Individual light history matters to deal with the Antarctic summer

Castillo Stratta, Julieta - Tonon, André C - Hidalgo, María Paz - Ana Celia, Silva Barbato - Tassino, Bettina

Resumen:

The efect of light, main zeitgeber of the circadian system, depends on the time of day it is received. A brief trip to the Antarctic summer (ANT) allowed us to explore the impact of a sudden and synchronized increase in light exposure on activity-rest rhythms and sleep patterns of 11 Uruguayan university students, and to assess the signifcance of light history in determining individual circadian phase shift. Measurements collected in the peri-equinox in Montevideo, Uruguay (baseline situation, MVD) and in ANT, included sleep logs, actigraphy, and salivary melatonin to determine dim-light melatonin onset (DLMO), the most reliable marker of circadian phase. The increase in light exposure in ANT with respect to MVD (afecting both light-sensitive windows with opposite efects on the circadian phase) resulted in no net change in DLMO among participants as some participants advanced their DLMO and some others delayed it. The ultimate cause of each participant’s distinctive circadian phase shift relied on the unique change in light exposure each individual was subjected to between their MVD and ANT. This study shows an association between the individual light history and the circadian phase shift.


Detalles Bibliográficos
2023
CSIC: I+D_2016_623
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/43165
Acceso abierto
Licencia Creative Commons Atribución (CC - By 4.0)
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author Castillo Stratta, Julieta
author2 Tonon, André C
Hidalgo, María Paz
Ana Celia, Silva Barbato
Tassino, Bettina
author2_role author
author
author
author
author_facet Castillo Stratta, Julieta
Tonon, André C
Hidalgo, María Paz
Ana Celia, Silva Barbato
Tassino, Bettina
author_role author
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collection COLIBRI
dc.contributor.filiacion.none.fl_str_mv Castillo Stratta Julieta, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.
Tonon André C
Hidalgo María Paz
Ana Celia Silva Barbato, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.
Tassino Bettina, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.
dc.creator.none.fl_str_mv Castillo Stratta, Julieta
Tonon, André C
Hidalgo, María Paz
Ana Celia, Silva Barbato
Tassino, Bettina
dc.date.accessioned.none.fl_str_mv 2024-03-19T12:13:48Z
dc.date.available.none.fl_str_mv 2024-03-19T12:13:48Z
dc.date.issued.none.fl_str_mv 2023
dc.description.abstract.none.fl_txt_mv The efect of light, main zeitgeber of the circadian system, depends on the time of day it is received. A brief trip to the Antarctic summer (ANT) allowed us to explore the impact of a sudden and synchronized increase in light exposure on activity-rest rhythms and sleep patterns of 11 Uruguayan university students, and to assess the signifcance of light history in determining individual circadian phase shift. Measurements collected in the peri-equinox in Montevideo, Uruguay (baseline situation, MVD) and in ANT, included sleep logs, actigraphy, and salivary melatonin to determine dim-light melatonin onset (DLMO), the most reliable marker of circadian phase. The increase in light exposure in ANT with respect to MVD (afecting both light-sensitive windows with opposite efects on the circadian phase) resulted in no net change in DLMO among participants as some participants advanced their DLMO and some others delayed it. The ultimate cause of each participant’s distinctive circadian phase shift relied on the unique change in light exposure each individual was subjected to between their MVD and ANT. This study shows an association between the individual light history and the circadian phase shift.
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dc.identifier.citation.es.fl_str_mv Castillo Stratta, J, Tonon, A, Hidalgo, M [y otros autores]. "Individual light history matters to deal with the Antarctic summer". Scientific Reports. [en línea] 2023, 13: 12081. 13 h. DOI: 10.1038/s41598-023-39315-y.
dc.identifier.doi.none.fl_str_mv 10.1038/s41598-023-39315-y
dc.identifier.issn.none.fl_str_mv 2045-2322
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/43165
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.es.fl_str_mv Nature
dc.relation.ispartof.es.fl_str_mv Scientific Reports, 2023, 13: 12081.
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución (CC - By 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.title.none.fl_str_mv Individual light history matters to deal with the Antarctic summer
dc.type.es.fl_str_mv Artículo
dc.type.none.fl_str_mv info:eu-repo/semantics/article
dc.type.version.none.fl_str_mv info:eu-repo/semantics/publishedVersion
description The efect of light, main zeitgeber of the circadian system, depends on the time of day it is received. A brief trip to the Antarctic summer (ANT) allowed us to explore the impact of a sudden and synchronized increase in light exposure on activity-rest rhythms and sleep patterns of 11 Uruguayan university students, and to assess the signifcance of light history in determining individual circadian phase shift. Measurements collected in the peri-equinox in Montevideo, Uruguay (baseline situation, MVD) and in ANT, included sleep logs, actigraphy, and salivary melatonin to determine dim-light melatonin onset (DLMO), the most reliable marker of circadian phase. The increase in light exposure in ANT with respect to MVD (afecting both light-sensitive windows with opposite efects on the circadian phase) resulted in no net change in DLMO among participants as some participants advanced their DLMO and some others delayed it. The ultimate cause of each participant’s distinctive circadian phase shift relied on the unique change in light exposure each individual was subjected to between their MVD and ANT. This study shows an association between the individual light history and the circadian phase shift.
eu_rights_str_mv openAccess
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identifier_str_mv Castillo Stratta, J, Tonon, A, Hidalgo, M [y otros autores]. "Individual light history matters to deal with the Antarctic summer". Scientific Reports. [en línea] 2023, 13: 12081. 13 h. DOI: 10.1038/s41598-023-39315-y.
2045-2322
10.1038/s41598-023-39315-y
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language eng
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publishDate 2023
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repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
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rights_invalid_str_mv Licencia Creative Commons Atribución (CC - By 4.0)
spelling Castillo Stratta Julieta, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.Tonon André CHidalgo María PazAna Celia Silva Barbato, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.Tassino Bettina, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.2024-03-19T12:13:48Z2024-03-19T12:13:48Z2023Castillo Stratta, J, Tonon, A, Hidalgo, M [y otros autores]. "Individual light history matters to deal with the Antarctic summer". Scientific Reports. [en línea] 2023, 13: 12081. 13 h. DOI: 10.1038/s41598-023-39315-y.2045-2322https://hdl.handle.net/20.500.12008/4316510.1038/s41598-023-39315-yThe efect of light, main zeitgeber of the circadian system, depends on the time of day it is received. A brief trip to the Antarctic summer (ANT) allowed us to explore the impact of a sudden and synchronized increase in light exposure on activity-rest rhythms and sleep patterns of 11 Uruguayan university students, and to assess the signifcance of light history in determining individual circadian phase shift. Measurements collected in the peri-equinox in Montevideo, Uruguay (baseline situation, MVD) and in ANT, included sleep logs, actigraphy, and salivary melatonin to determine dim-light melatonin onset (DLMO), the most reliable marker of circadian phase. The increase in light exposure in ANT with respect to MVD (afecting both light-sensitive windows with opposite efects on the circadian phase) resulted in no net change in DLMO among participants as some participants advanced their DLMO and some others delayed it. The ultimate cause of each participant’s distinctive circadian phase shift relied on the unique change in light exposure each individual was subjected to between their MVD and ANT. This study shows an association between the individual light history and the circadian phase shift.Submitted by Pintos Natalia (nataliapintosmvd@gmail.com) on 2024-03-15T19:54:51Z No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.1038.s41598-023-39315-y.pdf: 1722677 bytes, checksum: bb1cf1ab67a7dd100e89ad1e48027112 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2024-03-19T12:10:11Z (GMT) No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.1038.s41598-023-39315-y.pdf: 1722677 bytes, checksum: bb1cf1ab67a7dd100e89ad1e48027112 (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@seciu.edu.uy) on 2024-03-19T12:13:48Z (GMT). No. of bitstreams: 2 license_rdf: 24251 bytes, checksum: 71ed42ef0a0b648670f707320be37b90 (MD5) 10.1038.s41598-023-39315-y.pdf: 1722677 bytes, checksum: bb1cf1ab67a7dd100e89ad1e48027112 (MD5) Previous issue date: 2023CSIC: I+D_2016_62313 h.application/pdfenengNatureScientific Reports, 2023, 13: 12081.Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. 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spellingShingle Individual light history matters to deal with the Antarctic summer
Castillo Stratta, Julieta
status_str publishedVersion
title Individual light history matters to deal with the Antarctic summer
title_full Individual light history matters to deal with the Antarctic summer
title_fullStr Individual light history matters to deal with the Antarctic summer
title_full_unstemmed Individual light history matters to deal with the Antarctic summer
title_short Individual light history matters to deal with the Antarctic summer
title_sort Individual light history matters to deal with the Antarctic summer
url https://hdl.handle.net/20.500.12008/43165