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[In vitro culture of primary islet cells of suckling rats].
Di Yi Jun Yi Da Xue Xue Bao ; 23(8): 820-2, 2003 Aug.
Artigo em Chinês | MEDLINE | ID: mdl-12919908
ABSTRACT

OBJECTIVE:

To find a new method for obtaining abundant, well-purified and functionally active rat islet cells cultured in vitro.

METHOD:

The pancreatic tissues of suckling rats underwent repeated digestion for short durations with collagenase, and the cell growth was observed under inverted microscope 18 h after cell inoculation. The cultured cells were then transferred to a new culture plate and the supernate was harvested regularly to determine the concentration of insulin, amylase and glucose-stimulated insulin release.

RESULTS:

The fibroblast cells in the primary cultured suckling rat cells were obviously reduced, and the ratio of dithizone-stained cells were 85%-90% with the viability exceeding 90% as assessed by trypan blue staining. The secretion function of the cultured cells remained normal after a 7- to 11-day culture.

CONCLUSION:

Repeated digestion of the pancreatic tissues for short durations with collagenase and timely cell transfer to new plate may help achieve highly purified viable monolayer islet cells that are well applicable for experimental studies.
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Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Ilhotas Pancreáticas Limite: Animais Idioma: Chinês Revista: Di Yi Jun Yi Da Xue Xue Bao Assunto da revista: Medicina Ano de publicação: 2003 Tipo de documento: Artigo País de afiliação: China