Signal or Nutrient: Breast Milk Lipids in Macrophages

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A recent article identified a role for alkylglycerol (AKG)-type ether lipids in human breast milk in the regulation of the development of fat tissue in nursing babies (Figure 1). Intriguingly, the lipids affected tissue-resident macrophages in the fat tissue, adipose tissue macrophages (ATMs), not the adipose cells themselves. Using mice, Yu and colleagaues showed that … Read more

GDF15: Heart Hormone, Appetite Suppressant, Marker of Neurodegenerative Disease

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Coordinating growth with heart health ensures that the heart can keep up with the demands placed on it by the body. A recent study (1) identified a molecule called growth differentiation factor 15 [GDF15, also known as macrophage inhibitory cytokine 1 (MIC1)] that was released from the heart that signals to the liver to inhibit … Read more