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In this study, researchers found that using a novel Leontopodium alpinum (Edelweiss) extract led to increased hair density and prolonged anagen phase in both ex vivo human hair follicles and a 5-month clinical trial, suggesting potential as an anti-hair loss treatment.

Ginseng and Albizia extracts help prevent hair thinning with age.

In this study, the reconstructed skin epidermal model derived from hair follicles showed gene expression and enzyme functionality consistent with native human skin, suggesting its viability for studying skin metabolism and potential toxicity of dermo-cosmetic ingredients.

This study observed that a 3D culture model of hair follicle cells showed an anagen-like phase between days 3 to 6 and transitioned to a catagen-like phase by day 7, highlighting cell differentiation and structural development over time.

This study found that stimulating olfactory receptor OR2AT4 in human hair follicles with Sandalore® may slow catagen development and reduce keratinocyte apoptosis, suggesting potential implications for hair growth management.

This article lists online educational resources from the American Society of Plastic Surgeons but reports no new research findings.

This chapter reviews the potential of adipose-derived stem cells for skin aging and hair loss treatments but reports no new experimental results; the authors highlight these stem cells as a promising regenerative resource.

This study found that Erica multiflora extract promotes hair growth by enhancing dermal papilla cell activity and shifting hair follicles from the telogen to the anagen phase in both in vitro and in vivo models.

This study observed that adipose-derived stem cells modified with trichogenic factors have similar properties to dermal papilla cells and show enhanced hair regeneration potential compared to unmodified adipose-derived stem cells.

This study found that mutations in the Sgk3 gene cause defective hair follicle development and altered hair cycling in mice, with variable phenotypic outcomes depending on different dysfunction patterns of the SGK3 protein.

HPV infection is linked to better survival in advanced anal cancer, higher radiation doses improve survival, especially in HPV-negative patients, and prostaglandin E₂ pretreatment can protect mouse hair follicles from radiation damage.

This article reviews the role of skin appendages in wound healing and appendage regeneration, discussing cellular and molecular mechanisms but reports no new experimental findings.

This article reviews the complex signaling pathways between epithelial and mesenchymal cells crucial for hair follicle morphogenesis, highlighting the Wnt pathway's role as a master regulator without reporting new experimental findings.

This study demonstrated that blocking the Sonic hedgehog signaling pathway in mice led to reversible inhibition of body coat hair morphogenesis, while whisker development was unaffected.

This article provides contact information for Bruce A. Morgan and features no new research findings.

This study found that treatment with ritlecitinib or brepocitinib was effective in improving scalp hair loss for patients with alopecia areata over 24 weeks compared to placebo.

This study found that the petroleum ether extract from the leaves of Hibiscus rosa-sinensis demonstrated more effectiveness in promoting hair growth in rats compared to the extract from its flowers.

This phase II trial found that BI 2536 demonstrated limited antitumor activity across five solid tumor types, with no confirmed objective responses observed.

This study found that deleting the miRNA processing enzymes Drosha and Dicer from mouse skin epithelial cells disrupted normal hair follicle development and maintenance, leading to follicular degradation and stem cell loss during the growth phase.

This review discusses the paracrine effects of adipose tissue-derived stem cells on surrounding cells and tissues, noting their potential therapeutic benefits, but reports no new clinical results.

This study found that procyanidin oligomers, particularly dimers and trimers, significantly promoted hair growth in mice and hair epithelial cell cultures, suggesting potential use as hair growth agents.

This study found that topical formulations including extracts from Cuscuta reflexa, Citrullus colocynthis, and Eclipta alba significantly accelerated hair growth initiation and completion in rats, indicating potential benefits for treating alopecia.

This study found that aged tritiated thymidine breaks down and incorporates into cytoplasmic macromolecules, not DNA, suggesting caution in its use.

In this animal study, topical minoxidil shortened the telogen phase of hair growth cycles in rats, suggesting it may stimulate certain follicles to progress more rapidly to anagen.

This study found that thrombospondin-1 plays a critical role in hair follicle cycle regulation, with deficiency prolonging follicle growth and overexpression delaying it through antiangiogenic effects.

This review discusses various techniques for evaluating hair shedding and alopecia but reports no new clinical results. The authors emphasize the value of specific clinical and instrumental methods in assessing hair growth.

This study found no protective effect of topical calcipotriol on hair loss in chemotherapy patients, and the authors propose the term "atrophic telogen effluvium" for this type of hair loss.

This study observed that long-term recombinant interferon alpha-2b therapy was associated with considerable hair loss in some patients, indicated by a telogen effluvium pattern on trichograms.

This abstract omits specific findings and does not provide new research results.

This study suggests that the COX-2 enzyme plays a role in hair follicle biology, as transgenic overexpression in mice induced hair follicle cycling disturbances and alopecia, which was mitigated by COX-2 inhibition.