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This review discusses three aspects of cell fate specification across Metazoa and reports no new experimental results, highlighting the formation of nematode equivalence groups, evolution of echinoderm skeletogenic mesoderm, and adult cell fate regulation.

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 created a detailed spatial atlas of healthy human skin and basal cell carcinoma, revealing a potential hair follicle origin for basal cell carcinoma and expansion of certain mesenchymal cell populations.

This study found distinct gene expression profiles in the parietal and occipital scalp of individuals with androgenetic alopecia, linked to developmental origins and susceptibility to hair loss, offering insights into genetic and epigenetic factors involved in AGA.

This review discusses the origins, differentiation, and function of dermal fibroblasts in skin development and healing, reporting no new clinical results.

In this study, mouse amnion epithelium was successfully transformed into skin and hair follicles when associated with hair-forming dermis, revealing the necessity of specific influences for follicle formation.

This study suggests that skin-derived precursors from Sox2(+) hair follicle dermal cells have the potential to function as dermal stem cells, supporting hair morphogenesis, dermal maintenance, and wound-healing.

This study highlights the significance of SFRP2 expression in dermal papilla cells, noting its correlation with the inductive potential for hair growth, although its role may be more indicative than transformative.

This article reviews common hair growth abnormalities in children, emphasizing the importance of distinguishing normal development from potential signs of metabolic disorders and indicates no new clinical results.

This study found that in patients with female androgenetic alopecia, mesodermal injection of 0.5% minoxidil was more effective in increasing hair density and improving hairline height than topical 2% minoxidil, with comparable safety over 16 weeks.

Mesotherapy is a minimally invasive treatment with potential benefits and risks, requiring standardized practices and further investigation.

This review discusses the biology and development of skin melanocytes, but reports no new clinical findings.

The document explains how hair follicles develop, their structure, and how they grow.

This narrative literature review examined how linking embryonic development with non-genetic skin anomalies can improve diagnostic accuracy, guide prenatal counseling, and enrich dermatology education by revealing specific vulnerabilities in skin morphogenesis and supporting advances in regenerative medicine.

New findings suggest targeting IL-23 could treat psoriasis, skin cells can adapt to new roles, direct conversion of skin cells to blood cells may aid cell therapy, removing certain tumor cells could boost cancer immunotherapy, and melanoma may have many tumorigenic cells, not just cancer stem cells.

This review explores fibroblast heterogeneity in the mammalian dermis and suggests potential therapeutic applications by targeting fibroblast subtypes, but reports no new experimental results.

This review discusses the relationship between ectodermal alterations and immunodeficiencies, particularly the roles of hyper-IgE syndrome, ectodermal dysplasia, and FOXN1 gene mutations, but it presents no new research findings.

In this study, researchers found that the microRNA profiles of induced pluripotent stem cells (iPSCs) derived from different adult cell types are largely similar, although each line exhibits some unique gene expression, distinct from both their cells of origin and embryonic stem cells.

This study identified Lgr5 and Lgr6 as receptors expressed by small populations of stem cells in various adult organs, with Lgr5+ve cells forming long-lived organoids in certain mouse models.

This review discusses the characteristics and potential applications of epidermal stem cells in dermatology, without providing new clinical results.

In this study, CD4+ non-haematopoietic, skin-resident stem cell-like populations were identified in both murine and human epidermis, suggesting they may serve as potential basal cell carcinoma precursors.

This review examines the evolving understanding of lymphatic vessel development, emphasizing new cellular mechanisms and lineage diversity, while discussing experimental methods and identifying key knowledge gaps.

This study demonstrates that Tp63-expressing epithelial stem cells from non-skin tissues can respond to skin morphogenetic signals and contribute to the formation of hair follicles, sebaceous glands, and epidermis.

This study found that latanoprost induces significant growth and pigmentation of lashes and ancillary hairs, with effects mirroring both brief and chronic treatments observed in patients and animal models.

This study found significant variation in tissue mutant load in individuals with the T8993G mutation, which complicates genetic counseling and may inform genotype-phenotype correlations, especially using hair bulb mtDNA analysis.

In this study on Drosophila embryos, researchers observed that the Slit/Robo signaling pathway is crucial for the collective migration and proper positioning of Posterior Signaling Center cells within the hematopoietic niche, highlighting its role in niche assembly and cellular organization.

This study found that topical melatonin significantly improved hair density and reduced the severity of androgenetic alopecia in men and women.

In this observational study, the combination of PRP and 5% minoxidil was more effective than minoxidil alone in promoting hair growth in men with androgenetic alopecia.

In this study, co-grafting human keratinocytes with murine dermal papilla-enriched cells produced hair follicle-like structures, but without regular hair formation, suggesting anomalous folliculogenesis.

In this study, UVB irradiation of organ-cultured human anagen hair follicles in vitro reduced hair elongation and increased cell death, affecting hair growth and regulatory processes.