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

Activin A increases inner ear hair cell development, while follistatin decreases it.

The document concludes that scalp health is influenced by complex factors affecting sebaceous glands, including hormones, aging, and various substances.

Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

Wound healing is a complex process involving different cells and stages, leading to scar tissue formation and strength increase over time.

Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.

A rare non-cancerous tumor that grows like hair was found in an unusual spot, the vulva.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

Androgens affect bone and fat cell development differently based on the cells' embryonic origin.

The Hairless gene is crucial for hair cell development, affecting whether skin cells become hair or skin and oil gland cells.

Different materials affect the growth of brain cells and fibroblasts, with matrigel being best for brain cell growth.

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

Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

The circadian clock influences the behavior and regeneration of stem cells in the body.

The research concluded that selection significantly shaped the genetic variation of the X chromosome, with certain regions affected by past selective events.

The research found that MRI and certain hormone levels can help tell apart ovarian tumors from hyperthecosis in postmenopausal women, but tissue analysis is still needed for a definite diagnosis.

Researchers found a safe and effective way to pick genetically modified skin cells with high growth potential using CD24.

Mutations in the androgen receptor gene cause Androgen Insensitivity Syndrome, affecting sexual development.

A new mutation in the XEDAR gene might cause a rare skin condition called hypohidrotic ectodermal dysplasia.

EGFR inhibitors can cause yellowish skin eruptions.

Ferrous Ferric Chloride may improve skin cell function and increase hair growth in mice.

The Dawn spacecraft found that Ceres has complex organic molecules and a lot of water ice, hinting it might support life.

The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.

Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.

GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.

JAGGED1 could help regenerate tissues for bone loss and heart damage if delivered correctly.