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This forum article in BMC Biology discusses evolving views on the concept of the stem cell niche, highlighting varied mechanisms and the need for better understanding of the niche's roles and functions.

This review discusses advanced techniques for investigating stem cell fate at the single-cell level, including lineage tracing, time-lapse imaging, and molecular profiling, but reports no new research results.

This review outlines the current state and future prospects of using layer-by-layer self-assembly for cell encapsulation in biomedical applications, such as cell-based biosensors, transplantation, and tissue engineering, while also discussing its limitations and potential advancements.

This review discusses the potential of stem cell secretome in regenerative medicine and suggests that its paracrine effects, rather than direct cell replacement, may drive therapeutic benefits.

This review discusses the enhanced understanding of how stem cell niches respond adaptively to systemic signals, aging, and local perturbations, but reports no new research findings.

This review discusses the potential use of cultured primary fetal cells from a single organ donation to produce therapeutic products, emphasizing the need for process consistency and safety verification, but reports no clinical results.

This article reviews the roles and mechanisms of stem and progenitor cell migration in adult organs for tissue homeostasis and regenerative medicine, but reports no new experimental results.

This study found that disrupting the inturned gene in developing mouse epidermis halted hair follicle formation due to impaired keratinocyte differentiation, highlighting primary cilia's role in tissue-specific planar cell polarity signaling.

This study found that injecting xeno-free, three-dimensional cell masses from human adipose-derived stem cells improved blood perfusion and preserved limb function in mice without causing tumors or toxicity, suggesting potential for treating severe ischemic diseases.

This review highlights the promising role of stem cell therapy in treating resistant diseases, while also addressing the challenges in production and clinical application, emphasizing the need for standardized manufacturing and quality assurance to enhance efficacy and safety in clinical translational research.

This review summarizes discussions from a 2010 stem cell biology meeting, covering the origin, behavior, and therapeutic potential of pluripotent and multipotent stem cells, without reporting new experimental findings.

This study developed HA-gel-dex hydrogels with enhanced ECM-like properties and functionality, showing promise for 3D bioprinting, tissue repair, and as wound dressings due to improved cell interaction, cytocompatibility, antimicrobial synergy, and wound healing in mice compared to traditional ECM bio-inks.

This review discusses the insights gained from single-cell RNA sequencing of fibroblasts in various cancers and wound healing, highlighting differences in gene expression and novel interactions.

This study reviews the regenerative potential and clinical applications of exosomes derived from mesenchymal stem cells in conditions like COVID-19, alopecia, skin aging, and osteoarthritis, highlighting their role as a promising tool in regenerative medicine.

This study found that disrupted cholesterol homeostasis impairs hair regrowth in individuals with primary cicatricial alopecia by damaging hair follicle stem cells, highlighting the importance of cholesterol in maintaining stem cell function and hair follicle integrity.

This study found that overexpressing Rps14 in supporting cells promoted hair cell regeneration in the organ of Corti by facilitating cell proliferation and differentiation.

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 discusses the role of stem cell progeny as integral components of stem cell niches, offering feedback that may influence different stem cell systems' microenvironments, but it presents no new research findings.

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 research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

This review covers recent findings on stem cell plasticity under normal and cancerous conditions but presents no new experimental results, highlighting implications for regenerative medicine and cancer treatments.

This study found that cardiac fibroblasts significantly enhance the maturation of neonatal mouse and human embryonic stem cell-derived cardiomyocytes, suggesting a pivotal role in postnatal heart development and disease.

This review of stem cell-based tissue engineering treatments in preclinical burn wound models reports promising improvements in skin repair, suggesting potential as an enhanced therapy for burn wounds.

In this study, the combination of SCF and ET-1 was found to significantly enhance skin pigmentation and melanin content in human skin xenografts on SCID mice compared to either treatment alone.

This review discusses the latest understanding of androgenetic alopecia, including stem cell niches in hair follicles, and highlights emerging treatments like growth factors and platelet-rich plasma without new clinical findings.

This study found that the proteins GDNF, NTN, GFRα-1, GFRα-2, and c-Ret are differentially expressed during various stages of the human hair follicle cycle, with potential implications for hair biology.

This review discusses the development and application of cell-derived matrices in regenerative medicine and disease modeling, presenting various fabrication techniques and future perspectives, but reports no new results.

In this study, fetal stem cells were identified in adult human hair follicles long after childbirth, indicating potential for autologous therapies due to their pluripotent characteristics.

In this study, researchers prepared a humanized CXCL12 antibody for alopecia areata treatment, finding it significantly delayed disease onset in mice and reduced immune cell activation, suggesting potential as an immune modulatory therapy.

This study explored peripheral blood immune dysregulation in alopecia areata through single-cell analyses, identifying systemic changes linked to disease severity and key signaling roles for monocytes, NK cells, and memory T cells, suggesting potential therapeutic targets.