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A potential protector against a mild heart attack’s aftereffects on metabolism

A study in mice suggests that transplanted brown fat can reduce type 2 diabetes risk factors after a heart attack by dampening gene activation linked to negative effects. The transplantation method could help researchers understand the mechanisms behind this protective effect and potentially lead to therapeutic applications.

SourceOhio State University·JournalInternational Journal of Obesity·TypeExperimental study·DateDec 15, 2021

Receptor makes mice strong and slim

Researchers at the University of Bonn identified a receptor that regulates two side effects of aging: increased abdominal girth and shrinking muscles. The A2B receptor is found in mice and human cell cultures, and its activation increases heat generation and muscle growth.

SourceUniversity of Bonn·JournalCell Metabolism·DateJun 25, 2020

People with brown fat may burn 15% more calories

A study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that short-term cold exposure increased energy expenditure and improved fatty acid profiles in individuals with active brown fat. People with brown fat burned 15% more calories than those without, highlighting the organ's potential as a ta...

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateApr 28, 2020

Signals from skin cells control fat cell specialization

Research at Kobe University reveals that protein secretions by skin cells, keratinocytes, regulate the differentiation of subsurface skin fat cells into white or brown adipose tissue. The study found that suppressing growth factor proteins BMP2 and FGF21 can decrease white fat cell numbers and increase brown fat cells.

SourceKobe University·JournalJournal of Investigative Dermatology·DateJul 25, 2019

What made humans 'the fat primate'?

Research suggests that humans have lost the ability to shunt fat cells toward beige or brown fat, leading to an increased reliance on calorie-storing white fat. This shift may have provided an energy advantage for human brain growth, but also contributes to modern obesity.

SourceDuke University·JournalGenome Biology and Evolution·DateJun 26, 2019

Could coffee be the secret to fighting obesity?

Researchers at the University of Nottingham discovered that drinking coffee can stimulate 'brown fat', increasing body heat and burning calories. This could be a key to tackling obesity and diabetes. The study used thermal imaging to trace brown fat reserves and found that caffeine had a direct effect on its functions.

SourceUniversity of Nottingham·JournalScientific Reports·DateJun 24, 2019

Bladder drug linked to atherosclerosis in mice

Researchers found that mirabegron accelerates atheroclerosis in mice by activating brown fat, potentially increasing the risk of cardiovascular disease and stroke in humans. The study suggests patients with cardiovascular disease or mutations affecting LDL removal should exercise caution when using this drug.

SourceKarolinska Institutet·JournalProceedings of the National Academy of Sciences·DateMay 13, 2019

Cholesterol-lowering drugs reduce brown adipose tissue

Research reveals that cholesterol-lowering statin drugs decrease the formation of brown adipose tissue in adults. Brown adipose tissue plays a crucial role in regulating body temperature and insulin sensitivity. The study found that people taking statins have significantly lower rates of brown adipose tissue compared to non-statins users.

SourceETH Zurich·JournalCell Metabolism·DateDec 21, 2018

Innovative technique converts white fat to brown fat

Researchers at Columbia University have developed a method to directly convert white fat to brown fat outside the body and then reimplant it in a patient. This technique uses fat-grafting procedures commonly performed by plastic surgeons, which is potentially safer than existing methods that use pharmaceuticals or chronic cold exposure.

Environmental impact passed on to offspring

Research shows that ambient temperature before conception influences offspring's brown adipose tissue activity and protection against excess weight and metabolic disorders. This epigenetic mechanism may explain why people in cold regions have higher levels of brown fat.

SourceETH Zurich·JournalNature Medicine·DateJul 9, 2018

Fat cell filling, ketogenic diet, and the history of biochemistry

Researchers investigated brown fat cells after whitening, finding they are more likely to die than white adipocytes. Whitened fat tissue also shows increased inflammation and macrophages. The ketogenic diet regulates metabolites but not brain levels, suggesting changes in plasma metabolism may not always cross the blood-brain barrier.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Lipid Research·DateJun 13, 2018

Study links 'good' brown fat and exercise

A new study by Ohio State University reveals that a lipid released from brown fat, called lipokine, surges in the bloodstream after exercise. This finding suggests that burning of brown fat and this lipid play an important role in the metabolic benefits of exercise.

SourceOhio State University·JournalCell Metabolism·DateMay 1, 2018

Shivering and exercise both trigger same fat-burning effect

Researchers identified a lipid that circulates in the blood after exercise and exposure to cold, which may help reduce triglyceride levels and improve cardiovascular health. The lipid, called 12,13-diHOME, is produced by brown fat and promotes the uptake of fatty acids into working muscles during exercise.

SourceCell Press·JournalCell Metabolism·DateMay 1, 2018

Brown adipose tissue made transparent

Researchers have developed a new non-invasive method to measure the metabolic activity of brown adipose tissue, making it easier to verify its heat generation. The method uses multispectral optoacoustic tomography (MSOT) to visualize changes in oxygenated and deoxygenated hemoglobin, allowing scientists to study its effects on energy b...

SourceTechnical University of Munich (TUM)·JournalCell Metabolism·DateMar 12, 2018