Presence of vasopressin, oxytocin and neurophysin in the retina of mammals, effect of light and darkness, comparison with the neuropeptide content of the neurohypophysis and the pineal gland

@article{Gauquelin1983PresenceOV,
  title={Presence of vasopressin, oxytocin and neurophysin in the retina of mammals, effect of light and darkness, comparison with the neuropeptide content of the neurohypophysis and the pineal gland},
  author={G. Gauquelin and G. Geelen and F. Louis and A. Allevard and C. Meunier and G. Cuisinaud and S. Benjanet and N. Seidah and M. Chr{\'e}tien and J. Legros and C. Gharib},
  journal={Peptides},
  year={1983},
  volume={4},
  pages={509-515}
}
Arginine vasopressin (AVP) and oxytocin (OT) as well as their CNS carrier neurophysins (Np) have been found in the pineal gland. In view of the analogy between the pineal gland and the retina, the contents of these neuropeptides in rat, human and bovine retinae were determined. AVP, OT and Np were detected by specific radioimmunoassay (RIA) and their presence confirmed by RIA measurements (1) in rat and human retinae on HPLC fractions and (2) by the detection of the C-terminal portion of the… Expand
A day/night rhythm of vasopressin and oxytocin in rat retina, pineal and harderian gland
TLDR
Day/night rhythms of AVP, OT and NpT were demonstrated in the retina and HG; but the pineal gland had only AVP rhythm. Expand
Immunohistochemical localization of oxytocin and vasopressin in the adrenal glands of rat, cow, hamster and guinea pig
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Endogenous arginine vasopressin–positive retinal cells in arginine vasopressin–eGFP transgenic rats identified by immunohistochemistry and reverse transcriptase–polymerase chain reaction
TLDR
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Neurohypophyseal Vasopressin in the Syrian Hamster: Response to Short Photoperiod, Pinealectomy, Melatonin Treatment, or Osmotic Stimulation
TLDR
The data from the present study show that, in male Syrian hamsters, exposure of animals to SD increases the vasopressin content in the posterior pituitary, but these changes appear not to be mediated by SD-induced changes in melatonin secretion. Expand
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TLDR
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TLDR
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TLDR
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The Influence of Melatonin on the Content of Vasopressin and Oxytocin in the Hypothalamus and Neurohypophysis in Euhydrated and Dehydrated Male Rats
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References

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Presence of neurophysins I and II in the human pineal gland: Comparison with the content of neurohypophyseal hormones
TLDR
The results imply, however, that the presence of immunoreactive AVT (more probably a closely related peptide) is independent of the neurophysins, and further indicates that they are related to AVP and OT concentrations in the same gland. Expand
Radioimmunoassay of arginine vasopressin, oxytocin and arginine vasotocin-like material in the human pineal gland
TLDR
The presence of AVP and OT is not surprising, and indications of an immunoreactive AVT may in fact reflect a peptide which is closely related to AVT and cross-reacts in the AVT RIA. Expand
BIOSYNTHESIS OF POSTERIOR PITUITARY HORMONES
Publisher Summary This chapter focuses on the biosynthesis of posterior pituitary hormones. Vasopressin (VP), oxytocin (OT), and their “carrier proteins” the neurophysins are synthesized in largeExpand
Melatonin- and serotonin-stimulated release of vasopressin from rat neurohypophysis in vitro
TLDR
Melatonin and serotonin can have a direct stimulatory effect on vasopressin release at the neurohypophyseal level after in vivo treatment with nialamide, a monoamine oxidase inhibitor. Expand
Immunohistochemical localization of human pituitary glycopeptide (HPGP)-like immunoreactivity in the hypothalamus and pituitary of normal and homozygous diabetes insipidus (Brattleboro) rats.
TLDR
The present data strongly support the previous hypothesis that HPGP, a 39 residue glycopeptide isolated from human neurohypophysis, may be part of the precursor of arginine-vasopressin and its neurophysin II (Pro-NP-AVP). Expand
The carboxy terminus of the precursor to vasopressin and neurophysin: immunocytochemistry in rat brain.
TLDR
Investigation of the distribution of a pituitary glycopeptide in the rat central nervous system indicates that the peptide is synthesized with vasopressin. Expand
Measurement of nonapeptides in pineal and pituitary using reversed-phase, ion-pair liquid chromatography with post-column detection by radioimmunoassay.
TLDR
A system of reversed-phase, ion-pair high performance liquid chromatography (HPLC) fractionation coupled to post-column radioimmunoassay (RIA) allows the simultaneous, specific measurement of AVT, arginine vasopressin (AVP) and oxytocin (OXT) in biological samples and suggests that AVT is probably not present in the mammalian pineal. Expand
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TLDR
Somatostatin-like activity, as determined by radioimmunoassay and bioassay, is present in HCl extracts of rat retina and Retinas from a group of rats with hereditary degeneration of the photoreceptor cells and another group of Rats studied 1 year after transection of the optic nerves demonstrated an increased concentration of immunoreactive somatostasin compared to controls. Expand
Somatostatin-like immunoreactive material in the rabbit retina
TLDR
The rabbit retina is suitable for in vitro studies of the central nervous system function of the somatostatin family of peptides because it contains readily detectable amounts of material chemically similar to som atostatin-14 and somatstatin-28. Expand
Neurotensin-like and somatostatin-like immunoreactivity within amacrine cells of the retina
TLDR
Radioimmunoassays utilizing well-characterized antisera to neurotensin and somatostatin demonstrate specific neuropeptides within selected populations of retinal amacrine cells in acetic acid extracts of the retina. Expand
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