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Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

MDP hydrogel heals wounds faster and better than other treatments in diabetic mice.

Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

The extracellular matrix is crucial for controlling skin stem cell behavior and health.

Hydrogels could lead to better treatments for wound healing without scars.

Oral retinoids can cause side effects ranging from mild to severe, including birth defects, and require careful monitoring and contraception.

Apremilast may help treat hair loss in alopecia areata.

Chicken feather growth involves specific genes and shares similarities with hair development.

Baricitinib helps treat several diseases, including COVID-19, but has side effects and needs careful monitoring.

The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.

Blocking the prolactin receptor might help treat various diseases, but more research is needed.

Genetically-altered adult stem cells can help in wound healing and are becoming crucial in regenerative medicine and drug design.

Fibroblasts, cells usually linked to tissue repair, also help regenerate various organs and their ability decreases with age. Turning adult fibroblasts back to a younger state could be a new treatment approach.

SJS/TEN survivors often have severe, overlooked long-term physical problems that are not properly treated after leaving the hospital.

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.

The shape of fibrous scaffolds can improve how stem cells help heal skin.

Lysophosphatidic acid is important for skin health and disease, and could be a target for new skin disorder treatments.

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

Systemic retinoids are effective for psoriasis but have side effects; benefits may outweigh risks, especially when reducing cancer risks from other treatments.

Gelatin microspheres with stem cells speed up healing in diabetic wounds.

Leptin, a hormone from fat cells, affects immune responses and can influence skin diseases and hair growth.

Lanyu pigs show that partial-thickness wounds can partially regenerate important skin structures, which may help improve human skin healing.

SLE patients experience two patterns of non-inflammatory symptoms: intermittent and persistent.

PDRN, derived from salmon sperm, shows promise in healing wounds, reducing inflammation, and regenerating tissues, but more research is needed to understand its mechanisms and improve its use.

Keratin 26 affects cashmere goat hair growth and is influenced by various treatments.

Fat-derived stem cells can help protect and repair skin stem cells from aging caused by UV light.

Patients with HR+/HER2- advanced breast cancer commonly experience fatigue, hair loss, and pain, which significantly affect daily activities.

Breast implants are linked to autoimmune symptoms, with over half of patients feeling better after removal, but the exact cause is unclear and may involve bacterial biofilm.

Using A132 hair dye with sunlight can cause skin damage and hair loss.