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Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

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.

Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.

Muscles and nerves that cause goosebumps also help control hair growth.

Hair grays due to oxidative stress and fewer functioning melanocytes.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Technique creates 3D cell spheroids for hair-follicle regeneration.

A special dressing called FEA-PCEI can speed up wound healing, reduce scars, and help grow new hair follicles, but only at the right dosage.

Light can turn on hair growth cells through a nerve path starting in the eyes.

Androgens increase a growth factor in hair cells by creating reactive oxygen species, and antioxidants might help treat hair loss.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

Androgens prevent hair growth by changing Wnt signals in cells.

Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.

Modified rat stem cells on a special scaffold improved blood vessel formation and wound healing in skin substitutes.

Hoxc genes control hair growth through Wnt signaling.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

Non-coding RNAs play key roles in the hair growth cycle of Angora rabbits.

Activating NRF2 might help treat hair disorders by improving antioxidant defenses.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.

Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.

Hormonal changes after childbirth and menopause can lead to women's hair loss and facial hair growth, with a need for better treatments.

Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.