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The trichoscopy-assisted hair pull test is useful for diagnosing different types of hair loss.

Trichotillomania incognita can mimic hair loss patterns and requires careful diagnosis to avoid misdiagnosis.

GLABRA2 represses root hair formation by inhibiting a specific gene.

Low testosterone can cause a heart rhythm problem in men, but fixing it can prevent the issue.

Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.

TRPV1 helps regulate hair growth cycles.

Deleting the PTEN gene in mice causes nerve cells to grow larger and heal better after injury, but may cause overgrowth and hair loss in older mice.

Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.

Trichofolliculomas can sometimes be more aggressive than thought.

Triangular temporal alopecia can occur in adults and should be correctly identified to prevent misdiagnosis.

A rare skin condition usually on the face was found on a man's heel.

A dog had a rare skin tumor called desmoplastic tricholemmoma.

Intu gene is crucial for hair follicle formation by helping keratinocytes differentiate through primary cilia.

Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.

Trichoscopy is useful for diagnosing hair-pulling disorder.

Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.

Canine circumanal glands develop from hair follicle sheath cells, not sebaceous glands, and lack exocrine ducts.

The MTR gene affects wool quality and production in Chinese Merino sheep.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Progesterone affects GABA_A receptor function by altering δ subunit levels.

A woman's hair loss improved after removing a tumor in her thymus gland, suggesting hair loss can be linked to such tumors even without a specific muscle weakness condition.

Regulatory T cells are essential for normal and improved wound healing in mice.

Scalp Threading is a promising new treatment for hair loss that may work better than current options.

A sugar glider had a rare skin cancer that worsened despite treatment, highlighting the need for thorough checks in exotic pets.

A person had two different benign skin tumors, a trichoadenoma and melanocytic naevi, at the same time but in different places on the face.

Monitoring TGF-β and linc-PINT expression may help identify and treat high-risk heart arrhythmia patients.

Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.

LGR5 is a marker found in hair follicle stem cells in various species and is important for hair growth and skin repair.

Benign skin adnexal tumors are more common than malignant ones, with trichoepithelioma and chondroid syringoma being the most frequent types.

Researchers found key regions in the mouse hairless gene that control its activity in skin and brain cells, affecting hair follicle function.