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Shih-Jen Tsai

Researcher at Taipei Veterans General Hospital

Publications -  660
Citations -  16540

Shih-Jen Tsai is an academic researcher from Taipei Veterans General Hospital. The author has contributed to research in topics: Medicine & Population. The author has an hindex of 57, co-authored 571 publications receiving 13687 citations. Previous affiliations of Shih-Jen Tsai include National Yang-Ming University & Wyss Institute for Biologically Inspired Engineering.

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Association study of the serotonin transporter promoter polymorphism and symptomatology and antidepressant response in major depressive disorders.

TL;DR: Patients with the l/l genotype had a significantly better response to SSRI (fluoxetine) when compared with s allele carriers, as evaluated on the basis of total and cluster depressive symptoms and Hamilton Depression Rating Scale-score percentage change.
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Association study of a brain-derived neurotrophic-factor genetic polymorphism and major depressive disorders, symptomatology, and antidepressant response.

TL;DR: A trend to improved 4‐week‐fluoxetine antidepressant response was demonstrated for heterozygous patients in comparison to homozygous analogs, suggesting the BDNF polymorphism investigated plays no major role in the pathogenesis of MDD.
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Association study of a brain-derived neurotrophic-factor genetic polymorphism and mood disorders, age of onset and suicidal behavior.

TL;DR: It seems reasonable to suggest that the positive association between BDNF gene Val66Met polymorphism and bipolar disorder has only been demonstrated for a Caucasian population but not for a Japanese analog or the authors' Chinese sample, and that this association is ethnicity dependent.
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Medial reward and lateral non-reward orbitofrontal cortex circuits change in opposite directions in depression

TL;DR: The first brain-wide voxel-level resting state functional connectivity neuroimaging analysis of depression is reported, and it is shown that the functional connectivity of the lateral orbitofrontal cortex Brodmann area 47/12 with these three brain areas was lower in the medicated than the unmedicated patients, consistent with the hypothesis that the increased functional connectivity is related to depression.