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Open AccessA high mutation load of m.14597A>G in MT-ND6 causes Leigh syndrome
Leigh syndrome (LS) is an early-onset progressive neurodegenerative disorder associated with mitochondrial deficiency. m.14597A>G (p.Ile26Thr) in the MT-ND6 gene was reported to cause Leberʼs hereditary optic neu...
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Article
Open AccessDisruption of the mouse Shmt2 gene confers embryonic anaemia via foetal liver-specific metabolomic disorders
In a previous study, we proposed that age-related mitochondrial respiration defects observed in elderly subjects are partially due to age-associated downregulation of nuclear-encoded genes, including serine hydro...
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Open AccessMice deficient in the Shmt2 gene have mitochondrial respiration defects and are embryonic lethal
Accumulation of somatic mutations in mitochondrial DNA (mtDNA) has been proposed to be responsible for human aging and age-associated mitochondrial respiration defects. However, our previous findings suggested...
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Article
Open AccessRLR-mediated antiviral innate immunity requires oxidative phosphorylation activity
Mitochondria act as a platform for antiviral innate immunity, and the immune system depends on activation of the retinoic acid-inducible gene I (RIG-I)-like receptors (RLR) signaling pathway via an adaptor mol...
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Open AccessCorrection: Corrigendum: Epigenetic regulation of the nuclear-coded GCAT and SHMT2 genes confers human age-associated mitochondrial respiration defects
Age-associated accumulation of somatic mutations in mitochondrial DNA (mtDNA) has been proposed to be responsible for the age-associated mitochondrial respiration defects found in elderly human subjects. We ca...
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Article
Open AccessEpigenetic regulation of the nuclear-coded GCAT and SHMT2 genes confers human age-associated mitochondrial respiration defects
Age-associated accumulation of somatic mutations in mitochondrial DNA (mtDNA) has been proposed to be responsible for the age-associated mitochondrial respiration defects found in elderly human subjects. We ca...
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Article
Comprehensive application of an mtDsRed2-Tg mouse strain for mitochondrial imaging
Mitochondria are essential for many cellular functions such as oxidative phosphorylation and calcium homeostasis; consequently, mitochondrial dysfunction could cause many diseases, including neurological disor...
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Article
Open AccessNormal mitochondrial respiratory function is essential for spatial remote memory in mice
Mitochondrial DNA (mtDNA) with pathogenic mutations has been found in patients with cognitive disorders. However, little is known about whether pathogenic mtDNA mutations and the resultant mitochondrial respir...
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Article
Ditercalinium chloride, a pro-anticancer drug, intimately associates with mammalian mitochondrial DNA and inhibits its replication
Ditercalinium chloride was originally synthesized for use as an anticancer drug and was then found to deplete mitochondrial DNA. Ethidium bromide is widely used to deplete mitochondrial DNA and produce mitoch...
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Reply to 'Inter-mitochondrial complementation of mtDNA mutations and nuclear context'
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Inter-mitochondrial complementation: Mitochondria-specific system preventing mice from expression of disease phenotypes by mutant mtDNA
Here we investigated the pathogenesis of deletion mutant mitochondrial (mt)DNA by generating mice with mutant mtDNA carrying a 4696-basepair deletion (ΔmtDNA4696), and by using cytochrome c oxidase (COX) electron...
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Article
Human cells are protected from mitochondrial dysfunction by complementation of DNA products in fused mitochondria
Extensive complementation between fused mitochondria is indicated by recombination of 'parental' mitochondrial (mt) DNA (ref. 1,2) of yeast and plant cells. It has been difficult, however, to demonstrate the occu...
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Generation of mice with mitochondrial dysfunction by introducing mouse mtDNA carrying a deletion into zygotes
Mice carrying mitochondrial DNA (mtDNA) with pathogenic mutations would provide a system in which to study how mutant mtDNAs are transmitted and distributed in tissues, resulting in expression of mitochondrial...
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Immunohistochemical studies on regulation of alternative splicing of fast skeletal muscle troponin T: non-uniform distribution of the exon x3 epitope in a single muscle fiber
Troponin T (TnT) isoforms of chicken fast skeletal muscle are classified into two types, breast-muscle-type (B-type) and leg-muscle-type (L-type) isoforms. These isoforms are produced from a single gene by di...
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Article
The structure of the avian fast skeletal muscle troponin T gene: seven novel tandem-arranged exons in the exon x region
To elucidate the mechanism that produces enormous molecular diversity in troponin T (TnT) of fast skeletal muscle, we determined the 5′-half genomic sequence of the chicken fast muscle TnT gene. The sequence of c...
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Article
Skeletal muscle regeneration induced by chorio-allantoic grafting
To examine whether the expression pattern of fast-muscle type troponin-T (TnT) isoforms was fixed in cell lineage, breast muscle pieces (pectoralis major) from chick embryos and young and adult chickens were g...