research Probing the Effects of Stress Mediators on the Human Hair Follicle
Stress-related substance P may lead to hair loss and negatively affect hair growth.
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research The Lysosomal Protease Cathepsin L Is an Important Regulator of Keratinocyte and Melanocyte Differentiation During Hair Follicle Morphogenesis and Cycling
Cathepsin L is essential for normal hair growth and development.
research Human Scalp Hair Follicles Are Both a Target and a Source of Prolactin, Which Serves as an Autocrine and/or Paracrine Promoter of Apoptosis-Driven Hair Follicle Regression
Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
research Dissecting the Impact of Chemotherapy on the Human Hair Follicle
Chemotherapy damages hair follicles, causing hair loss and other cellular changes.
research Prolactin and Its Receptor Are Expressed in Murine Hair Follicle Epithelium, Show Hair Cycle-Dependent Expression, and Induce Catagen
Prolactin affects hair growth cycles and can cause early hair follicle regression.
research P53 Involvement in the Control of Murine Hair Follicle Regression
The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
research Overexpression of Bcl-2 Protects from Ultraviolet B-Induced Apoptosis but Promotes Hair Follicle Regression and Chemotherapy-Induced Alopecia
Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.
research Involvement of the Edar Signaling in the Control of Hair Follicle Involution (Catagen)
Edar signaling is crucial for controlling hair growth and regression.
research Conversion of the Nipple to Hair-Bearing Epithelia by Lowering Bone Morphogenetic Protein Pathway Activity at the Dermal-Epidermal Interface
Blocking a specific protein signal can make hair grow on mouse nipples.
research Hair Counts in Scalp Biopsy of Males and Females with Androgenetic Alopecia Compared with Normal Subjects
AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
research Hyperplasia of Hair Follicles and Other Adnexal Structures in Cutaneous Lymphoproliferative Disorders
Hair follicle hyperplasia is common in both benign and malignant skin lymphoproliferative disorders, with a proposed new term "pseudolymphomatous adnexitis."
research Histopathology of Aging of the Hair Follicle
Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
research Sebaceous Gland, Hair Shaft, and Epidermal Barrier Abnormalities in Keratosis Pilaris with and without Filaggrin Deficiency
Keratosis pilaris is often linked to genetic mutations and causes skin and hair abnormalities, regardless of those mutations.
research Activation of the OVOL1-OVOL2 Axis in the Hair Bulb and Pilomatricoma
The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
research Quantitative Study of the Human Hair Follicle in Normal Scalp and Androgenetic Alopecia
Alopecia causes smaller hair follicles and affects growth-related structures.
research Bubble Hair
Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
research Cytokeratin 15 Expression in Central, Centrifugal, Cicatricial Alopecia: New Observations in Normal and Diseased Hair Follicles
CK15 is not a reliable marker for stem cells in damaged hair follicles from patients with CCCA.
research MiRNA Microarray Profiling in Patients with Androgenic Alopecia and the Effects of miR-133b on Hair Growth
miR-133b promotes hair growth and could be a potential treatment for hair loss.
research The Critical Roles of Serum/Glucocorticoid-Regulated Kinase 3 (SGK3) in Hair Follicle Morphogenesis and Homeostasis
SGK3 is essential for proper hair growth and health.
research Hair Follicle Disruption Facilitates Pathogenesis to UVB-Induced Cutaneous Inflammation and Basal Cell Carcinoma Development in Ptch+/- Mice
Damaged hair follicles make mice more prone to skin inflammation and skin cancer after UV exposure.
research Morphological Analysis of Patchy Thickening and Reddish Discoloration of Active Hair Growth Areas in the Skin of New Zealand White Rabbits
Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
research Differential Distribution of the Epigenetic Marker 5-Hydroxymethylcytosine in Hair Follicle Stem Cells During Bulge Activation
The marker 5-hmC changes in hair follicle stem cells when they start to grow.
research Hair Growth Promoting Effect of Thuja Orientalis Ethanol Extracts on Hair Loss-Induced DBA1J Mice
Thuja orientalis extract significantly promotes hair growth in mice with hair loss.
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 DNA Determination of Human Hair Bulbs in Normal and Androgenetic Alopecia
Hair loss happens due to faster cell growth and fewer cells in affected follicles.
research Hair-Growth Promoting Effect of Microneedle Roller Therapy
Microneedle roller therapy can help hair grow.
research Microtubule Associated Protein 2 Expression Defines the Companion Layer of the Anagen Hair Follicle and an Analogous Zone in the Nail Unit
MAP-2 is crucial for the structure of hair follicles and nails.
research Light Microscopic Hair Abnormalities in Children: Retrospective Review of 119 Cases in a 10-Year Period
Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
research A Comparative Study of Histopathologic Features in Alopecia Areata and Pattern Hair Loss
The study found certain scalp biopsy features can help tell apart alopecia areata from pattern hair loss even when typical immune cells are not seen.
research Neurogenic Inflammation in Stress-Induced Termination of Murine Hair Growth Is Promoted by Nerve Growth Factor
Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.