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This paper reviews the role of miRNAs in stem cell therapies and hair follicle growth, reporting no new findings but highlighting recent insights into fertility treatment and wound healing.

This case report identifies a novel LIPH gene mutation linked to autosomal recessive woolly hair/hypotrichosis in a Japanese boy, expanding the spectrum of known mutations associated with this condition.

In this animal study, zinc deficiency in mice was linked to disrupted hair cycles and impaired hair regrowth, which were reversed by zinc supplementation.

This study observed that estrogen receptor content was lower in white hair compared to black hair, with the lowest levels recorded in male white hair among participants aged 50-56.

The conclusion suggests a new treatment for infantile hemangiomas and a potential target for hair loss treatment.

This study found that a decrease in estradiol levels in women is associated with increased hair shedding due to weakened anchoring of telogen hairs.

This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.

This study found that androgens downregulate BMP2 in dermal papilla cells, inhibiting hair follicle stem cell differentiation, while BMP2 addition may restore hair lineage differentiation through the Wnt/β-catenin pathway.

This study found that the human placenta extracellular matrix hydrogel restored the hair-inductive capacity of high-passaged dermal papilla cells, enabling them to regenerate new hair follicles when co-grafted with mouse epidermal cells.

This study found that extracellular vesicles from low-passage dermal papilla cells may activate hair growth by delivering miR-140-5p, which downregulates BMP2 signaling, suggesting potential therapeutic targets for alopecia.

This study found that super-enhancers are essential for hair follicle stem cell identity, lineage commitment, and plasticity in mice, with SOX9 being a key regulator of these chromatin dynamics.

This review discusses the advancements in intraoperative stem cell therapies and highlights their potential to improve hair regrowth, but it reports no new clinical results.

This review discusses the potential role of oxidative stress in hair graying and age-related alopecia, emphasizing the need for new strategies to counteract these effects, but reports no new results.

This review provides an overview of recent tissue engineering and regenerative medicine developments in Asia, highlighting significant advances, representative research achievements, and discussing future directions, without presenting new research results.

This review discusses the molecular mechanisms of androgens and androgen receptors in skin disorders, particularly androgenetic alopecia, and reports no new clinical results; it highlights potential areas for future treatment development.

This study found that androgens inhibit hair follicle stem cell differentiation by disrupting the Wnt signalling pathway in dermal papilla cells, but Wnt activation can restore differentiation.

This study found that simultaneously inhibiting both KLK5 and KLK7 proteases completely rescued skin barrier defects in a mouse model of Netherton syndrome, suggesting both should be therapeutic targets.

This review discusses current experimental approaches for regenerating human hair follicles using tissue engineering and isolated cells, but reports no successful strategies with adult cells yet found.

TGF-β1 from dermal papilla cells suppresses hair growth, and targeting it may help treat androgenetic alopecia.

This review discusses the use of Dermal Papilla cells as in vitro models for studying hair growth modulators, emphasizing their role in aiding the development of new hair treatments, but reports no new clinical results.

This study suggests that S100A4 and S100A6 proteins may play key roles in activating stem cells for hair follicle regeneration in mice.

This study presents a novel in vitro assay using human folliculoid microspheres to research hair growth, which may facilitate preclinical testing of hair growth-modulatory agents.

This study demonstrates that inhibiting SFRP1 with the antagonist WAY-316606 enhances hair growth in human scalp hair follicles ex vivo by facilitating Wnt signalling.

This study found that composite skin constructs containing dermal papilla cells promoted better skin healing and hair regeneration in nude mice, highlighting their role in tissue-engineered skin for severe injuries.

This study found that the prevalence of autoimmune thyroiditis was significantly higher in Italian patients with polycystic ovary syndrome compared to controls, suggesting that these patients should be screened for the condition.

This review discusses how androgens may regulate wound healing and inflammation, noting that testosterone appears to inhibit healing and promote inflammation, but it reports no new clinical results.

This study found that the SRD5A2 A49T A variant is associated with an increased risk of prostate cancer, lower circulating 3α‐diolG levels, and a decreased risk of baldness.

This review summarizes the application of microneedles in treating various skin diseases and highlights challenges like low drug loading, noting no new clinical results are reported.

This study demonstrated effective delivery of CRISPR/Cas9 components to dermal papilla cells in androgenic alopecia animals using ultrasound-activated nanoparticles, resulting in specific gene editing and hair growth recovery.

This study found that Insig deficiency in the skin of mice causes cholesterol precursors to accumulate, leading to defective hair development and skin abnormalities, which were alleviated by simvastatin treatment.