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This study in Hexi cashmere goats found that secondary follicle activity increases with time, and Hoxc13 expression varies significantly across different growth stages, suggesting a role in follicle activity.

In this study, researchers used single-cell RNA sequencing to map the hair follicle microenvironment in fine-wool sheep, identifying specific cell types and gene expressions that influence wool fiber diameter, with dermal papilla cells playing a significant role in hair follicle development.

This study found that the mechanical stiffening of the human hair follicle along the first millimeter is linked to changes in the keratin network architecture and composition during keratinization.

This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.

In this study, researchers found that replacing natural aggregates with animal bones and human hair with increased microroughness may improve the mechanical strength and durability of concrete.

In this study, researchers examined the methylation patterns in the skin tissues of Alpine Merino sheep with varying wool fiber diameters, finding that specific methylated RNAs linked to the Wnt, Notch, and TGF-ẞ signaling pathways may influence fiber diameter and potentially improve wool quality.

This study found that non-pigmented hair follicles have significantly lower expression of nucleotide excision repair genes, which may be associated with reduced melanin production capacity in these follicles.

These proceedings summarize expert presentations on female hair issues, including insights into hair loss disorders, criteria for intervention, and new technologies, but report no new clinical results.

This study analyzed gray hair, revealing that it differs from pigmented hair in follicular activity, oxidative balance, and structure, impacting coloring processes and necessitating adapted techniques to maintain hair quality.

This study found that the TrichoScan method for evaluating hair loss showed excellent correlation with manual marking and provided more consistent, reproducible results with less variability and operator error.

This abstract discusses platelet-rich plasma therapy for patterned hair loss but provides no new clinical results, suggesting further research is needed to determine its effectiveness.

This study found that high wool-producing Wan Strain Angora rabbits had higher hair follicle density and identified potential regulatory long noncoding RNAs that may influence this trait.

This article discusses techniques for creating natural-looking hairlines in hair restoration surgery and reports no new clinical results.

This article discusses inflammatory perifollicular fibrosis and alopecia but provides no new research findings.

Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.

This study found that artificial copolyamide fiber implantation was generally safe and aesthetically pleasing for patients with androgenetic alopecia who failed conventional therapies, though mild complications like folliculitis were noted in some cases.

In this phase 2a study of adults with alopecia areata, researchers observed that ritlecitinib treatment did not result in significant differences in brainstem auditory evoked potential changes or axonal swelling compared to placebo, suggesting the dog toxicity findings may not be clinically relevant in humans.

This study found that in sheep, the microRNA oar-miR-377 regulates hair follicle development by targeting the SLC24A2 gene, and identified a genetic variation associated with wool quality, suggesting potential markers for breeding.

This study found that melatonin treatment in adult cashmere goats increased cashmere yield and improved fibre quality without negatively affecting the hair follicle development or cashmere production in their offspring.

This study observed significant differences in hair care practices and biologic hair parameters between Caucasian and African American women, which may contribute to varying hair fragility and growth.

This study suggests that controlling light exposure can influence cashmere growth by triggering hair follicles to enter their active growth phase sooner, potentially involving the CSDC2 gene as a key regulator.

This study found that melatonin combined with bromocryptine treatment in Spanish goats increased secondary hair follicle numbers and extended the cashmere growth phase during spring.

This study examined wool traits in Angora rabbits using low-coverage whole genome sequencing, identifying six QTLs and a gene, FGF10, linked to fiber growth and diameter, suggesting a cost-effective approach for complex trait analysis in genomic breeding.

This exploratory pilot study reported that using a 2% Oleosome-FGF-2 fusion extract scalp serum twice daily for 84 days in women with telogen effluvium and brittle hair improved hair density, anagen/telogen ratio, hair shaft thickness, and scalp hydration compared to a placebo.

This literature review suggests that platelet-rich plasma therapy shows promise for improving hair density and patient satisfaction in men with androgenetic alopecia, though standardized protocols are still needed.

In this study, oral Pycnogenol® intake was reported to significantly increase hair density and improve scalp microcirculation in Han Chinese menopausal women over six months.

In this study, ground flaxseed intake was associated with increased hair growth and improved metabolic markers in rabbits, but the mechanisms and optimal usage remain to be determined.

This meta-analysis reported that photobiomodulation therapy may improve hair density and stimulate hair growth in patients with androgenic alopecia compared to sham treatments, but larger studies are needed to confirm these findings.

This study found that minoxidil 2% increased nonvellus hair counts in women with female androgenetic alopecia without causing serious side effects, compared to a placebo.

This study found that mesotherapy with a dutasteride-containing preparation improved hair growth indicators in female pattern hair loss better than saline, with minimal side effects and greater effectiveness in patients with shorter disease duration.