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This study found that mammary resident macrophages play a key role in mammary tissue development by influencing cell division and maintaining mammary stem cell activity through the TNF-α-Cdk1/Cyclin B1 signaling pathway, highlighting their importance in the mammary stem cell niche.

This study demonstrates that neural stem cells in the adult vertebrate brain coordinate their division decisions using delayed local feedback mechanisms, involving Notch-mediated inhibition and dispersion effects, to maintain population homeostasis.

The study found that adipose-derived mesenchymal stem cells obtained via laser-assisted liposuction with selective photo-stimulation are comparable in differentiation potential and tumorigenic risk to those from conventional liposuction for cell therapy applications.

This study provides ex vivo proof-of-principle that low-intensity ultrasound may protect human hair follicles from paclitaxel-induced damage, potentially reducing chemotherapy-related alopecia.

This study observed that in adult mice, a cell-autonomous size control mechanism involving the RB pathway determines the timing of S phase entry in epidermal stem cells based on their size, while external microenvironment factors influence growth rates but not this intrinsic coupling.

In this study, the authors concluded that the TS-associated polyomavirus may disrupt Wnt/β-catenin signaling, likely contributing to abnormal hair follicle formation in trichodysplasia spinulosa.

This study observed that, in mouse ear epidermal stem cells, a cell-autonomous size control mechanism involving the RB pathway dictates S phase entry timing based on cell size, despite external environmental variations affecting growth rates.

This review discusses advances in understanding mammalian stem cell niches, particularly in bone marrow, tooth, and hair follicle, and highlights the potential for developing therapies targeting these niches for tissue repair.

In this study, loss of epidermal Par3 in mice disrupted the skin barrier and affected cell differentiation and stem cell maintenance, highlighting its role in epidermal homeostasis.

This study used two-photon microscopy to reveal that the dermal papilla is crucial for hair follicle regeneration and cannot be replaced by neighboring cells, providing new insights into stem cell behavior.

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

This study discovered a novel mechanism by which germ stem cells exit their niche in C. elegans, involving thin membranous protrusions from adjacent somatic gonad cells.

Human epidermal stem cells divide faster than previously thought.

This study found that Sox9 plays a critical role in maintaining radial glial progenitor cells and regulates the timing of their generation of upper-layer cortical neurons.

This study describes a new imaging platform for the adult Drosophila midgut, facilitating real-time observation of cell behaviors and dynamics involved in organ renewal.

This study found that DNA strand segregation in multipotent hair follicle stem cells occurs randomly during development and tissue homeostasis, challenging the immortal strand hypothesis.

This study found that altering CDK4 expression in mice affects the population of keratinocyte stem cells, suggesting a correlation with susceptibility to skin papillomas.

This chapter discusses the concepts of regeneration and homeostasis, noting that in vertebrates, regeneration is limited to certain tissues like liver, blood, and bone.

Ovol2 is essential for normal skin and hair regeneration.

This study found that 4-aminopyridine significantly enhanced skin wound healing by accelerating wound closure, improving skin architecture, and promoting hair follicle neogenesis and tissue regeneration.

This study found that the Wnt-β-catenin pathway directly promotes TERT expression in both stem and cancer cells, highlighting a mechanistic link between tumorigenesis and pluripotency.

This chapter examines how toxins such as inorganic arsenic, dioxin, and bacterial toxins can disrupt the balance of keratinocyte stem cell regeneration and differentiation, affecting skin barrier maintenance.

This review outlines the processes and potential of stem cells in regenerating skin, hair, and other tissues but presents no new experimental findings.

This workshop overview concluded that follicular epithelial stem cells are multipotent and located in the bulge region of hair follicles, contributing to hair, epidermis, and sebaceous gland formation.

This study shows that the Wnt-β-catenin pathway promotes TERT expression in both stem and cancer cells, linking tumorigenesis with pluripotency.

Valentina Greco's research shows that the environment around hair follicle stem cells is more crucial for regeneration than the stem cells themselves.

This study found that human dermal stem/progenitor cells demonstrated greater proliferation and differentiation potential than hair follicle dermal papilla cells, which showed increased expression of hair regeneration markers.

This review summarizes the current applications and mechanisms of self-assembled peptide hydrogels in promoting skin, bone, and nerve regeneration, highlighting their potential due to their biocompatibility and supportive role in tissue healing.

This study found that MYH9 acts as a tumor suppressor in squamous cell carcinomas by stabilizing p53 in the nucleus, suggesting its role in cancer prevention.

This study found that in androgenetic alopecia, reduced stem cell factor production by dermal papilla cells may lead to decreased pigmentation in hair follicles.