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Zhao N, Jia L, Deng Q, Zhu C, Zhang B. Comparative piRNAs Profiles Give a Clue to Transgenerational Inheritance of Sex-Biased piRNAs in Cynoglossus semilaevis. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2022; 24:335-344. [PMID: 35290559 DOI: 10.1007/s10126-022-10109-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Piwi interacting RNAs (piRNAs) are involved in the epigenetic and post-transcriptional gene silencing of retrotransposons in germ line cells, especially in spermatogenesis. There are many related reports on model organisms, such as flies and mice. In fish, however, there are few studies on piRNAs. Cynoglossus semilaevis, a benthic warm water flatfish, with remarkable sexual dimorphism, especially the "pseudo males" with sex reversal, mating with normal females to produce viable offspring, is an ideal material for the study of sex development. Here, sperm piwi-interacting RNAs profiles of Cynoglossus semilaevis were characterized, comparing between male and pseudomale groups. Differential piRNAs were identified with their predicted and annotated targets. Attention was then focused on candidate piRNAs associated with sex development and methylation. We continued to compare the expression levels of 10 candidates differentially expressed piRNAs in F1 spermatozoa. Quantitative RT-PCR demonstrated that five of the ten piRNAs showed sex bias consistent with parental sequencing results, with four significantly higher expression level in sperm of five males offspring than that of pseudomales, while one piRNAs showed the opposite expression profile. The five signature piRNAs (piR-mmu-49600337, piR-mmu-95849, piR-xtr-7474223, piR-xtr-1790334, and piR-mmu-4491546) could be employed as male-specific molecular biomarkers for C. semilaevis. Besides, this study also implied the possibility of transgenerational inheritance of sex-biased piRNAs exiting in sperm of Cynoglossus semilaevis.
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Affiliation(s)
- Na Zhao
- Fisheries College, Guangdong Ocean University, 524000, Guangdong, People's Republic of China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, Shanghai, China
- International Research Center for Marine Biosciences at, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Lei Jia
- Tianjin Fisheries Research Institute, Tianjin, 300201, China
| | - Qiuxia Deng
- Fisheries College, Guangdong Ocean University, 524000, Guangdong, People's Republic of China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, China
| | - Chunhua Zhu
- Fisheries College, Guangdong Ocean University, 524000, Guangdong, People's Republic of China.
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, China.
| | - Bo Zhang
- Fisheries College, Guangdong Ocean University, 524000, Guangdong, People's Republic of China.
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, China.
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Transcriptome Analyses Reveal Differential Transcriptional Profiles in Early- and Late-Dividing Porcine Somatic Cell Nuclear Transfer Embryos. Genes (Basel) 2020; 11:genes11121499. [PMID: 33322792 PMCID: PMC7763450 DOI: 10.3390/genes11121499] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/20/2020] [Accepted: 12/07/2020] [Indexed: 12/13/2022] Open
Abstract
Somatic cell nuclear transfer (SCNT) is not only a valuable tool for understanding nuclear reprogramming, but it also facilitates the generation of genetically modified animals. However, the development of SCNT embryos has remained an uncontrollable process. It was reported that the SCNT embryos that complete the first cell division sooner are more likely to develop to the blastocyst stage, suggesting their better developmental competence. Therefore, to better understand the underlying molecular mechanisms, RNA-seq of pig SCNT embryos that were early-dividing (24 h postactivation) and late-dividing (36 h postactivation) was performed. Our analysis revealed that early- and late-dividing embryos have distinct RNA profiles, and, in all, 3077 genes were differentially expressed. Gene ontology (GO)and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses revealed that early-dividing embryos exhibited higher expression in genes that participated in the meiotic cell cycle, while enrichment of RNA processing- and translation-related genes was found in late-dividing embryos. There are also fewer somatic memory genes such as FLRT2, ADAMTS1, and FOXR1, which are abnormally activated or suppressed in early-dividing cloned embryos. These results show that early-dividing SCNT embryos have different transcriptional profiles than late-dividing embryos. Early division of SCNT embryos may be associated with their better reprogramming capacity, and somatic memory genes may act as a reprogramming barrier in pig SCNT reprogramming.
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Yu K, Zhang Y, Zhang BL, Wu HY, Jiang WQ, Wang ST, Han DP, Liu YX, Lian ZX, Deng SL. In-vitro differentiation of early pig spermatogenic cells to haploid germ cells. Mol Hum Reprod 2020; 25:507-518. [PMID: 31328782 DOI: 10.1093/molehr/gaz043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/26/2019] [Indexed: 01/06/2023] Open
Abstract
Spermatogonial stem cells (SSCs) self-renew and contribute genetic information to the next generation. Pig is wildly used as a model animal for understanding reproduction mechanisms of human being. Inducing directional differentiation of porcine SSCs may be an important strategy in exploring the mechanisms of spermatogenesis and developing better treatment methods for male infertility. Here, we established an in-vitro culture model for porcine small seminiferous tubule segments, to induce SSCs to differentiate into single-tail haploid spermatozoa. The culture model subsequently enabled spermatozoa to express the sperm-specific protein acrosin and oocytes to develop to blastocyst stage after round spermatid injection. The addition of retinoic acid (RA) to the differentiation media promoted the efficiency of haploid differentiation. RT-PCR analysis indicated that RA stimulated the expression of Stra8 but reduced the expression of NANOS2 in spermatogonia. Genes involved in post-meiotic development, transition protein 1 (Tnp1) and protamine 1 (Prm1) were upregulated in the presence of RA. The addition of an RA receptor (RAR) inhibitor, BMS439, showed that RA enhanced the expression of cAMP responsive-element binding protein through RAR and promoted the formation of round spermatids. We established an efficient culture system for in-vitro differentiation of pig SSCs. Our study represents a model for human testis disease and toxicology screening. Molecular regulators of SSC differentiation revealed in this study might provide a therapeutic strategy for male infertility.
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Affiliation(s)
- Kun Yu
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Haidian District, Beijing, People's Republic of China
| | - Yi Zhang
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Chaoyang District, Beijing, People's Republic of China.,Department of Medicine, Panzhihua University, Sichuan, Sichuan, People's Republic of China
| | - Bao-Lu Zhang
- Marine Consulting Center of MNR, Oceanic Counseling Center, Ministry of Natural Resources of the People's Republic of China, Feng-tai District, Beijing, People's Republic of China
| | - Han-Yu Wu
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Haidian District, Beijing, People's Republic of China
| | - Wu-Qi Jiang
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Haidian District, Beijing, People's Republic of China
| | - Su-Tian Wang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, Xiangfang District, People's Republic of China
| | - De-Ping Han
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Haidian District, Beijing, People's Republic of China
| | - Yi-Xun Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Chaoyang District, Beijing, People's Republic of China
| | - Zheng-Xing Lian
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Haidian District, Beijing, People's Republic of China
| | - Shou-Long Deng
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Chaoyang District, Beijing, People's Republic of China.,State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Chaoyang District, Beijing, People's Republic of China
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Abstract
This chapter highlights the importance of reproductive technologies that are applied to porcine breeds. Nowadays the porcine industry, part of a high technological and specialized sector, offers high-quality protein food. The development of the swine industry is founded in the development of breeding/genetics, nutrition, animal husbandry, and animal health. The implementation of reproductive technologies in swine has conducted to levels of productivity never reached before. In addition, the pig is becoming an important species for biomedicine. The generation of pig models for human disease, xenotransplantation, or production of therapeutic proteins for human medicine has in fact generated a growing field of interest.
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Casillas F, Betancourt M, Cuello C, Ducolomb Y, López A, Juárez-Rojas L, Retana-Márquez S. An efficiency comparison of different in vitro fertilization methods: IVF, ICSI, and PICSI for embryo development to the blastocyst stage from vitrified porcine immature oocytes. Porcine Health Manag 2018; 4:16. [PMID: 30123521 PMCID: PMC6088397 DOI: 10.1186/s40813-018-0093-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 06/20/2018] [Indexed: 12/30/2022] Open
Abstract
Background Most studies carried out to evaluate recovery and development after porcine oocyte vitrification, reported better rates when cryopreserved in embryonic development stages or zygotes, but not in immature oocytes. For this reason, many studies are performed to improve immature oocyte vitrification protocols testing the use of different cryoprotectant concentrations, cooling devices, incubation times; but only a few of them have evaluated which fertilization procedure enhances blastocyst rates in vitrified oocytes. Therefore, this study was aimed to evaluate: 1) if the sperm selection with hyaluronic acid (HA) or polyvinylpyrrolidone (PVP) before injection could play a key role in increasing fertilization and blastocyst formation and 2) the embryo developmental ability and blastocyst production of porcine immature oocytes retrieved after vitrification-warming and co-cultured with granulosa cells during IVM, using different fertilization techniques: in vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI) and conventional ICSI with hyaluronic acid (HA) sperm selection, known as physiological intracytoplasmic sperm injection (PICSI) and. Results Sperm selected with HA-PICSI displayed a higher percentage of live/acrosome reacted status compared to those in control and exposed to PVP. Higher dead/acrosome reacted rates were obtained after PVP exposure compared to control and HA. In oocytes, viability significantly decreased after IVM in vitrified oocytes. Besides, IVM rates were not different between control denuded oocytes cultured with granulosa cells (DO-GC) and vitrified oocytes. Regarding fertilization parameters, IVF showed higher percentages of total fertilization rate than those obtained by ICSI and PICSI. However, results demonstrate that PICSI fertilization increased the blastocysts formation rate in control DO-GC and vitrified oocytes compared to IVF and ICSI. Conclusions To achieve high blastocyst formation rates from vitrified GV oocytes, it is recommended that sperm should be selected with HA instead of PVP before injection since high viability and acrosome reaction rates were obtained. Also, PICSI fertilization was the best method to produce higher blastocyst rates compared to the IVF and ICSI procedures.
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Affiliation(s)
- Fahiel Casillas
- 1Departamento de Biología de la Reproducción, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico.,2Doctorado en Ciencias Biológicas y de la Salud. Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico
| | - Miguel Betancourt
- 3Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico
| | - Cristina Cuello
- 4Departamento de Medicina y Cirugía Animal, Universidad de Murcia, 30100 Espinardo, Spain
| | - Yvonne Ducolomb
- 3Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico
| | - Alma López
- 3Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico
| | - Lizbeth Juárez-Rojas
- 1Departamento de Biología de la Reproducción, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico
| | - Socorro Retana-Márquez
- 1Departamento de Biología de la Reproducción, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340 CDMX, Mexico
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