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

The peach gene pCTG134 helps control the interaction between auxin and ethylene hormones during fruit ripening.

Hair follicles can be used to quickly assess drug effects in cancer treatment.

Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.

Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.

The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Estrogen and androgen signals control synaptic changes in rat brains.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

RNA from horse hair follicles can track circadian rhythms non-invasively.

Applying certain inhibitors to the skin can promote hair growth without harming cells.

Found 32 genes linked to male baldness, affecting hair growth and stress-related pathways.

Testosterone changes important cell communication proteins in pregnant rats' uteruses, which might affect pregnancy success.

The treatment effectively reduced hair growth and was safe for patients with PCOS, but it needs better bleeding control.

Hair loss from Telogen Effluvium can be managed by treating the underlying cause and may improve with treatments like minoxidil.

Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.

Wnt/beta-catenin signaling in the skin helps fat cell development during hair growth and repair.

The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

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

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

p63 is essential for activating and differentiating stem cells in the nose's olfactory tissue.

Skin stem cells help maintain skin health, grow hair, and heal wounds.

The document concludes that proper diagnosis and FDA-approved treatments for different types of hair loss exist, but treatments for severe cases often fail and future improvements may focus on hair follicle stem cells.

Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.

LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.

S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.

New LPA receptors (LPA4, LPA5, LPA6) have diverse roles in the body.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.