Enhanced analgesic effects of stress following chronic administration of naltrexone in rats

Opiates and endogenous opioid peptides

1977 • 1,282 citations

Foot-shock induced stress increases β-endorphin levels in blood but not brain

1977 • 576 citations

Stress-induced parallel changes in central opioid levels and pain responsiveness in the rat

1977 • 560 citations

Relation of endogenous opioid peptides and morphine to neuroendocrine functions

1979 • 433 citations

Endogenous opioid ligands may mediate stress-induced changes in the affective properties of pain related behavior in rats

1978 • 273 citations

Footshock induced analgesia in mice: Its reversal by naloxone and cross tolerance with morphine

1977 • 234 citations

The pituitary gland mediates acute and chronic pain responsiveness in stressed and non-stressed rats

1979 • 181 citations

Chronic naloxone results in prolonged increases in opiate binding sites in brain

1978 • 169 citations

Conditional fear-induced antinociception and decreased binding of[3H]N-Leu-enkephalin to rat brain

1978 • 168 citations

Enhanced analgesic effects of morphine after chronic administration of naloxone in the rat

1978 • 128 citations

Supersensitivity to opioids following the chronic blockade of endorphin action by naloxone

1979 • 109 citations

THE EFFECTS OF OPIATE RECEPTOR AGONISTS AND ANTAGONISTS ON THE STRESS‐INDUCED SECRETION OF CORTICOSTERONE IN MICE

1979 • 74 citations

Adrenal steroids indirectly modulate morphine and beta-endorphin effects.

1979 • 72 citations

Autoanalgesia: Behaviorally activated antinociception

1977 • 71 citations

The effect of pituitary‐adrenal function in the modulation of pain sensitivity in the rat

1978 • 27 citations

Swim-stress induced analgesia and lack of its naloxone antagonism.

1978 • 24 citations