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Skin changes throughout life, from development before birth to aging effects like wrinkles, influenced by both genetics and environment.

This study reports that different adhesion molecules play distinct roles in the morphogenesis of feathers and hair, influencing processes such as mesenchymal condensation, epithelial folding, and cell death.

This article reviews the role of epidermal proteins and their complex gene families in maintaining skin integrity and highlights insights gained from genetic studies and mouse models, without providing new clinical results.

This study utilized a pigmented human epidermal equivalent model to incorporate melanocytes into the epidermis and found enhanced differentiation potential compared to conventional in vitro systems, reflecting in vivo cellular trajectories and highlighting melanocyte-to-keratinocyte communication pathways.

This article reviews key questions in skin biology, particularly the mechanisms of hair follicle patterning and the role of stem cells in the epidermis, reporting no new results.

This study explores the role of cell competition in maintaining genomic quality in epidermal stem cells and proposes that this process might influence cancer development in skin tissues.

This review highlights similarities in the development of thymus and skin epidermis, reporting no new results; the authors emphasize shared molecular mechanisms despite different embryonic origins.

This study identified genes potentially involved in the development and differentiation of skin appendages in Atelerix albiventris, noting significant enrichment of immune-related genes in hair-type tissues.

This study suggests that the epidermis of monotremes and marsupials exhibits a more primitive pattern of protein distribution compared to eutherian mammals, with differences in loricrin distribution and keratinocyte maturation.

This review explores embryonic epidermal development and discusses key molecular regulators and roles of the sub-epidermal mesenchyme, but reports no new experimental results.

Understanding skin structure and development helps diagnose and treat skin disorders.

This study observed that the expression of certain keratins during human epidermal development marks the tissue's commitment to stratification and keratinization processes.

This article discusses various skin pattern formations, their molecular mechanisms, and highlights the need for further understanding to connect molecular biology with organism phenotypes, without providing new clinical findings.

This study explored the carbohydrate composition of plasma cell membranes in human embryonic epidermis over various gestational ages and found specific patterns that may inform future diagnostic and therapeutic approaches for dermatoses.

This study observed that dermal dendritic cells migrate to the epidermis in mouse tail and back skin, correlating with changes in epidermal physiology like ortho- and parakeratosis.

This study examined prenatal and postnatal development of rat skin, observing marked changes in epidermal thickness and collagen fiber distribution as the rats aged.

This review discusses the molecular mechanisms involved in hair and epidermal development, highlighting how studies on human inherited diseases and mouse models have deepened our understanding; it reports no new results.

This article highlights the various dermoscopic signs described in dermatology but reports no new clinical results.

This chapter reviews the skin's structure and its clinical relevance, highlighting connective tissue diseases and the potential for novel treatments like protein, cell, or stem cell transfer, but reports no new findings.

2011 dermatological research found new skin aging markers, hair loss causes, skin defense mechanisms, and potential for new treatments.

This chapter provides an overview of skin physiology, aging effects, and how environmental factors like UV damage impact skin health, without presenting new research findings.

This study suggests that some keratin-associated proteins with antecedents found in non-haired animals may have roles beyond hair characteristics, possibly contributing to the evolution of hair follicles.

In this study, researchers found that the cornification process in the nuptial pads of Xenopus frogs involves the expression of the type II hair keratin homolog, krt59, and is regulated by the transcription factor hoxc13, showing similarities to mammalian hair evolution.

This article discusses the structure and function of the skin's epidermis, detailing its role as a protective barrier and nutrient exchange system, without presenting new research findings.

This review discusses the shared molecular and cellular processes in the early development stages of skin appendages like hair follicles, teeth, and mammary glands, reporting no new results.

This article reviews the similarities in early development processes of hair follicles, teeth, and mammary glands and reports no new experimental findings.