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Activin A and follistatin control when ear hair cells form in mice.

Minoxidil and 4-MA can help treat hair loss.

Activin A promotes ear hair cell development, while follistatin delays it.

CIP/KIP proteins help stop cell division and support hair growth.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Laser device increases hair density, safe for treating hair loss in men and women.

Type II keratins are uniquely phosphorylated during stress and mitosis, affecting their structure and function.

Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.

The guide explains how to study human and mouse sebaceous glands using various staining and imaging techniques, and emphasizes the need for standardized assessment methods.

Telogen effluvium is a hair loss condition with acute cases resolving quickly and chronic cases potentially lasting longer, sometimes requiring treatment.

A pulsed electrical field safely and effectively increased hair growth.

Male pattern baldness is an unintended side effect of the body's use of androgens for muscle growth, especially in those genetically prone to it.

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.

Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.

Mice that can regenerate tissue have cells that pause in the cell cycle, which is important for healing, similar to axolotls.

KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.

Bikunin is found on the cell boundaries of certain skin layers and may help regulate skin and hair functions.

Non-canonical Wnt signaling helps intestinal stem cells move to injury sites for tissue repair.

Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

Annurca apple extract may protect mouse hair from damage by chemotherapy and could help treat hair loss without promoting cancer growth.

The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.

Different types of stem cells and their environments are key to skin repair and maintenance.

Par3 protein is essential for skin cell balance and stability.

Some drugs can cause hair loss or growth, but hair usually returns to normal after stopping the drug.

Latanoprost can make eyelashes longer, thicker, and darker.

Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

Aminopterin was somewhat effective in acute lymphoblastic leukemia in children but did not increase survival time.