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Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

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.

Scalp melanoma is more common and easier to diagnose early in people with androgenetic alopecia due to sun damage.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Hair in mammals likely evolved from glandular structures, not scales.

Hair follicles may help teach the immune system to tolerate new self-antigens, but this can sometimes cause hair loss.

The skin protects the body, regulates temperature, senses touch, and makes vitamin D.

CRISPR/Cas9 editing in spinach affects root hair growth by altering specific genes.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Hair shedding is an active process that could be targeted to treat hair loss.

The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.

Hoxc genes control hair growth through Wnt signaling.

The hair follicle pathway significantly affects how easily water-loving chemicals pass through the skin.

Certain RNA molecules are important for the development of wool follicles in sheep.

ILK is essential for proper hair follicle development and structure.

The research found that the molecule lncRNA-H19 helps hair follicle cells grow by affecting certain cell pathways in cashmere goats.

The research identified key molecules that help hair matrix and dermal papilla cells communicate and influence hair growth in cashmere goats.

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.

The hair follicle is a great model for research to improve hair growth treatments.

Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.

Understanding skin patterns can help us learn about skin diseases and their treatments.

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

Laser treatment can stimulate hair growth for male pattern hair loss.

Different processes create patterns in skin and things like hair and feathers.

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

Men with baldness have higher levels of specific proteins, suggesting local hormone production may play a role in hair loss.

Cells from certain embryo parts can induce head formation in another embryo, involving complex signaling pathways.

The document explains the genetic causes and characteristics of inherited hair disorders.