Endogenous opiates: 1979

Induction of maternal behavior in virgin rats after intracerebroventricular administration of oxytocin

1979 • 818 citations

On the specificity of naloxone as an opiate antagonist

1979 • 611 citations

Relation of endogenous opioid peptides and morphine to neuroendocrine functions

1979 • 433 citations

Specific Nonopiate Receptors for β-Endorphin

1979 • 412 citations

Naloxone and shock-elicited freezing in the rat.

1979 • 403 citations

Multiple opiate receptors: different regional distribution in the brain and differential binding of opiates and opioid peptides.

1979 • 399 citations

Immunohistochemical mapping of enkephalin containing cell bodies, fibers and nerve terminals in the brain stem of the rat

1979 • 382 citations

Specific [3H]phencyclidine binding in rat central nervous system.

1979 • 382 citations

Opiate Antagonists: A Role in the Treatment of Hypovolemic Shock

1979 • 355 citations

Enkephalin immunoreactive nerve fibres and cell bodies in sympathetic ganglia of the guinea-pig and rat

1979 • 346 citations

Endogenous Opioids Participate in the Regulation of the Hypothalamic-Pituitary-Luteinizing Hormone Axis and Testosterone's Negative Feedback Control of Luteinizing Hormone*

1979 • 316 citations

Electroacupuncture analgesia could be mediated by at least two pain-relieving mechanisms; endorphin and non-endorphin systems

1979 • 307 citations

Naloxone dose dependently produces analgesia and hyperalgesia in postoperative pain

1979 • 305 citations

Suppression of deprivation-induced food and water intake in rats and mice by naloxone

1979 • 282 citations

Stimulation of Human Periaqueductal Gray for Pain Relief Increases Immunoreactive β-endorphin in Ventricular Fluid

1979 • 282 citations

CNS effects of peripherally administered brain peptides

1979 • 278 citations

ELEMENTAL DIETS

1975 • 277 citations

Effect of naloxone and morphine on various forms of memory in the rat: Possible role of endogenous opiate mechanisms in memory consolidation

1979 • 266 citations

Endorphins are stored in biologically active and inactive forms: isolation of α-N-acetyl peptides

1979 • 265 citations

Hypothalamic enkephalin neurones may regulate the neurohypophysis

1979 • 258 citations

DOES T4 TOXICOSIS EXIST ?

1975 • 252 citations

Entry of Opioid Peptides into the Central Nervous System

1980 • 247 citations

Morphine- and opioid peptide-induced inhibition of the release of dopamine from tuberoinfundibular neurons

1979 • 234 citations

ACh, substance P and met-enkephalin in the locus coeruleus: Pharmacological evidence for independent sites of action

1979 • 230 citations

α-Neo-endorphin: A “big” leu-enkephalin with potent opiate activity from porcine hypothalami

1979 • 229 citations

Met-enkephalin circulates in human plasma

1980 • 217 citations

Naloxone enhancement of memory

1979 • 210 citations

Induction of Copulatory Behavior in Sexually Inactive Rats by Naloxone

1979 • 202 citations

Perinatal development of the endorphin- and enkephalin- containing systems in the rat brain

1979 • 201 citations

β-ENDORPHIN IN THE HUMAN PANCREAS

1979 • 200 citations

Opioid Peptides Modulate Luteinizing Hormone Secretion During Sexual Maturation

1979 • 199 citations

Long-Term Analgesic Effects of Inescapable Shock and Learned Helplessness

1979 • 197 citations

Specificity of opioids towards the μ-, δ- and ϵ-opiate receptors

1979 • 194 citations

Differential effects of leucine and methionine enkephalin on morphine-induced analgesia, acute tolerance and dependence.

1979 • 191 citations

Enkephalins presynaptically inhibit cholinergic transmission in sympathetic ganglia

1979 • 189 citations

β-Endorphin: Analgesic and hormonal effects in humans

1979 • 183 citations

Alterations in nociception and body temperature after intracisternal administration of neurotensin, beta-endorphin, other endogenous peptides, and morphine.

1979 • 183 citations

Improvement of Schizophrenic Patients Treated With Des-Tyr1]-γ-endorphin (DTγE)

1979 • 179 citations

Suppression of food intake and body weight gain by naloxone in rats

1979 • 176 citations

Enkephalin-containing amacrine cells in the avian retina: immunohistochemical localization.

1979 • 173 citations

Regional distribution of methionine-enkephalin- and beta-endorphin-like immunoreactivity in human brain and pituitary

1979 • 168 citations

Distribution of active and inactive forms of endorphins in rat pituitary and brain.

1979 • 168 citations

Suppression of appetitive behavior in the rat by naloxone: Lack of effect of prior morphine dependence

1979 • 164 citations

Selective receptors for β-endorphin on the rat vas deferens

1979 • 163 citations

Elevated plasma β-endorphin levels in pregnant women and their neonates

1979 • 159 citations

On the mechanism and site of action of enkephalin on single myenteric neurons

1979 • 157 citations

Peptides in the cat carotid body (glomus caroticum): VIP‐, enkephalin‐, and substance P‐like immunoreactivity

1979 • 157 citations

Met-enkephalin-like immunoreactivity in Merkel cells

1979 • 154 citations

Naloxone attenuates rat’s preference for signaled shock

1979 • 154 citations

NALOXONE REVERSES THE ANTIHYPERTENSIVE EFFECT OF CLONIDINE

1979 • 153 citations

Classification of Opioids on the Basis of Change in Seizure Threshold in Rats

1979 • 152 citations

Morphine derivatives with diminished opiate receptor potency show enhanced central excitatory activity

1979 • 149 citations

Andrenocorticotropin and β-lipotropin in the hypothalamus

1979 • 148 citations

Triggering of the endorphin analgesic reaction by a cue previously associated with shock: Reversal by naloxone

1979 • 142 citations

Morphine and endorphins modulate dopamine turnover in rat median eminence.

1979 • 140 citations

Endogenous opiates block dopamine inhibition of prolactin secretion in vitro

1979 • 138 citations

Minireview opiates, opioid peptides and single neurones

1979 • 137 citations

Suppression of noxious responses in single neurons of cat spinal cord by electroacupuncture and its reversal by the opiate antagonist naloxone

1979 • 135 citations

Met- and Leu-enkephalin immunoreactivity in separate neurones

1979 • 133 citations

Neurons of the rat hypothalamus reactive with antisera against endorphins, ACTH, MSH and ?-LPH

1979 • 133 citations

Neuronal localisation of immunoreactive enkephalin and β-endorphin in the earthworm

1979 • 133 citations

Beta-endorphin and endoloxone: Hormones of the autonomic nervous system for the conservation or expenditure of bodily resources and energy in anticipation of famine or feast

1979 • 132 citations

MEASUREMENT OF β-ENDORPHIN IN HUMAN PLASMA

1979 • 130 citations

β-endorphin concentration in the brain of intact and hypophysectomized rats

1979 • 130 citations

PREVENTION OF EFFECTS OF ALCOHOL INTOXICATION BY NALOXONE

1979 • 129 citations

Chronic treatment with haloperidol accelerates the biosynthesis of enkephalins in rat striatum

1979 • 128 citations

Immunoreactive β‐endorphin and acth in the same neurons of the hypothalamic arcuate nucleus in the rat

1979 • 128 citations

Suppression of nociceptive responses in the primate by electrical stimulation of the brain or morphine administration: behavioral and electrophysiological comparisons

1979 • 125 citations

Comparison of the analgesic effects of various opioid peptides by a newly devised intracisternal injection technique in conscious mice

1979 • 125 citations

MIF-I's differential actions as an opiate antagonist

1979 • 121 citations

Effects of morphine and β-endorphin on basal and elevated plasma levels of α-MSH and vasopressin

1979 • 120 citations

Facilitation of self-stimulation behavior following intracerebral microinjections of opioids into the ventral tegmental area

1979 • 120 citations

Regional distribution of a high-affinity enkephalin-degrading peptidase (‘enkephalinase’) and effects of lesions suggest localization in the vicinity of opiate receptors in brain

1979 • 116 citations

Effect of naloxone on analgesia induced by food deprivation

1979 • 113 citations

Interaction between opiates and hypothalamic dopamine on prolactin release

1979 • 112 citations

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

1979 • 109 citations

Human placental immunoreactive corticotropin, lipotropin, and beta-endorphin: evidence for a common precursor.

1979 • 108 citations

Naloxone-precipitated jumping in mice pretreated with acute injections of opioids

1979 • 108 citations

Effects of Morphine and Naloxone on Serum Levels of Luteinizing Hormone and Prolactin in Prepubertal Male and Female Rats

1979 • 108 citations

A rapid and inexpensive technique for assessing the reinforcing effects of opiate drugs

1979 • 108 citations

Opiate and non-opiate mechanisms of stress-induced analgesia: Cross-tolerance between stressors

1979 • 107 citations

Influence of opioids on central thermoregulatory mechanisms

1979 • 106 citations

Opioid peptides and alpha-melanocyte-stimulating hormone in genetically obese (ob/ob) mice during development.

1979 • 105 citations

Naloxone alters locomotion and interaction with environmental stimuli

1979 • 105 citations

Naloxone-induced suppression of food intake in normal and hypothalamic obese rats

1979 • 103 citations

β-endorphin immunoreactivity in rat and human blood: Radioimmunoassay, comparative levels and physiological alterations

1979 • 103 citations

Diurnal differences in opioid peptide levels correlated with nociceptive sensitivity

1979 • 103 citations

Dependence creating properties of lipotropin C-fragment (β-endorphin): Evidence for its internal control of behavior

1979 • 102 citations

Vertebrate neuropeptide-like substances in the suboesophageal ganglion of two insects: Locusta migratoria R. and F. (Orthoptera) and Bombyx mori L. (Lepidoptera) immunocytological investigation

1979 • 102 citations

The influence of naloxone on the C fiber response of dorsal horn neurons and their inhibitory control by raphe magnus stimulation

1979 • 100 citations

Some Observations on the Opiate Peptides and Schizophrenia

1979 • 97 citations

Opiate (Enkephalin) Receptors of Neuroblastoma Cells: Occurrence in Clusters on the Cell Surface

1979 • 96 citations

Combination of high pressure liquid chromatography and radioimmunoassay is a powerful tool for the specific and quantitative determination of endorphins and related peptides

1979 • 88 citations

Localization of opiate receptors in substantia nigra evidence by lesion studies

1979 • 87 citations

Excitation by morphine and enkephalin of single neurons of nucleus reticularis paragigantocellularis in the rat: a probable mechanism of analgesic action of opioids

1979 • 86 citations

Enkephalins increase dopamine levels in the CNS of a marine mollusc

1979 • 84 citations

Naloxone enhances respiratory output in cats

1979 • 83 citations

Additional evidence that small amounts of a peptide can cross the blood-brain barrier

1979 • 82 citations

Actions of various gastrointestinal peptides on the isolated amphibian spinal cord

1979 • 81 citations

Plasma β-Endorphin Immunoreactivity in Schizophrenia

1979 • 80 citations

Naloxone reduces pressing for intracranial stimulation of sites in the periaqueductal gray area, accumbens nucleus, substantia nigra, and lateral hypothalamus

1979 • 79 citations

Changes in rat brain opiate receptor content upon castration and testosterone replacement

1979 • 76 citations

Immunohistochemical localization of enkephalins in median eminence and adenohypophysis

1979 • 75 citations

Decreased content of immunoreactive enkephalin-like peptide in peripheral tissues of spontaneously hypertensive rats

1979 • 74 citations

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

1979 • 74 citations

Modulation of heroin self-administration by neurohypophyseal principles

1977 • 73 citations

Naloxone increases pain perception in rats and mice

1979 • 73 citations

β-Endorphin in human plasma: Basal and pathologically elevated levels

1979 • 73 citations

Adrenal steroids indirectly modulate morphine and beta-endorphin effects.

1979 • 72 citations

Modulation of in vitro release of β-endorphin from the separate lobes of the rat pituitary

1979 • 72 citations

Properties and localization of beta-endorphin receptor in rat brain.

1979 • 71 citations

Localization of corticotropin- and endorphin-related peptides in the intermediate lobe of the rat pituitary

1979 • 71 citations

Failure of naloxone to influence physiological growth hormone and prolactin secretion

1979 • 71 citations

Inhibitory potency of various peptides on enkephalinase activity from mouse striatum

1979 • 71 citations

Stress masks the hypothermic effect of naloxone in rats

1979 • 69 citations

Brain endorphins: possible role in reward and memory formation.

1979 • 69 citations

An investigation of whether septal γ-aminobutyrate-containing interneurons are involved in the reduction in the turnover rate of acetylcholine elicited by substance P and β-endorphin in the hippocampus

1979 • 69 citations

Lack of effect of naloxone on autoanalgesia

1979 • 68 citations

Naloxone excites nociceptive units in the lumbar dorsal horn of the spinal cat

1979 • 68 citations

Facilitation by opiate antagonists of sexual performance in the male rat

1979 • 68 citations

Dexamethasone partially reduces and 2% saline-treatment abolished electroacupuncture analgesia: These findings implicate pituitary endorphins

1979 • 68 citations

Effect of naloxone on the behaviour of rats exposed to a novel environment

1979 • 67 citations

Structure activity relationship of orally active enkephalin analogues as analgesics

1979 • 67 citations

Naloxone-reversible effect of opioids on pinocytosis in Amoeba proteus

1979 • 66 citations

Hibernation: An opioid-dependent state?

1979 • 66 citations

Comparative study of the neuronal populations containing β-endorphin, corticotropin and dopamine in the arcuate nucleus of the rat hypothalamus

1979 • 66 citations

Effect of β-Endorphin on Calcium Uptake in the Brain

1979 • 66 citations

Neonatal administration of β-endorphin produces “chronic” insensitivity to thermal stimuli

1979 • 66 citations

Effects of β-endorphin, morphine and naloxone on arginine vasopressin secretion and the electroencephalogram

1979 • 65 citations

The opiate antagonist naloxone modifies the effects of electroconvulsive shock (ECS) on respiration, blood pressure and heart rate

1979 • 65 citations

Action of intracerebrally injected β-endorphin on the rat's core temperature

1979 • 64 citations

Trypsin liberates an arginine vasopressin-like peptide and neurophysin from a Mr 20,000 putative common precursor.

1979 • 64 citations

α-Melanocyte-Stimulating Hormone: Reduction in Adult Rat Brain After Monosodium Glutamate Treatment of Neonates

1979 • 64 citations

Stress induced grooming in the rat — An endorphin mediated syndrome

1979 • 63 citations

The Effects of Opiate Agonist and Antagonist on Serum Prolactin in Primates: Possible Role for Endorphins in Prolactin Regulation*

1979 • 62 citations

Correlation of genetic differences in endorphin systems with analgesic effects of D-amino acids in mice

1979 • 61 citations

Presynaptic effects of morphine and methionine-enkephalin in feline spinal cord

1979 • 61 citations

Selective and non-selective inhibition by enkephalins and noradrenaline of nociceptive response of lamina V type neurons in the spinal dorsal horn of the rabbit

1979 • 61 citations

Experimental Alterations of Endorphin Levels in Rat Pituitary

1979 • 60 citations

Antagonism of cholecystokinin-like peptides by opioid peptides, morphine or tetrodotoxin

1979 • 60 citations

Isolation and structure of pro-methionine-enkephalin: Potential enkephalin precursor from porcine hypothalamus

1979 • 60 citations

Study of naloxone in normal awake man: Effects on heart rate and respiration

1979 • 59 citations

Acute tolerance to the excitatory effect of enkephalin microinjections into hippocampus

1979 • 58 citations

Endorphins and extinction: Differential actions on appetitive and adversive tasks

1979 • 57 citations

Met-enkephalin-like immunoreactivity in a cephalopod neurohemal organ

1979 • 56 citations

The unlabeled antibody method. Contrasting color staining of beta-lipotropin and ACTH-associated hypothalamic peptides without antibody removal.

1979 • 56 citations

Behavioral activities of opioid peptides and morphine sulfate in golden hamsters and rats

1979 • 55 citations

Antibodies to Cerebroside Sulfate Inhibit the Effects of Morphine and β-Endorphin

1980 • 55 citations

Effect of autoanalgesia on CNS enkephalin receptors

1979 • 54 citations

Effects of [Des-Tyr1]-γ-endorphin and α-endorphin on substantia nigra self-stimulation

1979 • 53 citations

Effects of α-endorphin, β-endorphin and (des-tyr1)-γ-endorphin on α-MPT-induced catecholamine disappearance in discrete regions of the rat brain

1979 • 51 citations

Corticotropin/β-endorphin precursor: Concomitant storage of its fragments in the secretory granules of anterior pituitary corticotropin/ endorphin cells

1979 • 51 citations

Methionine enkephalin and morphine alter monoamine and cyclic nucleotide levels in the cerebral ganglia of the freshwater bivalve

1979 • 50 citations

Drinking behaviour induced by intracerebroventricular administration of enkephalins to rats

1979 • 49 citations

Are the endorphins active in clinical pain states? Narcotic antagonism in chronic pain patients

1979 • 49 citations

Affective consequences and subsequent effects on morphine self-administration of d-ala2-methionine enkephalin

1979 • 49 citations

Is adenosine the mediator of opiate action on neuronal firing rate?

1979 • 48 citations

Diurnal rhythms in nociceptive thresholds of rats

1979 • 48 citations

Reduction of opiate binding to brainstem slices associated with the development of tolerance to morphine in rats.

1979 • 48 citations

Comparison of opiate- and opioid-peptide-induced immobility

1979 • 48 citations

Immunocytochemical identification of enkephalinergic neurons in the hypothalamic magnocellular preoptic nucleus of the goldfish, Carassius auratus

1979 • 48 citations

Interactions between personal expectations and naloxone: Effects on tolerance to ischemic pain

1979 • 47 citations

Interaction of iodinated human [D-Ala2]beta-endorphin with opitate receptors.

1979 • 47 citations

Glucocorticoids inhibit endorphin synthesis by pituitary cells

1979 • 46 citations

Antagonism of morphine-induced catalepsy by L-prolyl-L-leucyl-glycinamide

1979 • 46 citations

Inhibition of in vivo 3H-spiperone binding by the proposed antipsychotic des-try1-γ-endorphin

1979 • 46 citations

A further characterization of the differential effects of leucine enkephalin, methionine enkephalin and their analogs on morphine-induced analgesia.

1979 • 46 citations

Systemic administration of Met-enkephalin, (D-Ala2)-Met-enkephalin, β-endorphin, and (D-Ala2)-β-endorphin: Effects on eating, drinking and activity measures in rats

1979 • 46 citations

Distribution of β-endorphin and related peptides in the hypothalamus and pituitary

1979 • 45 citations

Specific versus non-specific actions of opioids on hippocampal neurones in the rat brain

1979 • 45 citations

Enkephalin-like products in embryonic chicken retina

1979 • 45 citations

Des-tyrosine -γ-endorphin and haloperidol: Behavioral and biochemical differentiation

1979 • 45 citations

Isolation and primary structure of endorphin from salmon pituitary glands

1979 • 43 citations

Evidence for morphine and morphine-like alkaloid responses resistant to naloxone blockade in the rat vas deferens

1979 • 43 citations

Examination of des-tyrosine1-γ-endorphin activity at 3H-spiroperidol binding sites in rat brain

1979 • 43 citations

Ultrastructural localization of immunoreactive corticotropin, ?-lipotropin, ?- and ?-endorphin in Cells of the human fetal anterior pituitary

1979 • 42 citations

The opiate antagonist, naloxone, does not affect descending inhibition from midbrain of nociceptive spinal neuronal discharges in the cat

1979 • 40 citations

Met-enkephalin-immunoreactive and gastrin-immunoreactive cells in the human and canine pyloric antrum

1979 • 40 citations

Distribution of beta-endorphin immunoreactivity in normal human pituitary.

1979 • 40 citations

Studies on the hyperthermic response of beta-endorphin in mice.

1979 • 39 citations

Lack of cross-tolerance between morphine and autoanalgesia

1979 • 38 citations

Perfusion of Naloxone Through the Fourth Cerebral Ventricle Reverses the Circulatory and Hypnotic Effects of Halothane in Dogs

1979 • 37 citations

Brain Opiate Receptor Concentrations are Increased in Adult Spontaneously Hypertensive Rats

1979 • 36 citations

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

1979 • 36 citations

Hyperpolarisation and depression of slow synaptic inhibition by enkephalin in frog sympathetic ganglion

1979 • 36 citations

Binding characteristics of a potent enkephalin analog

1979 • 36 citations

Autoanalgesia: Acquisition, blockade and relationship to opiate binding

1979 • 36 citations

Pre-exposure to morphine and the attenuation of conditioned taste aversion in rats

1978 • 35 citations

Naltrexone Antagonism of Exploration in the Rat

1979 • 35 citations

TSH Release-Inhibiting Activity of Leucine-Enkephalin

1979 • 35 citations

Enzymatic synthesis of Leu- and Met-enkephalin

1979 • 35 citations

Alteractions in brain opiate receptors in Parkinson's disease

1979 • 34 citations

Enkephalins and Pituitary Hormone Release Modification of Responsiveness to LHRH

1979 • 34 citations

Opioid peptides excite pyramidal neurons and evoke epil-eptiform activity in hippocampal transplants in oculo

1979 • 34 citations

Effects of an enkephalin analog on complex learning in the rhesus monkey

1979 • 34 citations

Exploratory behaviour and aversive thresholds following intra-amygdaloid application of opiates in rats

1979 • 33 citations

Are there opiate receptors in the invertebrates?

1979 • 33 citations

Serotonin participation in gut withdrawal from opiates.

1979 • 32 citations

Development of tolerance to opiates and opioid peptides in organotypic cultures of mouse spinal cord

1979 • 32 citations

Hypnotic analgesia in conditions of stress is partially reversed by naloxone

1979 • 31 citations

Effects of the synthetic enkephalin analogue FK 33-824 on pain threshold and pain tolerance in man

1979 • 31 citations

Regional distribution of enkephalin in bovine brain

1979 • 30 citations

Effects of β-endorphin and D-alanine2 enkephalinamide on urine production and urinary electrolytes in the rat

1979 • 30 citations

Morphine antinociception: Evidence for the release of endogenous substance(s)

1979 • 30 citations

Electroencephalographic and behavioral tolerance to and cross-tolerance between D-Ala2-methionine-enkephalinamide and morphine in the rat.

1979 • 30 citations

Morphine-Naloxone Interactions: A Role for Nonspecific Morphine Excitatory Effects in Withdrawal

1979 • 30 citations

Lack of effect by substance P at sites in the substantia gelatinosa where met-enkephalin reduces the transmission of nociceptive impulses

1979 • 29 citations

Morphine potentiation of tonic immobility: Effects of naloxone, PCPA, and 5,6-DHT

1979 • 29 citations

Metabolic, respiratory, vasomotor and body temperature responses to beta‐endorphin and morphine in rabbits.

1979 • 29 citations

Selective effects of enkephalin on electrical activity of the in Vitro hippocampal slice

1979 • 29 citations

Suppressant effects of naltrexone on water intake in rats

1979 • 28 citations

In vivo opiate binding unchanged in tolerant/dependent mice

1979 • 28 citations

Stereospecific effects of opiate antagonists on superficial and deep nociception and on motor activity suggest involvement of endorphins on different opioid receptors

1979 • 28 citations

The effect of naloxone on audiogenic seizures

1979 • 27 citations

Antinociceptive action following microinjection of methionine-enkephalin in the nucleus raphe magnus of the rat

1979 • 27 citations

Immunoreactive-β-endorphin, -adrenocorticotropin and -calcitonin in extracts of anaplastic or differentiated (rat) medullary thyroid carcinoma

1979 • 26 citations

Analgesia after peripheral administration of enkephalin and endorphin analogues

1979 • 26 citations

Failure or opiates to reverse dopamine inhibition of prolactin secretion in vitro

1979 • 26 citations

THE EFFECT OF INTRACEREBROVENTRICULAR ADMINISTRATION OF METHIONINE‐ENKEPHALIN ON THE STRESS‐INDUCED SECRETION OF CORTICOSTERONE IN MICE

1979 • 26 citations

Localization of leu-enkephalin in dense core vesicles of axon terminals

1979 • 26 citations

β-endorphin is a kidney trophic hormone

1979 • 26 citations

Naloxone fails to affect short-term memory in man

1979 • 26 citations

Naloxone effects on serum growth hormone and prolactin in man

1979 • 26 citations

ON THE DISTRIBUTION OF [MET⁵]‐ AND [LEU⁵]‐ENKEPHALINS IN THE BRAIN OF THE RAT, GUINEA‐PIG AND CALF

1979 • 25 citations

Cerebellar opiate receptors in lagomorphs. Demonstration, characterization and regional distribution

1979 • 25 citations

Failure of β-endorphin antiserum, naloxone, and naltrexone to alter physiologic growth hormone and insulin secretion

1979 • 24 citations

Possible non-narcotic component to action of opiate peptides on tonic immobility

1979 • 24 citations

Non-specific enhancement of ethanol-induced taste aversion by naloxone

1979 • 23 citations

Opiate-receptors in substantia nigra: Role in the regulation of striatal tyrosine hydroxylase activity

1979 • 22 citations

Cellular distribution of β-endorphin-like substance in the rat pituitary and brain

1979 • 22 citations

Effects of the neuropeptide DG-AVP on morphine and food self-administration by dependent rhesus monkey

1979 • 22 citations

Naltrexone Antagonism of Exploration in the Rat

1979 • 21 citations

β-endorphin administration increases hippocampal acetylcholine levels

1979 • 20 citations

Human EEG response to beta-endorphin

1979 • 20 citations

A pituitary endorphin with novel properties

1979 • 20 citations

Further studies on the enhanced affinity of opioid receptors for naloxone in morphine-dependent mice.

1979 • 19 citations

The effects of partial opiate agonists on plasma prolactin and growth hormone levels in the rat

1979 • 18 citations

Prior exposure to footshock induced naloxone hyperalgesia

1979 • 18 citations

Lack of effect of an opiate agonist and antagonist on the development of amygdala kindling in the rat.

1979 • 18 citations

Naloxone blockade of apomorphine-induced stereotyped behavior

1979 • 18 citations

Serotoninergic mechanisms of beta-endorphin-induced hypothermia in rats

1979 • 17 citations

The effects of peptides on the stimulus properties of ethanol

1980 • 17 citations

Experiments with a reported anorexigenic tripeptide: PyroGluHisGlyOH

1979 • 17 citations

Facilitation of opiate-and enkephalin-induced motor activity in the mouse by phenytoin sodium and carbamazepine

1979 • 17 citations

Relationships between the catecholaminergic and enkephalinergic systems demonstrated by a combined technique of formaldehyde-induced fluorescence and immunocytochemistry

1979 • 16 citations

Enkephalin-induced myoclonic twitches blocked by ergometrine and potentiated by haloperidol

1979 • 16 citations

Wet-dog shaking in the rat: Possible involvement of a kappa opiate receptor

1979 • 15 citations

Opiate receptors in the pigeon optic tectum

1979 • 14 citations

Immunoreactivity for ?-endorphin in LH-RH neurons of the fetal human hypothalamus

1979 • 14 citations

The distribution of opiate activity in the trout pituitary gland

1979 • 13 citations

Increased amphetamine potency following chronic naltrexone administration in rats

1979 • 13 citations

Regional analysis of brain opiate receptors in rats with hereditary hypothalamic diabetes insipidus

1979 • 13 citations

Antinociceptive activity of ?-ala2-?-leu5-enkephalin (BW 180C) in the rat after modification to central 5-hydroxytryptamine function

1979 • 12 citations

Effects of enkephalin analogue and naloxone on cat spinal cord dorsal root potentials

1979 • 12 citations

Met-enkephalin attenuates morphine tolerance in rats

1979 • 12 citations

Effect of melatonin and methionine-enkephalin on surfacing responses in goldfish

1979 • 12 citations

Perinatal naloxone: When does naloxone affect hyperalgesia?

1979 • 12 citations

Effects of naloxone on aversive trigeminal and thalamic stimulation, and on peripheral nociception: a hypothesis of selective action and variability in naloxone testing

1979 • 11 citations

Morphine like activity of some new met-enkephalin analogues

1979 • 11 citations

Effect of morphine, β-endorphin and leu-enkephalin on 3H-spiroperidol binding to bovine pituitary membranes

1979 • 10 citations

Presence of immunoreactive α-endorphin in rat pituitary gland

1979 • 8 citations

Enkephalin-dopamine interactions in behavioral arousal

1979 • 8 citations

Reactivity of ACTH and synthetic ACTH peptides with antisera to human calcitonin

1979 • 8 citations

Characterization of a plasma factor having opiate and immunoactivity like beta-endorphin

1979 • 7 citations

Response : Dual Mechanism Mediating Opiate Effects?

1979 • 7 citations

Dual Mechanism Mediating Opiate Effects?

1979 • 6 citations

Effects of endorphins and their analogues on prolactin and growth hormone secretion

1979 • 6 citations

Dopamine-mediated behavior produced by the enkephalin analogue FK 33-824

1979 • 6 citations

Potentiation by naloxone of reflex activity in the isolated spinal cord of Xenopus

1979 • 5 citations

Chronic naltrexone administration reverses the suppressive effect of crowding on body weight gain in rats

1979 • 5 citations

Potencies of normorphine and met-enkephalin in the vas deferens of different strains of mice

1979 • 5 citations

Naloxone and shock-elicited freezing in the rat

1980 • 4 citations

Effects of intraventricular beta-endorphin on GABA system in some areas of chick brain.

1979 • 4 citations

Changes induced by dMet2-pro5-enkephalinamide in plasma insulin response to glucose in the rat

1979 • 4 citations

Naloxone antagonism of phenoxybenzamine antinociception in the mouse tail stimulation test

1979 • 3 citations

Prospects for the evaluation of endorphins as psychotropic agents.

1979 • 3 citations

Naloxone antagonism of electrical stimulation induced tail erection in mice

1979 • 1 citations

Radioimmunoassay systems for enkephalins.

1979 • 1 citations