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Establishment and Characterization of a Spermatogonial Stem Cell Line from Tiger Puffer Fish (Takifugu rubripes)

文献类型： 外文期刊

作者： Tan, Leilei 1 ; Liu, Qian 2 ; He, Yangbin 2 ; Zhang, Jingjing 2 ; Hou, Jilun 3 ; Ren, Yuqin 3 ; Ma, Wenxiu 2 ; Wang, Qian 2 ; Shao, Changwei 2 ;

作者机构： 1.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Biol Resources & Environm, Jiangsu Key Lab Marine Biotechnol, Lianyungang 222000, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Natl Key Lab Mariculture Biobreeding & Sustainable, Qingdao 266071, Peoples R China

3.Chinese Acad Fishery Sci, Hebei Key Lab Bohai Sea Fish Germplasm Resources C, Beidaihe Cent Expt Stn, Qinhuangdao 066100, Peoples R China

4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Peoples R China

关键词： spermatogonial stem cell line; cryopreservation; transfection; Takifugu rubripes

期刊名称：ANIMALS （ 影响因子：3.0； 五年影响因子：3.2 ）

ISSN： 2076-2615

年卷期： 2023 年 13 卷 18 期

页码：

收录情况： SCI

摘要： Tiger puffer fish (Takifugu rubripes) has become the main fish species cultured in China since the last century because of its high economic value. Male and female tiger puffer fish need 2 and 3 years each to reach sexual maturity, which limits the development of breeding research for this species. In recent years, in vitro culture of fish spermatogonial stem cells (SSCs) have shown potential in aquaculture. In the present study, we established a spermatogenic stem cell line from T. rubripes (TrSSCs). TrSSCs were characterized by polygonal morphology, predominantly retained 44 chromosomes, and grew rapidly at 26 C-degrees and in L-15. TrSSCs were still able to grow stably after more than one year of in vitro culture. TrSSCs showed positive alkaline phosphatase staining. TrSSCs expressed germ cell-associated genes, including dnd, ddx4, piwil, gfra1b, sox2, myca, nanog, ly75, and dazl, as determined by semiquantitative assays, and almost all cells were found to express the germ cell genes ddx4 and gfra1b in a fluorescence in situ hybridization assay. In vitro, induction experiments demonstrated the TrSSCs possessed the ability to differentiate into other types of cells. Our research has enriched the fish spermatogonial stem cell resource bank, which will provide an efficient research model for sex determination and sex control breeding in fish, establishing a foundation for subsequent breeding research.

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