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Folia histochemica et cytobiologica

Evaluation of a system producing the hemopoietic factor. WEHI-3B cell line function, when encapsulated in a polypropylene hollow fibre.


PMID 11820559

Abstract

The purpose of our study was evaluation of functioning of WEHI-3B (an mouse cell line producing IL-3) cells encapsulated in hollow fibers (HF). In vitro: the WEHI-3B cells were encapsulated in HF of polypropylene K600 silikonized, and cultured over two weeks. In vivo: the encapsulated WEHI-3B after weeks culture, were implanted subcutaneously into mice for 1 week. After explantation encapsulated WEHI 3-B were cultured again in culture medium for one week. The production of IL-3 by encapsulated WEHI-3B cells was assessed by evaluation of IL-3 dependent, BaF3 cells viability. The percent number of one day survival of BaF3 cells in the culture medium supplemented with 15% of encapsulated WEHI-3B in vitro or encapsulated WEHI-3B after in vivo conditioned medium was comparable with positive control. Possible replacement of recombinant cytokines with HF encapsulated cytokine-producing cells may be a chance for continous supplementation of the factors for hematopoietic stem cells differentiation.

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WEHI 3B, 86013003