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One Faulty Gene Copy Can Disrupt Heart's DNA Folding, Leading to Birth Defects

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One Faulty Gene Copy Can Disrupt Heart's DNA Folding, Leading to Birth Defects
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The Gist

“Researchers at Gladstone Institutes have found that losing one copy of the TBX5 gene can disrupt the 3D structure of DNA in heart cells, leading to congenital heart disease. This discovery reveals a new mechanism for developmental disorders, where a small decrease in a single protein can cause the DNA blueprint to fold incorrectly and lead to disease.”

Researchers at Gladstone Institutes have made a groundbreaking discovery, finding that losing just one copy of the TBX5 gene can disrupt the 3D structure of DNA in heart cells, leading to congenital heart disease.

Key Insights

The TBX5 gene acts as an architect for heart DNA, helping to organize the genome into a precise 3D shape. Losing one copy of this gene can disrupt this structure, leading to congenital heart disease and other developmental disorders. This finding suggests a new mechanism for developmental disorders, where a small decrease in a single protein can cause the DNA blueprint to fold incorrectly and lead to disease.

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