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The immune system plays a key role in tissue repair, affecting both healing quality and regenerative ability.

Nerves are crucial for the regeneration of various body parts in many animals.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Testing basal 17-HP levels is a good way to screen for nonclassic adrenal hyperplasia in women with high androgen levels.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

Diagnosing PCOS in teenagers is challenging and should use strict criteria to avoid misdiagnosis and unnecessary worry.

PGD2 stops hair growth and is higher in bald men with AGA.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Targeted cancer therapies often cause serious skin problems that need careful management.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Shorter CAG repeats may cause hair and skin issues, while longer ones may link to acne.

Cancer treatments targeting specific cells and the immune system can cause skin, mouth, hair, and nail problems, affecting patients' quality of life and treatment adherence.

Zinc is effective for treating various skin conditions, including warts and acne.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

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

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Stress-related substance P may lead to hair loss and negatively affect hair growth.

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

Male pattern baldness involves genetics, hormones, and needs better treatments.

Using CDK inhibitors on rats showed a reduction in chemotherapy-caused hair loss, but later experiments could not repeat these results.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

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.

Patients with certain skin symptoms and high ANA titers should be monitored for potential systemic lupus.

Researchers developed promising agents for prostate cancer imaging, with the best one showing high potential for clinical use.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

The document concludes that accurate diagnosis of ichthyosis is crucial for treatment and genetic advice, and ongoing research is needed for better therapies.

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