The Primary Cultivation of Oogonial Stem Cells from Black Rockfish (Sebastes schlegelii): Morphology and Transcriptome Landscape
文献类型： 外文期刊
作者： Zhang, Jingjing 1 ; Lin, Lei 1 ; Zhu, Shengyu 1 ; Zhang, Yanming 1 ; Dong, Caichao 1 ; Yang, Yu 1 ; Liu, Yuyan 1 ; Cao, Xuwen 1 ; He, Yangbin 1 ; Ji, Honglong 1 ; Meng, Bo 1 ; Wang, Qian 1 ; Shao, Changwei 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Peoples R China
2.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Peoples R China
3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
4.Chinese Acad Fishery Sci, Hebei Key Lab Bohai Sea Fish Germplasm Resources C, Beidaihe Cent Expt Stn, Qinhuangdao 066100, Peoples R China
关键词：
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）
ISSN： 1661-6596
年卷期： 2025 年 26 卷 14 期
页码：
收录情况： SCI
摘要： Black rockfish (Sebastes schlegelii) is a marine ovoviviparous teleost that exhibits significant sexual dimorphism, with females growing faster and reaching larger sizes than males. Establishing stable oogonial stem cells (OSCs) is critical for understanding germline stem cell dynamics and facilitating all-female breeding. In this study, we successfully isolated and cultured OSCs from S. schlegelii for 12 passages. These cells exhibited alkaline phosphatase activity, expressed germline marker genes (ddx4, cdh1, klf4), and maintained a diploid karyotype (2n = 48). Transcriptomic comparisons between early (P3) and late (P12) passages revealed significant metabolic dysfunction and cell cycle arrest in the late-passage cells. Specifically, the down-regulation of glutathione-related and glycolysis-related genes (gstm3, gstt1, mgst3, gsta1, gsta4, gsto1, gapdh) and key mitotic regulators (cdk1, chk1, cdk4, e2f3, ccne2, ccnb1) suggested that metabolic imbalance contributes to oxidative stress, resulting in cell cycle inhibition and eventual senescence. This study provides a marine fish model for investigating metabolism-cell cycle interactions in germline stem cells and lays the foundation for future applications in germ cell transplantation and all-female breeding.
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