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Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.

Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

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

Finasteride may cause long-lasting sexual side effects.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

Turing patterns are now recognized as important in developmental biology.

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

Alopecia areata is likely caused by a combination of genetic factors and immune system dysfunction, and may represent different diseases with various causes.

Some people who recover from COVID-19 continue to have symptoms like fatigue and cough for over 120 days, and some experience hair loss about 59 days after getting sick.

Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.

Conditioned media from mesenchymal stem cell cultures could be a more effective alternative for regenerative therapies, but more research is needed.

BMP2 and BMP7 have opposite roles in feather formation.

Gynecologists should provide comprehensive care for transgender patients, including mental health evaluation, hormone therapy, and surgical options, while monitoring for side effects and ensuring patient safety.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

Vitiligo affects overall health and self-esteem, needing more research and awareness.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

The protein folliculin, involved in a rare disease, works with another protein to control how cells stick together and their organization, and changes in this interaction can lead to disease symptoms.