Beta-endorphin-like and alpha-MSH-like immunoreactivities in human milk |
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| Authors: | T Ferrando I Rainero T De Gennaro R Oggero M Mostert P Dattola L Pinessi |
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| Institution: | Department of Pediatrics, University of Turin, Italy. |
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| Abstract: | We measured with radioimmunoassay the beta-endorphin-like and alpha-MSH-like immunoreactivities in milk and plasma of 8 lactating women. Mean beta-endorphin concentrations ( +/- SD) were 16.6 +/- 6.7 fmol/ml in milk and 9.9 +/- 4.1 fmol/ml in plasma. alpha-MSH concentrations (mean +/- SD) were 39.4 +/- 15.5 pg/ml in milk and 18.2 +/- 8.4 pg/ml in plasma. The concentrations of both peptides in milk were significantly (p less than 0.05) higher than in plasma. No significant correlation between milk and plasma concentrations of these peptides was found. |
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