CRISPR can transform bad fat into good fat, helping us stay lean and fighting diabetes

diabetes

Too much of the bad white [fat], which stores energy, makes us obese. The brown type burns energy, helping us stay lean. Scientists have now created human brown fat cells in the lab and transferred it into mice. These rodents gained less weight from a fatty diet. They also became healthier.

Scientists hope such a strategy might do the same thing in people.

To make the white fat behave like brown fat, the researchers used a technology known as CRISPR-Cas9. CRISPR often is used to swap out some genetic building blocks with others. [Molecular biologist Yu-Hua] Tseng’s team instead used the technology to insert a molecular switch into the DNA of white fat cells. This switch turned on a gene called UCP1. In brown fat, that gene causes mitochondria to churn out heat.

Related article:  Crime scene conundrum: Your DNA can wind up on something you never even touched
Follow the latest news and policy debates on agricultural biotech and biomedicine? Subscribe to our newsletter.

Tseng hopes this innovative use of CRISPR tech will one day treat obese people with diabetes. She can imagine doctors removing a patient’s fat cells and editing their DNA. The doctors would then return the cells back to that person (without firing up an immune attack). She says it would be “almost like waking up your own fat cells to boost your glucose metabolism.”

lem brown fat transplant fat cells
People have three types of fat cells. Brown fat burns energy, but we don’t have much of it as adults. White fat stores energy. Beige fat is scattered within white fat. Activated beige fat behaves like brown fat and can help us stay lean. Credit: iStock

Read the original post

Outbreak
Outbreak Daily Digest
Biotech Facts & Fallacies
Genetics Unzipped
Infographic: How dangerous COVID mutant strains develop

Infographic: How dangerous COVID mutant strains develop

Sometime in 2019, probably in China, SARS CoV-2 figured out a way to interact with a specific "spike" on the ...
Untitled

Philip Njemanze: Leading African anti-GMO activist claims Gates Foundation destroying Nigeria

Nigerian anti-GMO activist, physician, and inventor pushes anti-gay and anti-GMO ...

Most Popular

News on human & agricultural genetics and biotechnology delivered to your inbox.
glp menu logo outlined

Newsletter Subscription

Optional. Mail on special occasions.
Send this to a friend