research Umbilical keratinous cyst in a 7-year-old girl: A case report
A 7-year-old girl had a non-painful skin growth at her belly button, which was removed and identified as a keratinous cyst.
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30 / 1000+ resultsresearch Unusual Eyelid Dermal Keratinous Cysts of Pilosebaceous Origin
Two new types of eyelid cysts were identified, each with different treatment challenges.
research Proliferating trichilemmal cyst with histological malignant transformation: Identification of hair sheath keratins in the tumor.
A hair cyst can become cancerous, showing specific keratins from the hair sheath.
research Convergent Evolution of Cysteine-Rich Keratins in Hard Skin Appendages of Terrestrial Vertebrates
Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
research Clinicopathological features and expression of four keratins (K10, K14, K17 and K19) in six cases of eruptive vellus hair cysts
Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
research Hair Casts
Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
research Calcified Epidermal Cyst on the Neck
Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Eruptive Vellus Hair Cyst
Eruptive vellus hair cysts are harmless skin bumps that may go away on their own.
research Evolution of Trichocyte Keratins
Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
research Hair Keratins and Hair Follicle–Specific Epithelial Keratins
Hair and follicle keratins differ in structure and expression, especially in cysteine content.
research Key locations of oxidative damage in human hair keratins after heat and ultraviolet light exposure
Heat and UV exposure damage hair structure by altering keratins.
research Seborrheic Keratoses and Trichostasis Spinulosa
Seborrheic keratoses may partly come from hair follicle cells.
research Congenital atrichia with papular lesions: a rare cause of irreversible childhood alopecia
Congenital atrichia with papular lesions causes permanent hair loss in children.
research Atrichia congenita with papular lesions: A rare cause of pediatric alopecia
This rare genetic disorder causes permanent hair loss and skin bumps from birth.
research Trichoadenoma of the upper eyelid: case report and literature review
A woman's rare benign eyelid tumor was correctly identified through detailed tissue analysis.
research Multiple desmoplastic trichoepitheliomas with ossification and cholesterol deposition
A man had rare skin tumors with bone formation and cholesterol deposits.
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 321 Deletion of hypoxia-inducible factor prolyl 4-hydroxylase 2 in FoxD1-lineage mesenchymal cells leads to congenital truncal alopecia
Removing HIF-P4H-2 from certain skin cells in mice causes hair loss on the body but not the head.
research Proteomic tools for the investigation of human hair structural proteins and evidence of weakness sites on hair keratin coil segments
Hair proteins have weak spots in their α-helical segments.
research Single-cell transcriptomics defines keratinocyte differentiation in avian scutate scales
The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
research Human hair proteins as natural reactive oxygen species scavengers for in vitro applications
Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
research Human hair production by scalp samples grafted onto nude mice. Biochemical data on normal human hair and the genetic defect trichothiodystrophy
Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
research Hair: Worth its Weight in Gold!
Hair is culturally and economically valuable, and its weight is now used to measure the effectiveness of hair growth treatments.
research Structural features and sites of expression of a new murine 65 kD and 48 kD hair-related keratin pair, associated with a special type of parakeratotic epithelial differentiation
A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.
research The role of disulfide bond formation in the structural transition observed in the intermediate filaments of developing hair
Disulfide bonds are crucial for hair structure during keratinization.
research The susceptibility of disulfide bonds to modification in keratin fibers undergoing tensile stress
Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
research Human hair keratin gradient metallogel and their applications for wound healing
The research developed a human hair keratin and silver ion hydrogel that could help heal wounds.
research Monilethrix, a rare inherited hair shaft disorder in siblings
Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.
research Differentiation and Apoptosis in Pilomatrixoma
Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.