The mitochondrial respiratory chain consists of five multi-subunit complexes embedded in the inner mitochondrial membrane. Complex I is the largest and most complicated proton pump of the respiratory chain encoded by both the mitochondrial and nuclear genomes. In this minireview, attention is given to recent knowledge on the structure, catalytic properties, supramolecular organisation of complex I and its possible role in the triggering of apoptosis.
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http://dx.doi.org/10.4149/gpb_2010_01_3 | DOI Listing |
Regen Med
January 2025
Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Leioa, Spain.
Aims: Human periodontal ligament stem cells (hPDLSCs) exhibit an enormous potential to regenerate periodontal tissue. However, their translatability to the clinical setting is constrained by technical difficulties in standardizing culture conditions. The aim was to assess complex culture conditions using a proteomic-based protocol to standardize multi-layer hPDLSC cultivation methodology.
View Article and Find Full Text PDFAnal Chem
January 2025
State Key Laboratory for Manufacturing Systems Engineering, School of Instrument Science and Techonology, Xi'an Jiaotong University, Xi'an 710054, China.
Infectious diseases, especially respiratory infections, have been significant threats to human health. Therefore, it is essential to develop rapid, portable, and highly sensitive diagnostic methods for their control. Herein, a short-time preamplified, one-pot clustered regularly interspaced short palindromic repeats (CRISPR) nucleic acid detection method (SPOC) is developed by combining the rapid recombinase polymerase amplification (RPA) with CRISPR-Cas12a to reduce the mutual interference and achieve facile and rapid molecular diagnosis.
View Article and Find Full Text PDFCytoskeleton (Hoboken)
January 2025
Department of Biological Sciences, Graduate School of Science, Osaka University, Osaka, Japan.
Dyneins are huge motor protein complexes that are essential for cell motility, cell division, and intracellular transport. Dyneins are classified into three major subfamilies, namely cytoplasmic, intraflagellar-transport (IFT), and ciliary dyneins, based on their intracellular localization and functions. Recently, several near-atomic resolution structures have been reported for cytoplasmic/IFT dyneins.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Pediatrics, Children's Medical Center, The First Hospital of Jilin University, Lequn Branch, No. 3302 Jilin Road, Changchun, 130021, China.
The global spread of the novel coronavirus disease 2019, caused by SARS-CoV-2 virus, impacts individuals of all age groups, including lactating women and children. Concerns have been raised regarding the potential transmission of SARS-CoV-2 from mother to child, following the discovery of SARS-CoV-2 RNA in human milk. Therefore, this study aims to investigate whether the Omicron novel coronavirus variants are transmitted through human milk.
View Article and Find Full Text PDFEMBO Rep
January 2025
Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA.
Pro-inflammatory macrophage activation is a hallmark example of how mitochondria serve as signaling organelles. Oxidative phosphorylation sharply decreases upon classical macrophage activation, as mitochondria are thought to shift from ATP production towards accumulating signals that amplify effector function. However, evidence is conflicting regarding whether this collapse in respiration is essential or dispensable.
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