Keywords: Psychiatric Disorders, Spectroscopy
Motivation: There is limited information on anterior cingulate cortex (ACC) myo-inositol (m)I level in medication-free bipolar disorder (BD) patients in depressed state, which can explore role of neuro-inflammation in BD.
Goal(s): Investigate modulation of ACC mI level during Li monotherapy.
Approach: Patients with BD (depressed state) and healthy controls were scanned at 7-tesla MRI with a semi-LASER sequence at baseline and 2, 8 and 26 weeks from onset of Li monotherapy, and ACC mI level was measured at each time point.
Results: mI level decreased in 1st 2 weeks of onset of therapy but the reduction was not observed after 8 weeks.
Impact: The preliminary results suggest that decrease in neuro-inflammatory/microglial marker mI during Li monotherapy of depressed BD may be a short term effect. Future studies can investigate if this is specific to depressed state by investigating during manic state also.
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