Biologically active peptides which inhibit toxoplasma multiplication
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United States of America Patent
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Jan 30, 1990
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N/A
app pub date -
Dec 28, 1988
filing date -
Dec 28, 1987
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Expired
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Abstract
Biologically active peptides each having an activity to inhibit multiplication of toxoplasma and having a structure composed of amino acid sequence by the formula Gly-Glu-Glu-Glu-Glu-Glu; Glu-Glu-Glu-Glu-Glu; Asp-Asp-Asp-Asp-Asp; or Ala-Asp-Asp-Asp-Asp-Asp. These peptides are estimated to form active units or cores of Obioactin. The peptides may be applied in various dosage forms to human being and animals as immunoregulators against attack by toxoplasma, since they exhibit no specie specificity and have Toxo-GIF activities of 10 or more times on weight basis, and 40 or more time on molar basis, of that of the crude Obioactin.
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