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The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.

Wnt1/βcatenin signaling is crucial for heart repair after injury.

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

Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.

Wnt signaling helps heal injuries and could lead to new treatments.

Men have more severe COVID-19 outcomes than women.

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

Researchers created human hair follicles using a new method that could help treat hair loss.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Mammalian organs regenerate using stem cells and cell plasticity, but this ability declines with age.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

The peptide GHK-Cu helps heal and remodel tissue, improves skin and hair health, and has potential for treating age-related inflammatory diseases.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

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

Silver can help prevent and treat infections but its effectiveness varies and should be weighed against costs and side effects.

Hair follicle patterns form through a mix of self-organization and signaling interactions.

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

K_ATP channel gene mutations are linked to heart diseases, but more research is needed to understand the connection and treatment potential.

Higher levels of unbound testosterone are linked to increased insulin resistance, especially in women with polycystic ovary syndrome.

Feather patterns in birds are shaped by signaling interactions and cell movements, with EDA/EDAR crucial for pattern formation.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

Early detection and intensive treatment of diseases caused by Staphylococcus aureus toxins are crucial for reducing severe health effects.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

New single-cell analysis techniques are improving our understanding of stem cells and could help in treating diseases.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.