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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.

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

Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Blocking a specific protein signal can make hair grow on mouse nipples.

R-spondins and their receptors help increase bone growth and may be used to treat bone loss diseases.

Selective Androgen Receptor Modulators (SARMs) are drugs that can control the effects of androgens in different tissues, potentially having fewer side effects and promising for treating various conditions.

Acne is caused by multiple factors including oil production, bacteria, inflammation, and possibly diet and environment.

New treatments for prostate cancer and BPH show promise, including novel compounds that target hormone synthesis and response.

The document concludes that regenerating functional ectodermal organs like teeth and hair is promising for future therapies.

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

Human skin can make serotonin and melatonin, which help protect and maintain it.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.

Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

Blood stem cells are diverse, influenced by many factors, and understanding them is key for progress in regenerative medicine.

In vivo lineage labelling is better than in vitro methods for identifying and understanding stem cells.

The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.

Healthy mitochondria in skin cells are essential for proper hair growth and skin cell interaction in mice.

Special proteins are important for skin balance, healing, and aging, and affect skin stem cells.

The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.

PPARγ is essential for maintaining healthy skin, controlling inflammation, and ensuring proper skin barrier function.

Eyelid cells share signaling components but differ in pathway activity.

Overactive Wnt signaling in mouse skin stem cells causes acne-like cysts and shrinking oil glands, which some treatments can partially fix.

Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.

Human sweat glands have a type of stem cell that can grow well and turn into different cell types.

Mice with a virus similar to COVID-19 had skin damage, but a special treatment helped repair it.

Different stem cells are key for hair growth and health, and understanding their regulation could help treat hair loss.

miR-29a-5p prevents the formation of early hair structures by targeting a gene important for hair growth and is regulated by a complex network involving lncRNA627.1.