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Nguyen VK, Thu Huong VT, Le Thi Nguyen H, Quan HX, Hoang AT, Phan HT, Van Le Đ, Nguyen HT, Thi Nguyen NT, Thi Nguyen AL, Thi Pham YK, Hung LP, Thanh Nhan GT, Trinh SH, Pham LD. Optimization of donor cell production for somatic cell nuclear transfer in the critically endangered Vietnamese Ỉ pig. Theriogenology 2024; 230:115-120. [PMID: 39293173 DOI: 10.1016/j.theriogenology.2024.09.013] [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: 06/03/2024] [Revised: 09/13/2024] [Accepted: 09/13/2024] [Indexed: 09/20/2024]
Abstract
We aimed to establish efficient donor cells to produce piglets by somatic cell nuclear transfer (SCNT) of the endangered Vietnamese Ỉ pig. In Experiment 1, we assessed the effects of cell passages on the in vitro development of SCNT embryos. Cells with five and six passages showed significantly cleaved and blastocyst formation rates (86.72 and 86.64; 35.68 and 35.51, respectively, P < 0.05). The highest average total cell number per blastocyst was observed in groups of cells with five and six passages (50.45 and 50.18, respectively). Experiment 2 was performed to assess the sex of donor cells on the subsequent development of SCNT embryos. There was no significant difference in the cleaved and blastocyst formation rates, and the average total cell between female and male groups (86.51 % vs 86.94 % and 35.31 % vs 35.08 %, 50.29 % vs 50.67 %, respectively, P > 0.05). Experiment 3 was performed to assess the effect of cell lines on the development of SCNT embryos. Our results showed no significant difference in the success rate of fibroblast nuclear transfer into recipient oocytes, the cleaved and blastocyst formation rates, and the average total cell number per blastocyst among the cell lines 6004, 9154, 9155, 9156 and 9157 (P > 0.05). Experiment 4 was performed to assess the ability of SCNT embryos to induce pregnancy and to develop term. SCNT embryos were produced from Ỉ fibroblast cells established based on the results of Experiments 1, 2 and 3. Transfer of blastocyst stage embryos into 19 recipients (100-120 embryos in each) resulted in 14 pregnancies, in which 8 pregnant females terminated on Day 22-42 and 6 others produced 20 cloned piglets from donor cells of a female pig but 5 piglets died before birth and 15 healthy cloned piglets. However, 3 out of 15 healthy piglets died of unknown causes within 24h of birth and 3 out of 15 healthy piglets died at 3-5 days of age due to diarrhoea, 9 out of 15 healthy piglets are now 3 months of age. Finally, we established a protocol for the donor cell production which enabled the production of the endangered Ỉ pig embryos by SCNT and maximized blastocyst production rate by more than 35 % and pregnant rate after the transfer of cloned Ỉ pig embryos to recipients at 73.68 % for the first time in Vietnam.
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Affiliation(s)
- Van Khanh Nguyen
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam.
| | - Vu Thi Thu Huong
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Huong Le Thi Nguyen
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Huu Xuan Quan
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Au Thi Hoang
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Hieu Trung Phan
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Đat Van Le
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Huong Thi Nguyen
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Nhung Tuyet Thi Nguyen
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Anh Lan Thi Nguyen
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Yen Kim Thi Pham
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Lai Phu Hung
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Giang Thi Thanh Nhan
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Son Hong Trinh
- Thuy Phuong Pig Research and Development Centre, National Institute of Animal Science, Hanoi, Viet Nam
| | - Lan Doan Pham
- Key Lab of Animal Cell Technology, National Institute of Animal Science, Hanoi, Viet Nam
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Nguyen VK, Somfai T, Salamone D, Thu Huong VT, Le Thi Nguyen H, Huu QX, Hoang AT, Phan HT, Thi Pham YK, Pham LD. Optimization of donor cell cycle synchrony, maturation media and embryo culture system for somatic cell nuclear transfer in the critically endangered Vietnamese Ỉ pig. Theriogenology 2021; 166:21-28. [PMID: 33667861 DOI: 10.1016/j.theriogenology.2021.02.008] [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] [Received: 11/08/2020] [Revised: 02/05/2021] [Accepted: 02/07/2021] [Indexed: 10/22/2022]
Abstract
Our aim was to establish an efficient culture system to produce embryos by SCNT of the endangered Vietnamese Ỉ pig. Reducing the serum concentration from 10.0% to 0.2% during culture efficiently synchronized Ỉ pig fibroblasts used as donor cells at the G0/G1 stage. Oocyte maturation in a defined porcine oocyte medium (POM) supplemented with EGF and gonadotrophins resulted in higher cleavage and blastocyst rates compared with a non-defined POM containing pig follicular fluid (but without EGF) and both the defined and non-defined variants of NCSU-37. For embryo culture PZM3 and PZM5 media were superior to NCSU-37, in terms of the percentage of cleaved embryos. Addition of serum to PZM3 medium on Day 5 of culture (Day 0 = SCNT) improved blastocyst development. When SCNT embryos were transferred at the blastocyst stage, 7 of 11 recipients became pregnant. However, live offspring were not obtained. In conclusion, we established a system for the production of Ỉ pig embryos by SCNT and achieved blastocyst production rate at 26.4% by improving culture systems for donor cells, oocytes and embryos culture. Transfer of embryos resulted in pregnancies; however, live offspring were not obtained.
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Affiliation(s)
- Van Khanh Nguyen
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Tamas Somfai
- Animal Breeding and Reproduction Research Division, Institute of Livestock and Grassland Science, NARO, Tsukuba, Ibaraki, 305-0901, Japan
| | - Daniel Salamone
- Facultad de Agronomía, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Vu Thi Thu Huong
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Huong Le Thi Nguyen
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Quan Xuan Huu
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Au Thi Hoang
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Hieu Trung Phan
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Yen Kim Thi Pham
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam
| | - Lan Doan Pham
- Key Lab of Animal Cell Biotechnology, National Institute of Animal Science, Hanoi, Viet Nam.
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Liu J, Liu X, Zeng Q, Wang B, Xiao K, Tan C, Du H. Establishment and characterization of a cell line derived from fin of the endangered Yangtze sturgeon (Acipenser dabryanus). In Vitro Cell Dev Biol Anim 2020; 56:650-658. [PMID: 32888116 DOI: 10.1007/s11626-020-00488-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 07/28/2020] [Indexed: 11/28/2022]
Abstract
Yangtze sturgeon (Acipenser dabryanus) is an endangered endemic freshwater fish of China. Cell-line is a potential means used for long-term preservation of germplasm resources and an ideal in vitro model in place of living organisms for biological studies. Here, culture condition and characterization of fin-derived cell in Yangtze sturgeon were carried out. Tissue explant techniques have been efficiently used in the Yangtze sturgeon caudal fin (YSCF) culture. The YSCF cell line showed a fibroblast-like morphology and stable growth in minimum essential medium eagle's (MEME) supplemented with 10-20% fetal bovine serum at 25°C. Cells were cryopreserved with preservative DMSO in liquid nitrogen and grew normally after recovery. No bacterial, fungal, or mycoplasma contamination was detected in the YSCF cells. Karyotype analysis of the YSCF cells showed that the chromosome numbers of the YSCF ranged from 242 to 273, and the modal chromosome number was identified as 264 at passage 9. The YSCF cells were confirmed from A. dabryanus by assay of 16S rRNA and COI. Furthermore, GFP reporter gene was successfully transferred into YSCF cells and expressed. The established YSCF cell lines will contribute to the preservation of germplasm resources and provide a useful vitro tool for further biological studies in sturgeon species.
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Affiliation(s)
- Juanjuan Liu
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China.,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China
| | - Xueqing Liu
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China.,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China
| | - Qingkai Zeng
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China.,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China
| | - Binzhong Wang
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China.,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China
| | - Kan Xiao
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China.,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China
| | - Chun Tan
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China.,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China
| | - Hejun Du
- Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes, Yichang, 443100, Hubei, China. .,China Three Gorges Corporation, Chinese Sturgeon Research Institute, Yichang, 443100, Hubei, China.
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Affiliation(s)
- Alexandre Robert
- UMR 7204 MNHN‐CNRS‐UPMC Centre d'Ecologie et des Sciences de la Conservation Muséum National d'Histoire Naturelle 43, Rue Buffon 75005 Paris France
| | - Charles Thévenin
- UMR 7204 MNHN‐CNRS‐UPMC Centre d'Ecologie et des Sciences de la Conservation Muséum National d'Histoire Naturelle 43, Rue Buffon 75005 Paris France
| | - Karine Princé
- UMR 7204 MNHN‐CNRS‐UPMC Centre d'Ecologie et des Sciences de la Conservation Muséum National d'Histoire Naturelle 43, Rue Buffon 75005 Paris France
| | - François Sarrazin
- UPMC Univ Paris 06 Muséum National d'Histoire Naturelle CNRS CESCO UMR 7204 Sorbonne Universités 75005 Paris France
| | - Joanne Clavel
- UMR 7204 MNHN‐CNRS‐UPMC Centre d'Ecologie et des Sciences de la Conservation Muséum National d'Histoire Naturelle 43, Rue Buffon 75005 Paris France
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Shapiro B. Pathways to de‐extinction: how close can we get to resurrection of an extinct species? Funct Ecol 2016. [DOI: 10.1111/1365-2435.12705] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Beth Shapiro
- Department of Ecology and Evolutionary Biology and UCSC Genomics Institute University of California Santa Cruz 1156 High Street Santa Cruz CA95064 USA
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Prescott HMA, Manning C, Gardner A, Ritchie WA, Pizzi R, Girling S, Valentine I, Wang C, Jahoda CAB. Giant Panda (Ailuropoda melanoleuca) Buccal Mucosa Tissue as a Source of Multipotent Progenitor Cells. PLoS One 2015; 10:e0138840. [PMID: 26398672 PMCID: PMC4580591 DOI: 10.1371/journal.pone.0138840] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 09/03/2015] [Indexed: 01/01/2023] Open
Abstract
Since the first mammal was cloned, the idea of using this technique to help endangered species has aroused considerable interest. However, several issues limit this possibility, including the relatively low success rate at every stage of the cloning process, and the dearth of usable tissues from these rare animals. iPS cells have been produced from cells from a number of rare mammalian species and this is the method of choice for strategies to improve cloning efficiency and create new gametes by directed differentiation. Nevertheless information about other stem cell/progenitor capabilities of cells from endangered species could prove important for future conservation approaches and adds to the knowledge base about cellular material that can be extremely limited. Multipotent progenitor cells, termed skin-derived precursor (SKP) cells, can be isolated directly from mammalian skin dermis, and human cheek tissue has also been shown to be a good source of SKP-like cells. Recently we showed that structures identical to SKPs termed m-SKPs could be obtained from monolayer/ two dimensional (2D) skin fibroblast cultures. Here we aimed to isolate m-SKPs from cultured cells of three endangered species; giant panda (Ailuropoda melanoleuca); red panda (Ailurus fulgens); and Asiatic lion (Panthera leo persica). m-SKP-like spheres were formed from the giant panda buccal mucosa fibroblasts; whereas dermal fibroblast (DF) cells cultured from abdominal skin of the other two species were unable to generate spheres. Under specific differentiation culture conditions giant panda spheres expressed neural, Schwann, adipogenic and osteogenic cell markers. Furthermore, these buccal mucosa derived spheres were shown to maintain expression of SKP markers: nestin, versican, fibronectin, and P75 and switch on expression of the stem cell marker ABCG2. These results demonstrate that giant panda cheek skin can be a useful source of m-SKP multipotent progenitors. At present lack of sample numbers means that we can only postulate why we were unable to obtain m-SKPs from the lion and red panda cultures. However the giant panda observations point to the value of archiving cells from rare species, and the possibilities for later progenitor cell derivation.
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Affiliation(s)
- Hilary M. A. Prescott
- Durham University, School of Biological and Biomedical Sciences, Durham, DH1 3LE, United Kingdom
| | - Craig Manning
- Durham University, School of Biological and Biomedical Sciences, Durham, DH1 3LE, United Kingdom
| | - Aaron Gardner
- Durham University, School of Biological and Biomedical Sciences, Durham, DH1 3LE, United Kingdom
| | - William A. Ritchie
- Roslin Embryology Ltd., 21 St Germains Terrace, Macmerry, East Lothian, EH33 1QB, United Kingdom
| | - Romain Pizzi
- Royal Zoological Society of Scotland, Corstorphine Road, Edinburgh, EH13 6TS, United Kingdom
| | - Simon Girling
- Royal Zoological Society of Scotland, Corstorphine Road, Edinburgh, EH13 6TS, United Kingdom
| | - Iain Valentine
- Royal Zoological Society of Scotland, Corstorphine Road, Edinburgh, EH13 6TS, United Kingdom
| | - Chengdong Wang
- China Conservation and Research Centre for Giant Panda (CCRCGP), Shi Qiao Village, Qing Chenshan Town, DuJiangYan City, SiChuan Province, 611844, China
| | - Colin A. B. Jahoda
- Durham University, School of Biological and Biomedical Sciences, Durham, DH1 3LE, United Kingdom
- * E-mail:
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Arregui L, Dobrinski I, Roldan ERS. Germ cell survival and differentiation after xenotransplantation of testis tissue from three endangered species: Iberian lynx (Lynx pardinus), Cuvier's gazelle (Gazella cuvieri) and Mohor gazelle (G. dama mhorr). Reprod Fertil Dev 2015; 26:817-26. [PMID: 23763851 DOI: 10.1071/rd12411] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Accepted: 05/13/2013] [Indexed: 01/21/2023] Open
Abstract
The use of assisted reproductive techniques for endangered species is a major goal for conservation. One of these techniques, testis tissue xenografting, allows for the development of spermatozoa from animals that die before reaching sexual maturity. To assess the potential use of this technique with endangered species, testis tissue from six Iberian lynxes (one fetus, two perinatal cubs, two 6-month-old and one 2-year-old lynx), two Cuvier's gazelle fetuses and one 8-month-old Mohor gazelle were transplanted ectopically into nude mice. Tissue from the lynx fetus, perinatal cubs and 2-year-old donors degenerated, whereas spermatogonia were present in 15% of seminiferous tubules more than 70 weeks after grafting in transplanted testis tissue from 6-month-old donors. Seminal vesicle weights (indicative of testosterone production) increased over time in mice transplanted with tissue from 6-month-old lynxes. Progression of spermatogenesis was observed in xenografts from gazelles and was donor age dependent. Tissue from Cuvier's gazelle fetuses contained spermatocytes 40 weeks after grafting. Finally, round spermatids were found 28 weeks after transplantation in grafts from the 8-month-old Mohor gazelle. This is the first time that xenotransplantation of testicular tissue has been performed with an endangered felid and the first successful xenotransplantation in an endangered species. Our results open important options for the preservation of biological diversity.
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Affiliation(s)
- Lucía Arregui
- Reproductive Ecology and Biology Group, Museo Nacional de Ciencias Naturales (CSIC), C/José Gutierrez Abascal 2, 28006 Madrid, Spain
| | - Ina Dobrinski
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary AB T2N 4N1, Canada
| | - Eduardo R S Roldan
- Reproductive Ecology and Biology Group, Museo Nacional de Ciencias Naturales (CSIC), C/José Gutierrez Abascal 2, 28006 Madrid, Spain
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Yu FJ, Zeng CJ, Zhang Y, Wang CD, Xiong TY, Fang SG, Zhang HM. Establishment and Cryopreservation of a Giant Panda Skeletal Muscle-Derived Cell Line. Biopreserv Biobank 2015; 13:195-9. [DOI: 10.1089/bio.2014.0073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Fang-Jian Yu
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Chang-Jun Zeng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, Sichuan Province, China
- Key Laboratory for Natural Resources Protection and Sustainable Utilization of Sichuan Province, Chengdu, China
| | - Yan Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, Sichuan Province, China
| | - Cheng-Dong Wang
- China Conservation and Research Center for the Giant Panda, Wolong, China
| | - Tie-Yi Xiong
- Sichuan Province Natural Resources Science Academy, Chengdu, China
- Key Laboratory for Natural Resources Protection and Sustainable Utilization of Sichuan Province, Chengdu, China
| | - Sheng-Guo Fang
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - He-Min Zhang
- China Conservation and Research Center for the Giant Panda, Wolong, China
- Key Laboratory for Natural Resources Protection and Sustainable Utilization of Sichuan Province, Chengdu, China
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Takeda K, Tasai M, Iwamoto M, Oe M, Chikuni K, Nakamura Y, Tagami T, Nirasawa K, Hanada H, Pinkert CA, Onishi A. Comparative proteomic analysis of liver mitochondrial proteins derived from cloned adult pigs reconstructed with Meishan pig fibroblast cells and European pig enucleated oocytes. J Reprod Dev 2011; 58:248-53. [PMID: 22188878 DOI: 10.1262/jrd.11-074a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Somatic cell nuclear transfer (SCNT) has been exploited in efforts to clone and propagate valuable animal lineages. However, in many instances, recipient oocytes are obtained from sources independent of donor cell populations. As such, influences of potential nuclear-cytoplasmic incompatibility, post SCNT, are largely unknown. In the present study, alterations in mitochondrial protein levels were investigated in adult SCNT pigs produced by microinjection of Meishan pig fetus fibroblast cells into enucleated matured oocytes (maternal Landrace genetic background). Mitochondrial fractions were prepared from liver samples by mechanical homogenization and differential centrifugation. Liver mitochondria were then subjected to two-dimensional difference gel electrophoresis (2-D DIGE). Protein expression changes were confirmed with a volume ratio greater than 2 fold (P<0.05). 2-D DIGE analysis further revealed differential expression of three proteins between the Meishan (n=3) and Landrace (n=3) breeds. Differential expression patterns of 16 proteins were detected in SCNT pig liver tissue (n=3) when compared with Meishan control samples. However, none of the 16 proteins correlated with the three differentially expressed Meishan and Landrace liver mitochondrial proteins. In summary, alteration of mitochondrial protein expression levels was observed in adult SCNT pigs that did not reflect the breed difference of the recipient oocytes. Comparative proteomic analysis represents an important tool for further studies on SCNT animals.
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Affiliation(s)
- Kumiko Takeda
- National Agricultural and Food Research Organization (NARO), Institute of Livestock and Grassland Science (NILGS), Ibaraki 305-0901, Japan.
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Loi P, Modlinski JA, Ptak G. Interspecies somatic cell nuclear transfer: a salvage tool seeking first aid. Theriogenology 2011; 76:217-28. [PMID: 21458046 DOI: 10.1016/j.theriogenology.2011.01.016] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 01/10/2011] [Accepted: 01/13/2011] [Indexed: 12/20/2022]
Abstract
Much emphasis is currently given to the use of Interspecific Somatic Cell Nuclear Transfer (ISCNT) as a potential salvage tool for endangered animals. In this short review we present a survey on all data published so far on ISCNT, including abstract communication in international meetings. From the analysis of these data it appears that the results obtained are very preliminary and often confusing on the real stage of the embryonic development obtained. Moreover, the acronym ISCNT is improperly used because in many reports the nuclei and oocyte donor are not within the same species, but belong to different order and sometimes taxa, therefore, we classified all the ISCNT reports by allocating cell and oocyte donors to their respective order/species/class. The efficiency of cloning is low in all species owing to incomplete nuclear reprogramming of differentiated cells under the current procedures. ISCNT, however, poses additional hurdles which are rarely addressed in previously published work, and on which we focus in this review: mt/genomic DNA compatibility; embryonic genome activation of the donor nucleus by the recipient oocyte; availability of suitable foster mothers for ISCNT embryos. All these issues are discussed here, and possible solutions for the successful application of somatic cell nuclear transfer to endangered animals are also put forth.
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Affiliation(s)
- P Loi
- Department of Experimental Embryology, Polish Academy of Sciences, Jastrzebiec, Wolka Kosowska, Poland.
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Thongphakdee A, Siriaroonrat B, Manee-in S, Klincumhom N, Kamolnorranath S, Chatdarong K, Techakumphu M. Intergeneric somatic cell nucleus transfer in marbled cat and flat-headed cat. Theriogenology 2010; 73:120-8. [DOI: 10.1016/j.theriogenology.2009.09.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2009] [Revised: 09/03/2009] [Accepted: 09/03/2009] [Indexed: 10/20/2022]
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Gómez MC, Pope CE, Ricks DM, Lyons J, Dumas C, Dresser BL. Cloning endangered felids using heterospecific donor oocytes and interspecies embryo transfer. Reprod Fertil Dev 2009; 21:76-82. [PMID: 19152748 DOI: 10.1071/rd08222] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Somatic cell nuclear transfer (SCNT) offers the possibility of preserving endangered species. It is one of the few technologies that avoids the loss of genetic variation and provides the prospect of species continuance, rather than extinction. Nonetheless, there has been a debate over the use of SCNT for preserving endangered species because of abnormal nuclear reprogramming, low efficiency and the involvement of extra mitochondrial DNA (mtDNA) of a different species in live offspring produced by interspecies SCNT. Despite these limitations, live endangered cloned animals have been produced. In the present paper, we describe recent research on the production of cloned embryos derived by fusion of wild felid fibroblast cells with heterospecific domestic cat cytoplasts and their viability after transfer into domestic cat recipients. In addition, we discuss epigenetic events that take place in donor cells and felid cloned embryos and mtDNA inheritance in wild felid clones and their offspring.
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Affiliation(s)
- Martha C Gómez
- Audubon Center for Research of Endangered Species, 14001 River Road, New Orleans, LA 70124, USA.
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Folch J, Cocero M, Chesné P, Alabart J, Domínguez V, Cognié Y, Roche A, Fernández-Árias A, Martí J, Sánchez P, Echegoyen E, Beckers J, Bonastre AS, Vignon X. First birth of an animal from an extinct subspecies (Capra pyrenaica pyrenaica) by cloning. Theriogenology 2009; 71:1026-34. [DOI: 10.1016/j.theriogenology.2008.11.005] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2008] [Revised: 11/14/2008] [Accepted: 11/19/2008] [Indexed: 11/17/2022]
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15
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Reynolds LP, Ireland JJ, Caton JS, Bauman DE, Davis TA. Commentary on domestic animals in agricultural and biomedical research: an endangered enterprise. J Nutr 2009; 139:427-8. [PMID: 19158219 PMCID: PMC3314500 DOI: 10.3945/jn.108.103564] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2008] [Revised: 12/15/2008] [Accepted: 12/24/2008] [Indexed: 01/24/2023] Open
Affiliation(s)
- Lawrence P Reynolds
- Center for Nutrition and Pregnancy, and Department of Animal Sciences, North Dakota State University, Fargo, ND 58108-6050, USA.
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16
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Cybrid human embryos – warranting opportunities to augment embryonic stem cell research. Trends Biotechnol 2008; 26:469-74. [DOI: 10.1016/j.tibtech.2008.06.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2008] [Revised: 06/02/2008] [Accepted: 06/06/2008] [Indexed: 02/05/2023]
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