2021
Determination of 97.5th and 99th percentile upper reference limits for heart-type fatty acid-binding protein (H-FABP) in a US population
Vera MA, Koch CD, Kavsak PA, El-Khoury JM. Determination of 97.5th and 99th percentile upper reference limits for heart-type fatty acid-binding protein (H-FABP) in a US population. Clinica Chimica Acta 2021, 523: 397-401. PMID: 34666029, DOI: 10.1016/j.cca.2021.10.011.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedBiological AssayBiomarkersFatty Acid Binding Protein 3FemaleHumansMaleMiddle AgedMyocardiumSensitivity and SpecificityUnited StatesYoung AdultConceptsHeart-type fatty acid-binding proteinUpper reference limitPercentile upper reference limitClinical utilityReference limitsAcute kidney injuryHeart-type fatty acidAcute coronary syndromeAACC Universal Sample BankFatty acid-binding proteinH-FABP concentrationHealthy U.S.Coronary syndromeFinal sample populationKidney injuryAssay cutoffHealthy donorsAcid-binding proteinUS populationImmunoturbidimetric assayPotential biomarkersClinical sensitivityMyocardial tissueSerum samplesLow molecular weight proteins
2018
Emerging Biomarker of Kidney Disease: suPAR or Subpar?
Bunch DR, El-Khoury JM. Emerging Biomarker of Kidney Disease: suPAR or Subpar? Clinical Chemistry 2018, 64: 1545-1547. PMID: 32100860, DOI: 10.1373/clinchem.2018.293167.Peer-Reviewed Original Research
2012
Does Paricalcitol (Zemplar®) interfere with 1,25-dihydroxyvitamin D measurement by liquid chromatography–tandem mass spectrometry assays?
El-Khoury JM, Bicer F, Bunch DR, Yuan C, Wang S. Does Paricalcitol (Zemplar®) interfere with 1,25-dihydroxyvitamin D measurement by liquid chromatography–tandem mass spectrometry assays? Clinica Chimica Acta 2012, 415: 230-232. PMID: 23142648, DOI: 10.1016/j.cca.2012.10.050.Peer-Reviewed Original ResearchHighly sensitive and selective measurement of underivatized methylmalonic acid in serum and plasma by liquid chromatography-tandem mass spectrometry
Yuan C, Gabler J, El-Khoury JM, Spatholt R, Wang S. Highly sensitive and selective measurement of underivatized methylmalonic acid in serum and plasma by liquid chromatography-tandem mass spectrometry. Analytical And Bioanalytical Chemistry 2012, 404: 133-140. PMID: 22618327, DOI: 10.1007/s00216-012-6099-z.Peer-Reviewed Original ResearchMeSH KeywordsChromatography, High Pressure LiquidFemaleHumansMaleMethylmalonic AcidPlasmaSensitivity and SpecificitySerumSolid Phase ExtractionTandem Mass SpectrometryConceptsLC-MS/MS methodSample preparationMS methodAnion exchange solid phase extractionChromatography-tandem mass spectrometry methodLiquid chromatography-tandem mass spectrometry methodNegative electrospray modeSuccinic acidOrganic acid columnStrong anion-exchange solid-phase extractionSolid-phase extraction