0000000000780414

AUTHOR

Martin Proescholdt

showing 2 related works from this author

Quantitative Imaging of D-2-Hydroxyglutarate in Selected Histological Tissue Areas by a Novel Bioluminescence Technique

2016

Abstract Patients with malignant gliomas have a poor prognosis with average survival of less than one year. Whereas in other tumor entities the characteristics of tumor metabolism are successfully used for therapeutic approaches, such developments are very rare in brain tumors, notably in gliomas. One metabolic feature characteristic of gliomas, in particular diffuse astrocytomas and oligodendroglial tumors, is the variable content of D-2-hydroxyglutarate (D2HG), a metabolite, which was discovered first in this tumor entity. D2HG is generated in large amounts due to various “gain-of–function” mutations in the isocitrate dehydrogenases IDH-1 and IDH-2. Meanwhile, D2HG has been detected in se…

0301 basic medicineCancer ResearchPathologymedicine.medical_specialtyMetabolite610 MedizinBiology03 medical and health scienceschemistry.chemical_compoundmedicineBioluminescence imagingBioluminescenceOligodendroglial TumorOriginal Researchddc:610D-2 hydroxyglutarateglioblastomaMyeloid leukemiaCancerACUTE MYELOID-LEUKEMIA; ISOCITRATE DEHYDROGENASE 1; IDH2 MUTATIONS; CHROMATOGRAPHY/MASS SPECTROMETRY; MAGNETIC-RESONANCE; 2-HYDROXYGLUTARATE; CANCER; GLIOMAS; L-2-HYDROXYGLUTARATE; METABOLITES; D-2 hydroxyglutarate; IDH mutations; bioluminescence imaging; oncometabolite; glioblastomabioluminescence imagingIDH mutationsmedicine.diseaseoncometaboliteLymphoma030104 developmental biologychemistryOncologyChondrosarcoma
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Neuroprotection of S(+) ketamine isomer in global forebrain ischemia

2001

The non-competitive N-methyl-D-aspartate (NMDA) receptor antagonist ketamine can block the action of excitotoxic amino acids in the central nervous system. S(+) ketamine has a 2-3 times higher anesthetic potency compared with the ketamine-racemate and also shows a higher neuroprotective efficacy in vitro. To determine the neuroprotective activity of S(+) ketamine compared with its R(-) stereoisomer in vivo, we examined the functional and neurohistological outcome in rats treated 15 min after global forebrain ischemia with S(+) ketamine in different dosages compared with R(-) ketamine. Influence of the treatment on regional cerebral blood flow (rCBF) and cortical oxygen saturation (HbO2) was…

MaleIschemiaHippocampusPharmacologyNeuroprotectionBrain IschemiaOxygen ConsumptionProsencephalonmedicineAnimalsKetamineRats WistarMolecular BiologyCell DeathDose-Response Relationship Drugbusiness.industryGeneral NeuroscienceGlutamate receptorAntagonistStereoisomerismmedicine.diseaseRatsNeuroprotective AgentsAnesthesiaAnestheticNMDA receptorKetamineNeurology (clinical)businessExcitatory Amino Acid AntagonistsDevelopmental Biologymedicine.drugBrain Research
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