research Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy
Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
Search
for
Sort by
Research
450-480 / 1000+ results 
research Adipocyte Lineage Cells Contribute to the Skin Stem Cell Niche to Drive Hair Cycling
Fat-related cells are important for initiating hair growth.
research Molecular Principles of Hair Follicle Induction and Morphogenesis
Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
research Hair Follicle Pigmentation: Mechanisms and Factors Influencing Melanin Production
Hair color is determined by melanin produced and transferred in hair follicles.
research Molecular Dissection of Mesenchymal–Epithelial Interactions in the Hair Follicle
Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
research Characteristics of 60 Adult Chronic Hair Pullers
Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.
research Conditional Telomerase Induction Causes Proliferation of Hair Follicle Stem Cells
Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.
research Variations of Hair Follicle Size and Distribution in Different Body Sites
Hair follicle size and distribution vary significantly across different body sites.
research Minoxidil: Mechanisms of Action on Hair Growth
Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
research Nerve-Derived Sonic Hedgehog Defines a Niche for Hair Follicle Stem Cells Capable of Becoming Epidermal Stem Cells
Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.
research The Hair Cycle
The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
research Acidic and Basic Hair/Nail (Hard) Keratins: Their Colocalization in Upper Cortical and Cuticle Cells of the Human Hair Follicle and Their Relationship to Soft Keratins
Hair and nail cells share similar proteins, indicating a common differentiation pathway.
research SKPs Derive from Hair Follicle Precursors and Exhibit Properties of Adult Dermal Stem Cells
SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.
research Paracrine TGF-β Signaling Counterbalances BMP-Mediated Repression in Hair Follicle Stem Cell Activation
TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.
research Review of Hair Follicle Dermal Cells
Dermal cells are key in controlling hair growth and could potentially be used in hair loss treatments, but more research is needed to improve hair regeneration methods.
research Penetration Profile of Microspheres in Follicular Targeting of Terminal Hair Follicles
Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
research Beta-Catenin Activity in the Dermal Papilla Regulates Morphogenesis and Regeneration of Hair
β-catenin in the dermal papilla is crucial for normal hair growth and repair.
research The Use of Keratin Biomaterials Derived from Human Hair for the Promotion of Rapid Regeneration of Peripheral Nerves
Keratin from human hair helps nerves heal faster.
research Live Imaging of Stem Cell and Progeny Behavior in Physiological Hair-Follicle Regeneration
Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
research Videodermoscopy in the Evaluation of Hair and Scalp Disorders
Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.
research On the Etiology of Vitiligo and Gray Hair
Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.
research Mesenchymal–Epithelial Interactions During Hair Follicle Morphogenesis and Cycling
The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.
research Long-Term Renewal of Hair Follicles from Clonogenic Multipotent Stem Cells
Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
research Stress-Induced Production of Chemokines by Hair Follicles Regulates the Trafficking of Dendritic Cells in Skin
Hair follicles help attract immune cells to the skin during stress.
research Mitochondrial Reactive Oxygen Species Promote Epidermal Differentiation and Hair Follicle Development
Mitochondrial reactive oxygen species are essential for skin and hair development.
research Molecular Control of Epithelial-Mesenchymal Interactions During Hair Follicle Cycling
Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
research Autologous Platelet-Rich Plasma: A Potential Therapeutic Tool for Promoting Hair Growth
Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
research Coordinated Activation of Wnt in Epithelial and Melanocyte Stem Cells Initiates Pigmented Hair Regeneration
Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
research Microenvironmental Reprogramming by Three-Dimensional Culture Enables Dermal Papilla Cells to Induce De Novo Human Hair-Follicle Growth
Growing human skin cells in a 3D environment can stimulate new hair growth.
research Hair: The Most Sophisticated Biological Composite Material
The document reviewed the complex structure of hair, highlighting its hierarchical organization from α-keratin chains to intermediate filaments and ultimately to the fiber. It discussed the unique chemical properties of hair's morphological compartments, such as the hydrophilic/hydrophobic paradox, which contributed to its remarkable physical characteristics. The review was intended to provide insights for protein and polymer chemists, as well as biochemists studying the cytoskeleton and intermediate filaments, and offered a scientific foundation for advancements in hair cosmetics.