DNAase I encapsulated in liposomes can induce neoplastic transformation of syrian hamster embryo cells in culture

DNAase I encapsulated in liposomes can induce neoplastic transformation of syrian hamster embryo cells in culture
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封装在脂质体中的 DNAase I 可诱导培养的叙利亚仓鼠胚胎细胞的肿瘤转化

DOI:
10.1016/0092-8674(84)90450-1
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发表时间:
1984
期刊:
影响因子:
64.5
通讯作者:
P. Ts'o
P. Ts'o
中科院分区:
生物学1区
文献类型:
--
作者:
M. Zajac;P. Ts'o

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我们已经使用脂质体将DNA酶I递送到正常叙利亚仓鼠胚胎(SHE)细胞内。我们发现DNA酶I通过剂量依赖性细胞毒性进入细胞内; DNA酶I通过诱导染色体畸变和HPRT位点的体细胞突变(但不是Na+/K+ ATP酶位点)进入细胞核。通过饱和密度增加、低接种密度下的集落形成、1%血清和0.3%琼脂中的集落形成以及100%注射动物的致瘤性,证明了DNA酶I-脂质体处理的培养物中的肿瘤转化诱导。
We have used liposomes to deliver DNAase I inside normal Syrian hamster embryo (SHE) cells. We showed the entrance of DNAase I inside the cell by dose-dependent cytotoxicity; and the entrance of DNAase I into the nucleus by the induction of chromosomal aberrations and somatic mutation at the HPRT locus (but not at the Na+/K+ ATPase locus). The induction of neoplastic transformation in cultures treated by DNAase I-in-liposomes was manifested by increased saturation density, colony formation at low seeding density, colony formation in 1% serum and 0.3% agar, and tumorigenicity in 100% of injected animals.
[甲基-3H]胸苷诱导体细胞突变和肿瘤转化。
DOI: --
发表时间: 1982
期刊: Radiation research
影响因子: 3.4
作者:
Lin,SL;Takii,M;Ts'o,PO
通讯作者: Ts'o,PO