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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.

Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.

Genetically-altered adult stem cells can help in wound healing and are becoming crucial in regenerative medicine and drug design.

Using neurohormones to control keratin can lead to new skin disease treatments.

Applying a DNA vaccine to skin with active hair growth boosts immune response and protection against anthrax in mice.

Researchers found a way to turn skin cells into cells that can grow new hair.

Certain mutations in the PADI3 gene may increase the risk of developing a type of scarring hair loss common in women of African descent.

Electric stimulation can increase hair growth by activating certain genes in skin cells.

Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.

The analysis of a large pilomatricoma revealed five distinct areas with different gene activity related to hair growth and tumor development.

Ginseng and Albizia extracts may help prevent age-related hair thinning.

Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.

Hair pattern in androgenetic alopecia overlaps with scalp and bone demarcations, with distinct gene profiles affecting susceptibility.

Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.

CTCF protein is essential for skin and hair follicle development in mice.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

Keratin from human hair helps nerves heal faster.

Growing human skin cells in a 3D environment can stimulate new hair growth.

Ruxolitinib effectively regrows hair in most patients with severe hair loss.

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.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Stem cells in hair follicles can become various cell types, including neurons.

Human hair follicles produce and respond to erythropoietin, helping protect against stress.

Lymphatic vessels are essential for hair follicle growth and skin regeneration.

Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.

People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.