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Automated Method for Isolation of Adrenal Medullary Chromaffin Cells From Neonatal Porcine Glands

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Abstract:

An automated method for the isolation of neonatal porcine adrenal chromaffin cells is described. Adrenal chromaffin cells are potentially useful for therapeutic transplantation, but current isolation methodology suffers from labor intensiveness and variability in yield and viability due to imprecision of manual techniques, enzyme purity, and gland age and species. The described approach utilizes an adaptation of an automated procedure previously described for isolation of pancreatic islets. Results from neonatal porcine adrenal glands revealed consistent cell yields with high (approximately 99%) viability. Catecholamine assays showed that the resultant cultures continue to produce and secrete norepinephrine and epinephrine. Immunocytochemical analysis indicated that the majority of cells in the preparation are chromaffin cells and adrenal cortical cells. The procedure meets the following requirements: 1) minimal traumatic action on the adrenal chromaffin cells, 2) continuous digestion in which the adrenal cells that are progressively liberated can be saved from further mechanical action, 3) minimal human intervention in the digestion process, and 4) high yield and viability of the isolated adrenal chromaffin cells.

Keywords: Catech; Chromaffin cells; Key words: Adrenal gland

Document Type: Research Article

DOI: https://doi.org/10.3727/000000001783986288

Affiliations: Diabetes Research Institute and The Miami Project to Cure Paralysis, University of Miami School of Medicine, Miami, FL, 33136

Publication date: 2001-08-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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