| 摘要 |
The invention relates to compounds exhibiting immunoregulatory activity as determined by measuring the compound's ability to modulate production of NO by a cell. Preferred compounds include or consist of a sequence <?in-line-formulae description="In-line Formulae" end="lead"?>AAL AAQ AAG AAV<?in-line-formulae description="In-line Formulae" end="tail"?> wherein AAL is a substituted or unsubstituted non-polar amino acid selected from the group consisting of Ala and Leu; wherein AAQ is a substituted or unsubstituted amino acid selected from the group consisting of Gln, Pro, and Ala; wherein AAG is a substituted or unsubstituted amino acid Gly, and wherein AAV is a substituted or unsubstituted non-polar amino acid selected from the group consisting of Val and Ala. In one embodiment, the compound consists of a tripeptide selected from the group AQG, MTR, VVC, and mixtures thereof.
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