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A protein called FGF9 helps regenerate hair follicles in mice after skin damage, and increasing FGF9 could potentially help human hair growth.

Skin problems can be signs of hormone-related disorders and recognizing them early is important for treatment.

CK 5/6 expression in breast cancer is linked to negative hormone receptor status and higher tumor grade.

ROR-alpha may increase the growth of certain breast cancer cells by boosting aromatase, which could affect breast cancer prognosis.

Chemotherapy significantly lowers Inhibin A levels in breast cancer patients.

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

The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

The document concludes that the understanding of scar formation is incomplete and current prevention and treatment for hypertrophic scars and keloids are not fully effective.

Stem cell offspring help control their parent stem cells, affecting tissue health, healing, and cancer.

Understanding where cancer cells come from helps create better prevention and treatment methods.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

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.

MicroRNA-302 helps improve the conversion of body cells into stem cells by blocking NR2F2.

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.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

Air pollution (PM10) increases skin inflammation and aging by reducing collagen and may trigger a repair response in skin cells.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.

Compartmentalized organization might be crucial for stem cells to effectively respond to growth or injury.

RTA 408 cream protects mice from radiation skin damage.

Using CRISPR for gene editing in the body is promising but needs better delivery methods to be more efficient and specific.

MicroRNAs are crucial for controlling skin development and healing by regulating genes.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Skin tumor regression is helped by retinoic acid signaling blocking Wnt signaling.

The drug enzalutamide may reduce the ability of the virus causing COVID-19 to enter lung cells.

Certain microRNAs in the fluid around eggs are linked to Polycystic Ovary Syndrome and may help diagnose it.

Eating healthy, exercising, and taking certain supplements can help manage Polycystic Ovary Syndrome symptoms.

Exosomes can improve skin health and offer new treatments for skin repair and rejuvenation.