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

The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.

Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

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

Lactate production is important for activating hair growth stem cells.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

Researchers created human hair follicles using a new method that could help treat hair loss.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Certain inhibitors slow down plant growth by causing early cell specialization without changing the cell development pattern.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

Aging causes skin stem cells to work less effectively.

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

RNAi-based biopesticides could be safe and effective for pest control with careful development and risk assessment.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.

Different types of stem cells and their environments are key to skin repair and maintenance.

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.

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

Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.

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

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

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

Different PIN proteins affect plant root hair growth by changing how auxin is transported.