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This study observed that quiescent label-retaining cells in the intestine, identified by Paneth cell markers, can switch to a proliferative state and activate Bmi1 expression during tissue injury, contributing to tissue regeneration.

This review discusses the dynamic, niche-driven regulation of stem cell states in tissue homeostasis and regeneration, focusing on epithelial stem cells in the mammalian skin, intestine, and lung, without providing new experimental results.

In this study, researchers found that transgenic expression of the Hairless gene in keratinocytes can restore hair follicle regeneration in Hr-deficient mice by repressing Wise, a modulator of Wnt signaling.

This review discusses the advancements in intraoperative stem cell therapies and highlights their potential to improve hair regrowth, but it reports no new clinical results.

This study supports the conclusion that the hormetic dose-response model is the most prevalent and fundamental model in biological and biomedical sciences, applicable to a wide range of clinical conditions.

This study found that overexpression of miR-214 in keratinocytes inhibits hair follicle development and cycling by targeting β-catenin in the Wnt signaling pathway.

This article discusses the roles of epidermal stem cells in maintaining skin homeostasis and highlights how deregulation in signaling pathways may lead to cancer, but it reports no new experimental results.

This article reviews advances in feather development and regeneration, including pattern formation, stem cell biology, and evolution, but presents no new experimental results.

This review highlights various methods of stem cell communication that reflect the unique organization and function of different tissues and reports no new results.

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 how macro-environmental factors such as intradermal adipose tissue and sex hormones influence hair and feather stem cell niches, suggesting environmental targets for regenerative medicine, but reports no new clinical results.

This article explores how extrafollicular environments and stem cell configurations influence hair and feather regeneration but provides no new experimental results.

This article reviews the generation of complex integument patterns through genetic, chemical, and environmental influences, with applications in tissue engineering, but reports no new experimental results.

This article describes incisional slit grafting as an improved hair transplantation method, using smaller grafts and conserving vascular supply to enhance graft yield and achieve a more natural hairline, but reports no new research results.

This review discusses the function and pathology of hair follicles and highlights the potential of using dogs as a model to study human hair and stem cell disorders, but presents no new experimental results.

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

This article reviews the role of R-spondins and their receptors in bone development and metabolism, highlighting their potential modulatory effects and clinical implications for treating bone loss diseases, but reports no new clinical results.

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 review discusses recent advancements in regenerative medicine, including functional organ regeneration and the creation of mini-organs, and reports no new clinical results.

This study reports that micropigmentation with iron oxide pigments is a safe and effective method for camouflaging scalp scars.

This study found that deletion of c-Jun and JunB in mouse bulge hair follicle stem cells was sufficient to trigger psoriasis-like skin disease through thymic stromal lymphopoietin signaling.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

The cause of alopecia areata was unknown, and while various treatments existed, no best treatment was agreed upon.

This review discusses the evolution of lineage-tracing strategies over the past century, emphasizing their role in identifying progenitor cells and resolving debates about cellular origins, with no new results reported.

This review discusses advancements in surgical hair restoration techniques, highlighting that modern follicular unit hair transplanting now achieves much more natural and undetectable results than previous methods, but reports no new clinical findings.

This study found that Blumea eriantha silver nanoparticles promoted hair growth in treated animals, with activity comparable to minoxidil in terms of anagen follicle transition.

This study describes a method for labeling and tracking hair follicle stem cells in mouse skin using a Cre/lox recombination system with tamoxifen, providing insights into stem cell behavior and contribution to tissue regeneration.

This article discusses facelift surgery, highlighting its refinement, outpatient use, low complication rates, and ease of mastery for advanced dermatologic surgeons, and reports no new clinical results.

Chicken feather gene mutation helps understand human hair disorders.

This study suggests that dividing the face into thirds may guide hairline development during follicular transplantation for men with type III-V male pattern baldness.