research Do Hair Bulb Melanocytes Undergo Apoptosis During Hair Follicle Regression (Catagen)?
Hair follicle melanocytes die during hair regression.
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780-810 / 1000+ resultsresearch Expression and Tissue Distribution Analysis of Angiotensin II in Sheep Skins Associated with White and Black Coat Colors
Angiotensin II is found at higher levels in black sheep skin and may influence coat color.
research Photobiomodulation for Skin Pigmentation Disorders: A Dual-Function Treatment
Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.
research Hair
Hair analysis can detect drug use but is costly and interpretation is complex.
research Influence of Pigmentation on the Codeine Content of Hair Fibers in Guinea Pigs
Darker hair in guinea pigs holds more codeine than lighter hair.
research Hair Pigmentation: A Research Update
Hair color is determined by different melanins and changes with age.
research P21Waf1/Cip1 Is Differentially Expressed in Epidermal Versus Follicular Melanocytes and Melanoma Cells and Is Phenotypically Regulated by UVB-Mediated Apoptosis
The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.
research Hair Repigmentation as a Melanoma Warning Sign
Hair turning darker can be a sign of skin cancer.
research Methods in Hair Research: How to Objectively Distinguish Between Anagen and Catagen in Human Hair Follicle Organ Culture
A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
research Mechanisms of Repigmentation Induced by Photobiomodulation Therapy in Vitiligo
Light therapy using helium-neon lasers can help restore skin color in vitiligo by promoting skin cell growth and movement.
research Transplantation of Melanocyte Stem Cells in Vitiliginous Skin
Transplanting melanocyte stem cells from hair follicles can effectively treat vitiligo.
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 Sensitive Quantitative In Vivo Assay for Evaluating the Effects of Biomolecules on Hair Growth and Coloring Using Direct Microinjections into Mouse Whisker Follicles
The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
research Major Approaches of Molecular and Physiopathological Mechanisms for Hormonal Treatment of Melasma: A Systematic Review
Estrogens and progesterone are key in regulating melasma pigmentation.
research Regulatory Mutations in TBX3 Disrupt Asymmetric Hair Pigmentation That Underlies Dun Camouflage Color in Horses
Mutations in TBX3 cause horses to have more even hair color instead of Dun camouflage.
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 A Study of the Histopathological Features of Alopecias on Transverse Sections of Scalp Biopsies
Transverse scalp biopsy sections help diagnose different alopecias by showing hair follicle details and inflammation patterns.
research A New Assessment Method of Vitiligo by Combination of Dermoscopy and Reflectance Confocal Microscopy
The new method combining dermoscopy and Reflectance Confocal Microscopy is more effective for evaluating vitiligo.
research Reversible Alopecia in Vogt-Koyanagi-Harada Disease and Sympathetic Ophthalmia
Alopecia can be reversed with timely steroid treatment in VKH and SO diseases.
research Topobiology of Human Pigmentation: P-Cadherin Selectively Stimulates Hair Follicle Melanogenesis
P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
research Comparison of the Efficacy and Safety of a Picosecond Alexandrite Laser and a Q-Switched Alexandrite Laser for the Treatment of Freckles in Chinese Patients
Both lasers are equally effective and safe for treating freckles.
research Rare Cutaneous Side Effects of Imiquimod: A Review on Its Mechanisms, Diagnosis, and Management
Imiquimod can cause rare skin side effects, some irreversible, and long-term follow-up is important for users.
research Nutritional Control and Treatment of Melasma in the COVID-19 Pandemic: A Concise Systematic Review
Diet and nutrients, including lycopene from tomatoes and hydroquinone from wheat, can help control melasma, a skin condition.
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 Molecular Regulation of Melanocyte Senescence
The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.
research Adam10 Haploinsufficiency Causes Freckle-Like Macules in Hairless Mice
A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.
research Melasma, A Photoaging Disorder
Melasma is now considered a skin aging disorder caused by sun exposure in people with a genetic tendency, which impacts treatment and prevention approaches.
research Molecular Heterogeneity of Quiescent Melanocyte Stem Cells Revealed by Single-Cell RNA-Sequencing
Different types of resting melanocyte stem cells have unique characteristics and vary in their potential to become other cells.
research Paracrine Crosstalk Between Human Hair Follicle Dermal Papilla Cells and Microvascular Endothelial Cells
Cells from the base of hair follicles help blood vessel cells survive and grow, which is important for healthy hair.
research Intralesional Betamethasone as a Therapeutic Option for Alopecia Areata
Betamethasone can effectively treat alopecia areata.