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Mast cells may significantly contribute to central centrifugal cicatricial alopecia.

In this study, Lrig1-positive stem cells in mouse hair follicles were found to be essential for sebaceous gland formation and maintenance, with their depletion causing a temporary loss of these glands and changes in cellular differentiation.

This study identified distinct human and bacterial protein profiles in sebaceous follicular casts, with acne samples showing proteins linked to inflammation and normal samples showing proteins involved in stress protection.

SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.

This study found that age and follicular miniaturization were extremely weak predictors of total hair count in women with hair loss.

In this study, a newly developed cardamonin-loaded liposomal formulation significantly enhanced hair growth and improved hair follicle performance in mice with androgenic alopecia.

This study found that formulation factors like pH, viscosity, and chemical enhancers can significantly influence intrafollicular hydrocortisone permeation in vitro, with higher pH and enhancers reducing follicular contribution.

In this study, researchers found that the novel gene circCFAP20DC enhances the proliferation of goat follicular granulosa cells by activating the RB pathway, facilitating their progression from the G1 to S phase during follicular development.

This abstract describes the processes for recognizing foreign medical degrees in the US and the reciprocal credentialing of US medical qualifications in Poland, highlighting differences in evaluation and certification requirements between the two countries.

In this study, researchers suggest that hair follicle miniaturization in conditions like androgenetic alopecia may result from impaired conversion of quiescent stem cells to progenitor cells, influenced by the follicular niche, its collagen network, and various mechanical constraints.

This study introduced a novel in vitro assay for tracking melanosome transfer between melanocytes and keratinocytes, facilitating the quantification of melanin transfer and supporting the role of filopodia as a conduit.

This study found that PEGylation of nanoparticles enhances their penetration into hair follicles, with higher molecular weight PEG resulting in deeper follicular delivery.

This study found that specific gene upregulations and mutations in hidradenitis suppurativa skin support the role of inflammation, altered epithelial differentiation, and metabolism dysregulation in the disease's pathogenesis.

This study demonstrates that confocal laser scanning microscopy can effectively visualize the rapid diffusion and penetration pathway of a dye into the hair follicle in fresh human scalp skin.

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.

This review highlights the possibility of safely altering hair color through innovative cosmetics by targeting key biological processes in hair follicles, using insights from mammalian pigmentation studies and drug-induced hair color changes as potential pathways.

This study reviews various skin models and methodologies used to assess the follicular penetration of nanoparticle-based drugs, highlighting inconsistencies that complicate comparisons and aims to establish more uniform protocols for clearer study outcomes.

In this study, researchers demonstrated that human hair follicle outer root sheath cells release ATP, serotonin, and histamine in response to mechanical stimulation, which subsequently activates surrounding sensory neurons.

In this study, researchers used a 3D in vitro organ culture system to show that rifampicin-loaded lipid nanocapsules can penetrate hair follicles more effectively than free rifampicin, highlighting the potential advantage of nanocarrier-based antibiotic treatments for follicular infections.

In a single case study, researchers reported increased hair density using a trypsin-isolated cell suspension containing CD34 and CD200 positive cells for treating grade III androgenetic alopecia.

In this study, researchers found that connexin 43-negative cells in the basal layer of the epidermis could serve as markers for keratinocyte stem cells, aiding their identification and separation.

This review outlines the evolution of hair follicle engineering and its foundational discoveries, but reports no new experimental results.

This study explored the use of dexamethasone-loaded polymer hybrid nanoparticles in a xanthan gum hydrogel for treating alopecia areata, finding that freeze drying with sucrose influenced particle size, release, and permeation, but had no impact on cytotoxicity or anti-inflammatory efficacy in human keratinocytes.

This study in mice found that maternal iron deficiency led to hair loss and growth abnormalities in offspring due to increased oxidative stress and disrupted signaling pathways, but postnatal iron supplementation was able to reverse these effects.

This study found that vinegar-processed black soybean and its extract accelerated hair growth and prevented alopecia in mice, with potential mechanisms involving modulation of the Wnt/β-catenin signaling pathway, suggesting they may be promising functional foods for hair regeneration.

This study reports that Hair RiseTM microemulsion, made from plant extracts, significantly enhanced hair follicle cell growth and improved hair growth signaling pathways, suggesting it as a plant-based alternative for androgenetic alopecia treatment.

This review discusses the potential of P. polyphylla saponins to treat acne through antibacterial, anti-inflammatory, immunomodulatory, and antioxidant effects, noting that acne's complex pathogenesis makes this line of research promising for future studies.

This study concluded that TrichoxidilTM positively affected hair growth by increasing growth factor expression and fibroblast proliferation, suggesting it may be a promising treatment for androgenetic alopecia.

The researchers reported that a 5% Beta vulgaris L. extract nanogel showed better antialopecic activity in testosterone-induced alopecia in mice compared to a 2.5% concentration.

This study found that GLI1 RNA CISH was highly sensitive and specific for distinguishing basal cell carcinoma from nonfollicular epithelial neoplasms but not from most benign follicular tumors.