Porcine pancreatic ductal epithelial cells transformed with KRAS(G12D) and SV40T are tumorigenic.

Porcine pancreatic ductal epithelial cells transformed with KRAS(G12D) and SV40T are tumorigenic.
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DOI:
10.1038/s41598-021-92852-2
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发表时间:
2021-06-28
期刊:
影响因子:
4.6
通讯作者:
Carlson MA
Carlson MA
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Bailey KL;Cartwright SB;Patel NS;Remmers N;Lazenby AJ;Hollingsworth MA;Carlson MA

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我们描述了我们的初步研究,在原位,遗传定义,大型动物模型的胰腺癌的发展。从家猪胰管中分离原代胰腺上皮细胞。从这些具有致癌KRAS和SV40 T的原代细胞产生转化细胞系。转化细胞系在增殖、群体倍增时间、软琼脂生长、transwell迁移和侵袭方面优于原代细胞和SV40 T永生化细胞。转化的细胞系在裸鼠皮下注射时生长肿瘤,形成腺体结构并对上皮标记物染色。未来的工作将包括将这些致瘤性猪胰腺细胞系植入同种异体和自体猪胰腺的研究。由此产生的大型胰腺癌动物模型可用于诊断、介入和治疗技术的临床前研究。
We describe our initial studies in the development of an orthotopic, genetically defined, large animal model of pancreatic cancer. Primary pancreatic epithelial cells were isolated from pancreatic duct of domestic pigs. A transformed cell line was generated from these primary cells with oncogenic KRAS and SV40T. The transformed cell lines outperformed the primary and SV40T immortalized cells in terms of proliferation, population doubling time, soft agar growth, transwell migration and invasion. The transformed cell line grew tumors when injected subcutaneously in nude mice, forming glandular structures and staining for epithelial markers. Future work will include implantation studies of these tumorigenic porcine pancreatic cell lines into the pancreas of allogeneic and autologous pigs. The resultant large animal model of pancreatic cancer could be utilized for preclinical research on diagnostic, interventional, and therapeutic technologies.
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