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This exploratory study found that cannabidiol (CBD) at higher concentrations may inhibit hair growth by promoting the onset of catagen in human hair follicles, while lower concentrations showed potential anti-inflammatory effects without promoting catagen.

This study found that the cosmetic olfactory receptor agonist cyclohexyl salicylate may stimulate hair growth and expand stem cell progeny, suggesting potential as a cosmetic adjuvant for hair loss.

This review discusses the potential role of extracellular vesicles in hair follicle cycling and future alopecia treatments but provides no clinical results.

This study found that in Vdr-knockout mice, hair follicles fail to complete the catagen stage, leading to persistent epithelial strands and subsequent hair loss.

A substance called prostaglandin D2 is found more in bald scalps and it stops hair from growing. Blocking its receptor could potentially treat hair loss.

Prostaglandin D2, found in higher levels in bald scalps, stops hair growth, suggesting that blocking its receptor could potentially treat hair loss.

This study found that ocu-miR-205 affects signaling pathways, promoting the apoptosis of dermal papilla cells and influencing hair follicle density in Rex rabbits.

This study found that ocu-miR-205 promotes apoptosis in dermal papilla cells, alters hair follicle signaling pathways, and affects hair density in Rex rabbits.

In this study, researchers found that Hdac1 and Hdac2 are crucial for maintaining the quiescence and survival of dermal papilla cells in the hair follicle, regulating the hair cycle by controlling cell-cycle genes and Wnt signaling.

This article reviews the morphogenesis and cycling of hair follicles and the complex signaling pathways involved, without reporting new experimental results.

This review discusses the role of Wnt signaling in cardiac development and explores attempts to modulate it for improving heart function after ischemic injury, but reports no new experimental results.

This review discusses how transposable element activation may hinder tissue regeneration and explores mechanisms to control this activity, reporting no new experimental results.

In this study, researchers discovered that the interaction between the hairless protein and the wise protein is crucial for hair-follicle regeneration, helping bald mice regrow fur.

Basonuclin helps identify and track hair follicle development and cycling in mice.

This article discusses the structure and functions of the integumentary system and wound healing processes, but it reports no new clinical findings.

Basonuclin is crucial for hair follicle development and cycling in mice.

In this study, γ-ray irradiation of mice reduced hair follicle density and pigmentation, suggesting damage to stem cells and progenitors for keratinocytes and melanocytes.

This study identified a distinct "exogen" phase in the hair cycle during which hair shedding occurs, primarily coupled with the anagen phase, rather than as part of the telogen phase.

In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

In this study, lipid peroxides were found to induce apoptosis in hair follicle cells and advance the catagen phase in mice, suggesting a potential mechanism for alopecia development.

This study found that STAT5 activation in the dermal papilla acts as a key switch to trigger anagen entry in postdevelopmental hair follicle cycling.

In this study, oral spermidine supplementation was found to significantly prolong the hair follicle anagen phase and reduce hair loss, with effects persisting three months after treatment in healthy participants, suggesting potential therapeutic benefits for hair loss conditions.

TP0427736 may help treat hair loss by blocking a specific protein and promoting hair growth.

This study suggests that Eclipta prostrata may promote hair growth in mice and human dermal papilla cells through regulating FGF-7 and mTOR signaling.

This study found that 18-β-Glycyrrhetinic acid, a licorice component, stimulated human hair follicle cell proliferation, inhibited testosterone 5α-reductase, and suppressed TGF-β1, suggesting potential for treating androgenetic alopecia by promoting hair growth and prolonging the anagen phase.

In this phase 2 study, baricitinib at 2 mg and 4 mg doses significantly improved hair regrowth in adults with alopecia areata and ≥50% scalp hair loss compared to placebo, without new safety concerns, although the small sample size limits the results' generalizability.

This study provides new insights into the identification and expression patterns of miRNAs in wool follicles, which could improve understanding of wool follicle development in sheep.

This study found that telogen, a resting phase of the hair follicle cycle, is characterized by dynamic gene expression, including enhanced cholesterol metabolism and immune signaling, suggesting it is an active regulatory phase despite its quiescent appearance.

This study validated a highly selective and fast LC–MS/MS method for accurately measuring levels of tadalafil and finasteride in human plasma, adhering to international bioanalytical guidelines.

In this phase II clinical study, combining anlotinib with standard platinum-based chemotherapy showed promising outcomes and prognosis in treating extensive small-cell lung cancer, with high disease control and response rates.