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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 document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.

RANK-RANKL signaling is essential for hair growth and skin health.

Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.

Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.

Chemokine signaling is important for hair development.

Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.

MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.

Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.

Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.

We need better ways to test and understand SARMs to make safer and more effective treatments.

A girl with Becker's nevus syndrome showed good improvement in breast development using spironolactone.

Researchers identified genes and proteins that may influence wool thickness in sheep.

Antiandrogens can treat female hormonal conditions, but environmental ones may harm reproductive health.

New drugs targeting the JAK-STAT pathway show promise for treating inflammatory skin diseases.

The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.

Understanding phenotypic plasticity is crucial for developing effective cancer therapies.

The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

Different types of stem cells and their environments are key to skin repair and maintenance.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Hidradenitis suppurativa may be related to hormones and patients often have metabolic disorders; more research is needed to understand this connection.

Finasteride and minoxidil are effective FDA-approved treatments for androgenetic alopecia.

Using neurohormones to control keratin can lead to new skin disease treatments.

New treatments for skin conditions related to the sebaceous gland are being developed based on current research.

Finasteride caused enlarged breast tissue in a 62-year-old man.

Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.