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This review discusses the relationship between vitamin K and osteoarthritis, noting that while lower vitamin K levels are associated with increased osteoarthritis, the effects of vitamin K supplementation on the condition remain unclear due to a lack of clinical trials.

This study developed an in vitro artificial hair germ model using dermal papilla cells and skin keratinocytes to explore early stages of hair follicle regeneration.

This study found that adipocytes play a crucial role in skin wound healing by facilitating fibroblast recruitment and dermal reconstruction during the healing process.

Scalp dermal papilla and fibrous sheath cells have different MMP expression than scalp dermal fibroblasts.

In this study, researchers discovered that HEY2+ dermal papilla cells exhibit stemness and contribute to dermal regeneration during wound healing, as shown by the expression of a reporter gene in regenerated dermal cells of tamoxifen-induced transgenic mice.

This study suggests that EREG, released from ORS cells, may promote hair growth by activating specific receptors and modulating ROS generation, offering a potential new treatment for hair loss.

This study found that fibroblast growth factor 20 (Fgf20) orchestrates the movement and behavior of dermal fibroblasts, directing their formation into dermal condensates during hair follicle development in mice.

This review discusses the role of dermal cells in hair follicle regeneration and morphogenesis and highlights their potential therapeutic implications, but it reports no new empirical findings.

This study demonstrated that enhancing human skin constructs with hair follicles through engineered cell organization and vascularization improved hair growth in immunodeficient mice, suggesting potential advances for treating alopecia and chronic wounds.

This study found that the extract of Asiasari radix may promote hair growth in mice by enhancing protein synthesis, cell proliferation, and growth factor expression.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

This review discusses methods for evaluating hair growth-promoting effects of candidate substances for androgenetic alopecia, focusing on cell assays, organ cultures, and animal models, and reports no new results.

This article reviews current research on animal models for hair regrowth treatments and reports no new findings; it highlights the need for studies comparing therapy efficiency and long-term safety.

This study revealed that BMP5 in onychofibroblasts may play a key role in the differentiation of nail matrix keratinocytes, highlighting transcriptional similarities between nail and hair structures.

This study found that essential oils boost hair growth activity in dermal papilla cells by scavenging reactive oxygen species and upregulating growth factor biomarkers.

In this study, researchers used a 3D printing technique to spatially pattern human dermal papilla cell spheroids in a collagen matrix, enhancing skin and hair regeneration in a mouse model, with notable upregulation of key genes for hair follicle formation compared to traditional cell cultures.

This study found that Naringenin and Hesperetin significantly increased the proliferation of hair-related cells and suggested potential as natural hair growth-promoting agents.

This symposium abstract reports no new experimental results and discusses the pathophysiology of hair growth as presented at an event organized by the Institute of Dermatology.

This study found that combining adult germinative epidermal cells with non-inductive dermal cells can stimulate hair follicle neogenesis, effectively altering the cells' status to enhance induction.

This study found that ECMs from papillary and dermal papilla fibroblasts support normal basement membrane formation, suggesting potential improvements for therapeutic biomaterials in skin engineering.

This study suggests that exosomes from dermal papilla cells can regulate hair follicle stem cell proliferation via the Wnt3a/β-catenin signaling pathway, potentially informing treatment for human hair problems.

This study describes a novel method using force-triggered density gradient sedimentation for efficiently isolating dermal papilla cells from neonatal mouse skin, showing promise for hair follicle regeneration research.

This review discusses the protective roles of skin-resident immune cells in maintaining tissue homeostasis and facilitating wound healing, but reports no new experimental findings.

This review explores recent insights into the diverse cell populations involved in skin development, homeostasis, wound healing, and cancer progression but reports no new results.

This study found that the protein MIM is crucial for maintaining cilia and Sonic hedgehog signaling in mesenchymal cells by counteracting Src-mediated phosphorylation of Cortactin, impacting hair follicle formation.

This study identified gene expression differences between dermal papilla cells from primary and secondary hair follicles in Cashmere goats, highlighting their roles in hair follicle morphogenesis.

This review explores how androgens and growth hormone influence the development of terminal hairs and sebaceous glands, attributing variability in hirsutism and acne to differing genetic sensitivities to androgens, but reports no new experimental data.

This study suggests that dermal adipocytes might play a key role in skin aging due to their transformation into fibrotic structures in chronically photo-damaged skin.

Burn reconstruction improves with new techniques, materials, and tissue engineering.

This speculative review discusses hair cycle-dependent fibroblast dynamics and possible impacts on human hair growth, synthesizing current literature without presenting new clinical findings.