Supplementary Data for "Microbiome-Directed Therapies Enhance the SCFA–Treg–Barrier Axis in Rheumatoid Arthritis"

This dataset contains the complete supplementary material accompanying the systematic review “Microbiome-Directed Therapies Enhance the SCFA–Treg–Barrier Axis in Rheumatoid Arthritis” submitted to Rheumatology (Oxford). It includes:• Appendix S1 – Full Search Strategy (PubMed, Embase, Cochrane CENTRAL)• Appendix S2 – Excluded Studies with Reasons• Appendix S3 – Included Studies (Verified Dataset, 80 publications = 81 records)• Figures 1–2 (PRISMA flow, Risk-of-Bias summary, Mechanistic schematic) All files are provided in their original formats (XLSX and PNG). The dataset supports reproducibility and transparency under PRISMA 2020. Authors: Akram Jalal and Len HartyLicense: CC BY 4.0Correspondence: [e-mail]