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The researchers reported that miR-21 expression increases with age in both human and mouse skin and may contribute to skin aging by targeting the chromatin remodeler SATB1 in keratinocytes.

This study found that the p63 transcription factor plays a role in epidermal morphogenesis by regulating Satb1 expression, impacting chromatin architecture and gene expression in epidermal progenitor cells.

This study found that chromosomal microarray analysis identified copy number variations in 12% of patients with dysmorphic features and congenital anomalies, demonstrating its potential as a diagnostic tool, especially for rare CNVs and immune deficiency linked to the deletion of CTLA4.

The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.