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Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.

Hair transplantation is highly effective with careful technique and attention to patient needs.

This review discusses stem cell behavior, highlighting their plasticity in tissue repair and the impact of somatic mutations on clonal expansion in early cancer, but reports no new experimental results.

This study analyzed the swelling behavior of human hair during permanent waving treatment, finding that both the microstructure and macrostructure of intermediate filaments swell simultaneously at the initial stage, and while partially destructed by reduction, they are considerably restored through oxidation.

This review discusses five genetic fate mapping methods used to study cell behaviors during development and regeneration, detailing the necessary tools and considerations without reporting new experimental results.

This review discusses the use of stable isotope analysis in primate hair to study feeding behavior and reports no new results; the authors call for methodological refinement in field and lab procedures.

This study reviews the role of exosomes in regenerative aesthetics, highlighting their potential in treating conditions like photoaging and wound healing through mechanisms like matrix remodeling and immunomodulation, while also noting advancements in exosome isolation techniques and regulatory considerations.

This study reports a less invasive method for detecting human clock gene expression using hair follicle cells, which accurately reflects individual behavioral rhythms and suggests a time lag issue for rotating shift workers.

This review discusses the implications of deterministic chaos in pathology, emphasizing its potential impact on predicting biological behavior of lesions, and reports no new experimental results.

This review discusses current stem cell technologies, their potential therapeutic uses, and imaging techniques for tracking transplanted cells, without reporting new experimental results.

In this study, researchers developed a method using stencils to create controlled stiffness gradients in alginate hydrogels, revealing that stiffer regions within the gels promote deeper invasion by breast cancer cells, facilitating the study of mechanosensitive cellular behaviors.

This study found that mutant cells in hair follicles can be tolerated or eliminated by surrounding normal tissue, suggesting the potential for wild-type cells to counteract oncogenic mutations.

This article argues that lineage labeling with genetic markers is the gold standard for identifying epithelial stem cells, contrary to the view that in vitro methods alone are sufficient.

This study demonstrated that lactate dehydrogenase activity is notably high in quiescent hair follicle stem cells within mouse skin using a specific enzymatic activity assay.

This study presents a method for directly measuring the solubility of solid chemicals in the skin's stratum corneum under various humidity conditions, emphasizing its importance for dermal drug delivery and chemical safety assessments.

This study investigated the tensile response and morphological changes of different ethnic hair types using AFM, showing variations between virgin, chemically damaged, and conditioner-treated Caucasian hair under different conditions.

In this report, trichoscopy was highlighted as a valuable tool for diagnosing temporal triangular alopecia in children due to its ability to reveal distinctive patterns that differentiate it from similar conditions like alopecia areata, eliminating the need for invasive biopsy.

This study observed nestin-GFP expressing stem cells in the hair follicle bulge of living mice using high-resolution in-vivo multiphoton tomography, allowing migration tracking within their natural skin environment.

The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.

This case report describes the co-occurrence of alopecia areata and psoriasis in an 18-year-old girl with Turner's syndrome, suggesting a potential genetic link to immunological diseases in these patients.

This article reviews hair growth and loss in children and offers diagnostic approaches, reporting no new results.

In this study, researchers developed a microfluidics-based method for creating uniform, size-controlled stem cell spheroids that enhance osteogenic differentiation when encapsulated in alginate-RGD microgels.

This review examines regenerative hair waves and complex hair cycle domains in transgenic mice, highlighting how these dynamic processes contribute to skin regeneration and the physiological regulation of organs, but reports no new experimental results.

This review discusses various stem cell compartments in adult murine and human epidermis, examining their expressed markers and characterization assays, and reports no new experimental results.

This study confirmed that the novel solid lipid microparticle formulation of adapalene demonstrated follicular penetration potential and targeted particle erosion in sebum in in vitro tests.

This review describes the development of three mouse models using fluorescent proteins to visualize and study angiogenesis in tumors, particularly detailing interactions between tumor cells and the surrounding stroma.

This study found that acute stress can cause rapid hair loss by triggering necrosis in hair follicle cells and initiating autoimmunity, revealing a mechanism where stress-induced nerve activity leads to tissue damage and immune system activation.

In this review, it is discussed how mesenchymal stem cell aggregation plays a crucial role in organ development and has potential applications in organ regeneration through tissue engineering.

This study found that in adult mouse skin, somatosensory axon plasticity is highly dynamic and influenced by epithelial-neural crosstalk and intrinsic neural mechanisms.

Teaching men with simple bladder problems self-management skills can improve their symptoms and quality of life.