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The researchers reported that in hairless mice, epidermal cell division orientations and epidermal thickness varied by body site, with dorsal and ear epidermis primarily dividing parallel to the basement membrane, unlike hind paw and tail epidermis.

In this study, stable types of leucoderma such as segmental vitiligo and piebaldism showed 100% repigmentation after melanocyte transplantation, suggesting surgery as the preferred method for these conditions.

This study found that K15 is variably expressed in sheep and mouse hair follicles, with specific patterns suggesting a role in the early stages of keratinocyte differentiation.

In this study, researchers found that coordinated intercellular Ca2+ signaling among basal stem cells in mice is crucial for cell cycle progression and tissue-wide communication during epidermal regeneration.

This study found that actomyosin contractility in suprabasal keratinocytes influences the proliferation and differentiation of epidermal stem/progenitor cells by acting as a niche element in the skin.

In this study, loss of the Notch ligand Jag2 in mouse epidermal cells disrupted early differentiation and affected the structure and behavior of adjacent melanocytes, highlighting Jag2's role in epidermal differentiation and tissue homeostasis.

This study found that bikunin is expressed in human keratinocytes and may play a role in regulating keratinocyte function during mitosis or inflammation.

This study found that DermaCult™ Keratinocyte Expansion Medium allows for significantly extended growth of human epidermal keratinocytes while maintaining their differentiation potential.

This article reviews current research on epidermal stem cells and differentiation, presenting models of basal layer composition, but reports no new experimental findings.

This study found that PDCD4 protein expression is reduced in various skin cancers compared to normal skin, suggesting its potential role in preventing or treating certain skin cancers.

This review discusses how epidermal Langerhan's cells and dermal cells may influence keratinocyte environments, potentially aiding in the formation of stem cell niches and cellular variety in the basal layer, without providing novel results.

In this study, the researchers observed that inducing and then withdrawing β-catenin expression in a bigenic mouse model caused reversible changes in skin morphology, indicating dependence on β-catenin signaling.

This study found that Thy1+ keratinocytes in the basal layer of the interfollicular epidermis play a crucial role in epidermal homeostasis and wound repair, with their ablation impairing these processes.

This study found that loss of integrin-β4 or its ligand, laminin-α3β3ɣ2, in keratinocytes increases differentiation via delamination, and demonstrated a role for hemidesmosomes in epidermal differentiation through both mitotic and non-mitotic mechanisms, influenced by Notch signaling.

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.

In this study, researchers identified at least four distinct basal stem cell populations in the human interfollicular epidermis, each crucial for maintaining epidermal communication and homeostasis.

This article describes the skin changes seen in acute and chronic graft-vs-host reactions after bone marrow transplantation, highlighting the potential for early recognition due to the visibility of these changes, but reports no new clinical results.

This study introduces the term "hair matrix cyst" for a cyst with both pilomatricoma and epidermal cyst characteristics, highlighting its potential for misdiagnosis among similar skin conditions.

This review explores the role of Eph receptors and ephrins in skin cell processes, discussing their potential for therapeutic targeting in dermatological disorders, but it presents no new research findings.

This case report documents a successful response to griseofulvin and prednisolone treatment in a 12-year-old boy with lichen planopilaris, characterized by patchy hair loss and distinct skin changes.

In this study, application of salicylic acid solution on mouse skin showed histologic changes without causing wounds or inflammation, observed immediately and up to 48 hours after treatment.

This study found that the serine protease BSSP is strongly expressed in mouse skin during carcinogenesis and is upregulated independently of c-Fos and unaffected by glucocorticoids.

This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.

The study observed increased melanin and signs of skin aging in melasma-afflicted skin, with strong CK10 expression in the upper basal epidermis, potentially linked to excessive epidermal cell differentiation and aging.

This study reported significant upregulation and release of S100A4 in psoriatic skin, which may actively contribute to psoriasis pathogenesis.

This review discusses Wnt signaling pathways in skin development and stem cell regulation, highlighting potential interactions with other pathways but reports no new findings.

This study used single-cell RNA sequencing to identify at least nine subpopulations of keratinocytes in human neonatal epidermis, revealing unexpected heterogeneity and complex differentiation trajectories.

This study reveals that CSPG4-positive basal cell keratinocytes show distinct global gene expression from CSPG4-negative cells, despite similar colony-forming efficiency.

This study suggests that using sebaceous glands from rat tail skin samples may effectively capture hair follicle stem cells, potentially aiding skin regenerative medicine when available tissue is limited.