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Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.

The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.

PRP with microneedling is generally safe but can cause minor side effects like scalp itching, temporary hair shedding, and swollen lymph nodes.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

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.

Up to half of people experience itchy scalp, often due to skin conditions like seborrheic dermatitis or psoriasis, and treatments vary based on the specific cause.

Skin symptoms can indicate endocrine disorders and have various treatments.

Lasers are effective and safe for various medical treatments, including cancer, wound healing, and skin conditions.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Fat tissue-derived cells show promise for repairing body tissues, but more research and regulation are needed for safe use.

TRPA1 is crucial for mechanical sensitivity in skin sensory neurons.

The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

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

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

Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

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

Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.

Nuclear hormone receptors play a significant role in skin wound healing and could lead to better treatment methods.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

Blocking BMP signaling causes hair loss and disrupts hair growth cycles.