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Reduced Brain Iron and Striatal Hyperdopaminergia in Schizophrenia: A Quantitative Susceptibility Mapping MRI and PET Study by Luke James Vano, M.R.C.Psych., Ph.D., 1,2,3,4 Robert Ali McCutcheon, M.R.C.Psych., Ph.D., 1,5,6 Jan Sedlacik, Ph.D.,2,3,7 is a book available to read on EtoBox.

What is Reduced Brain Iron and Striatal Hyperdopaminergia in Schizophrenia: A Quantitative Susceptibility Mapping MRI and PET Study about?

Objective: Neuroimaging studies have independently asso[18F]-DOPA positron emission tomography in 40 people ciated schizophrenia with low iron and elevated dopamine from the schizophrenia group to test whether low SN-VTA synthesis. While preclinical research demonstrates that magnetic susceptibility was related to high striatal Kicer.midbrain iron deficiency leads to striatal hyperdopaminergia, this relationship has not been studied in schizophrenia. Results: SN-VTA magnetic susceptibility was lower in paThe authors conducted a case-control study to examine tients with schizophrenia than in control subjects (d=−0.66, differences in tissue magnetic susceptibility, a marker of 95% CI=−0.98, −0.34). This difference remained significant brain iron, and correlated these with striatal dopamine synin analyses controlling for mean diffusivity (a DTI measure thesis capacity.inversely correlating with myelin concentration) and NMMRI contrast-to-noise ratios. SN-VTA magnetic susceptiMethods: Magnetic susceptibility in the substantia nigra bility was significantly inversely correlated with striatal Kicer, and ventral tegmental area (SN-VTA) was measured using independent of mean diffusiv

Author

Luke James Vano, M.R.C.Psych., Ph.D., 1,2,3,4 Robert Ali McCutcheon, M.R.C.Psych., Ph.D., 1,5,6 Jan Sedlacik, Ph.D.,2,3,7

Published

2025

Language

EN