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Hair growth and development are controlled by specific signaling pathways.

Some skin medications are safe during pregnancy and breastfeeding, but others can harm the baby and should be avoided.

Omeprazole effectively treats severe acid reflux in children for short-term use, but long-term safety needs more research.

Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.

AXR3 and SHY2 genes control the growth and timing of root hair development in plants.

Cosmetic hair treatments like bleaching and dyeing reduce drug levels in hair samples.

A man with vitiligo and alopecia saw quick skin and hair improvement with ruxolitinib, but skin color gains were lost after stopping treatment.

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

Budesonide is not effective for maintaining remission in Crohn's disease beyond three months.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

Tributyltin exposure causes sex changes, sterilization, and decline in the snail Ocinebrina aciculata, risking its extinction.

Women with PCOS have heart-related issues not because of obesity, but due to insulin resistance and low adiponectin levels.

Scalp cooling might reduce hair loss from chemotherapy, but evidence is weak and other treatments are being tested.

Estrogen affects hair growth and skin cell multiplication.

The environment around the time of conception can change the VTRNA2-1 gene in a way that lasts for years and may affect disease risk.

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.

Prostate cancer was a major health issue in 2009, especially for Black men, and targeting the 5alpha-reductase enzyme could help in its prevention and treatment.

Minoxidil treats hair loss, promotes growth, has side effects, and has recent patents.

Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

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

Women with PCOS have a higher risk of diabetes and heart problems, especially when they get older.

Mice without the vitamin D receptor are more prone to UV-induced skin tumors.

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

5α-reductase inhibitors may prevent prostate cancer but could also raise the risk of more severe cancers.

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

Clobetasol propionate ointment can help some people with total hair loss regrow hair.

Cathepsin L is essential for normal hair growth and development.

Cancer cells often have more copies of TERT and TERC genes, which helps them grow and could affect patient outcomes.

Targeting the IL-23/IL-17 pathway effectively treats several inflammatory skin diseases.