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Too Much Muscle

19 June 2026

Too Much Muscle

A mutation in the TBX4 gene causes a childhood onset lung disease called pulmonary arterial hypertension. Here, a mouse model lacking the TBX4 gene has been developed to delve into the mechanisms underlying the disease. Revealing faulty formation of the lungs' vessels and development of excessive smooth muscle in the lungs, this model represents the human malady and, therefore, could aid treatment advancement.

Read the published research article here

Written by Lindsey Goff

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BPoD stands for Biomedical Picture of the Day. Managed by the MRC Laboratory of Medical Sciences until Jul 2023, it is now run independently by a dedicated team of scientists and writers. The website aims to engage everyone, young and old, in the wonders of biology, and its influence on medicine. The ever-growing archive of more than 4000 research images documents over a decade of progress. Explore the collection and see what you discover. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.

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