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Growth and secretion features of microencapsulated human adrenal pheochromocytoma cells in artificial cerebrospinal fluid / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 6114-6120, 2015.
Article in Chinese | WPRIM | ID: wpr-480608
ABSTRACT

BACKGROUND:

Microencapsulated cels are commonly used as a tool to overcome immune rejection after subarachnoid transplantation. However, the effect of microencapsulation on the secretion of human pheochromocytoma cels is unclear.

OBJECTIVE:

To observe the growth and secretion of primarily microencapsulated cultured human pheochromocytoma cels in artificial cerebrospinal fluid.

METHODS:

The human pheochromocytoma tissues were digested successively to isolate human pheochromocytoma cels that were then cultured in artificial cerebrospinal fluid. Primary cels were covered with alginate-polylysine-alginate microcapsules, and then the cel morphology was observed with inverted phase contrast microscope. Levels of met-enkephalin and norepinephrine in cel culture medium were detected by enzyme-labeled immunosorbent assay (ELISA). We used cel counting kit-8 colorimetric assay to obtain the growth curve of human pheochromocytoma cels in artificial cerebrospinal fluid. RESULTS AND

CONCLUSION:

Microcapsulated human pheochromocytoma cels were in suspension and the process outgrowth increased slowly. Compared with non-microcapsulated cels, the proliferation rate of microcapsulated cels increased significantly. ELISA results revealed a significant increase in the levels of met-enkephalin and norepinephrine secreted from the microencapsulated cels compared to the non-microcapsule group. There was a wide variation in contents of met-enkephalin and norepinephrine from different tumors. These findings indicate that microencapsulated human pheochromocytoma cels can survive wel and have good secretion function in artificial cerebrospinal fluid, and human pheochromocytoma cels from different tumor tissues have stable secretory function.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2015 Type: Article