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This review highlights the potential of nanotechnology for hair follicle regeneration, focusing on strategies such as hair cycle modulation, progenitor cell stimulation, and wound-induced hair neogenesis, while also discussing regulatory challenges that may affect the development of these innovative approaches.

This review discusses regenerative medicine approaches for treating alopecia, including mesenchymal stem cell therapies and platelet-rich plasma, but reports no new clinical results, emphasizing the need for further study.

This study found that exosomes from human umbilical cord stem cells, pretreated with lithium chloride, significantly enhance hair regeneration in mice by activating the Wnt signaling pathway through miR-146a-5p.

This review explores the role of FGF signaling in hair follicle development and highlights its potential as a new therapeutic target for hair loss, which could surpass existing treatments in terms of efficacy and safety.

This study reviewed various methods and techniques aimed at overcoming limitations in culturing human hair follicles, specifically focusing on restoring the inductivity of hair follicle cells for successful hair regeneration.

This research suggests that recent discoveries of signaling pathways in androgenic alopecia may pave the way for targeted therapies, providing potential new treatment options beyond the current FDA-approved drugs, minoxidil and finasteride.

This review discusses recent advances in using extracellular vesicles as a potential treatment for alopecia and highlights ongoing challenges in their clinical application and mass production; no new clinical results are reported.

This study developed a DPC cell line by introducing mutant CDK4, Cyclin D1, and TERT, making it a promising tool to study downstream signaling pathways activated by testosterone in androgenetic alopecia.

This study found that human outer root sheath cells express VEGF receptor-2, and exogenous VEGF165 significantly stimulates their proliferation through activation of the ERK signaling pathway.

This study found that tdDPC-EVs significantly improved wound healing by enhancing angiogenesis through the KLF4/VEGFA axis, offering advantages over traditional DPC-EVs.

Adipose-derived stem cells can be transformed into hair-forming cells using specific extracellular vesicles, offering potential for hair regeneration therapies.

This study reports that eccrine sweat glands in mice predominantly develop on the footpads, offering a reference for skin research involving genetically engineered mice.

This study constructed a single-cell atlas of hair follicle cells from yaks and taurine cattle, revealing that differences in WNT signaling within dermal papilla cells may be key to the yak's adaptation to cold environments on the Qinghai-Tibet Plateau.

This study found that proteins secreted by early-passage dermal papilla cells, including SDF1, MMP3, biglycan, and LTBP1, may play significant roles in hair follicle regeneration.

This study found that lipid nanocarriers called squarticles, conjugated with an antibody, enhanced minoxidil uptake in dermal papilla cells, potentially improving alopecia treatments.

This study found that lncRNA-599547 positively regulates the expression of the Wnt10b gene by interacting with miR-15b-5p, enhancing the inductive property of dermal papilla cells in cashmere goats.

This article reviews advanced strategies for enhancing drug delivery to cutaneous stem cells to improve treatment for skin conditions and reports no new experimental findings.

In this study, researchers used single-cell RNA sequencing to map the hair follicle microenvironment in fine-wool sheep, identifying specific cell types and gene expressions that influence wool fiber diameter, with dermal papilla cells playing a significant role in hair follicle development.

In this study, researchers used yaks as a natural model to investigate hair growth mechanisms, overcoming previous limitations by establishing in vitro models of hair follicle-associated cells and optimizing methods for cell culture and differentiation.

This paper reviews the role of miRNAs in stem cell therapies and hair follicle growth, reporting no new findings but highlighting recent insights into fertility treatment and wound healing.

This review discusses the expanding applications of dermoscopy in dermatological diagnosis beyond its initial use for detecting dysplastic nevi and reports no new clinical results.

Thick scalp melanoma can be hard to diagnose because it often looks like other skin conditions.

In this case report, folliculitis decalvans with frontal fibrosing alopecia was observed in a patient with a dark phototype, highlighting the phenotypic spectrum of folliculitis decalvans and lichen planopilaris.

This article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.

In this study on fine-wool sheep, researchers found that overexpressing the TGFBR1 gene decreased proliferation of dermal papilla cells by influencing multiple signaling pathways, suggesting TGFBR1 as a negative regulator in hair follicle development.

This study found that miR-370-3p targets SMAD4 to inhibit cell proliferation, promote apoptosis, and affect the cell cycle in follicular papilla cells, demonstrating differences in their expression in sheep tissues, which may impact hair follicle development.

This study found that the lncRNA lncRNA2919 is involved in hair follicle regeneration by downregulating growth-related genes, inhibiting cell proliferation, and promoting apoptosis in rabbit dermal papilla cells.

In this study, researchers found that a cold atmospheric plasma-activated hydrogel containing interleukin-2 significantly enhanced hair regeneration in a depilated mouse model, promoting larger hair follicles and faster hair growth phase transition, suggesting it as a potential treatment for hair loss.

This study found that overexpressing FGF22 in dermal papilla cells enhanced hair follicle stem cell proliferation and viability, while its knockout reduced these attributes, indicating its role in hair follicle regeneration.

This study demonstrated that adipose derived stem cells nanovesicles enhanced hair growth and reduced sebum secretion in androgenetic alopecia, showing effects comparable to minoxidil in laboratory and mouse models.