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Song J, Xiao L, Zhang Z, Wang Y, Kouis P, Rasmussen LJ, Dai F. Effects of reactive oxygen species and mitochondrial dysfunction on reproductive aging. Front Cell Dev Biol 2024; 12:1347286. [PMID: 38465288 PMCID: PMC10920300 DOI: 10.3389/fcell.2024.1347286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/12/2024] [Indexed: 03/12/2024] Open
Abstract
Mitochondria, the versatile organelles crucial for cellular and organismal viability, play a pivotal role in meeting the energy requirements of cells through the respiratory chain located in the inner mitochondrial membrane, concomitant with the generation of reactive oxygen species (ROS). A wealth of evidence derived from contemporary investigations on reproductive longevity strongly indicates that the aberrant elevation of ROS level constitutes a fundamental factor in hastening the aging process of reproductive systems which are responsible for transmission of DNA to future generations. Constant changes in redox status, with a pro-oxidant shift mainly through the mitochondrial generation of ROS, are linked to the modulation of physiological and pathological pathways in gametes and reproductive tissues. Furthermore, the quantity and quality of mitochondria essential to capacitation and fertilization are increasingly associated with reproductive aging. The article aims to provide current understanding of the contributions of ROS derived from mitochondrial respiration to the process of reproductive aging. Moreover, understanding the impact of mitochondrial dysfunction on both female and male fertility is conducive to finding therapeutic strategies to slow, prevent or reverse the process of gamete aging, and thereby increase reproductive longevity.
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Affiliation(s)
- Jiangbo Song
- State Key Laboratory of Resource Insects, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
| | - Li Xiao
- State Key Laboratory of Resource Insects, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
| | - Zhehao Zhang
- State Key Laboratory of Resource Insects, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
| | - Yujin Wang
- State Key Laboratory of Resource Insects, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
| | - Panayiotis Kouis
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Lene Juel Rasmussen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Fangyin Dai
- State Key Laboratory of Resource Insects, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
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Esbert M, Tao X, Ballesteros A, Yildirim RM, Scott RT, Seli E. Addition of rapamycin or co-culture with cumulus cells from younger reproductive age women does not improve rescue in vitro oocyte maturation or euploidy rates in older reproductive age women. Mol Hum Reprod 2024; 30:gaad048. [PMID: 38180884 DOI: 10.1093/molehr/gaad048] [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: 05/17/2023] [Revised: 10/30/2023] [Indexed: 01/07/2024] Open
Abstract
Both spontaneously conceived pregnancies and those achieved using assisted reproduction decline with advancing maternal age. In this study, we tested if rapamycin and/or cumulus cells (CCs) from young donors could improve oocyte maturation and euploidy rates of germinal vesicle (GV) stage oocytes obtained from older women of reproductive age. A total of 498 GVs from 201 women >38 years (40.6 ± 1.8, mean ± SD) were included. GVs were randomly assigned into five groups for rescue IVM: control (with no CCs and no rapamycin); with autologous CCs; with autologous CCs and rapamycin; with CCs from young women (<35 years); and with CCs from young women and rapamycin. After 24 h of culture, the first polar body (PB) was biopsied in metaphase II oocytes, and the cytogenetic constitution was assessed using next-generation sequencing for both oocytes and PBs. Comparable maturation rates were found (56.2%, 60.0%, 46.5%, 51.7%, and 48.5% for groups 1-5, respectively; P = 0.30). Similarly, comparable euploidy rates were observed in the five groups (41.5%, 37.8%, 47.2%, 43.6%, and 47.8% for Groups 1-5, respectively; P = 0.87). Our findings indicate that rescue IVM is effective for obtaining mature euploid oocytes in older women of reproductive age, and that incubation with rapamycin or CCs obtained from young donors does not improve the maturation or euploidy rate.
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Affiliation(s)
- Marga Esbert
- IVIRMA Global Research Alliance, IVIRMA New Jersey, Basking Ridge, NJ, USA
- IVIRMA Global Research Alliance, IVIRMA Barcelona, Barcelona, Spain
| | - Xin Tao
- JUNO Genetics, Basking Ridge, NJ, USA
| | | | - Raziye Melike Yildirim
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - Richard T Scott
- IVIRMA Global Research Alliance, IVIRMA New Jersey, Basking Ridge, NJ, USA
| | - Emre Seli
- IVIRMA Global Research Alliance, IVIRMA New Jersey, Basking Ridge, NJ, USA
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
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Sanati M, Afshari AR, Ahmadi SS, Kesharwani P, Sahebkar A. Advances in liposome-based delivery of RNA therapeutics for cancer treatment. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2024; 204:177-218. [PMID: 38458738 DOI: 10.1016/bs.pmbts.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/10/2024]
Abstract
Liposomal drug delivery systems stand as versatile therapeutic platforms for precisely targeting related elements in cancerous tissues owing to their intrinsic passive and acquired active targeting capabilities and exceptional compatibility with physiologic environments. When the capacity of liposomes as nanocarriers is combined with the revolutionary potential of RNA therapies in affecting undruggable targets, the outcome would be promising drug candidates as game-changers in the cancer treatment arena. However, optimizing liposome composition, physicochemical properties, and surface chemistry is paramount to maximizing their pharmacokinetic and pharmacodynamic attributes. This review highlighted the potential of liposomes as nanovehicles for RNA therapeutics through a literature review and looked at the most recent preclinical and clinical advancements in utilizing liposomal RNA therapeutics for cancer management. Notably, the discovery of novel targets, advancements in liposome engineering, and organizing well-planned clinical trials would help uncover the incredible potential of these nanotherapeutics in cancer patients.
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Affiliation(s)
- Mehdi Sanati
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran; Experimental and Animal Study Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Amir R Afshari
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran; Department of Physiology and Pharmacology, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Seyed Sajad Ahmadi
- Department of Ophthalmology, Khatam-Ol-Anbia Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Cimadomo D, Cobo A, Galliano D, Fiorentino G, Marconetto A, Zuccotti M, Rienzi L. Oocyte vitrification for fertility preservation is an evolving practice requiring a new mindset: societal, technical, clinical, and basic science-driven evolutions. Fertil Steril 2024:S0015-0282(24)00004-9. [PMID: 38185200 DOI: 10.1016/j.fertnstert.2024.01.003] [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: 01/03/2024] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Infertility is a condition with profound social implications. Indeed, it is not surprising that evolutions in both medicine and society affect the way in vitro fertilization is practiced. The keywords in modern medicine are the four principles, which implicitly involve a constant update of our knowledge and our technologies to fulfill the "prediction" and "personalization" tasks, and a continuous reshaping of our mindset in view of all relevant societal changes to fulfill the "prevention" and "participation" tasks. A worldwide aging population whose life priorities are changing requires that we invest in fertility education, spreading actionable information to allow women and men to make meaningful reproductive choices. Fertility preservation for both medical and nonmedical reasons is still very much overlooked in many countries worldwide, demanding a comprehensive update of our approach, starting from academia and in vitro fertilization laboratories, passing through medical offices, and reaching out to social media. Reproduction medicine should evolve from being a clinical practice to treat a condition to being a holistic approach to guarantee patients' reproductive health and well-being. Oocyte vitrification for fertility preservation is the perfect use case for this transition. This tool is acquiring a new identity to comply with novel indications and social needs, persisting technical challenges, brand-new clinical technologies, and novel revolutions coming from academia. This "views and reviews" piece aims at outlining the advancement of oocyte vitrification from all these tightly connected perspectives.
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Affiliation(s)
- Danilo Cimadomo
- Clinica Valle Giulia, IVIRMA Global Research Alliance, Genera, Rome, Italy
| | - Ana Cobo
- IVI, IVIRMA Global Research Alliance, Valencia, Spain
| | | | - Giulia Fiorentino
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Anabella Marconetto
- University Institute of Reproductive Medicine, National University of Córdoba, Córdoba, Argentina
| | - Maurizio Zuccotti
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Laura Rienzi
- Clinica Valle Giulia, IVIRMA Global Research Alliance, Genera, Rome, Italy; Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
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Yang Q, Hu J, Wang M, Guo N, Yang L, Xi Q, Zhu L, Jin L. Rapamycin improves the quality and developmental competence of in vitro matured oocytes in aged mice and humans. Aging (Albany NY) 2022; 14:9200-9209. [PMID: 36441531 PMCID: PMC9740364 DOI: 10.18632/aging.204401] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/17/2022] [Indexed: 11/29/2022]
Abstract
Women over age 35 suffer from the inadequate number and poor quality of oocytes during assisted reproductive treatment, and making full use of the oocytes by in vitro maturation (IVM) is crucial. Rapamycin could improve the developmental competences of the post-maturation oocytes during in vitro aging, yet its effects on the IVM process of oocytes from an aged population were not clear. In this study, the immature oocytes from aged mice or older women underwent IVM with or without 10 nM rapamycin, followed by parthenogenetic activation or insemination and embryo culture. The developmental competence and quality of IVM oocytes in both groups were compared. The results showed that in aged mice, the maturation rate, activation rate, and cleavage rate of IVM oocytes were significantly elevated in the rapamycin group. Additionally, oocytes cultured with rapamycin presented decreased ROS levels, reduced chromosome aberration, and attenuated levels of γ-H2AX. During IVM of oocytes from older women, the GVBD rate, 24 h maturation rate, and 48 h maturation rate were increased in the rapamycin group, compared with those in the control group, although without significant differences. After intracytoplasmic sperm injection (ICSI) and further culture of human oocytes, the high-quality embryo rate in the rapamycin group was significantly elevated. Overall, rapamycin improved IVM outcomes of oocytes from aged mice and older women. The specific mechanism of the positive effects of rapamycin on IVM outcomes might be reducing ROS levels, mitigating DNA damage, and promoting developmental potential.
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Affiliation(s)
- Qiyu Yang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juan Hu
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meng Wang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Na Guo
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liu Yang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingsong Xi
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lixia Zhu
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Jin
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Yang Q, Xi Q, Wang M, Liu J, Li Z, Hu J, Jin L, Zhu L. Rapamycin improves the developmental competence of human oocytes by alleviating DNA damage during IVM. Hum Reprod Open 2022; 2022:hoac050. [PMID: 36518986 PMCID: PMC9731209 DOI: 10.1093/hropen/hoac050] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/09/2022] [Indexed: 07/20/2023] Open
Abstract
STUDY QUESTION Can rapamycin improve the developmental competence of human oocytes during the IVM process? SUMMARY ANSWER Rapamycin at 10 nM could markedly improve the developmental competence of human oocytes undergoing IVM. WHAT IS KNOWN ALREADY Embryos derived from oocytes that mature in vitro have lower developmental competence than sibling embryos derived from oocytes matured in vivo. Rapamycin was shown to effectively improve IVM outcomes in mammalian oocytes; however, its effects on IVM of human oocytes have not been investigated. STUDY DESIGN SIZE DURATION In 2021, donated immature oocytes (n = 202) from 80 infertile couples receiving ICSI were included in a control group, and 156 oocytes from 72 couples were included in a rapamycin group. The oocytes underwent IVM with 10 nM rapamycin or without (control) rapamycin, followed by insemination by ICSI and embryo culture. PARTICIPANTS/MATERIALS SETTING METHODS The germinal vesicle breakdown (GVBD), maturation, normal fertilization, high-quality embryo (HQE) and blastocyst formation rates were calculated to evaluate the developmental competence of IVM oocytes, and fluorescence staining was used to assess DNA damage levels of oocytes in both groups. Whole-genome amplification and DNA sequencing were performed to analyze chromosome euploidy in embryos derived from the rapamycin group. MAIN RESULTS AND THE ROLE OF CHANCE The baseline characteristics of patients who donated oocytes for the two experimental groups were similar. In the control group, GVBD happened in 135 (66.8%) oocytes, and the maturation rate reached 52.5% at 24 h and 63.4% at 48 h. In the rapamycin group, 143 (91.7%) oocytes underwent GVBD, and the maturation rate reached 60.3% at 24 h and 82.7% at 48 h. Following ICSI, more HQEs were obtained in the rapamycin group versus control (34.2% versus 22.1%, respectively, P = 0.040), although with comparable fertilization rates in the two groups. In addition, the levels of histone γH2AX in oocytes cultured with 10 nM rapamycin were markedly decreased, compared with those in the control group (0.3 ± 0.0 versus 0.6 ± 0.1, respectively, P = 0.048). Embryos with normal karyotype could be obtained from oocytes cultured with rapamycin. LIMITATIONS REASONS FOR CAUTION Our preliminary results indicated that the addition of rapamycin during human oocyte IVM did not cause extra aneuploidy. However, this safety evaluation of rapamycin treatment was based on limited samples and more data are needed before possible application in the clinic. WIDER IMPLICATIONS OF THE FINDINGS In the current study, 10 nM rapamycin was applied in the IVM process of human oocytes for the first time and showed positive effects, providing new insights for potentially improving IVM outcomes in the clinic. There were subtle differences between the results presented here on human oocytes and our previous studies on mouse oocytes, indicating the necessity of more research on human samples. STUDY FUNDING/COMPETING INTERESTS This work was supported by the research grants from National Key Research and Development Project (2018YFC1002103) and Health Commission of Hubei Province scientific research project (WJ2021M110). All authors declared no conflicts of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Qiyu Yang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingsong Xi
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meng Wang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Liu
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhou Li
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juan Hu
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Jin
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lixia Zhu
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Zhang T, Wang L, Pan Y, He H, Wang J, Zhao T, Ding T, Wang Y, Zhao L, Han X, Fan J, Xu G, Cui Y, Yu S. Effect of rapamycin treatment on oocyte in vitro maturation and embryonic development after parthenogenesis in yaks. Theriogenology 2022; 193:128-135. [PMID: 36162289 DOI: 10.1016/j.theriogenology.2022.09.017] [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: 06/01/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/15/2022]
Abstract
Autophagy plays an important role in mammalian oocyte maturation and early embryonic development and rapamycin is well known for inducing autophagy. Although previous studies have reported the effects of rapamycin on oocytes in vitro maturation (IVM) in different species, few studies have been reported on the role of rapamycin in yak oocytes IVM and embryonic development. Therefore, the objective of this study was to examine the effect of rapamycin treatment on yak oocytes IVM and early embryonic development. Specifically, immature yak oocytes during IVM or parthenogenetic (PA) embryos were treated with different rapamycin concentrations to select an optimal dose. Then evaluated its effect on maturation rates, cleavage, and blastocyst formation rates, mitochondrial membrane potential, ROS levels. Related genes and proteins expression in matured oocytes and blastocysts were also evaluated. The results show that 10 nM rapamycin treatment during IVM significantly improved oocyte maturation rates of oocytes and blastocyst formation rates. Treatment with 10 nM rapamycin reduced ROS level but increased mitochondrial membrane potential. Correspondingly, mRNA and protein expressions of LC3, Beclin-1, and Bcl-2 up-regulated while Bax down-regulated in matured yak COCs. When parthenogenetic embryos were treated with different rapamycin concentrations, 10 nM rapamycin treatment showed higher 8-cell and blastocyst formation rates. Also, CDX2, POU5F1, SOX2, and Nanog levels in blastocysts were upregulated. In summary, our findings demonstrate that rapamycin treatment improves oocytes maturation probably by increasing mitochondrial membrane potential, reducing ROS levels, and regulating the apoptosis in mature yak oocytes. Rapamycin treatment also improves embryonic developmental competence in the yak.
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Affiliation(s)
- Tongxiang Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Libin Wang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China; Gansu Province Livestock Embryo Engineering Research Center, China
| | - Yangyang Pan
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China; Gansu Province Livestock Embryo Engineering Research Center, China
| | - Honghong He
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Jinglei Wang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Tian Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Tianyi Ding
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Yaying Wang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Ling Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Xiaohong Han
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Jiangfeng Fan
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China; Gansu Province Livestock Embryo Engineering Research Center, China
| | - Gengquan Xu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China; Gansu Province Livestock Embryo Engineering Research Center, China
| | - Yan Cui
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China; Gansu Province Livestock Embryo Engineering Research Center, China
| | - Sijiu Yu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China; Gansu Province Livestock Embryo Engineering Research Center, China.
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