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Some hair loss disorders cause permanent loss due to scarring, and treatments like steroids don't always work well.

Two mouse mutations cause similar hair loss despite different skin changes.

Lichen planopilaris can be accurately diagnosed and effectively treated.

Hydroxychloroquine is less effective than betamethasone oral mini pulse therapy for treating alopecia areata.

Some medications can cause hair loss, and it's important to track when the hair loss starts after taking a new medication.

Betacoronaviruses, like COVID-19, may cause hormone system dysfunction and affect disease susceptibility and severity.

Detailed patient history and physical exams are crucial for diagnosing hair loss.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Understanding developmental pathways can improve wound healing treatments.

Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Stromal stem cells may help heal wounds by becoming structural cells or affecting the immune system, but more research is needed to understand how.

Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

Understanding different species' regeneration can improve mammalian healing.

The immune system plays a key role in tissue repair, affecting both healing quality and regenerative ability.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Different types of skin cells play specific roles in development, healing, and cancer.

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

New effective scar treatments are urgently needed due to the current options' limited success.

Isotretinoin is highly effective in treating severe acne, rosacea, and gram-negative folliculitis.

Mammalian organs regenerate using stem cells and cell plasticity, but this ability declines with age.

Aging causes skin stem cells to work less effectively.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Fat cells in the skin help start healing and form important repair cells after injury.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.