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Chen,Haide; Li,Yang; Lin,Xijuan; Cui,Di; Cui,Chun; Li,Hui; Xiao,Lei. |
BACKGROUND: Theoretically human embryonic stem cells (hESCs) have the capacity to self-renew and differentiate into all human cell types. Therefore, the greatest promise of hESCs-based therapy is to replace the damaged tissues of patients suffering from traumatic or degenerative diseases by the exact same type of cells derived from hESCs. Allo-graft immune rejection is one of the obstacles for hESCs-based clinical applications. Human leukocyte antigen (HLA) II leads to CD4+ T cells-mediated allograft rejection. Hence, we focus on optimizing hESCs for clinic application through gene modification RESULTS: Transcription activator-like effector nucleases (TALENs) were used to target MHC class II transactivator (CIITA) in hESCs efficiently. CIITA-/-hESCs did... |
Tipo: Journal article |
Palavras-chave: HESCs; CIITA; TALENs; Immune rejection. |
Ano: 2015 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602015000100059 |
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Li,JinLong; Li,Hui; Zhang,ZhaoLi; Wang,NianYue; Zhang,Yong Chen. |
CONTEXT: Trichosanthin produced in the root tube of Trichosanthes kirilowii shows anti-tumor activity on a series of cancer cells including Hela, MCF-7, HL-60. But there is little information about its effect on the carcinogenesis of prostate cancer. OBJECTIVE: This work was designed to study the role of trichosanthin on prostate cancer cells PC3. MATERIALS AND METHODS: Trichosanthin was expressed in BL21 strain and purified by affinity chromatography. MTT assay was designed to determine the effect of trichosanthin on growth of PC3 cells at doses of 10, 20, 40, 60, 80, and 120 μg/ml.Then the effect of 50 μg/ml rTCS alone or combined with 2 μΜ IL-2 on PC3 cell proliferation was analyzed. And the mechanism of rTCS was... |
Tipo: Journal article |
Palavras-chave: Trichosanthin; Interleukin IL-2; Prostate cancer cells PC3; Tumor. |
Ano: 2016 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100021 |
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