Endocrine system and metabolic diseases articles within Nature

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  • News & Views |

    With the spread of fast-food outlets and more sedentary lifestyles, the prevalence of diabetes in India is rising alarmingly. But the subpopulations at risk and the symptoms of the disease differ from those in the West.

    • Jared Diamond

  • Article |

    β-adrenergic receptor signalling in adipocytes stimulates energy expenditure via cAMP-dependent increases in lipolysis and fatty-acid oxidation, and this signalling mechanism is thought to be disrupted in obesity. Here, the cAMP-responsive CREB coactivator Crtc3 is shown to promote obesity in mice by attenuating β adrenergic receptor signalling in adipose tissue.

    • Youngsup Song
    • , Judith Altarejos
    •  & Marc Montminy

  • Article |

    PPARγ ligands are used to control diabetes, but their anti-diabetic actions are puzzling. Here the authors show that phosphorylation of PPARγ by cyclin-dependent kinase 5 (Cdk5) in mice is linked to obesity induced by high-fat feeding, and that inhibition of the effect in humans by the drug rosiglitazone is closely associated with its anti-diabetic effects. Several anti-diabetic PPARγ ligands directly inhibit the effect, and thus support a more normal non-diabetic pattern of gene expression.

    • Jang Hyun Choi
    • , Alexander S. Banks
    •  & Bruce M. Spiegelman

  • Editorial |

    The controversy surrounding diabetes drugs highlights the importance of comparative studies.

  • News & Views |

    Antidiabetic drugs that activate the protein PPARγ had a bright start but soon lost their appeal because of undesirable side effects. Subtle modifications may once again make them suitable for treating diabetes.

    • Riekelt H. Houtkooper
    •  & Johan Auwerx

  • Letter |

    Circadian rhythms control many physiological functions. During periods of feeding, pancreatic islets secrete insulin to maintain glucose homeostasis — a rhythmic process that is disturbed in people with diabetes. These authors show that pancreatic islets contain their own clock: they have self-sustained circadian oscillations of CLOCK and BMAL1 genes and proteins, which are vital for the regulation of circadian rhythms. Without this clock, a cascade of cellular failure and pathology initiates the onset of diabetes mellitus.

    • Biliana Marcheva
    • , Kathryn Moynihan Ramsey
    •  & Joseph Bass

  • News & Views |

    Most insulin-secreting pancreatic β-cells are irreplaceably lost in type 1 diabetes. In a mouse model, pancreatic α-cells seem to sacrifice their identity to replenish the low stock of β-cells1. Two experts discuss what this means for understanding the basic cell biology involved and its relevance to treating diabetes.boxed-text

    • Kenneth S. Zaret
    •  & Morris F. White

  • News & Views |

    Metabolic disorders such as obesity are characterized by long-term, low-grade inflammation. Under certain conditions, the resident microorganisms of the gut might contribute to this inflammation, resulting in disease.

    • Ping Li
    •  & Gökhan S. Hotamisligil

  • Letter |

    Recently, numerous single nucleotide polymorphisms have been identified as being associated with obesity, but these loci together account for only a small fraction of the known heritable component. Here, an association is reported between rare deletions of at least 593 kilobases at 16p11.2 and a highly penetrant form of obesity. The strategy used of combining study of extreme phenotypes with targeted follow-up is promising for identifying missing heritability in obesity.

    • R. G. Walters
    • , S. Jacquemont
    •  & J. S. Beckmann

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