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This study used porcine models to isolate and culture stem cells from brain and hair follicles, shedding light on differentiation processes and potential markers for stem cell compartments under lab conditions.

This study observed that distinct subsets of Hoxd genes in murine vibrissae and chicken feather primordia are regulated by different lineage-specific enhancers, indicating evolutionary changes in chromatin topology contribute to transcriptional robustness.

This study used cashmere goats to reveal distinct intermediate states of dermal papilla cells, each with specific roles in hair growth, shedding, and regeneration.

This review found that tea tree oil, especially terpinen-4-ol, may be the most effective treatment for Demodex-related diseases, but more research is needed to improve treatment efficacy and reduce side effects.

This study involved using smartphone applications and low-cost trichoscopy devices to assess various hair and scalp conditions, with diagnoses confirmed through detailed imaging during remote consultations and in-person evaluations.

In this study, naked mole-rats demonstrated unique skin and hair follicle innervation features compared to other species, suggesting adaptations to their subterranean environment and poikilothermy.

This study suggests that specific genetic changes, including mutations in protein-coding genes and noncoding regions, have contributed to the evolution of hairlessness in multiple mammalian species.

This study observed that the pig integument is similar to human skin in both light and electron microscopy, with minimal postnatal developmental differences noted.

The abstract notes that while telogen effluvium—a condition causing diffuse hair loss—is triggered by stressors like significant weight loss, there is limited literature specifically exploring the connection between telogen effluvium and weight loss.

This review discusses the use of hairs and feathers as defensive tools through toxin incorporation in certain mammals and birds and reports no new experimental findings.

This study suggests that the Leptin receptor may serve as a novel cell surface marker for dermal papilla cells, potentially aiding future isolation and research efforts in hair follicle regeneration studies.

This study developed a foxn1-deficient Xenopus laevis model using CRISPR/Cas9, observing reduced T-cell markers and altered immune responses in tadpoles, providing a nonmammalian model for immunological research.

This study found that ablation of Tet2/Tet3 genes in skin epithelial cells altered hair shape and length, leading to hair loss, by affecting chromatin accessibility and gene expression related to hair follicle regulation.

This study observed no correlation between Demodex species and skin condition among Aborigines, though D. brevis was associated with sebaceous gland degeneration in one case.

This study found that pilomatricomas exhibit co-expression of hair keratin hHa5 and HOXC13 in lower transitional cells, but lack LEF1 and β-catenin co-expression necessary for canonical Wnt signaling pathway-controlled cortical differentiation.

This study found that Fraser's Dolphin, a tight-skinned mammal, can regenerate complex skin architecture with minimal scarring after large full-thickness wounds, even in high-tension environments, offering insights into regenerative healing mechanisms typically obscured by fibrotic responses.

This study explains how the development of keratin-associated proteins in embryonic epidermis is crucial for forming protective barriers in vertebrates, enabling them to adapt to terrestrial environments.

This study on Dorper sheep identified important genetic factors influencing hair follicle development, finding that expression patterns and genes like DBI, FZD3, and ZDHHC21 play a crucial role in wool shedding, which could help improve understanding of mammalian skin-related traits and human hair advancement.

This study provided a dynamic 4D atlas showing the development process of mouse hair follicles through a telescope-like model, revealing new insights into the origin of hair follicle stem cells.

This study found that mitochondrial fusion regulator Opa1 is crucial for maintaining melanocyte stem cells during the hair follicle cycle in mice, with Opa1 deficiency leading to impaired SCF-KIT signaling, reduced melanocyte populations, and early hair graying.

Skin cells can help create early hair-like structures in lab cultures.

This study found that Krox20 marks a diverse stem cell population in mouse hair follicles, which significantly contributes to the interfollicular epidermis and regulates epidermal homeostasis.

This study found that Cupiennius salei spiders have specialized mechanosensitive hairs on their legs that adaptively respond to joint movements during walking, suggesting a proprioceptive function.

This study found that local refinement of hair follicles into higher order patterns can occur without the core planar cell polarity system, but global alignment with body axes requires its function throughout development and regeneration.

In this study, rat primary thymic epithelial cells demonstrated a clonogenic growth pattern in vitro and were able to integrate into functional thymus or differentiate into skin derivatives, similar to skin multipotent stem cells.

This study found that Sonic hedgehog pathway expression strongly correlates with tail regeneration in house geckos, peaking early and decreasing afterward.

This study observed that the thinning and structural abnormalities in monilethrix-affected hair occur at the internodes due to possible periodic dysfunction of the hair matrix, particularly in the cortex.

In this study on Drosophila embryos, researchers observed that the Slit/Robo signaling pathway is crucial for the collective migration and proper positioning of Posterior Signaling Center cells within the hematopoietic niche, highlighting its role in niche assembly and cellular organization.

In this study, the ablation of Tet2/Tet3 genes in mouse skin epithelial cells led to altered hair shape and length, highlighting their role in regulating hair follicle gene expression and chromatin structure.