Demonstration of astrocytes in cultured amniotic fluid cells of three cases with neural-tube defect.

Abstract:

:We have investigated the origin of rapidly adhering (RA) cells in three cases of neural tube defects (two anencephali, one encephalocele). We were able to demonstrate the presence of glial fibrillary acidic (GFA) protein in variable percentages (4--80%) of RA cells cultured for 4--6 days by use of indirect immunofluorescence with GFA antiserum. Cells cultured from amniotic fluids of normal pregnancies and fetal fibroblasts were completely GFA protein negative. GFA protein is well established as a highly specific marker for astrocytes. Demonstration of astrocytes may prove to be a criterion of high diagnostic value for neural tube defects. The percentage of astrocytes decreased with increasing culture time, while the percentage of fibronectin positive cells increased both in amniotic fluid cell cultures from neural tube defects and normal pregnancies.

journal_name

Hum Genet

journal_title

Human genetics

authors

Cremer M,Schachner M,Cremer T,Schmidt W,Voigtländer T

doi

10.1007/BF00274694

subject

Has Abstract

pub_date

1981-01-01 00:00:00

pages

365-70

issue

3

eissn

0340-6717

issn

1432-1203

journal_volume

56

pub_type

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