2022
Methylated tetra‐amide derivatives of paramagnetic complexes for magnetic resonance biosensing with both BIRDS and CEST
Zakaria ABM, Huang Y, Coman D, Mishra SK, Mihailovic JM, Maritim S, Rojas‐Quijano F, Jurek P, Kiefer GE, Hyder F. Methylated tetra‐amide derivatives of paramagnetic complexes for magnetic resonance biosensing with both BIRDS and CEST. NMR In Biomedicine 2022, 35: e4687. PMID: 34970801, DOI: 10.1002/nbm.4687.Peer-Reviewed Original Research
2021
High‐resolution pH imaging using ratiometric chemical exchange saturation transfer combined with biosensor imaging of redundant deviation in shifts featuring paramagnetic DOTA‐tetraglycinate agents
Mihailovic JM, Huang Y, Walsh JJ, Khan MH, Mishra SK, Samuels S, Hyder F, Coman D. High‐resolution pH imaging using ratiometric chemical exchange saturation transfer combined with biosensor imaging of redundant deviation in shifts featuring paramagnetic DOTA‐tetraglycinate agents. NMR In Biomedicine 2021, 35: e4658. PMID: 34837412, DOI: 10.1002/nbm.4658.Peer-Reviewed Original Research
2019
Extracellular pH mapping of liver cancer on a clinical 3T MRI scanner
Coman D, Peters DC, Walsh JJ, Savic LJ, Huber S, Sinusas AJ, Lin M, Chapiro J, Constable RT, Rothman DL, Duncan JS, Hyder F. Extracellular pH mapping of liver cancer on a clinical 3T MRI scanner. Magnetic Resonance In Medicine 2019, 83: 1553-1564. PMID: 31691371, PMCID: PMC7244229, DOI: 10.1002/mrm.28035.Peer-Reviewed Original Research
2017
Temozolomide arrests glioma growth and normalizes intratumoral extracellular pH
Rao JU, Coman D, Walsh JJ, Ali MM, Huang Y, Hyder F. Temozolomide arrests glioma growth and normalizes intratumoral extracellular pH. Scientific Reports 2017, 7: 7865. PMID: 28801587, PMCID: PMC5554228, DOI: 10.1038/s41598-017-07609-7.Peer-Reviewed Original ResearchConceptsU251 tumorsTumor microenvironmentT2-weighted MRITherapeutic responseUntreated ratsTumor volumeRat brainTumor growthTherapeutic influenceGlioma growthPeritumoral regionRatsApoptosis inductionTumorsGliomasTumor corePhysiological readoutsExtracellular pHAcidic pHeTumor boundariesProliferationMicroenvironment
2016
Imaging the intratumoral–peritumoral extracellular pH gradient of gliomas
Coman D, Huang Y, Rao JU, De Feyter HM, Rothman DL, Juchem C, Hyder F. Imaging the intratumoral–peritumoral extracellular pH gradient of gliomas. NMR In Biomedicine 2016, 29: 309-319. PMID: 26752688, PMCID: PMC4769673, DOI: 10.1002/nbm.3466.Peer-Reviewed Original ResearchConceptsRG2 tumorsTumor typesKi-67-positive cellsCancer therapeutic responseAcidic pHeTherapeutic responseRat brainPositive cellsSolid tumorsTumor cell invasionTumor borderTumorsPeritumoral regionNormal tissuesCell invasionTumor pHeP-MRSCancer imagingNeutral intracellularImagingPreclinical applicationsInfusionTherapy
2014
Characterization of a lanthanide complex encapsulated with MRI contrast agents into liposomes for biosensor imaging of redundant deviation in shifts (BIRDS)
Maritim S, Huang Y, Coman D, Hyder F. Characterization of a lanthanide complex encapsulated with MRI contrast agents into liposomes for biosensor imaging of redundant deviation in shifts (BIRDS). JBIC Journal Of Biological Inorganic Chemistry 2014, 19: 1385-1398. PMID: 25304046, PMCID: PMC4348029, DOI: 10.1007/s00775-014-1200-z.Peer-Reviewed Original ResearchMeSH KeywordsBiosensing TechniquesContrast MediaCoordination ComplexesLanthanoid Series ElementsLiposomesMagnetic Resonance ImagingMolecular ImagingMolecular StructureConceptsLanthanide complexesMagnetic resonance imaging (MRI) probesParamagnetic lanthanide complexesT2 contrast agentsRedundant deviationMolecular imagingMRI contrast agentsNon-exchangeable protonsContrast agentsMRI contrastChemical shiftsMRI probesLiposomal encapsulation efficiencyParamagnetic environmentSignal amplificationEncapsulation efficiencyWater relaxationProbe environmentTransverse relaxation timeParamagnetic effectImaging probeHigh spatial resolutionParamagnetic agentsParamagnetic contrast agentRelaxation timeLanthanide ion (III) complexes of 1,4,7,10‐tetraazacyclododecane‐1,4,7,10‐tetraaminophosphonate for dual biosensing of pH with chemical exchange saturation transfer (CEST) and biosensor imaging of redundant deviation in shifts (BIRDS)
Huang Y, Coman D, Ali MM, Hyder F. Lanthanide ion (III) complexes of 1,4,7,10‐tetraazacyclododecane‐1,4,7,10‐tetraaminophosphonate for dual biosensing of pH with chemical exchange saturation transfer (CEST) and biosensor imaging of redundant deviation in shifts (BIRDS). Contrast Media & Molecular Imaging 2014, 10: 51-58. PMID: 24801742, PMCID: PMC4222994, DOI: 10.1002/cmmi.1604.Peer-Reviewed Original ResearchConceptsChemical exchange saturation transferLanthanide complexesExchangeable protonsProton resonancesPH imagingLanthanide ion complexesRedundant deviationChemical shift differencesChemical exchange saturation transfer contrastCEST contrastIon complexesChemical shiftsQuantitative pH imagingShift differencesSingle-proton resonancesChemical shift imaging methodsMagnetic resonanceCEST experimentsWater protonsNonexchangeable protonsParamagnetic effectSaturation transferBiosensorComplexesWater resonance
2013
In vivo three‐dimensional molecular imaging with Biosensor Imaging of Redundant Deviation in Shifts (BIRDS) at high spatiotemporal resolution
Coman D, de Graaf R, Rothman DL, Hyder F. In vivo three‐dimensional molecular imaging with Biosensor Imaging of Redundant Deviation in Shifts (BIRDS) at high spatiotemporal resolution. NMR In Biomedicine 2013, 26: 1589-1595. PMID: 23881869, PMCID: PMC3800475, DOI: 10.1002/nbm.2995.Peer-Reviewed Original ResearchConceptsK-spaceNonexchanging protonsThree-dimensional molecular imagingParamagnetic lanthanide ionsRedundant deviationChemical shift imagingField of viewMolecular imaging capabilitiesMolecular imagingRapid data acquisitionProton detectionLanthanide ionsTens of minutesImaging capabilitiesMacrocyclic chelatesSpectroscopic signalsMacrocyclicCSI experimentsRelaxation timeHigh spatiotemporal resolutionParamagnetic agents
2011
A lanthanide complex with dual biosensing properties: CEST (chemical exchange saturation transfer) and BIRDS (biosensor imaging of redundant deviation in shifts) with europium DOTA–tetraglycinate
Coman D, Kiefer GE, Rothman DL, Sherry AD, Hyder F. A lanthanide complex with dual biosensing properties: CEST (chemical exchange saturation transfer) and BIRDS (biosensor imaging of redundant deviation in shifts) with europium DOTA–tetraglycinate. NMR In Biomedicine 2011, 24: 1216-1225. PMID: 22020775, PMCID: PMC3267016, DOI: 10.1002/nbm.1677.Peer-Reviewed Original ResearchMeSH KeywordsBiosensing TechniquesCoordination ComplexesEuropiumMagnetic Resonance ImagingPhantoms, ImagingTemperatureTime FactorsConceptsResponsive contrast agentsChemical exchange saturation transferMolecular imagingNonexchangeable proton resonancesMolecular imaging agentsLanthanide complexesCEST characteristicsIon complexesBiosensing propertiesBulk waterProton exchangeProton resonancesTetraacetate derivativeNonexchangeable protonsQuantitative molecular imagingRedundant deviationExchangeable sitesInner sphereSaturation transferImaging agentCEST methodComplexesIonsContrast agentsGreat potential
2010
Brain temperature by Biosensor Imaging of Redundant Deviation in Shifts (BIRDS): comparison between TmDOTP5−and TmDOTMA−
Coman D, Trubel HK, Hyder F. Brain temperature by Biosensor Imaging of Redundant Deviation in Shifts (BIRDS): comparison between TmDOTP5−and TmDOTMA−. NMR In Biomedicine 2010, 23: 277-285. PMID: 19957287, PMCID: PMC2843767, DOI: 10.1002/nbm.1461.Peer-Reviewed Original Research