Publication Date:
2005-04-23
Description:
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.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3764501/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉 〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3764501/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉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 -- AG11412/AG/NIA NIH HHS/ -- AG18200/AG/NIA NIH HHS/ -- DK02675/DK/NIDDK NIH HHS/ -- DK26356/DK/NIDDK NIH HHS/ -- HL59598/HL/NHLBI NIH HHS/ -- HL75029/HL/NHLBI NIH HHS/ -- K08 DK002675/DK/NIDDK NIH HHS/ -- P01 AG011412/AG/NIA NIH HHS/ -- R01 AG018200/AG/NIA NIH HHS/ -- R01 DK026356/DK/NIDDK NIH HHS/ -- R01 HL059598/HL/NHLBI NIH HHS/ -- R01 HL075029/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2005 May 13;308(5724):1043-5. Epub 2005 Apr 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Northwestern University, Evanston, IL 60208, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845877" target="_blank"〉PubMed〈/a〉
Keywords:
Adipocytes/pathology
;
Animals
;
Body Weight
;
Brain/metabolism
;
CLOCK Proteins
;
*Circadian Rhythm
;
Dietary Fats/administration & dosage
;
Energy Intake
;
*Energy Metabolism
;
*Feeding Behavior
;
Hepatocytes/pathology
;
Hyperglycemia
;
Hyperlipidemias
;
Insulin/blood
;
Leptin/blood
;
Metabolic Syndrome X/genetics/*physiopathology
;
Mice
;
Mice, Inbred C57BL
;
Motor Activity
;
Mutation
;
Neuropeptides/genetics/metabolism
;
Obesity/genetics/*physiopathology
;
Trans-Activators/*genetics/*physiology
;
Weight Gain
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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