Ralf Paus

Topically applied thyroid hormones stimulate hair growth in organ-cultured human scalp skin

This study shows that topical thyroid hormones T3 and T4 promote hair growth in human scalp skin ex vivo by increasing anagen phase, reducing cell proliferation, and enhancing angiogenesis and growth factor expression.

Perceived stress exacerbates psoriasis in human skin in vivo: Insights from a humanized psoriasis mouse model

This study shows that stress induces psoriasis relapse in human skin grafts in mice, with substance P playing a key role.

Germline intergenic duplications at Xq26.1 underlie Bazex-Dupre-Christol syndrome, an inherited basal cell carcinoma susceptibility condition

The paper identifies intergenic duplications at Xq26.1 as the genetic cause of Bazex-Dupre-Christol syndrome, linking them to ARHGAP36 dysregulation and BCC susceptibility.