2026-10-13T19:41:10Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33949537 2026-09-21T05:28:15Z category_15 portal_316 item_type_3 month_year_09_2026

Supplementary file 1_Burden-dependent associations of serum sTREM2 with white matter injury and cognitive heterogeneity in cerebral small vessel disease.docx Qiuju Gong (20561213) Xianfeng Yu (13808908) Shujian Chen (2476078) Ke Wan (724845) Zhiqiang Wang (48987) Bo Tian (625365) Xiaoqun Zhu (764023) Xia Zhou (291729) Zhongwu Sun (764024) Neuroscience cerebral small vessel disease cognitive impairment diffusion MRI microglia neuroinflammation soluble TREM2 white matter hyperintensities Objective<p>Cognitive outcomes vary among individuals with cerebral small vessel disease (CSVD), and conventional imaging markers may not fully explain this heterogeneity. Soluble triggering receptor expressed on myeloid cells 2 (sTREM2) is involved in TREM2-related myeloid responses, but the clinical significance of circulating sTREM2 in CSVD remains uncertain. We investigated the associations of serum sTREM2 with CSVD burden, white matter injury, and cognitive performance across different disease burdens.</p>Methods<p>Serum sTREM2 levels were measured in 171 participants, including healthy controls and individuals with low- or high-burden CSVD. Associations between serum sTREM2 and total CSVD burden, individual imaging markers, white matter hyperintensity (WMH) volume, diffusion MRI measures, and cognitive performance were examined using multivariable regression models, tract-based spatial statistics, and burden-stratified analyses.</p>Results<p>Serum sTREM2 levels increased across the CSVD burden spectrum and were associated with WMH volume, whereas no significant associations were observed with lacunes, cerebral microbleeds, or enlarged perivascular spaces. Higher serum sTREM2 was associated with widespread increases in mean diffusivity across major white matter tracts, while fractional anisotropy abnormalities were limited. The association between serum sTREM2 and Montreal Cognitive Assessment (MoCA) performance differed according to CSVD burden (interaction β = 0.462, HC3 P = 0.027), with a positive burden-stratified association observed in high-burden CSVD. Interpretation: Serum sTREM2 exhibited a white matter–predominant association pattern across the CSVD spectrum, and its relationship with cognitive performance varied according to disease burden. These findings suggest that circulating sTREM2 may provide additional information regarding biological heterogeneity in CSVD, although its cellular origin and longitudinal significance require further investigation.</p> 2026-09-21T05:28:15Z Dataset Dataset 10.3389/fnagi.2026.1937413.s001 https://figshare.com/articles/dataset/Supplementary_file_1_Burden-dependent_associations_of_serum_sTREM2_with_white_matter_injury_and_cognitive_heterogeneity_in_cerebral_small_vessel_disease_docx/33949537 CC BY 4.0