24 citations,
June 2018 in “PubMed” Serenoa repens extract helps regrow hair and repair hair loss by activating certain cell growth pathways.
9 citations,
December 2021 in “Androgens” Androgens like testosterone may help treat traumatic brain injury by reducing mitochondrial stress and inflammation.
66 citations,
February 2015 in “Cell & tissue research/Cell and tissue research” The document concludes that there are no effective clinical treatments for hearing loss due to hair cell damage, but research is ongoing.
53 citations,
September 2013 in “Journal of Investigative Dermatology” The study investigated the immune privilege (IP) properties of cultured hair follicle (HF) cells, specifically focusing on dermal papilla and dermal sheath cup cells (DSCCs). It was found that these cells exhibited preferential expression of IP-associated genes compared to non-follicular fibroblasts (FBs), indicating potential functional IP. A key finding was the significant upregulation of programmed cell death 1 ligand 1 (PD-L1) in DSCCs and dermal papilla cells, which played a role in reducing IFNγ secretion and increasing apoptosis in co-cultured peripheral blood mononuclear cells (PBMCs). The study demonstrated that PD-L1 expression contributed to the IP properties of DSCCs by regulating T-cell activation-induced apoptosis, primarily through the mitochondrial pathway.
13 citations,
August 2019 in “Journal of Ethnopharmacology” Eleven traditional Polynesian plants show potential for natural anti-aging, hair growth, and skin brightening products.