Effect of different photoperiods on the diurnal rhythm of 5-methoxytryptamine in the pineal gland of golden hamsters (Mesocricetus auratus)
Journal of Neural Transmission, ISSN: 0300-9564, Vol: 83, Issue: 3, Page: 235-242
1991
- 15Citations
- 8Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations15
- Citation Indexes15
- 15
- CrossRef14
- Captures8
- Readers8
Article Description
This study tested the photo-dependency of the rhythmic synthesis of 5-methoxytryptamine (5-MT) in the pineal gland of golden hamsters. After pargyline administration, pineal 5-methoxytryptamine and melatonin were measured by HPLC in male golden hamsters kept under short and long photoperiod. In both photoperiodic regimes, a clear 5-MT rhythm was observed which fitted a sinusoidal function with high values occuring during the day-time and low values occuring during the night-time. The duration of the low nighttime levels was clearly proportional to the length of the dark phase. A marked rhythm of melatonin synthesis was also seen with low daytime levels and high night-time values. An inverse relationship between 5-MT and melatonin levels was observed. Thus, after pargyline administration, the rhythms of 5-MT and melatonin in the pineal gland of golden hamsters are photoperiod-dependent and show a reciprocal relationship. © 1991 Springer-Verlag.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0025970920&origin=inward; http://dx.doi.org/10.1007/bf01253393; http://www.ncbi.nlm.nih.gov/pubmed/2031712; http://link.springer.com/10.1007/BF01253393; http://www.springerlink.com/index/pdf/10.1007/BF01253393; https://dx.doi.org/10.1007/bf01253393; https://link.springer.com/article/10.1007/BF01253393; http://www.springerlink.com/index/10.1007/BF01253393
Springer Science and Business Media LLC
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