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Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.

This review discusses the molecular mechanisms involved in hair follicle development and regeneration, highlighting findings from mouse genetic studies, and reports no new experimental results.

This study found that 17β-oestradiol reduces lipogenesis but not cell division in human sebaceous glands over 7 days, while testosterone and dihydrotestosterone showed no effect on these processes.

This study observed that epidermal-specific deletion of aPKCλ in mice disrupts hair follicle stem cell quiescence, leading to altered hair follicle cycling and skin anomalies.

This study found a significant reduction in the number and size of sebaceous glands in psoriatic skin lesions, indicating potential involvement in psoriatic alopecia.

Acne is a common skin condition linked to diet, hormones, and genetics, and early treatment can prevent scarring.

This article discusses methods to measure comedogenesis in acne through the presence of microcomedones and reports no new clinical results; the authors outline a skin surface biopsy technique using cyanoacrylate gel.

This study found that activating the erbB-2 oncogene in transgenic mice led to severe skin abnormalities and fatal defects, indicating erbB-2's significant role in skin and hair follicle development.

This study showed that knocking out the Ppp2ca gene in the epidermis of mice led to significant hair loss and disrupted hair follicle morphogenesis and regeneration.

This article reviews the potential of stem cell-derived exosomes as a therapeutic approach for androgenic alopecia, noting their advantages over traditional cell therapy in repairing and regenerating hair follicles to address hair loss.

This study found that deleting all three Desmoglein 1 genes in mice led to impaired skin barrier function, disorganized epidermis, and postnatal lethality, highlighting Dsg1's essential role in epidermal development and maintenance.

Pili annulati is caused by a protein metabolism disorder affecting hair structure.

In this study, the researchers observed that male pattern alopecia is characterized by miniature follicles, enlarged sebaceous glands, and an increased number of mast cells, without significant abnormalities in enzyme activity.

This review discusses the role of androgens in women's skin-related conditions like acne, hirsutism, and female pattern hair loss, noting the lack of dermatology guidelines for when to pursue endocrinologic evaluation.

This study indicated that abnormal Bmp signaling in β-catenin gain-of-function mutants is associated with anorectal malformations, shedding light on potential mechanisms underlying these congenital conditions.

This study found that disrupting the inturned gene in developing mouse epidermis halted hair follicle formation due to impaired keratinocyte differentiation, highlighting primary cilia's role in tissue-specific planar cell polarity signaling.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

This study found that overexpressing the BMP inhibitor Noggin in transgenic mice led to a significant loss of nontylotrich hair follicles, suggesting a critical role for BMP signaling in hair follicle morphogenesis and cycling.

This study found that Wnt5a expression may suppress cell differentiation and induce an inflammatory response in HaCaT keratinocytes, which could be relevant to psoriasis development.

This review summarizes discussions from a 2010 stem cell biology meeting, covering the origin, behavior, and therapeutic potential of pluripotent and multipotent stem cells, without reporting new experimental findings.

This review discusses the biochemical and biological functions of histone demethylases and their potential involvement in human diseases, including cancer, but reports no new findings.

This study found that Tcf3 and Lef1 differently regulate cell differentiation in multipotent skin stem cells, with Tcf3 promoting follicle-like features and Lef1, when modified, promoting sebocyte differentiation.

This study found that mice lacking the 1αOHase enzyme, which is responsible for producing a key vitamin D metabolite, showed impaired epidermal differentiation and delayed recovery of skin barrier function after disruption.

In this study, researchers found that TCDD exposure accelerated differentiation and altered gene expression in human epidermal cells, indicating the epidermal barrier as a target of TCDD-activated AHR.

This study found that the microRNA miR-22 is a key regulator of the hair cycle, influencing hair loss by promoting the transition from growth to rest phases and repressing keratinocyte differentiation.

This review discusses the role of epidermal differentiation complex genes and epigenetic mechanisms in skin development and certain diseases, emphasizing their potential for improving drug development and delivery systems but provides no new experimental results.

This study found that overexpression of the transcription factor NFIC may enhance the proliferation and differentiation of stem cells from the apical papilla, suggesting its potential role in dentin/root regeneration.

This study found that NGAL expression increased in calcium-induced keratinocyte differentiation in vitro and was highly elevated in psoriasis-like skin conditions and skin cancers, suggesting a role in skin hyperplasia and homeostasis.

In this study, ethyl acetate fraction of Eclipta alba was found to inhibit adipogenesis and reduce dyslipidemia in hamsters, suggesting potential as an herbal treatment for obesity.

This study found that upregulation of NFIC may enhance proliferation and osteogenic/cementogenic differentiation in rat dental follicle cells.