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Organs like hair follicles can renew themselves in complex ways, adapting to different needs and environments.

The microenvironment, especially mechanical forces, plays a crucial role in hair growth and could lead to new treatments for hair loss.

The document concludes that stem cell inactivity is actively controlled and important for tissue repair and balance.

Testosterone is crucial for development, growth, and various body functions in mammals.

Glucocorticoids are powerful anti-inflammatory drugs that must be used carefully to avoid serious side effects.

Hormones are crucial for regulating body functions and imbalances can lead to health issues.

Hormones control reproduction and are crucial for body balance.

Sex hormones affect reproduction, sexual development, and oral health, and it's important for dental practitioners to understand their effects and interactions.

Skin stem cells are crucial for maintaining and repairing skin, with potential for treating skin disorders and improving wound healing.

The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.

Different types of long-lasting stem cells are responsible for the growth and upkeep of the mammary gland.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

The document concludes that adenosine receptor agonists have potential for treating various conditions, but only a few are approved due to challenges like side effects and the need for selective activation.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

The p53 protein has complex, sometimes contradictory functions, including tumor suppression and promoting cell survival.

Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.

Stem cells help repair tissue mainly by releasing beneficial substances, not by replacing damaged cells.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Plant steroid hormones show growth, health, and medicinal benefits in various organisms, including potential for treating diseases.

A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.

Cell aging can be both good and bad for tissue repair.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

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

Glutathione helps Arabidopsis roots adapt to low phosphate by regulating a specific growth pathway.