75 citations
,
February 2017 in “Aging” This study found that treating mtDNA mutator mice with the antioxidant SkQ1 delayed aging traits and extended their lifespan, potentially by alleviating mitochondrial dysfunction caused by reactive oxygen species.
42 citations
,
September 2012 in “PLoS ONE” In this study, bezafibrate treatment improved certain aging-like features in a mouse model with mitochondrial dysfunction, but did not enhance muscle function or lifespan.
11 citations
,
June 2015 in “Scientific Reports” In this study of Han Chinese women, the mitochondrial DNA N haplogroup was associated with a higher risk of late-onset systemic lupus erythematosus and its specific manifestations, such as skin impairment and neurological disturbances.
53 citations
,
October 2014 in “Free radical biology & medicine” This study found that oxidative damage is present in the mitochondria of PolG mice, which exhibit premature aging-like phenotypes due to mitochondrial dysfunction.
January 2007 in “Journal of Southwest University” This study identified that the ND1 gene sequence of the Asian black bear's Sichuan subspecies shares high similarity with those of other bear species, raccoons, and Ailurus fulgens.
25 citations
,
May 2004 in “Prenatal Diagnosis” This study suggests that prenatal genetic diagnosis of MELAS syndrome using amniotic cells may not reliably predict fetal outcomes due to phenotypic diversity observed in siblings with similar levels of mutant mtDNA.
384 citations
,
January 2008 in “Journal of Internal Medicine” This review discusses the role of mitochondrial dysfunction in the ageing process and reports that its significance compared to other factors in mammalian ageing remains uncertain.
138 citations
,
January 2004 in “AIDS” This review discusses the role of mitochondria and evaluates methodologies for assessing mitochondrial function and toxicity, particularly in the context of HIV and antiretroviral treatments, but it reports no new empirical findings.
74 citations
,
June 2018 in “Cell death and disease” In this study, researchers found that depleting mtDNA in mice caused skin wrinkles and hair loss but restoring mitochondrial function reversed these effects, highlighting mtDNA's significant role in skin and hair health.
69 citations
,
April 2005 in “Forensic Science International” This study suggests that degraded human hair shafts are highly resistant to contamination by exogenous DNA, making them a valuable source for forensic and ancient DNA analysis.
42 citations
,
December 2016 in “Cell Death & Differentiation” This study found that transient mtDNA double strand breaks in mice accelerated aging in certain tissues through increased reactive oxygen species, independent of p21/p53 pathway mediation.
35 citations
,
August 2006 in “Molecular genetics and metabolism” This study found significant variation in tissue mutant load in individuals with the T8993G mutation, which complicates genetic counseling and may inform genotype-phenotype correlations, especially using hair bulb mtDNA analysis.
12 citations
,
January 2002 in “Environmental and Molecular Mutagenesis” This study found that long-term smoking was associated with increased mitochondrial DNA deletions in hair follicles, especially among smokers with low plasma glutathione S-transferase activity.
4 citations
,
December 2020 in “International journal of research - granthaalayah” This study found that tetracycline can adhere to hair follicle structures and disrupt cell metabolism, potentially damaging healthy human cells as well as pathogens.
The researchers reported that certain physical characteristics of hair shafts, such as length and color, may influence mtDNA read counts and degradation state when analyzed by massively parallel sequencing.
August 2024 in “Cell Death and Disease” This study found that toll-like receptor 9 plays a previously unrecognized role in sensing skin injury and influencing tissue repair and regeneration in adult mice by modulating γδT cell migration.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that tissue damage in adult mice triggers the release of mitochondrial DNA, which activates the TLR9 pathway and influences hair regeneration by recruiting gamma delta T cells, ultimately affecting healing outcomes such as fibrosis.
August 2023 in “Frontiers in Endocrinology” This study identified novel mitochondrial DNA variations in PCOS patients from Pakistan, which may serve as genetic predisposition markers, highlighting especially the potential pathogenicity of frameshift mutations in the MT-ND2 gene.
March 2024 in “International journal of molecular sciences” This review summarizes current literature associating mitochondrial dysfunction with dermatologic issues like skin aging, hair loss, and poor wound healing, noting potential benefits in targeting mitochondrial components for treatments.
12 citations
,
July 2013 in “Circulation” This article discusses the relationship between mitochondrial DNA damage and atherosclerosis, suggesting that mtDNA damage may increase plaque vulnerability independent of reactive oxygen species, but reports no new clinical results.
3 citations
,
February 2024 in “Forensic Sciences Research” In this study, researchers found that massively parallel sequencing of mitochondrial DNA (mtDNA) can improve information recovery from forensic samples, with successful full region amplification possible from as few as 2,000 mtDNA copies, albeit with variability in heteroplasmy among hair samples from the same donor.
43 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” This article reviews innovations in hair cosmetics, focusing on esthetic procedures and products in the Indian market, and reports no new experimental findings.
March 2025 in “The Scientific Issues of Ternopil Volodymyr Hnatiuk National Pedagogical University Series pedagogy” This review discusses the clinical phenotypes of primary mitochondrial cytopathies linked to significant genetic defects in mitochondrial DNA, reporting no new clinical results; the authors emphasize the need for differential diagnosis.
14 citations
,
July 2001 in “American Journal of Human Genetics” Haplogroup X found in Altaian population supports Amerindian origin.
3 citations
,
December 2020 in “Scientific reports” This study found that mitochondrial oxidative phosphorylation in epithelial cells is necessary for proper enamel formation and odontoblast differentiation in developing incisor teeth in K320E-Twinkle Epi mice.
March 2024 in “Cell communication and signaling” This study found that sleep deprivation in mice can trigger prostatitis by activating the cGAS-STING pathway due to reduced levels of dihydrotestosterone and melatonin, resulting in a pro-inflammatory environment, while recovery sleep can mitigate these effects.
6 citations
,
July 2005 in “Acta Ophthalmologica Scandinavica” This case report suggests that madarosis, or eyelash loss, may be associated with mitochondriopathy, expanding the known causes of madarosis to include this condition.
5 citations
,
March 2017 in “Molecular biology of the cell” This article summarizes discussions from a minisymposium on organelle contact sites, highlighting new insights into their roles in cellular processes, but reports no novel experimental results.
October 2025 in “Frontiers in Molecular Biosciences” This source critically examines Bruce Ames's influential contributions to biochemistry, particularly his theories on oxidative stress and mitochondrial DNA damage in aging, while acknowledging current challenges to his work and highlighting his lasting impact on the fields of mutagen screening and public health.
December 2022 in “Animal Biotechnology” This review examines the unique genetic characteristics of the Orenburg down-hair goats, emphasizing their complex allele pool and the value of further genome research, without presenting new experimental results.