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Hair loss in men (androgenetic alopecia) is significantly linked to decreased scalp sensitivity, but not temperature sensitivity. More research is needed to confirm this. Comparing this hair loss to leprosy is unsupported and stigmatizing.

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.

Cathepsin L is essential for normal hair growth and development.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

The document concludes that secondary syphilis cases are increasing and often misdiagnosed, pityriasis rubra pilaris can be distinguished from psoriasis by skin cell features, and different skin layers produce specific components during skin repair.

Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.

Disrupting YAP signaling in skin cells leads to scar-free healing directed by specific cell signals.

The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.

Prednisone reduces organ mast cell infiltration but does not alter the abnormal appearance of mast cells in systemic mastocytosis.

Hair analysis is better than urine and blood for detecting past drug use.

Environmental factors can greatly reduce drug levels in hair.

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

New gene identification techniques have improved the understanding and classification of inherited hair disorders.

Choosing the right method to separate skin layers is key for good skin cell research.

Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.

Constant light exposure during pregnancy changes newborn rabbits' skin, affecting hair follicles, skin thickness, and pigment cells.

Wool follicles are complex, involving interactions between different cell types and structures.

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

Genetic research has advanced our understanding of skin diseases, but complex conditions require an integrative approach for deeper insight.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

Scientists developed a way to isolate sweat glands from the scalp during hair transplants, keeping them alive for 6 days for research and cosmetic uses.

Fat from the body can help improve hair growth and scars when used in skin treatments.

Scalp biopsy helps tell apart permanent and temporary hair loss types and guides treatment.

Dermatopathology has made significant progress but many skin diseases remain incurable, requiring ongoing research.

New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.

Advancements in hair follicle culture have led to better understanding and potential treatments for hair loss.

Light microscopy is useful for diagnosing different hair disorders.

A specific protein in chicken embryos links early skin layers to feather development.

The guide explains how to study human skin fat cells and their tissue, aiming to improve research and medical treatments.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.