The Study
Absolute reduction in peripheral regulatory T cells in patients with Graves' disease and post-treatment recovery.
This study looked at blood cells in people with Graves' disease and compared them to healthy people. It found that people with the disease tend to have fewer Treg cells, but it doesn't prove that the low Treg cells caused the disease — they might just be a side effect.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
This study looked at immune cells in people with Graves' disease — a condition where the thyroid goes into overdrive — and found they have fewer 'peacekeeper' immune cells (Tregs) that normally stop the body from attacking itself.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 535 / 100
Quality score
Snapshots of a population at a single point in time, or descriptions of small groups. Can identify correlations and prevalence, but cannot determine cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — fewer peacekeeper cells may mean the immune system is more likely to keep attacking the thyroid, and this might explain why some symptoms like eye swelling or weight loss are worse.
- 2People with Graves' disease had about 11.6 Treg cells per microliter of blood, while healthy people had more.
- 3Those with bulging eyes had even fewer (9.96), and those losing weight had slightly higher but still low counts (11.97).
- 4After treatment, Treg numbers went up a bit, but their proportion stayed the same.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Molecular immunology
Year
2022
Authors
Hai-Yan Liu, Zhi-yong Shi, D. Fan, Sheng-Xiao Zhang, Li-xiang Wu, K. Lu, Su-Yun Yang, Wan Li, Jing Kang, Cai-hong Li, Zhe Cheng, Y. Xue, Zhiyong Wu, Xiao-feng Li, Si-jin Li
Related Content
Claims (6)
After treatment for Graves' disease, some patients permanently need thyroid hormone medication, while others regain normal thyroid function and no longer need medication.
Patients with Graves' disease who have eye bulging have lower levels of regulatory T cells in their blood compared to those without eye bulging.
In people with Graves' disease, antithyroid drugs increase the total number of regulatory T cells but do not change the proportion of these cells among all T cells.
People with Graves' disease have a higher proportion of Th17 cells relative to Treg cells compared to people without the disease.
People with Graves' disease have fewer regulatory T cells in their blood than people without the disease, and the level of these cells is linked to the presence of the disease.
In people with Graves' disease, those who lose weight have lower counts of regulatory T cells in their blood compared to those who do not lose weight.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.