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Smoking reduces antioxidants and causes DNA damage in hair follicles.

Mitochondrial dysfunction is linked to various skin conditions and could be a target for treatments.

Bezafibrate treatment improved skin and spleen health in aging mice but didn't extend lifespan.

Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Tissue-specific variation in mutant load complicates genetic counseling and prenatal diagnosis.

Healthy mitochondria in skin cells are essential for proper hair growth and skin cell interaction in mice.

Rapamycin treatment helps reduce brain inflammation and symptoms of mitochondrial disease by blocking specific pathways in mice.

A 38-year-old man was diagnosed late with Kearns-Sayre syndrome after being wrongly treated for epilepsy.

N-acetyl-L-cysteine (NAC) can prevent DNA damage and protect cells from harm.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Manipulating cell cleanup processes could help treat hair loss.

Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.

Non-surgical procedures can help reduce wrinkles and stimulate skin repair by understanding skin aging at the molecular level.

Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.

Restoring mitochondrial function in mice reversed their skin wrinkling and hair loss.

Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.

MOF controls key genes for skin development by regulating mitochondrial and ciliary functions.

Rare ULBP3 gene changes may raise the risk of Alopecia areata, a certain FAS gene deletion could cause a dysfunctional protein in an immune disorder, and having one copy of a specific genetic deletion is okay, but two copies cause sickle cell disease.

MOF controls skin development by regulating genes for mitochondria and cilia.

The research found genetic differences in identical twins that could explain why one twin has a disease while the other does not.

Mutations in mitochondrial DNA might significantly contribute to the development of Polycystic Ovarian Syndrome.

UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.

PNKP is essential for keeping adult mouse progenitor cells healthy and growing normally.

Treatments that reduce oxidative stress and fix mitochondrial problems may help heal chronic wounds.

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.

In vivo lineage labelling is better than in vitro methods for identifying and understanding stem cells.

Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.

SA linked to mitochondrial issues and oxidative stress, while AGA involves disrupted hair growth genes.

Skin aging reflects overall body aging and can indicate internal health conditions.

Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.