The central effect of methionine-enkephalin on NK cell activity

Identification of two related pentapeptides from the brain with potent opiate agonist activity

1975 • 3,780 citations

Suggestive Evidence for Receptors for Morphine and Methionine-Enkephalin on Normal Human Blood T Lymphocytes

1979 • 574 citations

Enhancement of natural cytotoxicity by beta-endorphin.

1983 • 457 citations

Naltrexone

1988 • 314 citations

The Periaqueductal Gray Matter Mediates Opiate-Induced Immunosuppression

1989 • 280 citations

The use of quaternary narcotic antagonists in opiate research

1985 • 244 citations

Duration of occupancy of opiate receptors by naltrexone.

1988 • 191 citations

Neuroimmunomodulation with enkephalins: Enhancement of human natural killer (NK) cell activity in vitro

1984 • 136 citations

Neuropharmacological actions of enkephalin after systemic administration

1976 • 99 citations

Synthesis of enkephalins by adrenal medullary chromaffin cells: reserpine increases incorporation of radiolabeled amino acids.

1980 • 89 citations

OPIATE MODULATION OF THE PITUITARY-ADRENAL AXIS: EFFECTS OF STRESS AND CIRCADIAN RHYTHM

1982 • 86 citations

μ-, δ-, κ- and ϵ-Opioid receptor modulation of the hypothalamic-pituitary-adrenocortical (HPA) axis: subchronic tolerance studies of endogenous opioid peptides

1987 • 76 citations

Regulation of human natural cytotoxicity by enkephalins and selective opiate agonists

1988 • 68 citations

Conditioned augmentation of natural killer cell activity. Independence from nociceptive effects and dependence on interferon-beta.

1988 • 64 citations

Peripheral receptors mediate the aversive conditioning effects of morphine in the rat

1987 • 51 citations

Reversal of morphine-induced catalepsy in the rat by narcotic antagonists and their quaternary derivatives

1983 • 47 citations

Enkephalins and Immunity. II: In Vivo Modulation of Cell‐Mediated Immunity^a

1987 • 36 citations

Enkephalins and anaphylactic shock: modulation and prevention of shock in the rat

1987 • 31 citations

Conditioned enhancement of natural killer cell activity, but not interferon, with camphor or saccharin‐Licl conditioned stimulus

1987 • 30 citations

Naltrexone blocks the expression of the conditioned elevation of natural killer cell activity in BALBc mice

1989 • 29 citations

Neuroimmunomodulation with enkephalins: in vitro enhancement of natural killer cell activity in peripheral blood lymphocytes from cancer patients.

1987 • 29 citations

Modulation of in vivo immune responses by enkephalins.

1986 • 22 citations

Effects of endogenous and exogenous opioids on splenic natural killer cell activity.

1986 • 22 citations

conformation and biological activities of hexapeptides related to enkephalins: Respective roles fo the ammonium and hydroxyl groups of tyrosine

1979 • 21 citations

Effect of reserpine on retention of the conditioned NK cell response

1990 • 21 citations

Concentration‐Dependent Effect of Met‐Enkephalin on Human Polymorphonuclear Leukocytes

1987 • 21 citations

In Vivo Enhancement of NK Cell Activity with Met-Enkephalin and Glycyl-Glutamine: Their Possible Role in the Conditioned Response

1991 • 18 citations

Enkephalinase-inhibitors modulate immune responses

1991 • 17 citations

Enhancement of Host Resistance to Viral and Tumor Challenge by Treatment with Methionine‐Enkephalin

1987 • 16 citations

In Vivo Modulation of the Immune System by Enkephalins

1990 • 16 citations

Dual effects of (D-Ala2,Met5)-enkephalinamide on CRF and ACTH secretion

1987 • 16 citations

Dual immunomodulation by met-enkephalin

1989 • 13 citations

Sinemet in Parkinsonʼs Disease

1986 • 13 citations

Conformational features responsible for the binding of cyclic analogues of enkephalin to opioid receptors

1990 • 12 citations

Cerebrally Mediated Modulation of Anaphylactic Shock by Methionine-Enkephalin

1990 • 11 citations

Changes of experimental allergic encephalomyelitis by methionine-enkephalin injected into lateral ventricles of the rat brain

1991 • 8 citations

Quaternary naltrexone reverses morphine-induced behaviors

1985 • 7 citations

Suppression of Anaphylactic Shock by Enkephalinsa

1988 • 4 citations