1921
Volume 23, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

For the routine in vitro cultivation of , the initial parasitemia is usually adjusted to 1% to 2%. Large quantities of parasites in mature stages are desirable for most biochemical studies. Since only ring stages of the parasites normally appear in the peripheral blood of -infected monkeys, we have attempted to culture large quantities of parasites to older stages by a modification of the usual in vitro culture methods employed in this laboratory. This modification involves: 1) using moderately high parasitemia in the starting material; 2) addition of TES (N-tris[hydroxymethyl]methyl-2-aminoethansulfonic acid) as a supplementary buffer in our modified Harvard medium; 3) increasing the ratio of blood to culture medium from 1:9 to 1:18; and 4) using 250- and 500-ml flasks as culture vessels. The results obtained in a series of experiments using the modified technique indicate that we can produce mature stages of with parasitemia as high as 75%.

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/content/journals/10.4269/ajtmh.1974.23.1015
1974-11-01
2017-09-23
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1974.23.1015
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  • Accepted : 16 Feb 1974

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