Abstract
Fasting human plasma immunoreactive leu-enkephalin (ir-leu-enkephalin) measured by radioimmunoassay averages 54±10 pg/ml. The method depends on acidification of plasma to protect against destruction of the peptide, adsorption to XAD-2 resin, extraction from the resin by aqueous methanol and concentration by evaporation. Plasma enkephalin in the dog increased from 13 to 56 pg/ml following insulin-induced hypoglycemia.
| Original language | English |
|---|---|
| Pages (from-to) | 367-369 |
| Number of pages | 3 |
| Journal | Journal of Clinical Endocrinology and Metabolism |
| Volume | 52 |
| Issue number | 2 |
| DOIs | |
| State | Published - Feb 1981 |
| Externally published | Yes |