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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.

Pica disorder in central Iraq is mainly found in females and is linked to low iron levels; treatment with iron improves most patients.

Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.

Innate immunity genes in hair follicle stem cells might have new roles beyond traditional immune functions.

GDNF helps grow hair and heal skin wounds by acting on hair stem cells.

Zebrafish are useful for studying and developing treatments for human skin diseases.

Cells lacking the Bax protein can outcompete others, leading to better tissue repair and hair growth.

Melanocyte stem cells are crucial for skin pigmentation and have potential in disease modeling and regenerative medicine.

A new mouse model for vitiligo helps study immune responses and potential treatments.

Platelet-rich plasma (PRP) shows promise in skin and hair treatments but results vary with preparation methods.

Stem-cell therapy shows promise for skin conditions but needs more research.

Fibroblasts are crucial for tissue repair and inflammation, and understanding them can help treat fibrotic diseases.

Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.

Mutations in NIPAL4 cause skin issues by disrupting lipid layers, but some improvement is seen with topical treatment.

Low-dose radiation affects hair stem cell function and survival by changing their genetic material's structure.

The local environment is crucial for cell development in the tongue.

Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.

The research showed how melanocytes develop, move, and respond to UV light, and their stem cells' role in hair color and skin cancer risk.

Wound healing is greatly affected by the types of bacteria present, which can either help or hinder the process.

3D cell cultures are better for testing hair growth treatments than 2D cultures.

Kartogenin may help treat hair loss by promoting hair growth and extending the hair growth phase.

Mesenchymal stem cells show promise for treating various skin conditions and may help regenerate hair.

Personalized medicine in dermatology uses molecular biomarkers to improve diagnosis and treatment but needs further advancements for practical use.

Exosomes could improve skin and hair treatments but are limited by cost, production difficulty, and need for more research.

Type 3 Innate Lymphoid Cells help maintain skin health and balance, and are involved in skin diseases and healing.

Different types of skin cells and immune cells play a role in healing UV-damaged skin, with chronic UV exposure causing lasting damage to certain skin cells.

Different types of sun exposure can damage skin cells and affect healing, with chronic exposure being more harmful, and certain immune cells help in the repair process.

The method allows for 3D tracking of hair follicle stem cells and shows they can regenerate hair for up to 180 days.

Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.