Changes in Photoperiod Alter the Daily Rhythms of Pineal Melatonin Content and Hypothalamicβ-Endorphin Content and the Luteinizing Hormone Response to Naloxone in the Male Syrian Hamster*

Isolated removal of hypothalamic or other brain nuclei of the rat

1973 • 1,421 citations

Iodination of proteins, glycoproteins, and peptides using a solid-phase oxidizing agent, 1,3,4,6-tetrachloro-3α,6α-diphenyl glycoluril (Iodogen)

1981 • 1,135 citations

Relation of endogenous opioid peptides and morphine to neuroendocrine functions

1979 • 433 citations

Pineal Melatonin Secretion Drives the Reproductive Response to Daylength in the Ewe*

1983 • 347 citations

The influence of photoperiod and melatonin on testis size, body weight, and pelage colour in the Djungarian hamster (Phodopus sungorus)

1973 • 323 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

Photoperiodic Regulation of Neuroendocrine-Gonadal Activity

1979 • 227 citations

Circulating LH and FSH Levels and Testicular Function in Hamsters During Light Deprivation and Subsequent Photoperiodic Stimulation¹

1974 • 220 citations

Serum Profiles of Follicle-Stimulating Hormone, Luteinizing Hormone and Prolactin During the Estrous Cycle of the Hamster¹

1974 • 181 citations

Alterations in the Control of Luteinizing Hormone Pulse Frequency Underlie the Seasonal Variation in Estradiol Negative Feedback in the Ewe1

1982 • 177 citations

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

1979 • 168 citations

Effects of Exogenous β_h-Endorphin on Pituitary Hormone Secretionand Its Disappearance Rate in Normal Human Subjects*

1981 • 165 citations

Regulation of Pineal Melatonin in the Syrian Hamster

1979 • 165 citations

Photoperiodic Control of Seasonal Breeding in Ewes: Modulation of the Negative Feedback Action of Estradiol12

1980 • 156 citations

Adjustment of Pineal Melatonin and N-Acetyltransferase Rhythms to Change from Long to Short Photoperiod in the Djungarian Hamster <i>Phodopus sungorus</i>

1984 • 138 citations

Melatonin Induction of Gonadal Quiescence in Pinealectomized Syrian Hamsters

1977 • 131 citations

Quantification of Daily Melatonin Synthesis in the Hamster Pineal Gland*

1980 • 120 citations

THE NEUROENDOCRINOLOGY OF OPIOID PEPTIDES

1983 • 116 citations

Effecr of light and temperature on the endocrine system of the golden hamster Mesocricetus auratus waterhouse)

1965 • 98 citations

Evidence for a Brain Site of Melatonin Action in the White-Footed Mouse, <i>Peromyscus leucopus</i>

1982 • 98 citations

The inhibitory effect of opiates on gonadotrophin secretion is dependent upon gonadal steroids

1984 • 91 citations

Testicular involution in short photoperiods inhibited by melatonin

1974 • 89 citations

EFFECTS OF PHOTOPERIOD ON HYPOTHALAMIC LUTEINIZING HORMONE RELEASING HORMONE IN THE MALE HAMSTER

1979 • 85 citations

Alterations in Neuroendocrine Function During Photoperiod Induced Testicular Atrophy and Recrudescence in the Golden Hamster1

1982 • 84 citations

OPIOID REGULATION OF PROLACTIN SECRETION: EVIDENCE FOR A SPECIFIC ROLE OF β-ENDORPHIN

1981 • 75 citations

Neurotoxic Lesions of the Anterior Hypothalamus Disrupt the Photoperiodic But Not the Circadian System of the Syrian Hamster

1985 • 73 citations

Time Course of the Photoperiod-Induced Change in Sensitivity of the Hypothalamic-Pituitary Axis to Testosterone Feedback in Castrated Male Hamsters*

1979 • 73 citations

Morphine exerts testosterone-like effects in the hypothalamus of the castrated male rat

1980 • 70 citations

Diurnal Fluctuations in Methionine-Enkephalin Levels in the Hypothalamus and Preoptic Area of the Male Rat: Effects of Pinealectomy

1982 • 67 citations

A rapid high-performance liquid chromatography purification method of lodinated polypeptide hormones

1980 • 66 citations

Naloxone-induced increases in serum luteinizing hormone in the male: mechanisms of action.

1980 • 59 citations

Pineal Melatonin Content in Male Hamsters throughout the Seasonal Reproductive Cycle

1980 • 58 citations

Thyroxine induces photorefractoriness and stimulates prolactin secretion in European starlings (Sturnus vulgaris).

1984 • 56 citations

Interactions of Pinealectomy and Short-Photoperiod Exposure on the Neuroendocrine Axis of the Male Syrian Hamster

1984 • 55 citations

Circadian variations in β-endorphin concentrations in pituitary and in some brain nuclei of the adult male rat

1983 • 52 citations

The Effects of Pineal Indoles Given Late in the Light Period on Reproductive Organs and Pituitary Prolactin Levels in Male Golden Hamsters

1977 • 48 citations

24-hour variation in content and release of hypothalamic neuropeptides in the rat

1983 • 36 citations

Alterations in Hypothalamic Content of Luteinizing Hormone-Releasing Hormone Associated with Pineal-Mediated Testicular Regression in the Golden Hamster 1

1984 • 36 citations

Characterization of β-endorphin immunoreactive peptides in rat pituitary and brain by coupled gel and reversed-phase high-performance liquid chromatography

1983 • 28 citations

Influence of Variation in Length of Day upon the Breeding Season in Sheep

1947 • 23 citations

Short-Day Exposure Eliminates the LH Response to Naloxone in Golden Hamsters

1984 • 20 citations

Socio‐sexual behaviours in rats after neonatal and adult β‐endorphin treatment

1982 • 8 citations

Pineal influences hypothalamic Gn-RH content in the vole, Microtus agrestis

1983 • 8 citations