Deficient of a Clock Gene, Brain and Muscle Arnt-Like Protein-1 (BMAL1), Induces Dyslipidemia and Ectopic Fat Formation Characteristics of Fat Metabolism in Bmal1 KO Mice
2011

BMAL1 Gene Deficiency Causes Metabolic Issues in Mice

Sample size: 6 publication Evidence: high

Author Information

Author(s): Shimba Shigeki, Ogawa Tomohiro, Hitosugi Shunsuke, Ichihashi Yuya, Nakadaira Yuki, Kobayashi Munehiro, Tezuka Masakatsu, Kosuge Yasuhiro, Ishige Kumiko, Ito Yoshihisa, Komiyama Kazuo, Okamatsu-Ogura Yuko, Kimura Kazuhiro, Saito Masayuki

Primary Institution: Nihon University, Funabashi, Chiba, Japan

Hypothesis

Does the loss of BMAL1 function induce metabolic syndrome?

Conclusion

Loss of BMAL1 function leads to dyslipidemia and ectopic fat formation, contributing to metabolic syndrome.

Supporting Evidence

  • Bmal1-deficient mice showed increased levels of circulating fatty acids.
  • Ectopic fat accumulation was observed in the liver and skeletal muscle of Bmal1 -/- mice.
  • The study found that BMAL1 is crucial for energy homeostasis.

Takeaway

Mice without the BMAL1 gene have trouble using fat for energy, which makes them gain fat in the wrong places and can lead to health problems.

Methodology

The study involved generating Bmal1-deficient mice and analyzing their metabolic responses to high-fat diets.

Participant Demographics

Mice were used as the model organism.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025231

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