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Ghose, A, Taylor, C, Howie, A, Chalasani, A, Hargreaves, IP and Milford, D (2017) Measurement of Respiratory Chain Enzyme Activity in Human Renal Biopsy Specimens. Journal of Clinical Medicine, 6 (9). ISSN 2077-0383
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Abstract
Background: Mitochondrial disorders can present as kidney disease in children and be difficult to diagnose. Measurement of mitochondrial function in kidney tissue may help diagnosis. This study was to assess the feasibility of obtaining renal samples and analysing them for respiratory chain enzyme activity.
Methods: The subjects were children undergoing a routine diagnostic renal biopsy, in whom a clinical condition of renal inflammation, scarring and primary metabolic disorder was unlikely. A fresh sample of kidney was snap frozen and later assayed for the activities of respiratory chain enzyme complexes I, II/III, and IV using spectrophotometric enzyme assay, and expressed as a ratio of citrate synthase activity.
Results: The range of respiratory chain enzyme activity for complex I was 0.161 to 0.866 (mean 0.404, SD 0.2), for complex II/III was 0.021 to 0.318 (mean 0.177, SD 0.095) and for complex IV was 0.001 to 0.025 (mean 0.015, SD 0.006). There were correlations between the different activities but not between them and the age of the children or a measure of the amount of chronic damage in the kidneys.
Conclusion: It is feasible to measure respiratory chain enzyme activity in routine renal biopsy specimens.
| Item Type: | Article |
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| Subjects: | R Medicine > RM Therapeutics. Pharmacology |
| Divisions: | Pharmacy & Biomolecular Sciences |
| Publisher: | MDPI AG |
| Date Deposited: | 30 May 2018 11:27 |
| Last Modified: | 04 Sep 2021 02:40 |
| DOI or ID number: | 10.3390/jcm6090090 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/8737 |
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