Reduction of sera requirements in amniotic fluid cell culture

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Abstract
Reduction in serum requirement for culture of primary human amniotic fluid cells can be achieved by the addition of 10 growth‐promoting factors to the nutrient medium. This supplemented medium preserves cell types normally found in amniotic fluid cell cultures supplemented with 20–30 per cent fetal bovine serum. The volume of amniotic fluid required to initiate culture can be as little as 1 ml. Amniotic fluid samples contaminated with red blood cells with no visible clot also grow well in the low serum medium. Cell‐free amniotic fluid combined with equal parts of supplemented medium is useful in initiating cell culture.