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Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.

The document concludes that regenerating functional ectodermal organs like teeth and hair is promising for future therapies.

Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.

Scientists successfully created fully functional hair follicles using bioengineering methods and stem cells.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Scientists have made progress in growing mini-organs and regenerating parts of the skin, with plans to treat hair loss in a future trial.

Scientists are using clumps of special stem cells to improve organ repair.

Cell transplantation faces challenges in genitourinary reconstruction, but alternative tissue sources and microencapsulation show promise.

Scientists made working hair follicles using stem cells, helping future hair loss treatments.

The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.

Skin and hair can help us understand organ regeneration, especially how certain stem cells might be used to form new organs.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Scaffold-based strategies show promise for regenerating hair follicles and teeth but need more research for clinical use.

Bioengineered salivary glands in mice can produce saliva when tasting sour or bitter, but have different protein levels and nerve signals compared to natural glands.

New treatments for diabetes, central nervous system repair, and cartilage injury were found, and a way to create functional hair follicles from stem cells was developed.

Scientists created a functional 3D skin system from stem cells that can be transplanted into wounds.

Regenerative pharmacology, which combines drugs with regenerative medicine, shows promise for repairing damaged body parts and needs more interdisciplinary research.

Hair follicle regeneration possible, more research needed.

Scientists have developed a new method using stem cells to grow and transplant hair follicles, which could be useful for hair regeneration treatments.

Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Mesenchymal stem cells show promise for treating various skin conditions and may help regenerate hair.

Host cells are crucial for the maturation of reconstructed hair follicles.

The new microwell device helps grow more hair stem cells that can regenerate hair.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Adding hyaluronic acid helps create larger artificial hair follicles in the lab.

The review concludes that innovations in regenerative medicine, tissue engineering, and developmental biology are essential for effective tissue repair and organ transplants.

Bioprinting could greatly improve health outcomes but faces challenges like material choice and ensuring long-term survival of printed tissues.

Hormone replacement therapy may lower the risk of severe COVID-19 outcomes in non-immunosuppressed people and male organ transplant recipients.