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Overexpressing ornithine decarboxylase and v-Ha-ras in keratinocytes leads to invasiveness and malignancy.

Hair follicle hyperplasia is common in both benign and malignant skin lymphoproliferative disorders, with a proposed new term "pseudolymphomatous adnexitis."

A rare case of a transplant patient developing a skin condition linked to HPV-49.

Examining many sections is key to correctly diagnosing hair follicle disorders.

A rare benign tumor was found in a man's scrotum, highlighting the need for accurate diagnosis.

Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

The research found that specific stem cells maintain skin gland openings and that disrupting their activity can cause blockages or early cancer signs, indicating a need for targeted treatments.

Melanocyte pathology requires keratinocyte hyperplasia and regulation dysfunction.

The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.

Rabbit hair follicle stem cells and nano silk fibers can create a tissue-engineered urethra.

Environmental cues can change the fate and function of epithelial cells, with potential for cell therapy.

Hair follicle bulge cells don't help skin regrow after glucocorticoid damage; interfollicular epidermis cells do.

Increasing EGR1 levels makes hair root cells grow faster.

Benign epithelial tumors in dogs don't spread or become cancerous.

Basal cell carcinomas in mice can start from hair follicle stem cells and other skin cell types, depending on signaling levels.

The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.

K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.

Canine hair follicles contain stem-like cells with high growth potential.

A specific signal from hair cells controls the tightening of the surrounding muscle, which is necessary for hair shedding.

Corneal cells can transform into hair-producing skin cells when exposed to certain signals.

UV light might cause excessive hair growth by increasing PGE2 in the skin.

Immortalized human dermal papilla cells were created that grow better and can still help form hair.

Prostaglandin helps regenerate hair follicles after radiation damage.

Immune-epithelial interactions are crucial for tissue repair, but unchecked can cause diseases.