[Objective] The paper was to establish embryonic stem cell system of goats. [Method] Numerous primordial germ cell colonies were derived from gonadal ridge and the surrounding tissues in 20 millimeter fetuses of down ...[Objective] The paper was to establish embryonic stem cell system of goats. [Method] Numerous primordial germ cell colonies were derived from gonadal ridge and the surrounding tissues in 20 millimeter fetuses of down producing goat. Primordial germ cells and goats embryonic fibroblasts obtained from conceptus of equivaient gestational age were co-cultured. [Result] The colonies showed some characteristics of embryonic stem cells, such as the morphology of nest-like, they continued to be AKP positive and the ability to be continuously passed [Conclusion] These cells were pluripotent and ES-like cells.展开更多
近年来,研究者从小鼠骨髓和其他组织脏器中分离并纯化了一类数量极其稀少的极小胚胎样干细胞(very small embryonic—like stem cells,VSELs)。VSELs不仅表达多能干细胞的表面分子标记,并能向3个胚层方向分化。有学者推测,VSELs...近年来,研究者从小鼠骨髓和其他组织脏器中分离并纯化了一类数量极其稀少的极小胚胎样干细胞(very small embryonic—like stem cells,VSELs)。VSELs不仅表达多能干细胞的表面分子标记,并能向3个胚层方向分化。有学者推测,VSELs可能是在哺乳动物组织/器官的发育早期迁移并定居下来的,且能在特定情况下向组织特异的单潜能干细胞方向分化。据此,VSELs可能在成体组织的更新和损伤组织的再生修复过程中发挥重要作用。展开更多
基金Supported by Project of Baotou University(BSY2010-23)~~
文摘[Objective] The paper was to establish embryonic stem cell system of goats. [Method] Numerous primordial germ cell colonies were derived from gonadal ridge and the surrounding tissues in 20 millimeter fetuses of down producing goat. Primordial germ cells and goats embryonic fibroblasts obtained from conceptus of equivaient gestational age were co-cultured. [Result] The colonies showed some characteristics of embryonic stem cells, such as the morphology of nest-like, they continued to be AKP positive and the ability to be continuously passed [Conclusion] These cells were pluripotent and ES-like cells.
文摘近年来,研究者从小鼠骨髓和其他组织脏器中分离并纯化了一类数量极其稀少的极小胚胎样干细胞(very small embryonic—like stem cells,VSELs)。VSELs不仅表达多能干细胞的表面分子标记,并能向3个胚层方向分化。有学者推测,VSELs可能是在哺乳动物组织/器官的发育早期迁移并定居下来的,且能在特定情况下向组织特异的单潜能干细胞方向分化。据此,VSELs可能在成体组织的更新和损伤组织的再生修复过程中发挥重要作用。