated using the CASA, hypo-osmotic swelling test, cervical mucus penetration capacity test, and chlortetracycline fluorescence assay (CTC). Phosphorylation of tyrosine containing proteins and malondialdehyde concentration of sperm membrane were evaluated using immunoblotting and thiobarbituric acid reactive substance assay respectively. The semen extender's anioxidative capacities were estimated by conducting 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays, metal chelating capacity by assessing ferrozine and antibacterial capacity using agar plate methods. Supplementation of sodium alginate in extender improved sperm longevity, plasma membrane integrity as well as capacity to transit through the cervical mucus. Supplementation of extender with sodium alginate minimises the phase transition of sperm membranes and phosphorylation of tyrosine containing proteins during cryopreservation. Malondialdehyde concentration of sperm was less in sodium alginate-treated sperm as compared with control samples. The results indicated that sodium alginate increased antioxidant capacity of semen extender. Supplementation with sodium alginate also improved the metal chelating capacity and antibacterial properties of the extender. In conclusion, supplementation of extender with sodium alginate enhances free radical scavenging, metal reduction and chelating capacities to protect sperm during cryopreservation.
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Affiliation(s)
- Pradeep Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India.
| | - Shikha Pawaria
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Jasmer Dalal
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India; Departments of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, India
| | - Suman Ravesh
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Sonam Bharadwaj
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India; ICAR- National Dairy Research Institute, Karnal, Haryana, India
| | - A Jerome
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Dharmendra Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - Mustafa H Jan
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
| | - P S Yadav
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, Haryana, India
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13
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Spermatozoal mRNAs expression implicated in embryonic development were influenced by dietary folate supplementation of breeder roosters by altering spermatozoal piRNA expression profiles. Theriogenology 2019; 138:102-110. [PMID: 31325740 DOI: 10.1016/j.theriogenology.2019.07.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 06/20/2019] [Accepted: 07/08/2019] [Indexed: 11/20/2022]
Abstract
Dietary folate intake, together with changes in its metabolism process, have effects on male reproduction, sperm epigenetic patterning and offspring outcome. Previous studies have proven that PIWI-interacting RNAs (piRNAs) play important roles in successful spermatogenesis and regulating genes expression of sperm and offspring embryo. Herein, we fed breeder roosters with five different levels (0, 0.25, 1.25, 2.50, and 5.00 mg/kg) of folate throughout life and found that paternal folate supplementation was beneficial to the growth and organ development of offspring broilers. Further spermatozoal mRNAs sequencing analyses implied that the dietary folate supplementation could regulate the spermatozoal mRNA abundance of genes related to the fetal development. Furthermore, global piRNAs analyses of breeder roosters' sperm revealed that differential concentration of dietary folate supplementation could change piRNAs profiles. Combined mRNAs sequencing and target gene prediction of differentially expressed gene-derived piRNAs, embryonic development and metabolism related pathways and biological processes, which were consisted to the regulatory roles of paternal folate supplementations, were significantly affected by the differentially expressed gene-derived piRNAs based on the GO and KEGG analyses. Overall, our results provided a novel insight into the role of piRNAs in response to folate intake, which will broaden the understanding about the relationship between folate and sperm epigenetic patterning of breeder roosters.
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14
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Pei Y, Yang L, Wu L, He H, Geng G, Xu D, Chen H, Li Q. Combined effect of apigenin and ferulic acid on frozen-thawed boar sperm quality. Anim Sci J 2018; 89:956-965. [PMID: 29708294 DOI: 10.1111/asj.13009] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 02/28/2018] [Indexed: 01/23/2023]
Abstract
The main aim of the present study was to evaluate the cryoprotective effect of apigenin (AP) and ferulic acid (FA) on boar sperm during cryopreservation. AP and FA were both demonstrated to be high-efficiency antioxidants and had not previously been used to protect sperm from cryodamage. As boar sperm is sensitive to oxidative stress, suitable antioxidants are still needed for improving frozen-thawed sperm quality. With this purpose, semen samples coming from five boars were used in this study. Ejaculates of five boars were mixed and split into 16 aliquots, in which different doses of AP and FA were added separately or together. The motility, the plasma membrane integrity, the mitochondrial activity, the acrosomal integrity, the antioxidase activities and the malondialdehyde concentration of the frozen-thawed boar sperm were assessed. The results suggested that both AP and FA significantly improved the frozen-thawed boar sperm quality in all these aspects when they were added to the freezing extender separately, while the highest improvement was recorded when the extender was supplemented with 0.1 mmol/L AP plus 0.15 mmol/L FA. These findings demonstrated that supplementation of freezing extender with both AP and FA had a combined, beneficial effect on frozen-thawed boar sperm.
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Affiliation(s)
- Yifei Pei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Li Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Lin Wu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Huanshan He
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Guoxia Geng
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Dejun Xu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Huali Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Qingwang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, China
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15
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Qin Y, Yang S, Xu J, Xia C, Li X, An L, Tian J. Deep insemination with sex-sorted Cashmere goat sperm processed in the presence of antioxidants. Reprod Domest Anim 2017; 53:11-19. [PMID: 29205543 DOI: 10.1111/rda.13045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 07/05/2017] [Indexed: 11/28/2022]
Abstract
Flow cytometrically sex-sorted sperm have been widely used for improving reproductive management in the dairy industry. However, the industrial application of this technology in other domestic species is largely limited by the lower fertility after insemination. The aim of this study was to investigate effects of antioxidant supplementation during the sex-sorting and freezing process on the quality and functions of sorted sperm from Liaoning Cashmere goats. We tested the effects of antioxidant supplementation during sex-sorting and freezing process, including ascorbic acid-2-glucoside AA-2G, glutathione, melatonin and vitamin C (VC), on the quality and functions of sex-sorted fresh and frozen-thawed sperm. Based on these experiments, we performed deep insemination with sex-sorted sperm using our improved strategy, in comparison to unsorted sperm. In Experiment 1, compared with control group and other antioxidants, AA-2G supplementation significantly alleviated the degradation of motility and viability of fresh sperm after sorting and showed the highest percentage of sperm with normal morphology. In addition, AA-2G supplementation showed an evident protection against the sorting process-induced membrane and acrosome damage. In Experiment 2, AA-2G supplementation was most effective in protecting motility, while melatonin supplementation appears to facilitate the degradation of quality of frozen-thawed sex-sorted sperm. In Experiment 3, we performed deep insemination with sperm that were sorted and frozen in the presence of AA-2G and obtained a satisfying pregnancy rate comparable to that from unsorted sperm. The results showed that AA-2G supplementation efficiently protects quality and function of both fresh and frozen-thawed sex-sorted sperm of Cashmere goats, thus obtaining a satisfying pregnancy outcome.
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Affiliation(s)
- Y Qin
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - S Yang
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China
| | - J Xu
- College of Animal Science and Technology, China Agricultural University, Beijing, China.,College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - C Xia
- College of Animal Science and Technology, China Agricultural University, Beijing, China.,College of Life Science, Jilin Agricultural University, Changchun, China
| | - X Li
- Research Center for Animal Genetic Resources of Mongolia Plateau, College of Life Science, Inner Mongolia University, Hohhot, China
| | - L An
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - J Tian
- College of Animal Science and Technology, China Agricultural University, Beijing, China
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16
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Wu SR, Guo W, Li YL, Ren XC, Lei XY, Li XY, Yao JH, Yang XJ. miRNA and piRNA expression profiles of breeder cock testes detected by next-generation sequencing. Reprod Domest Anim 2016; 52:203-213. [PMID: 27862381 DOI: 10.1111/rda.12880] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 09/25/2016] [Indexed: 11/29/2022]
Abstract
miRNAs are small non-coding regulatory RNAs that play key roles in diverse biological processes. In this study, we used the Solexa sequencing technique to profile miRNAs in breeder cock testes to illustrate their functions. A total of 663 co-expressed miRNAs and 3,180 co-expressed piRNAs were detected in three libraries. Based on Mir-X™ miRNA qRT-PCR, three miRNAs representing low, medium and high expression levels according to the sequencing results were selected randomly to validate the miRNAs' expression profiles. Results suggested that the miRNA expression profiles data could represent actual miRNA expression levels. Moreover, target genes prediction of the co-expressed miRNAs and further Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses were performed, which revealed that some candidate miRNAs were involved in the regulation of the spermatogenesis process, spermatozoa function and testicular metabolism. In conclusion, we provided a useful resource for further elucidation of the miRNAs' regulatory role in spermatogenesis, contributing to a preliminary database for functional and molecular mechanistic studies in testicular metabolism, spermatogenesis and other testes functions.
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Affiliation(s)
- S R Wu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - W Guo
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Y L Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - X C Ren
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - X Y Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - X Y Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - J H Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - X J Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
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17
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Merino O, Figueroa E, Cheuquemán C, Valdebenito I, Isachenko V, Isachenko E, Sánchez R, Farías J, Risopatrón J. Short-term storage of salmonids semen in a sodium alginate-based extender. Andrologia 2016; 49. [DOI: 10.1111/and.12661] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2016] [Indexed: 01/12/2023] Open
Affiliation(s)
- O. Merino
- Center of Biotechnology in Reproduction (CEBIOR-BIOREN); Universidad de La Frontera; Temuco Chile
- Doctoral Program in Morphological Sciences; Faculty of Medicine; Universidad de La Frontera; Temuco Chile
| | - E. Figueroa
- School of Aquaculture; Universidad Católica de Temuco; Temuco Chile
- Department of Chemical Engineering; Faculty of Engineering and Science; Universidad de la Frontera; Temuco Chile
| | - C. Cheuquemán
- Center of Biotechnology in Reproduction (CEBIOR-BIOREN); Universidad de La Frontera; Temuco Chile
| | - I. Valdebenito
- School of Aquaculture; Universidad Católica de Temuco; Temuco Chile
| | - V. Isachenko
- Department of Obstetrics and Gynecology; University of Cologne; Cologne Germany
| | - E. Isachenko
- Department of Obstetrics and Gynecology; University of Cologne; Cologne Germany
| | - R. Sánchez
- Center of Biotechnology in Reproduction (CEBIOR-BIOREN); Universidad de La Frontera; Temuco Chile
- Department Preclinical Sciences; Faculty of Medicine; Universidad de La Frontera; Temuco Chile
| | - J. Farías
- Center of Biotechnology in Reproduction (CEBIOR-BIOREN); Universidad de La Frontera; Temuco Chile
- Department of Chemical Engineering; Faculty of Engineering and Science; Universidad de la Frontera; Temuco Chile
| | - J. Risopatrón
- Center of Biotechnology in Reproduction (CEBIOR-BIOREN); Universidad de La Frontera; Temuco Chile
- Department of Basic Sciences; Faculty of Medicine; Universidad de La Frontera; Temuco Chile
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18
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Poels J, Abou-Ghannam G, Decamps A, Leyman M, Rieux AD, Wyns C. Transplantation of testicular tissue in alginate hydrogel loaded with VEGF nanoparticles improves spermatogonial recovery. J Control Release 2016; 234:79-89. [DOI: 10.1016/j.jconrel.2016.05.037] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 05/10/2016] [Accepted: 05/13/2016] [Indexed: 12/24/2022]
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19
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Sutovsky P. New Approaches to Boar Semen Evaluation, Processing and Improvement. Reprod Domest Anim 2016; 50 Suppl 2:11-9. [PMID: 26174914 DOI: 10.1111/rda.12554] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 05/09/2015] [Indexed: 11/27/2022]
Abstract
The improvement of boar reproductive performance may be the next frontier in reproductive management of swine herd in Unites States, facilitated by better understanding of boar sperm function and by the introduction of new advanced instrumentation in the andrology field. Objective single ejaculate evaluation and individual boar fertility prediction may be possible by introducing automated flow cytometric semen analysis with vital stains (e.g. acrosomal integrity and mito-potential), DNA fragmentation analysis and biomarkers (ubiquitin, PAWP, ALOX15, aggresome) associated with normal or defective sperm phenotypes. Measurement of sperm-produced reactive oxygen species (ROS) is a helpful indicator of normal semen sample. Semen ROS levels could be managed by the addition of ROS-scavenging antioxidants. Alternative energy regeneration substrates and sperm stimulants such as inorganic pyrophosphate and caffeine could increase sperm lifespan in extended semen and within the female reproductive system. Such technology could be combined with timed sperm release in the female reproductive system after artificial insemination. Sperm phenotype analysis by the image-based flow cytometry will go hand in hand with the advancement of swine genomics, linking aberrant sperm phenotype to the fertility influencing gene polymorphisms. Finally, poor-quality ejaculates could be rescued and acceptable ejaculates improved by semen purification methods such as the nanoparticle-based semen purification and magnetic-activated sperm sorting. Altogether, these scientific and technological advances could benefit swine industry, provided that the challenges of new technology adoption, dissemination and cost reduction are met.
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Affiliation(s)
- P Sutovsky
- Division of Animal Science, Departments of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, MO, USA
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20
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Yeste M. Recent Advances in Boar Sperm Cryopreservation: State of the Art and Current Perspectives. Reprod Domest Anim 2016; 50 Suppl 2:71-9. [PMID: 26174922 DOI: 10.1111/rda.12569] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Accepted: 06/05/2015] [Indexed: 01/04/2023]
Abstract
While sperm cryopreservation is the best technology to store boar semen for long-term periods, only 1% of all artificial inseminations (AI) conducted worldwide are made using frozen-thawed boar sperm. With the emergence of long-term extenders for liquid storage, the use of cryopreserved sperm in routine AI is less required. However, banks of boar semen contain cryopreserved sperm and planning inseminations in AI centres may benefit from the use of frozen-thawed semen. Therefore, there is an interest in the use of this technology to preserve boar sperm. In this regard, although the first attempts to cryopreserve boar semen date back to the seventies and this technology is still considered as optimal, some relevant improvements have been made in the last decade. After giving a general picture about boar sperm cryodamage, the present review seeks to shed light on these recent cryopreservation advances. These contributions regard to protein markers for predicting ejaculate freezability, sperm selection prior to start cryopreservation procedures, additives to freezing and thawing extenders, relevance of the AI-technique and insemination-to-ovulation interval. In conclusion, most of these progresses have allowed counteracting better boar sperm cryodamage and are thus considered as forward steps for this storage method. It is also worth noting that, despite being lower than fresh/extended semen, reproductive performance outcomes following AI with frozen-thawed boar sperm are currently acceptable.
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Affiliation(s)
- M Yeste
- Nuffield Department of Obstetrics and Gynaecology, Level 3, Women's Centre, John Radcliffe Hospital, University of Oxford, Headington, Oxford, UK
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21
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Funahashi H. Methods for Improving In Vitro and In Vivo Boar Sperm Fertility. Reprod Domest Anim 2016; 50 Suppl 2:40-7. [PMID: 26174918 DOI: 10.1111/rda.12568] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 06/05/2015] [Indexed: 11/30/2022]
Abstract
Fertility of boar spermatozoa is changed after ejaculation in vivo and in vitro. During processing for in vitro fertilization (IVF), although spermatozoa are induced capacitation, resulting in a high penetration rate, persistent obstacle of polyspermic penetration is still observed with a high incidence. For artificial insemination (AI), we still need a large number of spermatozoa and lose a majority of those in the female reproductive tract. Fertility of cryopreserved boar spermatozoa is still injured through freezing and thawing process. In the present brief review, factors affecting fertility of boar sperm during IVF, AI and cryopreservation are discussed in the context of discovering methodologies to improve it.
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Affiliation(s)
- H Funahashi
- Department of Animal Science, Okayama University, Okayama, Japan
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22
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Yeste M. Sperm cryopreservation update: Cryodamage, markers, and factors affecting the sperm freezability in pigs. Theriogenology 2015; 85:47-64. [PMID: 26506124 DOI: 10.1016/j.theriogenology.2015.09.047] [Citation(s) in RCA: 225] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 09/20/2015] [Accepted: 09/22/2015] [Indexed: 02/04/2023]
Abstract
Cryopreservation is the most efficient method for long-term preservation of mammalian sperm. However, freeze-thawing procedures may strongly impair the sperm function and survival and thus decrease the reproductive performance. In addition, the sperm resilience to withstand cryopreservation, also known as freezability, presents a high individual variability. The present work summarizes the principles of cryoinjury and the relevance of permeating and nonpermeating cryoprotective agents. Descriptions about sperm cryodamage are mainly focused on boar sperm, but reference to other mammalian species is also made when relevant. Main cryoinjuries not only regard to sperm motility and membrane integrity, but also to the degradation effect exerted by freeze-thawing on other important components for sperm fertilizing ability, such as mRNAs. After delving into the main differences between good and poor freezability boar ejaculates, those protein markers predicting the sperm ability to sustain cryopreservation are also mentioned. Moreover, factors that may influence sperm freezability, such as season, diet, breed, or ejaculate fractions are discussed, together with the effects of different additives, like seminal plasma and antioxidants. After briefly referring to the effects of long-term sperm preservation in frozen state and the reproductive performance of frozen-thawed boar sperm, this work speculates with new research horizons on the preservation of boar sperm, such as vitrification and freeze-drying.
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Affiliation(s)
- Marc Yeste
- Nuffield Department of Obstetrics and Gynaecology, University of Oxford, Level 3, Women's Centre, John Radcliffe Hospital, Oxford, UK.
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23
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Effect of Salvia miltiorrhiza polysaccharides on boar spermatozoa during freezing–thawing. Anim Reprod Sci 2015; 159:25-30. [DOI: 10.1016/j.anireprosci.2015.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 03/29/2015] [Accepted: 05/07/2015] [Indexed: 12/24/2022]
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24
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Surai PF, Fisinin VI. Selenium in pig nutrition and reproduction: boars and semen quality-a review. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2015; 28:730-46. [PMID: 25924964 PMCID: PMC4413004 DOI: 10.5713/ajas.14.0593] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 10/14/2014] [Accepted: 11/23/2014] [Indexed: 01/01/2023]
Abstract
Selenium plays an important role in boar nutrition via participating in selenoprotein synthesis. It seems likely that selenoproteins are central for antioxidant system regulation in the body. Se-dependent enzyme glutathione peroxidase (GSH-Px) is the most studied selenoprotein in swine production. However, roles of other selenoproteins in boar semen production and maintenance of semen quality also need to be studied. Boar semen is characterised by a high proportion of easily oxidized long chain polyunsaturated fatty acids and requires an effective antioxidant defense. The requirement of swine for selenium varies depending on many environmental and other conditions and, in general, is considered to be 0.15 to 0.30 mg/kg feed. It seems likely that reproducing sows and boars are especially sensitive to Se deficiency, and meeting their requirements is an important challenge for pig nutritionists. In fact, in many countries there are legal limits as to how much Se may be included into the diet and this restricts flexibility in terms of addressing the Se needs of the developing and reproducing swine. The analysis of data of various boar trials with different Se sources indicates that in some cases when background Se levels were low, there were advantages of Se dietary supplementation. It is necessary to take into account that only an optimal Se status of animals is associated with the best antioxidant protection and could have positive effects on boar semen production and its quality. However, in many cases, background Se levels were not determined and therefore, it is difficult to judge if the basic diets were deficient in Se. It can also be suggested that, because of higher efficacy of assimilation from the diet, and possibilities of building Se reserves in the body, organic selenium in the form of selenomethionine (SeMet) provided by a range of products, including Se-Yeast and SeMet preparations is an important source of Se to better meet the needs of modern pig genotypes in commercial conditions of intensive pig production.
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Affiliation(s)
- Peter F Surai
- Department of Animal Nutrition, Faculty of Agricultural and Environmental Sciences, Szent Istvan University, Gödöllo H-2103, Hungary ; Department of Microbiology and Biochemistry, Faculty of Veterinary Medicine, Trakia University, Stara Zagora 6000, Bulgaria . ; Department of Veterinary Expertise and Microbiology, Faculty of Veterinary Medicine, Sumy National Agrarian University, Sumy, 40021, Ukraine . ; Odessa National Academy of Food Technologies, Odessa 65039, Ukraine
| | - Vladimir I Fisinin
- All-Russian Institute of Poultry Husbandry, Sergiev Posad, 141311, Russia
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25
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Ševčovičová A, Šemeláková M, Plšíková J, Loderer D, Imreová P, Gálová E, Kožurková M, Miadoková E, Fedoročko P. DNA-protective activities of hyperforin and aristoforin. Toxicol In Vitro 2015; 29:631-7. [DOI: 10.1016/j.tiv.2015.01.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 01/20/2015] [Accepted: 01/30/2015] [Indexed: 12/20/2022]
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