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The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.

Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.

The same genetic mutation in Sjögren-Larsson syndrome can lead to different levels of severity, suggesting other factors influence the symptoms.

Proteomics combined with other technologies can lead to a better understanding of skin diseases.

Estrogen affects how vitamin A is processed in mouse skin, which may impact acne treatment, hair growth, and skin defense.

Different amounts of daylight affect cashmere growth in goats by changing the activity of certain genes and molecules.

Vitamin A affects the resting phase of hair growth, with both low and high levels increasing the number of hair follicles in this phase.

Scientists can control how skin stem cells divide by using different treatments.

Retinoids can help treat skin pigmentation disorders by affecting melanin production.

Retinoids or their analogs could treat skin pigmentation disorders like melasma and vitiligo.

Alopecia Areata (AA) causes significant emotional distress, including feelings of embarrassment, depression, and anxiety, and impacts social interactions and daily activities.

Patients with the same genetic mutation for vitamin D-resistant rickets showed different symptoms but all improved with treatment except for hair loss.

The main goal for new Alopecia Areata treatments should be significant improvement in scalp hair growth.

Achieving 80% or more scalp hair regrowth is considered a successful treatment for significant hair loss.

Both dermatologists and patients in Japan agree that treatment success for alopecia areata is having 20% or less scalp hair loss.

Higher fluence in hair removal damages hair follicles more, while lower fluence mimics natural hair regression, with long-term IPL treatments effectively reducing hair.

Minoxidil with tretinoin boosts hair growth most effectively, followed by minoxidil alone, and then ketoconazole.

Targeting colon cancer stem cells might lead to better treatment results.

Altered retinoid metabolism in cicatricial alopecia suggests a balanced vitamin A diet may prevent the condition.

Vitamins A, B7, C, D, and E are essential for healthy hair growth and preventing damage.

Understanding phenotypic plasticity is crucial for developing effective cancer therapies.

The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Lactate production is important for activating hair growth stem cells.

Different types of skin cells have unique genetic markers that affect how likely they are to spread cancer.

Humans lost body hair relatively recently in evolution.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

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

The research identified various cell types in mouse and human teeth, which could help in developing dental regenerative treatments.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.