research Hair follicle stem cells: Walking the maze
Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
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750-780 / 1000+ results research Hair cycle and hair pigmentation: dynamic interactions and changes associated with aging
As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
research Hair morphogenesisin vitro: formation of hair structures suitable for implantation
Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
research Generation and characterization of hair-bearing skin organoids from human pluripotent stem cells
Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.
research Keratinocyte Stem Cells but Not Melanocyte Stem Cells Are the Primary Target for Radiation-Induced Hair Graying
Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.
research Hair reduction: 48 months of experience with 800nm diode laser
An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.
research Grey hair: clinical investigation into changes in hair fibres with loss of pigmentation in a photoprotected population
Grey hair is wilder, drier, and less manageable than pigmented hair.
research CD133-positive dermal papilla-derived Wnt ligands regulate postnatal hair growth
Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
research Anatomy and Physiology of Hair
Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
research Sudden whitening of the hair in an 82-year-old woman: the ‘overnight greying’ phenomenon
An 82-year-old woman's hair turned white suddenly, likely due to a rare form of alopecia that targets pigmented hair.
research Canities subita: sudden blanching of the hair in history and literature
The true cause of hair suddenly turning white is still unknown.
research Effect of intense pulsed light treatment on human skinin vitro: analysis of immediate effects on dermal papillae and hair follicle stem cells
Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
research Exposure to gamma-rays at the telogen phase of the hair cycle inhibits hair follicle regeneration at the anagen phase in mice
Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
research The effects of gamma rays on the regeneration of hair follicles are carried over to later hair cycles
Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.
research Investigation of hair dye deposition, hair color loss, and hair damage during multiple oxidative dyeing and shampooing cycles.
Repeated dyeing and shampooing cause hair color loss and damage.
research The distribution of melanocytes and the degradation of melanosomes in fetal hair follicles
Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
research Improvement of Hair Graying during a Treatment of Male Pattern Hair Loss Using 1,927-nm Fractionated Thulium Laser Energy and Polydeoxyribonucleotide Injections
A treatment combining laser energy and injections improved hair loss and unexpectedly also reduced hair graying.
research A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
Researchers developed a new, precise method to measure hair loss in mice using image analysis.
research ABSENCE OF H2O2 BREAKDOWN IN HUMAN HAIR MEDULLA IMPLICATIONS IN FOLLICULAR MELANOGENESIS
Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
research PREMATURE HAIR GRAYING: FACTORS THAT CONTRIBUTE THE MECHANISMS OF THE PROCESS
Premature hair graying is caused by various factors and mechanisms.
research Morphological Changes of Human Hair Related to "Graying".
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
research The effect of flavonoids on regenerated hair follicles with pigmentation
Certain flavonoids can improve the growth of pigmented hair in mice.
research Localized Hair Repigmentation in a 91-Year-Old Woman
A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
research HAIR | Overview
The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
research Laser Hair Removal: A Review
In-office laser hair removal works well long-term, especially Nd:YAG for darker skin, but home devices need more testing.
research Pigmented Casts
Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
research Hair camouflage: A comprehensive review
Various hair camouflage options help people with hair loss improve appearance.
research Colourless side of the nude mutation: Foxn1 and hair pigmentation
Foxn1 is essential for hair pigmentation by directing pigment transfer to hair cells.
research Pathologic Quiz Case: Unexplained Hair Loss—1 Boy, 2 Cats, and 1 Dog
The boy had trichotillomania, causing hair loss, and treatment focused on habit reversal and support.
research Facial hyperpigmentation caused by pigmented demodicosis
Facial hyperpigmentation improved with oral isotretinoin and ivermectin cream after Demodex mites were identified as the cause.