research Isolated patchy heterochromia with pili annulati features on light and electron microscopy
Isolated patchy heterochromia with pili annulati can occur without other health issues.
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810-840 / 1000+ results research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
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 Clinical repigmentation patterns in paediatric vitiligo
The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.
research Primary localized cutaneous amyloidosis presenting as pigmented papules over pinna
Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
research BIOCHEMICAL AND HISTOCHEMICAL STUDIES ON WHITE, BROWN AND BLACK SKIN REGIONS OF THE GUINEA PIG
Brown skin in guinea pigs has more ascorbic acid and related enzymes, black skin uses ascorbic acid well, and white skin has the most protein.
research Enhanced Differentiation Potential of Pigmented Human Epidermal Equivalents
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
research Phylloid terminal hair nevus: A unique clinical entity
A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
research The PER3 rs772027021 SNP induces pigmentation phenotypes of dyschromatosis universalis hereditaria
The PER3 rs772027021 SNP may cause mild skin pigmentation changes in a new subtype of dyschromatosis universalis hereditaria.
research Transgneic Endothelin 3 Regulates Murine Pigment Production and Coat Color
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.
research Expression and Analysis of TBX3 Gene in the Skin from Three Locations on Dun Mongolian Bider Horse
TBX3 gene affects horse coat color, with higher expression in darker areas.
research Automated quantitative analysis of coat and skin coloration in laboratory animals
A new algorithm accurately analyzes animal coat and skin colors quickly and easily.
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 Piebaldism in tree shrews
research Evolution in action: highlighting a role for the Agouti gene in development?
The Agouti gene influences pigmentation and may have a developmental role in deer mice.
research Oral Pigmentation as a Sign of Addison’s Disease: A Brief Reappraisal
Oral pigmentation can be a sign of Addison's disease.
research Role of Dermal Melanocytes in Cutaneous Pigmentation of Stasis Dermatitis
Melanin and melanocytes contribute to the brown pigmentation in stasis dermatitis.
research Melanotrichoblastoma: A Histopathological Case Report of a Rare Pigmented Variant of Trichoblastoma
A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
research 890 Development of pigmented reconstructed human epidermis model containing human melanoblasts from keratinocyte culture
The created skin model with melanoblasts improves the study of skin color and offers an alternative to animal testing.
research Histopathologic Findings of Cutaneous Hyperpigmentation in Addison Disease and Immunostain of the Melanocytic Population
The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
research Lentiginosis within plaques of linear atrophoderma of Moulin: a twin-spotting phenomenon?
The document suggests a rare skin condition might be caused by a genetic phenomenon.
research Giant pigmented tumour of the scalp—a diffuse neurofibroma or a congenital naevus showing neurofibromatous changes? Immunohistochemical and electron microscopic studies
The tumor likely shows dual neural crest differentiation.
research Extradermal melanin transfer? Lack of macroscopic spleen melanization in old C57BL/6 mice with de-synchronized hair cycle.
Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
research Repigmentation of leukoderma in a piebald patient associated with a novel c-KIT gene mutation, G592E, of the tyrosine kinase domain
A new gene mutation may allow some piebaldism patients to regain skin color in white patches.
research Piecing together the pigment-type switching puzzle
The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
research Developmental Genetics of Color Pattern Establishment in Cats
Gene expression, especially Dkk4, is key to cat color patterns.
research Spatiotemporal secondary hair follicle development in the Lanyu pig (Sus scrofa taivanus): a novel pelage hair follicle model
The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
research Dermoscopic Assessment of Pityriasis Versicolor: A Cross-Sectional Observational Study
Dermoscopic features can help identify and differentiate types of pityriasis versicolor.
research Pigmented Casts
Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
research Selection signatures of wool color in Gangba sheep revealed by genome-wide SNP discovery
Wool color in Gangba sheep is influenced by multiple genes and genetic mechanisms.