Study of microencapsulated pituitary transplantation. Preparation of the capsule and its property.

Abstract:

:Microencapsules for pituitary transplantation was successfully developed with sodium alginate and poly-L-lysine (average molecular weight MW 70,000). The permeability of the capsular membrane (CM) was tested. The results showed that 60% of growth hormone (GH), thyroid stimulating hormone (TSH), prolactin (PRL) have passed through the membrane within 3 hours, and reached equilibrium up to 6 hours, suggesting that pituitary hormones (MW 20,000) could pass through CM freely. Bovine serum albumin (MW 67,000) in 50% could also permeate the CM in 3 hours and reached equilibrium up to 24 hours. While immunoglobulin (Ig, MW > 150,000) did not penetrate the CM completely. This study revealed that the microencapsular membrane we made effected immuno-isolation and could be used for pituitary transplantation.

journal_name

Chin Med J (Engl)

journal_title

Chinese medical journal

authors

Chen ZP,Bao YD

subject

Has Abstract

pub_date

1994-03-01 00:00:00

pages

200-4

issue

3

eissn

0366-6999

issn

2542-5641

journal_volume

107

pub_type

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