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The document explains how hair loss patterns in men and women, known as Androgenetic alopecia, are classified using the Hamilton-Norwood system for men and the Ludwig grade system for women.

Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.

Keratinocytes control how melanocytes work.

Levothyroxine effectively treated a dog's skin and hair problems caused by hypothyroidism.

Male hormones indirectly affect skin cell development by increasing growth factor levels from skin fibroblasts.

Pangolins have lost some skin-related genes, but kept others, showing complex skin evolution.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

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

Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.

FLRG and follistatin have different roles in wound healing.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

The research identified genes and pathways important for sheep wool growth and shedding.

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

A new method using visual aids to diagnose hair diseases was effective after brief training.

LGR5 and LGR6 are expressed differently in various skin tumors, which may offer clues about their origins.

Dermoscopy greatly improves melanoma diagnosis and reduces unneeded surgeries.

New biopsy techniques and tools improve alopecia diagnosis, and both too much and too little selenium can cause hair loss.

Pangolins have lost some skin-related genes, but kept others, leading to their unique scales and skin features.

Vav2 changes how hair follicle stem cells' genes work as they age, which might improve regeneration but also raise cancer risk.

PPARγ is essential for maintaining healthy skin, controlling inflammation, and ensuring proper skin barrier function.

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

UV exposure reduced hair shine in mice, but minoxidil helped restore it.

Protein tyrosine kinases are key in male pattern baldness, affecting skin structure, hair growth, and immune responses.

Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.

Hair can be damaged by daily routines, but protein-based products can protect and improve it.

Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.

PAI-2 helps in the maturation and protection of hair and nail cells.

As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.

Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.