Alterations in T Cell Subpopulations Linked to Brain Structure in Tardive Dyskinesia

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Medically reviewed by Carmen Pope, BPharm. Last updated on July 25, 2024.

By Elana Gotkine HealthDay Reporter

THURSDAY, July 25, 2024 -- Alterations in the proportion of T cell subpopulations are associated with brain structural abnormalities in patents with schizophrenia with tardive dyskinesia (TD), according to a study published in the July issue of Schizophrenia Research.

Na Li, from the Peking University HuiLongGuan Clinical Medical School in Beijing, and colleagues examined the correlations between distributions of T cell phenotypes and brain structure abnormalities in 50 schizophrenia patients with TD (TD) and 58 without TD (NTD), relative to 41 healthy controls (HC). Naive (CD45RA+), memory (CD45RO+), and apoptotic (CD95+) CD4+ and CD8+ T cells were examined by flow cytometry, as were the intracellular levels of cytokines in CD8+CD45RA+CD95+ and CD8+CD45RO+CD95+ T cells.

The researchers found that compared to the NTD and HC groups, the TD group had a higher percentage of CD8+CD45RO+CD95+ T cells, which correlated with the choroid plexus volume in the TD group. Associations were seen for the intracellular level of interferon-γ in CD8+CD45RO+CD95+ T cells, the fractional anisotropy (FA) of the fornix/stria terminalis, and the pallidum volume with orofacial TD, while correlations were seen for the fractional anisotropies of the inferior fronto-occipital fasciculus, cingulum, and superior longitudinal fasciculus with limb-truncal TD.

"These findings provide preliminary evidence that the association between immunosenescence-related T cell subpopulations and brain structure may underline the pathological process of TD," the authors write.

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Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.

Source: HealthDay

Posted : 2024-07-26 03:15

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