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Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.

Retinoic acid can change skin structures in vertebrates, like turning scales into feathers or hair buds into glands.

The Wnt/β-catenin pathway is important for body functions and diseases, and targeting it may treat conditions like cancer, but with safety challenges.

The JAK/STAT pathway is important in cell processes and disease, and JAK inhibitors are promising for treating related conditions.

Betacellulin helps blood vessel growth in wounds but delays hair growth.

Keratin proteins are essential for keeping the cells in the human colon healthy and stable.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Onychopapilloma likely originates from the nail bed, not the nail matrix.

Mouse amnion can turn into skin and hair follicles with help from certain cells and factors.

Oral retinoids are effective for severe skin conditions but require careful use due to side effects.

Retinoids are effective for skin conditions like severe acne and psoriasis but must be used with caution due to potential side effects and risks during pregnancy.

Oral retinoids are effective for treating severe skin disorders but have reversible side effects and risks for pregnant women.

Keratins are crucial for cell stability, wound healing, and cancer diagnosis.

Chemotherapy and cytokine therapy can cause various skin reactions, including hair loss and hypersensitivity.

Chemotherapy and radiotherapy can cause skin side effects like rashes, hair loss, and nail changes, which are usually managed with conservative treatments.

Deleting Smad4 and PTEN genes in mice causes rapid, invasive stomach cancer.

Deleting Smad4 and PTEN genes in mice causes rapid, invasive forestomach cancer.

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.

All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.

Hex gene plays a crucial role in starting feather development in chick embryos.

All-trans retinoic acid at high doses harms goat hair growth cells and could be bad for hair growth.

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

The dog's skin condition improved after removing a tumor that was causing hormone imbalances.

Inhibiting AP-1 changes skin tumor types and affects tumor cell identity.

Inhibiting AP-1 changes skin tumor types and affects tumor cell identity.

Minoxidil showed a 30% success rate for hair growth in a study, and various skin treatments were effective, but some had limitations or side effects.

A painless cheek lump was misdiagnosed but found to be a rare, benign skin lesion called pilomatrixoma, treatable by surgery.

Mammalian organs regenerate using stem cells and cell plasticity, but this ability declines with age.

Survivors of Stevens-Johnson syndrome/toxic epidermal necrolysis need ongoing care for various long-term health problems.

Hidradenitis suppurativa is caused by genetic factors, inflammation, bacteria, hormones, and lifestyle factors like obesity and smoking.