Haemolysis and lipemia interfere with resistin and myeloperoxidase BioVendor ELISA assays

The aim of our study was to investigate the influence of haemolysis and lipemia on resistin (RES) and myeloperoxidase (MPO) measurement by BioVendor enzyme-linked immunosorbent assays (ELISA).Materials and methods: Blood was taken from healthy volunteers into lithium heparin tubes. Plasma samples we...

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Permalink: http://skupni.nsk.hr/Record/nsk.NSK01001069030/Details
Matična publikacija: Biochemia medica (Online)
29 (2019), 2 ; str. 315-321
Glavni autori: Saračević, Andrea (Author), Dukić, Lora, Šimundić, Ana-Maria
Vrsta građe: e-članak
Jezik: eng
Online pristup: https://doi.org/10.11613/BM.2019.020703
Biochemia medica (Online)
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024 7 |2 doi  |a 10.11613/BM.2019.020703 
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100 1 |a Saračević, Andrea  |4 aut 
245 1 0 |a Haemolysis and lipemia interfere with resistin and myeloperoxidase BioVendor ELISA assays  |h [Elektronička građa] /  |c Andrea Saracevic, Lora Dukic, Ana-Maria Simundic. 
300 |b Graf. prikazi. 
504 |a Bibliografija: 18 jed. 
504 |a Summary. 
520 |a The aim of our study was to investigate the influence of haemolysis and lipemia on resistin (RES) and myeloperoxidase (MPO) measurement by BioVendor enzyme-linked immunosorbent assays (ELISA).Materials and methods: Blood was taken from healthy volunteers into lithium heparin tubes. Plasma samples were spiked with Lipofundin®emulsion (B. Braun Melsungen AG, Germany) for lipemia interference testing. Haemolysed samples were obtained by drawing aliquots of heparinized blood through a 26 gauge needle. Index of haemolysis (H), lipemia (L) and triglyceride concentration were measured on Abbott Architect c8000. Haemoglobin concentration was measured on Sysmex XN-1000. Concentrations of RES and MPO in all samples were determined with RES and MPO ELISA kits (BioVendor, Czech Republic). All measurements were performed in triplicate. Biases from the native samples were calculated for both analytes and compared with an arbitrary value (e.g. ± 10%).Results: Triglyceride concentration in the investigated samples ranged from 0.57 to 38.23 mmol/L, which corresponds to L index from - 0.01 to13.77. Haemoglobin concentration in all samples ranged from 0 to 8 g/L which correspond to H index from 0.05 to 8.77. Both MPO and RES showed significant biases at 1 g/L haemoglobin (58.7% and 66.7%, respectively). Also, both MPO and RES showed significant biases at 4.66 mmol/L triglycerides (33.8% and - 12.2%, respectively).Conclusions: Resistin BioVendor assays are affected by haemolysis and lipemia already at low degree of interferent. Haemolysis was found to interfere at 1 g/L haemoglobin for both assays, while lipemia interferes at 4.66 mmol/L of triglycerides. 
700 1 |a Dukić, Lora  |4 aut 
700 1 |a Šimundić, Ana-Maria  |4 aut 
773 0 |t Biochemia medica (Online)  |x 1846-7482  |g 29 (2019), 2 ; str. 315-321  |w nsk.(HR-ZaNSK)000655372 
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856 4 0 |u https://hrcak.srce.hr/218974  |y Hrčak