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Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.

The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.

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.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

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

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Adult female acne treatment should be personalized, considering individual preferences and pregnancy, using various topical and oral medications while managing side effects and resistance.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Activating TRPV3 stops human hair growth.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

Different soft tissue fillers can cause various skin reactions; biodegradable fillers are safer and non-biodegradable ones like silicone can lead to long-term problems.

A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.

The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.

Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.

Turing patterns are now recognized as important in developmental biology.

Obesity increases the risk of developing polycystic ovary syndrome, and weight loss can improve the condition.

New methods for skin and nerve regeneration can improve healing and feeling after burns.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

The circadian clock influences the behavior and regeneration of stem cells in the body.

The document concludes that skin biopsies, genetic and environmental factors, and specific treatments are important in managing cutaneous lupus erythematosus.

Mercuric triflate is an effective catalyst for various organic reactions, working well at room temperature with high yields.

Fetal skin cells from a cell bank heal wounds faster and with less scarring than adult cells.

The p53 protein helps control hair follicle shrinking by promoting cell death in mice.

Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.

Advanced human skin models improve drug development and could replace animal testing.

Different types of facial fat affect aging and treatment outcomes; more research is needed to enhance anti-aging procedures.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

Shrinking skin cancer increases the chance of cancer in nearby lymph nodes.