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Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.

A specific group of slow-growing stem cells marked by Thy1 is crucial for skin maintenance and healing in mice.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

Wnt signaling helps control how brain stem cells divide and is important for brain repair after injury.

Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

Mongolian gerbils heal wounds differently than mice, with unique protein levels and gene expression that affect skin repair.

Cavity macrophages gather on organ surfaces but don't really invade or help repair the organs after injury.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

Pro-IGF-II improves muscle repair in old mice.

Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.

The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.

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

Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.

Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.

The conclusion introduces a new way to classify skin cysts using their shape and genetic markers.

A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.

17β-estradiol may help hair growth by increasing cannabinoid receptor type 1.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

The mTOR pathway proteins are altered in the hair follicles of patients with Lichen Planopilaris and Frontal Fibrosing Alopecia.

D-OCT shows increased blood vessel growth in response to tissue damage in Frontal Fibrosing Alopecia and is useful for diagnosis and monitoring.

Hair loss patterns differ between males and females due to 5 master regulators and JAK-STAT signaling affects hair growth.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Macrophages help hair growth after injury through CX3CR1 and TGF-β1.

Researchers created a model to understand heart aging, highlighting the role of microRNAs and identifying key genes and pathways involved.

Researchers created a model to understand heart aging, highlighting key genes and pathways, and suggesting miR-208a as a potential heart attack biomarker.

A wearable device using electric stimulation can significantly improve hair growth.

Testosterone significantly affects urination differences between male and female mice.

Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.