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Published on: February 18, 2016
3D Culture System for Human Adrenal Glands That Uses a Sequential Processing Medium to Facilitate Cortical-Medullary
Background:
The human adrenal gland is composed of the cortex and the medulla, which contain different function cells. The aim of this study was to build a 3D culture system for human adrenal glands.
Methods:
Human fetal adrenal tissues were digested into a cell suspension culture and processed in three-phase 3D cultures.
Results:
Apparent spheroids could be seen from the 4th day on. After 21 days of 3D culture, steroid synthesis cells were evident via CYP17A1+ immunohistochemical staining and flow cytometry analysis. Electron microscopy analysis showed that these cells were present in lipid droplets in the cytoplasm. Meanwhile, TH+ cells represented catecholamine-producing cells, and these cells exhibited electron density particle gathering in the cytoplasm. Dehydroepiandrosterone and epinephrine syntheses were further confirmed via enzyme-linked immunosorbent assay.
Conclusions:
We established a 3D culture system for human adrenal glands by using a sequential processing medium to facilitate cortical-medullary cell development.
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