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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.

Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Growth factors and cytokines are important for hair growth and could potentially treat hair loss, but more research is needed to overcome challenges before they can be used in treatments.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

The circadian clock is crucial for tissue renewal and regeneration, affecting stem cell functions and having implications for health and disease.

Growth factors are crucial for hair development and could help treat hair diseases.

Targeted cancer therapies often cause skin reactions, so dermatologists must manage these effects.

Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

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

Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.

The balance between androgen receptor and p53 is crucial for sebaceous gland differentiation.

The silk fibroin-based hydrogel shows promise for treating melanoma and healing infected wounds by killing tumor cells and bacteria, and supporting skin recovery.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

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.

Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.

Some medications can cause acne, and stopping these drugs is the main treatment.

Some natural compounds may help overcome drug resistance in certain cancers, but more research is needed.

Autophagy is important for human hair growth and health.

Neurosteroids change how GABA_A receptors work in the brain, which could be important for treating temporal lobe epilepsy.

The conclusion suggests that prostate cancer should be classified by castration status and that new therapies targeting androgen receptor signaling show promise.

Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.

Existing drug dexamethasone may lower death risk in severe COVID-19 cases; more research needed for other drugs.

Scalp cooling is the most effective FDA-approved method to prevent chemotherapy-induced hair loss, but more research is needed for other treatments.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Acne is significantly influenced by genetics, and understanding its genetic basis could lead to better, targeted treatments.