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Calcium signals and SHH guide the direction of feather growth in chicken skin.

Eating grape powder may reduce the severity of skin allergy symptoms.

New treatments for hair loss show promise, including plasma, stem cells, and hair-stimulating complexes, but more research is needed to fully understand them.

Tissue from dog stem cells helped grow hair in mice.

Melanoma risk tools need improvement, a gene mutation causes a hair disorder that might be treated by managing cell stress, a potential therapy for a skin-ear disorder involves blocking cell channels, skin wrinkling may indicate lung aging regardless of smoking, and oxidative stress might contribute to common baldness.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

Collagen VII helps skin heal and stay strong, sirolimus may lower skin cancer risk in kidney transplant patients, high-molecular-mass hyaluronan helps naked mole rats resist cancer, dermal γδ T cells aid in hair growth in rodents, and overexpression of IL-33 in mouse skin causes itchiness, offering a model for studying allergic inflammation treatments.

The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.

Myo-inositol supplements may improve insulin sensitivity and help with conditions like PCOS and gestational diabetes, but more research is needed.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Different types of skin cells play specific roles in development, healing, and cancer.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

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

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

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

Some medicinal plants can help heal wounds and may lead to new treatments.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

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

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.

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

PRP injections improve hair thickness for baldness.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

Treatments for melanin disorders exist, but more effective options needed.

Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.

Advanced hydrogel systems with therapeutic agents could greatly improve acute and chronic wound treatment.

Compartmentalized organization might be crucial for stem cells to effectively respond to growth or injury.

Conductive hydrogels show promise for medical uses like healing wounds and tissue regeneration but need improvements in safety and stability.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.