Abstract
It is shown that synthetic analogs of two bone marrow hexapeptides (myelopeptides 1 and 2), which are identical in structure to the N-terminal peptide fragments of hemoglobin α- and β-chains, are characterized by naloxone-independent antibody-stimulating activity. The antibody-stimulating effect of the myelopeptides becomes naloxone-dependent and stronger against the background of immunosuppression provoked by the hot plate test carried out before immunization. Intraperitoneal administration of both myelopeptides in doses of 10−13–10−8 g/mouse causes a naloxone-dependent modulatory effect on mouse algesthesia threshold with a predominant analgetic effect.
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Translated fromByulleten' Eksperimental'noi Biologii i Meditsiny, Vol. 119, No 4, pp. 413–416, April, 1995
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Metaksa, E.E., Zakharova, L.A., Koptelov, O.V. et al. Influence of bone marrow hexapeptides (myelopeptides) on antibody production and algesthesia in mice and the dependence of these effects on naloxone. Bull Exp Biol Med 119, 400–403 (1995). https://doi.org/10.1007/BF02445904
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DOI: https://doi.org/10.1007/BF02445904