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Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.

Excessive cell phone use may cause hair loss due to electromagnetic radiation.

High levels of cortisol in hair show long-term stress which can lower fertility in animals.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Mutant mice help researchers understand hair growth and related genetic factors.

Hoxc13 gene affects wool length in Gansu alpine fine-wool sheep.

Spironolactone improved cognitive performance and early sleep quality but not manic symptoms, appetite, or body weight in bipolar disorder when added to sodium valproate.

Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.

Activin A and follistatin control when hair cells develop in mouse ears.

Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.

Caspases are enzymes important for both cell death and various non-lethal cell functions, affecting head development and hair growth, with different caspases playing specific roles.

SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.

Genomic research can help improve the quality and production of natural fibers in animals.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.

Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.

Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Some sports supplements can cause health issues like mood swings, hair loss, and heart problems in men.

Nutrease powder, a high-protein, low-carb supplement, can help manage Polycystic Ovary Syndrome symptoms, regulate periods, improve ovulation, and restore fertility.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Probiotic bacteria improved skin and hair health in aged mice.

Eclipta alba extract may help hair grow similarly to Minoxidil.

Minoxidil boosts hair growth by activating PGHS-1.

The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.

Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.

Hair and nail changes can indicate health issues, including cancer and side effects from cancer treatments.