ArticleJournal of structural biology2014
Nanoscale three-dimensional imaging of the human myocyte.
Article in Journal of structural biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
10 citing papers in PubMed.
- Total Area of Interfibrillar Mitochondria in the Right Atrial Appendage Cardiomyocytes as an Index of the Functional State of the Cardiovascular System in Chronic Heart Failure.Bulletin of experimental biology and medicine · 2025Article
- Quantitative 3D electron microscopy characterization of mitochondrial structure, mitophagy, and organelle interactions in murine atrial fibrillation.Journal of structural biology · 2024Article
- Modeling incomplete penetrance in arrhythmogenic cardiomyopathy by human induced pluripotent stem cell derived cardiomyocytes.Computational and structural biotechnology journal · 2023Article
- Author Correction: Advanced maturation of human cardiac tissue grown from pluripotent stem cells.Nature · 2019Article
- Subcellular connectomic analyses of energy networks in striated muscle.Nature communications · 2018Article
- Solute movement in the t-tubule system of rabbit and mouse cardiomyocytes.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
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- Arrhythmogenic and metabolic remodelling of failing human heart.The Journal of physiology · 2016Review
- Electron tomography of rabbit cardiomyocyte three-dimensional ultrastructure.Progress in biophysics and molecular biology · 2016Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
The ventricular human myocyte is spatially organized for optimal ATP and Ca(2+) delivery to sarcomeric myosin and ionic pumps during every excitation-contraction cycle. Comprehension of three-dimensional geometry of the tightly packed ultrastructure has been derived from discontinuous two-dimensional images, but has never been precisely reconstructed or analyzed in human myocardium. Using a focused ion beam scanning electron microscope, we created nanoscale resolution serial images to quantify the three-dimensional ultrastructure of a human left ventricular myocyte. Transverse tubules (t-tubule), lipid droplets, A-bands, and mitochondria occupy 1.8, 1.9, 10.8, and 27.9% of the myocyte volume, respectively. The complex t-tubule system has a small tortuosity (1.04±0.01), and is composed of long transverse segments with diameters of 317±24nm and short branches. Our data indicates that lipid droplets located well beneath the sarcolemma are proximal to t-tubules, where 59% (13 of 22) of lipid droplet centroids are within 0.50μm of a t-tubule. This spatial association could have an important implication in the development and treatment of heart failure because it connects two independently known pathophysiological alterations, a substrate switch from fatty acids to glucose and t-tubular derangement.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.