ArticleHuman genetics1985
Improved technique for the expression of fragile-X in cultured amniotic fluid cells.
Article in Human genetics, 1985. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 14 citations in OpenAlex.
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5 authors at 1 institution in 1 country.
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Abstract
An improved technique for inducing fra(X) expression in cultured cells was obtained by using diazepam for mitotic arrest and 5-fluorodeoxyuridine (FUdR) for the induction of fra(X) expression. The method was developed using cultured fibroblast and urinary cells from fra(X) patients. Prenatal studies were performed on cultured amniotic fluid cells in five pregnancies at risk for fra(X). In two cases the cultured cells showed a 46,XY, fra(X) karyotype. One of the pregnancies was terminated and the diagnosis was confirmed by chromosome studies on several fetal tissues including chorionic villi and by histopathologic changes in the lymphatic vessels of the fetal testes. The fra(X) was also demonstrated in chorionic villi in a case in which amniotic fluid cells were not studied. Chorionic villi were isolated after a spontaneous abortion, the cultured cells had a 45,X karyotype and in addition 5% of the cells were fra(X) positive.
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