CXCR3 and Gerstmann syndrome: Tfh17 cell percentages and Th1/Th2/Th17 cytokine profiles showed no significant alterations.<h4>Conclusion</h4>Our findings reveal, for the first time, a pronounced decrease in circulating CXCR3+ Tfh1 cells in GS patients, suggesting a potential role for this specific immune imbalance in the disease's immunopathogenesis.