fat tagged posts

Obesity: A Dangerous Immune Response

Vasculature in murine visceral adipose tissue (red: blood vessels, green: pDCs, blue: hematopoietic cells)

Researchers show which molecular processes promote secondary diseases in obesity. Obesity and overweight are among the biggest health challenges of the 21st century, according to the World Health Organization (WHO). Almost 60 percent of Germans are considered overweight, while 25 percent are obese. Moreover, being overweight often triggers severe secondary diseases such as diabetes, arteriosclerosis, or heart attacks.

Immunological processes determine the course of this disease. As part of a new study, a group of LMU researchers led by Dr...

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Scientists Block RNA Silencing Protein in Liver to Prevent Obesity and Diabetes in Mice

Effects of hepatic Ago2-deficiency on MD-miRNA expression in the liver

Effects of hepatic Ago2-deficiency on MD-miRNA expression in the liver

New treatment for a major health problem? Obesity and its related ailments like type 2 diabetes and fatty liver disease pose a major global health burden, but researchers report in Nature Communications that blocking an RNA-silencing protein in the livers of mice keeps the animals from getting fat and diabetic conditions.

Takahisa Nakamura, PhD, and colleagues at Cincinnati Children’s Hospital Medical Center genetically deleted a protein called Argonaute 2 (Ago2) from the livers of mice. Ago2 controls the silencing of RNA in cells, affecting energy metabolism in the body, according to the study...

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House Dust Spurs Growth of Fat Cells in Lab Tests

Characterization of Adipogenic Activity of House Dust Extracts and Semi-Volatile Indoor Contaminants in 3T3-L1 Cells

Characterization of Adipogenic Activity of House Dust Extracts and Semi-Volatile Indoor Contaminants in 3T3-L1 Cells

Poor diet and a lack of physical activity are major contributors to the world’s obesity epidemic, but researchers have also identified common environmental pollutants that could play a role. Now one team reports in ACS’ journal Environmental Science & Technology that small amounts of house dust containing many of these compounds can spur fat cells to accumulate more triglycerides, or fat, in a lab dish.

Endocrine-disrupting chemicals, or EDCs, are synthetic or naturally occurring compounds that can interfere with or mimic the body’s hormones...

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How Fat becomes Lethal, even without Weight Gain

a small, normal liver next to an enlarged, fatty liver

The livers of a normal mouse (left) and a mouse whose liver cells lack Cpt2 (right) after eating a high fat diet. Courtesy of Cell Press

Study in mice shows important role of liver in balancing fats and sugars. Sugar in the form of blood glucose provides essential energy for cells. When its usual dietary source – carbohydrates – is scarce, the liver can produce it with the aid of fat. But new research from Johns Hopkins now adds to evidence that other tissues can step in to make glucose when the liver’s ability is impaired, and that the breakdown of fats in the liver is essential to protect it from a lethal onslaught of fat...

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