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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.

Dermal papilla cells help wounds heal better and can potentially grow new hair.

Injecting follicular cells into skin can lead to the formation of new hair follicles.

Lambs' skin showed similar but more severe responses to a second orf virus infection, involving immune cells and new skin formation.

A woman with lupus experienced skin death due to a blood clotting disorder after stopping a blood thinner, which healed with treatment.

The new nanofiber improves wound healing by releasing growth factors, reducing inflammation, and helping skin regeneration.

The new nitric oxide delivery system may effectively treat hair loss by improving hair follicle health and reducing inflammation.

A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.

The conclusion is that certain scalp tissue changes are characteristic of lichen planopilaris, with mucinous perifollicular fibroplasia being a new feature for diagnosis.

Two drugs, finasteride and minoxidil, are approved for hair loss treatment, but new therapies are being developed.

Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.

D-OCT shows increased blood vessel growth in response to tissue damage in Frontal Fibrosing Alopecia and is useful for diagnosis and monitoring.

Human skin can be reconnected to nerves using stem cells, which may help with skin health and healing.

COVID-19 can cause skin issues like "COVID toes," rashes, hair loss, and hand eczema, and dermatologists are important for recognizing these signs.

Platelet-rich plasma helps in skin healing, scar repair, and may boost hair growth in alopecia.

Rosacea is a skin condition with unclear causes, classified into four subtypes.

Mast cells and the CB1 receptor may be key in causing IgA vasculitis.

The paper suggests that hair loss might be caused by skull growth, not just DHT's effect on hair follicles, and calls for more research.

Trichoscopy is a useful tool for diagnosing different hair and scalp diseases by their unique visual features.

Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.

Male pattern baldness is linked to higher levels of a certain receptor in the scalp, which leads to the shrinking of blood vessels and hair loss. Early treatment targeting this receptor could be more effective.

Two new signs, 'signet ring vessels' and 'hidden hairs,' help tell apart scalp psoriasis and seborrheic dermatitis.

Guasha changed rat skin appearance and blood vessels temporarily without affecting certain nerve proteins or fiber structure.

Cromakalim relaxes various blood vessels, while minoxidil sulphate is more selective; they likely act on different potassium channels.

The new patch made of cell matrix and a polymer improves wound healing and supports blood vessel growth.

FOL-026 peptide can help repair blood vessels and promote growth, offering potential treatment for vascular diseases.

Skin lymphatic vessels are essential for hair growth.

Estrogen helps prevent artery plaque by stopping monocyte capture in blood vessels.

Blood-derived CD34+ cells speed up healing, reduce scarring, and regrow hair in skin wounds.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.