Abstract：
:In vivo inoculation of cells such as tumor cells and induced pluripotent stem (iPS)/embryonic stem (ES) cells into immunocompromised mice has been considered as a powerful technique to evaluate their potential to proliferate or differentiate into various cell types originating from three germ cell layers. Subcutaneous grafting and grafting under the kidney capsule have been widely used for this purpose, but there are some demerits such as the requirement of a large number of tumor cells for inoculation and frequent failure of tumorigenesis. Therefore, grafting into other sites has been explored, including intratesticular or intramuscular grafting as well as grafting into the cochleae, liver, or salivary glands. In this study, we found that intrapancreatic parenchymal injection of cells is useful for allowing a small number of cells (~15 × 10³ cells or ~30 cell clumps μL-1·site-1) to proliferate and sometimes differentiate into various types of cells. It requires only surgical exposure of the pancreas over the dorsal skin and subsequent injection of cells towards the pancreatic parenchyma under dissecting microscope-based observation using a mouthpiece-controlled glass micropipette. We now name this technology "intrapancreatic parenchymal cell transplantation (IPPCT)", which will be useful, especially when only a small number of cells or colonies are available.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Sato M,Saitoh I,Murakami T,Kubota N,Nakamura S,Watanabe S,Inada Edoi
10.3390/ijms18081678subject
Has Abstractpub_date
2017-08-02 00:00:00issue
8issn
1422-0067pii
ijms18081678journal_volume
18pub_type
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