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Updated: Sep 16, 2026

High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
Published on: November 23, 2013
Monoclonal antibodies to dalargin--a synthetic analog of enkephalins
N M Ananyeva1, V A Tischenko, J D Bespalova
1National Cardiology Research Center, Academy of Medical Sciences, Moscow, U.S.S.R.
Abstract:
Monoclonal antibodies (MABs) to a new drug Dalargin (Tyr-D-Ala-Gly-Phe-Leu-Arg) enhancing ulcer healing have been produced. Dalargin is a synthetic analog of Leu-enkephalin. With about 40 compounds tested in competition radioimmunoassay it has been shown that specificity of the MABs is directed against the N-terminal tetrapeptide of the molecule. The MABs are sensitive to amino acid substitutions in any of the positions of the fragment and have no cross-reactivity with endogenous opioids. Their further application in pharmacokinetic studies in humans and for characterization of opioid receptors is discussed.
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