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Keratins help protect cells, aid in cancer diagnosis, and influence cancer behavior and treatment.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.

Bimatoprost, a glaucoma medication, may also help treat hair loss.

The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.

Androgens prevent hair growth by changing Wnt signals in cells.

The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.

Changing the amount of PLC5 in Arabidopsis affects root growth and drought resistance, with less PLC5 slowing root growth and more PLC5 improving drought tolerance but hindering root hair growth.

A natural steroid in the body may protect against eye damage in glaucoma.

Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.

NcoA4 may have roles beyond helping control gene activity, possibly affecting cell behavior and stability.

Keratinocytes show more TGF-β system activity and collagen production as they age, which might affect wound scarring.

Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.

DHT affects bone growth by altering gene activity in osteoblasts, potentially complicating steroid use.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Nutraceuticals that promote hair growth do not reduce tamoxifen's effectiveness in breast cancer treatment.

Wound healing is complex and requires more research to enhance treatment methods.

Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.

Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.

The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.

Lysophosphatidic acid is important for skin health and disease, and could be a target for new skin disorder treatments.

Melatonin receptors, found in many body parts, can help treat various diseases like depression and diabetes due to their effects on inflammation, tumor progression, sleep disorders, and body mass regulation.

The vitamin D receptor has many roles in the body beyond managing calcium, affecting the immune system, hair growth, muscles, fat, bone marrow, and cancer cells.

We now understand more about what causes acne and this could lead to better, more personalized treatments.

Melatonin helps hair grow by activating a specific signaling pathway.

Activating Notch signaling can kill basal cell carcinoma cells.

Melasma's causes include genetics, sun exposure, hormones, and oxidative stress, and understanding these can help create better treatments.

BMPR1a-ECD reduces wrinkles much more effectively than retinoic acid.

Agmatine may help reduce seizures linked to hormone changes in female rats.

Hormones and signaling pathways control sebaceous gland function and could help treat acne.