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In this study, optical coherence tomography detected hair follicles at the dermoepidermal junction not visible on the scalp surface in alopecia areata patients, suggesting OCT may help monitor treatment response.

This study developed a method to culture and maintain chicken feather follicles in vitro, preserving structure and biology similar to their in vivo state, though some gene expression was altered.

This study used single-cell RNA sequencing to characterize 19 distinct cell populations in sheep hair follicles, uncovering differentiation signatures and intercellular communication that may influence wool curvature and sheep breeding.

This study found that Sp6 overproduction in ameloblast-lineage cells increased cell proliferation and ameloblastin expression, suggesting that Sp6 promotes amelogenesis by inhibiting follistatin gene expression.

This study observed that dermoscopy is a valuable tool for hair transplant surgeons to evaluate and improve the aesthetic outcomes and address technical errors in transplant procedures.

This review summarizes trichoscopic features for diagnosing common hair loss disorders and reports no new clinical results, emphasizing their diagnostic utility in conditions like alopecia areata and trichotillomania.

This review assessed trichoscopic findings in folliculotropic mycosis fungoides of the scalp, reporting features like milky-red globules and distinct vascular patterns, but noted the predominance of small studies and the need for larger research to validate trichoscopy's diagnostic utility for this condition.

This study found that circ 0020938 suppresses hair follicle stem cell proliferation by interacting with the miR-142-5p/DSG4 axis, which aids in the hair follicle cycle's proper progression.

This study identified Activin A and follistatin as key regulators of hair cell differentiation in the mammalian auditory sensory epithelium, with Activin A signaling influencing the timing and pattern of cell differentiation.

This article discusses the uses and techniques of trichoscopy for hair and scalp disorders and reports no new clinical results.

This study found that using 3D cultures and fetal tissue extracts significantly improved the outcomes of stem cell treatments for regenerative medicine, including hair follicle formation and chronic wound healing.

This study found trichoscopy to be a quick and effective method for diagnosing and monitoring tinea capitis in children, with improvements in trichoscopic features observed by week 2 and full recoveries confirmed mycologically by week 8.

Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.

This study found that line-field confocal optical coherence tomography effectively visualized key diagnostic features of classic lichen planopilaris in real time, suggesting its potential as a valuable diagnostic tool.

In this study, researchers investigated a regulatory network in cashmere goat embryos and found that fibroblast growth factor 10, alongside non-coding RNAs, significantly influences hair follicle cell proliferation, offering insights into the biology of hair follicles in cashmere goats.

Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.

This study found that cells from the upper hair follicle exhibited more active growth compared to other segments in vitro, suggesting their potential as a source of hair follicle stem cells.

This study mapped the genome-wide epigenetic landscape in secondary hair follicle stem cells of goats, revealing distinct histone modification signatures associated with cashmere fiber cycling during different stages of hair growth.

This study established an optimal in vitro culture system for fine-wool sheep hair follicle stem cells, finding a combination of two-step enzymatic digestion and mechanical separation to be the most effective method.

This review discusses the use of the human-on-mouse xenograft model for studying the human hair follicle cycle and emphasizes its utility for pharmacological testing, without reporting new clinical results.

USB videodermatoscopes are a practical and affordable alternative for diagnosing skin conditions.

This study found that selective adhesion to type IV collagen successfully enriched human hair follicle stem cells based on distinct adhesion properties and marker expressions.

This study reported the feasibility of detecting six cell-cycle-related nuclear markers in plucked human scalp and eyebrow hair, providing valuable insights for future intervention studies.

This abstract provides no results or study findings; it only includes author affiliations and general commentary.

This study found that both reflectance confocal microscopy and optical coherence tomography can visualize detailed hair follicle abnormalities in various skin disorders, but larger, higher-quality studies are needed for clinical implementation.

In this study, researchers established a model using Mongolia Sheep hair follicles to investigate growth mechanisms, noting that adding insulin and hydrocortisone helped maintain follicle shape during extended culture.

This study identified SFRP2 and PTGDS as potential biomarkers for female pattern hair loss, finding these genes consistently upregulated in bald hair follicles from all 18 patients, which may contribute to understanding the condition's pathogenesis and developing targeted treatments.

This study observed that the osteopontin-derived peptide FOL-005 inhibited hair growth in human scalp skin models, contrary to its hair growth promotion in mice, supporting further clinical testing for excessive hair growth treatment.