PMID: 9163787May 1, 1997Paper

A simple method for purification of adult pig pancreatic endocrine cells

Pancreas
S SatoK Ota

Abstract

Adult pig pancreatic endocrine cells were harvested by autodigestion without added enzymes. The isolated, crude cells were purified by mono-poly resolving medium (MPRM). The purity of the harvested cells was determined by dithizone staining and the number of pancreatic endocrine cells was counted. A large number of the cells were stained red with dithizone and showed a high viability and a good insulin secretory response to glucose stimulation. The average number of cells purified by MPRM was 3.40 +/- 1.32 x 10(5) cells/g pancreas and the number of dithizone-stained cells was 2.81 +/- 1.09 x 10(5) cells/g pancreas. The insulin secretion from the pancreatic endocrine cells was maintained throughout a 40-day observation period and high glucose stimulation induced an increase in insulin secretion from the cultured cells. In the cells purified by MPRM, light and electron microscopic studies showed the cells to be typical pancreatic endocrine cells. The present purification method using MPRM allowed us quickly to obtain a large amount of adult pig pancreatic endocrine cells from the unpurified preparations. It is thought to be useful for transplantation and biochemical or biological studies of adult pig pancreatic endocrine cells.

Citations

May 4, 2006·Pancreas·Mariko TsuchiyaKen Tsuchiya
May 10, 2011·The Journal of Surgical Research·José Caballero-CorbalánDaniel Brandhorst
Nov 6, 2003·The Journal of Veterinary Medical Science·Shin ItakuraNobuo Sasaki

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