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Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.

Compound 3 protects the heart from damage by activating A1-adenosine receptors.

The document concludes that the discussed biological mechanisms and potential therapies are not related to hair loss or hair growth.

A 645-nm diode laser effectively penetrates swine soft tissues, suggesting predictable therapeutic effects.

Wnt3a protein, when packed in liposomal vesicles, can stimulate hair growth and could potentially treat conditions like hair loss.

Mathematical modeling can improve regenerative medicine by predicting biological processes and optimizing therapy development.

The study developed a method to analyze ancient hair proteins using very small samples.

Cobalt is important for health but too much or too little can cause health problems, and its environmental buildup is a concern.

The Wnt/β-catenin pathway is important for body functions and diseases, and targeting it may treat conditions like cancer, but with safety challenges.

Researchers developed new compounds that target the androgen receptor effectively with fewer side effects.

Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.

Adult offspring of sperm donation generally feel positive about their conception and view the donor as their biological father.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Akebia quinata and Akebia trifoliata have many health benefits and potential medical uses.

Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.

The research explains how a human enzyme binds and processes its substrate, which could relate to its role in biological functions and hair loss.

Keratin gene expression helps understand different types of skin cells and their development, and should be used carefully as biological markers.

Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

Some Chrysanthemum samples from the USA, Europe, and China differ in quality and some contain harmful cadmium.

Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.

New tests detect finasteride and dutasteride in urine quickly and easily.

5α-reductase inhibitors can interfere with doping tests by masking banned substances.

Elastic Net DNA methylation clocks are inaccurate for predicting age and health status; a "noise barometer" may better indicate aging and disease.

MicroRNAs are crucial in controlling cell signaling, affecting cancer and tissue regeneration.

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.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.

The research concluded that selection significantly shaped the genetic variation of the X chromosome, with certain regions affected by past selective events.

The document concludes that more research is needed to fully understand the causes of PCOS.