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Stem cell niches support, regulate, and coordinate stem cell functions.

Radiation therapy with a higher dose for the brain improves survival in cerebellar medulloblastoma.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Chemotherapy-induced hair loss significantly affects patients' well-being, and nurses are key in helping them cope, but more research is needed to find effective treatments.

The document concludes that recognizing and treating cutaneous lupus erythematosus early is crucial for managing the skin and potential systemic symptoms.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

Hormone therapy is essential for transgender individuals but requires careful management due to possible metabolic effects.

Different types of polycystic ovary syndrome (PCOS) have varying severity, with Type I being the most severe and common.

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

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.

Tempol is safe and may prevent hair loss from brain radiotherapy.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Gene therapy with the Math1 gene helped regenerate balance-related cells and improve balance in mice.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Oxidative stress contributes to hair graying and loss as we age.

Surgery is the main treatment for liver hydatidosis, but has risks; albendazole is the most effective drug but can have side effects.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

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.

Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.

The conclusion is that the increasing use of drugs for lifestyle reasons is a complex issue influenced by corporate profit, consumer behavior, and the medicalization of everyday life, with potential negative effects on personal well-being.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.