AJP - Regu Add DOIs to your references at manuscript stage!
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Am J Physiol Regul Integr Comp Physiol 278: R201-R208, 2000;
0363-6119/00 $5.00
This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in Web of Science
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Web of Science (9)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Canal-Corretger, M. M.
Right arrow Articles by Díez-Noguera, A.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Canal-Corretger, M. M.
Right arrow Articles by Díez-Noguera, A.
Vol. 278, Issue 1, R201-R208, January 2000

Bright light during lactation alters the functioning of the circadian system of adult rats

M. M. Canal-Corretger, T. Cambras, J. Vilaplana, and A. Díez-Noguera

Departament de Fisiologia-Divisió IV, Facultat de Farmàcia, Universitat de Barcelona, 08028 Barcelona, Spain

To examine the role of light in the maturation of the circadian pacemaker, twelve groups of rats were raised in different conditions of exposure to constant bright light (LL) during lactation: both duration and timing of LL were varied. We studied the motor activity rhythm of the rats after weaning, first under LL and then under constant darkness (DD). In DD, two light pulses [at circadian time 15 (CT15) and CT22] were applied to test the response of the pacemaker. Greater exposure to LL days during lactation increased the number of rhythmic animals and the amplitude of their motor activity rhythm in the LL stage and decreased the phase delay due to the light pulse at CT15. The timing of LL during lactation affected these variables too. Because the response of the adult to light depended on both the number and timing of LL days during lactation, the exposure to light at early stages may influence the development of the circadian system by modifying it structurally or functionally.

development; motor activity


This article has been cited by other articles:


Home page
 J Biol RhythmsHome page
A.T.L. Hughes and H.D. Piggins
Behavioral Responses of Vipr2-/- Mice to Light
J Biol Rhythms, June 1, 2008; 23(3): 211 - 219.
[Abstract] [PDF]

Home page
 J Biol RhythmsHome page
T. Yoshikawa, S. Yamazaki, and M. Menaker
Effects of Preparation Time on Phase of Cultured Tissues Reveal Complexity of Circadian Organization
J Biol Rhythms, December 1, 2005; 20(6): 500 - 512.
[Abstract] [PDF]

Home page
 Am. J. Physiol. Regul. Integr. Comp. Physiol.Home page
M. M. Canal-Corretger, J. Vilaplana, T. Cambras, and A. Diez-Noguera
Functioning of the rat circadian system is modified by light applied in critical postnatal days
Am J Physiol Regulatory Integrative Comp Physiol, April 1, 2001; 280(4): R1023 - R1030.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Visit Other APS Journals Online