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MMP-2 and MMP-9 help hair grow, while their inhibitors peak when hair growth slows.

Hair growth and shedding are linked and can be disrupted, causing a delay known as the hair eclipse phenomenon, which is common in certain hair conditions and could lead to new treatments.

Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

Storing hair follicle micrografts for longer times can cause them to enter a state similar to the natural hair shedding phase, which might impact hair transplant results.

Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.

Basal cell carcinomas may differentiate similarly to hair follicles and could be influenced by hair cycle-related treatments.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.

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

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Etretinate treatment changed hair growth patterns in many patients.

Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.

Different melanocyte types in hair follicles either survive or die during the catagen phase.

Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.

Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

The conclusion is that accurate diagnosis of different types of hair loss requires careful examination of tissue samples and understanding of clinical symptoms.

Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.

Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.

ECM molecules are crucial for hair growth and development.

Notch-related genes play a key role in the development and cycling of hair follicles.

Hair and nails can help diagnose diseases, with nail issues often linked to skin conditions and hair loss having various causes and treatments.

Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.

Epidermal stem cells create and maintain skin structures like hair and nails through specific signaling pathways and vary by location and function.

Scientists found 53 keratin genes in yaks that are important for hair growth and share similarities with those in other animals.

Derinat may improve hair growth and quality of life in hair loss patients by reducing oxidative stress.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.