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Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

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.

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

Janus kinase inhibitors are promising treatments for autoimmune skin diseases like eczema and psoriasis.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Restoring hair bulb immune privilege is crucial for managing alopecia areata.

Sensitive skin is often caused by nerve fibers and environmental factors, and can be managed with mild skincare and professional advice.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

FOXO1 is important for wound healing, but its dysfunction in diabetes can slow the healing process.

A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.

An imbalanced gut and lack of biotin can cause hair loss in mice.

European guidelines recommend regular eye and ear exams, skin care, vitamin D supplements, and cautious use of medications for managing congenital ichthyoses.

There are still challenges in diagnosing and treating chronic skin diseases, but there is hope for future improvements.

The document concludes that while there are promising methods to control CRISPR/Cas9 gene editing, more research is needed to overcome challenges related to safety and effectiveness for clinical use.

Skin fat plays a key role in immune defense and healing beyond just storing energy.

Different types of fibroblasts play various roles in both healthy and diseased tissues, and understanding them better could improve treatments for fibrotic diseases.

The document concludes that future heart disease research should account for sex-specific differences to improve diagnosis, treatment, and outcomes.

Genetic variations affecting skin structure play a key role in severe acne.

Autophagy is important for human hair growth and health.

The article suggests using four questions to tell apart necessary medicalization from excessive medicalization, focusing on problem significance, social expectations, medical understanding, and effective resolution.

Drug repurposing is a cost-effective way to find new uses for existing drugs, speeding up treatment development.

Women with PCOS have a higher risk of diabetes, heart problems, certain cancers, and mental health issues, but early treatment can help manage these risks.

Parkinson's disease is linked to skin disorders and skin cells help in studying the disease.

Certain fats in the skin help control inflammation and health, and changing these fats through diet or supplements might treat skin inflammation.

Cheonggukjang may help prevent and manage various diseases and improve overall health, but its odor and safety concerns need addressing.

The document concludes that certain mutations may contribute to the inflammation in hidradenitis suppurativa and suggests that targeting TNFα could be a treatment strategy.

Protein hydrolysates applied to roots or leaves differently improved lettuce yield and quality, with the best results seen in specific combined treatments for each type.

The Brazilian Society of Dermatology agrees that oral isotretinoin is effective for acne and other skin conditions, and it's safe when monitored, but more research is needed on dosing and duration.

Sebaceous glands play a key role in skin health, immunity, and various skin diseases.