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Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

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

Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.

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

Noggin is necessary to start the hair growth phase in skin after birth.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

Androgens can both increase and decrease hair growth in different parts of the body.

Interferon alfa-2a is effective for treating cutaneous T cell lymphoma but has significant side effects.

Pregnancy can cause various skin changes and diseases, with PUPPP being the most common skin condition specific to pregnancy.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

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.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.

Sebocytes play a key role in controlling androgen levels in human skin.

Targeted cancer therapies often cause serious skin problems that need careful management.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Some herbal therapies may help with skin conditions, but more research is needed to confirm their safety and effectiveness.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.

Opioid painkillers can cause many side effects, including breathing problems and addiction, but are generally considered safe when used properly.

Some treatments can help with a hair loss condition called alopecia areata, but none ensure lasting results; choices depend on the person, with JAK inhibitors showing promise for severe cases.

The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.

Special fiber materials boost the healing properties of certain stem cells.

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.

Hair loss in men is common, treatable, but not curable.

New effective scar treatments are urgently needed due to the current options' limited success.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.