Now in our 13th year of bringing you beautiful imagery from biomedical science every day

Search the archive of over 4000 images

Sounds Like Stress

Protein called CHD7 protects neurons and cells of the hearing system from degeneration by stress

15 February 2022

Sounds Like Stress

I am sure we've all been there. Swamped under at work. Juggling too many projects. Feeling completely stressed. Well, the job of our auditory cells is a little similar. Our ability to hear is an energy-intensive process which exposes our auditory neurons and the hair cells in our ears under a certain type of stress; oxidative stress. These cells are hypersensitive to stress and exposure can quickly lead to cell death and as a result, hearing loss. So what stops us all losing our hearing much quicker? A protein called CHD7. By deleting the gene that encodes it in mice and removing the protection, hair cells (shown in pink and green) rapidly die off (right) compared to mice that have CHD7 (left). Individuals with CHARGE syndrome often suffer from hearing loss because they lack this shielding protein, so hearing loss could be an early indicator for such conditions.

Written by Sophie Arthur

Search The Archive

Submit An Image

Follow on Tumblr

Follow on Instagram

What is BPoD?

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.

Read More

BPoD is also available in Catalan at with translations by the University of Valencia.