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This study identified several genes regulated by dihydrotestosterone in an SV40T-transformed human dermal papilla cell line, which may play a role in androgen-mediated hair growth regulation.

This study concluded that label-retaining cells in mouse epidermis differ in their sensitivity to proliferative stimuli, influencing their division and potential transdifferentiation without consistently depleting their population.

This study explores how chromatin differences between dermal papilla cells and papillary fibroblasts contribute to hair follicle inductivity and investigates the regulatory changes in androgenic alopecia.

This study aimed to describe the distribution of eyebrow and eyelash hair loss in patients with varying severities of scalp hair loss from alopecia areata but does not report results.

In this study, researchers found that while both beard and scalp dermal papilla cells release similar autocrine growth factors, only beard cells increased production and response with testosterone, suggesting these factors enhance androgen-induced hair growth.

This study suggests that the interaction between the hairless and wise proteins can help bald mice regrow fur, highlighting its essential role in hair-follicle regeneration.

This study found that Baricitinib significantly reduced hair loss and immune response in a mouse model of alopecia areata.

In this study, clobetasol propionate foam demonstrated effectiveness and good patient compliance as a safe topical treatment for moderate to severe alopecia areata, with significant hair regrowth compared to placebo.

This study reports that CD200R expression is significantly reduced in an experimental mouse model of scarring alopecia, suggesting a potential role for this pathway in immune regulation and hair follicle protection.

This review discusses using cultured dermal papilla cells to investigate hair follicle biology, emphasizing their potential to inform treatments, but reports no new clinical results.

In this study, targeted overexpression of the BMP receptor ALK2 in mouse hair follicle stem cells altered follicle structure and impaired cutaneous wound healing.

Lower GATA3 levels in mice help hair regrow by changing certain immune cells.

This study generated a transcriptomic map of human hair follicle compartments, providing a database for identifying compartment-specific gene expression which may aid in developing targeted treatments for hair follicle disorders.

This study suggests that long-term treatment with the contact sensitizer SADBE in mice may reduce leucocyte traffic in alopecia areata through impaired leucocyte extravasation.

This study found that different epidermal stem cell populations contribute to the formation of various skin tumors and new hair follicles following β-catenin activation in the adult epidermis.

This study observed that overexpression of Bcl-2 in certain transgenic mice accelerates catagen progression and increases hair follicle apoptosis and alopecia, while Bcl-2 deficient mice show delayed hair growth and pigmentation changes.

This study found that mitochondrial dysfunction and higher oxidative stress in balding dermal papilla cells may contribute to androgenetic alopecia, with antioxidants potentially improving metabolite uptake.

This study found that deleting ceramide synthase 4 in skin epidermis stem cells disrupts hair follicle and skin barrier function, leading to immune responses similar to atopic dermatitis, due to imbalances in lipid composition affecting differentiation.

This article discusses primary cicatricial alopecias, a group of rare inflammatory scalp disorders resulting in permanent hair loss, and reports no new findings.

This study suggests that human dermal Vδ1+ γδ T-cells may contribute to alopecia areata pathogenesis by targeting stressed scalp hair follicles and inducing immune privilege collapse.

This letter discusses three plasmacytoid dendritic cell-related parameters that may help differentiate lupus alopecia from lichen planopilaris, but it reports no new study results.

Researchers made a cell line that grows quickly and can help with hair growth research.

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 study detected higher expression of p63 in occipital scalp areas compared to frontal areas, with minimal changes in beta-catenin expression and a novel finding of CD34 positive cells in hair follicles' outer root sheath.

This case report describes alopecia universalis-like hair loss occurring in two patients with cutaneous T cell lymphoma, providing clinical, dermoscopic, and pathologic features to help differentiate it from alopecia areata universalis.

In this study, individuals with a c.1072C > T mutation in the EDAR gene showed more hair shaft deformations compared to non-mutation carriers, highlighting EDAR's role in hair follicle development.

Baricitinib helps regrow hair in teens with severe alopecia areata.

This study reports the creation of a human dermal mesenchymal-like stem cell line from an androgenetic alopecia patient, which may serve as an in vitro model to explore alopecia mechanisms.