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This study developed new immortalized keratinocyte cell lines lacking COL7A1 using CRISPR/Cas9 technology, providing a valuable model to explore the biology and treatment options for recessive dystrophic epidermolysis bullosa.

In this study, different types of catagen in the C57BL/6 mouse model exhibited varying effects on hair follicle melanocytes and melanin distribution, with spontaneous and dexamethasone-induced catagen showing pigment incontinence, while cyclophosphamide-induced catagen retained dendritic melanocytes but increased ectopic melanin.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.

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 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 research investigated immune cell involvement in various types of inflammatory alopecia by analyzing gene expression data from scalp samples, revealing distinct cellular changes in conditions like Alopecia Areata, Frontal Fibrosing Alopecia, Lichen Planopilaris, and Central Centrifugal Cicatricial Alopecia, which may inform future therapeutic targets.

This study found that hyaluronic acid increased the size and cell proliferation of mixed aggregates in a 3D culture model, indicating its role in human hair follicle germ-like structure formation without enhancing dermal papilla cell markers.

This review discusses the use of phototherapy for treating different types of alopecia and reports its potential effectiveness without serious adverse reactions, but it emphasizes the need for further studies to optimize treatment parameters.

This study found that keratin K14 expression occurs early in epidermal cell differentiation, while a hair-specific keratin is expressed later in hair matrix cells, suggesting developmental divergence between the two cell types.

This review discusses current knowledge on the biological mechanisms of different types of alopecia but reports no new clinical findings; the authors highlight future research directions, especially regarding epidermal stem cells and immune pathways.

This review discusses the identification and roles of different epidermal stem cell types in skin homeostasis and repair, and reports no new experimental findings.

In this review, researchers examined how needle gauge and length impact the viability of human stem cells during injections, emphasizing the balance between minimizing tissue trauma and preserving cell viability to optimize clinical protocols.

In this review, researchers explored how various cell types and molecular mechanisms contribute to wound-induced hair follicle neogenesis, highlighting its potential as a therapeutic approach for regenerating hair follicles and minimizing scar formation after injury.

This review highlights the role of matriptase in epithelial differentiation and cancer, noting that unregulated matriptase expression can enhance cancer progression in animal models, but reports no new experimental data.

This paper reviews signaling influences and niches of epidermal stem cells and compares various types, but does not present new experimental findings.

This study found that anti-Sjögren's syndrome type B antibodies are highly specific for diagnosing systemic lupus erythematosus and are associated with several clinical symptoms, including cheek erythema and alopecia.

This study found that keratin phenotypes were consistent across different types of hair from the same individual, allowing for successful keratin typing following ABH blood group determination.

In this study, one type of commercial culture medium supported expression of stem cell markers in hair follicle epithelial stem cells, but their differentiation potential and hair follicle-inducing ability declined over time.

This study suggests that Nepenthes kampotiana Lecomte ethanol extract may promote hair growth and inhibit cell death in models of androgenic alopecia, indicating potential as a treatment option.

HA-iMSC-EVs can improve skin aging by boosting cell growth and restoring collagen and elastin.

This study documented a case of a 57-year-old woman with postmenopausal virilism due to a Sertoli-Leydig cell tumor, which improved after surgical treatment.

In this research, Sertoli cell line model ST38c demonstrated that the androgen receptor regulates hormone pathways through specific coregulators, suggesting roles for SRC-2 and HBO1 in testicular development and androgen responsiveness.

This study developed and tested continuous implanters for dermal papilla cell aggregates, finding that the bar-cartridge type implanter is the most effective design for continuous cell implantation in androgenetic alopecia research.

This review summarizes the roles of PDGF and its receptors in cell development and wound healing, reporting no new research findings; the authors emphasize PDGF's diverse biological functions.

This study found that both Finasteride and MK386 reduced cell proliferation in primary prostate cancer cultures, with Finasteride being more effective in lower Gleason scores and MK386 in higher ones.

This review article examines recent advances in understanding and managing various types of alopecia, highlighting modern therapeutic strategies such as individualized treatment plans, combination therapies, and regenerative approaches aimed at improving hair regrowth and minimizing adverse effects.

This review explores recent insights into the diverse cell populations involved in skin development, homeostasis, wound healing, and cancer progression but reports no new results.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

This study describes a method to isolate and analyze young and mature type VI trichomes from wild tomato species using autofluorescence-based cell sorting.