research The color of human hair
Human hair color is determined by melanin types and genetic factors.
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research Zinc deficiency or genetic mutations?—A case report of hair heterochromia in the context of MC1R genetic mutations
A boy's hair turned red because of genetic mutations, not lack of zinc.
research The color of human hair
Hair color is determined by melanin types and gene activity.
research Intragenic deletion in the Desmoglein 4 gene underlies the skin phenotype in the Iffa Credo “hairless” rat
A gene deletion causes the "hairless" trait in Iffa Credo rats.
research Identification of the Rat Rex Mutation as a 7-bp Deletion at Splicing Acceptor Site of the Krt71 Gene
A gene mutation causes curly hair and hair loss in rats.
research 46, XY 5-Alpha Reductase Deficiency in a 36-Year-Old Phenotypic Female Patient
A 36-year-old person with a female appearance but male chromosomes was diagnosed with a rare enzyme deficiency affecting sexual development.
research Mode of redifferentiation and melanogenesis of melanocytes in mouse hair follicles
research Skin fairness, not the hair redness is responsible for impaired physical and mental health of red hair subjects: Possible role of vitamin D deficiency
Fair skin, not red hair, affects health due to possible vitamin D deficiency.
research BH21 Segmented heterochromia with calibre change: an under-recognized sign of alopecia areata
Segmented hair color changes can indicate active alopecia areata.
research Pinkie, the First Viable Germline Hypomorph Allele of Retinoid X Receptor Alpha, Reveals an Important Role for RXRa in Th2 Development.
RXRa is crucial for Th2 immune cell development and may link nutrition to immune health.
research Repigmentation of hair following adalimumab therapy
A patient's grey hair regained color during treatment with adalimumab.
research The Hairless Phenotype of the Hirosaki Hairless Rat Is Due to the Deletion of an 80-kb Genomic DNA Containing Five Basic Keratin Genes
Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.
research Autosomal recessive woolly hair syndrome: a series of eight patients in an Indian population
Autosomal recessive woolly hair is rare and involves tightly coiled hair without other health issues.
research A function for Rac1 in the terminal differentiation and pigmentation of hair
Rac1 is essential for proper hair structure and color.
research The redox - biochemistry of human hair pigmentation
Human hair color is influenced by complex biochemical processes involving enzymes and reactive oxygen species.
research TRPS1 mutation associated with trichorhinophalangeal syndrome type 1 with 15 supernumerary teeth, hypoplastic mandibular condyles with slender condylar necks and unique hair morphology
A person with a specific gene mutation had extra teeth, unique jaw and hair features not seen before in this condition.
research Familial aggregation of phenotypic expression of premature hair hypopigmentation in the craniofacial region
Premature hair graying in the face may be influenced by genetics and environment.
research Association Between Natural Hair Color, Race, and Alopecia
Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.
research The lanceolate hair rat phenotype results from a missense mutation in a calcium coordinating site of the desmoglein 4 gene
A gene mutation causes lanceolate hair in rats by disrupting hair shaft integrity.
research Disruption of P2RY5, an orphan G protein–coupled receptor, underlies autosomal recessive woolly hair
Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
research Local Actions of Thyrotropin-Releasing Hormone Regulate Hair Color
TRH in hair follicles can influence hair color by increasing melanin.
research EXPRESSION OF HLA-DR IN HAIR FOLLICLES IN ALOPECIA AREATA
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 A novel mutation in Hr causes abnormal hair follicle morphogenesis in hairpoor mouse, an animal model for Marie Unna Hereditary Hypotrichosis
A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research A rare pediatric case of loose anagen hair syndrome
research The biochemical and phenotypic characterization of females homozygous for 5 alpha-reductase-2 deficiency.
Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
research Dermatopathia pigmentosa reticularis: A rare reticulate pigmentary disorder
Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
research Multi-ancestry tandem repeat association study of hair colour using exome-wide sequencing
Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
research A Microscopic Study of the Hair of the Rabbit, with Special Reference to its Form of Cross-section and Granular Pigmentation
Rabbit hair color is influenced by the shape and distribution of pigment granules.