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Auxin and ethylene hormones both work together and against each other to control plant growth.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.

The research found that different types of fibroblasts are involved in wound healing and that some blood cells can turn into fat cells during this process.

The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.

Air pollution worsens skin diseases and aging by causing inflammation and oxidative stress.

Stromal stem cells may help heal wounds by becoming structural cells or affecting the immune system, but more research is needed to understand how.

TRPA1 is crucial for mechanical sensitivity in skin sensory neurons.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

Mutations in the SRD5A3 gene cause a new type of glycosylation disorder by blocking the production of a molecule necessary for protein glycosylation.

Apoptosis is essential for human skin development and forming a functional epidermis.

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.

Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.

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

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Androgen deprivation therapy for prostate cancer can cause sexual, physical, and psychological side effects, and doctors should manage these carefully.

Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.

Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

Eph receptors and ephrins may be promising targets for treating diseases, but more understanding is needed for effective and safe therapies.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

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

Different types of skin cells play specific roles in development, healing, and cancer.

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

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.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Fungi-produced compounds can change plant root growth.