BUFFALO, NY- June 15, 2022 – A new research paper was published in Aging (Aging-US) on the cover of Volume 14, Issue 11, entitled, “Histone deacetylase 4 reverses cellular senescence via DDIT4 in dermal fibroblasts.”

Researchers—from Seoul National University, Seoul National University College of Medicine, Seoul National University Graduate School, and Daegu Gyeongbuk Institute of Science and Technology (DGIST)—previously demonstrated that histone deacetylase 4 (HDAC4) is consistently downregulated in aged and ultraviolet (UV)-irradiated human skin. However, there is little research on how HDAC4 causes skin aging.

“To elucidate the potential role of HDAC4 in the regulation of cellular senescence and skin aging, we established oxidative stress- and UV-induced cellular senescence models using primary human dermal fibroblasts (HDFs).”

After overexpression or knockdown of HDAC4 in primary HDFs, RNA sequencing identified candidate molecular targets of HDAC4.

“Integrative analyses of our current and public mRNA expression profiles identified DNA damage-inducible transcript 4 (DDIT4) as a critical senescence-associated factor regulated by HDAC4.”

Full press release - https://aging-us.net/2022/06/15/aging-us-ddit4-identified-as-candidate-target-of-hdac4-associated-skin-aging/

DOI: https://doi.org/10.18632/aging.204118

Corresponding Authors: Daehee Hwang - [email protected], Dong Hun Lee - [email protected], Jin Ho Chung - [email protected]

Keywords: cellular senescence, DNA damage-inducible transcript 4, histone deacetylase 4, oxidative stress, ultraviolet light

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About Aging-US:

Launched in 2009, Aging (Aging-US) publishes papers of general interest and biological significance in all fields of aging research and age-related diseases, including cancer—and now, with a special focus on COVID-19 vulnerability as an age-dependent syndrome. Topics in Aging go beyond traditional gerontology, including, but not limited to, cellular and molecular biology, human age-related diseases, pathology in model organisms, signal transduction pathways (e.g., p53, sirtuins, and PI-3K/AKT/mTOR, among others), and approaches to modulating these signaling pathways.

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