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This study examined interactions between immune cells and dermal papilla cells in a patient with alopecia areata using single-cell RNA sequencing; it identified specific T cell subtypes and ligand-receptor pairs that may contribute to hair cycle disruption through inflammation.

This paper presents a new methodology combining magnetic tweezers and traction force microscopy to study keratinocyte mechanobiology, but reports no experimental results yet.

This study identified distinct myeloid subsets in the scalp of men with androgenetic alopecia, potentially revealing new drug targets for treatment.

Certain genetic factors may contribute to frontal fibrosing alopecia in Brazil.

This study found that cultured papilla cells can induce follicle formation and hair growth when combined with different epidermal and dermal cells, highlighting their powerful inductive properties and potential for dermatological applications.

Adult hair follicle cells can create new hair follicles from corneal cells with the right support.

This research by Yuan et al. focused on developing a comprehensive human skin cell atlas, analyzing various cell types and diseases, and introduced a deep learning method, scSEA, for unbiased reference mapping, potentially discovering new cell types.

This study established a pluripotent stem cell line from a patient with androgenetic alopecia, which can potentially be used to study the disease's pathological mechanisms.

This study found that Myc activation in mouse epidermis impairs keratinocyte adhesion and motility by downregulating extracellular matrix and cytoskeleton proteins, affecting hair lineage differentiation.

The researchers developed a comprehensive human skin cell atlas using data from various studies and established a consensus nomenclature for normal human skin in this project, which also includes a deep learning-based method for more effective reference mapping of new cells.

This research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

This review discusses how macro-environmental factors such as intradermal adipose tissue and sex hormones influence hair and feather stem cell niches, suggesting environmental targets for regenerative medicine, but reports no new clinical results.

This study found that Celsr1, not Celsr2, is the primary protein involved in establishing planar cell polarity and hair follicle polarization in the epidermis of mice.

T cells and bacteria in the gut and skin help maintain health and protect against disease.

This study used spatial transcriptomics to investigate T cell-hair follicle interactions in cutaneous lupus erythematosus across mice, dogs, and humans, finding that CXCR3+ T cells and B cells are enriched in lesional skin, with implications for potential therapeutic targets.

This study explored how T cells interact with hair follicles in primary cicatricial alopecias by using spatial transcriptomics across mice, dogs, and human samples, revealing specific communication pathways and potential drug targets like CFD and S100A8/9 for future therapeutic research.

Schwann cell and M2 macrophage interactions contribute to keloid growth by increasing matrix deposition.

In this study, the combination of SCF and ET-1 was found to significantly enhance skin pigmentation and melanin content in human skin xenografts on SCID mice compared to either treatment alone.

This study found that targeting the molecule Midkine may reduce pain and itching in keloid patients by inhibiting specific Schwann cell activities contributing to these symptoms.

In this review, recent innovations in hair transplantation, such as AI-assisted graft selection, robotic systems, stem cell therapy, and advanced drug delivery techniques, are reported to enhance hair density and thickness for more natural results and higher patient satisfaction by addressing limitations of traditional methods.

This review discusses how regulatory T cells, known for their immunosuppressive role, also produce repair mediators critical for tissue repair and regeneration, acting on non-immune cells in tissue-specific contexts, and highlights areas for future research in tissue repair, fibrosis, and cancer.

Discoid lupus erythematosus involves immune activation and fibrosis around hair follicles, with shared pathways across humans, dogs, and mice, suggesting potential treatments for both humans and animals.

This review discusses the bidirectional interactions between human mast cells and CD8 T cells in the skin, particularly in the context of disorders like psoriasis, atopic dermatitis, and vitiligo, and reports no new findings.

The researchers reported that hair follicle germinative epidermal cells can form complex structures when associating with papilla cells in culture, unlike other types of epidermal cells.

This study introduced a theoretical model suggesting that the morphological transition from bud to cap in tooth germ development is driven by mechanical interactions among cells.

In this review, the researchers highlight the role of fibroblasts in regulating the extracellular matrix and immune responses, emphasizing the impact on macrophages and potential therapeutic insights for fibrotic diseases and cancer.

This study found that mesenchymal cell processes from the dermal papilla contact epithelial hair matrix cells through gaps in the basal lamina during hair matrix cell differentiation in mouse vibrissa follicles.

This study found that lower expression of Septin4 is significantly associated with worse outcomes in colon cancer, and its interaction with BAX in DOX treatment suggests its potential in targeted therapy.