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New regenerative treatments for hair loss show promise but need more research for confirmation.

Different fish use the same genes to regrow teeth.

Skin can produce blood cells, often due to disease, which might lead to new treatments for skin and blood conditions.

The Wnt/β-catenin pathway is important for tissue development and has potential in regenerative medicine, but requires more research for therapeutic use.

Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.

Hair growth and development are controlled by specific signaling pathways.

Deleting MED1 in skin cells causes hair loss and skin changes.

Fibroblasts are crucial for tissue repair and inflammation, and understanding them can help treat fibrotic diseases.

The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.

Testosterone therapy for transmasculine individuals is generally safe with medical supervision, improves mental health, and has mixed effects on physical health.

Testosterone therapy seems safe and effective for transgender men with proper care, but more long-term research is needed.

The document concludes that while some organisms can regenerate body parts, mammals generally cannot, and cancer progression is complex, involving mutations rather than a strict stem cell hierarchy.

Hair and skin healing involve complex cell interactions controlled by specific molecules and pathways, and hair follicle cells can help repair skin wounds.

Obesity affects skin health, causing conditions like acanthosis nigricans and may require different treatment approaches.

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.

Androgen therapy can help with symptoms like low libido in women, but more research is needed to understand its long-term safety and effects on health.

A woman with anorexia and Cushing's syndrome improved after tumor removal, highlighting the need to consider hormonal issues in psychiatric conditions.

Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.

Finasteride doesn't affect bone density in male rats.

Finasteride doesn't affect bone density in male rats.

The document concludes that freeze-dried platelet-rich plasma shows promise for medical use but requires standardization and further research.

Air Vice-Marshal Sir Ralph Jackson significantly advanced dialysis technology in the UK.

Two rare genetic diseases cause severe rickets in children due to defects in vitamin D metabolism.

Intravital imaging helps us better understand stem cells in their natural environment and could improve knowledge of organ regeneration and cancer development.

Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.

Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Skin health and repair depend on the signals between skin stem cells and their surrounding cells.

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

DHT is a strong androgen that may pose less risk to the prostate compared to testosterone.