Literature DB >> 7193599

Daily melatonin injections inhibit short-day-induced testicular regression in hamsters.

F W Turek, P Pappas.   

Abstract

Daily injections of melatonin were found to retard testicular regression in hamsters exposed to LD 10:14, if the injections occurred in the morning (i.e., 0.5 h after lights on), but not if they occurred in the afternoon (i.e., 6 h after lights on). These results indicate that appropriately times injections of melatonin can at least partially block the inhibitory effects of short days on gonadal activity in the photoperiodic hamster.

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Year:  1980        PMID： 7193599     DOI： 10.1007/bf01960141

Source DB:  PubMed          Journal:  Experientia        ISSN： 0014-4754


  8 in total

1.  Effect of melatonin on the reproductive systems of male and female Syrian hamsters: a diurnal rhythm in sensitivity to melatonin.

Authors:  L Tamarkin; W K Westrom; A I Hamill; B D Goldman
Journal:  Endocrinology       Date:  1976-12       Impact factor: 4.736

2.  Effects of melatonin on the reproductive system in intact and pinealectomized male hamster maintained under various photoperiods.

Authors:  B Goldman; V Hall; C Hollister; P Roychoudhury; L Tamarkin; W Westrom
Journal:  Endocrinology       Date:  1979-01       Impact factor: 4.736

3.  Hamster refractoriness: the role of insensitivity of pineal target tissues.

Authors:  E L Bittman
Journal:  Science       Date:  1978-11-10       Impact factor: 47.728

4.  Melatonin inhibition of reproduction in the male hamster: its dependency on time of day of administration and on an intact and sympathetically innervated pineal gland.

Authors:  R J Reiter; D E Blask; L Y Johnson; P K Rudeen; M K Vaughan; P J Waring
Journal:  Neuroendocrinology       Date:  1976       Impact factor: 4.914

5.  Antigonadal effect of melatonin in pinealectomized and intact male hamsters.

Authors:  F W Turek
Journal:  Proc Soc Exp Biol Med       Date:  1977-05

6.  Melatonin-induced testicular growth in golden hamsters maintained on short days.

Authors:  F W Turek; S H Losee
Journal:  Biol Reprod       Date:  1978-03       Impact factor: 4.285

7.  Effect of melatonin on photic-independent and photic-dependent testicular growth in juvenile and adult male golden hamsters.

Authors:  F W Turek
Journal:  Biol Reprod       Date:  1979-06       Impact factor: 4.285

8.  Prevention by melatonin of short day induced atrophy of the reproductive systems of male and female hamsters.

Authors:  R J Reiter; M K Vaughan; P J Waring
Journal:  Acta Endocrinol (Copenh)       Date:  1977-02
  8 in total
  6 in total

1.  Role of light in the mediation of acute effects of a single afternoon melatonin injection on steroidogenic activity of testis in the rat.

Authors:  S K Maitra; A K Ray
Journal:  J Biosci       Date:  2000-09       Impact factor: 1.826

2.  Rhythmic synthesis of various 5-methoxyindoles in the pineal gland of male adult golden hamsters, kept under the same artificial conditions throughout the year.

Authors:  J van Benthem; D R Mans; I Ebels; M G Balemans
Journal:  J Neural Transm       Date:  1985       Impact factor: 3.575

3.  Daily 5-methoxytryptamine injections inhibit short-day-induced testicular atrophy in golden hamsters.

Authors:  P Pévet; C Haldar-Misra
Journal:  J Neural Transm       Date:  1982       Impact factor: 3.575

4.  Melatonin's inhibition of pituitary, adrenal, testicular and accessory gland growth in male golden hamsters: pineal dependence and organ differences with shielding and intracranial surgery.

Authors:  W B Quay; A F Payer; T A Parkening; T K Banerji; T J Collins
Journal:  J Neural Transm       Date:  1982       Impact factor: 3.575

5.  Day/night rhythmicity in the methylating capacities for different 5-hydroxyindoles in the pineal, the retina and the Harderian gland of the golden hamster (Mesocricetus auratus) during the annual seasons.

Authors:  M G Balemans; P Pévet; J van Benthem; C Haldar-Misra; I Smith; H Hendriks
Journal:  J Neural Transm       Date:  1983       Impact factor: 3.575

6.  Daily and seasonal rhythmicity in the methylation of pineal indolic compounds in adult male golden hamsters, kept under natural conditions.

Authors:  J V Benthem; D R Mans; C Haldar-Misra; I Ebels; M G Balemans
Journal:  J Neural Transm       Date:  1985       Impact factor: 3.575
  6 in total

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