Abstract

The regional levels' profile of human beta-endorphin (beta h-EP) was studied in the brainstem and the cerebellum of 16 infant victims of “Sudden Infant Death Syndrome” and other death causes. An immunoaffinity chromatography procedure based on a monoclonal antibody directed specifically against the N-terminus of beta-EP was used to extract this peptide from the tissue samples. Beta-EP was then assessed quantitatively by means of a very sensitive solid phase radioimmunoassay (using a polyclonal antibody specific for the C-terminus of beta-EP) developed especially for the study presented here.

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