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Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.

Neurotrophin-4 increases calcium current in specific mouse neurons through the PI3K pathway.

Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.

Steroid sulfatase is important for activating hormones that affect memory, brain function, and certain diseases, and could be a target for treating hormone-related disorders.

Hair can accurately predict iron levels in cattle muscle, helping diagnose mineral imbalances.

Alopecia Areata causes significant structural and compositional changes in hair.

The skin's basement membrane has specialized structures and molecules for different tissue interactions, important for hair growth and attachment.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Certain short peptides can increase root hair growth in tobacco plants.

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

3D cell-derived matrices improve tissue regeneration and disease modeling.

The local environment is crucial for cell development in the tongue.

Hydrogel composites have great potential in regenerative medicine, tissue engineering, and drug delivery.

Ptch2 plays a key role in controlling stem cell function and the ability to regenerate after birth.

The document concludes that the androgen receptor's structure and function are complex, affecting how it regulates genes and is involved in diseases like prostate cancer.

Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.

Peps help Arabidopsis plants grow more root hairs by affecting specific genes and calcium signaling.

3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.

Thermoresponsive nanogels show promise for delivering medicine through the skin but need more safety testing and regulatory approval before clinical use.

Keratin 79 is linked to liver damage and may help diagnose liver diseases.

Calcium is important for stem cell function and maintenance, especially in blood and skin cells.

Advancements in nanoformulations for CRISPR-Cas9 genome editing can respond to specific triggers for controlled gene editing, showing promise in treating incurable diseases, but challenges like precision and system design complexity still need to be addressed.

TSH is usually the only test needed to check thyroid function in primary care.

Shift work disrupts the body's natural clock, leading to health problems.

The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.

Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.

Aging reduces the ability of human hair follicle cells to form new cell colonies.

The document concludes that skin aging in women can be caused by UV exposure and hormonal changes, and treatments like hormone replacement therapy and various skin therapies can help.

Women with PCOS have a higher risk of metabolic syndrome and need lifestyle changes and treatment.

Retinoic acid is not linked to hair loss from fluconazole use.