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This article reviews the stages and regulation of the hair cycle, highlighting molecular regulators involved, but it does not present new research findings.

This review summarizes the major events and regulators of the hair cycle in mammals but reports no new experimental results; it emphasizes the complex regulation of stem cell activation and differentiation during hair growth.

This review discusses circadian clock regulation in stem cells and its role in processes like neurogenesis, but reports no new results; the authors emphasize its significance in stem cell function across various tissues.

This review suggests that combining microneedling with growth factors may significantly stimulate eyebrow growth by promoting new hair follicle formation and improving cellular processes.

This study found that p21 is much more highly expressed in normal melanocytes compared to melanoma cells, suggesting a potential target for preventing melanoma progression through cell cycle repair processes.

This review summarizes fundamental concepts and recent advancements in hair follicle biology, including insights from mouse models into broader molecular and cellular processes relevant to regeneration and development.

This study discovered that a network controlled by the gene p63 is crucial for keratinocyte differentiation and is linked to MYC through cell adhesion-related pathways.

This study found that circadian clock genes are involved in regulating the hair growth cycle, suggesting a connection between daily rhythms and the longer hair follicle cycling process.

This study identified the placenta at the base of the ovary as the origin of poplar seed hair development and detailed transcriptome dynamics during the growth process.

This study found that Thy1+ keratinocytes in the basal layer of the interfollicular epidermis play a crucial role in epidermal homeostasis and wound repair, with their ablation impairing these processes.

This study identified differentially expressed microRNAs between back and belly skin in Rex rabbits, highlighting their potential roles in skin development processes.

In this study, UVB irradiation of organ-cultured human anagen hair follicles in vitro reduced hair elongation and increased cell death, affecting hair growth and regulatory processes.

This study found significant differences in gene expression between newborn and adult skin, with infant skin notably increasing processes related to ECM organization, cell adhesion, and collagen fibril organization.

This review discusses the mechanisms of skin-associated cell death and their potential role in treating inflammatory skin diseases, but presents no new clinical findings.

This study suggests that PDCD4 regulates keratinocyte proliferation and contact inhibition, playing a role in epidermal homeostasis and wound healing.

This review assessed experimental studies on herbs used for alopecia, identifying potential mechanisms involving hair cycle management and keratinocyte processes, but highlighted a need for improved evidence on quality control and toxicity of these herbal treatments.

In this study, researchers found that the thyroxine receptor agonist TDM10842 accelerated the onset of anagen, a hair growth phase, in C3H mice, potentially through activation of the Wnt/beta-catenin and Hedgehog pathways, with Pclaf playing a key role in this process.

This chapter reviews signaling pathways related to androgenic alopecia in dermal papilla cells of balding human scalps, integrating published information and analysis of molecular interactions, without reporting new clinical results.

This study investigated protein expression changes during mouse hair follicle cycles and suggested their involvement in biological networks, potentially identifying targets for hair disease therapy.

This review examines the roles of Hyaluronic Acid and Versican in the skin extracellular matrix and reports no new research findings, highlighting their involvement in processes like differentiation and wound healing.

This paper proposes that the induction of HF-specific neo-antigens by peripheral CD8+ T cells may maintain self-tolerance but could also lead to immunopathology in conditions like alopecia areata.

In their research, Yucel and colleagues found that CaV1.2 is expressed in hair follicle stem cells, facilitating anagen re-entry in a way not dependent on calcium flux.

This study observed that during the rat hair cycle, DNA synthesis in dermal cells peaks during a specific growth stage, suggesting a coordinated metabolic activity with potential implications for alopecia areata research.

This review discusses recent advances in hair follicle research, highlighting therapeutic and cosmetic applications, but reports no new study results.

This study reported that EGFR activation leads to suppression of Stathmin, which may promote synchronized entry into catagen in hair follicles, highlighting potential mechanisms involving EGFR in hair cycle transitions.

This study identified 417 genes with differential expression at varying stages of cashmere growth in goats, highlighting their potential role in tissue remodeling and cashmere regeneration.

This study found that porcine platelet-rich plasma can be a commercially viable replacement for fetal bovine serum with similar effectiveness in promoting human hair follicle cell growth.

This study found that dermal papilla cells in human hair follicles exhibit stronger expression of VEGF mRNA and protein compared to other follicular cells, suggesting their key role in angiogenic processes related to hair growth.

This study demonstrated that cryogelation of human hair keratin allows the development of 3D scaffolds with tunable properties, supporting cell adhesion and proliferation for potential biomedical applications.

This review discusses common hair loss conditions and explores how advancements in hair follicle biology might lead to more effective treatments but reports no new results.