November 22, 2013 3:11:48 pm
An Indian-origin researcher has discovered brown fat stem cells in adult humans that may lead to new treatments for diabetes and obesity.
Until now,it was thought that brown fat stem cells did not exist in adults.
Children have large amounts of brown fat that is highly metabolically active,which allows them to eat large amounts of food and not gain weight.
The study was led by Amit N Patel,director of Clinical Regenerative Medicine and Tissue Engineering,and associate professor in the Division of Cardiothoracic Surgery at the University of Utah School of Medicine.
Adults generally have an abundance of white fat in their bodies,which leads to weight gain and cardiovascular disease but this is not seen in brown fat,Patel said.
As people age the amount of white fat increases and brown fat decreases which contributes to diabetes and high cholesterol.
“If you have more brown fat,you weigh less,you’re metabolically efficient,and you have fewer instances of diabetes and high cholesterol,” Patel said.
“The unique identification of human brown fat stem cells in the chest of patients aged from 28 to 84 years is profound.
We were able to isolate the human stem cells,culture and grow them,and implant them into a pre-human model which has demonstrated positive effects on glucose levels,” said Patel.
The new discovery of finding brown fat stem cells may help in identifying potential drugs that may increase the body’s own ability to make brown fat or find novel ways to directly implant the brown fat stem cells into patients.
The study was published in the journal Stem Cells.
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