Obesity and metabolic syndrome in circadian Clock mutant nice

Fred W. Turek, Corinne Joshu, Akira Kohsaka, Emily Lin, Ganka Ivanova, Erin McDearmon, Aaron Laposky, Sue Losee-Olson, Amy Easton, Dalan R. Jensen, Robert H. Eckel, Joseph S. Takahashi, Joseph Bass

Research output: Contribution to journalArticle

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Abstract

The CLOCK transcription factor is a key component of the molecular circadian clock within pacemaker neurons of the hypothalamic suprachiasmatic nucleus. We found that homozygous Clock mutant mice have a greatly attenuated diurnal feeding rhythm, are hyperphagic and obese, and develop a metabolic syndrome of hyperleptinemia, hyperlipidemia, hepatic steatosis, hyperglycemia, and hypoinsulinemia. Expression of transcripts encoding selected hypothalamic peptides associated with energy balance was attenuated in the Clock mutant mice. These results suggest that the circadian clock gene network plays an important role in mammalian energy balance.

Original languageEnglish (US)
Pages (from-to)1043-1045
Number of pages3
JournalScience
Volume308
Issue number5724
DOIs
StatePublished - May 13 2005

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Circadian Clocks
Obesity
Suprachiasmatic Nucleus
Gene Regulatory Networks
Circadian Rhythm
Hyperlipidemias
Hyperglycemia
Transcription Factors
Neurons
Peptides
Liver

ASJC Scopus subject areas

  • General

Cite this

Turek, F. W., Joshu, C., Kohsaka, A., Lin, E., Ivanova, G., McDearmon, E., ... Bass, J. (2005). Obesity and metabolic syndrome in circadian Clock mutant nice. Science, 308(5724), 1043-1045. https://doi.org/10.1126/science.1108750

Obesity and metabolic syndrome in circadian Clock mutant nice. / Turek, Fred W.; Joshu, Corinne; Kohsaka, Akira; Lin, Emily; Ivanova, Ganka; McDearmon, Erin; Laposky, Aaron; Losee-Olson, Sue; Easton, Amy; Jensen, Dalan R.; Eckel, Robert H.; Takahashi, Joseph S.; Bass, Joseph.

In: Science, Vol. 308, No. 5724, 13.05.2005, p. 1043-1045.

Research output: Contribution to journalArticle

Turek, FW, Joshu, C, Kohsaka, A, Lin, E, Ivanova, G, McDearmon, E, Laposky, A, Losee-Olson, S, Easton, A, Jensen, DR, Eckel, RH, Takahashi, JS & Bass, J 2005, 'Obesity and metabolic syndrome in circadian Clock mutant nice', Science, vol. 308, no. 5724, pp. 1043-1045. https://doi.org/10.1126/science.1108750
Turek FW, Joshu C, Kohsaka A, Lin E, Ivanova G, McDearmon E et al. Obesity and metabolic syndrome in circadian Clock mutant nice. Science. 2005 May 13;308(5724):1043-1045. https://doi.org/10.1126/science.1108750
Turek, Fred W. ; Joshu, Corinne ; Kohsaka, Akira ; Lin, Emily ; Ivanova, Ganka ; McDearmon, Erin ; Laposky, Aaron ; Losee-Olson, Sue ; Easton, Amy ; Jensen, Dalan R. ; Eckel, Robert H. ; Takahashi, Joseph S. ; Bass, Joseph. / Obesity and metabolic syndrome in circadian Clock mutant nice. In: Science. 2005 ; Vol. 308, No. 5724. pp. 1043-1045.
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